1 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
4 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
5 only if HONOR_REG_ALLOC_ORDER is not defined.
7 2010-05-04 Richard Guenther <rguenther@suse.de>
9 PR tree-optimization/43949
10 * tree-vrp.c (extract_range_from_binary_expr): Only handle
13 2010-04-26 Jason Merrill <jason@redhat.com>
15 * c.opt (-fstrict-enums): New.
16 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
18 2010-05-03 David Ung <davidu@mips.com>
19 James E. Wilson <wilson@codesourcery.com>
21 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
22 emit the trap instruction before the divide for TUNE_74K.
24 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
26 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
27 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
28 based on the above, for new target hook.
30 * hooks.c (hook_bool_mode_true): New generic hook.
31 * hooks.h (hook_bool_mode_true): Add prototype.
33 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
35 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
36 target hook, set to hook_bool_mode_false.
37 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
38 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
39 with targetm.small_register_classes_for_mode_p.
40 (find_reusable_reload): Likewise.
41 (combine_reloads): Likewise.
42 * reload1.c (reload_as_needed): Likewise.
43 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
44 * ifcvt.c (noce_process_if_block, check_cond_move_block,
45 dead_or_predicable): Likewise.
46 * regmove.c (optimize_reg_copy_1): Likewise.
47 * calls.c (prepare_call_address): Likewise.
48 (precompute_register_parameters): Likewise.
50 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
52 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
53 implementation of the hook that considers all register classes
54 small except for SH64.
55 (sh_override_options): Use the new hook.
56 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
59 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
61 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
62 implementation of the hook that considers all register classes
64 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
67 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
69 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
70 implementation of the hook that considers all register classes
72 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
75 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
77 * config/m32c/m32c.h: Likewise.
78 * config/pdp11/pdp11.h: Likewise.
79 * config/avr/avr.h: Likewise.
80 * config/xtensa/xtensa.h: Likewise.
81 * config/m68hc11/m68hc11.h: Likewise.
82 * config/mn10300/mn10300.h: Likewise.
83 * config/mcore/mcore.h: Likewise.
84 * config/h8300/h8300.h: Likewise.
85 * config/bfin/bfin.h: Likewise.
87 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
88 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
90 2010-05-03 Anatoly Sokolov <aesok@post.ru>
92 * double-int.h (tree_to_double_int): Remove macro.
93 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
94 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
95 (tree_to_double_int): New function.
96 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
98 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
100 2010-05-03 Richard Guenther <rguenther@suse.de>
102 PR tree-optimization/43971
103 * tree-ssa-structalias.c (get_constraint_for_1): Fix
104 constraints in the !flag_delete_null_pointer_checks case.
106 2010-05-03 Jakub Jelinek <jakub@redhat.com>
109 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
110 result mode matches original rtl mode.
112 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
115 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
117 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
119 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
120 when processing flag options.
122 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
124 * gcov-iov.c (main): Change format string placeholder
125 from %#08x to 0x%08x.
126 * genchecksum.c (dosum): Change format string placeholder
127 from %#02x to 0x%02x.
129 2010-05-02 Richard Guenther <rguenther@suse.de>
131 PR tree-optimization/43879
132 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
134 2010-05-02 Bruno Haible <bruno@clisp.org>
136 * doc/extend.texi (Function Attributes): Fix a typo.
138 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
141 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
142 placeholder from 0x%x to %#x.
143 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
144 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
145 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
146 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
147 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
148 * config/i386/i386.c (ix86_target_string): Ditto.
149 * config/i386/i386.c (output_pic_addr_const): Ditto.
150 (print_operand): Ditto.
152 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
154 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
155 placeholder from 0x%x to %#x.
156 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
157 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
158 (ASM_OUTPUT_DEBUG_DATA): Ditto.
159 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
160 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
161 * optc-gen.awk: Ditto.
162 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
163 (HOST_WIDE_INT_PRINT_HEX): Ditto.
164 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
165 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
167 2010-05-01 Anatoly Sokolov <aesok@post.ru>
169 * target.h (struct calls): Add function_value_regno_p field.
170 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
171 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
172 * targhooks.c (default_function_value_regno_p): New function.
173 * targhooks.h (default_function_value_regno_p): Declare function.
174 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
175 * builtins.c. (apply_result_size): (Ditto.).
176 * combine.c. (likely_spilled_retval_p): (Ditto.).
177 * mode-switching.c. Include 'target.h'.
178 (create_pre_exit): Use function_value_regno_p hook.
179 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
180 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
181 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
183 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
184 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
185 (ix86_function_value_regno_p): Declare as static, change argument
186 type to const unsigned int.
187 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
189 2010-05-01 Richard Guenther <rguenther@suse.de>
191 PR tree-optimization/43949
192 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
194 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
196 2010-05-01 Anatoly Sokolov <aesok@post.ru>
198 * rtl.h (CONST_DOUBLE_P): Define.
199 (rtx_to_double_int): Declare.
200 * emit-rtl.c (rtx_to_double_int): New function.
201 * dwarf2out.c (insert_double): New function.
202 (loc_descriptor, add_const_value_attribute): Clean up, use
203 rtx_to_double_int and insert_double functions.
205 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
207 * doc/extend.texi (Inline): Add missing return keyword to examples.
208 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
211 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
213 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
214 the variable part of the offset as well. Use highest_pow2_factor for
215 all alignment checks.
217 2010-04-30 Richard Guenther <rguenther@suse.de>
219 PR tree-optimization/43879
220 * tree-ssa-structalias.c (type_could_have_pointers): Functions
223 2010-04-30 Jan Hubicka <jh@suse.cz>
225 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
227 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
229 2010-04-30 Jan Hubicka <jh@suse.cz>
231 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
233 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
234 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
235 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
236 cgraph_node_set_needs_ltrans_p): Remove.
