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Fix typo mip->mips. Change wording to avoid overly long line.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-03  David Ung <davidu@mips.com>
2             James E. Wilson  <wilson@codesourcery.com>
3
4         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
5         emit the trap instruction before the divide for TUNE_74K.
6
7 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
8
9         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
10         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
11         based on the above, for new target hook.
12
13         * hooks.c (hook_bool_mode_true): New generic hook.
14         * hooks.h (hook_bool_mode_true): Add prototype.
15
16         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
17         target hook.
18         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
19         target hook, set to hook_bool_mode_false.
20         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
21         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
22         with targetm.small_register_classes_for_mode_p.
23         (find_reusable_reload): Likewise.
24         (combine_reloads): Likewise.
25         * reload1.c (reload_as_needed): Likewise.
26         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
27         * ifcvt.c (noce_process_if_block, check_cond_move_block,
28         dead_or_predicable): Likewise.
29         * regmove.c (optimize_reg_copy_1): Likewise.
30         * calls.c (prepare_call_address): Likewise.
31         (precompute_register_parameters): Likewise.
32
33         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
34         hook definition.
35         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
36         implementation of the hook that considers all register classes
37         small except for SH64.
38         (sh_override_options): Use the new hook.
39         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
40         Add prototype.
41
42         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
43         hook definition.
44         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
45         implementation of the hook that considers all register classes
46         small for THUMB1.
47         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
48         Add prototype.
49
50         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
51         hook definition.
52         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
53         implementation of the hook that considers all register classes
54         small for MIPS16.
55         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
56         Add prototype.
57
58         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
59         hook definition.
60         * config/m32c/m32c.h: Likewise.
61         * config/pdp11/pdp11.h: Likewise.
62         * config/avr/avr.h: Likewise.
63         * config/xtensa/xtensa.h: Likewise.
64         * config/m68hc11/m68hc11.h: Likewise.
65         * config/mn10300/mn10300.h: Likewise.
66         * config/mcore/mcore.h: Likewise.
67         * config/h8300/h8300.h: Likewise.
68         * config/bfin/bfin.h: Likewise.
69
70         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
71         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
72
73 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
74
75         * double-int.h (tree_to_double_int): Remove macro.
76         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
77         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
78         (tree_to_double_int): New function.
79         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
80         Move ...
81         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
82
83 2010-05-03  Richard Guenther  <rguenther@suse.de>
84
85         PR tree-optimization/43971
86         * tree-ssa-structalias.c (get_constraint_for_1): Fix
87         constraints in the !flag_delete_null_pointer_checks case.
88
89 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
90
91         PR debug/43972
92         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
93         result mode matches original rtl mode.
94
95 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
96
97         PR target/43888
98         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
99
100 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
101
102         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
103         when processing flag options.
104
105 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
106
107         * gcov-iov.c (main): Change format string placeholder
108         from %#08x to 0x%08x.
109         * genchecksum.c (dosum): Change format string placeholder
110         from %#02x to 0x%02x.
111
112 2010-05-02  Richard Guenther  <rguenther@suse.de>
113
114         PR tree-optimization/43879
115         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
116
117 2010-05-02  Bruno Haible  <bruno@clisp.org>
118
119         * doc/extend.texi (Function Attributes): Fix a typo.
120
121 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
122
123         Revert:
124         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
125         placeholder from 0x%x to %#x.
126         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
127         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
128         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
129         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
130         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
131         * config/i386/i386.c (ix86_target_string): Ditto.
132         * config/i386/i386.c (output_pic_addr_const): Ditto.
133         (print_operand): Ditto.
134
135 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
136
137         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
138         placeholder from 0x%x to %#x.
139         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
140         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
141         (ASM_OUTPUT_DEBUG_DATA): Ditto.
142         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
143         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
144         * optc-gen.awk: Ditto.
145         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
146         (HOST_WIDE_INT_PRINT_HEX): Ditto.
147         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
148         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
149
150 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
151
152         * target.h (struct calls): Add function_value_regno_p field.
153         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
154         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
155         * targhooks.c (default_function_value_regno_p): New function.
156         * targhooks.h (default_function_value_regno_p): Declare function.
157         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
158         * builtins.c. (apply_result_size): (Ditto.).
159         * combine.c. (likely_spilled_retval_p): (Ditto.).
160         * mode-switching.c. Include 'target.h'.
161         (create_pre_exit): Use function_value_regno_p hook.
162         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
163         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
164         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
165
166         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
167         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
168         (ix86_function_value_regno_p): Declare as static, change argument
169         type to const unsigned int.
170         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
171
172 2010-05-01  Richard Guenther  <rguenther@suse.de>
173
174         PR tree-optimization/43949
175         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
176         types.
177         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
178
179 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
180
181         * rtl.h (CONST_DOUBLE_P): Define.
182         (rtx_to_double_int): Declare.
183         * emit-rtl.c (rtx_to_double_int): New function.
184         * dwarf2out.c (insert_double): New function.
185         (loc_descriptor, add_const_value_attribute): Clean up, use
186         rtx_to_double_int and insert_double functions.
187
188 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
189
190         * doc/extend.texi (Inline): Add missing return keyword to examples.
191         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
192         "command-line".
193
194 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
195
196         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
197         the variable part of the offset as well.  Use highest_pow2_factor for
198         all alignment checks.
199
200 2010-04-30  Richard Guenther  <rguenther@suse.de>
201
202         PR tree-optimization/43879
203         * tree-ssa-structalias.c (type_could_have_pointers): Functions
204         can have pointers.
205
206 2010-04-30  Jan Hubicka  <jh@suse.cz>
207
208         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
209         varpool.
210         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
211
212 2010-04-30  Jan Hubicka  <jh@suse.cz>
213
214         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
215         New.
216         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
217         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
218         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
219         cgraph_node_set_needs_ltrans_p): Remove.
220
221 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
222
223         * sdbout.c: Include vec.h, do not include varray.h.
224         (deferred_global_decls, sdbout_global_decl,
225         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
226         * toplev.c: Do not include varray.h.
227         (dump_memory_report): Do not dump VARRAY statistics.
228         * gengtype.c (open_base_file): Ignore varray.h.
229         * Makefile.in: Update for abovementioned changes.
230         Remove all traces of varray.c and varray.h.
231         * varray.c: Remove file.
232         * varray.h: Remove file.
233
234 2010-04-30  Jan Hubicka  <jh@suse.cz>
235
236         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
237         references.
238
239 2010-04-30  Jan Hubicka  <jh@suse.cz>
240
241         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
242         needed.
243
244 2010-04-30  Richard Guenther  <rguenther@suse.de>
245
246         * tree-ssa-structalias.c (get_constraint_for_1): Generate
247         constraints for CONSTRUCTOR.
248
249 2010-04-30  Richard Guenther  <rguenther@suse.de>
250
251         PR lto/43946
252         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
253         first after all lowering passes.
254
255 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
256
257         * toplev.c: Include varray.h for statistics dumping.
258         * tree.h: Do not declare varray_head_tag.
259         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
260         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
261         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
262         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
263         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
264         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
265         c-common.c, c-common.h, reg-stack.c, basic-block.h,
266         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
267         include varray.h.
268         * Makefile.in: Update for abovementioned changes.
269
270 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
271
272         PR debug/43942
273         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
274
275 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
276
277         * config/picochip/picochip.c (picochip_legitimize_address): Define.
278         Use this function to do machine-specific conversion.
279         (picochip_legitimize_reload_address): Likewise.
280         (picochip_legitimate_address_p): Check valid base register only if
281         strict.
282         (picochip_check_conditional_copy): Check for modw only if opnd is
283         register.
284         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
285         to call the function in c.
286         * config/picochip/picochip-protos.h
287         (picochip_legitimize_reload_address): Define.
288         * config/picochip/picochip.md (supported_compare1): Define.
289
290 2010-04-30  Jan Hubicka  <jh@suse.cz>
291
292         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
293         (cgraph_global_info): Remove inlined.
294         (LTO_cgraph_tag_names): Remove.
295         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
296         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
297         simplify cgraph tags and document.
298         (lto_output_node): Use only LTO_cgraph_unavail_node and
299         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
300         for_functions_valid, global info, process and output flags.
301         (input_overwrite_node): Initialize estimated stack size and
302         estimated growth.  Do not read flags we no longer store.
303         (input_node): Likewise do not read info no longer stored.
304         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
305         flag.
306
307 2010-04-30  Richard Guenther  <rguenther@suse.de>
308
309         PR tree-optimization/43879
310         * tree-ssa-structalias.c (get_constraint_for_1): Properly
311         handle non-zero initializers.
312
313 2010-04-30  Richard Guenther  <rguenther@suse.de>
314
315         * builtins.c (fold_builtin_1): Delete free (0).
316
317 2010-04-29  Jan Hubicka  <jh@suse.cz>
318
319         * gengtype.c (open_base_files): Add lto-streamer.h
320         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
321         (pass_ipa_cp): GGC collect.
322         * toplev. (compile_file): Do not output symbols.
323         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
324         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
325         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
326         * lto-section-in.c: Include ggc.h
327         (lto_new_in_decl_state): Alloc in GGC.
328         (lto_delete_in_decl_state): Likewise.
329         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
330         Collect.
331
332 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
333
334         PR target/42895
335         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
336         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
337         (HONOR_REG_ALLOC_ORDER): Describe new macro.
338         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
339         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
340         account only if HONOR_REG_ALLOC_ORDER is not defined.
341         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
342         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
343
344 2010-04-29  Jon Grant  <04@jguk.org>
345
346         * collect2.c (vflag): Change type from int to bool.
347         (debug): Likewise.
348         (helpflag): New global bool.
349         (main): Set vflag and debug with boolean, not integer truth values.
350         Accept new "--help" option and output usage text if found.
351         * collect2.h (vflag): Update prototype.
352         (debug): Likewise.
353
354 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
355
356         PR bootstrap/43936
357         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
358
359 2010-04-29  Richard Guenther  <rguenther@suse.de>
360
361         PR bootstrap/43935
362         * plugin.h (invoke_plugin_callbacks): Annotate arguments
363         with ATTRIBUTE_UNUSED.
364
365 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
366
367         PR target/43921
368         * config/i386/i386.c (get_some_local_dynamic_name): Replace
369         INSN_P with NONDEBUG_INSN_P.
370         (distance_non_agu_define): Likewise.
371         (distance_agu_use): Likewise.
372
373 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
374
375         From Dominique d'Humieres <dominiq@lps.ens.fr>
376         PR bootstrap/43858
377         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
378         test_set.
379
380 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
381
382         * plugin.h (invoke_plugin_callbacks): New inline function.
383         * plugin.c (flag_plugin_added): New global flag.
384         (add_new_plugin): Initialize above flag.
385         (invoke_plugin_callbacks): Rename to ...
386         (invoke_plugin_callbacks_full): ... this.
387
388 2010-04-28  Jan Hubicka  <jh@suse.cz>
389
390         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
391         (lto_varpool_replace_node): New.
392         (lto_symtab_resolve_symbols): Resolve varpool nodes.
393         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
394         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
395         * cgraph.h (varpool_node_ptr): New type.
396         (varpool_node_ptr): New vector.
397         (varpool_node_set_def): New structure.
398         (varpool_node_set): New type.
399         (varpool_node_set): New vector.
400         (varpool_node_set_element_def): New structure.
401         (varpool_node_set_element, const_varpool_node_set_element): New types.
402         (varpool_node_set_iterator): New type.
403         (varpool_node): Add prev pointers, add used_from_other_partition,
404         in_other_partition.
405         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
406         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
407         varpool_get_node, varpool_remove_node): Declare.
408         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
409         varpool_node_set_size): New inlines.
410         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
411         * tree-pass.h (varpool_node_set_def): Forward declare.
412         (ipa_opt_pass_d): Summary writting takes vnode sets too.
413         (ipa_write_optimization_summaries): Update prototype.
414         * ipa-cp.c (ipcp_write_summary): Update.
415         * ipa-reference.c (ipa_reference_write_summary): Update.
416         * lto-cgraph.c (lto_output_varpool_node): New static function.
417         (output_varpool): New function.
418         (input_varpool_node): New static function.
419         (input_varpool_1): New function.
420         (input_cgraph): Input varpool.
421         * ipa-pure-const.c (pure_const_write_summary): Update.
422         * lto-streamer-out.c (lto_output): Update, output varpool too.
423         (write_global_stream): Kill WPA hack.
424         (produce_asm_for_decls): Update.
425         (output_alias_pair_p): Handle variables.
426         (output_unreferenced_globals): Output only needed partition of varpool.
427         * ipa-inline.c (inline_write_summary): Update.
428         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
429         cgraph.
430         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
431         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
432         varpool_node_set_new, varpool_node_set_add,
433         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
434         debug_varpool_node_set): New functions.
435         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
436         (execute_one_pass): Process new decls too.
437         (ipa_write_summaries_2): Pass around vsets.
438         (ipa_write_summaries_1): Likewise.
439         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
440         to add.
441         (ipa_write_optimization_summaries_1): Pass around vsets.
442         (ipa_write_optimization_summaries): Likewise.
443         * varpool.c (varpool_get_node): New.
