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* config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
2
3         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
4         when processing flag options.
5
6 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
7
8         * gcov-iov.c (main): Change format string placeholder
9         from %#08x to 0x%08x.
10         * genchecksum.c (dosum): Change format string placeholder
11         from %#02x to 0x%02x.
12
13 2010-05-02  Richard Guenther  <rguenther@suse.de>
14
15         PR tree-optimization/43879
16         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
17
18 2010-05-02  Bruno Haible  <bruno@clisp.org>
19
20         * doc/extend.texi (Function Attributes): Fix a typo.
21
22 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
23
24         Revert:
25         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
26         placeholder from 0x%x to %#x.
27         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
28         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
29         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
30         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
31         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
32         * config/i386/i386.c (ix86_target_string): Ditto.
33         * config/i386/i386.c (output_pic_addr_const): Ditto.
34         (print_operand): Ditto.
35
36 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
37
38         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
39         placeholder from 0x%x to %#x.
40         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
41         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
42         (ASM_OUTPUT_DEBUG_DATA): Ditto.
43         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
44         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
45         * optc-gen.awk: Ditto.
46         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
47         (HOST_WIDE_INT_PRINT_HEX): Ditto.
48         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
49         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
50
51 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
52
53         * target.h (struct calls): Add function_value_regno_p field.
54         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
55         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
56         * targhooks.c (default_function_value_regno_p): New function.
57         * targhooks.h (default_function_value_regno_p): Declare function.
58         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
59         * builtins.c. (apply_result_size): (Ditto.).
60         * combine.c. (likely_spilled_retval_p): (Ditto.).
61         * mode-switching.c. Include 'target.h'.
62         (create_pre_exit): Use function_value_regno_p hook.
63         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
64         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
65         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
66
67         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
68         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
69         (ix86_function_value_regno_p): Declare as static, change argument
70         type to const unsigned int.
71         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
72
73 2010-05-01  Richard Guenther  <rguenther@suse.de>
74
75         PR tree-optimization/43949
76         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
77         types.
78         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
79
80 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
81
82         * rtl.h (CONST_DOUBLE_P): Define.
83         (rtx_to_double_int): Declare.
84         * emit-rtl.c (rtx_to_double_int): New function.
85         * dwarf2out.c (insert_double): New function.
86         (loc_descriptor, add_const_value_attribute): Clean up, use
87         rtx_to_double_int and insert_double functions.
88
89 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
90
91         * doc/extend.texi (Inline): Add missing return keyword to examples.
92         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
93         "command-line".
94
95 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
96
97         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
98         the variable part of the offset as well.  Use highest_pow2_factor for
99         all alignment checks.
100
101 2010-04-30  Richard Guenther  <rguenther@suse.de>
102
103         PR tree-optimization/43879
104         * tree-ssa-structalias.c (type_could_have_pointers): Functions
105         can have pointers.
106
107 2010-04-30  Jan Hubicka  <jh@suse.cz>
108
109         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
110         varpool.
111         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
112
113 2010-04-30  Jan Hubicka  <jh@suse.cz>
114
115         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
116         New.
117         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
118         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
119         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
120         cgraph_node_set_needs_ltrans_p): Remove.
121
122 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
123
124         * sdbout.c: Include vec.h, do not include varray.h.
125         (deferred_global_decls, sdbout_global_decl,
126         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
127         * toplev.c: Do not include varray.h.
128         (dump_memory_report): Do not dump VARRAY statistics.
129         * gengtype.c (open_base_file): Ignore varray.h.
130         * Makefile.in: Update for abovementioned changes.
131         Remove all traces of varray.c and varray.h.
132         * varray.c: Remove file.
133         * varray.h: Remove file.
134
135 2010-04-30  Jan Hubicka  <jh@suse.cz>
136
137         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
138         references.
139
140 2010-04-30  Jan Hubicka  <jh@suse.cz>
141
142         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
143         needed.
144
145 2010-04-30  Richard Guenther  <rguenther@suse.de>
146
147         * tree-ssa-structalias.c (get_constraint_for_1): Generate
148         constraints for CONSTRUCTOR.
149
150 2010-04-30  Richard Guenther  <rguenther@suse.de>
151
152         PR lto/43946
153         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
154         first after all lowering passes.
155
156 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
157
158         * toplev.c: Include varray.h for statistics dumping.
159         * tree.h: Do not declare varray_head_tag.
160         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
161         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
162         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
163         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
164         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
165         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
166         c-common.c, c-common.h, reg-stack.c, basic-block.h,
167         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
168         include varray.h.
169         * Makefile.in: Update for abovementioned changes.
170
171 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
172
173         PR debug/43942
174         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
175
176 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
177
178         * config/picochip/picochip.c (picochip_legitimize_address): Define.
179         Use this function to do machine-specific conversion.
180         (picochip_legitimize_reload_address): Likewise.
181         (picochip_legitimate_address_p): Check valid base register only if
182         strict.
183         (picochip_check_conditional_copy): Check for modw only if opnd is
184         register.
185         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
186         to call the function in c.
187         * config/picochip/picochip-protos.h
188         (picochip_legitimize_reload_address): Define.
189         * config/picochip/picochip.md (supported_compare1): Define.
190
191 2010-04-30  Jan Hubicka  <jh@suse.cz>
192
193         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
194         (cgraph_global_info): Remove inlined.
195         (LTO_cgraph_tag_names): Remove.
196         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
197         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
198         simplify cgraph tags and document.
199         (lto_output_node): Use only LTO_cgraph_unavail_node and
200         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
201         for_functions_valid, global info, process and output flags.
202         (input_overwrite_node): Initialize estimated stack size and
203         estimated growth.  Do not read flags we no longer store.
204         (input_node): Likewise do not read info no longer stored.
205         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
206         flag.
207
208 2010-04-30  Richard Guenther  <rguenther@suse.de>
209
210         PR tree-optimization/43879
211         * tree-ssa-structalias.c (get_constraint_for_1): Properly
212         handle non-zero initializers.
213
214 2010-04-30  Richard Guenther  <rguenther@suse.de>
215
216         * builtins.c (fold_builtin_1): Delete free (0).
217
218 2010-04-29  Jan Hubicka  <jh@suse.cz>
219
220         * gengtype.c (open_base_files): Add lto-streamer.h
221         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
222         (pass_ipa_cp): GGC collect.
223         * toplev. (compile_file): Do not output symbols.
224         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
225         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
226         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
227         * lto-section-in.c: Include ggc.h
228         (lto_new_in_decl_state): Alloc in GGC.
229         (lto_delete_in_decl_state): Likewise.
230         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
231         Collect.
232
233 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
234
235         PR target/42895
236         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
237         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
238         (HONOR_REG_ALLOC_ORDER): Describe new macro.
239         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
240         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
241         account only if HONOR_REG_ALLOC_ORDER is not defined.
242         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
243         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
244
245 2010-04-29  Jon Grant  <04@jguk.org>
246
247         * collect2.c (vflag): Change type from int to bool.
248         (debug): Likewise.
249         (helpflag): New global bool.
250         (main): Set vflag and debug with boolean, not integer truth values.
251         Accept new "--help" option and output usage text if found.
252         * collect2.h (vflag): Update prototype.
253         (debug): Likewise.
254
255 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
256
257         PR bootstrap/43936
258         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
259
260 2010-04-29  Richard Guenther  <rguenther@suse.de>
261
262         PR bootstrap/43935
263         * plugin.h (invoke_plugin_callbacks): Annotate arguments
264         with ATTRIBUTE_UNUSED.
265
266 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
267
268         PR target/43921
269         * config/i386/i386.c (get_some_local_dynamic_name): Replace
270         INSN_P with NONDEBUG_INSN_P.
271         (distance_non_agu_define): Likewise.
272         (distance_agu_use): Likewise.
273
274 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
275
276         From Dominique d'Humieres <dominiq@lps.ens.fr>
277         PR bootstrap/43858
278         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
279         test_set.
280
281 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
282
283         * plugin.h (invoke_plugin_callbacks): New inline function.
284         * plugin.c (flag_plugin_added): New global flag.
285         (add_new_plugin): Initialize above flag.
286         (invoke_plugin_callbacks): Rename to ...
287         (invoke_plugin_callbacks_full): ... this.
288
289 2010-04-28  Jan Hubicka  <jh@suse.cz>
290
291         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
292         (lto_varpool_replace_node): New.
293         (lto_symtab_resolve_symbols): Resolve varpool nodes.
294         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
295         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
296         * cgraph.h (varpool_node_ptr): New type.
297         (varpool_node_ptr): New vector.
298         (varpool_node_set_def): New structure.
299         (varpool_node_set): New type.
300         (varpool_node_set): New vector.
301         (varpool_node_set_element_def): New structure.
302         (varpool_node_set_element, const_varpool_node_set_element): New types.
303         (varpool_node_set_iterator): New type.
304         (varpool_node): Add prev pointers, add used_from_other_partition,
305         in_other_partition.
306         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
307         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
308         varpool_get_node, varpool_remove_node): Declare.
309         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
310         varpool_node_set_size): New inlines.
311         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
312         * tree-pass.h (varpool_node_set_def): Forward declare.
313         (ipa_opt_pass_d): Summary writting takes vnode sets too.
314         (ipa_write_optimization_summaries): Update prototype.
315         * ipa-cp.c (ipcp_write_summary): Update.
316         * ipa-reference.c (ipa_reference_write_summary): Update.
317         * lto-cgraph.c (lto_output_varpool_node): New static function.
318         (output_varpool): New function.
319         (input_varpool_node): New static function.
320         (input_varpool_1): New function.
321         (input_cgraph): Input varpool.
322         * ipa-pure-const.c (pure_const_write_summary): Update.
323         * lto-streamer-out.c (lto_output): Update, output varpool too.
324         (write_global_stream): Kill WPA hack.
325         (produce_asm_for_decls): Update.
326         (output_alias_pair_p): Handle variables.
327         (output_unreferenced_globals): Output only needed partition of varpool.
328         * ipa-inline.c (inline_write_summary): Update.
329         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
330         cgraph.
331         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
332         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
333         varpool_node_set_new, varpool_node_set_add,
334         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
335         debug_varpool_node_set): New functions.
336         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
337         (execute_one_pass): Process new decls too.
338         (ipa_write_summaries_2): Pass around vsets.
339         (ipa_write_summaries_1): Likewise.
340         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
341         to add.
342         (ipa_write_optimization_summaries_1): Pass around vsets.
343         (ipa_write_optimization_summaries): Likewise.
344         * varpool.c (varpool_get_node): New.
345         (varpool_node): Update doubly linked lists.
346         (varpool_remove_node): New.
347         (dump_varpool_node): More dumping.
348         (varpool_enqueue_needed_node): Update doubly linked lists.
349         (decide_is_variable_needed): Kill ltrans hack.
350         (varpool_finalize_decl): Kill lto hack.
351         (varpool_assemble_decl): Skip decls in other partitions.
352         (varpool_assemble_pending_decls): Update doubly linkes lists.
353         (varpool_empty_needed_queue): Likewise.
354         (varpool_extra_name_alias): Likewise.
355         * lto-streamer.c (lto_get_section_name): Add vars section.
356         * lto-streamer.h (lto_section_type): Update.
357         (output_varpool, input_varpool): Declare.
358
359 2010-04-28  Mike Stump  <mikestump@comcast.net>
360
361         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
362
363 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
364
365         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
366         record or union type with RECORD_OR_UNION_TYPE_P predicate.
367         (lto_input_ts_type_tree_pointers): Likewise.
368         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
369         (lto_output_ts_type_tree_pointers): Likewise.
370
371 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
372
373         Uniquization of constants at the Tree level
374         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
375         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
376         bit to the end.
377         (tree_output_constant_def): Declare.
378         * gimplify.c (gimplify_init_constructor): When using block copy, first
379         uniquize the constant constructor on the RHS.
380         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
381         DECL_IN_CONSTANT_POOL flag.
382         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
383         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
384         constant pool.
385         (assemble_variable): Deal with symbols belonging to the tree constant
386         pool.
387         (get_constant_section): Add ALIGN parameter and simplify.
388         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
389         (assemble_constant_contents): Use the expression of the VAR_DECL.
390         (output_constant_def_contents): Use the alignment of the VAR_DECL.
391         (tree_output_constant_def): New global function.
392         (mark_constant): Use the expression of the VAR_DECL.
393         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
394         its expression.
395         (output_object_block): Likewise and assemble the expression.
396
397 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
398
399         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
400         hash_tree, eq_tree): New tree hash table.
401         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
402         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
403         lto_orig_address_remove): Reimplement.
404
405 2010-04-28  Xinliang David Li  <davidxl@google.com>
406
407         PR c/42643
408         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
409         (compute_uninit_opnds_pos): New function.
410         (is_non_loop_exit_postdominating): New function.
411         (compute_control_dep_chain): New function.
412         (find_pdom): New function.
413         (convert_control_dep_chain_into_preds): New function.
414         (find_predicates): New function.
415         (find_control_equiv_block): New function.
416         (collect_phi_def_edges): New function.
417         (find_def_preds): New function.
418         (find_dom): New function.
419         (dump_predicates): New function.
