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2010-05-03 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-03  Richard Guenther  <rguenther@suse.de>
2
3         PR tree-optimization/43971
4         * tree-ssa-structalias.c (get_constraint_for_1): Fix
5         constraints in the !flag_delete_null_pointer_checks case.
6
7 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
8
9         PR debug/43972
10         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
11         result mode matches original rtl mode.
12
13 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
14
15         PR target/43888
16         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
17
18 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
19
20         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
21         when processing flag options.
22
23 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
24
25         * gcov-iov.c (main): Change format string placeholder
26         from %#08x to 0x%08x.
27         * genchecksum.c (dosum): Change format string placeholder
28         from %#02x to 0x%02x.
29
30 2010-05-02  Richard Guenther  <rguenther@suse.de>
31
32         PR tree-optimization/43879
33         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
34
35 2010-05-02  Bruno Haible  <bruno@clisp.org>
36
37         * doc/extend.texi (Function Attributes): Fix a typo.
38
39 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
40
41         Revert:
42         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
43         placeholder from 0x%x to %#x.
44         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
45         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
46         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
47         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
48         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
49         * config/i386/i386.c (ix86_target_string): Ditto.
50         * config/i386/i386.c (output_pic_addr_const): Ditto.
51         (print_operand): Ditto.
52
53 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
54
55         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
56         placeholder from 0x%x to %#x.
57         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
58         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
59         (ASM_OUTPUT_DEBUG_DATA): Ditto.
60         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
61         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
62         * optc-gen.awk: Ditto.
63         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
64         (HOST_WIDE_INT_PRINT_HEX): Ditto.
65         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
66         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
67
68 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
69
70         * target.h (struct calls): Add function_value_regno_p field.
71         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
72         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
73         * targhooks.c (default_function_value_regno_p): New function.
74         * targhooks.h (default_function_value_regno_p): Declare function.
75         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
76         * builtins.c. (apply_result_size): (Ditto.).
77         * combine.c. (likely_spilled_retval_p): (Ditto.).
78         * mode-switching.c. Include 'target.h'.
79         (create_pre_exit): Use function_value_regno_p hook.
80         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
81         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
82         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
83
84         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
85         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
86         (ix86_function_value_regno_p): Declare as static, change argument
87         type to const unsigned int.
88         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
89
90 2010-05-01  Richard Guenther  <rguenther@suse.de>
91
92         PR tree-optimization/43949
93         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
94         types.
95         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
96
97 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
98
99         * rtl.h (CONST_DOUBLE_P): Define.
100         (rtx_to_double_int): Declare.
101         * emit-rtl.c (rtx_to_double_int): New function.
102         * dwarf2out.c (insert_double): New function.
103         (loc_descriptor, add_const_value_attribute): Clean up, use
104         rtx_to_double_int and insert_double functions.
105
106 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
107
108         * doc/extend.texi (Inline): Add missing return keyword to examples.
109         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
110         "command-line".
111
112 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
113
114         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
115         the variable part of the offset as well.  Use highest_pow2_factor for
116         all alignment checks.
117
118 2010-04-30  Richard Guenther  <rguenther@suse.de>
119
120         PR tree-optimization/43879
121         * tree-ssa-structalias.c (type_could_have_pointers): Functions
122         can have pointers.
123
124 2010-04-30  Jan Hubicka  <jh@suse.cz>
125
126         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
127         varpool.
128         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
129
130 2010-04-30  Jan Hubicka  <jh@suse.cz>
131
132         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
133         New.
134         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
135         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
136         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
137         cgraph_node_set_needs_ltrans_p): Remove.
138
139 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
140
141         * sdbout.c: Include vec.h, do not include varray.h.
142         (deferred_global_decls, sdbout_global_decl,
143         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
144         * toplev.c: Do not include varray.h.
145         (dump_memory_report): Do not dump VARRAY statistics.
146         * gengtype.c (open_base_file): Ignore varray.h.
147         * Makefile.in: Update for abovementioned changes.
148         Remove all traces of varray.c and varray.h.
149         * varray.c: Remove file.
150         * varray.h: Remove file.
151
152 2010-04-30  Jan Hubicka  <jh@suse.cz>
153
154         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
155         references.
156
157 2010-04-30  Jan Hubicka  <jh@suse.cz>
158
159         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
160         needed.
161
162 2010-04-30  Richard Guenther  <rguenther@suse.de>
163
164         * tree-ssa-structalias.c (get_constraint_for_1): Generate
165         constraints for CONSTRUCTOR.
166
167 2010-04-30  Richard Guenther  <rguenther@suse.de>
168
169         PR lto/43946
170         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
171         first after all lowering passes.
172
173 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
174
175         * toplev.c: Include varray.h for statistics dumping.
176         * tree.h: Do not declare varray_head_tag.
177         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
178         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
179         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
180         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
181         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
182         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
183         c-common.c, c-common.h, reg-stack.c, basic-block.h,
184         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
185         include varray.h.
186         * Makefile.in: Update for abovementioned changes.
187
188 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
189
190         PR debug/43942
191         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
192
193 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
194
195         * config/picochip/picochip.c (picochip_legitimize_address): Define.
196         Use this function to do machine-specific conversion.
197         (picochip_legitimize_reload_address): Likewise.
198         (picochip_legitimate_address_p): Check valid base register only if
199         strict.
200         (picochip_check_conditional_copy): Check for modw only if opnd is
201         register.
202         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
203         to call the function in c.
204         * config/picochip/picochip-protos.h
205         (picochip_legitimize_reload_address): Define.
206         * config/picochip/picochip.md (supported_compare1): Define.
207
208 2010-04-30  Jan Hubicka  <jh@suse.cz>
209
210         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
211         (cgraph_global_info): Remove inlined.
212         (LTO_cgraph_tag_names): Remove.
213         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
214         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
215         simplify cgraph tags and document.
216         (lto_output_node): Use only LTO_cgraph_unavail_node and
217         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
218         for_functions_valid, global info, process and output flags.
219         (input_overwrite_node): Initialize estimated stack size and
220         estimated growth.  Do not read flags we no longer store.
221         (input_node): Likewise do not read info no longer stored.
222         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
223         flag.
224
225 2010-04-30  Richard Guenther  <rguenther@suse.de>
226
227         PR tree-optimization/43879
228         * tree-ssa-structalias.c (get_constraint_for_1): Properly
229         handle non-zero initializers.
230
231 2010-04-30  Richard Guenther  <rguenther@suse.de>
232
233         * builtins.c (fold_builtin_1): Delete free (0).
234
235 2010-04-29  Jan Hubicka  <jh@suse.cz>
236
237         * gengtype.c (open_base_files): Add lto-streamer.h
238         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
239         (pass_ipa_cp): GGC collect.
240         * toplev. (compile_file): Do not output symbols.
241         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
242         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
243         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
244         * lto-section-in.c: Include ggc.h
245         (lto_new_in_decl_state): Alloc in GGC.
246         (lto_delete_in_decl_state): Likewise.
247         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
248         Collect.
249
250 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
251
252         PR target/42895
253         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
254         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
255         (HONOR_REG_ALLOC_ORDER): Describe new macro.
256         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
257         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
258         account only if HONOR_REG_ALLOC_ORDER is not defined.
259         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
260         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
261
262 2010-04-29  Jon Grant  <04@jguk.org>
263
264         * collect2.c (vflag): Change type from int to bool.
265         (debug): Likewise.
266         (helpflag): New global bool.
267         (main): Set vflag and debug with boolean, not integer truth values.
268         Accept new "--help" option and output usage text if found.
269         * collect2.h (vflag): Update prototype.
270         (debug): Likewise.
271
272 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
273
274         PR bootstrap/43936
275         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
276
277 2010-04-29  Richard Guenther  <rguenther@suse.de>
278
279         PR bootstrap/43935
280         * plugin.h (invoke_plugin_callbacks): Annotate arguments
281         with ATTRIBUTE_UNUSED.
282
283 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
284
285         PR target/43921
286         * config/i386/i386.c (get_some_local_dynamic_name): Replace
287         INSN_P with NONDEBUG_INSN_P.
288         (distance_non_agu_define): Likewise.
289         (distance_agu_use): Likewise.
290
291 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
292
293         From Dominique d'Humieres <dominiq@lps.ens.fr>
294         PR bootstrap/43858
295         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
296         test_set.
297
298 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
299
300         * plugin.h (invoke_plugin_callbacks): New inline function.
301         * plugin.c (flag_plugin_added): New global flag.
302         (add_new_plugin): Initialize above flag.
303         (invoke_plugin_callbacks): Rename to ...
304         (invoke_plugin_callbacks_full): ... this.
305
306 2010-04-28  Jan Hubicka  <jh@suse.cz>
307
308         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
309         (lto_varpool_replace_node): New.
310         (lto_symtab_resolve_symbols): Resolve varpool nodes.
311         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
312         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
313         * cgraph.h (varpool_node_ptr): New type.
314         (varpool_node_ptr): New vector.
315         (varpool_node_set_def): New structure.
316         (varpool_node_set): New type.
317         (varpool_node_set): New vector.
318         (varpool_node_set_element_def): New structure.
319         (varpool_node_set_element, const_varpool_node_set_element): New types.
320         (varpool_node_set_iterator): New type.
321         (varpool_node): Add prev pointers, add used_from_other_partition,
322         in_other_partition.
323         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
324         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
325         varpool_get_node, varpool_remove_node): Declare.
326         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
327         varpool_node_set_size): New inlines.
328         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
329         * tree-pass.h (varpool_node_set_def): Forward declare.
330         (ipa_opt_pass_d): Summary writting takes vnode sets too.
331         (ipa_write_optimization_summaries): Update prototype.
332         * ipa-cp.c (ipcp_write_summary): Update.
333         * ipa-reference.c (ipa_reference_write_summary): Update.
334         * lto-cgraph.c (lto_output_varpool_node): New static function.
335         (output_varpool): New function.
336         (input_varpool_node): New static function.
337         (input_varpool_1): New function.
338         (input_cgraph): Input varpool.
339         * ipa-pure-const.c (pure_const_write_summary): Update.
340         * lto-streamer-out.c (lto_output): Update, output varpool too.
341         (write_global_stream): Kill WPA hack.
342         (produce_asm_for_decls): Update.
343         (output_alias_pair_p): Handle variables.
344         (output_unreferenced_globals): Output only needed partition of varpool.
345         * ipa-inline.c (inline_write_summary): Update.
346         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
347         cgraph.
348         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
349         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
350         varpool_node_set_new, varpool_node_set_add,
351         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
352         debug_varpool_node_set): New functions.
353         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
354         (execute_one_pass): Process new decls too.
355         (ipa_write_summaries_2): Pass around vsets.
356         (ipa_write_summaries_1): Likewise.
357         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
358         to add.
359         (ipa_write_optimization_summaries_1): Pass around vsets.
360         (ipa_write_optimization_summaries): Likewise.
361         * varpool.c (varpool_get_node): New.
362         (varpool_node): Update doubly linked lists.
363         (varpool_remove_node): New.
364         (dump_varpool_node): More dumping.
365         (varpool_enqueue_needed_node): Update doubly linked lists.
366         (decide_is_variable_needed): Kill ltrans hack.
367         (varpool_finalize_decl): Kill lto hack.
368         (varpool_assemble_decl): Skip decls in other partitions.
369         (varpool_assemble_pending_decls): Update doubly linkes lists.
370         (varpool_empty_needed_queue): Likewise.
371         (varpool_extra_name_alias): Likewise.
372         * lto-streamer.c (lto_get_section_name): Add vars section.
373         * lto-streamer.h (lto_section_type): Update.
374         (output_varpool, input_varpool): Declare.
375
376 2010-04-28  Mike Stump  <mikestump@comcast.net>
377
378         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
379
380 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
381
382         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
383         record or union type with RECORD_OR_UNION_TYPE_P predicate.
384         (lto_input_ts_type_tree_pointers): Likewise.
385         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
386         (lto_output_ts_type_tree_pointers): Likewise.
387
388 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
389
390         Uniquization of constants at the Tree level
391         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
392         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
393         bit to the end.
394         (tree_output_constant_def): Declare.
395         * gimplify.c (gimplify_init_constructor): When using block copy, first
396         uniquize the constant constructor on the RHS.
397         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
398         DECL_IN_CONSTANT_POOL flag.
399         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
400         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
401         constant pool.
402         (assemble_variable): Deal with symbols belonging to the tree constant
403         pool.
404         (get_constant_section): Add ALIGN parameter and simplify.
405         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
406         (assemble_constant_contents): Use the expression of the VAR_DECL.
407         (output_constant_def_contents): Use the alignment of the VAR_DECL.
408         (tree_output_constant_def): New global function.
409         (mark_constant): Use the expression of the VAR_DECL.
410         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
411         its expression.
412         (output_object_block): Likewise and assemble the expression.
413
414 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
415
416         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
417         hash_tree, eq_tree): New tree hash table.
418         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
419         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
420         lto_orig_address_remove): Reimplement.
421
422 2010-04-28  Xinliang David Li  <davidxl@google.com>
423
424         PR c/42643
425         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
426         (compute_uninit_opnds_pos): New function.