238 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
240 * sdbout.c: Include vec.h, do not include varray.h.
241 (deferred_global_decls, sdbout_global_decl,
242 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
243 * toplev.c: Do not include varray.h.
244 (dump_memory_report): Do not dump VARRAY statistics.
245 * gengtype.c (open_base_file): Ignore varray.h.
246 * Makefile.in: Update for abovementioned changes.
247 Remove all traces of varray.c and varray.h.
248 * varray.c: Remove file.
249 * varray.h: Remove file.
251 2010-04-30 Jan Hubicka <jh@suse.cz>
253 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
256 2010-04-30 Jan Hubicka <jh@suse.cz>
258 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
261 2010-04-30 Richard Guenther <rguenther@suse.de>
263 * tree-ssa-structalias.c (get_constraint_for_1): Generate
264 constraints for CONSTRUCTOR.
266 2010-04-30 Richard Guenther <rguenther@suse.de>
269 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
270 first after all lowering passes.
272 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
274 * toplev.c: Include varray.h for statistics dumping.
275 * tree.h: Do not declare varray_head_tag.
276 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
277 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
278 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
279 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
280 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
281 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
282 c-common.c, c-common.h, reg-stack.c, basic-block.h,
283 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
285 * Makefile.in: Update for abovementioned changes.
287 2010-04-30 Jakub Jelinek <jakub@redhat.com>
290 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
292 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
294 * config/picochip/picochip.c (picochip_legitimize_address): Define.
295 Use this function to do machine-specific conversion.
296 (picochip_legitimize_reload_address): Likewise.
297 (picochip_legitimate_address_p): Check valid base register only if
299 (picochip_check_conditional_copy): Check for modw only if opnd is
301 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
302 to call the function in c.
303 * config/picochip/picochip-protos.h
304 (picochip_legitimize_reload_address): Define.
305 * config/picochip/picochip.md (supported_compare1): Define.
307 2010-04-30 Jan Hubicka <jh@suse.cz>
309 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
310 (cgraph_global_info): Remove inlined.
311 (LTO_cgraph_tag_names): Remove.
312 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
313 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
314 simplify cgraph tags and document.
315 (lto_output_node): Use only LTO_cgraph_unavail_node and
316 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
317 for_functions_valid, global info, process and output flags.
318 (input_overwrite_node): Initialize estimated stack size and
319 estimated growth. Do not read flags we no longer store.
320 (input_node): Likewise do not read info no longer stored.
321 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
324 2010-04-30 Richard Guenther <rguenther@suse.de>
326 PR tree-optimization/43879
327 * tree-ssa-structalias.c (get_constraint_for_1): Properly
328 handle non-zero initializers.
330 2010-04-30 Richard Guenther <rguenther@suse.de>
332 * builtins.c (fold_builtin_1): Delete free (0).
334 2010-04-29 Jan Hubicka <jh@suse.cz>
336 * gengtype.c (open_base_files): Add lto-streamer.h
337 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
338 (pass_ipa_cp): GGC collect.
339 * toplev. (compile_file): Do not output symbols.
340 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
341 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
342 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
343 * lto-section-in.c: Include ggc.h
344 (lto_new_in_decl_state): Alloc in GGC.
345 (lto_delete_in_decl_state): Likewise.
346 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
349 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
352 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
353 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
354 (HONOR_REG_ALLOC_ORDER): Describe new macro.
355 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
356 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
357 account only if HONOR_REG_ALLOC_ORDER is not defined.
358 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
359 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
361 2010-04-29 Jon Grant <04@jguk.org>
363 * collect2.c (vflag): Change type from int to bool.
365 (helpflag): New global bool.
366 (main): Set vflag and debug with boolean, not integer truth values.
367 Accept new "--help" option and output usage text if found.
368 * collect2.h (vflag): Update prototype.
371 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
374 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
376 2010-04-29 Richard Guenther <rguenther@suse.de>
379 * plugin.h (invoke_plugin_callbacks): Annotate arguments
380 with ATTRIBUTE_UNUSED.
382 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
385 * config/i386/i386.c (get_some_local_dynamic_name): Replace
386 INSN_P with NONDEBUG_INSN_P.
387 (distance_non_agu_define): Likewise.
388 (distance_agu_use): Likewise.
390 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
392 From Dominique d'Humieres <dominiq@lps.ens.fr>
394 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
397 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
399 * plugin.h (invoke_plugin_callbacks): New inline function.
400 * plugin.c (flag_plugin_added): New global flag.
401 (add_new_plugin): Initialize above flag.
402 (invoke_plugin_callbacks): Rename to ...
403 (invoke_plugin_callbacks_full): ... this.
405 2010-04-28 Jan Hubicka <jh@suse.cz>
407 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
408 (lto_varpool_replace_node): New.
409 (lto_symtab_resolve_symbols): Resolve varpool nodes.
410 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
411 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
412 * cgraph.h (varpool_node_ptr): New type.
413 (varpool_node_ptr): New vector.
414 (varpool_node_set_def): New structure.
415 (varpool_node_set): New type.
416 (varpool_node_set): New vector.
417 (varpool_node_set_element_def): New structure.
418 (varpool_node_set_element, const_varpool_node_set_element): New types.
419 (varpool_node_set_iterator): New type.
420 (varpool_node): Add prev pointers, add used_from_other_partition,
422 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
423 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
424 varpool_get_node, varpool_remove_node): Declare.
425 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
426 varpool_node_set_size): New inlines.
427 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
428 * tree-pass.h (varpool_node_set_def): Forward declare.
429 (ipa_opt_pass_d): Summary writting takes vnode sets too.
430 (ipa_write_optimization_summaries): Update prototype.
431 * ipa-cp.c (ipcp_write_summary): Update.