420         (get_cmp_code): New function.
421         (is_value_included_in): New function.
422         (find_matching_predicate_in_rest_chains): New function.
423         (use_pred_not_overlap_with_undef_path_pred): New function.
424         (is_use_properly_guarded): New function.
425         (normalize_cond_1): New function.
426         (is_and_or_or): New function.
427         (normalize_cond): New function.
428         (is_gcond_subset_of): New function.
429         (is_subset_of_any): New function.
430         (is_or_set_subset_of): New function.
431         (is_and_set_subset_of): New function.
432         (is_norm_cond_subset_of): New function.
433         (is_pred_expr_subset_of): New function.
434         (is_pred_chain_subset_of): New function.
435         (is_included_in): New function.
436         (is_superset_of): New function.
437         (find_uninit_use): New function.
438         (warn_uninitialized_phi): New function.
439         (compute_possibly_undefined_names): New function.
440         (ssa_undefined_value_p): New function.
441         (execute_late_warn_uninitialized): New function.
442         * tree-ssa.c (ssa_undefined_value_p): Removed.
443         (warn_uninit): Changed to extern.
444         (warn_uninitialized_phi): Removed.
445         (warn_uninitialized_vars): Changed to extern.
446         (execute_late_warn_uninitialized): Removed
447         * tree-flow.h: Add new prototypes.
448         * timevar.def: Add new time variable.
449         * Makefile.in: Add new build file.
450
451 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
452
453         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
454         type if available.
455
456 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
457
458         PR target/22224
459         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
460
461 2010-04-28  Martin Jambor  <mjambor@suse.cz>
462
463         * cgraph.h (struct cgraph_node): New field indirect_calls.
464         (struct cgraph_indirect_call_info): New type.
465         (struct cgraph_edge): Removed field indirect_call. New fields
466         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
467         (cgraph_create_indirect_edge): Declare.
468         (cgraph_make_edge_direct): Likewise.
469         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
470         * ipa-prop.h (struct ipa_param_call_note): Removed.
471         (struct ipa_node_params): Removed field param_calls.
472         (ipa_create_all_structures_for_iinln): Declare.
473         * cgraph.c: Described indirect edges and uids in initial comment.
474         (cgraph_add_edge_to_call_site_hash): New function.
475         (cgraph_edge): Search also among the indirect edges, use
476         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
477         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
478         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
479         site hash.
480         (initialize_inline_failed): Assign a reason to indirect edges.
481         (cgraph_create_edge_1): New function.
482         (cgraph_create_edge): Moved some functionality to
483         cgraph_create_edge_1.
484         (cgraph_create_indirect_edge): New function.
485         (cgraph_edge_remove_callee): Add an assert checking for
486         non-indirectness.
487         (cgraph_edge_remove_caller): Special-case indirect edges.
488         (cgraph_remove_edge): Likewise.
489         (cgraph_set_edge_callee): New function.
490         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
491         (cgraph_make_edge_direct): New function.
492         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
493         the declaration of the call statement matches.
494         (cgraph_node_remove_callees): Special-case indirect edges.
495         (cgraph_clone_edge): Likewise.
496         (cgraph_clone_node): Clone also the indirect edges.
497         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
498         indirect_call, dump count of indirect_calls edges.
499         * ipa-prop.c (iinlining_processed_edges): New variable.
500         (ipa_note_param_call): Create indirect edges instead of
501         creating notes.  New parameter node.
502         (ipa_analyze_call_uses): New parameter node, pass it on to
503         ipa_note_param_call.
504         (ipa_analyze_stmt_uses): Likewise.
505         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
506         (print_edge_addition_message): Work on edges rather than on notes.
507         (update_call_notes_after_inlining): Likewise, renamed to
508         update_indirect_edges_after_inlining.
509         (ipa_create_all_structures_for_iinln): New function.
510         (ipa_free_node_params_substructures): Do not free notes.
511         (ipa_edge_duplication_hook): Propagate bits within
512         iinlining_processed_edges bitmap.
513         (ipa_node_duplication_hook): Do not duplicate notes.
514         (free_all_ipa_structures_after_ipa_cp): Renamed to
515         ipa_free_all_structures_after_ipa_cp.
516         (free_all_ipa_structures_after_iinln): Renamed to
517         ipa_free_all_structures_after_iinln.g
518         (ipa_write_param_call_note): Removed.
519         (ipa_read_param_call_note): Removed.
520         (ipa_write_indirect_edge_info): New function.
521         (ipa_read_indirect_edge_info): Likewise.
522         (ipa_write_node_info): Do not stream notes, do stream information
523         in indirect edges.
524         (ipa_read_node_info): Likewise.
525         (lto_ipa_fixup_call_notes): Removed.
526         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
527         * ipa-inline.c (pass_ipa_inline): Likewise.
528         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
529         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
530         * tree-inline.c (copy_bb): Removed an unnecessary double check for
531         is_gimple_call.
532         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
533         edges.
534         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
535         (output_cgraph): Stream also indirect edges.
536         (lto_output_edge): Added capability to stream indirect edges.
537         (input_edge): Likewise.
538         (input_cgraph_1): Likewise.
539         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
540         of indirect edges.
541
542 2010-04-28  Richard Guenther  <rguenther@suse.de>
543
544         PR tree-optimization/43879
545         PR tree-optimization/43909
546         * tree-ssa-structalias.c (struct variable_info): Add
547         only_restrict_pointers flag.
548         (new_var_info): Initialize it.  Increment stats.total_vars here.
549         (create_function_info_for): Do not increment stats.total_vars
550         here.
551         (get_function_part_constraint): Fix build with C++.
552         (insert_into_field_list): Remove.
553         (push_fields_onto_fieldstack): Properly merge fields.
554         (create_variable_info_for): Split and simplify.
555         (create_variable_info_for_1): New piece.
556         (intra_create_variable_infos): Properly make restrict constraints
557         from parameters.
558
559 2010-04-28  Richard Guenther  <rguenther@suse.de>
560
561         PR c++/43880
562         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
563
564 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
565             Jan Hubicka <hubicka@ucw.cz>
566
567         * doc/invoke.texi (-Wsuggest-attribute=const,
568         -Wsuggest-attribute=pure): Document.
569         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
570         (function_always_visible_to_compiler_p,
571         suggest_attribute, warn_function_pure, warn_function_const):
572         New functions.
573         (check_call): Improve debug info.
574         (analyze_function): Do not check availability.
575         (add_new_function): Check availability.
576         (propagate): Output warnings.
577         (skip_function_for_local_pure_const): New function.
578         (local_pure_const): Use it; output warnings.
579         * common.opt (Wsuggest-attribute=const,
580         Wsuggest-attribute=pure): New.
581
582 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
583
584         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
585         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
586         or DW_CFA_def_cfa_offset{,_sf}.
587
588 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
589
590         * tree.h: Fix truncated long macros.
591
592 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
593
594         * collect2.c (TARGET_64BIT): Redefine to target's default.
595         * tlink.c: Likewise.
596         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
597         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
598         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
599         for underscoring __USER_LABEL_PREFIX__.
600         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
601         (SUB_LINK_ENTRY32): New.
602         (SUB_LINK_ENTRY64): New.
603         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
604         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
605         (SUB_LINK_ENTRY64): New.
606         (SUB_LINK_ENTRY): New.
607         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
608         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
609         x64 target is choosen.
610         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
611         * configure: Regenerated.
612         * configure.ac (leading-mingw64-underscores): Option added.
613
614 2010-04-27  Jan Hubicka  <jh@suse.cz>
615
616         * doc/invoke.texi (-fipa-profile): Document.
617         * opts.c (decode_options): Enable ipa-profile at -O1.
618         * timevar.def (TV_IPA_PROFILE): Define.
619         * common.opt (fipa-profile): Add.
620         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
621         flag for clones.
622         (cgraph_propagate_frequency): Handle only local ones.
623         * tree-pass.h (pass_ipa_profile): Declare.
624         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
625         (pass_ipa_profile): Use TV_IPA_PROFILE.
626         * ipa.c (ipa_profile): New function.
627         (gate_ipa_profile): Likewise.
628         (pass_ipa_profile): New global variable.
629         * passes.c (pass_ipa_profile): New.
630
631 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
632
633         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
634
635 2010-04-27  Martin Jambor  <mjambor@suse.cz>
636
637         PR middle-end/43812
638         * ipa.c (dissolve_same_comdat_group_list): New function.
639         (function_and_variable_visibility): Call
640         dissolve_same_comdat_group_list when comdat group contains external or
641         newly local nodes.
642         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
643         lists are circular and that they contain only DECL_ONE_ONLY nodes.
644
645 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
646
647         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
648         (const_hash_1) <VECTOR_CST>: New case.
649         (compare_constant) <VECTOR_CST>: Likewise.
650         <ADDR_EXPR>: Deal with LABEL_REFs.
651         (copy_constant) <VECTOR_CST>: New case.
652
653 2010-04-27  Jan Hubicka  <jh@suse.cz>
654
655         * cgraph.c (cgraph_propagate_frequency): New function.
656         * cgraph.h (cgraph_propagate_frequency): Declare.
657         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
658         cgraph_propagate_frequency.
659
660 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
661
662         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
663
664 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
665
666         PR target/40657
667         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
668         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
669         here to determine which regs to push and how much stack to reserve.
670
671 2010-04-27  Jie Zhang  <jie@codesourcery.com>
672
673         * doc/gimple.texi (gimple_statement_with_ops): Remove
674         addresses_taken field.
675         (gimple_statement_with_memory_ops): Likewise.
676
677 2010-04-27  Jan Hubicka  <jh@suse.cz>
678
679         * tree-inline.c (eni_inlining_weights): Remove.
680         (estimate_num_insns): Special case more builtins.
681
682 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
683
684         PR c/32207
685         * c-typeck.c (build_binary_op): Move forward check for comparison
686         pointer with null pointer constant and adjust the diagnostic message.
687
688 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
689
690         PR lto/42776
691         * configure.ac (gcc_cv_as_section_has_align): Set if installed
692         binutils supports extended .section directive needed by LTO, or
693         warn if older binutils found.
694         (LTO_BINARY_READER): New AC_SUBST'd variable.
695         (LTO_USE_LIBELF): Likewise.
696         * gcc/config.gcc (lto_binary_reader): New target-specific configure
697         variable.
698         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
699         (LTO_USE_LIBELF): Likewise.
700         * configure: Regenerate.
701
702         * collect2.c (is_elf): Rename from this ...
703         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
704          object files in addition to ELF-formatted ones.
705         (scan_prog_file): Caller updated.  Also allow for LTO info marker
706         symbol to be prefixed or not by an extra underscore.
707
708         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
709         * config/i386/winnt.c: Also #include lto-streamer.h
710         (i386_pe_asm_named_section): Specify 1-byte section alignment for
711         LTO named sections.
712         (i386_pe_asm_output_aligned_decl_common): Add comment.
713         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
714
715 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
716
717         PR target/43889
718         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
719         Add missing earlyclobber for second alternative.
720
721 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
722
723         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
724         bits for artificial defs at the top of the block.
725         * fwprop.c (single_def_use_enter_block): Don't call it.
726
727 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
728
729         PR 43715
730         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
731         instead of "$gcc_cv_objdump -T".
732         Use "-undefined dynamic_lookup" on darwin.
733         * gcc/configure: Regenerate.
734
735 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
736
737         PR c/43893
738         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
739
740 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
741
742         * c-parser.c (struct c_token): Move location field up.
743         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
744         (struct c_declspecs): Convert typespec_word, storage_class, and
745         default_int_p into bitfields.
746         (struct c_declarator): Move loc field up.
747
748 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
749
750         * cfgloop.h (struct loop): Move can_be_parallel field up.
751         * ipa-prop.h (struct ip_node_params): Move bitfields up.
752         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
753         down.
754         (struct iv_cand): Convert pos field into a bitfield.
755         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
756         field up.
757         (struct _stmt_vec_info): Shuffle fields for better packing.
758
759 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
760
761         * varasm.c (IN_NAMED_SECTION): Remove guard.
762         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
763         (IN_NAMED_SECTION_P): ...this.
764         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
765         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
766
767 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
768
769         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
770         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
771         of shadowing it.  Fix comments.
772
773 2010-04-26  Jan Hubicka  <jh@suse.cz>
774
775         * cgraph.c (cgraph_create_node): Set node frequency to normal.
776         (cgraph_clone_node): Copy function frequency.
777         * cgraph.h (node_frequency): New enum
778         (struct cgraph_node): Add.
779         * final.c (rest_of_clean_state): Update.
780         * lto-cgraph.c (lto_output_node): Output node frequency.
781         (input_overwrite_node): Input node frequency.
782         * tre-ssa-loop-ivopts (computation_cost): Update.
783         * lto-streamer-out.c (output_function): Do not output function
784         frequency.
785         * predict.c (maybe_hot_frequency_p): Update and handle functions
786         executed once.
787         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
788         attribute lookup.
789         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
790         (compute_function_frequency): Set noreturn functions to be executed
791         once.
792         (choose_function_section): Update.
793         * lto-streamer-in.c (input_function): Do not input function frequency.