444         (varpool_node): Update doubly linked lists.
445         (varpool_remove_node): New.
446         (dump_varpool_node): More dumping.
447         (varpool_enqueue_needed_node): Update doubly linked lists.
448         (decide_is_variable_needed): Kill ltrans hack.
449         (varpool_finalize_decl): Kill lto hack.
450         (varpool_assemble_decl): Skip decls in other partitions.
451         (varpool_assemble_pending_decls): Update doubly linkes lists.
452         (varpool_empty_needed_queue): Likewise.
453         (varpool_extra_name_alias): Likewise.
454         * lto-streamer.c (lto_get_section_name): Add vars section.
455         * lto-streamer.h (lto_section_type): Update.
456         (output_varpool, input_varpool): Declare.
457
458 2010-04-28  Mike Stump  <mikestump@comcast.net>
459
460         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
461
462 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
463
464         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
465         record or union type with RECORD_OR_UNION_TYPE_P predicate.
466         (lto_input_ts_type_tree_pointers): Likewise.
467         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
468         (lto_output_ts_type_tree_pointers): Likewise.
469
470 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
471
472         Uniquization of constants at the Tree level
473         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
474         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
475         bit to the end.
476         (tree_output_constant_def): Declare.
477         * gimplify.c (gimplify_init_constructor): When using block copy, first
478         uniquize the constant constructor on the RHS.
479         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
480         DECL_IN_CONSTANT_POOL flag.
481         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
482         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
483         constant pool.
484         (assemble_variable): Deal with symbols belonging to the tree constant
485         pool.
486         (get_constant_section): Add ALIGN parameter and simplify.
487         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
488         (assemble_constant_contents): Use the expression of the VAR_DECL.
489         (output_constant_def_contents): Use the alignment of the VAR_DECL.
490         (tree_output_constant_def): New global function.
491         (mark_constant): Use the expression of the VAR_DECL.
492         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
493         its expression.
494         (output_object_block): Likewise and assemble the expression.
495
496 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
497
498         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
499         hash_tree, eq_tree): New tree hash table.
500         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
501         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
502         lto_orig_address_remove): Reimplement.
503
504 2010-04-28  Xinliang David Li  <davidxl@google.com>
505
506         PR c/42643
507         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
508         (compute_uninit_opnds_pos): New function.
509         (is_non_loop_exit_postdominating): New function.
510         (compute_control_dep_chain): New function.
511         (find_pdom): New function.
512         (convert_control_dep_chain_into_preds): New function.
513         (find_predicates): New function.
514         (find_control_equiv_block): New function.
515         (collect_phi_def_edges): New function.
516         (find_def_preds): New function.
517         (find_dom): New function.
518         (dump_predicates): New function.
519         (get_cmp_code): New function.
520         (is_value_included_in): New function.
521         (find_matching_predicate_in_rest_chains): New function.
522         (use_pred_not_overlap_with_undef_path_pred): New function.
523         (is_use_properly_guarded): New function.
524         (normalize_cond_1): New function.
525         (is_and_or_or): New function.
526         (normalize_cond): New function.
527         (is_gcond_subset_of): New function.
528         (is_subset_of_any): New function.
529         (is_or_set_subset_of): New function.
530         (is_and_set_subset_of): New function.
531         (is_norm_cond_subset_of): New function.
532         (is_pred_expr_subset_of): New function.
533         (is_pred_chain_subset_of): New function.
534         (is_included_in): New function.
535         (is_superset_of): New function.
536         (find_uninit_use): New function.
537         (warn_uninitialized_phi): New function.
538         (compute_possibly_undefined_names): New function.
539         (ssa_undefined_value_p): New function.
540         (execute_late_warn_uninitialized): New function.
541         * tree-ssa.c (ssa_undefined_value_p): Removed.
542         (warn_uninit): Changed to extern.
543         (warn_uninitialized_phi): Removed.
544         (warn_uninitialized_vars): Changed to extern.
545         (execute_late_warn_uninitialized): Removed
546         * tree-flow.h: Add new prototypes.
547         * timevar.def: Add new time variable.
548         * Makefile.in: Add new build file.
549
550 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
551
552         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
553         type if available.
554
555 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
556
557         PR target/22224
558         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
559
560 2010-04-28  Martin Jambor  <mjambor@suse.cz>
561
562         * cgraph.h (struct cgraph_node): New field indirect_calls.
563         (struct cgraph_indirect_call_info): New type.
564         (struct cgraph_edge): Removed field indirect_call. New fields
565         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
566         (cgraph_create_indirect_edge): Declare.
567         (cgraph_make_edge_direct): Likewise.
568         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
569         * ipa-prop.h (struct ipa_param_call_note): Removed.
570         (struct ipa_node_params): Removed field param_calls.
571         (ipa_create_all_structures_for_iinln): Declare.
572         * cgraph.c: Described indirect edges and uids in initial comment.
573         (cgraph_add_edge_to_call_site_hash): New function.
574         (cgraph_edge): Search also among the indirect edges, use
575         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
576         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
577         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
578         site hash.
579         (initialize_inline_failed): Assign a reason to indirect edges.
580         (cgraph_create_edge_1): New function.
581         (cgraph_create_edge): Moved some functionality to
582         cgraph_create_edge_1.
583         (cgraph_create_indirect_edge): New function.
584         (cgraph_edge_remove_callee): Add an assert checking for
585         non-indirectness.
586         (cgraph_edge_remove_caller): Special-case indirect edges.
587         (cgraph_remove_edge): Likewise.
588         (cgraph_set_edge_callee): New function.
589         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
590         (cgraph_make_edge_direct): New function.
591         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
592         the declaration of the call statement matches.
593         (cgraph_node_remove_callees): Special-case indirect edges.
594         (cgraph_clone_edge): Likewise.
595         (cgraph_clone_node): Clone also the indirect edges.
596         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
597         indirect_call, dump count of indirect_calls edges.
598         * ipa-prop.c (iinlining_processed_edges): New variable.
599         (ipa_note_param_call): Create indirect edges instead of
600         creating notes.  New parameter node.
601         (ipa_analyze_call_uses): New parameter node, pass it on to
602         ipa_note_param_call.
603         (ipa_analyze_stmt_uses): Likewise.
604         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
605         (print_edge_addition_message): Work on edges rather than on notes.
606         (update_call_notes_after_inlining): Likewise, renamed to
607         update_indirect_edges_after_inlining.
608         (ipa_create_all_structures_for_iinln): New function.
609         (ipa_free_node_params_substructures): Do not free notes.
610         (ipa_edge_duplication_hook): Propagate bits within
611         iinlining_processed_edges bitmap.
612         (ipa_node_duplication_hook): Do not duplicate notes.
613         (free_all_ipa_structures_after_ipa_cp): Renamed to
614         ipa_free_all_structures_after_ipa_cp.
615         (free_all_ipa_structures_after_iinln): Renamed to
616         ipa_free_all_structures_after_iinln.g
617         (ipa_write_param_call_note): Removed.
618         (ipa_read_param_call_note): Removed.
619         (ipa_write_indirect_edge_info): New function.
620         (ipa_read_indirect_edge_info): Likewise.
621         (ipa_write_node_info): Do not stream notes, do stream information
622         in indirect edges.
623         (ipa_read_node_info): Likewise.
624         (lto_ipa_fixup_call_notes): Removed.
625         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
626         * ipa-inline.c (pass_ipa_inline): Likewise.
627         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
628         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
629         * tree-inline.c (copy_bb): Removed an unnecessary double check for
630         is_gimple_call.
631         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
632         edges.
633         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
634         (output_cgraph): Stream also indirect edges.
635         (lto_output_edge): Added capability to stream indirect edges.
636         (input_edge): Likewise.
637         (input_cgraph_1): Likewise.
638         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
639         of indirect edges.
640
641 2010-04-28  Richard Guenther  <rguenther@suse.de>
642
643         PR tree-optimization/43879
644         PR tree-optimization/43909
645         * tree-ssa-structalias.c (struct variable_info): Add
646         only_restrict_pointers flag.
647         (new_var_info): Initialize it.  Increment stats.total_vars here.
648         (create_function_info_for): Do not increment stats.total_vars
649         here.
650         (get_function_part_constraint): Fix build with C++.
651         (insert_into_field_list): Remove.
652         (push_fields_onto_fieldstack): Properly merge fields.
653         (create_variable_info_for): Split and simplify.
654         (create_variable_info_for_1): New piece.
655         (intra_create_variable_infos): Properly make restrict constraints
656         from parameters.
657
658 2010-04-28  Richard Guenther  <rguenther@suse.de>
659
660         PR c++/43880
661         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
662
663 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
664             Jan Hubicka <hubicka@ucw.cz>
665
666         * doc/invoke.texi (-Wsuggest-attribute=const,
667         -Wsuggest-attribute=pure): Document.
668         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
669         (function_always_visible_to_compiler_p,
670         suggest_attribute, warn_function_pure, warn_function_const):
671         New functions.
672         (check_call): Improve debug info.
673         (analyze_function): Do not check availability.
674         (add_new_function): Check availability.
675         (propagate): Output warnings.
676         (skip_function_for_local_pure_const): New function.
677         (local_pure_const): Use it; output warnings.
678         * common.opt (Wsuggest-attribute=const,
679         Wsuggest-attribute=pure): New.
680
681 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
682
683         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
684         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
685         or DW_CFA_def_cfa_offset{,_sf}.
686
687 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
688
689         * tree.h: Fix truncated long macros.
690
691 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
692
693         * collect2.c (TARGET_64BIT): Redefine to target's default.
694         * tlink.c: Likewise.
695         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
696         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
697         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
698         for underscoring __USER_LABEL_PREFIX__.
699         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
700         (SUB_LINK_ENTRY32): New.
701         (SUB_LINK_ENTRY64): New.
702         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
703         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
704         (SUB_LINK_ENTRY64): New.
705         (SUB_LINK_ENTRY): New.
706         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
707         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
708         x64 target is choosen.
709         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
710         * configure: Regenerated.
711         * configure.ac (leading-mingw64-underscores): Option added.
712
713 2010-04-27  Jan Hubicka  <jh@suse.cz>
714
715         * doc/invoke.texi (-fipa-profile): Document.
716         * opts.c (decode_options): Enable ipa-profile at -O1.
717         * timevar.def (TV_IPA_PROFILE): Define.
718         * common.opt (fipa-profile): Add.
719         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
720         flag for clones.
721         (cgraph_propagate_frequency): Handle only local ones.
722         * tree-pass.h (pass_ipa_profile): Declare.
723         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
724         (pass_ipa_profile): Use TV_IPA_PROFILE.
725         * ipa.c (ipa_profile): New function.
726         (gate_ipa_profile): Likewise.
727         (pass_ipa_profile): New global variable.
728         * passes.c (pass_ipa_profile): New.
729
730 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
731
732         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
733
734 2010-04-27  Martin Jambor  <mjambor@suse.cz>
735
736         PR middle-end/43812
737         * ipa.c (dissolve_same_comdat_group_list): New function.
738         (function_and_variable_visibility): Call
739         dissolve_same_comdat_group_list when comdat group contains external or
740         newly local nodes.
741         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
742         lists are circular and that they contain only DECL_ONE_ONLY nodes.
743
744 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
745
746         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
747         (const_hash_1) <VECTOR_CST>: New case.
748         (compare_constant) <VECTOR_CST>: Likewise.
749         <ADDR_EXPR>: Deal with LABEL_REFs.
750         (copy_constant) <VECTOR_CST>: New case.
751
752 2010-04-27  Jan Hubicka  <jh@suse.cz>
753
754         * cgraph.c (cgraph_propagate_frequency): New function.
755         * cgraph.h (cgraph_propagate_frequency): Declare.
756         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
757         cgraph_propagate_frequency.
758
759 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
760
761         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
762
763 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
764
765         PR target/40657
766         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
767         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
768         here to determine which regs to push and how much stack to reserve.
769
770 2010-04-27  Jie Zhang  <jie@codesourcery.com>
771
772         * doc/gimple.texi (gimple_statement_with_ops): Remove
773         addresses_taken field.
774         (gimple_statement_with_memory_ops): Likewise.
775
776 2010-04-27  Jan Hubicka  <jh@suse.cz>
777
778         * tree-inline.c (eni_inlining_weights): Remove.
779         (estimate_num_insns): Special case more builtins.
780
781 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
782
783         PR c/32207
784         * c-typeck.c (build_binary_op): Move forward check for comparison
785         pointer with null pointer constant and adjust the diagnostic message.
786
787 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
788
789         PR lto/42776
790         * configure.ac (gcc_cv_as_section_has_align): Set if installed
791         binutils supports extended .section directive needed by LTO, or
792         warn if older binutils found.
793         (LTO_BINARY_READER): New AC_SUBST'd variable.
794         (LTO_USE_LIBELF): Likewise.
795         * gcc/config.gcc (lto_binary_reader): New target-specific configure
796         variable.
797         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
798         (LTO_USE_LIBELF): Likewise.
799         * configure: Regenerate.
800
801         * collect2.c (is_elf): Rename from this ...
802         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
803          object files in addition to ELF-formatted ones.