427         (is_non_loop_exit_postdominating): New function.
428         (compute_control_dep_chain): New function.
429         (find_pdom): New function.
430         (convert_control_dep_chain_into_preds): New function.
431         (find_predicates): New function.
432         (find_control_equiv_block): New function.
433         (collect_phi_def_edges): New function.
434         (find_def_preds): New function.
435         (find_dom): New function.
436         (dump_predicates): New function.
437         (get_cmp_code): New function.
438         (is_value_included_in): New function.
439         (find_matching_predicate_in_rest_chains): New function.
440         (use_pred_not_overlap_with_undef_path_pred): New function.
441         (is_use_properly_guarded): New function.
442         (normalize_cond_1): New function.
443         (is_and_or_or): New function.
444         (normalize_cond): New function.
445         (is_gcond_subset_of): New function.
446         (is_subset_of_any): New function.
447         (is_or_set_subset_of): New function.
448         (is_and_set_subset_of): New function.
449         (is_norm_cond_subset_of): New function.
450         (is_pred_expr_subset_of): New function.
451         (is_pred_chain_subset_of): New function.
452         (is_included_in): New function.
453         (is_superset_of): New function.
454         (find_uninit_use): New function.
455         (warn_uninitialized_phi): New function.
456         (compute_possibly_undefined_names): New function.
457         (ssa_undefined_value_p): New function.
458         (execute_late_warn_uninitialized): New function.
459         * tree-ssa.c (ssa_undefined_value_p): Removed.
460         (warn_uninit): Changed to extern.
461         (warn_uninitialized_phi): Removed.
462         (warn_uninitialized_vars): Changed to extern.
463         (execute_late_warn_uninitialized): Removed
464         * tree-flow.h: Add new prototypes.
465         * timevar.def: Add new time variable.
466         * Makefile.in: Add new build file.
467
468 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
469
470         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
471         type if available.
472
473 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
474
475         PR target/22224
476         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
477
478 2010-04-28  Martin Jambor  <mjambor@suse.cz>
479
480         * cgraph.h (struct cgraph_node): New field indirect_calls.
481         (struct cgraph_indirect_call_info): New type.
482         (struct cgraph_edge): Removed field indirect_call. New fields
483         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
484         (cgraph_create_indirect_edge): Declare.
485         (cgraph_make_edge_direct): Likewise.
486         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
487         * ipa-prop.h (struct ipa_param_call_note): Removed.
488         (struct ipa_node_params): Removed field param_calls.
489         (ipa_create_all_structures_for_iinln): Declare.
490         * cgraph.c: Described indirect edges and uids in initial comment.
491         (cgraph_add_edge_to_call_site_hash): New function.
492         (cgraph_edge): Search also among the indirect edges, use
493         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
494         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
495         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
496         site hash.
497         (initialize_inline_failed): Assign a reason to indirect edges.
498         (cgraph_create_edge_1): New function.
499         (cgraph_create_edge): Moved some functionality to
500         cgraph_create_edge_1.
501         (cgraph_create_indirect_edge): New function.
502         (cgraph_edge_remove_callee): Add an assert checking for
503         non-indirectness.
504         (cgraph_edge_remove_caller): Special-case indirect edges.
505         (cgraph_remove_edge): Likewise.
506         (cgraph_set_edge_callee): New function.
507         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
508         (cgraph_make_edge_direct): New function.
509         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
510         the declaration of the call statement matches.
511         (cgraph_node_remove_callees): Special-case indirect edges.
512         (cgraph_clone_edge): Likewise.
513         (cgraph_clone_node): Clone also the indirect edges.
514         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
515         indirect_call, dump count of indirect_calls edges.
516         * ipa-prop.c (iinlining_processed_edges): New variable.
517         (ipa_note_param_call): Create indirect edges instead of
518         creating notes.  New parameter node.
519         (ipa_analyze_call_uses): New parameter node, pass it on to
520         ipa_note_param_call.
521         (ipa_analyze_stmt_uses): Likewise.
522         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
523         (print_edge_addition_message): Work on edges rather than on notes.
524         (update_call_notes_after_inlining): Likewise, renamed to
525         update_indirect_edges_after_inlining.
526         (ipa_create_all_structures_for_iinln): New function.
527         (ipa_free_node_params_substructures): Do not free notes.
528         (ipa_edge_duplication_hook): Propagate bits within
529         iinlining_processed_edges bitmap.
530         (ipa_node_duplication_hook): Do not duplicate notes.
531         (free_all_ipa_structures_after_ipa_cp): Renamed to
532         ipa_free_all_structures_after_ipa_cp.
533         (free_all_ipa_structures_after_iinln): Renamed to
534         ipa_free_all_structures_after_iinln.g
535         (ipa_write_param_call_note): Removed.
536         (ipa_read_param_call_note): Removed.
537         (ipa_write_indirect_edge_info): New function.
538         (ipa_read_indirect_edge_info): Likewise.
539         (ipa_write_node_info): Do not stream notes, do stream information
540         in indirect edges.
541         (ipa_read_node_info): Likewise.
542         (lto_ipa_fixup_call_notes): Removed.
543         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
544         * ipa-inline.c (pass_ipa_inline): Likewise.
545         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
546         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
547         * tree-inline.c (copy_bb): Removed an unnecessary double check for
548         is_gimple_call.
549         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
550         edges.
551         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
552         (output_cgraph): Stream also indirect edges.
553         (lto_output_edge): Added capability to stream indirect edges.
554         (input_edge): Likewise.
555         (input_cgraph_1): Likewise.
556         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
557         of indirect edges.
558
559 2010-04-28  Richard Guenther  <rguenther@suse.de>
560
561         PR tree-optimization/43879
562         PR tree-optimization/43909
563         * tree-ssa-structalias.c (struct variable_info): Add
564         only_restrict_pointers flag.
565         (new_var_info): Initialize it.  Increment stats.total_vars here.
566         (create_function_info_for): Do not increment stats.total_vars
567         here.
568         (get_function_part_constraint): Fix build with C++.
569         (insert_into_field_list): Remove.
570         (push_fields_onto_fieldstack): Properly merge fields.
571         (create_variable_info_for): Split and simplify.
572         (create_variable_info_for_1): New piece.
573         (intra_create_variable_infos): Properly make restrict constraints
574         from parameters.
575
576 2010-04-28  Richard Guenther  <rguenther@suse.de>
577
578         PR c++/43880
579         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
580
581 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
582             Jan Hubicka <hubicka@ucw.cz>
583
584         * doc/invoke.texi (-Wsuggest-attribute=const,
585         -Wsuggest-attribute=pure): Document.
586         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
587         (function_always_visible_to_compiler_p,
588         suggest_attribute, warn_function_pure, warn_function_const):
589         New functions.
590         (check_call): Improve debug info.
591         (analyze_function): Do not check availability.
592         (add_new_function): Check availability.
593         (propagate): Output warnings.
594         (skip_function_for_local_pure_const): New function.
595         (local_pure_const): Use it; output warnings.
596         * common.opt (Wsuggest-attribute=const,
597         Wsuggest-attribute=pure): New.
598
599 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
600
601         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
602         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
603         or DW_CFA_def_cfa_offset{,_sf}.
604
605 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
606
607         * tree.h: Fix truncated long macros.
608
609 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
610
611         * collect2.c (TARGET_64BIT): Redefine to target's default.
612         * tlink.c: Likewise.
613         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
614         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
615         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
616         for underscoring __USER_LABEL_PREFIX__.
617         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
618         (SUB_LINK_ENTRY32): New.
619         (SUB_LINK_ENTRY64): New.
620         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
621         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
622         (SUB_LINK_ENTRY64): New.
623         (SUB_LINK_ENTRY): New.
624         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
625         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
626         x64 target is choosen.
627         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
628         * configure: Regenerated.
629         * configure.ac (leading-mingw64-underscores): Option added.
630
631 2010-04-27  Jan Hubicka  <jh@suse.cz>
632
633         * doc/invoke.texi (-fipa-profile): Document.
634         * opts.c (decode_options): Enable ipa-profile at -O1.
635         * timevar.def (TV_IPA_PROFILE): Define.
636         * common.opt (fipa-profile): Add.
637         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
638         flag for clones.
639         (cgraph_propagate_frequency): Handle only local ones.
640         * tree-pass.h (pass_ipa_profile): Declare.
641         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
642         (pass_ipa_profile): Use TV_IPA_PROFILE.
643         * ipa.c (ipa_profile): New function.
644         (gate_ipa_profile): Likewise.
645         (pass_ipa_profile): New global variable.
646         * passes.c (pass_ipa_profile): New.
647
648 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
649
650         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
651
652 2010-04-27  Martin Jambor  <mjambor@suse.cz>
653
654         PR middle-end/43812
655         * ipa.c (dissolve_same_comdat_group_list): New function.
656         (function_and_variable_visibility): Call
657         dissolve_same_comdat_group_list when comdat group contains external or
658         newly local nodes.
659         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
660         lists are circular and that they contain only DECL_ONE_ONLY nodes.
661
662 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
663
664         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
665         (const_hash_1) <VECTOR_CST>: New case.
666         (compare_constant) <VECTOR_CST>: Likewise.
667         <ADDR_EXPR>: Deal with LABEL_REFs.
668         (copy_constant) <VECTOR_CST>: New case.
669
670 2010-04-27  Jan Hubicka  <jh@suse.cz>
671
672         * cgraph.c (cgraph_propagate_frequency): New function.
673         * cgraph.h (cgraph_propagate_frequency): Declare.
674         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
675         cgraph_propagate_frequency.
676
677 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
678
679         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
680
681 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
682
683         PR target/40657
684         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
685         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
686         here to determine which regs to push and how much stack to reserve.
687
688 2010-04-27  Jie Zhang  <jie@codesourcery.com>
689
690         * doc/gimple.texi (gimple_statement_with_ops): Remove
691         addresses_taken field.
692         (gimple_statement_with_memory_ops): Likewise.
693
694 2010-04-27  Jan Hubicka  <jh@suse.cz>
695
696         * tree-inline.c (eni_inlining_weights): Remove.
697         (estimate_num_insns): Special case more builtins.
698
699 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
700
701         PR c/32207
702         * c-typeck.c (build_binary_op): Move forward check for comparison
703         pointer with null pointer constant and adjust the diagnostic message.
704
705 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
706
707         PR lto/42776
708         * configure.ac (gcc_cv_as_section_has_align): Set if installed
709         binutils supports extended .section directive needed by LTO, or
710         warn if older binutils found.
711         (LTO_BINARY_READER): New AC_SUBST'd variable.
712         (LTO_USE_LIBELF): Likewise.
713         * gcc/config.gcc (lto_binary_reader): New target-specific configure
714         variable.
715         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
716         (LTO_USE_LIBELF): Likewise.
717         * configure: Regenerate.
718
719         * collect2.c (is_elf): Rename from this ...
720         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
721          object files in addition to ELF-formatted ones.
722         (scan_prog_file): Caller updated.  Also allow for LTO info marker
723         symbol to be prefixed or not by an extra underscore.
724
725         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
726         * config/i386/winnt.c: Also #include lto-streamer.h
727         (i386_pe_asm_named_section): Specify 1-byte section alignment for
728         LTO named sections.
729         (i386_pe_asm_output_aligned_decl_common): Add comment.
730         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
731
732 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
733
734         PR target/43889
735         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
736         Add missing earlyclobber for second alternative.
737
738 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
739
740         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
741         bits for artificial defs at the top of the block.
742         * fwprop.c (single_def_use_enter_block): Don't call it.
743
744 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
745
746         PR 43715
747         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
748         instead of "$gcc_cv_objdump -T".
749         Use "-undefined dynamic_lookup" on darwin.
750         * gcc/configure: Regenerate.
751
752 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
753
754         PR c/43893
755         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
756
757 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
758
759         * c-parser.c (struct c_token): Move location field up.
760         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
761         (struct c_declspecs): Convert typespec_word, storage_class, and
762         default_int_p into bitfields.
763         (struct c_declarator): Move loc field up.
764
765 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
766
767         * cfgloop.h (struct loop): Move can_be_parallel field up.
768         * ipa-prop.h (struct ip_node_params): Move bitfields up.
769         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
770         down.
771         (struct iv_cand): Convert pos field into a bitfield.
772         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
773         field up.
774         (struct _stmt_vec_info): Shuffle fields for better packing.
775
776 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
777
778         * varasm.c (IN_NAMED_SECTION): Remove guard.
779         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
780         (IN_NAMED_SECTION_P): ...this.
781         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
782         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
783
784 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
785
786         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
787         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
788         of shadowing it.  Fix comments.
789
790 2010-04-26  Jan Hubicka  <jh@suse.cz>
791
792         * cgraph.c (cgraph_create_node): Set node frequency to normal.
793         (cgraph_clone_node): Copy function frequency.
794         * cgraph.h (node_frequency): New enum
795         (struct cgraph_node): Add.
796         * final.c (rest_of_clean_state): Update.
797         * lto-cgraph.c (lto_output_node): Output node frequency.
798         (input_overwrite_node): Input node frequency.
799         * tre-ssa-loop-ivopts (computation_cost): Update.
800         * lto-streamer-out.c (output_function): Do not output function
801         frequency.