794         * function.c (allocate_struct_function): Do not initialize function
795         frequency.
796         * function.h (function_frequency): Remove.
797         (struct function): Remove function frequency.
798         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
799         (try_update): Update.
800         * tree-inline.c (initialize_cfun): Do not update function frequency.
801         * passes.c (pass_init_dump_file): Update.
802         * i386.c (ix86_compute_frame_layout): Update.
803         (ix86_pad_returns): Update.
804
805 2010-04-26  Jie Zhang  <jie@codesourcery.com>
806
807         PR tree-optimization/43833
808         * tree-vrp.c (range_int_cst_p): New.
809         (range_int_cst_singleton_p): New.
810         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
811         when both operands are constants.  Use range_int_cst_p in
812         BIT_IOR_EXPR case.
813
814 2010-04-26  Jan Hubicka  <jh@suse.cz>
815
816         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
817
818 2010-04-26  Richard Guenther  <rguenther@suse.de>
819
820         PR lto/43080
821         * gimple.c (gimple_decl_printable_name): Deal gracefully
822         with a NULL DECL_NAME.
823
824 2010-04-26  Richard Guenther  <rguenther@suse.de>
825
826         PR lto/42425
827         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
828         if emitting debug information and it is either a function
829         or a namespace decl.
830
831 2010-04-26  Ira Rosen  <irar@il.ibm.com>
832
833         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
834         determine if the statement is vectorizable, and a macro to access it.
835         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
836         Skip statements that can't be vectorized. If the analysis fails,
837         mark the statement as unvectorizable if vectorizing basic block.
838         (vect_compute_data_refs_alignment): Likewise.
839         (vect_verify_datarefs_alignment): Skip statements marked as
840         unvectorizable. Add print.
841         (vect_analyze_group_access): Skip statements that can't be
842         vectorized. If the analysis fails, mark the statement as
843         unvectorizable if vectorizing basic block.
844         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
845         * tree-vect-stmts.c (vectorizable_store): Fix the number of
846         generated stmts for SLP.
847         (new_stmt_vec_info): Initialize the new field.
848         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
849         statements marked as unvectorizable.
850
851 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
852
853         * c-common.c (flag_isoc1x): New.
854         (flag_isoc99): Update comment.
855         * c-common.h (flag_isoc1x): New.
856         (flag_isoc99): Update comment.
857         * c-cppbuiltin.c (builtin_define_float_constants): Also define
858         __<type>_DECIMAL_DIG__.
859         * c-opts.c (set_std_c1x): New.
860         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
861         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
862         * c.opt (-std=c1x, -std=gnu1x): New options.
863         * doc/cpp.texi: Mention -std=c1x.
864         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
865         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
866         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
867         * doc/standards.texi: Mention C1X.
868         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
869         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
870         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
871         Define for C1X.
872
873 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
874
875         * config/i386/gmon-sol2.c (_mcleanup): Change format string
876         placeholder from 0x%x to %#x.
877         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
878         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
879         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
880         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
881         * config/i386/i386.c (ix86_target_string): Ditto.
882         (output_pic_addr_const): Ditto.
883         (print_operand): Ditto.
884
885 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
886
887         * combine.c (find_split_point): Add third argument.  Use it
888         to find nested multiply-accumulate instructions.  Adjust calls.
889         (try_combine): Adjust call to find_split_point.
890
891 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
892
893         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
894
895 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
896
897         PR tree-optimization/41442
898         * fold-const.c (merge_truthop_with_opposite_arm): New function.
899         (fold_binary_loc): Call it.
900
901 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
902
903         * toplev.c (general_init): Set default for fdiagnostics-show-option.
904         * opts.c (common_handle_option): Allow disabling it.
905         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
906
907 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
908
909         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
910         between modes if both types are integral.
911
912 2010-04-23  Richard Guenther  <rguenther@suse.de>
913
914         PR tree-optimization/43572
915         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
916
917 2010-04-23  Richard Guenther  <rguenther@suse.de>
918
919         PR lto/43455
920         * tree-inline.c (tree_can_inline_p): Also check compatibility
921         of return types.
922
923 2010-04-23  Martin Jambor  <mjambor@suse.cz>
924
925         PR tree-optimization/43846
926         * tree-sra.c (struct access): New flag grp_assignment_read.
927         (build_accesses_from_assign): Set grp_assignment_read.
928         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
929         (enum mark_read_status): New type.
930         (analyze_access_subtree): Propagate grp_assignment_read, create
931         accesses also if both direct_read and root->grp_assignment_read.
932
933 2010-04-23  Martin Jambor  <mjambor@suse.cz>
934
935         PR middle-end/43835
936         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
937         function does not have type attributes.
938
939 2010-04-23  Richard Guenther  <rguenther@suse.de>
940
941         PR lto/42653
942         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
943         of FUNCTION_DECLs.
944
945 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
946
947         * sese.h (create_if_region_on_edge): Remove.
948
949         * sese.c (create_if_region_on_edge): Make static.
950
951         * tree-inline.c: Do not include ggc.h.
952
953         * expr.c: Do not include ggc.h.
954
955         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
956         dependencies.
957
958 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
959
960         PR target/43744
961         * config/sh/sh.c (find_barrier): Don't emit a constant pool
962         in the middle of insns for casesi_worker_2.
963
964 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
965
966         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
967
968 2010-04-22  Ira Rosen  <irar@il.ibm.com>
969
970         PR tree-optimization/43842
971         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
972         loop unrolling in update of exit phis. Fix comment.
973         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
974         least two reduction statements in the loop before starting SLP
975         analysis.
976
977 2010-04-22  Nick Clifton  <nickc@redhat.com>
978
979         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
980
981 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
982
983         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
984         to simplify a + ~a.
985
986 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
987
988         * tree-parloops.c (loop_parallel_p): New argument
989         parloop_obstack.  Pass it down.
990         (parallelize_loops): New variable parloop_obstack.  Initialize it,
991         pass it down, free it.
992
993         * tree-loop-linear.c (linear_transform_loops): Pass down
994         lambda_obstack.
995
996         * tree-data-ref.h (lambda_compute_access_matrices): New argument
997         of type struct obstack *.
998
999         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1000         scratch_obstack.  Initialize it, pass down, free it.
1001
1002         * lambda.h (lambda_loop_new): Remove.
1003         (lambda_matrix_new, lambda_matrix_inverse)
1004         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1005         argument of type struct obstack *.
1006
1007         * lambda-trans.c (lambda_trans_matrix_new): New argument
1008         lambda_obstack.  Pass it down, use obstack allocation for ret.
1009         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1010         it down.
1011
1012         * lambda-mat.c (lambda_matrix_get_column)
1013         (lambda_matrix_project_to_null): Remove.
1014         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1015         allocation for mat.
1016         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1017         lambda_obstack.
1018
1019         * lambda-code.c (lambda_loop_new): New function.
1020         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1021         (lambda_compute_auxillary_space, lambda_compute_target_space)
1022         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1023         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1024         (build_access_matrix): New argument lambda_obstack.  Use obstack
1025         allocation for am.
1026         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1027         argument lambda_obstack.  Pass it down.
1028
1029 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1030
1031         * optabs.h (expand_widening_mult): Declare.
1032
1033 2010-04-22  Richard Guenther  <rguenther@suse.de>
1034
1035         PR tree-optimization/43845
1036         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1037         lookup the CALL_EXPR function and arguments.
1038
1039 2010-04-22  Nick Clifton  <nickc@redhat.com>
1040
1041         * config/stormy16/stormy16.c
1042         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1043         * config/stormy16/stormy16.h: Tidy up formatting.
1044         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1045         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1046         (ineqbranchsi): Delete pattern.
1047         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1048         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1049         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1050         stormy16-lib2-ucmpsi2.c.
1051
1052 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1053
1054         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1055         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1056         extra set merge_set_noclobber, and use it to relax the final test
1057         slightly.
1058         * df.h (df_simulate_find_noclobber_defs): Declare.
1059         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1060         conditional defs.
1061         (df_simulate_find_noclobber_defs): New function.
1062
1063 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1064
1065         * config/i386/i386.md: Use {} around multi-line preparation statements.
1066
1067 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1068
1069         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1070         (process_init_element): New argument of type struct obstack *.
1071
1072         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1073         (set_init_index, set_init_label, set_nonincremental_init)
1074         (set_nonincremental_init_from_string, find_init_member)
1075         (output_init_element, output_pending_init_elements)
1076         (process_init_element): New argument braced_init_obstack.  Pass it
1077         down.
1078         (push_range_stack, add_pending_init): New argument
1079         braced_init_obstack.  Use obstack allocation.
1080
1081         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1082         braced_init_obstack.  Pass it down.
1083         (c_parser_braced_init): New variables ret, braced_init_obstack.
1084         Initialize obstack, pass it down and finally free it.
1085
1086 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1087
1088         PR middle-end/29274
1089         * tree-pass.h (pass_optimize_widening_mul): Declare.
1090         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1091         gate_optimize_widening_mul): New static functions.
1092         (pass_optimize_widening_mul): New.
1093         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1094         <case MULT_EXPR>: Remove support for widening multiplies.
1095         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1096         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1097         simplify_gen_unary rather than directly building extensions.
1098         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1099         WIDEN_MULT_EXPR.
1100         * expmed.c (expand_widening_mult): New function.
1101         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1102
1103 2010-04-21  Jan Hubicka  <jh@suse.cz>
1104
1105         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1106         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1107         * lto-wpa-fixup.c: Remove.
1108         * Makefile.in (lto-wpa-fixup.o): Remove.
1109         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1110         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1111         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1112
1113 2010-04-21  Jan Hubicka  <jh@suse.cz>
1114
1115         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1116         add write_optimization_summary, read_optimization_summary.
1117         (ipa_write_summaries_of_cgraph_node_set): Remove.
1118         (ipa_write_optimization_summaries): Declare.
1119         (ipa_read_optimization_summaries): Declare.
1120         * ipa-cp.c (pass_ipa_cp): Update.
1121         * ipa-reference.c (pass_ipa_reference): Update.
1122         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1123         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1124         Update.
1125         * ipa-inline.c (pass_ipa_inline): Update.
1126         * ipa.c (pass_ipa_whole_program): Update.
1127         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1128         * passes.c (ipa_write_summaries_1): Do not test wpa.
1129         (ipa_write_optimization_summaries_1): New.
1130         (ipa_write_optimization_summaries): New.
1131         (ipa_read_summaries): Do not test ltrans.
1132         (ipa_read_optimization_summaries_1): New.
1133         (ipa_read_optimization_summaries): New.
1134
1135 2010-04-21  Jan Hubicka  <jh@suse.cz>
1136
1137         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1138         for boundary nodes.
1139         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1140
1141 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1142
1143         PR debug/40040
1144         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1145         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1146
1147 2010-04-21  Jan Hubicka  <jh@suse.cz>
1148
1149         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1150
1151 2010-04-21  Jan Hubicka  <jh@suse.cz>
1152
1153         * varpool.c (decide_is_variable_needed): Variable is always needed
1154         during ltrans.
1155
1156 2010-04-21  Jan Hubicka  <jh@suse.cz>
1157
1158         * opts.c (decode_options): Enable pure-const pass for whopr.
1159
1160 2010-04-21  Jan Hubicka  <jh@suse.cz>
1161
1162         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1163         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1164         at WPA dumping.
1165         (cgraph_decide_inlining): Do not expect callee to be removed in all
1166         cases.
1167
1168 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1169
1170         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1171
1172 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1173
1174         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1175         amdfam10_decode attributes.
1176
1177 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1178
1179         PR middle-end/43570
1180         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1181         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1182         (lower_copyprivate_clauses): Use private var in outer
1183         context instead of original var.  Make sure the types
1184         are correct for VLAs.
1185
1186 2010-04-21  Richard Guenther  <rguenther@suse.de>
1187
1188         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1189         to non-pointer objects.
1190
1191 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1192
1193         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1194         last chain entry if it starts with the still current label.
1195         (add_location_or_const_value_attribute): Check that
1196         loc_list->first->next is NULL instead of comparing ->first with ->last.
1197         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1198         to add_var_loc_to_decl.
1199
1200         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1201         >= 4 add also address size and segment size fields into CIE header.
1202
1203         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1204         long as address size is the same as sizeof (void *) and
1205         segment size is 0.
1206         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1207         address size or segment size is unexpected, return DW_EH_PE_omit.
1208         (classify_object_over_fdes): If get_cie_encoding returned
1209         DW_EH_PE_omit, return -1.
1210         (init_object): If classify_object_over_fdes returned -1,
1211         pretend there were no FDEs at all.
1212
1213 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1214
1215         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1216         bswap{si,di}2 using SWI48 mode iterator.
1217         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1218         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1219         set modrm attribute of bswap insn to 0 and remove length attribute.
1220         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1221         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1222         set mode attribute to <MODE> and remove length attribute.
1223
1224 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1225
1226         PR rtl-optimization/43520
1227         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1228         zero available registers.
1229
1230 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1231
1232         * builtins.c (fold_builtin_cproj): Fold more cases.
1233
1234 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1235
1236         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1237         (fold_builtin_1): Fold builtin cproj.