432 * ipa-reference.c (ipa_reference_write_summary): Update.
433 * lto-cgraph.c (lto_output_varpool_node): New static function.
434 (output_varpool): New function.
435 (input_varpool_node): New static function.
436 (input_varpool_1): New function.
437 (input_cgraph): Input varpool.
438 * ipa-pure-const.c (pure_const_write_summary): Update.
439 * lto-streamer-out.c (lto_output): Update, output varpool too.
440 (write_global_stream): Kill WPA hack.
441 (produce_asm_for_decls): Update.
442 (output_alias_pair_p): Handle variables.
443 (output_unreferenced_globals): Output only needed partition of varpool.
444 * ipa-inline.c (inline_write_summary): Update.
445 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
447 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
448 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
449 varpool_node_set_new, varpool_node_set_add,
450 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
451 debug_varpool_node_set): New functions.
452 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
453 (execute_one_pass): Process new decls too.
454 (ipa_write_summaries_2): Pass around vsets.
455 (ipa_write_summaries_1): Likewise.
456 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
458 (ipa_write_optimization_summaries_1): Pass around vsets.
459 (ipa_write_optimization_summaries): Likewise.
460 * varpool.c (varpool_get_node): New.
461 (varpool_node): Update doubly linked lists.
462 (varpool_remove_node): New.
463 (dump_varpool_node): More dumping.
464 (varpool_enqueue_needed_node): Update doubly linked lists.
465 (decide_is_variable_needed): Kill ltrans hack.
466 (varpool_finalize_decl): Kill lto hack.
467 (varpool_assemble_decl): Skip decls in other partitions.
468 (varpool_assemble_pending_decls): Update doubly linkes lists.
469 (varpool_empty_needed_queue): Likewise.
470 (varpool_extra_name_alias): Likewise.
471 * lto-streamer.c (lto_get_section_name): Add vars section.
472 * lto-streamer.h (lto_section_type): Update.
473 (output_varpool, input_varpool): Declare.
475 2010-04-28 Mike Stump <mikestump@comcast.net>
477 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
479 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
481 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
482 record or union type with RECORD_OR_UNION_TYPE_P predicate.
483 (lto_input_ts_type_tree_pointers): Likewise.
484 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
485 (lto_output_ts_type_tree_pointers): Likewise.
487 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
489 Uniquization of constants at the Tree level
490 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
491 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
493 (tree_output_constant_def): Declare.
494 * gimplify.c (gimplify_init_constructor): When using block copy, first
495 uniquize the constant constructor on the RHS.
496 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
497 DECL_IN_CONSTANT_POOL flag.
498 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
499 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
501 (assemble_variable): Deal with symbols belonging to the tree constant
503 (get_constant_section): Add ALIGN parameter and simplify.
504 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
505 (assemble_constant_contents): Use the expression of the VAR_DECL.
506 (output_constant_def_contents): Use the alignment of the VAR_DECL.
507 (tree_output_constant_def): New global function.
508 (mark_constant): Use the expression of the VAR_DECL.
509 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
511 (output_object_block): Likewise and assemble the expression.
513 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
515 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
516 hash_tree, eq_tree): New tree hash table.
517 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
518 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
519 lto_orig_address_remove): Reimplement.
521 2010-04-28 Xinliang David Li <davidxl@google.com>
524 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
525 (compute_uninit_opnds_pos): New function.
526 (is_non_loop_exit_postdominating): New function.
527 (compute_control_dep_chain): New function.
528 (find_pdom): New function.
529 (convert_control_dep_chain_into_preds): New function.
530 (find_predicates): New function.
531 (find_control_equiv_block): New function.
532 (collect_phi_def_edges): New function.
533 (find_def_preds): New function.
534 (find_dom): New function.
535 (dump_predicates): New function.
536 (get_cmp_code): New function.
537 (is_value_included_in): New function.
538 (find_matching_predicate_in_rest_chains): New function.
539 (use_pred_not_overlap_with_undef_path_pred): New function.
540 (is_use_properly_guarded): New function.
541 (normalize_cond_1): New function.
542 (is_and_or_or): New function.
543 (normalize_cond): New function.
544 (is_gcond_subset_of): New function.
545 (is_subset_of_any): New function.
546 (is_or_set_subset_of): New function.
547 (is_and_set_subset_of): New function.
548 (is_norm_cond_subset_of): New function.
549 (is_pred_expr_subset_of): New function.
550 (is_pred_chain_subset_of): New function.
551 (is_included_in): New function.
552 (is_superset_of): New function.
553 (find_uninit_use): New function.
554 (warn_uninitialized_phi): New function.
555 (compute_possibly_undefined_names): New function.
556 (ssa_undefined_value_p): New function.
557 (execute_late_warn_uninitialized): New function.
558 * tree-ssa.c (ssa_undefined_value_p): Removed.
559 (warn_uninit): Changed to extern.
560 (warn_uninitialized_phi): Removed.
561 (warn_uninitialized_vars): Changed to extern.
562 (execute_late_warn_uninitialized): Removed
563 * tree-flow.h: Add new prototypes.
564 * timevar.def: Add new time variable.
565 * Makefile.in: Add new build file.
567 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
569 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
572 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
575 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
577 2010-04-28 Martin Jambor <mjambor@suse.cz>
579 * cgraph.h (struct cgraph_node): New field indirect_calls.
580 (struct cgraph_indirect_call_info): New type.
581 (struct cgraph_edge): Removed field indirect_call. New fields
582 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
583 (cgraph_create_indirect_edge): Declare.
584 (cgraph_make_edge_direct): Likewise.
585 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
586 * ipa-prop.h (struct ipa_param_call_note): Removed.
587 (struct ipa_node_params): Removed field param_calls.
588 (ipa_create_all_structures_for_iinln): Declare.
589 * cgraph.c: Described indirect edges and uids in initial comment.