804         (scan_prog_file): Caller updated.  Also allow for LTO info marker
805         symbol to be prefixed or not by an extra underscore.
806
807         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
808         * config/i386/winnt.c: Also #include lto-streamer.h
809         (i386_pe_asm_named_section): Specify 1-byte section alignment for
810         LTO named sections.
811         (i386_pe_asm_output_aligned_decl_common): Add comment.
812         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
813
814 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
815
816         PR target/43889
817         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
818         Add missing earlyclobber for second alternative.
819
820 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
821
822         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
823         bits for artificial defs at the top of the block.
824         * fwprop.c (single_def_use_enter_block): Don't call it.
825
826 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
827
828         PR 43715
829         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
830         instead of "$gcc_cv_objdump -T".
831         Use "-undefined dynamic_lookup" on darwin.
832         * gcc/configure: Regenerate.
833
834 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
835
836         PR c/43893
837         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
838
839 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
840
841         * c-parser.c (struct c_token): Move location field up.
842         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
843         (struct c_declspecs): Convert typespec_word, storage_class, and
844         default_int_p into bitfields.
845         (struct c_declarator): Move loc field up.
846
847 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
848
849         * cfgloop.h (struct loop): Move can_be_parallel field up.
850         * ipa-prop.h (struct ip_node_params): Move bitfields up.
851         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
852         down.
853         (struct iv_cand): Convert pos field into a bitfield.
854         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
855         field up.
856         (struct _stmt_vec_info): Shuffle fields for better packing.
857
858 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
859
860         * varasm.c (IN_NAMED_SECTION): Remove guard.
861         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
862         (IN_NAMED_SECTION_P): ...this.
863         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
864         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
865
866 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
867
868         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
869         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
870         of shadowing it.  Fix comments.
871
872 2010-04-26  Jan Hubicka  <jh@suse.cz>
873
874         * cgraph.c (cgraph_create_node): Set node frequency to normal.
875         (cgraph_clone_node): Copy function frequency.
876         * cgraph.h (node_frequency): New enum
877         (struct cgraph_node): Add.
878         * final.c (rest_of_clean_state): Update.
879         * lto-cgraph.c (lto_output_node): Output node frequency.
880         (input_overwrite_node): Input node frequency.
881         * tre-ssa-loop-ivopts (computation_cost): Update.
882         * lto-streamer-out.c (output_function): Do not output function
883         frequency.
884         * predict.c (maybe_hot_frequency_p): Update and handle functions
885         executed once.
886         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
887         attribute lookup.
888         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
889         (compute_function_frequency): Set noreturn functions to be executed
890         once.
891         (choose_function_section): Update.
892         * lto-streamer-in.c (input_function): Do not input function frequency.
893         * function.c (allocate_struct_function): Do not initialize function
894         frequency.
895         * function.h (function_frequency): Remove.
896         (struct function): Remove function frequency.
897         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
898         (try_update): Update.
899         * tree-inline.c (initialize_cfun): Do not update function frequency.
900         * passes.c (pass_init_dump_file): Update.
901         * i386.c (ix86_compute_frame_layout): Update.
902         (ix86_pad_returns): Update.
903
904 2010-04-26  Jie Zhang  <jie@codesourcery.com>
905
906         PR tree-optimization/43833
907         * tree-vrp.c (range_int_cst_p): New.
908         (range_int_cst_singleton_p): New.
909         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
910         when both operands are constants.  Use range_int_cst_p in
911         BIT_IOR_EXPR case.
912
913 2010-04-26  Jan Hubicka  <jh@suse.cz>
914
915         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
916
917 2010-04-26  Richard Guenther  <rguenther@suse.de>
918
919         PR lto/43080
920         * gimple.c (gimple_decl_printable_name): Deal gracefully
921         with a NULL DECL_NAME.
922
923 2010-04-26  Richard Guenther  <rguenther@suse.de>
924
925         PR lto/42425
926         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
927         if emitting debug information and it is either a function
928         or a namespace decl.
929
930 2010-04-26  Ira Rosen  <irar@il.ibm.com>
931
932         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
933         determine if the statement is vectorizable, and a macro to access it.
934         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
935         Skip statements that can't be vectorized. If the analysis fails,
936         mark the statement as unvectorizable if vectorizing basic block.
937         (vect_compute_data_refs_alignment): Likewise.
938         (vect_verify_datarefs_alignment): Skip statements marked as
939         unvectorizable. Add print.
940         (vect_analyze_group_access): Skip statements that can't be
941         vectorized. If the analysis fails, mark the statement as
942         unvectorizable if vectorizing basic block.
943         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
944         * tree-vect-stmts.c (vectorizable_store): Fix the number of
945         generated stmts for SLP.
946         (new_stmt_vec_info): Initialize the new field.
947         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
948         statements marked as unvectorizable.
949
950 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
951
952         * c-common.c (flag_isoc1x): New.
953         (flag_isoc99): Update comment.
954         * c-common.h (flag_isoc1x): New.
955         (flag_isoc99): Update comment.
956         * c-cppbuiltin.c (builtin_define_float_constants): Also define
957         __<type>_DECIMAL_DIG__.
958         * c-opts.c (set_std_c1x): New.
959         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
960         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
961         * c.opt (-std=c1x, -std=gnu1x): New options.
962         * doc/cpp.texi: Mention -std=c1x.
963         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
964         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
965         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
966         * doc/standards.texi: Mention C1X.
967         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
968         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
969         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
970         Define for C1X.
971
972 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
973
974         * config/i386/gmon-sol2.c (_mcleanup): Change format string
975         placeholder from 0x%x to %#x.
976         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
977         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
978         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
979         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
980         * config/i386/i386.c (ix86_target_string): Ditto.
981         (output_pic_addr_const): Ditto.
982         (print_operand): Ditto.
983
984 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
985
986         * combine.c (find_split_point): Add third argument.  Use it
987         to find nested multiply-accumulate instructions.  Adjust calls.
988         (try_combine): Adjust call to find_split_point.
989
990 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
991
992         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
993
994 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
995
996         PR tree-optimization/41442
997         * fold-const.c (merge_truthop_with_opposite_arm): New function.
998         (fold_binary_loc): Call it.
999
1000 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1001
1002         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1003         * opts.c (common_handle_option): Allow disabling it.
1004         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1005
1006 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1007
1008         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1009         between modes if both types are integral.
1010
1011 2010-04-23  Richard Guenther  <rguenther@suse.de>
1012
1013         PR tree-optimization/43572
1014         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1015
1016 2010-04-23  Richard Guenther  <rguenther@suse.de>
1017
1018         PR lto/43455
1019         * tree-inline.c (tree_can_inline_p): Also check compatibility
1020         of return types.
1021
1022 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1023
1024         PR tree-optimization/43846
1025         * tree-sra.c (struct access): New flag grp_assignment_read.
1026         (build_accesses_from_assign): Set grp_assignment_read.
1027         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1028         (enum mark_read_status): New type.
1029         (analyze_access_subtree): Propagate grp_assignment_read, create
1030         accesses also if both direct_read and root->grp_assignment_read.
1031
1032 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1033
1034         PR middle-end/43835
1035         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1036         function does not have type attributes.
1037
1038 2010-04-23  Richard Guenther  <rguenther@suse.de>
1039
1040         PR lto/42653
1041         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1042         of FUNCTION_DECLs.
1043
1044 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1045
1046         * sese.h (create_if_region_on_edge): Remove.
1047
1048         * sese.c (create_if_region_on_edge): Make static.
1049
1050         * tree-inline.c: Do not include ggc.h.
1051
1052         * expr.c: Do not include ggc.h.
1053
1054         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1055         dependencies.
1056
1057 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1058
1059         PR target/43744
1060         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1061         in the middle of insns for casesi_worker_2.
1062
1063 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1064
1065         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1066
1067 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1068
1069         PR tree-optimization/43842
1070         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1071         loop unrolling in update of exit phis. Fix comment.
1072         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1073         least two reduction statements in the loop before starting SLP
1074         analysis.
1075
1076 2010-04-22  Nick Clifton  <nickc@redhat.com>
1077
1078         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1079
1080 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1081
1082         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1083         to simplify a + ~a.
1084
1085 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1086
1087         * tree-parloops.c (loop_parallel_p): New argument
1088         parloop_obstack.  Pass it down.
1089         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1090         pass it down, free it.
1091
1092         * tree-loop-linear.c (linear_transform_loops): Pass down
1093         lambda_obstack.
1094
1095         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1096         of type struct obstack *.
1097
1098         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1099         scratch_obstack.  Initialize it, pass down, free it.
1100
1101         * lambda.h (lambda_loop_new): Remove.
1102         (lambda_matrix_new, lambda_matrix_inverse)
1103         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1104         argument of type struct obstack *.
1105
1106         * lambda-trans.c (lambda_trans_matrix_new): New argument
1107         lambda_obstack.  Pass it down, use obstack allocation for ret.
1108         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1109         it down.
1110
1111         * lambda-mat.c (lambda_matrix_get_column)
1112         (lambda_matrix_project_to_null): Remove.
1113         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1114         allocation for mat.
1115         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1116         lambda_obstack.
1117
1118         * lambda-code.c (lambda_loop_new): New function.
1119         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1120         (lambda_compute_auxillary_space, lambda_compute_target_space)
1121         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1122         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1123         (build_access_matrix): New argument lambda_obstack.  Use obstack
1124         allocation for am.
1125         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1126         argument lambda_obstack.  Pass it down.
1127
1128 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1129
1130         * optabs.h (expand_widening_mult): Declare.
1131
1132 2010-04-22  Richard Guenther  <rguenther@suse.de>
1133
1134         PR tree-optimization/43845
1135         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1136         lookup the CALL_EXPR function and arguments.
1137
1138 2010-04-22  Nick Clifton  <nickc@redhat.com>
1139
1140         * config/stormy16/stormy16.c
1141         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1142         * config/stormy16/stormy16.h: Tidy up formatting.
1143         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1144         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1145         (ineqbranchsi): Delete pattern.
1146         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1147         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1148         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1149         stormy16-lib2-ucmpsi2.c.
1150
1151 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1152
1153         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1154         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1155         extra set merge_set_noclobber, and use it to relax the final test
1156         slightly.
1157         * df.h (df_simulate_find_noclobber_defs): Declare.
1158         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1159         conditional defs.
1160         (df_simulate_find_noclobber_defs): New function.
1161
1162 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1163
1164         * config/i386/i386.md: Use {} around multi-line preparation statements.
1165
1166 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1167
1168         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1169         (process_init_element): New argument of type struct obstack *.
1170
1171         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1172         (set_init_index, set_init_label, set_nonincremental_init)
1173         (set_nonincremental_init_from_string, find_init_member)
1174         (output_init_element, output_pending_init_elements)
1175         (process_init_element): New argument braced_init_obstack.  Pass it
1176         down.
1177         (push_range_stack, add_pending_init): New argument
1178         braced_init_obstack.  Use obstack allocation.
1179
1180         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1181         braced_init_obstack.  Pass it down.
1182         (c_parser_braced_init): New variables ret, braced_init_obstack.
1183         Initialize obstack, pass it down and finally free it.
1184
1185 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1186
1187         PR middle-end/29274
1188         * tree-pass.h (pass_optimize_widening_mul): Declare.
1189         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1190         gate_optimize_widening_mul): New static functions.
1191         (pass_optimize_widening_mul): New.
1192         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1193         <case MULT_EXPR>: Remove support for widening multiplies.
1194         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1195         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1196         simplify_gen_unary rather than directly building extensions.
1197         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1198         WIDEN_MULT_EXPR.
1199         * expmed.c (expand_widening_mult): New function.
1200         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1201
1202 2010-04-21  Jan Hubicka  <jh@suse.cz>
1203
1204         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1205         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1206         * lto-wpa-fixup.c: Remove.
1207         * Makefile.in (lto-wpa-fixup.o): Remove.
1208         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1209         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1210         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1211
1212 2010-04-21  Jan Hubicka  <jh@suse.cz>
1213
1214         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1215         add write_optimization_summary, read_optimization_summary.
1216         (ipa_write_summaries_of_cgraph_node_set): Remove.
1217         (ipa_write_optimization_summaries): Declare.
1218         (ipa_read_optimization_summaries): Declare.
1219         * ipa-cp.c (pass_ipa_cp): Update.
1220         * ipa-reference.c (pass_ipa_reference): Update.
1221         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1222         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1223         Update.
1224         * ipa-inline.c (pass_ipa_inline): Update.
1225         * ipa.c (pass_ipa_whole_program): Update.
1226         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1227         * passes.c (ipa_write_summaries_1): Do not test wpa.
1228         (ipa_write_optimization_summaries_1): New.
1229         (ipa_write_optimization_summaries): New.
1230         (ipa_read_summaries): Do not test ltrans.
1231         (ipa_read_optimization_summaries_1): New.
1232         (ipa_read_optimization_summaries): New.
1233
1234 2010-04-21  Jan Hubicka  <jh@suse.cz>
1235
1236         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1237         for boundary nodes.