1238         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1239         Use ATTR_CONST_NOTHROW_LIST.
1240
1241 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1242
1243         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1244         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1245         ffsi2_no_cmove for !TARGET_CMOVE.
1246         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1247         (ffssi2): Remove expander.
1248         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1249         mode iterator.
1250         (ctz<mode>2): Ditto from ctz{si,di}2.
1251         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1252         mode iterator.
1253         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1254         mode iterator.
1255
1256 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1257
1258         * dwarf2out.c (AT_linkage_name): Define.
1259         (clone_as_declaration): Handle DW_AT_linkage_name.
1260         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1261         of DW_AT_MIPS_linkage_name.
1262         (move_linkage_attr): Likewise.
1263         (dwarf2out_finish): Likewise.
1264
1265 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1266
1267         PR middle-end/41952
1268         * fold-const.c (fold_comparison): New folding rule.
1269
1270 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1271
1272         * double-int.h (double_int_setbit): Declare.
1273         * double-int.c (double_int_setbit): New function.
1274         * rtl.h (immed_double_int_const): Declare.
1275         * emit-rtl.c (immed_double_int_const): New function.
1276         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1277         and immed_double_int_const functions.
1278         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1279         expand_copysign_bit):  (Ditto.).
1280         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1281         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1282         * dojump.c (prefer_and_bit_test): (Ditto.).
1283         * expr.c (convert_modes, reduce_to_bit_field_precision,
1284         const_vector_from_tree): (Ditto.).
1285         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1286
1287 2010-04-20  Jan Hubicka  <jh@suse.cz>
1288
1289         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1290         (dump_cgraph_node): Dump new flags.
1291         * cgraph.h (struct cgraph_node): Add flags
1292         reachable_from_other_partition and in_other_partition.
1293         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1294         other partition can not be removed.
1295         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1296         the other partition must be output; silence sanity checking on
1297         leaking functions bodies from other paritition.
1298         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1299         (lto_output_node): Output new flags; do not sanity check that inline
1300         clones are output; drop lto_forced_extern_inline_p code; do not mock
1301         visibility flags at partition boundaries.
1302         (add_node_to): New function.
1303         (output_cgraph): Use it to sort functions so masters appear before
1304         clones.
1305         (input_overwrite_node): Input new flags.
1306         * passes.c (ipa_write_summaries): Do not call
1307         lto_new_extern_inline_states.
1308         * lto-section-out.c (forced_extern_inline,
1309         lto_new_extern_inline_states lto_delete_extern_inline_states,
1310         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1311         * lto-streamer.h (lto_new_extern_inline_states,
1312         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1313         lto_forced_extern_inline_p): Kill.
1314
1315 2010-04-20  Richard Guenther  <rguenther@suse.de>
1316
1317         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1318         from vars that can have pointers.
1319         (process_constraint): Dump useless constraints.
1320
1321 2010-04-20  Richard Guenther  <rguenther@suse.de>
1322
1323         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1324         (dump_sa_points_to_info): Remove asserts.
1325         (init_base_vars): nothing_id isn't an escape point nor does it
1326         have pointers.
1327
1328 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1329
1330         * tree.h (TYPE_REF_IS_RVALUE): Define.
1331         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1332         should_move_die_to_comdat, prune_unused_types_walk): Handle
1333         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1334         (modified_type_die, gen_reference_type_die): Emit
1335         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1336         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1337
1338 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1339
1340         PR target/43635
1341         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1342         calls for -fpic -m31 if they have been sibcall optimized.
1343
1344 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1345
1346         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1347         ar.lc fixed and call-used.
1348
1349         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1350
1351 2010-04-19  Jan Hubicka  <jh@suse.cz>
1352
1353         * opts.c (decode_options): Disable whpr incompatible passes.
1354         * lto/lto.c (lto_1_to_1_map): Skip clones.
1355         (read_cgraph_and_symbols): Do not mark everything as needed.
1356         (do_whole_program_analysis): Do map only after optimizing;
1357         set proper cgraph_state; use passmanager.
1358
1359 2010-04-19  DJ Delorie  <dj@redhat.com>
1360
1361         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1362         POINTER_PLUS_EXPR and fix them.
1363
1364 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1365
1366         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1367         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1368         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1369         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1370         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1371         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1372         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1373         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1374         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1375         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1376         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1377
1378 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1379
1380         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1381         (check_cond_move_block): Likewise.
1382         (cond_move_process_if_block): Likewise.
1383         (noce_find_if_block): Improve formatting.
1384         (find_if_header): Pass 0 to memset and tweak conditions.
1385         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1386
1387 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1388
1389         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1390         for -gdwarf-4.
1391
1392         PR middle-end/43337
1393         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1394         with non-local decl doesn't need chain.
1395
1396 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1397
1398         * ira-color.c (allocno_reload_assign): Avoid accumulating
1399         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1400
1401 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1402
1403         * gimple.h (create_tmp_reg): Declare.
1404         * gimplify.c (create_tmp_reg): New function.
1405         (gimplify_return_expr): Use create_tmp_reg.
1406         (gimplify_omp_atomic): Likewise.
1407         (gimple_regimplify_operands): Likewise.
1408         * tree-dfa.c (make_rename_temp): Likewise.
1409         * tree-predcom.c (predcom_tmp_var): Likewise.
1410         (reassociate_to_the_same_stmt): Likewise.
1411         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1412         (get_replaced_param_substitute): Likewise.
1413         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1414         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1415         * tree-ssa-pre.c (get_representative_for): Likewise.
1416         (create_expression_by_pieces): Likewise.
1417         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1418         (create_tailcall_accumulator): Likewise.
1419
1420 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1421
1422         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1423         new_stmt.
1424         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1425
1426 2010-04-19  Richard Guenther  <rguenther@suse.de>
1427
1428         PR tree-optimization/43796
1429         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1430         from SCEV in the lattice.
1431         (vrp_visit_phi_node): Dump change.
1432
1433 2010-04-19  Richard Guenther  <rguenther@suse.de>
1434
1435         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1436         * configure: Re-generated.
1437
1438 2010-04-19  Richard Guenther  <rguenther@suse.de>
1439
1440         PR tree-optimization/43783
1441         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1442         constant ARRAY_REF operands two and three if possible.
1443
1444 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1445
1446         PR target/43766
1447         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1448
1449 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1450
1451         PR target/43662
1452         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1453
1454 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1455
1456         PR tree-optimization/37027
1457         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1458         and macro to access it.
1459         (vectorizable_reduction): Add argument.
1460         (vect_get_slp_defs): Likewise.
1461         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1462         statements for possible use in SLP.
1463         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1464         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1465         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1466         add new argument.
1467         (vectorizable_reduction): Likewise.
1468         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1469         vect_get_slp_defs.
1470         (vectorizable_type_demotion, vectorizable_type_promotion,
1471         vectorizable_store): Likewise.
1472         (vect_analyze_stmt): Update call to vectorizable_reduction.
1473         (vect_transform_stmt): Likewise.
1474         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1475         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1476         from different interleaving chains in same node.
1477         (vect_slp_rearrange_stmts): New function.
1478         (vect_supported_load_permutation_p): Allow load permutations for
1479         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1480         inside SLP nodes if necessary.
1481         (vect_analyze_slp_instance): Handle reductions.
1482         (vect_analyze_slp): Try to build SLP instances originating from groups
1483         of reductions.
1484         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1485         (vect_get_constant_vectors): Create initial vectors for reductions
1486         according to reduction code. Add new argument.
1487         (vect_get_slp_defs): Add new argument, pass it to
1488         vect_get_constant_vectors.
1489         (vect_schedule_slp_instance): Remove SLP tree root statements.
1490
1491 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1492
1493         * tree.h (ENUM_IS_SCOPED): Define.
1494         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1495         for ENUM_IS_SCOPED enums.
1496
1497 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1498
1499         * fold-const.c (fold_comparison): Use ssizetype.
1500         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1501         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1502         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1503         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1504
1505         * tree.h (initialize_sizetypes): Remove parameter.
1506         (build_common_tree_nodes): Remove second parameter.
1507         * stor-layout.c (initialize_sizetypes): Remove parameter.
1508         Always create an unsigned type.
1509         (set_sizetype): Assert that the passed type is unsigned and simplify.
1510         * tree.c (build_common_tree_nodes): Remove second parameter.
1511         Adjust call to initialize_sizetypes.
1512         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1513         build_common_tree_nodes.
1514
1515 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1516
1517         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1518
1519 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1520
1521         PR tree-optimization/43771
1522         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1523         load permutation doesn't have gaps.
1524
1525 2010-04-18  Jan Hubicka  <jh@suse.cz>
1526
1527         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1528         (sse_prologue_save_insn expander): Use new pattern.
1529         (sse_prologue_save_insn1): New pattern and splitter.
1530         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1531         blocks.
1532         * i386.c (setup_incoming_varargs_64): Do not compute jump
1533         destination here.
1534         (ix86_gimplify_va_arg): Update alignment needed.
1535         (ix86_local_alignment): Do not align all local arrays to 128bit.
1536
1537 2010-04-17  Jan Hubicka  <jh@suse.cz>
1538
1539         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1540
1541 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1542
1543         * arm.md (negdi2): Remove redundant code to force values into a
1544         register.
1545
1546 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1547
1548         * arm/bpabi.S: Add EABI alignment attributes to objects.
1549         * arm/bpabi-v6m.S: Likewise.
1550         * arm/crti.asm: Likewise.
1551         * arm/crtn.asm: Likewise.
1552         * arm/lib1funcs.asm: Likewise.
1553         * arm/libunwind.S: Likewise.
1554
1555 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1556
1557         * arm-protos.h (tune_params): New structure.
1558         * arm.c (current_tune): New variable.
1559         (arm_constant_limit): Delete.
1560         (struct processors): Add pointer to the tune parameters.
1561         (arm_slowmul_tune): New tuning option.
1562         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1563         (all_cores): Adjust to pick up the tuning model.
1564         (arm_constant_limit): New function.
1565         (arm_override_options): Select the appropriate tuning model.  Delete
1566         initialization of arm_const_limit.
1567         (arm_split_constant): Use the new constant-limit model.
1568         (arm_rtx_costs): Pick up the current tuning model.
1569         * arm.md (is_strongarm, is_xscale): Delete.
1570         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1571         for Xscale variant architectures.
1572         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1573
1574 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1575
1576         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1577         can_shift.
1578         (arm_rtx_costs_1): Remove unused variable extra_cost.
1579         (arm_unwind_emit_set): Use variable offset.
1580         (thumb1_output_casesi): Remove unused variable flags.
1581
1582 2010-04-16  Jeff Law  <law@redhat.com>
1583
1584         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1585         needing assignment rather than doing a two-phase assignment.  Remove
1586         unused variable 'm'.
1587
1588 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1589
1590         PR bootstrap/43767
1591         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1592
1593 2010-04-16  Doug Kwan  <dougkwan@google.com>
1594
1595         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1596         (next_operand_entry_id): New static variable.
1597         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1598         (add_to_ops_vec): Assigned unique ID to operand entry.
1599         (struct oecount_s): New field ID.
1600         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1601         (undistribute_ops_list): Assign unique IDs to oecounts.
1602         (init_reassoc): reset next_operand_entry_id.
1603
1604 2010-04-16  Doug Kwan  <dougkwan@google.com>
1605
1606         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1607         missing left parenthesis.
1608
1609 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1610
1611         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1612         *btdi_rex64 using SWI48 mode iterator.
1613         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1614         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1615         *jcc_btdi_mask_rex64.
1616
1617 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1618
1619         * double-int.h (tree_to_double_int): Convert to macro.
1620         * double-int.c (tree_to_double_int): Remove.
1621
1622 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1623
1624         PR debug/43762
1625         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1626         with want_address 2 and in case a single element list might be
1627         possible, call it again with want_address 0.
1628
1629 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1630
1631         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1632         case 'W' print operands for HI mode.
1633         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1634         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1635         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1636         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1637
1638         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1639
1640         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1641         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1642         #xx:3 and #xx:4 mode.
1643
1644         * config/h8300/h8300.md (inverted load with HImode dest): Add
1645         support for H8300SX.
1646
1647         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1648         satisfy 'U' constraint.
1649
1650 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1651
1652         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1653         * configure: Regenerate.
1654         * config.in: Regenerate.
1655         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1656         works.
1657
1658 2010-04-16  Richard Guenther  <rguenther@suse.de>
1659
1660         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1661         (struct tree_decl_common): ... here.
1662         (DECL_PT_UID): Adjust.
1663         (SET_DECL_PT_UID): Likewise.
1664         (DECL_PT_UID_SET_P): Likewise.
1665
1666 2010-04-16  Richard Guenther  <rguenther@suse.de>
1667
1668         PR tree-optimization/43572
1669         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1670         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1671         * tree-flow.h (is_call_clobbered): Remove.
1672         * tree-flow-inline.h (is_call_clobbered): Likewise.
1673         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1674         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1675         (execute_return_slot_opt): Adjust.
1676         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1677         check for call clobbered vars here.
1678         (find_tail_calls): Move tailcall verification to the
1679         proper place.