590 (cgraph_add_edge_to_call_site_hash): New function.
591 (cgraph_edge): Search also among the indirect edges, use
592 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
593 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
594 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
596 (initialize_inline_failed): Assign a reason to indirect edges.
597 (cgraph_create_edge_1): New function.
598 (cgraph_create_edge): Moved some functionality to
599 cgraph_create_edge_1.
600 (cgraph_create_indirect_edge): New function.
601 (cgraph_edge_remove_callee): Add an assert checking for
603 (cgraph_edge_remove_caller): Special-case indirect edges.
604 (cgraph_remove_edge): Likewise.
605 (cgraph_set_edge_callee): New function.
606 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
607 (cgraph_make_edge_direct): New function.
608 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
609 the declaration of the call statement matches.
610 (cgraph_node_remove_callees): Special-case indirect edges.
611 (cgraph_clone_edge): Likewise.
612 (cgraph_clone_node): Clone also the indirect edges.
613 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
614 indirect_call, dump count of indirect_calls edges.
615 * ipa-prop.c (iinlining_processed_edges): New variable.
616 (ipa_note_param_call): Create indirect edges instead of
617 creating notes. New parameter node.
618 (ipa_analyze_call_uses): New parameter node, pass it on to
620 (ipa_analyze_stmt_uses): Likewise.
621 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
622 (print_edge_addition_message): Work on edges rather than on notes.
623 (update_call_notes_after_inlining): Likewise, renamed to
624 update_indirect_edges_after_inlining.
625 (ipa_create_all_structures_for_iinln): New function.
626 (ipa_free_node_params_substructures): Do not free notes.
627 (ipa_edge_duplication_hook): Propagate bits within
628 iinlining_processed_edges bitmap.
629 (ipa_node_duplication_hook): Do not duplicate notes.
630 (free_all_ipa_structures_after_ipa_cp): Renamed to
631 ipa_free_all_structures_after_ipa_cp.
632 (free_all_ipa_structures_after_iinln): Renamed to
633 ipa_free_all_structures_after_iinln.g
634 (ipa_write_param_call_note): Removed.
635 (ipa_read_param_call_note): Removed.
636 (ipa_write_indirect_edge_info): New function.
637 (ipa_read_indirect_edge_info): Likewise.
638 (ipa_write_node_info): Do not stream notes, do stream information
640 (ipa_read_node_info): Likewise.
641 (lto_ipa_fixup_call_notes): Removed.
642 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
643 * ipa-inline.c (pass_ipa_inline): Likewise.
644 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
645 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
646 * tree-inline.c (copy_bb): Removed an unnecessary double check for
648 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
650 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
651 (output_cgraph): Stream also indirect edges.
652 (lto_output_edge): Added capability to stream indirect edges.
653 (input_edge): Likewise.
654 (input_cgraph_1): Likewise.
655 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
658 2010-04-28 Richard Guenther <rguenther@suse.de>
660 PR tree-optimization/43879
661 PR tree-optimization/43909
662 * tree-ssa-structalias.c (struct variable_info): Add
663 only_restrict_pointers flag.
664 (new_var_info): Initialize it. Increment stats.total_vars here.
665 (create_function_info_for): Do not increment stats.total_vars
667 (get_function_part_constraint): Fix build with C++.
668 (insert_into_field_list): Remove.
669 (push_fields_onto_fieldstack): Properly merge fields.
670 (create_variable_info_for): Split and simplify.
671 (create_variable_info_for_1): New piece.
672 (intra_create_variable_infos): Properly make restrict constraints
675 2010-04-28 Richard Guenther <rguenther@suse.de>
678 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
680 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
681 Jan Hubicka <hubicka@ucw.cz>
683 * doc/invoke.texi (-Wsuggest-attribute=const,
684 -Wsuggest-attribute=pure): Document.
685 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
686 (function_always_visible_to_compiler_p,
687 suggest_attribute, warn_function_pure, warn_function_const):
689 (check_call): Improve debug info.
690 (analyze_function): Do not check availability.
691 (add_new_function): Check availability.
692 (propagate): Output warnings.
693 (skip_function_for_local_pure_const): New function.
694 (local_pure_const): Use it; output warnings.
695 * common.opt (Wsuggest-attribute=const,
696 Wsuggest-attribute=pure): New.
698 2010-04-27 Jakub Jelinek <jakub@redhat.com>
700 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
701 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
702 or DW_CFA_def_cfa_offset{,_sf}.
704 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
706 * tree.h: Fix truncated long macros.
708 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
710 * collect2.c (TARGET_64BIT): Redefine to target's default.
712 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
713 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
714 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
715 for underscoring __USER_LABEL_PREFIX__.
716 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
717 (SUB_LINK_ENTRY32): New.
718 (SUB_LINK_ENTRY64): New.
719 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
720 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
721 (SUB_LINK_ENTRY64): New.
722 (SUB_LINK_ENTRY): New.
723 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
724 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
725 x64 target is choosen.
726 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
727 * configure: Regenerated.
728 * configure.ac (leading-mingw64-underscores): Option added.
730 2010-04-27 Jan Hubicka <jh@suse.cz>
732 * doc/invoke.texi (-fipa-profile): Document.
733 * opts.c (decode_options): Enable ipa-profile at -O1.
734 * timevar.def (TV_IPA_PROFILE): Define.
735 * common.opt (fipa-profile): Add.
736 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
738 (cgraph_propagate_frequency): Handle only local ones.
739 * tree-pass.h (pass_ipa_profile): Declare.
740 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
741 (pass_ipa_profile): Use TV_IPA_PROFILE.
742 * ipa.c (ipa_profile): New function.
743 (gate_ipa_profile): Likewise.
744 (pass_ipa_profile): New global variable.