1238         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1239
1240 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1241
1242         PR debug/40040
1243         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1244         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1245
1246 2010-04-21  Jan Hubicka  <jh@suse.cz>
1247
1248         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1249
1250 2010-04-21  Jan Hubicka  <jh@suse.cz>
1251
1252         * varpool.c (decide_is_variable_needed): Variable is always needed
1253         during ltrans.
1254
1255 2010-04-21  Jan Hubicka  <jh@suse.cz>
1256
1257         * opts.c (decode_options): Enable pure-const pass for whopr.
1258
1259 2010-04-21  Jan Hubicka  <jh@suse.cz>
1260
1261         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1262         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1263         at WPA dumping.
1264         (cgraph_decide_inlining): Do not expect callee to be removed in all
1265         cases.
1266
1267 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1268
1269         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1270
1271 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1272
1273         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1274         amdfam10_decode attributes.
1275
1276 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1277
1278         PR middle-end/43570
1279         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1280         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1281         (lower_copyprivate_clauses): Use private var in outer
1282         context instead of original var.  Make sure the types
1283         are correct for VLAs.
1284
1285 2010-04-21  Richard Guenther  <rguenther@suse.de>
1286
1287         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1288         to non-pointer objects.
1289
1290 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1291
1292         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1293         last chain entry if it starts with the still current label.
1294         (add_location_or_const_value_attribute): Check that
1295         loc_list->first->next is NULL instead of comparing ->first with ->last.
1296         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1297         to add_var_loc_to_decl.
1298
1299         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1300         >= 4 add also address size and segment size fields into CIE header.
1301
1302         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1303         long as address size is the same as sizeof (void *) and
1304         segment size is 0.
1305         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1306         address size or segment size is unexpected, return DW_EH_PE_omit.
1307         (classify_object_over_fdes): If get_cie_encoding returned
1308         DW_EH_PE_omit, return -1.
1309         (init_object): If classify_object_over_fdes returned -1,
1310         pretend there were no FDEs at all.
1311
1312 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1313
1314         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1315         bswap{si,di}2 using SWI48 mode iterator.
1316         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1317         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1318         set modrm attribute of bswap insn to 0 and remove length attribute.
1319         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1320         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1321         set mode attribute to <MODE> and remove length attribute.
1322
1323 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1324
1325         PR rtl-optimization/43520
1326         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1327         zero available registers.
1328
1329 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1330
1331         * builtins.c (fold_builtin_cproj): Fold more cases.
1332
1333 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1334
1335         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1336         (fold_builtin_1): Fold builtin cproj.
1337         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1338         Use ATTR_CONST_NOTHROW_LIST.
1339
1340 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1341
1342         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1343         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1344         ffsi2_no_cmove for !TARGET_CMOVE.
1345         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1346         (ffssi2): Remove expander.
1347         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1348         mode iterator.
1349         (ctz<mode>2): Ditto from ctz{si,di}2.
1350         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1351         mode iterator.
1352         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1353         mode iterator.
1354
1355 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1356
1357         * dwarf2out.c (AT_linkage_name): Define.
1358         (clone_as_declaration): Handle DW_AT_linkage_name.
1359         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1360         of DW_AT_MIPS_linkage_name.
1361         (move_linkage_attr): Likewise.
1362         (dwarf2out_finish): Likewise.
1363
1364 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1365
1366         PR middle-end/41952
1367         * fold-const.c (fold_comparison): New folding rule.
1368
1369 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1370
1371         * double-int.h (double_int_setbit): Declare.
1372         * double-int.c (double_int_setbit): New function.
1373         * rtl.h (immed_double_int_const): Declare.
1374         * emit-rtl.c (immed_double_int_const): New function.
1375         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1376         and immed_double_int_const functions.
1377         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1378         expand_copysign_bit):  (Ditto.).
1379         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1380         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1381         * dojump.c (prefer_and_bit_test): (Ditto.).
1382         * expr.c (convert_modes, reduce_to_bit_field_precision,
1383         const_vector_from_tree): (Ditto.).
1384         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1385
1386 2010-04-20  Jan Hubicka  <jh@suse.cz>
1387
1388         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1389         (dump_cgraph_node): Dump new flags.
1390         * cgraph.h (struct cgraph_node): Add flags
1391         reachable_from_other_partition and in_other_partition.
1392         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1393         other partition can not be removed.
1394         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1395         the other partition must be output; silence sanity checking on
1396         leaking functions bodies from other paritition.
1397         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1398         (lto_output_node): Output new flags; do not sanity check that inline
1399         clones are output; drop lto_forced_extern_inline_p code; do not mock
1400         visibility flags at partition boundaries.
1401         (add_node_to): New function.
1402         (output_cgraph): Use it to sort functions so masters appear before
1403         clones.
1404         (input_overwrite_node): Input new flags.
1405         * passes.c (ipa_write_summaries): Do not call
1406         lto_new_extern_inline_states.
1407         * lto-section-out.c (forced_extern_inline,
1408         lto_new_extern_inline_states lto_delete_extern_inline_states,
1409         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1410         * lto-streamer.h (lto_new_extern_inline_states,
1411         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1412         lto_forced_extern_inline_p): Kill.
1413
1414 2010-04-20  Richard Guenther  <rguenther@suse.de>
1415
1416         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1417         from vars that can have pointers.
1418         (process_constraint): Dump useless constraints.
1419
1420 2010-04-20  Richard Guenther  <rguenther@suse.de>
1421
1422         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1423         (dump_sa_points_to_info): Remove asserts.
1424         (init_base_vars): nothing_id isn't an escape point nor does it
1425         have pointers.
1426
1427 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1428
1429         * tree.h (TYPE_REF_IS_RVALUE): Define.
1430         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1431         should_move_die_to_comdat, prune_unused_types_walk): Handle
1432         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1433         (modified_type_die, gen_reference_type_die): Emit
1434         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1435         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1436
1437 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1438
1439         PR target/43635
1440         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1441         calls for -fpic -m31 if they have been sibcall optimized.
1442
1443 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1444
1445         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1446         ar.lc fixed and call-used.
1447
1448         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1449
1450 2010-04-19  Jan Hubicka  <jh@suse.cz>
1451
1452         * opts.c (decode_options): Disable whpr incompatible passes.
1453         * lto/lto.c (lto_1_to_1_map): Skip clones.
1454         (read_cgraph_and_symbols): Do not mark everything as needed.
1455         (do_whole_program_analysis): Do map only after optimizing;
1456         set proper cgraph_state; use passmanager.
1457
1458 2010-04-19  DJ Delorie  <dj@redhat.com>
1459
1460         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1461         POINTER_PLUS_EXPR and fix them.
1462
1463 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1464
1465         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1466         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1467         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1468         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1469         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1470         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1471         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1472         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1473         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1474         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1475         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1476
1477 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1478
1479         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1480         (check_cond_move_block): Likewise.
1481         (cond_move_process_if_block): Likewise.
1482         (noce_find_if_block): Improve formatting.
1483         (find_if_header): Pass 0 to memset and tweak conditions.
1484         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1485
1486 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1487
1488         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1489         for -gdwarf-4.
1490
1491         PR middle-end/43337
1492         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1493         with non-local decl doesn't need chain.
1494
1495 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1496
1497         * ira-color.c (allocno_reload_assign): Avoid accumulating
1498         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1499
1500 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1501
1502         * gimple.h (create_tmp_reg): Declare.
1503         * gimplify.c (create_tmp_reg): New function.
1504         (gimplify_return_expr): Use create_tmp_reg.
1505         (gimplify_omp_atomic): Likewise.
1506         (gimple_regimplify_operands): Likewise.
1507         * tree-dfa.c (make_rename_temp): Likewise.
1508         * tree-predcom.c (predcom_tmp_var): Likewise.
1509         (reassociate_to_the_same_stmt): Likewise.
1510         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1511         (get_replaced_param_substitute): Likewise.
1512         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1513         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1514         * tree-ssa-pre.c (get_representative_for): Likewise.
1515         (create_expression_by_pieces): Likewise.
1516         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1517         (create_tailcall_accumulator): Likewise.
1518
1519 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1520
1521         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1522         new_stmt.
1523         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1524
1525 2010-04-19  Richard Guenther  <rguenther@suse.de>
1526
1527         PR tree-optimization/43796
1528         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1529         from SCEV in the lattice.
1530         (vrp_visit_phi_node): Dump change.
1531
1532 2010-04-19  Richard Guenther  <rguenther@suse.de>
1533
1534         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1535         * configure: Re-generated.
1536
1537 2010-04-19  Richard Guenther  <rguenther@suse.de>
1538
1539         PR tree-optimization/43783
1540         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1541         constant ARRAY_REF operands two and three if possible.
1542
1543 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1544
1545         PR target/43766
1546         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1547
1548 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1549
1550         PR target/43662
1551         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1552
1553 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1554
1555         PR tree-optimization/37027
1556         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1557         and macro to access it.
1558         (vectorizable_reduction): Add argument.
1559         (vect_get_slp_defs): Likewise.
1560         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1561         statements for possible use in SLP.
1562         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1563         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1564         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1565         add new argument.
1566         (vectorizable_reduction): Likewise.
1567         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1568         vect_get_slp_defs.
1569         (vectorizable_type_demotion, vectorizable_type_promotion,
1570         vectorizable_store): Likewise.
1571         (vect_analyze_stmt): Update call to vectorizable_reduction.
1572         (vect_transform_stmt): Likewise.
1573         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1574         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1575         from different interleaving chains in same node.
1576         (vect_slp_rearrange_stmts): New function.
1577         (vect_supported_load_permutation_p): Allow load permutations for
1578         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1579         inside SLP nodes if necessary.
1580         (vect_analyze_slp_instance): Handle reductions.
1581         (vect_analyze_slp): Try to build SLP instances originating from groups
1582         of reductions.
1583         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1584         (vect_get_constant_vectors): Create initial vectors for reductions
1585         according to reduction code. Add new argument.
1586         (vect_get_slp_defs): Add new argument, pass it to
1587         vect_get_constant_vectors.
1588         (vect_schedule_slp_instance): Remove SLP tree root statements.
1589
1590 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1591
1592         * tree.h (ENUM_IS_SCOPED): Define.
1593         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1594         for ENUM_IS_SCOPED enums.
1595
1596 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1597
1598         * fold-const.c (fold_comparison): Use ssizetype.
1599         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1600         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1601         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1602         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1603
1604         * tree.h (initialize_sizetypes): Remove parameter.
1605         (build_common_tree_nodes): Remove second parameter.
1606         * stor-layout.c (initialize_sizetypes): Remove parameter.
1607         Always create an unsigned type.
1608         (set_sizetype): Assert that the passed type is unsigned and simplify.
1609         * tree.c (build_common_tree_nodes): Remove second parameter.
1610         Adjust call to initialize_sizetypes.
1611         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1612         build_common_tree_nodes.
1613
1614 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1615
1616         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1617
1618 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1619
1620         PR tree-optimization/43771
1621         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1622         load permutation doesn't have gaps.
1623
1624 2010-04-18  Jan Hubicka  <jh@suse.cz>
1625
1626         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1627         (sse_prologue_save_insn expander): Use new pattern.
1628         (sse_prologue_save_insn1): New pattern and splitter.
1629         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1630         blocks.
1631         * i386.c (setup_incoming_varargs_64): Do not compute jump
1632         destination here.
1633         (ix86_gimplify_va_arg): Update alignment needed.
1634         (ix86_local_alignment): Do not align all local arrays to 128bit.
1635
1636 2010-04-17  Jan Hubicka  <jh@suse.cz>
1637
1638         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1639
1640 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1641
1642         * arm.md (negdi2): Remove redundant code to force values into a
1643         register.
1644
1645 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1646
1647         * arm/bpabi.S: Add EABI alignment attributes to objects.
1648         * arm/bpabi-v6m.S: Likewise.
1649         * arm/crti.asm: Likewise.
1650         * arm/crtn.asm: Likewise.
1651         * arm/lib1funcs.asm: Likewise.
1652         * arm/libunwind.S: Likewise.
1653
1654 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1655
1656         * arm-protos.h (tune_params): New structure.
1657         * arm.c (current_tune): New variable.
1658         (arm_constant_limit): Delete.
1659         (struct processors): Add pointer to the tune parameters.
1660         (arm_slowmul_tune): New tuning option.
1661         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1662         (all_cores): Adjust to pick up the tuning model.
1663         (arm_constant_limit): New function.
1664         (arm_override_options): Select the appropriate tuning model.  Delete
1665         initialization of arm_const_limit.
1666         (arm_split_constant): Use the new constant-limit model.
1667         (arm_rtx_costs): Pick up the current tuning model.
1668         * arm.md (is_strongarm, is_xscale): Delete.
1669         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1670         for Xscale variant architectures.
1671         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1672
1673 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1674
1675         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1676         can_shift.
1677         (arm_rtx_costs_1): Remove unused variable extra_cost.
1678         (arm_unwind_emit_set): Use variable offset.
1679         (thumb1_output_casesi): Remove unused variable flags.
1680
1681 2010-04-16  Jeff Law  <law@redhat.com>
1682
1683         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1684         needing assignment rather than doing a two-phase assignment.  Remove
1685         unused variable 'm'.