1680
1681 2010-04-16  Diego Novillo  <dnovillo@google.com>
1682
1683         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1684
1685 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1686
1687         PR target/40603
1688         * config/arm/arm.md (cbranchqi4): New pattern.
1689         * config/arm/predicates.md (const0_operand,
1690         cbranchqi4_comparison_operator): New predicates.
1691
1692 2010-04-16  Richard Guenther  <rguenther@suse.de>
1693
1694         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1695         (dump_gimple_stmt): Likewise.
1696
1697 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1698
1699         * recog.h (struct recog_data): New field is_operator.
1700         (struct insn_operand_data): New field is_operator.
1701         * recog.c (extract_insn): Set recog_data.is_operator.
1702         * genoutput.c (output_operand_data): Emit code to set the
1703         is_operator field.
1704         * reload.c (find_reloads): Use it rather than testing for an
1705         empty constraint string.
1706
1707         PR target/41514
1708         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1709         If the previous insn is a cbranchsi4_insn with the same arguments,
1710         omit the compare instruction.
1711
1712         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1713         register, inputs must be low registers and we need a low register
1714         scratch.  Handle alternative 2 like alternative 3.
1715
1716 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1717
1718         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1719         don't call get_addr on both.  If one expression is a VALUE and
1720         the other a REG, check VALUE's locs if the REG isn't among them.
1721
1722 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1723
1724         * config/sh/sh.h (sh_frame_pointer_required): New function.
1725         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1726         (flag_omit_frame_pointer) Set.
1727         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1728         (rounded_frame_size): Adjust size with outgoing_args_size.
1729         (sh_set_return_address): Must return from stack pointer.
1730         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1731         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1732         (ACCUMULATE_OUTGOING_ARGS): Define.
1733         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1734         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1735
1736 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1737
1738         PR target/43471
1739         * config/sh/sh.c (sh_legitimize_reload_address): Use
1740         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1741         Remove a unneeded check for offset_base.
1742
1743 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1744
1745         * configure: Regenerated.
1746
1747 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1748
1749         * config/s390/s390.c (s390_call_save_register_used): Switch back
1750         to HARD_REGNO_NREGS.
1751
1752 2010-04-15  Richard Guenther  <rguenther@suse.de>
1753
1754         * alias.c (alias_set_subset_of): Handle alias-set zero
1755         child properly.
1756
1757 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1758             Julian Brown  <julian@codesourcery.com>
1759
1760         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1761         alternatives according to use of high and low regs.
1762         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1763         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1764         optimizing for size on Thumb-2.
1765
1766 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1767
1768         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1769
1770 2010-04-15  Richard Guenther  <rguenther@suse.de>
1771
1772         * tree-ssa-structalias.c (struct variable_info): Add
1773         is_fn_info flag.
1774         (new_var_info): Initialize it.
1775         (dump_constraints): Support printing last added constraints.
1776         (debug_constraints): Adjust.
1777         (dump_constraint_graph): Likewise.
1778         (make_heapvar_for): Check for NULL cfun.
1779         (get_function_part_constraint): New function.
1780         (get_fi_for_callee): Likewise.
1781         (find_func_aliases): Properly implement IPA PTA constraints.
1782         (process_ipa_clobber): New function.
1783         (find_func_clobbers): Likewise.
1784         (insert_into_field_list_sorted): Remove.
1785         (create_function_info_for): Properly allocate vars for IPA mode.
1786         Do not use insert_into_field_list_sorted.
1787         (create_variable_info_for): Properly generate constraints for
1788         global vars in IPA mode.
1789         (dump_solution_for_var): Always dump the solution.
1790         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1791         (find_what_var_points_to): Adjust.
1792         (pt_solution_set): Change.
1793         (pt_solution_ior_into): New function.
1794         (pt_solution_empty_p): Export.
1795         (pt_solution_includes_global): Adjust.
1796         (pt_solution_includes_1): Likewise.
1797         (pt_solutions_intersect_1): Likewise.
1798         (dump_sa_points_to_info): Check some invariants.
1799         (solve_constraints): Move constraint dumping ...
1800         (compute_points_to_sets): ... here.
1801         (ipa_pta_execute): ... and here.
1802         (compute_may_aliases): Do not re-compute points-to info
1803         locally if IPA info is available.
1804         (ipa_escaped_pt): New global var.
1805         (ipa_pta_execute): Properly implement IPA PTA.
1806         * tree-into-ssa.c (dump_decl_set): Support dumping
1807         decls not in referenced-vars.
1808         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1809         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1810         (dump_points_to_solution): Likewise.
1811         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1812         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1813         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1814         (copy_decl_to_var): Copy DECL_PT_UID.
1815         (copy_result_decl_to_var): Likewise.
1816         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1817         (copy_node_stat): Copy it.
1818         * tree.h (DECL_PT_UID): New macro.
1819         (SET_DECL_PT_UID): Likewise.
1820         (DECL_PT_UID_SET_P): Likewise.
1821         (struct tree_decl_minimal): Add pt_uid member.
1822         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1823         (pt_solution_empty_p): Declare.
1824         (pt_solution_set): Adjust.
1825         (ipa_escaped_pt): Declare.
1826         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1827         * gimple-pretty-print.c (pp_points_to_solution): New function.
1828         (dump_gimple_call): Dump call clobber/use information.
1829         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1830         * tree-pass.h (TDF_ALIAS): New dump option.
1831         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1832         * doc/invoke.texi (-fipa-pta): Update documentation.
1833
1834 2010-04-15  Richard Guenther  <rguenther@suse.de>
1835
1836         * Makefile.in (OBJS-common): Add gimple-fold.o.
1837         (gimple-fold.o): New rule.
1838         * tree.h (maybe_fold_offset_to_reference,
1839         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1840         prototypes ...
1841         * gimple.h: ... here.
1842         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1843         may_propagate_address_into_dereference): Move prototypes ...
1844         * gimple.h: ... here.
1845         * tree-ssa-ccp.c (get_symbol_constant_value,
1846         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1847         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1848         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1849         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1850         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1851         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1852         gimplify_and_update_call_from_tree): Move ...
1853         * gimple-fold.c: ... here.  New file.
1854         (ccp_fold_builtin): Rename to ...
1855         (gimple_fold_builtin): ... this.
1856         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1857
1858 2010-04-15  Richard Guenther  <rguenther@suse.de>
1859
1860         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1861         fit_double_type, force_fit_type_double, add_double_with_sign,
1862         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1863         lrotate_double, rrotate_double, div_and_round_double): Move ...
1864         * double-int.c: ... here.
1865         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1866         add_double, neg_double, mul_double_with_sign, mul_double,
1867         lshift_double, rshift_double, lrotate_double, rrotate_double,
1868         div_and_round_double): Move prototypes ...
1869         * double-int.h: ... here.
1870
1871 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1872
1873         PR target/43742
1874         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1875         matching constraints to ensure inputs match the output.
1876
1877 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1878
1879         PR target/43742
1880         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1881         in an input-only operand.
1882
1883 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1884
1885         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1886         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1887         (double_int_negative_p): Convert to static inline function.
1888         * double-int.c (double_int_lshift, double_int_lshift): New functions.
1889         (double_int_negative_p): Remove.
1890         * tree.h (lshift_double, rshift_double):
1891         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1892         * fold-const.c (fold_convert_const_int_from_real,
1893         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1894         (lshift_double): Change type of arith argument to bool.
1895         (rshift_double): Change type of arith argument to bool. Correct
1896         comment.
1897         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1898
1899 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1900
1901         PR target/21803
1902         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1903         at the start and end of the then/else blocks, and omit them from the
1904         conversion.
1905         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1906         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1907         (flow_find_head_matching_sequence): New function.
1908         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1909         * basic-block.h (flow_find_cross_jump,
1910         flow_find_head_matching_sequence): Declare functions.
1911
1912 2010-04-14  Jason Merrill  <jason@redhat.com>
1913
1914         PR c++/36625
1915         * c-common.c (attribute_takes_identifier_p): New fn.
1916         * c-common.h: Declare it.
1917
1918 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1919
1920         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1921         splitter condition.
1922         (*udivmod<mode>4): Ditto.
1923
1924 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1925
1926         * config/i386/i386.md (maxmin_int): Rename code attribute from
1927         maxminiprefix and update all users.
1928         (maxmin_float): Ditto from maxminfprefix.
1929         (logic): Ditto from logicprefix.
1930         (absneg_mnemonic): Ditto from absnegprefix.
1931         * config/i386/mmx.md: Update all users of maxminiprefix,
1932         maxminfprefix and logicprefix for rename.
1933         * config/i386/sse.md: Ditto.
1934         * config/i386/sync.md (sync_<code><mode>): Update for
1935         logicprefix rename.
1936
1937 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1938
1939         PR 42966
1940         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1941         warnings converted to errors.
1942
1943 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1944
1945         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1946         used insn_type variable.
1947         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1948         to avoid set-but-not-used warning.
1949
1950 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1951
1952         * df-core.c (df_ref_debug): Change format string placeholder
1953         from 0x%x to %#x.
1954         * dwarf2asm.c (dw2_asm_output_data_raw,
1955         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1956         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1957         * dwarf2out.c (output_cfi, output_cfi_directive,
1958         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1959         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1960         Ditto.
1961         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1962         * print-rtl.c (print_rtx): Ditto.
1963
1964 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1965
1966         PR middle-end/42694
1967         * builtins.c (expand_builtin_pow_root): New function to expand pow
1968         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1969         series of sqrt and cbrt calls under -ffast-math.
1970         (expand_builtin_pow): Call it.
1971
1972 2010-04-14  Michael Matz  <matz@suse.de>
1973
1974         PR tree-optimization/42963
1975         * tree-cfg.c (touched_switch_bbs): New static variable.
1976         (group_case_labels_stmt): New function broken out from ...
1977         (group_case_labels): ... here, use the above.
1978         (start_recording_case_labels): Allocate touched_switch_bbs.
1979         (end_recording_case_labels): Deallocate it, call
1980         group_case_labels_stmt.
1981         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1982
1983 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1984
1985         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1986         from insn template.
1987
1988 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1989
1990         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1991
1992 2010-04-13  Jan Hubicka  <jh@suse.cz>
1993
1994         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1995         of optimized out static functions.
1996         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1997         cost computation.  Also sanity check for overflows.
1998         (update_caller_keys): Update cgraph_edge_badness call; properly
1999         update fibheap and sanity check that it is up to date.
2000         (add_new_edges_to_heap): Update cgraph_edge_badness.
2001         (cgraph_decide_inlining_of_small_function): Likewise;
2002         add sanity checking that badness in heap is up to date;
2003         improve dumping of reason; Update badness of calls to the
2004         offline copy of function currently inlined; dump badness
2005         of functions not inlined because of unit growth limits.
2006
2007 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2008
2009         PR middle-end/32628
2010         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2011         because of sign-extension change when converting to sizetype here...
2012         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2013
2014         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2015         the folding to constants.  Remove redundant final conversion.
2016         (fold_binary) <associate>: Do not associate if the re-association of
2017         constants alone overflows.
2018         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2019         to the end of the list.
2020         (multiple_of_p) <COND_EXPR>: New case.
2021
2022 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2023
2024         * opt-functions.awk (opt_sanitized_name): New.
2025         (opt_enum): New.
2026         * optc-gen.awk: Use it
2027         * opth-gen.awk: Use it.
2028
2029 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2030
2031         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2032         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2033         children.  Call replace_uses_with_default_def_ssa_name to handle
2034         SSA_NAES on lhs.
2035
2036 2010-04-13  Michael Matz  <matz@suse.de>
2037
2038         PR middle-end/43730
2039         * builtins.c (expand_builtin_interclass_mathfn): Also create
2040         a register if the predicate doesn't match.
2041
2042 2010-04-13  Diego Novillo  <dnovillo@google.com>
2043
2044         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2045         * c-pch.c: Include timevar.h.
2046         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2047         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2048         * ggc-common.c: Include timevar.h.
2049         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2050         * timevar.def (TV_PCH_SAVE): Define.
2051         (TV_PCH_CPP_SAVE): Define.
2052         (TV_PCH_PTR_REALLOC): Define.
2053         (TV_PCH_PTR_SORT): Define.
2054         (TV_PCH_RESTORE): Define.
2055         (TV_PCH_CPP_RESTORE): Define.
2056
2057 2010-04-13  Michael Matz  <matz@suse.de>
2058
2059         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2060         into MINUS_EXPRs.
2061         (can_reassociate_p): New function.
2062         (break_up_subtract_bb, reassociate_bb): Use it.
2063
2064 2010-04-13  Richard Guenther  <rguenther@suse.de>
2065
2066         PR bootstrap/43737
2067         * builtins.c (c_readstr): Fix assert.
2068
2069 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2070
2071         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2072         when generating cltd insn.
2073
2074         (*ashl<mode>3_1): Remove special handling for register operand 2.
2075         (*ashlsi3_1_zext): Ditto.
2076         (*ashlhi3_1): Ditto.
2077         (*ashlhi3_1_lea): Ditto.
2078         (*ashlqi3_1): Ditto.
2079         (*ashlqi3_1_lea): Ditto.
2080         (*<shiftrt_insn><mode>3_1): Ditto.