745 * passes.c (pass_ipa_profile): New.
747 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
749 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
751 2010-04-27 Martin Jambor <mjambor@suse.cz>
754 * ipa.c (dissolve_same_comdat_group_list): New function.
755 (function_and_variable_visibility): Call
756 dissolve_same_comdat_group_list when comdat group contains external or
758 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
759 lists are circular and that they contain only DECL_ONE_ONLY nodes.
761 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
763 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
764 (const_hash_1) <VECTOR_CST>: New case.
765 (compare_constant) <VECTOR_CST>: Likewise.
766 <ADDR_EXPR>: Deal with LABEL_REFs.
767 (copy_constant) <VECTOR_CST>: New case.
769 2010-04-27 Jan Hubicka <jh@suse.cz>
771 * cgraph.c (cgraph_propagate_frequency): New function.
772 * cgraph.h (cgraph_propagate_frequency): Declare.
773 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
774 cgraph_propagate_frequency.
776 2010-04-27 Jakub Jelinek <jakub@redhat.com>
778 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
780 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
783 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
784 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
785 here to determine which regs to push and how much stack to reserve.
787 2010-04-27 Jie Zhang <jie@codesourcery.com>
789 * doc/gimple.texi (gimple_statement_with_ops): Remove
790 addresses_taken field.
791 (gimple_statement_with_memory_ops): Likewise.
793 2010-04-27 Jan Hubicka <jh@suse.cz>
795 * tree-inline.c (eni_inlining_weights): Remove.
796 (estimate_num_insns): Special case more builtins.
798 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
801 * c-typeck.c (build_binary_op): Move forward check for comparison
802 pointer with null pointer constant and adjust the diagnostic message.
804 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
807 * configure.ac (gcc_cv_as_section_has_align): Set if installed
808 binutils supports extended .section directive needed by LTO, or
809 warn if older binutils found.
810 (LTO_BINARY_READER): New AC_SUBST'd variable.
811 (LTO_USE_LIBELF): Likewise.
812 * gcc/config.gcc (lto_binary_reader): New target-specific configure
814 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
815 (LTO_USE_LIBELF): Likewise.
816 * configure: Regenerate.
818 * collect2.c (is_elf): Rename from this ...
819 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
820 object files in addition to ELF-formatted ones.
821 (scan_prog_file): Caller updated. Also allow for LTO info marker
822 symbol to be prefixed or not by an extra underscore.
824 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
825 * config/i386/winnt.c: Also #include lto-streamer.h
826 (i386_pe_asm_named_section): Specify 1-byte section alignment for
828 (i386_pe_asm_output_aligned_decl_common): Add comment.
829 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
831 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
834 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
835 Add missing earlyclobber for second alternative.
837 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
839 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
840 bits for artificial defs at the top of the block.
841 * fwprop.c (single_def_use_enter_block): Don't call it.
843 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
846 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
847 instead of "$gcc_cv_objdump -T".
848 Use "-undefined dynamic_lookup" on darwin.
849 * gcc/configure: Regenerate.
851 2010-04-26 Jakub Jelinek <jakub@redhat.com>
854 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
856 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
858 * c-parser.c (struct c_token): Move location field up.
859 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
860 (struct c_declspecs): Convert typespec_word, storage_class, and
861 default_int_p into bitfields.
862 (struct c_declarator): Move loc field up.
864 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
866 * cfgloop.h (struct loop): Move can_be_parallel field up.
867 * ipa-prop.h (struct ip_node_params): Move bitfields up.
868 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
870 (struct iv_cand): Convert pos field into a bitfield.
871 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
873 (struct _stmt_vec_info): Shuffle fields for better packing.
875 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
877 * varasm.c (IN_NAMED_SECTION): Remove guard.
878 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
879 (IN_NAMED_SECTION_P): ...this.
880 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
881 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
883 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
885 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
886 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
887 of shadowing it. Fix comments.
889 2010-04-26 Jan Hubicka <jh@suse.cz>
891 * cgraph.c (cgraph_create_node): Set node frequency to normal.
892 (cgraph_clone_node): Copy function frequency.
893 * cgraph.h (node_frequency): New enum
894 (struct cgraph_node): Add.
895 * final.c (rest_of_clean_state): Update.
896 * lto-cgraph.c (lto_output_node): Output node frequency.
897 (input_overwrite_node): Input node frequency.
898 * tre-ssa-loop-ivopts (computation_cost): Update.
899 * lto-streamer-out.c (output_function): Do not output function
901 * predict.c (maybe_hot_frequency_p): Update and handle functions
903 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
905 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
906 (compute_function_frequency): Set noreturn functions to be executed
908 (choose_function_section): Update.
909 * lto-streamer-in.c (input_function): Do not input function frequency.
910 * function.c (allocate_struct_function): Do not initialize function
912 * function.h (function_frequency): Remove.
913 (struct function): Remove function frequency.
914 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
915 (try_update): Update.
916 * tree-inline.c (initialize_cfun): Do not update function frequency.
917 * passes.c (pass_init_dump_file): Update.
918 * i386.c (ix86_compute_frame_layout): Update.
919 (ix86_pad_returns): Update.
921 2010-04-26 Jie Zhang <jie@codesourcery.com>
923 PR tree-optimization/43833
924 * tree-vrp.c (range_int_cst_p): New.
925 (range_int_cst_singleton_p): New.
926 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
927 when both operands are constants. Use range_int_cst_p in
930 2010-04-26 Jan Hubicka <jh@suse.cz>
932 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
934 2010-04-26 Richard Guenther <rguenther@suse.de>
937 * gimple.c (gimple_decl_printable_name): Deal gracefully
938 with a NULL DECL_NAME.
940 2010-04-26 Richard Guenther <rguenther@suse.de>
943 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
944 if emitting debug information and it is either a function
947 2010-04-26 Ira Rosen <irar@il.ibm.com>
949 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
950 determine if the statement is vectorizable, and a macro to access it.