802         * predict.c (maybe_hot_frequency_p): Update and handle functions
803         executed once.
804         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
805         attribute lookup.
806         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
807         (compute_function_frequency): Set noreturn functions to be executed
808         once.
809         (choose_function_section): Update.
810         * lto-streamer-in.c (input_function): Do not input function frequency.
811         * function.c (allocate_struct_function): Do not initialize function
812         frequency.
813         * function.h (function_frequency): Remove.
814         (struct function): Remove function frequency.
815         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
816         (try_update): Update.
817         * tree-inline.c (initialize_cfun): Do not update function frequency.
818         * passes.c (pass_init_dump_file): Update.
819         * i386.c (ix86_compute_frame_layout): Update.
820         (ix86_pad_returns): Update.
821
822 2010-04-26  Jie Zhang  <jie@codesourcery.com>
823
824         PR tree-optimization/43833
825         * tree-vrp.c (range_int_cst_p): New.
826         (range_int_cst_singleton_p): New.
827         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
828         when both operands are constants.  Use range_int_cst_p in
829         BIT_IOR_EXPR case.
830
831 2010-04-26  Jan Hubicka  <jh@suse.cz>
832
833         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
834
835 2010-04-26  Richard Guenther  <rguenther@suse.de>
836
837         PR lto/43080
838         * gimple.c (gimple_decl_printable_name): Deal gracefully
839         with a NULL DECL_NAME.
840
841 2010-04-26  Richard Guenther  <rguenther@suse.de>
842
843         PR lto/42425
844         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
845         if emitting debug information and it is either a function
846         or a namespace decl.
847
848 2010-04-26  Ira Rosen  <irar@il.ibm.com>
849
850         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
851         determine if the statement is vectorizable, and a macro to access it.
852         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
853         Skip statements that can't be vectorized. If the analysis fails,
854         mark the statement as unvectorizable if vectorizing basic block.
855         (vect_compute_data_refs_alignment): Likewise.
856         (vect_verify_datarefs_alignment): Skip statements marked as
857         unvectorizable. Add print.
858         (vect_analyze_group_access): Skip statements that can't be
859         vectorized. If the analysis fails, mark the statement as
860         unvectorizable if vectorizing basic block.
861         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
862         * tree-vect-stmts.c (vectorizable_store): Fix the number of
863         generated stmts for SLP.
864         (new_stmt_vec_info): Initialize the new field.
865         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
866         statements marked as unvectorizable.
867
868 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
869
870         * c-common.c (flag_isoc1x): New.
871         (flag_isoc99): Update comment.
872         * c-common.h (flag_isoc1x): New.
873         (flag_isoc99): Update comment.
874         * c-cppbuiltin.c (builtin_define_float_constants): Also define
875         __<type>_DECIMAL_DIG__.
876         * c-opts.c (set_std_c1x): New.
877         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
878         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
879         * c.opt (-std=c1x, -std=gnu1x): New options.
880         * doc/cpp.texi: Mention -std=c1x.
881         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
882         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
883         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
884         * doc/standards.texi: Mention C1X.
885         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
886         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
887         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
888         Define for C1X.
889
890 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
891
892         * config/i386/gmon-sol2.c (_mcleanup): Change format string
893         placeholder from 0x%x to %#x.
894         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
895         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
896         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
897         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
898         * config/i386/i386.c (ix86_target_string): Ditto.
899         (output_pic_addr_const): Ditto.
900         (print_operand): Ditto.
901
902 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
903
904         * combine.c (find_split_point): Add third argument.  Use it
905         to find nested multiply-accumulate instructions.  Adjust calls.
906         (try_combine): Adjust call to find_split_point.
907
908 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
909
910         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
911
912 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
913
914         PR tree-optimization/41442
915         * fold-const.c (merge_truthop_with_opposite_arm): New function.
916         (fold_binary_loc): Call it.
917
918 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
919
920         * toplev.c (general_init): Set default for fdiagnostics-show-option.
921         * opts.c (common_handle_option): Allow disabling it.
922         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
923
924 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
925
926         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
927         between modes if both types are integral.
928
929 2010-04-23  Richard Guenther  <rguenther@suse.de>
930
931         PR tree-optimization/43572
932         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
933
934 2010-04-23  Richard Guenther  <rguenther@suse.de>
935
936         PR lto/43455
937         * tree-inline.c (tree_can_inline_p): Also check compatibility
938         of return types.
939
940 2010-04-23  Martin Jambor  <mjambor@suse.cz>
941
942         PR tree-optimization/43846
943         * tree-sra.c (struct access): New flag grp_assignment_read.
944         (build_accesses_from_assign): Set grp_assignment_read.
945         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
946         (enum mark_read_status): New type.
947         (analyze_access_subtree): Propagate grp_assignment_read, create
948         accesses also if both direct_read and root->grp_assignment_read.
949
950 2010-04-23  Martin Jambor  <mjambor@suse.cz>
951
952         PR middle-end/43835
953         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
954         function does not have type attributes.
955
956 2010-04-23  Richard Guenther  <rguenther@suse.de>
957
958         PR lto/42653
959         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
960         of FUNCTION_DECLs.
961
962 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
963
964         * sese.h (create_if_region_on_edge): Remove.
965
966         * sese.c (create_if_region_on_edge): Make static.
967
968         * tree-inline.c: Do not include ggc.h.
969
970         * expr.c: Do not include ggc.h.
971
972         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
973         dependencies.
974
975 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
976
977         PR target/43744
978         * config/sh/sh.c (find_barrier): Don't emit a constant pool
979         in the middle of insns for casesi_worker_2.
980
981 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
982
983         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
984
985 2010-04-22  Ira Rosen  <irar@il.ibm.com>
986
987         PR tree-optimization/43842
988         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
989         loop unrolling in update of exit phis. Fix comment.
990         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
991         least two reduction statements in the loop before starting SLP
992         analysis.
993
994 2010-04-22  Nick Clifton  <nickc@redhat.com>
995
996         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
997
998 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
999
1000         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1001         to simplify a + ~a.
1002
1003 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1004
1005         * tree-parloops.c (loop_parallel_p): New argument
1006         parloop_obstack.  Pass it down.
1007         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1008         pass it down, free it.
1009
1010         * tree-loop-linear.c (linear_transform_loops): Pass down
1011         lambda_obstack.
1012
1013         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1014         of type struct obstack *.
1015
1016         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1017         scratch_obstack.  Initialize it, pass down, free it.
1018
1019         * lambda.h (lambda_loop_new): Remove.
1020         (lambda_matrix_new, lambda_matrix_inverse)
1021         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1022         argument of type struct obstack *.
1023
1024         * lambda-trans.c (lambda_trans_matrix_new): New argument
1025         lambda_obstack.  Pass it down, use obstack allocation for ret.
1026         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1027         it down.
1028
1029         * lambda-mat.c (lambda_matrix_get_column)
1030         (lambda_matrix_project_to_null): Remove.
1031         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1032         allocation for mat.
1033         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1034         lambda_obstack.
1035
1036         * lambda-code.c (lambda_loop_new): New function.
1037         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1038         (lambda_compute_auxillary_space, lambda_compute_target_space)
1039         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1040         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1041         (build_access_matrix): New argument lambda_obstack.  Use obstack
1042         allocation for am.
1043         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1044         argument lambda_obstack.  Pass it down.
1045
1046 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1047
1048         * optabs.h (expand_widening_mult): Declare.
1049
1050 2010-04-22  Richard Guenther  <rguenther@suse.de>
1051
1052         PR tree-optimization/43845
1053         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1054         lookup the CALL_EXPR function and arguments.
1055
1056 2010-04-22  Nick Clifton  <nickc@redhat.com>
1057
1058         * config/stormy16/stormy16.c
1059         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1060         * config/stormy16/stormy16.h: Tidy up formatting.
1061         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1062         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1063         (ineqbranchsi): Delete pattern.
1064         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1065         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1066         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1067         stormy16-lib2-ucmpsi2.c.
1068
1069 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1070
1071         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1072         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1073         extra set merge_set_noclobber, and use it to relax the final test
1074         slightly.
1075         * df.h (df_simulate_find_noclobber_defs): Declare.
1076         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1077         conditional defs.
1078         (df_simulate_find_noclobber_defs): New function.
1079
1080 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1081
1082         * config/i386/i386.md: Use {} around multi-line preparation statements.
1083
1084 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1085
1086         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1087         (process_init_element): New argument of type struct obstack *.
1088
1089         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1090         (set_init_index, set_init_label, set_nonincremental_init)
1091         (set_nonincremental_init_from_string, find_init_member)
1092         (output_init_element, output_pending_init_elements)
1093         (process_init_element): New argument braced_init_obstack.  Pass it
1094         down.
1095         (push_range_stack, add_pending_init): New argument
1096         braced_init_obstack.  Use obstack allocation.
1097
1098         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1099         braced_init_obstack.  Pass it down.
1100         (c_parser_braced_init): New variables ret, braced_init_obstack.
1101         Initialize obstack, pass it down and finally free it.
1102
1103 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1104
1105         PR middle-end/29274
1106         * tree-pass.h (pass_optimize_widening_mul): Declare.
1107         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1108         gate_optimize_widening_mul): New static functions.
1109         (pass_optimize_widening_mul): New.
1110         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1111         <case MULT_EXPR>: Remove support for widening multiplies.
1112         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1113         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1114         simplify_gen_unary rather than directly building extensions.
1115         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1116         WIDEN_MULT_EXPR.
1117         * expmed.c (expand_widening_mult): New function.
1118         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1119
1120 2010-04-21  Jan Hubicka  <jh@suse.cz>
1121
1122         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1123         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1124         * lto-wpa-fixup.c: Remove.
1125         * Makefile.in (lto-wpa-fixup.o): Remove.
1126         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1127         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1128         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1129
1130 2010-04-21  Jan Hubicka  <jh@suse.cz>
1131
1132         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1133         add write_optimization_summary, read_optimization_summary.
1134         (ipa_write_summaries_of_cgraph_node_set): Remove.
1135         (ipa_write_optimization_summaries): Declare.
1136         (ipa_read_optimization_summaries): Declare.
1137         * ipa-cp.c (pass_ipa_cp): Update.
1138         * ipa-reference.c (pass_ipa_reference): Update.
1139         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1140         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1141         Update.
1142         * ipa-inline.c (pass_ipa_inline): Update.
1143         * ipa.c (pass_ipa_whole_program): Update.
1144         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1145         * passes.c (ipa_write_summaries_1): Do not test wpa.
1146         (ipa_write_optimization_summaries_1): New.
1147         (ipa_write_optimization_summaries): New.
1148         (ipa_read_summaries): Do not test ltrans.
1149         (ipa_read_optimization_summaries_1): New.
1150         (ipa_read_optimization_summaries): New.
1151
1152 2010-04-21  Jan Hubicka  <jh@suse.cz>
1153
1154         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1155         for boundary nodes.
1156         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1157
1158 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1159
1160         PR debug/40040
1161         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1162         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1163
1164 2010-04-21  Jan Hubicka  <jh@suse.cz>
1165
1166         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1167
1168 2010-04-21  Jan Hubicka  <jh@suse.cz>
1169
1170         * varpool.c (decide_is_variable_needed): Variable is always needed
1171         during ltrans.
1172
1173 2010-04-21  Jan Hubicka  <jh@suse.cz>
1174
1175         * opts.c (decode_options): Enable pure-const pass for whopr.
1176
1177 2010-04-21  Jan Hubicka  <jh@suse.cz>
1178
1179         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1180         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1181         at WPA dumping.
1182         (cgraph_decide_inlining): Do not expect callee to be removed in all
1183         cases.
1184
1185 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1186
1187         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1188
1189 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1190
1191         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1192         amdfam10_decode attributes.
1193
1194 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1195
1196         PR middle-end/43570
1197         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1198         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1199         (lower_copyprivate_clauses): Use private var in outer
1200         context instead of original var.  Make sure the types
1201         are correct for VLAs.
1202
1203 2010-04-21  Richard Guenther  <rguenther@suse.de>
1204
1205         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1206         to non-pointer objects.
1207
1208 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1209
1210         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1211         last chain entry if it starts with the still current label.
1212         (add_location_or_const_value_attribute): Check that
1213         loc_list->first->next is NULL instead of comparing ->first with ->last.
1214         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1215         to add_var_loc_to_decl.
1216
1217         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1218         >= 4 add also address size and segment size fields into CIE header.
1219
1220         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1221         long as address size is the same as sizeof (void *) and
1222         segment size is 0.
1223         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1224         address size or segment size is unexpected, return DW_EH_PE_omit.
1225         (classify_object_over_fdes): If get_cie_encoding returned
1226         DW_EH_PE_omit, return -1.
1227         (init_object): If classify_object_over_fdes returned -1,
1228         pretend there were no FDEs at all.
1229
1230 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1231
1232         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1233         bswap{si,di}2 using SWI48 mode iterator.
1234         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1235         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1236         set modrm attribute of bswap insn to 0 and remove length attribute.
1237         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1238         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1239         set mode attribute to <MODE> and remove length attribute.
1240
1241 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1242
1243         PR rtl-optimization/43520
1244         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1245         zero available registers.