1686
1687 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1688
1689         PR bootstrap/43767
1690         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1691
1692 2010-04-16  Doug Kwan  <dougkwan@google.com>
1693
1694         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1695         (next_operand_entry_id): New static variable.
1696         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1697         (add_to_ops_vec): Assigned unique ID to operand entry.
1698         (struct oecount_s): New field ID.
1699         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1700         (undistribute_ops_list): Assign unique IDs to oecounts.
1701         (init_reassoc): reset next_operand_entry_id.
1702
1703 2010-04-16  Doug Kwan  <dougkwan@google.com>
1704
1705         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1706         missing left parenthesis.
1707
1708 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1709
1710         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1711         *btdi_rex64 using SWI48 mode iterator.
1712         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1713         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1714         *jcc_btdi_mask_rex64.
1715
1716 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1717
1718         * double-int.h (tree_to_double_int): Convert to macro.
1719         * double-int.c (tree_to_double_int): Remove.
1720
1721 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1722
1723         PR debug/43762
1724         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1725         with want_address 2 and in case a single element list might be
1726         possible, call it again with want_address 0.
1727
1728 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1729
1730         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1731         case 'W' print operands for HI mode.
1732         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1733         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1734         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1735         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1736
1737         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1738
1739         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1740         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1741         #xx:3 and #xx:4 mode.
1742
1743         * config/h8300/h8300.md (inverted load with HImode dest): Add
1744         support for H8300SX.
1745
1746         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1747         satisfy 'U' constraint.
1748
1749 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1750
1751         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1752         * configure: Regenerate.
1753         * config.in: Regenerate.
1754         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1755         works.
1756
1757 2010-04-16  Richard Guenther  <rguenther@suse.de>
1758
1759         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1760         (struct tree_decl_common): ... here.
1761         (DECL_PT_UID): Adjust.
1762         (SET_DECL_PT_UID): Likewise.
1763         (DECL_PT_UID_SET_P): Likewise.
1764
1765 2010-04-16  Richard Guenther  <rguenther@suse.de>
1766
1767         PR tree-optimization/43572
1768         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1769         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1770         * tree-flow.h (is_call_clobbered): Remove.
1771         * tree-flow-inline.h (is_call_clobbered): Likewise.
1772         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1773         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1774         (execute_return_slot_opt): Adjust.
1775         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1776         check for call clobbered vars here.
1777         (find_tail_calls): Move tailcall verification to the
1778         proper place.
1779
1780 2010-04-16  Diego Novillo  <dnovillo@google.com>
1781
1782         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1783
1784 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1785
1786         PR target/40603
1787         * config/arm/arm.md (cbranchqi4): New pattern.
1788         * config/arm/predicates.md (const0_operand,
1789         cbranchqi4_comparison_operator): New predicates.
1790
1791 2010-04-16  Richard Guenther  <rguenther@suse.de>
1792
1793         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1794         (dump_gimple_stmt): Likewise.
1795
1796 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1797
1798         * recog.h (struct recog_data): New field is_operator.
1799         (struct insn_operand_data): New field is_operator.
1800         * recog.c (extract_insn): Set recog_data.is_operator.
1801         * genoutput.c (output_operand_data): Emit code to set the
1802         is_operator field.
1803         * reload.c (find_reloads): Use it rather than testing for an
1804         empty constraint string.
1805
1806         PR target/41514
1807         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1808         If the previous insn is a cbranchsi4_insn with the same arguments,
1809         omit the compare instruction.
1810
1811         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1812         register, inputs must be low registers and we need a low register
1813         scratch.  Handle alternative 2 like alternative 3.
1814
1815 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1816
1817         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1818         don't call get_addr on both.  If one expression is a VALUE and
1819         the other a REG, check VALUE's locs if the REG isn't among them.
1820
1821 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1822
1823         * config/sh/sh.h (sh_frame_pointer_required): New function.
1824         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1825         (flag_omit_frame_pointer) Set.
1826         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1827         (rounded_frame_size): Adjust size with outgoing_args_size.
1828         (sh_set_return_address): Must return from stack pointer.
1829         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1830         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1831         (ACCUMULATE_OUTGOING_ARGS): Define.
1832         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1833         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1834
1835 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1836
1837         PR target/43471
1838         * config/sh/sh.c (sh_legitimize_reload_address): Use
1839         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1840         Remove a unneeded check for offset_base.
1841
1842 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1843
1844         * configure: Regenerated.
1845
1846 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1847
1848         * config/s390/s390.c (s390_call_save_register_used): Switch back
1849         to HARD_REGNO_NREGS.
1850
1851 2010-04-15  Richard Guenther  <rguenther@suse.de>
1852
1853         * alias.c (alias_set_subset_of): Handle alias-set zero
1854         child properly.
1855
1856 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1857             Julian Brown  <julian@codesourcery.com>
1858
1859         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1860         alternatives according to use of high and low regs.
1861         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1862         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1863         optimizing for size on Thumb-2.
1864
1865 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1866
1867         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1868
1869 2010-04-15  Richard Guenther  <rguenther@suse.de>
1870
1871         * tree-ssa-structalias.c (struct variable_info): Add
1872         is_fn_info flag.
1873         (new_var_info): Initialize it.
1874         (dump_constraints): Support printing last added constraints.
1875         (debug_constraints): Adjust.
1876         (dump_constraint_graph): Likewise.
1877         (make_heapvar_for): Check for NULL cfun.
1878         (get_function_part_constraint): New function.
1879         (get_fi_for_callee): Likewise.
1880         (find_func_aliases): Properly implement IPA PTA constraints.
1881         (process_ipa_clobber): New function.
1882         (find_func_clobbers): Likewise.
1883         (insert_into_field_list_sorted): Remove.
1884         (create_function_info_for): Properly allocate vars for IPA mode.
1885         Do not use insert_into_field_list_sorted.
1886         (create_variable_info_for): Properly generate constraints for
1887         global vars in IPA mode.
1888         (dump_solution_for_var): Always dump the solution.
1889         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1890         (find_what_var_points_to): Adjust.
1891         (pt_solution_set): Change.
1892         (pt_solution_ior_into): New function.
1893         (pt_solution_empty_p): Export.
1894         (pt_solution_includes_global): Adjust.
1895         (pt_solution_includes_1): Likewise.
1896         (pt_solutions_intersect_1): Likewise.
1897         (dump_sa_points_to_info): Check some invariants.
1898         (solve_constraints): Move constraint dumping ...
1899         (compute_points_to_sets): ... here.
1900         (ipa_pta_execute): ... and here.
1901         (compute_may_aliases): Do not re-compute points-to info
1902         locally if IPA info is available.
1903         (ipa_escaped_pt): New global var.
1904         (ipa_pta_execute): Properly implement IPA PTA.
1905         * tree-into-ssa.c (dump_decl_set): Support dumping
1906         decls not in referenced-vars.
1907         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1908         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1909         (dump_points_to_solution): Likewise.
1910         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1911         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1912         (remap_gimple_stmt): Reset call clobber/use information if necessary.
1913         (copy_decl_to_var): Copy DECL_PT_UID.
1914         (copy_result_decl_to_var): Likewise.
1915         * tree.c (make_node_stat): Initialize DECL_PT_UID.
1916         (copy_node_stat): Copy it.
1917         * tree.h (DECL_PT_UID): New macro.
1918         (SET_DECL_PT_UID): Likewise.
1919         (DECL_PT_UID_SET_P): Likewise.
1920         (struct tree_decl_minimal): Add pt_uid member.
1921         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1922         (pt_solution_empty_p): Declare.
1923         (pt_solution_set): Adjust.
1924         (ipa_escaped_pt): Declare.
1925         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1926         * gimple-pretty-print.c (pp_points_to_solution): New function.
1927         (dump_gimple_call): Dump call clobber/use information.
1928         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1929         * tree-pass.h (TDF_ALIAS): New dump option.
1930         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1931         * doc/invoke.texi (-fipa-pta): Update documentation.
1932
1933 2010-04-15  Richard Guenther  <rguenther@suse.de>
1934
1935         * Makefile.in (OBJS-common): Add gimple-fold.o.
1936         (gimple-fold.o): New rule.
1937         * tree.h (maybe_fold_offset_to_reference,
1938         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1939         prototypes ...
1940         * gimple.h: ... here.
1941         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1942         may_propagate_address_into_dereference): Move prototypes ...
1943         * gimple.h: ... here.
1944         * tree-ssa-ccp.c (get_symbol_constant_value,
1945         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1946         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1947         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1948         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1949         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1950         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1951         gimplify_and_update_call_from_tree): Move ...
1952         * gimple-fold.c: ... here.  New file.
1953         (ccp_fold_builtin): Rename to ...
1954         (gimple_fold_builtin): ... this.
1955         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1956
1957 2010-04-15  Richard Guenther  <rguenther@suse.de>
1958
1959         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1960         fit_double_type, force_fit_type_double, add_double_with_sign,
1961         neg_double, mul_double_with_sign, lshift_double, rshift_double,
1962         lrotate_double, rrotate_double, div_and_round_double): Move ...
1963         * double-int.c: ... here.
1964         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1965         add_double, neg_double, mul_double_with_sign, mul_double,
1966         lshift_double, rshift_double, lrotate_double, rrotate_double,
1967         div_and_round_double): Move prototypes ...
1968         * double-int.h: ... here.
1969
1970 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
1971
1972         PR target/43742
1973         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
1974         matching constraints to ensure inputs match the output.
1975
1976 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1977
1978         PR target/43742
1979         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1980         in an input-only operand.
1981
1982 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
1983
1984         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1985         (double_int_not, double_int_lshift, double_int_rshift): Declare.
1986         (double_int_negative_p): Convert to static inline function.
1987         * double-int.c (double_int_lshift, double_int_lshift): New functions.
1988         (double_int_negative_p): Remove.
1989         * tree.h (lshift_double, rshift_double):
1990         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1991         * fold-const.c (fold_convert_const_int_from_real,
1992         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1993         (lshift_double): Change type of arith argument to bool.
1994         (rshift_double): Change type of arith argument to bool. Correct
1995         comment.
1996         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1997
1998 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
1999
2000         PR target/21803
2001         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2002         at the start and end of the then/else blocks, and omit them from the
2003         conversion.
2004         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2005         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2006         (flow_find_head_matching_sequence): New function.
2007         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2008         * basic-block.h (flow_find_cross_jump,
2009         flow_find_head_matching_sequence): Declare functions.
2010
2011 2010-04-14  Jason Merrill  <jason@redhat.com>
2012
2013         PR c++/36625
2014         * c-common.c (attribute_takes_identifier_p): New fn.
2015         * c-common.h: Declare it.
2016
2017 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2018
2019         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2020         splitter condition.
2021         (*udivmod<mode>4): Ditto.
2022
2023 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2024
2025         * config/i386/i386.md (maxmin_int): Rename code attribute from
2026         maxminiprefix and update all users.
2027         (maxmin_float): Ditto from maxminfprefix.
2028         (logic): Ditto from logicprefix.
2029         (absneg_mnemonic): Ditto from absnegprefix.
2030         * config/i386/mmx.md: Update all users of maxminiprefix,
2031         maxminfprefix and logicprefix for rename.
2032         * config/i386/sse.md: Ditto.
2033         * config/i386/sync.md (sync_<code><mode>): Update for
2034         logicprefix rename.
2035
2036 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2037
2038         PR 42966
2039         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2040         warnings converted to errors.
2041
2042 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2043
2044         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2045         used insn_type variable.
2046         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2047         to avoid set-but-not-used warning.
2048
2049 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2050
2051         * df-core.c (df_ref_debug): Change format string placeholder
2052         from 0x%x to %#x.
2053         * dwarf2asm.c (dw2_asm_output_data_raw,
2054         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2055         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2056         * dwarf2out.c (output_cfi, output_cfi_directive,
2057         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2058         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2059         Ditto.
2060         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2061         * print-rtl.c (print_rtx): Ditto.
2062
2063 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2064
2065         PR middle-end/42694
2066         * builtins.c (expand_builtin_pow_root): New function to expand pow
2067         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2068         series of sqrt and cbrt calls under -ffast-math.
2069         (expand_builtin_pow): Call it.
2070
2071 2010-04-14  Michael Matz  <matz@suse.de>
2072
2073         PR tree-optimization/42963
2074         * tree-cfg.c (touched_switch_bbs): New static variable.
2075         (group_case_labels_stmt): New function broken out from ...
2076         (group_case_labels): ... here, use the above.
2077         (start_recording_case_labels): Allocate touched_switch_bbs.
2078         (end_recording_case_labels): Deallocate it, call
2079         group_case_labels_stmt.
2080         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2081
2082 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2083
2084         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2085         from insn template.
2086
2087 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2088
2089         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2090
2091 2010-04-13  Jan Hubicka  <jh@suse.cz>
2092
2093         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2094         of optimized out static functions.
2095         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2096         cost computation.  Also sanity check for overflows.
2097         (update_caller_keys): Update cgraph_edge_badness call; properly
2098         update fibheap and sanity check that it is up to date.
2099         (add_new_edges_to_heap): Update cgraph_edge_badness.