951 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
952 Skip statements that can't be vectorized. If the analysis fails,
953 mark the statement as unvectorizable if vectorizing basic block.
954 (vect_compute_data_refs_alignment): Likewise.
955 (vect_verify_datarefs_alignment): Skip statements marked as
956 unvectorizable. Add print.
957 (vect_analyze_group_access): Skip statements that can't be
958 vectorized. If the analysis fails, mark the statement as
959 unvectorizable if vectorizing basic block.
960 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
961 * tree-vect-stmts.c (vectorizable_store): Fix the number of
962 generated stmts for SLP.
963 (new_stmt_vec_info): Initialize the new field.
964 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
965 statements marked as unvectorizable.
967 2010-04-25 Joseph Myers <joseph@codesourcery.com>
969 * c-common.c (flag_isoc1x): New.
970 (flag_isoc99): Update comment.
971 * c-common.h (flag_isoc1x): New.
972 (flag_isoc99): Update comment.
973 * c-cppbuiltin.c (builtin_define_float_constants): Also define
974 __<type>_DECIMAL_DIG__.
975 * c-opts.c (set_std_c1x): New.
976 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
977 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
978 * c.opt (-std=c1x, -std=gnu1x): New options.
979 * doc/cpp.texi: Mention -std=c1x.
980 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
981 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
982 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
983 * doc/standards.texi: Mention C1X.
984 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
985 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
986 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
989 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
991 * config/i386/gmon-sol2.c (_mcleanup): Change format string
992 placeholder from 0x%x to %#x.
993 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
994 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
995 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
996 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
997 * config/i386/i386.c (ix86_target_string): Ditto.
998 (output_pic_addr_const): Ditto.
999 (print_operand): Ditto.
1001 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
1003 * combine.c (find_split_point): Add third argument. Use it
1004 to find nested multiply-accumulate instructions. Adjust calls.
1005 (try_combine): Adjust call to find_split_point.
1007 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
1009 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1011 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
1013 PR tree-optimization/41442
1014 * fold-const.c (merge_truthop_with_opposite_arm): New function.
1015 (fold_binary_loc): Call it.
1017 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1019 * toplev.c (general_init): Set default for fdiagnostics-show-option.
1020 * opts.c (common_handle_option): Allow disabling it.
1021 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1023 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
1025 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1026 between modes if both types are integral.
1028 2010-04-23 Richard Guenther <rguenther@suse.de>
1030 PR tree-optimization/43572
1031 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1033 2010-04-23 Richard Guenther <rguenther@suse.de>
1036 * tree-inline.c (tree_can_inline_p): Also check compatibility
1039 2010-04-23 Martin Jambor <mjambor@suse.cz>
1041 PR tree-optimization/43846
1042 * tree-sra.c (struct access): New flag grp_assignment_read.
1043 (build_accesses_from_assign): Set grp_assignment_read.
1044 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1045 (enum mark_read_status): New type.
1046 (analyze_access_subtree): Propagate grp_assignment_read, create
1047 accesses also if both direct_read and root->grp_assignment_read.
1049 2010-04-23 Martin Jambor <mjambor@suse.cz>
1052 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1053 function does not have type attributes.
1055 2010-04-23 Richard Guenther <rguenther@suse.de>
1058 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1061 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1063 * sese.h (create_if_region_on_edge): Remove.
1065 * sese.c (create_if_region_on_edge): Make static.
1067 * tree-inline.c: Do not include ggc.h.
1069 * expr.c: Do not include ggc.h.
1071 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1074 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
1077 * config/sh/sh.c (find_barrier): Don't emit a constant pool
1078 in the middle of insns for casesi_worker_2.
1080 2010-04-22 David Edelsohn <edelsohn@gnu.org>
1082 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1084 2010-04-22 Ira Rosen <irar@il.ibm.com>
1086 PR tree-optimization/43842
1087 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1088 loop unrolling in update of exit phis. Fix comment.
1089 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1090 least two reduction statements in the loop before starting SLP
1093 2010-04-22 Nick Clifton <nickc@redhat.com>
1095 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1097 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
1099 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1102 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1104 * tree-parloops.c (loop_parallel_p): New argument
1105 parloop_obstack. Pass it down.
1106 (parallelize_loops): New variable parloop_obstack. Initialize it,
1107 pass it down, free it.
1109 * tree-loop-linear.c (linear_transform_loops): Pass down
1112 * tree-data-ref.h (lambda_compute_access_matrices): New argument
1113 of type struct obstack *.
1115 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1116 scratch_obstack. Initialize it, pass down, free it.
1118 * lambda.h (lambda_loop_new): Remove.
1119 (lambda_matrix_new, lambda_matrix_inverse)
1120 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1121 argument of type struct obstack *.
1123 * lambda-trans.c (lambda_trans_matrix_new): New argument
1124 lambda_obstack. Pass it down, use obstack allocation for ret.
1125 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
1128 * lambda-mat.c (lambda_matrix_get_column)
1129 (lambda_matrix_project_to_null): Remove.
1130 (lambda_matrix_new): New argument lambda_obstack. Use obstack
1132 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1135 * lambda-code.c (lambda_loop_new): New function.
1136 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1137 (lambda_compute_auxillary_space, lambda_compute_target_space)
1138 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1139 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1140 (build_access_matrix): New argument lambda_obstack. Use obstack
1142 (lambda_compute_step_signs, lambda_compute_access_matrices): New
1143 argument lambda_obstack. Pass it down.
1145 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1147 * optabs.h (expand_widening_mult): Declare.
1149 2010-04-22 Richard Guenther <rguenther@suse.de>
1151 PR tree-optimization/43845
1152 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1153 lookup the CALL_EXPR function and arguments.