2081         (*<shiftrt_insn>si3_1_zext): Ditto.
2082         (*<shiftrt_insn>qi3_1_slp): Ditto.
2083         (*<rotate_insn><mode>3_1): Ditto.
2084         (*<rotate_insn>si3_1_zext): Ditto.
2085         (*<rotate_insn>qi3_1_slp): Ditto.
2086
2087 2010-04-13  Richard Guenther  <rguenther@suse.de>
2088
2089         * tree-ssa-structalias.c (callused_id): Remove.
2090         (call_stmt_vars): New.
2091         (get_call_vi): Likewise.
2092         (lookup_call_use_vi): Likewise.
2093         (lookup_call_clobber_vi): Likewise.
2094         (get_call_use_vi): Likewise.
2095         (get_call_clobber_vi): Likewise.
2096         (make_transitive_closure_constraints): Likewise.
2097         (handle_const_call): Adjust to do per-call call-used handling.
2098         (handle_pure_call): Likewise.
2099         (find_what_var_points_to): Remove general callused handling.
2100         (init_base_vars): Likewise.
2101         (init_alias_vars): Initialize call_stmt_vars.
2102         (compute_points_to_sets): Process call-used and call-clobbered
2103         vars for call statements.
2104         (delete_points_to_sets): Free call_stmt_vars.
2105
2106 2010-04-13  Richard Guenther  <rguenther@suse.de>
2107
2108         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2109         Only add RW dependence for dependence distance zero.
2110         Adjust maximal vectorization factor according to dependences.
2111         Move alignment handling ...
2112         (vect_find_same_alignment_drs): ... here.  New function.
2113         (vect_analyze_data_ref_dependences): Adjust.
2114         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2115         (vect_analyze_data_refs): Adjust minimal vectorization factor
2116         according to data references.
2117         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2118         dependences before determining the vectorization factor.
2119         Analyze alignment after determining the vectorization factor.
2120         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2121         dependences before alignment.
2122         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2123         Adjust prototype.
2124         (vect_analyze_data_refs): Likewise.
2125         (MAX_VECTORIZATION_FACTOR): New define.
2126
2127 2010-04-13  Duncan Sands  <baldrick@free.fr>
2128
2129         * except.h (lang_eh_type_covers): Remove.
2130         * except.c (lang_eh_type_covers): Likewise.
2131
2132 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2133             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2134
2135         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2136         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2137         UNITS_PER_LONG where it is ABI relevant.
2138         (s390_return_addr_rtx): Likewise.
2139         (s390_back_chain_rtx): Likewise.
2140         (s390_frame_area): Likewise.
2141         (s390_frame_info): Likewise.
2142         (s390_initial_elimination_offset): Likewise.
2143         (save_gprs): Likewise.
2144         (s390_emit_prologue): Likewise.
2145         (s390_emit_epilogue): Likewise.
2146         (s390_function_arg_advance): Likewise.
2147         (s390_function_arg): Likewise.
2148         (s390_va_start): Likewise.
2149         (s390_gimplify_va_arg): Likewise.
2150         (s390_function_profiler): Likewise.
2151         (s390_optimize_prologue): Likewise.
2152         (s390_rtx_costs): Likewise.
2153         (s390_secondary_reload): Likewise.
2154         (s390_promote_function_mode): Likewise.
2155         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2156         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2157         registers available.
2158         (s390_unwind_word_mode): New function.
2159         (s390_function_value): Split 64 bit values into register pair if
2160         used as return value.
2161         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2162         function call parameters.  Handle parallels.
2163         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2164         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2165         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2166         (s390_expand_setmem): Remove unused variable src_addr.
2167         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2168         deal with 64 bit registers.
2169         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2170         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2171         (UNITS_PER_LONG): New macro.
2172         * libjava/include/s390-signal.h: Define extended ucontext
2173         structure containing the upper halfs of the 64 bit registers.
2174
2175 2010-04-13  Simon Baldwin  <simonb@google.com>
2176
2177         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2178
2179 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2180
2181         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2182         rvalue on the RHS if the LHS is of a non-renamable type.
2183         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2184
2185 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2186
2187         * gcc.c (cc1_options): Handle -iplugindir before processing
2188         the cc1 spec. Only add -iplugindir once.
2189         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2190         found.
2191         * common.opt (iplugindir): Remove `Separate' property, initialize.
2192         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2193         option.
2194         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2195         (distclean): Remove plugin dir.
2196         * doc/invoke.texi: Document -iplugindir.
2197
2198 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2199
2200         * doc/plugins.texi (Loading Plugins): Document short
2201         -fplugin=foo option.
2202         (Plugin API): Mention default_plugin_dir_name function.
2203
2204         * gcc.c (find_file_spec_function): Add new declaration.
2205         (static_spec_func): Use it for "find-file".
2206         (find_file_spec_function): Add new function.
2207         (cc1_options): Add -iplugindir option if -fplugin* options found.
2208
2209         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2210
2211         * plugin.c (add_new_plugin): Updated comment, and handle short
2212         plugin name.
2213         (default_plugin_dir_name): Added new function.
2214
2215         * common.opt (iplugindir): New option to set the plugin directory.
2216
2217 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2218
2219         * config/i386/i386.md (any_rotate): New code iterator.
2220         (rotate_insn): New code attribute.
2221         (rotate): Ditto.
2222         (SWIM124): New mode iterator.
2223         (<rotate_insn>ti3): New expander.
2224         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2225         any_rotate code iterator.
2226         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2227         using any_rotate code iterator and SWIM124 mode iterator.
2228         (ix86_rotlti3): New insn_and_split pattern.
2229         (ix86_rotrti3): Ditto.
2230         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2231         ix86_rotl{di,ti}3 patterns.
2232         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2233         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2234         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2235         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2236         code iterator and SWI mode iterator.
2237         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2238         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2239         code iterator.
2240         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2241         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2242         (bswap rotatert splitter): Add splitter.
2243         (bswap splitter): Macroize splitter using any_rotate code iterator.
2244         Add insn predicate to split only for TARGET_USE_XCHGB or when
2245         optimizing function for size.
2246
2247 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2248
2249         * config/pa/pa.c (emit_move_sequence): Remove use of
2250         deleted variable flag_argument_noalias.
2251
2252 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2253
2254         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2255         configurations.
2256         Add to unsupported targets list.
2257         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2258         sparc*-sun-solaris2.[567]* from target lists.
2259         * configure: Regenerate.
2260         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2261         removal.
2262         Remove Solaris 7 patch references.
2263         (Specific, sparc-sun-solaris2.7): Removed.
2264         (sparc-sun-solaris2*): Update Solaris 7 example.
2265         (sparc64-*-solaris2*): Likewise.
2266
2267 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2268
2269         * config.build (alpha*-dec-osf4*): Remove.
2270         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2271         of obsolete configurations.
2272         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2273         support.
2274         * config/alpha/t-osf4: Renamed to ...
2275         * config/alpha/t-osf5: ... this.
2276         * config/alpha/osf.h: Renamed to ...
2277         * config/alpha/osf5.h: ... this.
2278         Merged old osf5.h contents.
2279         Update comments.
2280         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2281         (EXTRA_SPECS): Removed.
2282         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2283         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2284         Document that.
2285
2286 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2287
2288         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2289
2290 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2291
2292         PR/43702
2293         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2294         __thiscall convention.
2295
2296 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2297
2298         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2299         orig_base.
2300         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2301
2302 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2303
2304         * function.c (assign_parms_initialize_all): Add unused attribute
2305         to fntype.
2306
2307 2010-04-12  Richard Guenther  <rguenther@suse.de>
2308
2309         * gsstruct.def (GSS_CALL): New.
2310         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2311         * gimple.h: Include tree-ssa-alias.h.
2312         (struct gimple_statement_call): New.
2313         (union gimple_statement_struct_d): Add gimple_call member.
2314         (gimple_call_reset_alias_info): Declare.
2315         (gimple_call_use_set): New function.
2316         (gimple_call_clobber_set): Likewise.
2317         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2318         * gimple.c (gimple_call_reset_alias_info): New function.
2319         (gimple_build_call_1): Call it.
2320         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2321         * tree-inline.c (remap_gimple_stmt): Likewise.
2322         (expand_call_inline): Remove callused handling.
2323         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2324         * tree-dfa.c (dump_variable): Likewise.
2325         * tree-parloops.c (parallelize_loops): Likewise.
2326         * tree-ssa.c (init_tree_ssa): Likewise.
2327         (delete_tree_ssa): Likewise.
2328         * tree-flow-inline.h (is_call_used): Remove.
2329         * tree-flow.h (struct gimple_df): Remove callused member.
2330         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2331         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2332         (ref_maybe_used_by_call_p_1): Simplify.
2333         (call_may_clobber_ref_p_1): Likewise.
2334         * tree-ssa-structalias.c (compute_points_to_sets): Set
2335         the call stmt used and clobbered sets.
2336         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2337         (find_tail_calls): Verify the tail call.
2338
2339 2010-04-12  Richard Guenther  <rguenther@suse.de>
2340
2341         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2342         single-iteration always-inline inlining.
2343         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2344         (cgraph_decide_inlining): Do not handle always-inline specially.
2345         (try_inline): Remove always-inline cycle detection special case.
2346         Do not recurse on always-inlines.
2347         (cgraph_early_inlining): Do not iterate if not optimizing.
2348         (cgraph_gate_early_inlining): remove.
2349         (pass_early_inline): Run unconditionally.
2350         (gate_cgraph_decide_inlining): New function.
2351         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2352         not inlining or optimizing.
2353         (cgraph_decide_inlining_of_small_functions): Also consider
2354         always-inline functions.
2355         (cgraph_default_inline_p): Return true for nodes which should
2356         disregard inline limits.
2357         (estimate_function_body_sizes): Assume zero size and time for
2358         nodes which are marked as disregarding inline limits.
2359         (cgraph_decide_recursive_inlining): Do not perform recursive
2360         inlining on always-inline nodes.
2361
2362 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2363
2364         PR bootstrap/43699
2365         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2366         for exprs satisfying handled_component_p.
2367
2368 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2369
2370         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2371         non-constant aggregate elements.
2372
2373         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2374         is a real initialization.
2375
2376 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2377
2378         PR c/36774
2379         * c-decl.c (start_function): Move forward check for nested function.
2380
2381 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2382
2383         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2384         * config/sh/sh.c: Include reload.h.
2385         (sh_legitimize_reload_address): New.
2386         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2387         sh_legitimize_reload_address.
2388
2389 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2390
2391         * config/sh/sh.md (*movqi_pop): New insn pattern.
2392         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2393
2394 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2395
2396         * config/i386/i386.md (any_shiftrt): New code iterator.
2397         (shiftrt_insn): New code attribute.
2398         (shiftrt): Ditto.
2399         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2400         using any_shiftrt code iterator.
2401         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2402         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2403         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2404         pattern from corresponding peephole2 patterns.
2405         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2406         using any_shiftrt code iterator.
2407         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2408         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2409         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2410         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2411         *{ashr,lshr}<mode>3_cmp_zext.
2412         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2413
2414 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2415
2416         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2417         scratch register.
2418         (*lshr<mode>3_cconly): Ditto.
2419
2420 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2421
2422         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2423         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2424         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2425         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2426         DWI mode iterator.
2427         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2428         from corresponding peephole2 patterns.
2429         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2430         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2431         and *lshrdi3_1_rex64 using SWI mode iterator.
2432         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2433         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2434         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2435         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2436         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2437         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2438         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2439         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2440         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2441         SWI mode iterator.
2442
2443 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2444
2445         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2446         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2447         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2448         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2449         DWI mode iterator.
2450         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2451         from corresponding peephole2 patterns.
2452         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2453         (ashrsi3_cvt): Rename from ashrsi3_31.
2454         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2455         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2456         and x86_64_shift_adj_3 using SWI48 mode iterator.
2457         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2458         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2459         and *ashrdi3_1_rex64 using SWI mode iterator.
2460         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2461         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2462         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2463         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2464         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2465         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2466         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2467         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2468         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2469         SWI mode iterator.
2470         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2471         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2472         x86_shift<mode>_adj_3 expanders.
2473
2474 2010-04-10  Wei Guozhi  <carrot@google.com>
2475
2476         PR target/42601
2477         * config/arm/arm.c (arm_pic_static_addr): New function.
2478         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2479         a static symbol.
2480         (arm_output_addr_const_extra): Output expression for new pattern.
2481         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2482
2483 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2484
2485         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2486         not enabled.
2487
2488         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2489         * web.c: Include "insn-config.h" and "recog.h".
2490         (union_match_dups): New function.
2491         (web_main): Call it.
2492         (union_defs): Don't try to recognize match_dups.
2493
2494         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2495         if doing so would replace the entire pattern.
2496
2497 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2498
2499         PR target/43707
2500         PR target/43709
2501         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2502         and splitter pattern.  Change splitter operand 1 predicate to
2503         nonmemory_operand.
2504
2505 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2506
2507         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2508         lattices are addresses of CONST_DECLs with the same initial value.
2509         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2510         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2511
2512 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2513             Bernd Schmidt  <bernds@codesourcery.com>
2514
2515         * loop-invariant.c (replace_uses): New static function.