2100         (cgraph_decide_inlining_of_small_function): Likewise;
2101         add sanity checking that badness in heap is up to date;
2102         improve dumping of reason; Update badness of calls to the
2103         offline copy of function currently inlined; dump badness
2104         of functions not inlined because of unit growth limits.
2105
2106 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2107
2108         PR middle-end/32628
2109         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2110         because of sign-extension change when converting to sizetype here...
2111         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2112
2113         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2114         the folding to constants.  Remove redundant final conversion.
2115         (fold_binary) <associate>: Do not associate if the re-association of
2116         constants alone overflows.
2117         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2118         to the end of the list.
2119         (multiple_of_p) <COND_EXPR>: New case.
2120
2121 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2122
2123         * opt-functions.awk (opt_sanitized_name): New.
2124         (opt_enum): New.
2125         * optc-gen.awk: Use it
2126         * opth-gen.awk: Use it.
2127
2128 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2129
2130         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2131         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2132         children.  Call replace_uses_with_default_def_ssa_name to handle
2133         SSA_NAES on lhs.
2134
2135 2010-04-13  Michael Matz  <matz@suse.de>
2136
2137         PR middle-end/43730
2138         * builtins.c (expand_builtin_interclass_mathfn): Also create
2139         a register if the predicate doesn't match.
2140
2141 2010-04-13  Diego Novillo  <dnovillo@google.com>
2142
2143         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2144         * c-pch.c: Include timevar.h.
2145         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2146         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2147         * ggc-common.c: Include timevar.h.
2148         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2149         * timevar.def (TV_PCH_SAVE): Define.
2150         (TV_PCH_CPP_SAVE): Define.
2151         (TV_PCH_PTR_REALLOC): Define.
2152         (TV_PCH_PTR_SORT): Define.
2153         (TV_PCH_RESTORE): Define.
2154         (TV_PCH_CPP_RESTORE): Define.
2155
2156 2010-04-13  Michael Matz  <matz@suse.de>
2157
2158         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2159         into MINUS_EXPRs.
2160         (can_reassociate_p): New function.
2161         (break_up_subtract_bb, reassociate_bb): Use it.
2162
2163 2010-04-13  Richard Guenther  <rguenther@suse.de>
2164
2165         PR bootstrap/43737
2166         * builtins.c (c_readstr): Fix assert.
2167
2168 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2169
2170         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2171         when generating cltd insn.
2172
2173         (*ashl<mode>3_1): Remove special handling for register operand 2.
2174         (*ashlsi3_1_zext): Ditto.
2175         (*ashlhi3_1): Ditto.
2176         (*ashlhi3_1_lea): Ditto.
2177         (*ashlqi3_1): Ditto.
2178         (*ashlqi3_1_lea): Ditto.
2179         (*<shiftrt_insn><mode>3_1): Ditto.
2180         (*<shiftrt_insn>si3_1_zext): Ditto.
2181         (*<shiftrt_insn>qi3_1_slp): Ditto.
2182         (*<rotate_insn><mode>3_1): Ditto.
2183         (*<rotate_insn>si3_1_zext): Ditto.
2184         (*<rotate_insn>qi3_1_slp): Ditto.
2185
2186 2010-04-13  Richard Guenther  <rguenther@suse.de>
2187
2188         * tree-ssa-structalias.c (callused_id): Remove.
2189         (call_stmt_vars): New.
2190         (get_call_vi): Likewise.
2191         (lookup_call_use_vi): Likewise.
2192         (lookup_call_clobber_vi): Likewise.
2193         (get_call_use_vi): Likewise.
2194         (get_call_clobber_vi): Likewise.
2195         (make_transitive_closure_constraints): Likewise.
2196         (handle_const_call): Adjust to do per-call call-used handling.
2197         (handle_pure_call): Likewise.
2198         (find_what_var_points_to): Remove general callused handling.
2199         (init_base_vars): Likewise.
2200         (init_alias_vars): Initialize call_stmt_vars.
2201         (compute_points_to_sets): Process call-used and call-clobbered
2202         vars for call statements.
2203         (delete_points_to_sets): Free call_stmt_vars.
2204
2205 2010-04-13  Richard Guenther  <rguenther@suse.de>
2206
2207         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2208         Only add RW dependence for dependence distance zero.
2209         Adjust maximal vectorization factor according to dependences.
2210         Move alignment handling ...
2211         (vect_find_same_alignment_drs): ... here.  New function.
2212         (vect_analyze_data_ref_dependences): Adjust.
2213         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2214         (vect_analyze_data_refs): Adjust minimal vectorization factor
2215         according to data references.
2216         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2217         dependences before determining the vectorization factor.
2218         Analyze alignment after determining the vectorization factor.
2219         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2220         dependences before alignment.
2221         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2222         Adjust prototype.
2223         (vect_analyze_data_refs): Likewise.
2224         (MAX_VECTORIZATION_FACTOR): New define.
2225
2226 2010-04-13  Duncan Sands  <baldrick@free.fr>
2227
2228         * except.h (lang_eh_type_covers): Remove.
2229         * except.c (lang_eh_type_covers): Likewise.
2230
2231 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2232             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2233
2234         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2235         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2236         UNITS_PER_LONG where it is ABI relevant.
2237         (s390_return_addr_rtx): Likewise.
2238         (s390_back_chain_rtx): Likewise.
2239         (s390_frame_area): Likewise.
2240         (s390_frame_info): Likewise.
2241         (s390_initial_elimination_offset): Likewise.
2242         (save_gprs): Likewise.
2243         (s390_emit_prologue): Likewise.
2244         (s390_emit_epilogue): Likewise.
2245         (s390_function_arg_advance): Likewise.
2246         (s390_function_arg): Likewise.
2247         (s390_va_start): Likewise.
2248         (s390_gimplify_va_arg): Likewise.
2249         (s390_function_profiler): Likewise.
2250         (s390_optimize_prologue): Likewise.
2251         (s390_rtx_costs): Likewise.
2252         (s390_secondary_reload): Likewise.
2253         (s390_promote_function_mode): Likewise.
2254         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2255         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2256         registers available.
2257         (s390_unwind_word_mode): New function.
2258         (s390_function_value): Split 64 bit values into register pair if
2259         used as return value.
2260         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2261         function call parameters.  Handle parallels.
2262         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2263         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2264         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2265         (s390_expand_setmem): Remove unused variable src_addr.
2266         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2267         deal with 64 bit registers.
2268         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2269         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2270         (UNITS_PER_LONG): New macro.
2271         * libjava/include/s390-signal.h: Define extended ucontext
2272         structure containing the upper halfs of the 64 bit registers.
2273
2274 2010-04-13  Simon Baldwin  <simonb@google.com>
2275
2276         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2277
2278 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2279
2280         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2281         rvalue on the RHS if the LHS is of a non-renamable type.
2282         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2283
2284 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2285
2286         * gcc.c (cc1_options): Handle -iplugindir before processing
2287         the cc1 spec. Only add -iplugindir once.
2288         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2289         found.
2290         * common.opt (iplugindir): Remove `Separate' property, initialize.
2291         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2292         option.
2293         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2294         (distclean): Remove plugin dir.
2295         * doc/invoke.texi: Document -iplugindir.
2296
2297 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2298
2299         * doc/plugins.texi (Loading Plugins): Document short
2300         -fplugin=foo option.
2301         (Plugin API): Mention default_plugin_dir_name function.
2302
2303         * gcc.c (find_file_spec_function): Add new declaration.
2304         (static_spec_func): Use it for "find-file".
2305         (find_file_spec_function): Add new function.
2306         (cc1_options): Add -iplugindir option if -fplugin* options found.
2307
2308         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2309
2310         * plugin.c (add_new_plugin): Updated comment, and handle short
2311         plugin name.
2312         (default_plugin_dir_name): Added new function.
2313
2314         * common.opt (iplugindir): New option to set the plugin directory.
2315
2316 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2317
2318         * config/i386/i386.md (any_rotate): New code iterator.
2319         (rotate_insn): New code attribute.
2320         (rotate): Ditto.
2321         (SWIM124): New mode iterator.
2322         (<rotate_insn>ti3): New expander.
2323         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2324         any_rotate code iterator.
2325         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2326         using any_rotate code iterator and SWIM124 mode iterator.
2327         (ix86_rotlti3): New insn_and_split pattern.
2328         (ix86_rotrti3): Ditto.
2329         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2330         ix86_rotl{di,ti}3 patterns.
2331         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2332         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2333         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2334         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2335         code iterator and SWI mode iterator.
2336         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2337         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2338         code iterator.
2339         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2340         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2341         (bswap rotatert splitter): Add splitter.
2342         (bswap splitter): Macroize splitter using any_rotate code iterator.
2343         Add insn predicate to split only for TARGET_USE_XCHGB or when
2344         optimizing function for size.
2345
2346 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2347
2348         * config/pa/pa.c (emit_move_sequence): Remove use of
2349         deleted variable flag_argument_noalias.
2350
2351 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2352
2353         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2354         configurations.
2355         Add to unsupported targets list.
2356         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2357         sparc*-sun-solaris2.[567]* from target lists.
2358         * configure: Regenerate.
2359         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2360         removal.
2361         Remove Solaris 7 patch references.
2362         (Specific, sparc-sun-solaris2.7): Removed.
2363         (sparc-sun-solaris2*): Update Solaris 7 example.
2364         (sparc64-*-solaris2*): Likewise.
2365
2366 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2367
2368         * config.build (alpha*-dec-osf4*): Remove.
2369         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2370         of obsolete configurations.
2371         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2372         support.
2373         * config/alpha/t-osf4: Renamed to ...
2374         * config/alpha/t-osf5: ... this.
2375         * config/alpha/osf.h: Renamed to ...
2376         * config/alpha/osf5.h: ... this.
2377         Merged old osf5.h contents.
2378         Update comments.
2379         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2380         (EXTRA_SPECS): Removed.
2381         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2382         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2383         Document that.
2384
2385 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2386
2387         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2388
2389 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2390
2391         PR/43702
2392         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2393         __thiscall convention.
2394
2395 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2396
2397         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2398         orig_base.
2399         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2400
2401 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2402
2403         * function.c (assign_parms_initialize_all): Add unused attribute
2404         to fntype.
2405
2406 2010-04-12  Richard Guenther  <rguenther@suse.de>
2407
2408         * gsstruct.def (GSS_CALL): New.
2409         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2410         * gimple.h: Include tree-ssa-alias.h.
2411         (struct gimple_statement_call): New.
2412         (union gimple_statement_struct_d): Add gimple_call member.
2413         (gimple_call_reset_alias_info): Declare.
2414         (gimple_call_use_set): New function.
2415         (gimple_call_clobber_set): Likewise.
2416         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2417         * gimple.c (gimple_call_reset_alias_info): New function.
2418         (gimple_build_call_1): Call it.
2419         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2420         * tree-inline.c (remap_gimple_stmt): Likewise.
2421         (expand_call_inline): Remove callused handling.
2422         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2423         * tree-dfa.c (dump_variable): Likewise.
2424         * tree-parloops.c (parallelize_loops): Likewise.
2425         * tree-ssa.c (init_tree_ssa): Likewise.
2426         (delete_tree_ssa): Likewise.
2427         * tree-flow-inline.h (is_call_used): Remove.
2428         * tree-flow.h (struct gimple_df): Remove callused member.
2429         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2430         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2431         (ref_maybe_used_by_call_p_1): Simplify.
2432         (call_may_clobber_ref_p_1): Likewise.
2433         * tree-ssa-structalias.c (compute_points_to_sets): Set
2434         the call stmt used and clobbered sets.
2435         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2436         (find_tail_calls): Verify the tail call.
2437
2438 2010-04-12  Richard Guenther  <rguenther@suse.de>
2439
2440         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2441         single-iteration always-inline inlining.
2442         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2443         (cgraph_decide_inlining): Do not handle always-inline specially.
2444         (try_inline): Remove always-inline cycle detection special case.
2445         Do not recurse on always-inlines.
2446         (cgraph_early_inlining): Do not iterate if not optimizing.
2447         (cgraph_gate_early_inlining): remove.
2448         (pass_early_inline): Run unconditionally.
2449         (gate_cgraph_decide_inlining): New function.
2450         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2451         not inlining or optimizing.
2452         (cgraph_decide_inlining_of_small_functions): Also consider
2453         always-inline functions.
2454         (cgraph_default_inline_p): Return true for nodes which should
2455         disregard inline limits.
2456         (estimate_function_body_sizes): Assume zero size and time for
2457         nodes which are marked as disregarding inline limits.
2458         (cgraph_decide_recursive_inlining): Do not perform recursive
2459         inlining on always-inline nodes.
2460
2461 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2462
2463         PR bootstrap/43699
2464         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2465         for exprs satisfying handled_component_p.
2466
2467 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2468
2469         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2470         non-constant aggregate elements.
2471
2472         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2473         is a real initialization.
2474
2475 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2476
2477         PR c/36774
2478         * c-decl.c (start_function): Move forward check for nested function.
2479
2480 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2481
2482         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2483         * config/sh/sh.c: Include reload.h.
2484         (sh_legitimize_reload_address): New.
2485         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2486         sh_legitimize_reload_address.
2487
2488 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2489
2490         * config/sh/sh.md (*movqi_pop): New insn pattern.