1246
1247 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1248
1249         * builtins.c (fold_builtin_cproj): Fold more cases.
1250
1251 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1252
1253         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1254         (fold_builtin_1): Fold builtin cproj.
1255         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1256         Use ATTR_CONST_NOTHROW_LIST.
1257
1258 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1259
1260         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1261         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1262         ffsi2_no_cmove for !TARGET_CMOVE.
1263         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1264         (ffssi2): Remove expander.
1265         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1266         mode iterator.
1267         (ctz<mode>2): Ditto from ctz{si,di}2.
1268         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1269         mode iterator.
1270         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1271         mode iterator.
1272
1273 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1274
1275         * dwarf2out.c (AT_linkage_name): Define.
1276         (clone_as_declaration): Handle DW_AT_linkage_name.
1277         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1278         of DW_AT_MIPS_linkage_name.
1279         (move_linkage_attr): Likewise.
1280         (dwarf2out_finish): Likewise.
1281
1282 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1283
1284         PR middle-end/41952
1285         * fold-const.c (fold_comparison): New folding rule.
1286
1287 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1288
1289         * double-int.h (double_int_setbit): Declare.
1290         * double-int.c (double_int_setbit): New function.
1291         * rtl.h (immed_double_int_const): Declare.
1292         * emit-rtl.c (immed_double_int_const): New function.
1293         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1294         and immed_double_int_const functions.
1295         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1296         expand_copysign_bit):  (Ditto.).
1297         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1298         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1299         * dojump.c (prefer_and_bit_test): (Ditto.).
1300         * expr.c (convert_modes, reduce_to_bit_field_precision,
1301         const_vector_from_tree): (Ditto.).
1302         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1303
1304 2010-04-20  Jan Hubicka  <jh@suse.cz>
1305
1306         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1307         (dump_cgraph_node): Dump new flags.
1308         * cgraph.h (struct cgraph_node): Add flags
1309         reachable_from_other_partition and in_other_partition.
1310         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1311         other partition can not be removed.
1312         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1313         the other partition must be output; silence sanity checking on
1314         leaking functions bodies from other paritition.
1315         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1316         (lto_output_node): Output new flags; do not sanity check that inline
1317         clones are output; drop lto_forced_extern_inline_p code; do not mock
1318         visibility flags at partition boundaries.
1319         (add_node_to): New function.
1320         (output_cgraph): Use it to sort functions so masters appear before
1321         clones.
1322         (input_overwrite_node): Input new flags.
1323         * passes.c (ipa_write_summaries): Do not call
1324         lto_new_extern_inline_states.
1325         * lto-section-out.c (forced_extern_inline,
1326         lto_new_extern_inline_states lto_delete_extern_inline_states,
1327         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1328         * lto-streamer.h (lto_new_extern_inline_states,
1329         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1330         lto_forced_extern_inline_p): Kill.
1331
1332 2010-04-20  Richard Guenther  <rguenther@suse.de>
1333
1334         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1335         from vars that can have pointers.
1336         (process_constraint): Dump useless constraints.
1337
1338 2010-04-20  Richard Guenther  <rguenther@suse.de>
1339
1340         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1341         (dump_sa_points_to_info): Remove asserts.
1342         (init_base_vars): nothing_id isn't an escape point nor does it
1343         have pointers.
1344
1345 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1346
1347         * tree.h (TYPE_REF_IS_RVALUE): Define.
1348         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1349         should_move_die_to_comdat, prune_unused_types_walk): Handle
1350         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1351         (modified_type_die, gen_reference_type_die): Emit
1352         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1353         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1354
1355 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1356
1357         PR target/43635
1358         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1359         calls for -fpic -m31 if they have been sibcall optimized.
1360
1361 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1362
1363         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1364         ar.lc fixed and call-used.
1365
1366         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1367
1368 2010-04-19  Jan Hubicka  <jh@suse.cz>
1369
1370         * opts.c (decode_options): Disable whpr incompatible passes.
1371         * lto/lto.c (lto_1_to_1_map): Skip clones.
1372         (read_cgraph_and_symbols): Do not mark everything as needed.
1373         (do_whole_program_analysis): Do map only after optimizing;
1374         set proper cgraph_state; use passmanager.
1375
1376 2010-04-19  DJ Delorie  <dj@redhat.com>
1377
1378         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1379         POINTER_PLUS_EXPR and fix them.
1380
1381 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1382
1383         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1384         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1385         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1386         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1387         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1388         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1389         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1390         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1391         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1392         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1393         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1394
1395 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1396
1397         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1398         (check_cond_move_block): Likewise.
1399         (cond_move_process_if_block): Likewise.
1400         (noce_find_if_block): Improve formatting.
1401         (find_if_header): Pass 0 to memset and tweak conditions.
1402         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1403
1404 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1405
1406         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1407         for -gdwarf-4.
1408
1409         PR middle-end/43337
1410         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1411         with non-local decl doesn't need chain.
1412
1413 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1414
1415         * ira-color.c (allocno_reload_assign): Avoid accumulating
1416         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1417
1418 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1419
1420         * gimple.h (create_tmp_reg): Declare.
1421         * gimplify.c (create_tmp_reg): New function.
1422         (gimplify_return_expr): Use create_tmp_reg.
1423         (gimplify_omp_atomic): Likewise.
1424         (gimple_regimplify_operands): Likewise.
1425         * tree-dfa.c (make_rename_temp): Likewise.
1426         * tree-predcom.c (predcom_tmp_var): Likewise.
1427         (reassociate_to_the_same_stmt): Likewise.
1428         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1429         (get_replaced_param_substitute): Likewise.
1430         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1431         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1432         * tree-ssa-pre.c (get_representative_for): Likewise.
1433         (create_expression_by_pieces): Likewise.
1434         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1435         (create_tailcall_accumulator): Likewise.
1436
1437 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1438
1439         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1440         new_stmt.
1441         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1442
1443 2010-04-19  Richard Guenther  <rguenther@suse.de>
1444
1445         PR tree-optimization/43796
1446         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1447         from SCEV in the lattice.
1448         (vrp_visit_phi_node): Dump change.
1449
1450 2010-04-19  Richard Guenther  <rguenther@suse.de>
1451
1452         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1453         * configure: Re-generated.
1454
1455 2010-04-19  Richard Guenther  <rguenther@suse.de>
1456
1457         PR tree-optimization/43783
1458         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1459         constant ARRAY_REF operands two and three if possible.
1460
1461 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1462
1463         PR target/43766
1464         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1465
1466 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1467
1468         PR target/43662
1469         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1470
1471 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1472
1473         PR tree-optimization/37027
1474         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1475         and macro to access it.
1476         (vectorizable_reduction): Add argument.
1477         (vect_get_slp_defs): Likewise.
1478         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1479         statements for possible use in SLP.
1480         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1481         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1482         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1483         add new argument.
1484         (vectorizable_reduction): Likewise.
1485         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1486         vect_get_slp_defs.
1487         (vectorizable_type_demotion, vectorizable_type_promotion,
1488         vectorizable_store): Likewise.
1489         (vect_analyze_stmt): Update call to vectorizable_reduction.
1490         (vect_transform_stmt): Likewise.
1491         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1492         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1493         from different interleaving chains in same node.
1494         (vect_slp_rearrange_stmts): New function.
1495         (vect_supported_load_permutation_p): Allow load permutations for
1496         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1497         inside SLP nodes if necessary.
1498         (vect_analyze_slp_instance): Handle reductions.
1499         (vect_analyze_slp): Try to build SLP instances originating from groups
1500         of reductions.
1501         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1502         (vect_get_constant_vectors): Create initial vectors for reductions
1503         according to reduction code. Add new argument.
1504         (vect_get_slp_defs): Add new argument, pass it to
1505         vect_get_constant_vectors.
1506         (vect_schedule_slp_instance): Remove SLP tree root statements.
1507
1508 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1509
1510         * tree.h (ENUM_IS_SCOPED): Define.
1511         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1512         for ENUM_IS_SCOPED enums.
1513
1514 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1515
1516         * fold-const.c (fold_comparison): Use ssizetype.
1517         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1518         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1519         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1520         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1521
1522         * tree.h (initialize_sizetypes): Remove parameter.
1523         (build_common_tree_nodes): Remove second parameter.
1524         * stor-layout.c (initialize_sizetypes): Remove parameter.
1525         Always create an unsigned type.
1526         (set_sizetype): Assert that the passed type is unsigned and simplify.
1527         * tree.c (build_common_tree_nodes): Remove second parameter.
1528         Adjust call to initialize_sizetypes.
1529         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1530         build_common_tree_nodes.
1531
1532 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1533
1534         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1535
1536 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1537
1538         PR tree-optimization/43771
1539         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1540         load permutation doesn't have gaps.
1541
1542 2010-04-18  Jan Hubicka  <jh@suse.cz>
1543
1544         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1545         (sse_prologue_save_insn expander): Use new pattern.
1546         (sse_prologue_save_insn1): New pattern and splitter.
1547         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1548         blocks.
1549         * i386.c (setup_incoming_varargs_64): Do not compute jump
1550         destination here.
1551         (ix86_gimplify_va_arg): Update alignment needed.
1552         (ix86_local_alignment): Do not align all local arrays to 128bit.
1553
1554 2010-04-17  Jan Hubicka  <jh@suse.cz>
1555
1556         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1557
1558 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1559
1560         * arm.md (negdi2): Remove redundant code to force values into a
1561         register.
1562
1563 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1564
1565         * arm/bpabi.S: Add EABI alignment attributes to objects.
1566         * arm/bpabi-v6m.S: Likewise.
1567         * arm/crti.asm: Likewise.
1568         * arm/crtn.asm: Likewise.
1569         * arm/lib1funcs.asm: Likewise.
1570         * arm/libunwind.S: Likewise.
1571
1572 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1573
1574         * arm-protos.h (tune_params): New structure.
1575         * arm.c (current_tune): New variable.
1576         (arm_constant_limit): Delete.
1577         (struct processors): Add pointer to the tune parameters.
1578         (arm_slowmul_tune): New tuning option.
1579         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1580         (all_cores): Adjust to pick up the tuning model.
1581         (arm_constant_limit): New function.
1582         (arm_override_options): Select the appropriate tuning model.  Delete
1583         initialization of arm_const_limit.
1584         (arm_split_constant): Use the new constant-limit model.
1585         (arm_rtx_costs): Pick up the current tuning model.
1586         * arm.md (is_strongarm, is_xscale): Delete.
1587         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1588         for Xscale variant architectures.
1589         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1590
1591 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1592
1593         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1594         can_shift.
1595         (arm_rtx_costs_1): Remove unused variable extra_cost.
1596         (arm_unwind_emit_set): Use variable offset.
1597         (thumb1_output_casesi): Remove unused variable flags.
1598
1599 2010-04-16  Jeff Law  <law@redhat.com>
1600
1601         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1602         needing assignment rather than doing a two-phase assignment.  Remove
1603         unused variable 'm'.
1604
1605 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1606
1607         PR bootstrap/43767
1608         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1609
1610 2010-04-16  Doug Kwan  <dougkwan@google.com>
1611
1612         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1613         (next_operand_entry_id): New static variable.
1614         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1615         (add_to_ops_vec): Assigned unique ID to operand entry.
1616         (struct oecount_s): New field ID.
1617         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1618         (undistribute_ops_list): Assign unique IDs to oecounts.
1619         (init_reassoc): reset next_operand_entry_id.
1620
1621 2010-04-16  Doug Kwan  <dougkwan@google.com>
1622
1623         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1624         missing left parenthesis.
1625
1626 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1627
1628         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1629         *btdi_rex64 using SWI48 mode iterator.
1630         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1631         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1632         *jcc_btdi_mask_rex64.
1633
1634 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1635
1636         * double-int.h (tree_to_double_int): Convert to macro.
1637         * double-int.c (tree_to_double_int): Remove.
1638
1639 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1640
1641         PR debug/43762
1642         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1643         with want_address 2 and in case a single element list might be
1644         possible, call it again with want_address 0.
1645
1646 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1647
1648         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1649         case 'W' print operands for HI mode.
1650         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1651         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1652         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1653         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1654
1655         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1656
1657         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1658         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1659         #xx:3 and #xx:4 mode.
1660
1661         * config/h8300/h8300.md (inverted load with HImode dest): Add
1662         support for H8300SX.
1663
1664         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1665         satisfy 'U' constraint.
1666
1667 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1668
1669         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1670         * configure: Regenerate.
1671         * config.in: Regenerate.
1672         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1673         works.
1674
1675 2010-04-16  Richard Guenther  <rguenther@suse.de>
1676
1677         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1678         (struct tree_decl_common): ... here.
1679         (DECL_PT_UID): Adjust.
1680         (SET_DECL_PT_UID): Likewise.
1681         (DECL_PT_UID_SET_P): Likewise.
1682
1683 2010-04-16  Richard Guenther  <rguenther@suse.de>
1684
1685         PR tree-optimization/43572
1686         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1687         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1688         * tree-flow.h (is_call_clobbered): Remove.
1689         * tree-flow-inline.h (is_call_clobbered): Likewise.