1155 2010-04-22 Nick Clifton <nickc@redhat.com>
1157 * config/stormy16/stormy16.c
1158 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1159 * config/stormy16/stormy16.h: Tidy up formatting.
1160 (DONT_USE_BUILTIN_SETJMP): Remove definition.
1161 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1162 (ineqbranchsi): Delete pattern.
1163 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1164 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1165 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1166 stormy16-lib2-ucmpsi2.c.
1168 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1170 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1171 df_simulate_find_noclobber_defs as appropriate. Keep track of an
1172 extra set merge_set_noclobber, and use it to relax the final test
1174 * df.h (df_simulate_find_noclobber_defs): Declare.
1175 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1177 (df_simulate_find_noclobber_defs): New function.
1179 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
1181 * config/i386/i386.md: Use {} around multi-line preparation statements.
1183 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1185 * c-tree.h (push_init_level, pop_init_level, set_init_index)
1186 (process_init_element): New argument of type struct obstack *.
1188 * c-typeck.c (push_init_level, pop_init_level, set_designator)
1189 (set_init_index, set_init_label, set_nonincremental_init)
1190 (set_nonincremental_init_from_string, find_init_member)
1191 (output_init_element, output_pending_init_elements)
1192 (process_init_element): New argument braced_init_obstack. Pass it
1194 (push_range_stack, add_pending_init): New argument
1195 braced_init_obstack. Use obstack allocation.
1197 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1198 braced_init_obstack. Pass it down.
1199 (c_parser_braced_init): New variables ret, braced_init_obstack.
1200 Initialize obstack, pass it down and finally free it.
1202 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1205 * tree-pass.h (pass_optimize_widening_mul): Declare.
1206 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1207 gate_optimize_widening_mul): New static functions.
1208 (pass_optimize_widening_mul): New.
1209 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1210 <case MULT_EXPR>: Remove support for widening multiplies.
1211 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1212 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1213 simplify_gen_unary rather than directly building extensions.
1214 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1216 * expmed.c (expand_widening_mult): New function.
1217 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1219 2010-04-21 Jan Hubicka <jh@suse.cz>
1221 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1222 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1223 * lto-wpa-fixup.c: Remove.
1224 * Makefile.in (lto-wpa-fixup.o): Remove.
1225 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1226 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1227 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1229 2010-04-21 Jan Hubicka <jh@suse.cz>
1231 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1232 add write_optimization_summary, read_optimization_summary.
1233 (ipa_write_summaries_of_cgraph_node_set): Remove.
1234 (ipa_write_optimization_summaries): Declare.
1235 (ipa_read_optimization_summaries): Declare.
1236 * ipa-cp.c (pass_ipa_cp): Update.
1237 * ipa-reference.c (pass_ipa_reference): Update.
1238 * ipa-pure-const.c (pass_ipa_pure_const): Update.
1239 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1241 * ipa-inline.c (pass_ipa_inline): Update.
1242 * ipa.c (pass_ipa_whole_program): Update.
1243 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1244 * passes.c (ipa_write_summaries_1): Do not test wpa.
1245 (ipa_write_optimization_summaries_1): New.
1246 (ipa_write_optimization_summaries): New.
1247 (ipa_read_summaries): Do not test ltrans.
1248 (ipa_read_optimization_summaries_1): New.
1249 (ipa_read_optimization_summaries): New.
1251 2010-04-21 Jan Hubicka <jh@suse.cz>
1253 * lto-cgraph.c (lto_output_node): Do not output comdat groups
1255 (output_cgraph): Do not arrange comdat groups for boundary nodes.
1257 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1260 * dwarf2out.c (add_name_and_src_coords_attributes): Add
1261 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1263 2010-04-21 Jan Hubicka <jh@suse.cz>
1265 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1267 2010-04-21 Jan Hubicka <jh@suse.cz>
1269 * varpool.c (decide_is_variable_needed): Variable is always needed
1272 2010-04-21 Jan Hubicka <jh@suse.cz>
1274 * opts.c (decode_options): Enable pure-const pass for whopr.
1276 2010-04-21 Jan Hubicka <jh@suse.cz>
1278 * cgraph.c (dump_cgraph_node): Dump also assembler name.
1279 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1281 (cgraph_decide_inlining): Do not expect callee to be removed in all
1284 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
1286 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1288 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1290 * config/i386/i386.md (x86_shrd): Add athlon_decode and
1291 amdfam10_decode attributes.
1293 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1296 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1297 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1298 (lower_copyprivate_clauses): Use private var in outer
1299 context instead of original var. Make sure the types
1300 are correct for VLAs.
1302 2010-04-21 Richard Guenther <rguenther@suse.de>
1304 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1305 to non-pointer objects.
1307 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1309 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
1310 last chain entry if it starts with the still current label.
1311 (add_location_or_const_value_attribute): Check that
1312 loc_list->first->next is NULL instead of comparing ->first with ->last.
1313 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1314 to add_var_loc_to_decl.
1316 * dwarf2out.c (output_call_frame_info): For dw_cie_version
1317 >= 4 add also address size and segment size fields into CIE header.
1319 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1320 long as address size is the same as sizeof (void *) and
1322 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
1323 address size or segment size is unexpected, return DW_EH_PE_omit.
1324 (classify_object_over_fdes): If get_cie_encoding returned
1325 DW_EH_PE_omit, return -1.
1326 (init_object): If classify_object_over_fdes returned -1,
1327 pretend there were no FDEs at all.
1329 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1331 * config/i386/i386.md (bswap<mode>2): Macroize expander from
1332 bswap{si,di}2 using SWI48 mode iterator.
1333 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1334 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
1335 set modrm attribute of bswap insn to 0 and remove length attribute.
1336 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1337 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
1338 set mode attribute to <MODE> and remove length attribute.