2491         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2492
2493 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2494
2495         * config/i386/i386.md (any_shiftrt): New code iterator.
2496         (shiftrt_insn): New code attribute.
2497         (shiftrt): Ditto.
2498         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2499         using any_shiftrt code iterator.
2500         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2501         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2502         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2503         pattern from corresponding peephole2 patterns.
2504         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2505         using any_shiftrt code iterator.
2506         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2507         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2508         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2509         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2510         *{ashr,lshr}<mode>3_cmp_zext.
2511         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2512
2513 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2514
2515         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2516         scratch register.
2517         (*lshr<mode>3_cconly): Ditto.
2518
2519 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2520
2521         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2522         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2523         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2524         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2525         DWI mode iterator.
2526         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2527         from corresponding peephole2 patterns.
2528         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2529         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2530         and *lshrdi3_1_rex64 using SWI mode iterator.
2531         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2532         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2533         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2534         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2535         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2536         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2537         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2538         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2539         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2540         SWI mode iterator.
2541
2542 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2543
2544         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2545         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2546         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2547         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2548         DWI mode iterator.
2549         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2550         from corresponding peephole2 patterns.
2551         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2552         (ashrsi3_cvt): Rename from ashrsi3_31.
2553         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2554         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2555         and x86_64_shift_adj_3 using SWI48 mode iterator.
2556         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2557         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2558         and *ashrdi3_1_rex64 using SWI mode iterator.
2559         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2560         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2561         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2562         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2563         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2564         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2565         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2566         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2567         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2568         SWI mode iterator.
2569         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2570         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2571         x86_shift<mode>_adj_3 expanders.
2572
2573 2010-04-10  Wei Guozhi  <carrot@google.com>
2574
2575         PR target/42601
2576         * config/arm/arm.c (arm_pic_static_addr): New function.
2577         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2578         a static symbol.
2579         (arm_output_addr_const_extra): Output expression for new pattern.
2580         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2581
2582 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2583
2584         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2585         not enabled.
2586
2587         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2588         * web.c: Include "insn-config.h" and "recog.h".
2589         (union_match_dups): New function.
2590         (web_main): Call it.
2591         (union_defs): Don't try to recognize match_dups.
2592
2593         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2594         if doing so would replace the entire pattern.
2595
2596 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2597
2598         PR target/43707
2599         PR target/43709
2600         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2601         and splitter pattern.  Change splitter operand 1 predicate to
2602         nonmemory_operand.
2603
2604 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2605
2606         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2607         lattices are addresses of CONST_DECLs with the same initial value.
2608         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2609         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2610
2611 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2612             Bernd Schmidt  <bernds@codesourcery.com>
2613
2614         * loop-invariant.c (replace_uses): New static function.
2615         (move_invariant_reg): Use it to ensure we can replace the uses.
2616
2617 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2618
2619         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2620         function template.
2621         (picochip_override_options): Enable section anchors only above -O1.
2622         (picochip_reorg): Fixed a couple of build warnings.
2623
2624 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2625
2626         * configure.ac (plugin -rdynamic test): Log result.
2627         * configure: Regenerate.
2628         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2629         (RDYNAMIC_SPEC): Define.
2630         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2631
2632 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2633
2634         * configure.ac: Determine Sun ld version numbers.
2635         (comdat_group): Restrict GNU ld version checks to gld.
2636         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2637         (enable_comdat): Support --enable-comdat.
2638         * configure: Regenerate.
2639         * doc/install.texi (Configuration): Document --enable-comdat.
2640
2641 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2642
2643         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2644         * config/sol2-gld.h: ... here.
2645         * config.gcc (sparc*-*-solaris2*): Reflect this.
2646         (i[34567]86-*-solaris2*): Use it.
2647
2648 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2649
2650         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2651         setup_clocks_p.
2652         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2653
2654 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2655
2656         PR 42965
2657         * diagnostic.c (diagnostic_initialize): Initialize
2658         some_warnings_are_errors.
2659         (diagnostic_finish): New.
2660         (diagnostic_action_after_output): Call it before exiting.
2661         (diagnostic_report_diagnostic): Do not print message here. Set
2662         some_warnings_are_errors.
2663         * diagnostic.h (diagnostic_context): Delete
2664         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2665         (diagnostic_finish): Declare.
2666         * toplev.c (toplev_main): Call it before exit.
2667
2668 2010-04-09  Jason Merrill  <jason@redhat.com>
2669
2670         PR c++/42623
2671         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2672         for incomplete type.
2673
2674         PR c++/41788
2675         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2676         based on a warning flag.
2677
2678 2010-04-09  Richard Guenther  <rguenther@suse.de>
2679
2680         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2681
2682 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2683
2684         PR bootstrap/43684
2685         * varasm.c (default_assemble_visibility): Wrap vars that are
2686         set, but unused, by targets without GAS.
2687         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2688         Remove set, but unused, vars.
2689         (rs6000_legitimize_tls_address): Likewise.
2690         (altivec_expand_dst_builtin): Likewise.
2691         * config/darwin.c (machopic_classify_symbol): Likewise.
2692         (machopic_indirection_name): Likewise.
2693
2694 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2695
2696         * config/i386/i386.md (DWI): New mode iterator.
2697         (S): New mode attribute.
2698         (shift_operand): Ditto.
2699         (shift_immediate_operand): Ditto.
2700         (ashl_input_operand): Ditto.
2701         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2702         using SDWIM mode iterator.
2703         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2704         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2705         DWI mode iterator.
2706         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2707         from corresponding peephole2 patterns.
2708         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2709         and x86_64_shift_adj_1 using SWI48 mode iterator.
2710         (x86_shift<mode>_adj_2): Ditto.
2711         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2712         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2713         using SWI48 mode iterator.
2714         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2715         *ashldi3_cmp_rex64 using SWI mode iterator.
2716         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2717         *ashldi3_cconly_rex64 using SWI mode iterator.
2718         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2719         x86_shift<mode>_adj_{1,2}.
2720         (ix86_split_ashr): Ditto.
2721         (ix86_split_lshr): Ditto.
2722
2723 2010-04-09  Richard Guenther  <rguenther@suse.de>
2724
2725         * target.h (builtin_conversion): Pass in input and output types.
2726         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2727         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2728         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2729         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2730
2731         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2732         Handle AVX modes.
2733         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2734
2735 2010-04-09  Richard Guenther  <rguenther@suse.de>
2736
2737         PR target/43152
2738         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2739
2740 2010-04-09  Richard Guenther  <rguenther@suse.de>
2741
2742         * tree-vectorizer.h (struct _stmt_vec_info): Document
2743         that vectype is the type of the LHS.
2744         (supportable_widening_operation, supportable_narrowing_operation):
2745         Get both input and output vector types as arguments.
2746         (vect_is_simple_use_1): Declare.
2747         (get_same_sized_vectype): Likewise.
2748         * tree-vect-loop.c (vect_determine_vectorization_factor):
2749         Set STMT_VINFO_VECTYPE to the vector type of the def.
2750         (vectorizable_reduction): Adjust.
2751         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2752         Adjust.  Specify the output vector type.
2753         (vect_pattern_recog_1): Adjust.
2754         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2755         (vectorizable_call): Adjust.
2756         (vectorizable_conversion): Likewise.
2757         (vectorizable_operation): Likewise.
2758         (vectorizable_type_demotion): Likewise.
2759         (vectorizable_type_promotion): Likewise.
2760         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2761         the def.
2762         (vect_is_simple_use_1): New function.
2763         (supportable_widening_operation): Get both input and output
2764         vector types.
2765         (supportable_narrowing_operation): Likewise.
2766         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2767
2768 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2769
2770         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2771         __thiscall and _thiscall as predefined macros.
2772         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2773         thiscall attribute handling.
2774         (ix86_comp_type_attributes): Likewise.
2775         (ix86_function_regparm): Likewise.
2776         (ix86_return_pops_args): Likewise.
2777         (init_cumulative_args): Likewise.
2778         (find_drap_reg): Likewise.
2779         (ix86_static_chain): Likewise.
2780         (x86_this_parameter): Likewise.
2781         (x86_output_mi_thunk): Likewise.
2782         (ix86_attribute_table): Add description for thiscall attribute.
2783         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2784         * doc/extend.texi: Add documentation for thiscall.
2785
2786 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2787
2788         PR c++/28584
2789         * c.opt (Wint-to-pointer-cast): Available in C++.
2790         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2791
2792 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2793
2794         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2795         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2796         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2797         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2798         function type instead.  Reorder and simplify checks.
2799
2800         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2801
2802 2010-04-08  Jing Yu  <jingyu@google.com>
2803             Zdenek Dvorak  <ook@ucw.cz>
2804
2805         PR tree-optimization/42720
2806         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2807         loop unswitch conditions here from ...
2808         (tree_unswitch_single_loop): ... here.
2809
2810 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2811
2812         * tree-if-conv.c: Fix comments and simplify logic.
2813
2814 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2815
2816         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2817         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2818         (main_tree_if_conversion): Update call to tree_if_conversion.
2819
2820 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2821
2822         PR 42485
2823         * doc/invoke.texi (-b,-V): Delete.
2824         * doc/tm.texi: Do not mention -b.
2825         * gcc.c (display_help): Delete -b and -V.
2826         (process_command): Delete -b and -V.
2827         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2828
2829 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2830             Wolfgang Gellerich  <gellerich@de.ibm.com>
2831
2832         Implement target hook for loop unrolling
2833         * target.h (loop_unroll_adjust): Add a new target hook function.
2834         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2835         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2836         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2837         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2838         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2839         target hook.
2840         (decide_unroll_stupid): Likewise.
2841
2842 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2843
2844         PR target/43643
2845         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2846
2847 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2848
2849         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2850         (Specific, *-*-solaris2*): Likewise.
2851         Don't prefer Sun as over GNU as.
2852
2853 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2854
2855         * config/s390/s390.c (override_options): Adjust the z10
2856           defaults for max-unroll-times, max-completely-peeled-insns
2857           and max-completely-peel-times.
2858
2859 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2860
2861         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2862         instructions for z10.
2863         (s390_expand_setmem): Likewise.
2864         (s390_expand_cmpmem): Likewise.
2865
2866 2010-04-08  Richard Guenther  <rguenther@suse.de>
2867
2868         PR tree-optimization/43679
2869         * tree-ssa-pre.c (eliminate): Only propagate copies.
2870
2871 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2872
2873         PR bootstrap/43681
2874         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2875         set but not used variable warning.
2876
2877 2010-04-08  Wei Guozhi  <carrot@google.com>
2878
2879         PR target/41653
2880         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2881         (arm_size_rtx_costs): Call the new function when optimized for size.
2882
2883 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2884
2885         PR debug/43670
2886         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2887         op0 is not a MEM, just return NULL instead of assertion
2888         failure.
2889         (discover_nonconstant_array_refs): Don't walk debug stmts.
2890
2891 2010-04-08  Doug Kwan  <dougkwan@google.com>
2892
2893         * configure.ac: Recognize gold and do not use its version number
2894         to test ld features.
2895         * configure: Regenerate.
2896
2897 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
2898
2899         PR middle-end/40815
2900         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2901         (negate_value): Move code to push elements to broken_up_substracts ...
2902         (eliminate_plus_minus_pair): ... here.  Push operands that have no
2903         negative pair to plus_negates.
2904         (repropagate_negates, init_reassoc, fini_reassoc): Update.
2905
2906 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2907
2908         * doc/install.texi (Configuration): Move description of
2909         --enable-lto, --with-libelf*, --enable-gold from Java section to
2910         general section.
2911
2912         * doc/generic.texi (Working with declarations)
2913         (Function Properties, C and C++ Trees): Fix typos.
2914         * doc/sourcebuild.texi (Top Level): Likewise.
2915
2916 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
2917
2918         PR c/18624
2919         * tree.h (DECL_READ_P): Define.
2920         (struct tree_decl_common): Add decl_read_flag.
2921         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2922         a set but not used warning.
2923         (merge_decls): Merge DECL_READ_P flag.
2924         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2925         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2926         * c-common.c (handle_used_attribute, handle_unused_attribute):
2927         Likewise.
2928         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2929         New prototypes.
2930         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2931         New functions.
2932         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2933         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2934         c_parser_binary_expression, c_parser_cast_expression,
2935         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2936         Call default_function_array_read_conversion instead of
2937         default_function_array_conversion where needed.
2938         (c_parser_unary_expression, c_parser_conditional_expression,
2939         c_parser_postfix_expression_after_primary, c_parser_initelt):
2940         Likewise.  Call mark_exp_read where needed.
2941         (c_parser_statement_after_labels, c_parser_asm_operands,
2942         c_parser_typeof_specifier, c_parser_sizeof_expression,
2943         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2944         where needed.
2945         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2946         New.
2947         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2948         (warn_unused_but_set_parameter): Default to warn_unused
2949         && extra_warnings.
2950         * doc/invoke.texi: Document -Wunused-but-set-variable and
2951         -Wunused-but-set-parameter.
2952
2953         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2954         used count variable.
2955         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2956         when operandN variables aren't used in the body of the expander
2957         or splitter.