2516         (move_invariant_reg): Use it to ensure we can replace the uses.
2517
2518 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2519
2520         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2521         function template.
2522         (picochip_override_options): Enable section anchors only above -O1.
2523         (picochip_reorg): Fixed a couple of build warnings.
2524
2525 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2526
2527         * configure.ac (plugin -rdynamic test): Log result.
2528         * configure: Regenerate.
2529         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2530         (RDYNAMIC_SPEC): Define.
2531         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2532
2533 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2534
2535         * configure.ac: Determine Sun ld version numbers.
2536         (comdat_group): Restrict GNU ld version checks to gld.
2537         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2538         (enable_comdat): Support --enable-comdat.
2539         * configure: Regenerate.
2540         * doc/install.texi (Configuration): Document --enable-comdat.
2541
2542 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2543
2544         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2545         * config/sol2-gld.h: ... here.
2546         * config.gcc (sparc*-*-solaris2*): Reflect this.
2547         (i[34567]86-*-solaris2*): Use it.
2548
2549 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2550
2551         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2552         setup_clocks_p.
2553         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2554
2555 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2556
2557         PR 42965
2558         * diagnostic.c (diagnostic_initialize): Initialize
2559         some_warnings_are_errors.
2560         (diagnostic_finish): New.
2561         (diagnostic_action_after_output): Call it before exiting.
2562         (diagnostic_report_diagnostic): Do not print message here. Set
2563         some_warnings_are_errors.
2564         * diagnostic.h (diagnostic_context): Delete
2565         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2566         (diagnostic_finish): Declare.
2567         * toplev.c (toplev_main): Call it before exit.
2568
2569 2010-04-09  Jason Merrill  <jason@redhat.com>
2570
2571         PR c++/42623
2572         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2573         for incomplete type.
2574
2575         PR c++/41788
2576         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2577         based on a warning flag.
2578
2579 2010-04-09  Richard Guenther  <rguenther@suse.de>
2580
2581         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2582
2583 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2584
2585         PR bootstrap/43684
2586         * varasm.c (default_assemble_visibility): Wrap vars that are
2587         set, but unused, by targets without GAS.
2588         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2589         Remove set, but unused, vars.
2590         (rs6000_legitimize_tls_address): Likewise.
2591         (altivec_expand_dst_builtin): Likewise.
2592         * config/darwin.c (machopic_classify_symbol): Likewise.
2593         (machopic_indirection_name): Likewise.
2594
2595 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2596
2597         * config/i386/i386.md (DWI): New mode iterator.
2598         (S): New mode attribute.
2599         (shift_operand): Ditto.
2600         (shift_immediate_operand): Ditto.
2601         (ashl_input_operand): Ditto.
2602         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2603         using SDWIM mode iterator.
2604         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2605         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2606         DWI mode iterator.
2607         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2608         from corresponding peephole2 patterns.
2609         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2610         and x86_64_shift_adj_1 using SWI48 mode iterator.
2611         (x86_shift<mode>_adj_2): Ditto.
2612         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2613         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2614         using SWI48 mode iterator.
2615         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2616         *ashldi3_cmp_rex64 using SWI mode iterator.
2617         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2618         *ashldi3_cconly_rex64 using SWI mode iterator.
2619         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2620         x86_shift<mode>_adj_{1,2}.
2621         (ix86_split_ashr): Ditto.
2622         (ix86_split_lshr): Ditto.
2623
2624 2010-04-09  Richard Guenther  <rguenther@suse.de>
2625
2626         * target.h (builtin_conversion): Pass in input and output types.
2627         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2628         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2629         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2630         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2631
2632         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2633         Handle AVX modes.
2634         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2635
2636 2010-04-09  Richard Guenther  <rguenther@suse.de>
2637
2638         PR target/43152
2639         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2640
2641 2010-04-09  Richard Guenther  <rguenther@suse.de>
2642
2643         * tree-vectorizer.h (struct _stmt_vec_info): Document
2644         that vectype is the type of the LHS.
2645         (supportable_widening_operation, supportable_narrowing_operation):
2646         Get both input and output vector types as arguments.
2647         (vect_is_simple_use_1): Declare.
2648         (get_same_sized_vectype): Likewise.
2649         * tree-vect-loop.c (vect_determine_vectorization_factor):
2650         Set STMT_VINFO_VECTYPE to the vector type of the def.
2651         (vectorizable_reduction): Adjust.
2652         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2653         Adjust.  Specify the output vector type.
2654         (vect_pattern_recog_1): Adjust.
2655         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2656         (vectorizable_call): Adjust.
2657         (vectorizable_conversion): Likewise.
2658         (vectorizable_operation): Likewise.
2659         (vectorizable_type_demotion): Likewise.
2660         (vectorizable_type_promotion): Likewise.
2661         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2662         the def.
2663         (vect_is_simple_use_1): New function.
2664         (supportable_widening_operation): Get both input and output
2665         vector types.
2666         (supportable_narrowing_operation): Likewise.
2667         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2668
2669 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2670
2671         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2672         __thiscall and _thiscall as predefined macros.
2673         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2674         thiscall attribute handling.
2675         (ix86_comp_type_attributes): Likewise.
2676         (ix86_function_regparm): Likewise.
2677         (ix86_return_pops_args): Likewise.
2678         (init_cumulative_args): Likewise.
2679         (find_drap_reg): Likewise.
2680         (ix86_static_chain): Likewise.
2681         (x86_this_parameter): Likewise.
2682         (x86_output_mi_thunk): Likewise.
2683         (ix86_attribute_table): Add description for thiscall attribute.
2684         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2685         * doc/extend.texi: Add documentation for thiscall.
2686
2687 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2688
2689         PR c++/28584
2690         * c.opt (Wint-to-pointer-cast): Available in C++.
2691         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2692
2693 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2694
2695         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2696         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2697         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2698         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2699         function type instead.  Reorder and simplify checks.
2700
2701         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2702
2703 2010-04-08  Jing Yu  <jingyu@google.com>
2704             Zdenek Dvorak  <ook@ucw.cz>
2705
2706         PR tree-optimization/42720
2707         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2708         loop unswitch conditions here from ...
2709         (tree_unswitch_single_loop): ... here.
2710
2711 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2712
2713         * tree-if-conv.c: Fix comments and simplify logic.
2714
2715 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2716
2717         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2718         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2719         (main_tree_if_conversion): Update call to tree_if_conversion.
2720
2721 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2722
2723         PR 42485
2724         * doc/invoke.texi (-b,-V): Delete.
2725         * doc/tm.texi: Do not mention -b.
2726         * gcc.c (display_help): Delete -b and -V.
2727         (process_command): Delete -b and -V.
2728         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2729
2730 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2731             Wolfgang Gellerich  <gellerich@de.ibm.com>
2732
2733         Implement target hook for loop unrolling
2734         * target.h (loop_unroll_adjust): Add a new target hook function.
2735         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2736         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2737         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2738         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2739         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2740         target hook.
2741         (decide_unroll_stupid): Likewise.
2742
2743 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2744
2745         PR target/43643
2746         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2747
2748 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2749
2750         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2751         (Specific, *-*-solaris2*): Likewise.
2752         Don't prefer Sun as over GNU as.
2753
2754 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2755
2756         * config/s390/s390.c (override_options): Adjust the z10
2757           defaults for max-unroll-times, max-completely-peeled-insns
2758           and max-completely-peel-times.
2759
2760 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2761
2762         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2763         instructions for z10.
2764         (s390_expand_setmem): Likewise.
2765         (s390_expand_cmpmem): Likewise.
2766
2767 2010-04-08  Richard Guenther  <rguenther@suse.de>
2768
2769         PR tree-optimization/43679
2770         * tree-ssa-pre.c (eliminate): Only propagate copies.
2771
2772 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2773
2774         PR bootstrap/43681
2775         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2776         set but not used variable warning.
2777
2778 2010-04-08  Wei Guozhi  <carrot@google.com>
2779
2780         PR target/41653
2781         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2782         (arm_size_rtx_costs): Call the new function when optimized for size.
2783
2784 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2785
2786         PR debug/43670
2787         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2788         op0 is not a MEM, just return NULL instead of assertion
2789         failure.
2790         (discover_nonconstant_array_refs): Don't walk debug stmts.
2791
2792 2010-04-08  Doug Kwan  <dougkwan@google.com>
2793
2794         * configure.ac: Recognize gold and do not use its version number
2795         to test ld features.
2796         * configure: Regenerate.
2797
2798 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2799
2800         PR middle-end/40815
2801         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2802         (negate_value): Move code to push elements to broken_up_substracts ...
2803         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2804         negative pair to plus_negates.
2805         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2806
2807 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2808
2809         * doc/install.texi (Configuration): Move description of
2810         --enable-lto, --with-libelf*, --enable-gold from Java section to
2811         general section.
2812
2813         * doc/generic.texi (Working with declarations)
2814         (Function Properties, C and C++ Trees): Fix typos.
2815         * doc/sourcebuild.texi (Top Level): Likewise.
2816
2817 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2818
2819         PR c/18624
2820         * tree.h (DECL_READ_P): Define.
2821         (struct tree_decl_common): Add decl_read_flag.
2822         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2823         a set but not used warning.
2824         (merge_decls): Merge DECL_READ_P flag.
2825         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2826         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2827         * c-common.c (handle_used_attribute, handle_unused_attribute):
2828         Likewise.
2829         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2830         New prototypes.
2831         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2832         New functions.
2833         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2834         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2835         c_parser_binary_expression, c_parser_cast_expression,
2836         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2837         Call default_function_array_read_conversion instead of
2838         default_function_array_conversion where needed.
2839         (c_parser_unary_expression, c_parser_conditional_expression,
2840         c_parser_postfix_expression_after_primary, c_parser_initelt):
2841         Likewise.  Call mark_exp_read where needed.
2842         (c_parser_statement_after_labels, c_parser_asm_operands,
2843         c_parser_typeof_specifier, c_parser_sizeof_expression,
2844         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2845         where needed.
2846         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2847         New.
2848         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2849         (warn_unused_but_set_parameter): Default to warn_unused
2850         && extra_warnings.
2851         * doc/invoke.texi: Document -Wunused-but-set-variable and
2852         -Wunused-but-set-parameter.
2853
2854         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2855         used count variable.
2856         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2857         when operandN variables aren't used in the body of the expander
2858         or splitter.
2859         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2860         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2861         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2862         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2863         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2864         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2865         * tree.c (PROCESS_ARG): Likewise.
2866
2867 2010-04-07  Simon Baldwin  <simonb@google.com>
2868
2869         * diagnostic.h (diagnostic_override_option_index): New macro to
2870         set a diagnostic's option_index.
2871         * c-tree.h (c_cpp_error): Add warning reason argument.
2872         * opts.c (_warning_as_error_callback): New.
2873         (register_warning_as_error_callback): Store callback for
2874         warnings enabled via enable_warning_as_error.
2875         (enable_warning_as_error): Call callback, minor code tidy.
2876         * opts.h (register_warning_as_error_callback): Declare.
2877         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2878         response to -Werror=.
2879         (c_common_init_options): Register warning_as_error_callback in opts.c.
2880         * common.opt: Add -Wno-cpp option.
2881         * c-common.c (struct reason_option_codes_t): Map cpp warning
2882         reason codes to gcc option indexes.
2883         * (c_option_controlling_cpp_error): New function, lookup the gcc
2884         option index for a cpp warning reason code.
2885         * (c_cpp_error): Add warning reason argument, call
2886         c_option_controlling_cpp_error for diagnostic_override_option_index.
2887         * doc/invoke.texi: Document -Wno-cpp.
2888
2889 2010-04-07  Richard Guenther  <rguenther@suse.de>
2890
2891         * ipa-reference.c (mark_load): Use get_base_address.
2892         (mark_store): Likewise.
2893
2894         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2895         inserting GIMPLE_NOPs into the IL.
2896         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2897         Explicitly strip handled components and indirect references.
2898
2899         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2900         folding address expressions.
2901         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2902         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2903         operand_equal_p to compare decls.
2904         (ptr_deref_may_alias_decl_p): Likewise.
2905         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2906         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2907         Handle reversed comparison ops.
2908         * tree-sra.c (asm_visit_addr): Use get_base_address.
2909         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2910         * ipa-reference.c (mark_address): Use get_base_address.
2911
2912 2010-04-07  Richard Guenther  <rguenther@suse.de>
2913
2914         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2915         Propagate constants everywhere.
2916
2917 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2918
2919         PR debug/43516
2920         * tree.c (MAX_INT_CACHED_PREC): Define.
2921         (nonstandard_integer_type_cache): New array.
2922         (build_nonstandard_integer_type): Cache results for precision
2923         <= MAX_INT_CACHED_PREC.
2924
2925 2010-04-07  Richard Guenther  <rguenther@suse.de>
2926
2927         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2928         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2929         * common.opt: Likewise.
2930         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2931         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2932         (nonoverlapping_memrefs_p): Likewise.
2933         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2934         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2935         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2936         OPT_fargument_noalias_global for backward compatibility.