1690         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1691         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1692         (execute_return_slot_opt): Adjust.
1693         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1694         check for call clobbered vars here.
1695         (find_tail_calls): Move tailcall verification to the
1696         proper place.
1697
1698 2010-04-16  Diego Novillo  <dnovillo@google.com>
1699
1700         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1701
1702 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1703
1704         PR target/40603
1705         * config/arm/arm.md (cbranchqi4): New pattern.
1706         * config/arm/predicates.md (const0_operand,
1707         cbranchqi4_comparison_operator): New predicates.
1708
1709 2010-04-16  Richard Guenther  <rguenther@suse.de>
1710
1711         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1712         (dump_gimple_stmt): Likewise.
1713
1714 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1715
1716         * recog.h (struct recog_data): New field is_operator.
1717         (struct insn_operand_data): New field is_operator.
1718         * recog.c (extract_insn): Set recog_data.is_operator.
1719         * genoutput.c (output_operand_data): Emit code to set the
1720         is_operator field.
1721         * reload.c (find_reloads): Use it rather than testing for an
1722         empty constraint string.
1723
1724         PR target/41514
1725         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1726         If the previous insn is a cbranchsi4_insn with the same arguments,
1727         omit the compare instruction.
1728
1729         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1730         register, inputs must be low registers and we need a low register
1731         scratch.  Handle alternative 2 like alternative 3.
1732
1733 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1734
1735         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1736         don't call get_addr on both.  If one expression is a VALUE and
1737         the other a REG, check VALUE's locs if the REG isn't among them.
1738
1739 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1740
1741         * config/sh/sh.h (sh_frame_pointer_required): New function.
1742         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1743         (flag_omit_frame_pointer) Set.
1744         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1745         (rounded_frame_size): Adjust size with outgoing_args_size.
1746         (sh_set_return_address): Must return from stack pointer.
1747         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1748         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1749         (ACCUMULATE_OUTGOING_ARGS): Define.
1750         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1751         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1752
1753 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1754
1755         PR target/43471
1756         * config/sh/sh.c (sh_legitimize_reload_address): Use
1757         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1758         Remove a unneeded check for offset_base.
1759
1760 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1761
1762         * configure: Regenerated.
1763
1764 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1765
1766         * config/s390/s390.c (s390_call_save_register_used): Switch back
1767         to HARD_REGNO_NREGS.
1768
1769 2010-04-15  Richard Guenther  <rguenther@suse.de>
1770
1771         * alias.c (alias_set_subset_of): Handle alias-set zero
1772         child properly.
1773
1774 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1775             Julian Brown  <julian@codesourcery.com>
1776
1777         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1778         alternatives according to use of high and low regs.
1779         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1780         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1781         optimizing for size on Thumb-2.
1782
1783 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1784
1785         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1786
1787 2010-04-15  Richard Guenther  <rguenther@suse.de>
1788
1789         * tree-ssa-structalias.c (struct variable_info): Add
1790         is_fn_info flag.
1791         (new_var_info): Initialize it.
1792         (dump_constraints): Support printing last added constraints.
1793         (debug_constraints): Adjust.
1794         (dump_constraint_graph): Likewise.
1795         (make_heapvar_for): Check for NULL cfun.
1796         (get_function_part_constraint): New function.
1797         (get_fi_for_callee): Likewise.
1798         (find_func_aliases): Properly implement IPA PTA constraints.
1799         (process_ipa_clobber): New function.
1800         (find_func_clobbers): Likewise.
1801         (insert_into_field_list_sorted): Remove.
1802         (create_function_info_for): Properly allocate vars for IPA mode.
1803         Do not use insert_into_field_list_sorted.
1804         (create_variable_info_for): Properly generate constraints for
1805         global vars in IPA mode.
1806         (dump_solution_for_var): Always dump the solution.
1807         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1808         (find_what_var_points_to): Adjust.
1809         (pt_solution_set): Change.
1810         (pt_solution_ior_into): New function.
1811         (pt_solution_empty_p): Export.
1812         (pt_solution_includes_global): Adjust.
1813         (pt_solution_includes_1): Likewise.
1814         (pt_solutions_intersect_1): Likewise.
1815         (dump_sa_points_to_info): Check some invariants.
1816         (solve_constraints): Move constraint dumping ...
1817         (compute_points_to_sets): ... here.
1818         (ipa_pta_execute): ... and here.
1819         (compute_may_aliases): Do not re-compute points-to info
1820         locally if IPA info is available.
1821         (ipa_escaped_pt): New global var.
1822         (ipa_pta_execute): Properly implement IPA PTA.
1823         * tree-into-ssa.c (dump_decl_set): Support dumping
1824         decls not in referenced-vars.
1825         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1826         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1827         (dump_points_to_solution): Likewise.
1828         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1829         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1830         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1831         (copy_decl_to_var): Copy DECL_PT_UID.
1832         (copy_result_decl_to_var): Likewise.
1833         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1834         (copy_node_stat): Copy it.
1835         * tree.h (DECL_PT_UID): New macro.
1836         (SET_DECL_PT_UID): Likewise.
1837         (DECL_PT_UID_SET_P): Likewise.
1838         (struct tree_decl_minimal): Add pt_uid member.
1839         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1840         (pt_solution_empty_p): Declare.
1841         (pt_solution_set): Adjust.
1842         (ipa_escaped_pt): Declare.
1843         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1844         * gimple-pretty-print.c (pp_points_to_solution): New function.
1845         (dump_gimple_call): Dump call clobber/use information.
1846         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1847         * tree-pass.h (TDF_ALIAS): New dump option.
1848         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1849         * doc/invoke.texi (-fipa-pta): Update documentation.
1850
1851 2010-04-15  Richard Guenther  <rguenther@suse.de>
1852
1853         * Makefile.in (OBJS-common): Add gimple-fold.o.
1854         (gimple-fold.o): New rule.
1855         * tree.h (maybe_fold_offset_to_reference,
1856         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1857         prototypes ...
1858         * gimple.h: ... here.
1859         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1860         may_propagate_address_into_dereference): Move prototypes ...
1861         * gimple.h: ... here.
1862         * tree-ssa-ccp.c (get_symbol_constant_value,
1863         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1864         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1865         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1866         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1867         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1868         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1869         gimplify_and_update_call_from_tree): Move ...
1870         * gimple-fold.c: ... here.  New file.
1871         (ccp_fold_builtin): Rename to ...
1872         (gimple_fold_builtin): ... this.
1873         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1874
1875 2010-04-15  Richard Guenther  <rguenther@suse.de>
1876
1877         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1878         fit_double_type, force_fit_type_double, add_double_with_sign,
1879         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1880         lrotate_double, rrotate_double, div_and_round_double): Move ...
1881         * double-int.c: ... here.
1882         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1883         add_double, neg_double, mul_double_with_sign, mul_double,
1884         lshift_double, rshift_double, lrotate_double, rrotate_double,
1885         div_and_round_double): Move prototypes ...
1886         * double-int.h: ... here.
1887
1888 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1889
1890         PR target/43742
1891         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1892         matching constraints to ensure inputs match the output.
1893
1894 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1895
1896         PR target/43742
1897         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1898         in an input-only operand.
1899
1900 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1901
1902         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1903         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1904         (double_int_negative_p): Convert to static inline function.
1905         * double-int.c (double_int_lshift, double_int_lshift): New functions.
1906         (double_int_negative_p): Remove.
1907         * tree.h (lshift_double, rshift_double):
1908         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1909         * fold-const.c (fold_convert_const_int_from_real,
1910         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1911         (lshift_double): Change type of arith argument to bool.
1912         (rshift_double): Change type of arith argument to bool. Correct
1913         comment.
1914         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1915
1916 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1917
1918         PR target/21803
1919         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1920         at the start and end of the then/else blocks, and omit them from the
1921         conversion.
1922         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
1923         argument; all callers changed.  Pass zero to old_insns_match_p instead.
1924         (flow_find_head_matching_sequence): New function.
1925         (old_insns_match_p): Check REG_EH_REGION notes for calls.
1926         * basic-block.h (flow_find_cross_jump,
1927         flow_find_head_matching_sequence): Declare functions.
1928
1929 2010-04-14  Jason Merrill  <jason@redhat.com>
1930
1931         PR c++/36625
1932         * c-common.c (attribute_takes_identifier_p): New fn.
1933         * c-common.h: Declare it.
1934
1935 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1936
1937         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1938         splitter condition.
1939         (*udivmod<mode>4): Ditto.
1940
1941 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1942
1943         * config/i386/i386.md (maxmin_int): Rename code attribute from
1944         maxminiprefix and update all users.
1945         (maxmin_float): Ditto from maxminfprefix.
1946         (logic): Ditto from logicprefix.
1947         (absneg_mnemonic): Ditto from absnegprefix.
1948         * config/i386/mmx.md: Update all users of maxminiprefix,
1949         maxminfprefix and logicprefix for rename.
1950         * config/i386/sse.md: Ditto.
1951         * config/i386/sync.md (sync_<code><mode>): Update for
1952         logicprefix rename.
1953
1954 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1955
1956         PR 42966
1957         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1958         warnings converted to errors.
1959
1960 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1961
1962         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1963         used insn_type variable.
1964         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1965         to avoid set-but-not-used warning.
1966
1967 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
1968
1969         * df-core.c (df_ref_debug): Change format string placeholder
1970         from 0x%x to %#x.
1971         * dwarf2asm.c (dw2_asm_output_data_raw,
1972         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1973         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1974         * dwarf2out.c (output_cfi, output_cfi_directive,
1975         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1976         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1977         Ditto.
1978         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1979         * print-rtl.c (print_rtx): Ditto.
1980
1981 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
1982
1983         PR middle-end/42694
1984         * builtins.c (expand_builtin_pow_root): New function to expand pow
1985         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1986         series of sqrt and cbrt calls under -ffast-math.
1987         (expand_builtin_pow): Call it.
1988
1989 2010-04-14  Michael Matz  <matz@suse.de>
1990
1991         PR tree-optimization/42963
1992         * tree-cfg.c (touched_switch_bbs): New static variable.
1993         (group_case_labels_stmt): New function broken out from ...
1994         (group_case_labels): ... here, use the above.
1995         (start_recording_case_labels): Allocate touched_switch_bbs.
1996         (end_recording_case_labels): Deallocate it, call
1997         group_case_labels_stmt.
1998         (gimple_redirect_edge_and_branch): Remember index of affected BB.
1999
2000 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2001
2002         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2003         from insn template.
2004
2005 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2006
2007         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2008
2009 2010-04-13  Jan Hubicka  <jh@suse.cz>
2010
2011         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2012         of optimized out static functions.
2013         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2014         cost computation.  Also sanity check for overflows.
2015         (update_caller_keys): Update cgraph_edge_badness call; properly
2016         update fibheap and sanity check that it is up to date.
2017         (add_new_edges_to_heap): Update cgraph_edge_badness.
2018         (cgraph_decide_inlining_of_small_function): Likewise;
2019         add sanity checking that badness in heap is up to date;
2020         improve dumping of reason; Update badness of calls to the
2021         offline copy of function currently inlined; dump badness
2022         of functions not inlined because of unit growth limits.
2023
2024 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2025
2026         PR middle-end/32628
2027         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2028         because of sign-extension change when converting to sizetype here...
2029         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2030
2031         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2032         the folding to constants.  Remove redundant final conversion.
2033         (fold_binary) <associate>: Do not associate if the re-association of
2034         constants alone overflows.
2035         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2036         to the end of the list.
2037         (multiple_of_p) <COND_EXPR>: New case.
2038
2039 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2040
2041         * opt-functions.awk (opt_sanitized_name): New.
2042         (opt_enum): New.
2043         * optc-gen.awk: Use it
2044         * opth-gen.awk: Use it.
2045
2046 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2047
2048         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2049         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2050         children.  Call replace_uses_with_default_def_ssa_name to handle
2051         SSA_NAES on lhs.
2052
2053 2010-04-13  Michael Matz  <matz@suse.de>
2054
2055         PR middle-end/43730
2056         * builtins.c (expand_builtin_interclass_mathfn): Also create
2057         a register if the predicate doesn't match.
2058
2059 2010-04-13  Diego Novillo  <dnovillo@google.com>
2060
2061         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2062         * c-pch.c: Include timevar.h.
2063         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2064         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2065         * ggc-common.c: Include timevar.h.
2066         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2067         * timevar.def (TV_PCH_SAVE): Define.
2068         (TV_PCH_CPP_SAVE): Define.
2069         (TV_PCH_PTR_REALLOC): Define.
2070         (TV_PCH_PTR_SORT): Define.
2071         (TV_PCH_RESTORE): Define.
2072         (TV_PCH_CPP_RESTORE): Define.
2073
2074 2010-04-13  Michael Matz  <matz@suse.de>
2075
2076         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2077         into MINUS_EXPRs.
2078         (can_reassociate_p): New function.
2079         (break_up_subtract_bb, reassociate_bb): Use it.
2080
2081 2010-04-13  Richard Guenther  <rguenther@suse.de>
2082
2083         PR bootstrap/43737
2084         * builtins.c (c_readstr): Fix assert.
2085
2086 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2087
2088         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2089         when generating cltd insn.