2958         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2959         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2960         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2961         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2962         FOR_EACH_IMM_USE_ON_STMT): Likewise.
2963         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2964         * tree.c (PROCESS_ARG): Likewise.
2965
2966 2010-04-07  Simon Baldwin  <simonb@google.com>
2967
2968         * diagnostic.h (diagnostic_override_option_index): New macro to
2969         set a diagnostic's option_index.
2970         * c-tree.h (c_cpp_error): Add warning reason argument.
2971         * opts.c (_warning_as_error_callback): New.
2972         (register_warning_as_error_callback): Store callback for
2973         warnings enabled via enable_warning_as_error.
2974         (enable_warning_as_error): Call callback, minor code tidy.
2975         * opts.h (register_warning_as_error_callback): Declare.
2976         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2977         response to -Werror=.
2978         (c_common_init_options): Register warning_as_error_callback in opts.c.
2979         * common.opt: Add -Wno-cpp option.
2980         * c-common.c (struct reason_option_codes_t): Map cpp warning
2981         reason codes to gcc option indexes.
2982         * (c_option_controlling_cpp_error): New function, lookup the gcc
2983         option index for a cpp warning reason code.
2984         * (c_cpp_error): Add warning reason argument, call
2985         c_option_controlling_cpp_error for diagnostic_override_option_index.
2986         * doc/invoke.texi: Document -Wno-cpp.
2987
2988 2010-04-07  Richard Guenther  <rguenther@suse.de>
2989
2990         * ipa-reference.c (mark_load): Use get_base_address.
2991         (mark_store): Likewise.
2992
2993         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2994         inserting GIMPLE_NOPs into the IL.
2995         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2996         Explicitly strip handled components and indirect references.
2997
2998         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2999         folding address expressions.
3000         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3001         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3002         operand_equal_p to compare decls.
3003         (ptr_deref_may_alias_decl_p): Likewise.
3004         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3005         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3006         Handle reversed comparison ops.
3007         * tree-sra.c (asm_visit_addr): Use get_base_address.
3008         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3009         * ipa-reference.c (mark_address): Use get_base_address.
3010
3011 2010-04-07  Richard Guenther  <rguenther@suse.de>
3012
3013         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3014         Propagate constants everywhere.
3015
3016 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3017
3018         PR debug/43516
3019         * tree.c (MAX_INT_CACHED_PREC): Define.
3020         (nonstandard_integer_type_cache): New array.
3021         (build_nonstandard_integer_type): Cache results for precision
3022         <= MAX_INT_CACHED_PREC.
3023
3024 2010-04-07  Richard Guenther  <rguenther@suse.de>
3025
3026         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3027         -fargument-noalias-global, -fargument-noalias-anything): Remove.
3028         * common.opt: Likewise.
3029         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3030         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3031         (nonoverlapping_memrefs_p): Likewise.
3032         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3033         * opts.c (common_handle_option): Handle OPT_fargument_alias,
3034         OPT_fargument_noalias, OPT_fargument_noalias_anything and
3035         OPT_fargument_noalias_global for backward compatibility.
3036
3037 2010-04-07  Richard Guenther  <rguenther@suse.de>
3038
3039         PR tree-optimization/43270
3040         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3041         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3042         * tree-ssa-pre.c (phi_translate_1): Adjust.
3043         (fully_constant_expression): Split out vn_reference handling to ...
3044         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3045         Fold reads from constant strings.
3046         (vn_reference_lookup): Handle fully constant references.
3047         (vn_reference_lookup_pieces): Likewise.
3048         * Makefile.in (expmed.o-warn): Add -Wno-error.
3049
3050 2010-04-07  Martin Jambor  <mjambor@suse.cz>
3051
3052         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3053
3054 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
3055
3056         PR driver/41594
3057         * gcc.c: Add -static-libstdc++ to list of recognized options.
3058
3059 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3060
3061         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3062
3063 2010-04-07  Richard Guenther  <rguenther@suse.de>
3064
3065         PR middle-end/42617
3066         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3067         bases build simple mem attributes to retain points-to information.
3068
3069 2010-04-07  Richard Guenther  <rguenther@suse.de>
3070
3071         PR middle-end/42617
3072         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3073         preserve points-to related information.
3074
3075 2010-04-07  Richard Guenther  <rguenther@suse.de>
3076
3077         PR middle-end/42617
3078         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3079         discard plain indirect references.
3080         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3081         * tree.c (tree_nop_conversion): Likewise.
3082
3083 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
3084
3085         PR debug/43628
3086         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3087
3088 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
3089
3090         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3091         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3092
3093 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3094
3095         * tree-if-conv.c: Fix indentation and comments.
3096
3097 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3098
3099         * tree-if-conv.c: Sort static functions in topological order.
3100
3101 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3102
3103         * tree-if-conv.c: Fix indentation and comments.
3104
3105 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3106
3107         PR middle-end/43519
3108         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3109         lang_hooks.types.type_for_size instead of
3110         build_nonstandard_integer_type.
3111         When converting an unsigned type to signed, double its precision.
3112         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3113         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3114         (graphite_create_new_loop_guard): When ub + 1 wraps around,
3115         use lb <= ub.
3116
3117 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3118
3119         PR middle-end/43519
3120         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3121         POINTER_PLUS_EXPR for pointer types.
3122
3123 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3124
3125         PR middle-end/43519
3126         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3127         * graphite-clast-to-gimple.c: Include langhooks.h.
3128         (max_signed_precision_type): New.
3129         (max_precision_type): Takes two types as arguments.
3130         (precision_for_value): New.
3131         (precision_for_interval): New.
3132         (gcc_type_for_interval): New.
3133         (gcc_type_for_value): New.
3134         (gcc_type_for_clast_term): New.
3135         (gcc_type_for_clast_red): New.
3136         (gcc_type_for_clast_bin): New.
3137         (gcc_type_for_clast_expr): Split up into several functions.
3138         (gcc_type_for_clast_eq): Rewritten.
3139         (compute_bounds_for_level): New.
3140         (compute_type_for_level_1): New.
3141         (compute_type_for_level): New.
3142         (gcc_type_for_cloog_iv): Removed.
3143         (gcc_type_for_iv_of_clast_loop): Rewritten.
3144         (graphite_create_new_loop): Compute the lower and upper bound types
3145         with gcc_type_for_clast_expr.
3146         (graphite_create_new_loop_guard): Same.
3147         (find_cloog_iv_in_expr): Removed.
3148         (compute_cloog_iv_types_1): Removed.
3149         (compute_cloog_iv_types): Removed.
3150         (gloog): Do not call compute_cloog_iv_types.
3151         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3152         GBB_CLOOG_IV_TYPES.
3153         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3154         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3155         (GBB_CLOOG_IV_TYPES): Removed.
3156
3157 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3158
3159         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3160         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3161         (detect_commutative_reduction): Same.
3162
3163 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3164
3165         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3166         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
3167         argument.
3168         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3169         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3170         (rewrite_commutative_reductions_out_of_ssa): Same.
3171         * passes.c (execute_function_todo): Call verify_ssa for every pass
3172         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
3173         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3174         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3175         with an extra argument.
3176         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
3177         verify_ssa only when the extra argument is true.
3178         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3179         with an extra argument.
3180         (tree_transform_and_unroll_loop): Same.
3181
3182 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3183
3184         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3185         for all the passes of the LNO having LOOP_CLOSED_SSA.
3186         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3187         * tree-loop-distribution.c (pass_loop_distribution): Same.
3188         * tree-pass.h (TODO_verify_loops): Removed.
3189         * tree-ssa-loop.c (pass_tree_loop_init): Same.
3190         (pass_lim): Same.
3191         (pass_tree_unswitch): Same.
3192         (pass_predcom): Same.
3193         (pass_vectorize): Same.
3194         (pass_linear_transform): Same.
3195         (pass_graphite_transforms): Same.
3196         (pass_iv_canon): Same.
3197         (pass_complete_unroll): Same.
3198         (pass_complete_unrolli): Same.
3199         (pass_parallelize_loops): Same.
3200         (pass_loop_prefetch): Same.
3201         (pass_iv_optimize): Same.
3202
3203 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
3204
3205         PR middle-end/32824
3206         * passes.c (init_optimization_passes): Move pass_lim before
3207         pass_copy_prop and pass_dce_loop.
3208
3209 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3210
3211         PR target/43667
3212         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3213         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3214         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3215         MULTI_* defines for 4 argument vpermil2p* builtins.
3216
3217 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3218
3219         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3220         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3221         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3222         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3223         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3224         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3225         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3226         Use x86_maybe_negate_const_int to output insn mnemonic.
3227         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3228         check from instruction predicate.  Update comments.
3229         * config/i386/sync.md (sync_add<mode>): Use
3230         x86_maybe_negate_const_int to output insn mnemonic.
3231
3232 2010-04-06  Jan Hubicka  <jh@suse.cz>
3233
3234         PR tree-optimization/42906
3235         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3236         IGNORE_SELF argument.  Set visited_control_parents for fully
3237         processed BBs.
3238         (find_obviously_necessary_stmts): Update call of
3239         mark_control_dependent_edges_necessary.
3240         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3241
3242 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3243
3244         * config/i386/i386.md: Remove comment about 'e' and 'E'
3245         operand modifier.
3246
3247 2010-04-06  Richard Guenther  <rguenther@suse.de>
3248
3249         PR tree-optimization/43627
3250         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3251         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3252         not varying.
3253
3254 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3255
3256         * BASE-VER: Change to 4.6.0.
3257
3258         PR target/43638
3259         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3260         handling.
3261
3262 2010-04-06  Richard Guenther  <rguenther@suse.de>
3263
3264         PR middle-end/43661
3265         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3266
3267 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3268
3269         * doc/invoke.texi (Optimize Options): Document that LTO
3270         won't remove object access purely due to incompatible
3271         declarations.
3272
3273 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3274
3275         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3276         Initialize variable.
3277
3278 2010-04-03  Richard Guenther  <rguenther@suse.de>
3279
3280         PR middle-end/42509
3281         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3282         require a non-NULL MEM_OFFSET.
3283
3284 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3285
3286         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3287         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3288         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3289         config/alpha/predicates.md, config/arm/arm.md,
3290         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3291         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3292         config/darwin9.h, config/darwin.c, config/darwin.h,
3293         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3294         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3295         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3296         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3297         config/mips/mips.md, config/mn10300/mn10300.c,
3298         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3299         config/rs6000/aix.h, config/rs6000/dfp.md,
3300         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3301         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3302         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3303         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3304         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3305         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3306         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3307         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3308         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3309         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3310         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3311         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3312         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3313         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3314         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3315         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3316         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3317         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3318         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3319         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3320         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3321         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3322         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3323         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3324         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3325         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3326         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3327         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3328         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3329         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3330         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3331         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3332         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3333         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3334         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3335         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3336
3337 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3338
3339         PR other/43620
3340         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3341         * aclocal.m4: Regenerate.
3342
3343 2010-04-02  Richard Guenther  <rguenther@suse.de>
3344
3345         PR tree-optimization/43629
3346         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3347         if we have seen a constant value.
3348
3349 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3350
3351         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3352
3353 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3354
3355         PR target/43469
3356         * arm.c (legitimize_tls_address): Adjust call to
3357         gen_tls_load_dot_plus_four.
3358         (arm_note_pic_base): New function.
3359         (arm_cannot_copy_insn_p): Use it.
3360         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3361         constraint.
3362
3363 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3364
3365         PR bootstrap/43531
3366
3367         Revert:
3368         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3369
3370         * Makefile.in ($(out_object_file)): Depend on
3371         gt-$(basename $(notdir $(out_file))).h.
3372
3373 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3374
3375         * config.gcc (lm32-*-rtems*): Add t-lm32.
3376
3377 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3378
3379         * config.gcc: Add lm32-*-rtems*.
3380         * config/lm32/rtems.h: New file.
3381
3382 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3383
3384         PR target/42609
3385         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3386
3387 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3388
3389         * dwarf2out.c (output_compilation_unit_header): For
3390         -gdwarf-4 use version 4 instead of version 3.
3391         (output_line_info): For version 4 and above emit additional
3392         maximum ops per insn header field.
3393         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3394
3395         * dwarf2out.c (is_c_family, is_java): Remove.
3396         (lower_bound_default): New function.
3397         (add_bound_info, gen_descr_array_type_die): Use it.
3398
3399 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3400
3401         PR debug/43325
3402         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3403         re-declaration when it happens in a function.
3404
3405 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3406
3407         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3408         (cgraph_remove_function_insertion_hook): Same.
3409         (cgraph_call_function_insertion_hooks): Same.
3410
3411 2010-04-01  Richard Guenther  <rguenther@suse.de>
3412
3413         PR middle-end/43614
3414         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3415         and TREE_THIS_VOLATILE.
3416         (copy_ref_info): Likewise.
3417         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3418         * tree.c (build6_stat): Ignore side-effects of all but arg5
3419         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3420         TARGET_MEM_REF.
3421
3422 2010-04-01  Richard Guenther  <rguenther@suse.de>
3423
3424         PR tree-optimization/43607
3425         * ipa-type-escape.c (check_call): Do not access non-existing
3426         arguments.