2937
2938 2010-04-07  Richard Guenther  <rguenther@suse.de>
2939
2940         PR tree-optimization/43270
2941         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2942         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2943         * tree-ssa-pre.c (phi_translate_1): Adjust.
2944         (fully_constant_expression): Split out vn_reference handling to ...
2945         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2946         Fold reads from constant strings.
2947         (vn_reference_lookup): Handle fully constant references.
2948         (vn_reference_lookup_pieces): Likewise.
2949         * Makefile.in (expmed.o-warn): Add -Wno-error.
2950
2951 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2952
2953         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2954
2955 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2956
2957         PR driver/41594
2958         * gcc.c: Add -static-libstdc++ to list of recognized options.
2959
2960 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2961
2962         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2963
2964 2010-04-07  Richard Guenther  <rguenther@suse.de>
2965
2966         PR middle-end/42617
2967         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2968         bases build simple mem attributes to retain points-to information.
2969
2970 2010-04-07  Richard Guenther  <rguenther@suse.de>
2971
2972         PR middle-end/42617
2973         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2974         preserve points-to related information.
2975
2976 2010-04-07  Richard Guenther  <rguenther@suse.de>
2977
2978         PR middle-end/42617
2979         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2980         discard plain indirect references.
2981         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2982         * tree.c (tree_nop_conversion): Likewise.
2983
2984 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
2985
2986         PR debug/43628
2987         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2988
2989 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
2990
2991         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2992         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2993
2994 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2995
2996         * tree-if-conv.c: Fix indentation and comments.
2997
2998 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
2999
3000         * tree-if-conv.c: Sort static functions in topological order.
3001
3002 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3003
3004         * tree-if-conv.c: Fix indentation and comments.
3005
3006 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3007
3008         PR middle-end/43519
3009         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3010         lang_hooks.types.type_for_size instead of
3011         build_nonstandard_integer_type.
3012         When converting an unsigned type to signed, double its precision.
3013         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3014         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3015         (graphite_create_new_loop_guard): When ub + 1 wraps around,
3016         use lb <= ub.
3017
3018 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3019
3020         PR middle-end/43519
3021         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3022         POINTER_PLUS_EXPR for pointer types.
3023
3024 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3025
3026         PR middle-end/43519
3027         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3028         * graphite-clast-to-gimple.c: Include langhooks.h.
3029         (max_signed_precision_type): New.
3030         (max_precision_type): Takes two types as arguments.
3031         (precision_for_value): New.
3032         (precision_for_interval): New.
3033         (gcc_type_for_interval): New.
3034         (gcc_type_for_value): New.
3035         (gcc_type_for_clast_term): New.
3036         (gcc_type_for_clast_red): New.
3037         (gcc_type_for_clast_bin): New.
3038         (gcc_type_for_clast_expr): Split up into several functions.
3039         (gcc_type_for_clast_eq): Rewritten.
3040         (compute_bounds_for_level): New.
3041         (compute_type_for_level_1): New.
3042         (compute_type_for_level): New.
3043         (gcc_type_for_cloog_iv): Removed.
3044         (gcc_type_for_iv_of_clast_loop): Rewritten.
3045         (graphite_create_new_loop): Compute the lower and upper bound types
3046         with gcc_type_for_clast_expr.
3047         (graphite_create_new_loop_guard): Same.
3048         (find_cloog_iv_in_expr): Removed.
3049         (compute_cloog_iv_types_1): Removed.
3050         (compute_cloog_iv_types): Removed.
3051         (gloog): Do not call compute_cloog_iv_types.
3052         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3053         GBB_CLOOG_IV_TYPES.
3054         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3055         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3056         (GBB_CLOOG_IV_TYPES): Removed.
3057
3058 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3059
3060         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3061         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3062         (detect_commutative_reduction): Same.
3063
3064 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3065
3066         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3067         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
3068         argument.
3069         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3070         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3071         (rewrite_commutative_reductions_out_of_ssa): Same.
3072         * passes.c (execute_function_todo): Call verify_ssa for every pass
3073         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
3074         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3075         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3076         with an extra argument.
3077         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
3078         verify_ssa only when the extra argument is true.
3079         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3080         with an extra argument.
3081         (tree_transform_and_unroll_loop): Same.
3082
3083 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3084
3085         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3086         for all the passes of the LNO having LOOP_CLOSED_SSA.
3087         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3088         * tree-loop-distribution.c (pass_loop_distribution): Same.
3089         * tree-pass.h (TODO_verify_loops): Removed.
3090         * tree-ssa-loop.c (pass_tree_loop_init): Same.
3091         (pass_lim): Same.
3092         (pass_tree_unswitch): Same.
3093         (pass_predcom): Same.
3094         (pass_vectorize): Same.
3095         (pass_linear_transform): Same.
3096         (pass_graphite_transforms): Same.
3097         (pass_iv_canon): Same.
3098         (pass_complete_unroll): Same.
3099         (pass_complete_unrolli): Same.
3100         (pass_parallelize_loops): Same.
3101         (pass_loop_prefetch): Same.
3102         (pass_iv_optimize): Same.
3103
3104 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
3105
3106         PR middle-end/32824
3107         * passes.c (init_optimization_passes): Move pass_lim before
3108         pass_copy_prop and pass_dce_loop.
3109
3110 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3111
3112         PR target/43667
3113         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3114         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3115         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3116         MULTI_* defines for 4 argument vpermil2p* builtins.
3117
3118 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3119
3120         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3121         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3122         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3123         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3124         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3125         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3126         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3127         Use x86_maybe_negate_const_int to output insn mnemonic.
3128         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3129         check from instruction predicate.  Update comments.
3130         * config/i386/sync.md (sync_add<mode>): Use
3131         x86_maybe_negate_const_int to output insn mnemonic.
3132
3133 2010-04-06  Jan Hubicka  <jh@suse.cz>
3134
3135         PR tree-optimization/42906
3136         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3137         IGNORE_SELF argument.  Set visited_control_parents for fully
3138         processed BBs.
3139         (find_obviously_necessary_stmts): Update call of
3140         mark_control_dependent_edges_necessary.
3141         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3142
3143 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3144
3145         * config/i386/i386.md: Remove comment about 'e' and 'E'
3146         operand modifier.
3147
3148 2010-04-06  Richard Guenther  <rguenther@suse.de>
3149
3150         PR tree-optimization/43627
3151         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3152         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3153         not varying.
3154
3155 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3156
3157         * BASE-VER: Change to 4.6.0.
3158
3159         PR target/43638
3160         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3161         handling.
3162
3163 2010-04-06  Richard Guenther  <rguenther@suse.de>
3164
3165         PR middle-end/43661
3166         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3167
3168 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3169
3170         * doc/invoke.texi (Optimize Options): Document that LTO
3171         won't remove object access purely due to incompatible
3172         declarations.
3173
3174 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3175
3176         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3177         Initialize variable.
3178
3179 2010-04-03  Richard Guenther  <rguenther@suse.de>
3180
3181         PR middle-end/42509
3182         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3183         require a non-NULL MEM_OFFSET.
3184
3185 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3186
3187         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3188         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3189         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3190         config/alpha/predicates.md, config/arm/arm.md,
3191         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3192         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3193         config/darwin9.h, config/darwin.c, config/darwin.h,
3194         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3195         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3196         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3197         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3198         config/mips/mips.md, config/mn10300/mn10300.c,
3199         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3200         config/rs6000/aix.h, config/rs6000/dfp.md,
3201         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3202         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3203         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3204         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3205         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3206         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3207         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3208         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3209         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3210         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3211         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3212         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3213         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3214         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3215         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3216         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3217         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3218         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3219         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3220         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3221         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3222         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3223         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3224         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3225         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3226         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3227         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3228         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3229         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3230         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3231         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3232         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3233         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3234         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3235         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3236         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3237
3238 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3239
3240         PR other/43620
3241         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3242         * aclocal.m4: Regenerate.
3243
3244 2010-04-02  Richard Guenther  <rguenther@suse.de>
3245
3246         PR tree-optimization/43629
3247         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3248         if we have seen a constant value.
3249
3250 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3251
3252         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3253
3254 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3255
3256         PR target/43469
3257         * arm.c (legitimize_tls_address): Adjust call to
3258         gen_tls_load_dot_plus_four.
3259         (arm_note_pic_base): New function.
3260         (arm_cannot_copy_insn_p): Use it.
3261         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3262         constraint.
3263
3264 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3265
3266         PR bootstrap/43531
3267
3268         Revert:
3269         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3270
3271         * Makefile.in ($(out_object_file)): Depend on
3272         gt-$(basename $(notdir $(out_file))).h.
3273
3274 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3275
3276         * config.gcc (lm32-*-rtems*): Add t-lm32.
3277
3278 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3279
3280         * config.gcc: Add lm32-*-rtems*.
3281         * config/lm32/rtems.h: New file.
3282
3283 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3284
3285         PR target/42609
3286         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3287
3288 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3289
3290         * dwarf2out.c (output_compilation_unit_header): For
3291         -gdwarf-4 use version 4 instead of version 3.
3292         (output_line_info): For version 4 and above emit additional
3293         maximum ops per insn header field.
3294         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3295
3296         * dwarf2out.c (is_c_family, is_java): Remove.
3297         (lower_bound_default): New function.
3298         (add_bound_info, gen_descr_array_type_die): Use it.
3299
3300 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3301
3302         PR debug/43325
3303         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3304         re-declaration when it happens in a function.
3305
3306 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3307
3308         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3309         (cgraph_remove_function_insertion_hook): Same.
3310         (cgraph_call_function_insertion_hooks): Same.
3311
3312 2010-04-01  Richard Guenther  <rguenther@suse.de>
3313
3314         PR middle-end/43614
3315         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3316         and TREE_THIS_VOLATILE.
3317         (copy_ref_info): Likewise.
3318         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3319         * tree.c (build6_stat): Ignore side-effects of all but arg5
3320         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3321         TARGET_MEM_REF.
3322
3323 2010-04-01  Richard Guenther  <rguenther@suse.de>
3324
3325         PR tree-optimization/43607
3326         * ipa-type-escape.c (check_call): Do not access non-existing
3327         arguments.
3328
3329 2010-04-01  Richard Guenther  <rguenther@suse.de>
3330
3331         PR middle-end/43602
3332         Revert
3333         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3334                     Jack Howarth <howarth@bromo.med.uc.edu>
3335
3336         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3337         variables TLS.
3338
3339 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3340
3341         * doc/install.texi (Prerequisites): Document libelf usability on
3342         IRIX 5/6 and Solaris 2.
3343         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3344         Update GNU as, GNU ld requirements.
3345         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3346         Document Sun Studio compiler download.
3347         Update and simplify as, ld recommendations.
3348         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3349
3350 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3351
3352         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3353         with_tune_32 to pentium4.
3354
3355 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3356
3357         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3358
3359 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3360
3361         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3362         obsoletion, removal.
3363         Update IDO URL.
3364         Document GNU as requirement.
3365         Update configure requirements.
3366         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3367         Recomment IRIX 6.5.18+.
3368         Document IDF/IDL requirement.
3369         Document GNU as requirement.
3370         Document GNU ld bootstrap failure.
3371         Remove freeware.sgi.com reference.
3372
3373 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3374
3375         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3376         UNIX V4.0, V5.0 obsoletion, removal.
3377         Remove --with-gc=simple reference.
3378         Update VM requirements during bootstrap.
3379         Remove -oldas bootstrap description.
3380         Update binutils reference.
3381         Remove comparison failure note.
3382
3383 2010-03-31  Richard Guenther  <rguenther@suse.de>
3384             Zdenek Dvorak  <ook@ucw.cz>
3385             Sebastian Pop  <sebastian.pop@amd.com>
3386
3387         PR middle-end/43464
3388         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3389         with multiple arguments.
3390         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3391
3392 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3393
3394         * graphite-dependences.c (print_pddr): Call print_pdr with an
3395         extra argument.
3396         * graphite-poly.c (debug_pdr): Add an extra argument for the
3397         verbosity level.
3398         (print_pdr): Same.
3399         (print_pbb_domain): Same.
3400         (print_pbb): Same.
3401         (print_scop_context): Same.
3402         (print_scop): Same.
3403         (print_cloog): Same.
3404         (debug_pbb_domain): Same.
3405         (debug_pbb): Same.
3406         (print_pdrs): Same.
3407         (debug_pdrs): Same.
3408         (debug_scop_context): Same.
3409         (debug_scop): Same.
3410         (debug_cloog): Same.
3411         (print_scop_params): Same.
3412         (debug_scop_params): Same.
3413         (print_iteration_domain): Same.
3414         (print_iteration_domains): Same.
3415         (debug_iteration_domain): Same.
3416         (debug_iteration_domains): Same.
3417         (print_scattering_function): Same.
3418         (print_scattering_functions): Same.
3419         (debug_scattering_function): Same.
3420         (debug_scattering_functions): Same.
3421         * graphite-poly.h (debug_pdr): Update declaration.
3422         (print_pdr): Same.
3423         (print_pbb_domain): Same.
3424         (print_pbb): Same.
3425         (print_scop_context): Same.
3426         (print_scop): Same.
3427         (print_cloog): Same.
3428         (debug_pbb_domain): Same.
3429     &n