2090
2091         (*ashl<mode>3_1): Remove special handling for register operand 2.
2092         (*ashlsi3_1_zext): Ditto.
2093         (*ashlhi3_1): Ditto.
2094         (*ashlhi3_1_lea): Ditto.
2095         (*ashlqi3_1): Ditto.
2096         (*ashlqi3_1_lea): Ditto.
2097         (*<shiftrt_insn><mode>3_1): Ditto.
2098         (*<shiftrt_insn>si3_1_zext): Ditto.
2099         (*<shiftrt_insn>qi3_1_slp): Ditto.
2100         (*<rotate_insn><mode>3_1): Ditto.
2101         (*<rotate_insn>si3_1_zext): Ditto.
2102         (*<rotate_insn>qi3_1_slp): Ditto.
2103
2104 2010-04-13  Richard Guenther  <rguenther@suse.de>
2105
2106         * tree-ssa-structalias.c (callused_id): Remove.
2107         (call_stmt_vars): New.
2108         (get_call_vi): Likewise.
2109         (lookup_call_use_vi): Likewise.
2110         (lookup_call_clobber_vi): Likewise.
2111         (get_call_use_vi): Likewise.
2112         (get_call_clobber_vi): Likewise.
2113         (make_transitive_closure_constraints): Likewise.
2114         (handle_const_call): Adjust to do per-call call-used handling.
2115         (handle_pure_call): Likewise.
2116         (find_what_var_points_to): Remove general callused handling.
2117         (init_base_vars): Likewise.
2118         (init_alias_vars): Initialize call_stmt_vars.
2119         (compute_points_to_sets): Process call-used and call-clobbered
2120         vars for call statements.
2121         (delete_points_to_sets): Free call_stmt_vars.
2122
2123 2010-04-13  Richard Guenther  <rguenther@suse.de>
2124
2125         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2126         Only add RW dependence for dependence distance zero.
2127         Adjust maximal vectorization factor according to dependences.
2128         Move alignment handling ...
2129         (vect_find_same_alignment_drs): ... here.  New function.
2130         (vect_analyze_data_ref_dependences): Adjust.
2131         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2132         (vect_analyze_data_refs): Adjust minimal vectorization factor
2133         according to data references.
2134         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2135         dependences before determining the vectorization factor.
2136         Analyze alignment after determining the vectorization factor.
2137         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2138         dependences before alignment.
2139         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2140         Adjust prototype.
2141         (vect_analyze_data_refs): Likewise.
2142         (MAX_VECTORIZATION_FACTOR): New define.
2143
2144 2010-04-13  Duncan Sands  <baldrick@free.fr>
2145
2146         * except.h (lang_eh_type_covers): Remove.
2147         * except.c (lang_eh_type_covers): Likewise.
2148
2149 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2150             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2151
2152         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2153         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2154         UNITS_PER_LONG where it is ABI relevant.
2155         (s390_return_addr_rtx): Likewise.
2156         (s390_back_chain_rtx): Likewise.
2157         (s390_frame_area): Likewise.
2158         (s390_frame_info): Likewise.
2159         (s390_initial_elimination_offset): Likewise.
2160         (save_gprs): Likewise.
2161         (s390_emit_prologue): Likewise.
2162         (s390_emit_epilogue): Likewise.
2163         (s390_function_arg_advance): Likewise.
2164         (s390_function_arg): Likewise.
2165         (s390_va_start): Likewise.
2166         (s390_gimplify_va_arg): Likewise.
2167         (s390_function_profiler): Likewise.
2168         (s390_optimize_prologue): Likewise.
2169         (s390_rtx_costs): Likewise.
2170         (s390_secondary_reload): Likewise.
2171         (s390_promote_function_mode): Likewise.
2172         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2173         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2174         registers available.
2175         (s390_unwind_word_mode): New function.
2176         (s390_function_value): Split 64 bit values into register pair if
2177         used as return value.
2178         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2179         function call parameters.  Handle parallels.
2180         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2181         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2182         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2183         (s390_expand_setmem): Remove unused variable src_addr.
2184         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2185         deal with 64 bit registers.
2186         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2187         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2188         (UNITS_PER_LONG): New macro.
2189         * libjava/include/s390-signal.h: Define extended ucontext
2190         structure containing the upper halfs of the 64 bit registers.
2191
2192 2010-04-13  Simon Baldwin  <simonb@google.com>
2193
2194         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2195
2196 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2197
2198         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2199         rvalue on the RHS if the LHS is of a non-renamable type.
2200         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2201
2202 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2203
2204         * gcc.c (cc1_options): Handle -iplugindir before processing
2205         the cc1 spec. Only add -iplugindir once.
2206         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2207         found.
2208         * common.opt (iplugindir): Remove `Separate' property, initialize.
2209         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2210         option.
2211         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2212         (distclean): Remove plugin dir.
2213         * doc/invoke.texi: Document -iplugindir.
2214
2215 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2216
2217         * doc/plugins.texi (Loading Plugins): Document short
2218         -fplugin=foo option.
2219         (Plugin API): Mention default_plugin_dir_name function.
2220
2221         * gcc.c (find_file_spec_function): Add new declaration.
2222         (static_spec_func): Use it for "find-file".
2223         (find_file_spec_function): Add new function.
2224         (cc1_options): Add -iplugindir option if -fplugin* options found.
2225
2226         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2227
2228         * plugin.c (add_new_plugin): Updated comment, and handle short
2229         plugin name.
2230         (default_plugin_dir_name): Added new function.
2231
2232         * common.opt (iplugindir): New option to set the plugin directory.
2233
2234 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2235
2236         * config/i386/i386.md (any_rotate): New code iterator.
2237         (rotate_insn): New code attribute.
2238         (rotate): Ditto.
2239         (SWIM124): New mode iterator.
2240         (<rotate_insn>ti3): New expander.
2241         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2242         any_rotate code iterator.
2243         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2244         using any_rotate code iterator and SWIM124 mode iterator.
2245         (ix86_rotlti3): New insn_and_split pattern.
2246         (ix86_rotrti3): Ditto.
2247         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2248         ix86_rotl{di,ti}3 patterns.
2249         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2250         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2251         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2252         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2253         code iterator and SWI mode iterator.
2254         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2255         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2256         code iterator.
2257         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2258         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2259         (bswap rotatert splitter): Add splitter.
2260         (bswap splitter): Macroize splitter using any_rotate code iterator.
2261         Add insn predicate to split only for TARGET_USE_XCHGB or when
2262         optimizing function for size.
2263
2264 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2265
2266         * config/pa/pa.c (emit_move_sequence): Remove use of
2267         deleted variable flag_argument_noalias.
2268
2269 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2270
2271         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2272         configurations.
2273         Add to unsupported targets list.
2274         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2275         sparc*-sun-solaris2.[567]* from target lists.
2276         * configure: Regenerate.
2277         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2278         removal.
2279         Remove Solaris 7 patch references.
2280         (Specific, sparc-sun-solaris2.7): Removed.
2281         (sparc-sun-solaris2*): Update Solaris 7 example.
2282         (sparc64-*-solaris2*): Likewise.
2283
2284 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2285
2286         * config.build (alpha*-dec-osf4*): Remove.
2287         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2288         of obsolete configurations.
2289         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2290         support.
2291         * config/alpha/t-osf4: Renamed to ...
2292         * config/alpha/t-osf5: ... this.
2293         * config/alpha/osf.h: Renamed to ...
2294         * config/alpha/osf5.h: ... this.
2295         Merged old osf5.h contents.
2296         Update comments.
2297         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2298         (EXTRA_SPECS): Removed.
2299         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2300         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2301         Document that.
2302
2303 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2304
2305         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2306
2307 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2308
2309         PR/43702
2310         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2311         __thiscall convention.
2312
2313 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2314
2315         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2316         orig_base.
2317         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2318
2319 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2320
2321         * function.c (assign_parms_initialize_all): Add unused attribute
2322         to fntype.
2323
2324 2010-04-12  Richard Guenther  <rguenther@suse.de>
2325
2326         * gsstruct.def (GSS_CALL): New.
2327         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2328         * gimple.h: Include tree-ssa-alias.h.
2329         (struct gimple_statement_call): New.
2330         (union gimple_statement_struct_d): Add gimple_call member.
2331         (gimple_call_reset_alias_info): Declare.
2332         (gimple_call_use_set): New function.
2333         (gimple_call_clobber_set): Likewise.
2334         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2335         * gimple.c (gimple_call_reset_alias_info): New function.
2336         (gimple_build_call_1): Call it.
2337         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2338         * tree-inline.c (remap_gimple_stmt): Likewise.
2339         (expand_call_inline): Remove callused handling.
2340         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2341         * tree-dfa.c (dump_variable): Likewise.
2342         * tree-parloops.c (parallelize_loops): Likewise.
2343         * tree-ssa.c (init_tree_ssa): Likewise.
2344         (delete_tree_ssa): Likewise.
2345         * tree-flow-inline.h (is_call_used): Remove.
2346         * tree-flow.h (struct gimple_df): Remove callused member.
2347         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2348         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2349         (ref_maybe_used_by_call_p_1): Simplify.
2350         (call_may_clobber_ref_p_1): Likewise.
2351         * tree-ssa-structalias.c (compute_points_to_sets): Set
2352         the call stmt used and clobbered sets.
2353         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2354         (find_tail_calls): Verify the tail call.
2355
2356 2010-04-12  Richard Guenther  <rguenther@suse.de>
2357
2358         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2359         single-iteration always-inline inlining.
2360         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2361         (cgraph_decide_inlining): Do not handle always-inline specially.
2362         (try_inline): Remove always-inline cycle detection special case.
2363         Do not recurse on always-inlines.
2364         (cgraph_early_inlining): Do not iterate if not optimizing.
2365         (cgraph_gate_early_inlining): remove.
2366         (pass_early_inline): Run unconditionally.
2367         (gate_cgraph_decide_inlining): New function.
2368         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2369         not inlining or optimizing.
2370         (cgraph_decide_inlining_of_small_functions): Also consider
2371         always-inline functions.
2372         (cgraph_default_inline_p): Return true for nodes which should
2373         disregard inline limits.
2374         (estimate_function_body_sizes): Assume zero size and time for
2375         nodes which are marked as disregarding inline limits.
2376         (cgraph_decide_recursive_inlining): Do not perform recursive
2377         inlining on always-inline nodes.
2378
2379 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2380
2381         PR bootstrap/43699
2382         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2383         for exprs satisfying handled_component_p.
2384
2385 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2386
2387         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2388         non-constant aggregate elements.
2389
2390         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2391         is a real initialization.
2392
2393 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2394
2395         PR c/36774
2396         * c-decl.c (start_function): Move forward check for nested function.
2397
2398 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2399
2400         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2401         * config/sh/sh.c: Include reload.h.
2402         (sh_legitimize_reload_address): New.
2403         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2404         sh_legitimize_reload_address.
2405
2406 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2407
2408         * config/sh/sh.md (*movqi_pop): New insn pattern.
2409         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2410
2411 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2412
2413         * config/i386/i386.md (any_shiftrt): New code iterator.
2414         (shiftrt_insn): New code attribute.
2415         (shiftrt): Ditto.
2416         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2417         using any_shiftrt code iterator.
2418         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2419         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2420         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2421         pattern from corresponding peephole2 patterns.
2422         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2423         using any_shiftrt code iterator.
2424         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2425         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2426         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2427         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2428         *{ashr,lshr}<mode>3_cmp_zext.
2429         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2430
2431 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2432
2433         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2434         scratch register.
2435         (*lshr<mode>3_cconly): Ditto.
2436
2437 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2438
2439         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2440         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2441         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2442         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2443         DWI mode iterator.
2444         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2445         from corresponding peephole2 patterns.
2446         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2447         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2448         and *lshrdi3_1_rex64 using SWI mode iterator.
2449         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2450         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2451         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2452         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2453         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2454         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2455         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2456         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2457         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2458         SWI mode iterator.
2459
2460 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2461
2462         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2463         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2464         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2465         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2466         DWI mode iterator.
2467         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2468         from corresponding peephole2 patterns.
2469         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2470         (ashrsi3_cvt): Rename from ashrsi3_31.
2471         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2472         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2473         and x86_64_shift_adj_3 using SWI48 mode iterator.
2474         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2475         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2476         and *ashrdi3_1_rex64 using SWI mode iterator.
2477         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2478         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2479         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2480         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2481         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2482         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2483         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2484         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2485         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2486         SWI mode iterator.
2487         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2488         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2489         x86_shift<mode>_adj_3 expanders.
2490
2491 2010-04-10  Wei Guozhi  <carrot@google.com>
2492
2493         PR target/42601
2494         * config/arm/arm.c (arm_pic_static_addr): New function.
2495         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2496         a static symbol.
2497         (arm_output_addr_const_extra): Output expression for new pattern.
2498         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2499
2500 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2501
2502         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2503         not enabled.
2504
2505         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2506         * web.c: Include "insn-config.h" and "recog.h".
2507         (union_match_dups): New function.
2508         (web_main): Call it.
2509         (union_defs): Don't try to recognize match_dups.
2510
2511         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2512         if doing so would replace the entire pattern.
2513
2514 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2515
2516         PR target/43707
2517         PR target/43709
2518         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2519         and splitter pattern.  Change splitter operand 1 predicate to
2520         nonmemory_operand.
2521
2522 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2523
2524         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2525         lattices are addresses of CONST_DECLs with the same initial value.
2526         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2527         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2528
2529 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2530             Bernd Schmidt  <bernds@codesourcery.com>
2531
2532         * loop-invariant.c (replace_uses): New static function.
2533         (move_invariant_reg): Use it to ensure we can replace the uses.
2534
2535 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2536
2537         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2538         function template.
2539         (picochip_override_options): Enable section anchors only above -O1.
2540         (picochip_reorg): Fixed a couple of build warnings.
2541
2542 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2543
2544         * configure.ac (plugin -rdynamic test): Log result.
2545         * configure: Regenerate.
2546         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2547         (RDYNAMIC_SPEC): Define.
2548         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2549
2550 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2551
2552         * configure.ac: Determine Sun ld version numbers.
2553         (comdat_group): Restrict GNU ld version checks to gld.
2554         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2555         (enable_comdat): Support --enable-comdat.
2556         * configure: Regenerate.
2557         * doc/install.texi (Configuration): Document --enable-comdat.
2558
2559 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2560
2561         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2562         * config/sol2-gld.h: ... here.
2563         * config.gcc (sparc*-*-solaris2*): Reflect this.
2564         (i[34567]86-*-solaris2*): Use it.
2565
2566 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2567
2568         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2569         setup_clocks_p.
2570         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2571
2572 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2573
2574         PR 42965
2575         * diagnostic.c (diagnostic_initialize): Initialize
2576         some_warnings_are_errors.
2577         (diagnostic_finish): New.
2578         (diagnostic_action_after_output): Call it before exiting.
2579         (diagnostic_report_diagnostic): Do not print message here. Set
2580         some_warnings_are_errors.
2581         * diagnostic.h (diagnostic_context): Delete
2582         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2583         (diagnostic_finish): Declare.
2584         * toplev.c (toplev_main): Call it before exit.
2585
2586 2010-04-09  Jason Merrill  <jason@redhat.com>
2587
2588         PR c++/42623
2589         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2590         for incomplete type.
2591
2592         PR c++/41788
2593         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2594         based on a warning flag.
2595
2596 2010-04-09  Richard Guenther  <rguenther@suse.de>
2597
2598         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2599
2600 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2601
2602         PR bootstrap/43684
2603         * varasm.c (default_assemble_visibility): Wrap vars that are
2604         set, but unused, by targets without GAS.
2605         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2606         Remove set, but unused, vars.
2607         (rs6000_legitimize_tls_address): Likewise.
2608         (altivec_expand_dst_builtin): Likewise.
2609         * config/darwin.c (machopic_classify_symbol): Likewise.
2610         (machopic_indirection_name): Likewise.
2611
2612 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2613
2614         * config/i386/i386.md (DWI): New mode iterator.
2615         (S): New mode attribute.
2616         (shift_operand): Ditto.
2617         (shift_immediate_operand): Ditto.
2618         (ashl_input_operand): Ditto.
2619         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2620         using SDWIM mode iterator.
2621         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2622         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2623         DWI mode iterator.
2624         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2625         from corresponding peephole2 patterns.
2626         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2627         and x86_64_shift_adj_1 using SWI48 mode iterator.
2628         (x86_shift<mode>_adj_2): Ditto.
2629         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2630         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2631         using SWI48 mode iterator.
2632         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2633         *ashldi3_cmp_rex64 using SWI mode iterator.
2634         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2635         *ashldi3_cconly_rex64 using SWI mode iterator.
2636         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2637         x86_shift<mode>_adj_{1,2}.
2638         (ix86_split_ashr): Ditto.
2639         (ix86_split_lshr): Ditto.
2640
2641 2010-04-09  Richard Guenther  <rguenther@suse.de>
2642
2643         * target.h (builtin_conversion): Pass in input and output types.
2644         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2645         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2646         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2647         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2648
2649         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2650         Handle AVX modes.
2651         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2652
2653 2010-04-09  Richard Guenther  <rguenther@suse.de>
2654
2655         PR target/43152
2656         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2657
2658 2010-04-09  Richard Guenther  <rguenther@suse.de>
2659
2660         * tree-vectorizer.h (struct _stmt_vec_info): Document
2661         that vectype is the type of the LHS.
2662         (supportable_widening_operation, supportable_narrowing_operation):
2663         Get both input and output vector types as arguments.
2664         (vect_is_simple_use_1): Declare.
2665         (get_same_sized_vectype): Likewise.
2666         * tree-vect-loop.c (vect_determine_vectorization_factor):
2667         Set STMT_VINFO_VECTYPE to the vector type of the def.
2668         (vectorizable_reduction): Adjust.
2669         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2670         Adjust.  Specify the output vector type.
2671         (vect_pattern_recog_1): Adjust.
2672         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2673         (vectorizable_call): Adjust.
2674         (vectorizable_conversion): Likewise.
2675         (vectorizable_operation): Likewise.
2676         (vectorizable_type_demotion): Likewise.
2677         (vectorizable_type_promotion): Likewise.
2678         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2679         the def.
2680         (vect_is_simple_use_1): New function.
2681         (supportable_widening_operation): Get both input and output
2682         vector types.
2683         (supportable_narrowing_operation): Likewise.
2684         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2685
2686 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2687
2688         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2689         __thiscall and _thiscall as predefined macros.
2690         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2691         thiscall attribute handling.
2692         (ix86_comp_type_attributes): Likewise.
2693         (ix86_function_regparm): Likewise.
2694         (ix86_return_pops_args): Likewise.
2695         (init_cumulative_args): Likewise.
2696         (find_drap_reg): Likewise.
2697         (ix86_static_chain): Likewise.
2698         (x86_this_parameter): Likewise.
2699         (x86_output_mi_thunk): Likewise.
2700         (ix86_attribute_table): Add description for thiscall attribute.
2701         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2702         * doc/extend.texi: Add documentation for thiscall.
2703
2704 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2705
2706         PR c++/28584
2707         * c.opt (Wint-to-pointer-cast): Available in C++.
2708         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2709
2710 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2711
2712         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2713         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2714         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2715         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2716         function type instead.  Reorder and simplify checks.
2717
2718         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2719
2720 2010-04-08  Jing Yu  <jingyu@google.com>
2721             Zdenek Dvorak  <ook@ucw.cz>
2722
2723         PR tree-optimization/42720
2724         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2725         loop unswitch conditions here from ...
2726         (tree_unswitch_single_loop): ... here.
2727
2728 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2729
2730         * tree-if-conv.c: Fix comments and simplify logic.
2731
2732 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2733
2734         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2735         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2736         (main_tree_if_conversion): Update call to tree_if_conversion.
2737
2738 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2739
2740         PR 42485
2741         * doc/invoke.texi (-b,-V): Delete.
2742         * doc/tm.texi: Do not mention -b.
2743         * gcc.c (display_help): Delete -b and -V.
2744         (process_command): Delete -b and -V.
2745         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2746
2747 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2748             Wolfgang Gellerich  <gellerich@de.ibm.com>
2749
2750         Implement target hook for loop unrolling
2751         * target.h (loop_unroll_adjust): Add a new target hook function.
2752         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2753         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2754         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2755         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2756         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2757         target hook.
2758         (decide_unroll_stupid): Likewise.
2759
2760 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2761
2762         PR target/43643
2763         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2764
2765 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2766
2767         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2768         (Specific, *-*-solaris2*): Likewise.
2769         Don't prefer Sun as over GNU as.
2770
2771 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2772
2773         * config/s390/s390.c (override_options): Adjust the z10
2774           defaults for max-unroll-times, max-completely-peeled-insns
2775           and max-completely-peel-times.
2776
2777 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2778
2779         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2780         instructions for z10.
2781         (s390_expand_setmem): Likewise.
2782         (s390_expand_cmpmem): Likewise.
2783
2784 2010-04-08  Richard Guenther  <rguenther@suse.de>
2785
2786         PR tree-optimization/43679
2787         * tree-ssa-pre.c (eliminate): Only propagate copies.
2788
2789 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2790
2791         PR bootstrap/43681
2792         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2793         set but not used variable warning.
2794
2795 2010-04-08  Wei Guozhi  <carrot@google.com>
2796
2797         PR target/41653
2798         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2799         (arm_size_rtx_costs): Call the new function when optimized for size.
2800
2801 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2802
2803         PR debug/43670
2804         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2805         op0 is not a MEM, just return NULL instead of assertion
2806         failure.
2807         (discover_nonconstant_array_refs): Don't walk debug stmts.
2808
2809 2010-04-08  Doug Kwan  <dougkwan@google.com>
2810
2811         * configure.ac: Recognize gold and do not use its version number
2812         to test ld features.
2813         * configure: Regenerate.
2814
2815 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2816
2817         PR middle-end/40815
2818         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2819         (negate_value): Move code to push elements to broken_up_substracts ...
2820         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2821         negative pair to plus_negates.
2822         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2823
2824 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2825
2826         * doc/install.texi (Configuration): Move description of
2827         --enable-lto, --with-libelf*, --enable-gold from Java section to
2828         general section.
2829
2830         * doc/generic.texi (Working with declarations)
2831         (Function Properties, C and C++ Trees): Fix typos.
2832         * doc/sourcebuild.texi (Top Level): Likewise.
2833
2834 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2835
2836         PR c/18624
2837         * tree.h (DECL_READ_P): Define.
2838         (struct tree_decl_common): Add decl_read_flag.
2839         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2840         a set but not used warning.
2841         (merge_decls): Merge DECL_READ_P flag.
2842         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2843         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2844         * c-common.c (handle_used_attribute, handle_unused_attribute):
2845         Likewise.
2846         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2847         New prototypes.
2848         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2849         New functions.
2850         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2851         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2852         c_parser_binary_expression, c_parser_cast_expression,
2853         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2854         Call default_function_array_read_conversion instead of
2855         default_function_array_conversion where needed.
2856         (c_parser_unary_expression, c_parser_conditional_expression,
2857         c_parser_postfix_expression_after_primary, c_parser_initelt):
2858         Likewise.  Call mark_exp_read where needed.
2859         (c_parser_statement_after_labels, c_parser_asm_operands,
2860         c_parser_typeof_specifier, c_parser_sizeof_expression,
2861         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2862         where needed.
2863         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2864         New.
2865         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2866         (warn_unused_but_set_parameter): Default to warn_unused
2867         && extra_warnings.
2868         * doc/invoke.texi: Document -Wunused-but-set-variable and
2869         -Wunused-but-set-parameter.
2870
2871         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2872         used count variable.
2873         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2874         when operandN variables aren't used in the body of the expander
2875         or splitter.
2876         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2877         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2878         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2879         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2880         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2881         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2882         * tree.c (PROCESS_ARG): Likewise.
2883
2884 2010-04-07  Simon Baldwin  <simonb@google.com>
2885
2886         * diagnostic.h (diagnostic_override_option_index): New macro to
2887         set a diagnostic's option_index.
2888         * c-tree.h (c_cpp_error): Add warning reason argument.
2889         * opts.c (_warning_as_error_callback): New.
2890         (register_warning_as_error_callback): Store callback for
2891         warnings enabled via enable_warning_as_error.
2892         (enable_warning_as_error): Call callback, minor code tidy.
2893         * opts.h (register_warning_as_error_callback): Declare.
2894         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2895         response to -Werror=.
2896         (c_common_init_options): Register warning_as_error_callback in opts.c.
2897         * common.opt: Add -Wno-cpp option.
2898         * c-common.c (struct reason_option_codes_t): Map cpp warning
2899         reason codes to gcc option indexes.
2900         * (c_option_controlling_cpp_error): New function, lookup the gcc
2901         option index for a cpp warning reason code.
2902         * (c_cpp_error): Add warning reason argument, call
2903         c_option_controlling_cpp_error for diagnostic_override_option_index.
2904         * doc/invoke.texi: Document -Wno-cpp.
2905
2906 2010-04-07  Richard Guenther  <rguenther@suse.de>
2907
2908         * ipa-reference.c (mark_load): Use get_base_address.
2909         (mark_store): Likewise.
2910
2911         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2912         inserting GIMPLE_NOPs into the IL.
2913         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2914         Explicitly strip handled components and indirect references.
2915
2916         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2917         folding address expressions.
2918         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2919         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2920         operand_equal_p to compare decls.
2921         (ptr_deref_may_alias_decl_p): Likewise.
2922         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2923         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2924         Handle reversed comparison ops.
2925         * tree-sra.c (asm_visit_addr): Use get_base_address.
2926         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2927         * ipa-reference.c (mark_address): Use get_base_address.
2928
2929 2010-04-07  Richard Guenther  <rguenther@suse.de>
2930
2931         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2932         Propagate constants everywhere.
2933
2934 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2935
2936         PR debug/43516
2937         * tree.c (MAX_INT_CACHED_PREC): Define.
2938         (nonstandard_integer_type_cache): New array.
2939         (build_nonstandard_integer_type): Cache results for precision
2940         <= MAX_INT_CACHED_PREC.
2941
2942 2010-04-07  Richard Guenther  <rguenther@suse.de>
2943
2944         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2945         -fargument-noalias-global, -fargument-noalias-anything): Remove.
2946         * common.opt: Likewise.
2947         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2948         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2949         (nonoverlapping_memrefs_p): Likewise.
2950         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2951         * opts.c (common_handle_option): Handle OPT_fargument_alias,
2952         OPT_fargument_noalias, OPT_fargument_noalias_anything and
2953         OPT_fargument_noalias_global for backward compatibility.
2954
2955 2010-04-07  Richard Guenther  <rguenther@suse.de>
2956
2957         PR tree-optimization/43270
2958         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2959         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2960         * tree-ssa-pre.c (phi_translate_1): Adjust.
2961         (fully_constant_expression): Split out vn_reference handling to ...
2962         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2963         Fold reads from constant strings.
2964         (vn_reference_lookup): Handle fully constant references.
2965         (vn_reference_lookup_pieces): Likewise.
2966         * Makefile.in (expmed.o-warn): Add -Wno-error.
2967
2968 2010-04-07  Martin Jambor  <mjambor@suse.cz>
2969
2970         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2971
2972 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
2973
2974         PR driver/41594
2975         * gcc.c: Add -static-libstdc++ to list of recognized options.
2976
2977 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2978
2979         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2980
2981 2010-04-07  Richard Guenther  <rguenther@suse.de>
2982
2983         PR middle-end/42617
2984         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2985         bases build simple mem attributes to retain points-to information.
2986
2987 2010-04-07  Richard Guenther  <rguenther@suse.de>
2988
2989         PR middle-end/42617
2990         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2991         preserve points-to related information.
2992
2993 2010-04-07  Richard Guenther  <rguenther@suse.de>
2994
2995         PR middle-end/42617
2996         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2997         discard plain indirect references.
2998         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2999         * tree.c (tree_nop_conversion): Likewise.
3000
3001 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
3002
3003         PR debug/43628
3004         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3005
3006 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
3007
3008         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3009         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3010
3011 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3012
3013         * tree-if-conv.c: Fix indentation and comments.
3014
3015 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3016
3017         * tree-if-conv.c: Sort static functions in topological order.
3018
3019 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3020
3021         * tree-if-conv.c: Fix indentation and comments.
3022
3023 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3024
3025         PR middle-end/43519
3026         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3027         lang_hooks.types.type_for_size instead of
3028         build_nonstandard_integer_type.
3029         When converting an unsigned type to signed, double its precision.
3030         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3031         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3032         (graphite_create_new_loop_guard): When ub + 1 wraps around,
3033         use lb <= ub.
3034
3035 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3036
3037         PR middle-end/43519
3038         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3039         POINTER_PLUS_EXPR for pointer types.
3040
3041 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3042
3043         PR middle-end/43519
3044         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3045         * graphite-clast-to-gimple.c: Include langhooks.h.
3046         (max_signed_precision_type): New.
3047         (max_precision_type): Takes two types as arguments.
3048         (precision_for_value): New.
3049         (precision_for_interval): New.
3050         (gcc_type_for_interval): New.
3051         (gcc_type_for_value): New.
3052         (gcc_type_for_clast_term): New.
3053         (gcc_type_for_clast_red): New.
3054         (gcc_type_for_clast_bin): New.
3055         (gcc_type_for_clast_expr): Split up into several functions.
3056         (gcc_type_for_clast_eq): Rewritten.
3057         (compute_bounds_for_level): New.
3058         (compute_type_for_level_1): New.
3059         (compute_type_for_level): New.
3060         (gcc_type_for_cloog_iv): Removed.
3061         (gcc_type_for_iv_of_clast_loop): Rewritten.
3062         (graphite_create_new_loop): Compute the lower and upper bound types
3063         with gcc_type_for_clast_expr.
3064         (graphite_create_new_loop_guard): Same.
3065         (find_cloog_iv_in_expr): Removed.
3066         (compute_cloog_iv_types_1): Removed.
3067         (compute_cloog_iv_types): Removed.
3068         (gloog): Do not call compute_cloog_iv_types.
3069         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3070         GBB_CLOOG_IV_TYPES.
3071         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3072         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3073         (GBB_CLOOG_IV_TYPES): Removed.
3074
3075 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3076
3077         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3078         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3079         (detect_commutative_reduction): Same.
3080
3081 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3082
3083         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3084         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
3085         argument.
3086         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3087         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3088         (rewrite_commutative_reductions_out_of_ssa): Same.
3089         * passes.c (execute_function_todo): Call verify_ssa for every pass
3090         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
3091         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3092         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3093         with an extra argument.
3094         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
3095         verify_ssa only when the extra argument is true.
3096         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3097         with an extra argument.
3098         (tree_transform_and_unroll_loop): Same.
3099
3100 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3101
3102         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3103         for all the passes of the LNO having LOOP_CLOSED_SSA.
3104         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3105         * tree-loop-distribution.c (pass_loop_distribution): Same.
3106         * tree-pass.h (TODO_verify_loops): Removed.
3107         * tree-ssa-loop.c (pass_tree_loop_init): Same.
3108         (pass_lim): Same.
3109         (pass_tree_unswitch): Same.
3110         (pass_predcom): Same.
3111         (pass_vectorize): Same.
3112         (pass_linear_transform): Same.
3113         (pass_graphite_transforms): Same.
3114         (pass_iv_canon): Same.
3115         (pass_complete_unroll): Same.
3116         (pass_complete_unrolli): Same.
3117         (pass_parallelize_loops): Same.
3118         (pass_loop_prefetch): Same.
3119         (pass_iv_optimize): Same.
3120
3121 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
3122
3123         PR middle-end/32824
3124         * passes.c (init_optimization_passes): Move pass_lim before
3125         pass_copy_prop and pass_dce_loop.
3126
3127 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3128
3129         PR target/43667
3130         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3131         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3132         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3133         MULTI_* defines for 4 argument vpermil2p* builtins.
3134
3135 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3136
3137         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3138         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3139         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3140         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3141         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3142         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3143         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3144         Use x86_maybe_negate_const_int to output insn mnemonic.
3145         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3146         check from instruction predicate.  Update comments.
3147         * config/i386/sync.md (sync_add<mode>): Use
3148         x86_maybe_negate_const_int to output insn mnemonic.
3149
3150 2010-04-06  Jan Hubicka  <jh@suse.cz>
3151
3152         PR tree-optimization/42906
3153         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3154         IGNORE_SELF argument.  Set visited_control_parents for fully
3155         processed BBs.
3156         (find_obviously_necessary_stmts): Update call of
3157         mark_control_dependent_edges_necessary.
3158         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3159
3160 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3161
3162         * config/i386/i386.md: Remove comment about 'e' and 'E'
3163         operand modifier.
3164
3165 2010-04-06  Richard Guenther  <rguenther@suse.de>
3166
3167         PR tree-optimization/43627
3168         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3169         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3170         not varying.
3171
3172 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3173
3174         * BASE-VER: Change to 4.6.0.
3175
3176         PR target/43638
3177         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3178         handling.
3179
3180 2010-04-06  Richard Guenther  <rguenther@suse.de>
3181
3182         PR middle-end/43661
3183         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3184
3185 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3186
3187         * doc/invoke.texi (Optimize Options): Document that LTO
3188         won't remove object access purely due to incompatible
3189         declarations.
3190
3191 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3192
3193         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3194         Initialize variable.
3195
3196 2010-04-03  Richard Guenther  <rguenther@suse.de>
3197
3198         PR middle-end/42509
3199         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3200         require a non-NULL MEM_OFFSET.
3201
3202 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3203
3204         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3205         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3206         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3207         config/alpha/predicates.md, config/arm/arm.md,
3208         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3209         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3210         config/darwin9.h, config/darwin.c, config/darwin.h,
3211         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3212         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3213         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3214         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3215         config/mips/mips.md, config/mn10300/mn10300.c,
3216         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3217         config/rs6000/aix.h, config/rs6000/dfp.md,
3218         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3219         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3220         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3221         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3222         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3223         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3224         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3225         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3226         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3227         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3228         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3229         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3230         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3231         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3232         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3233         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3234         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3235         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3236         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3237         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3238         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3239         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3240         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3241         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3242         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3243         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3244         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3245         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3246         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3247         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3248         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3249         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3250         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3251         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3252         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3253         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3254
3255 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3256
3257         PR other/43620
3258         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3259         * aclocal.m4: Regenerate.
3260
3261 2010-04-02  Richard Guenther  <rguenther@suse.de>
3262
3263         PR tree-optimization/43629
3264         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3265         if we have seen a constant value.
3266
3267 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3268
3269         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3270
3271 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3272
3273         PR target/43469
3274         * arm.c (legitimize_tls_address): Adjust call to
3275         gen_tls_load_dot_plus_four.
3276         (arm_note_pic_base): New function.
3277         (arm_cannot_copy_insn_p): Use it.
3278         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3279         constraint.
3280
3281 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3282
3283         PR bootstrap/43531
3284
3285         Revert:
3286         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3287
3288         * Makefile.in ($(out_object_file)): Depend on
3289         gt-$(basename $(notdir $(out_file))).h.
3290
3291 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3292
3293         * config.gcc (lm32-*-rtems*): Add t-lm32.
3294
3295 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3296
3297         * config.gcc: Add lm32-*-rtems*.
3298         * config/lm32/rtems.h: New file.
3299
3300 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3301
3302         PR target/42609
3303         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3304
3305 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3306
3307         * dwarf2out.c (output_compilation_unit_header): For
3308         -gdwarf-4 use version 4 instead of version 3.
3309         (output_line_info): For version 4 and above emit additional
3310         maximum ops per insn header field.
3311         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3312
3313         * dwarf2out.c (is_c_family, is_java): Remove.
3314         (lower_bound_default): New function.
3315         (add_bound_info, gen_descr_array_type_die): Use it.
3316
3317 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3318
3319         PR debug/43325
3320         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3321         re-declaration when it happens in a function.
3322
3323 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3324
3325         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3326         (cgraph_remove_function_insertion_hook): Same.
3327         (cgraph_call_function_insertion_hooks): Same.
3328
3329 2010-04-01  Richard Guenther  <rguenther@suse.de>
3330
3331         PR middle-end/43614
3332         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3333         and TREE_THIS_VOLATILE.
3334         (copy_ref_info): Likewise.
3335         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3336         * tree.c (build6_stat): Ignore side-effects of all but arg5
3337         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3338         TARGET_MEM_REF.
3339
3340 2010-04-01  Richard Guenther  <rguenther@suse.de>
3341
3342         PR tree-optimization/43607
3343         * ipa-type-escape.c (check_call): Do not access non-existing
3344         arguments.
3345
3346 2010-04-01  Richard Guenther  <rguenther@suse.de>
3347
3348         PR middle-end/43602
3349         Revert
3350         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3351                     Jack Howarth <howarth@bromo.med.uc.edu>
3352
3353         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3354         variables TLS.
3355
3356 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3357
3358         * doc/install.texi (Prerequisites): Document libelf usability on
3359         IRIX 5/6 and Solaris 2.
3360         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3361         Update GNU as, GNU ld requirements.
3362         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3363         Document Sun Studio compiler download.
3364         Update and simplify as, ld recommendations.
3365         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3366
3367 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3368
3369         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3370         with_tune_32 to pentium4.
3371
3372 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3373
3374         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3375
3376 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3377
3378         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3379         obsoletion, removal.
3380         Update IDO URL.
3381         Document GNU as requirement.
3382         Update configure requirements.
3383         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3384         Recomment IRIX 6.5.18+.
3385         Document IDF/IDL requirement.
3386         Document GNU as requirement.
3387         Document GNU ld bootstrap failure.
3388         Remove freeware.sgi.com reference.
3389
3390 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3391
3392         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3393         UNIX V4.0, V5.0 obsoletion, removal.
3394         Remove --with-gc=simple reference.
3395         Update VM requirements during bootstrap.
3396         Remove -oldas bootstrap description.
3397         Update binutils reference.
3398         Remove comparison failure note.
3399
3400 2010-03-31  Richard Guenther  <rguenther@suse.de>
3401             Zdenek Dvorak  <ook@ucw.cz>
3402             Sebastian Pop  <sebastian.pop@amd.com>
3403
3404         PR middle-end/43464
3405         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3406         with multiple arguments.
3407         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3408
3409 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3410
3411         * graphite-dependences.c (print_pddr): Call print_pdr with an
3412         extra argument.
3413         * graphite-poly.c (debug_pdr): Add an extra argument for the
3414         verbosity level.
3415         (print_pdr): Same.
3416         (print_pbb_domain): Same.
3417         (print_pbb): Same.
3418         (print_scop_context): Same.
3419         (print_scop): Same.
3420         (print_cloog): Same.
3421         (debug_pbb_domain): Same.
3422         (debug_pbb): Same.
3423         (print_pdrs): Same.
3424         (debug_pdrs): Same.
3425         (debug_scop_context): Same.
3426         (debug_scop): Same.
3427         (debug_cloog): Same.
3428         (print_scop_params): Same.
3429         (debug_scop_params): Same.
3430         (print_iteration_domain): Same.