1340 2010-04-20 James E. Wilson <wilson@codesourcery.com>
1342 PR rtl-optimization/43520
1343 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1344 zero available registers.
1346 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1348 * builtins.c (fold_builtin_cproj): Fold more cases.
1350 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1352 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1353 (fold_builtin_1): Fold builtin cproj.
1354 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1355 Use ATTR_CONST_NOTHROW_LIST.
1357 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
1359 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1360 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
1361 ffsi2_no_cmove for !TARGET_CMOVE.
1362 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
1363 (ffssi2): Remove expander.
1364 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1366 (ctz<mode>2): Ditto from ctz{si,di}2.
1367 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1369 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1372 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1374 * dwarf2out.c (AT_linkage_name): Define.
1375 (clone_as_declaration): Handle DW_AT_linkage_name.
1376 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1377 of DW_AT_MIPS_linkage_name.
1378 (move_linkage_attr): Likewise.
1379 (dwarf2out_finish): Likewise.
1381 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
1384 * fold-const.c (fold_comparison): New folding rule.
1386 2010-04-20 Anatoly Sokolov <aesok@post.ru>
1388 * double-int.h (double_int_setbit): Declare.
1389 * double-int.c (double_int_setbit): New function.
1390 * rtl.h (immed_double_int_const): Declare.
1391 * emit-rtl.c (immed_double_int_const): New function.
1392 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1393 and immed_double_int_const functions.
1394 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1395 expand_copysign_bit): (Ditto.).
1396 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1397 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1398 * dojump.c (prefer_and_bit_test): (Ditto.).
1399 * expr.c (convert_modes, reduce_to_bit_field_precision,
1400 const_vector_from_tree): (Ditto.).
1401 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1403 2010-04-20 Jan Hubicka <jh@suse.cz>
1405 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1406 (dump_cgraph_node): Dump new flags.
1407 * cgraph.h (struct cgraph_node): Add flags
1408 reachable_from_other_partition and in_other_partition.
1409 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1410 other partition can not be removed.
1411 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1412 the other partition must be output; silence sanity checking on
1413 leaking functions bodies from other paritition.
1414 * lto-cgraph.c (reachable_from_other_partition_p): New function.
1415 (lto_output_node): Output new flags; do not sanity check that inline
1416 clones are output; drop lto_forced_extern_inline_p code; do not mock
1417 visibility flags at partition boundaries.
1418 (add_node_to): New function.
1419 (output_cgraph): Use it to sort functions so masters appear before
1421 (input_overwrite_node): Input new flags.
1422 * passes.c (ipa_write_summaries): Do not call
1423 lto_new_extern_inline_states.
1424 * lto-section-out.c (forced_extern_inline,
1425 lto_new_extern_inline_states lto_delete_extern_inline_states,
1426 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1427 * lto-streamer.h (lto_new_extern_inline_states,
1428 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1429 lto_forced_extern_inline_p): Kill.
1431 2010-04-20 Richard Guenther <rguenther@suse.de>
1433 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1434 from vars that can have pointers.
1435 (process_constraint): Dump useless constraints.
1437 2010-04-20 Richard Guenther <rguenther@suse.de>
1439 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1440 (dump_sa_points_to_info): Remove asserts.
1441 (init_base_vars): nothing_id isn't an escape point nor does it
1444 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1446 * tree.h (TYPE_REF_IS_RVALUE): Define.
1447 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1448 should_move_die_to_comdat, prune_unused_types_walk): Handle
1449 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1450 (modified_type_die, gen_reference_type_die): Emit
1451 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1452 if TYPE_REF_IS_RVALUE and -gdwarf-4.
1454 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1457 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1458 calls for -fpic -m31 if they have been sibcall optimized.
1460 2010-04-19 James E. Wilson <wilson@codesourcery.com>
1462 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1463 ar.lc fixed and call-used.
1465 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1467 2010-04-19 Jan Hubicka <jh@suse.cz>
1469 * opts.c (decode_options): Disable whpr incompatible passes.
1470 * lto/lto.c (lto_1_to_1_map): Skip clones.
1471 (read_cgraph_and_symbols): Do not mark everything as needed.
1472 (do_whole_program_analysis): Do map only after optimizing;
1473 set proper cgraph_state; use passmanager.
1475 2010-04-19 DJ Delorie <dj@redhat.com>
1477 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1478 POINTER_PLUS_EXPR and fix them.
1480 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
1482 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1483 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1484 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1485 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1486 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1487 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1488 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1489 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1490 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1491 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1492 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1494 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
1496 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1497 (check_cond_move_block): Likewise.
1498 (cond_move_process_if_block): Likewise.
1499 (noce_find_if_block): Improve formatting.
1500 (find_if_header): Pass 0 to memset and tweak conditions.
1501 (cond_exec_find_if_block): Fix long lines and tweak conditions.
1503 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1505 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1509 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1510 with non-local decl doesn't need chain.
1512 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
1514 * ira-color.c (allocno_reload_assign): Avoid accumulating
1515 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1517 2010-04-19 Martin Jambor <mjambor@suse.cz>
1519 * gimple.h (create_tmp_reg): Declare.
1520 * gimplify.c (create_tmp_reg): New function.
1521 (gimplify_return_expr): Use create_tmp_reg.
1522 (gimplify_omp_atomic): Likewise.
1523 (gimple_regimplify_operands): Likewise.
1524 * tree-dfa.c (make_rename_temp): Likewise.
1525 * tree-predcom.c (predcom_tmp_var): Likewise.
1526 (reassociate_to_the_same_stmt): Likewise.
1527 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1528 (get_replaced_param_substitute): Likewise.
1529 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1530 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1531 * tree-ssa-pre.c (get_representative_for): Likewise.
1532 (create_expression_by_pieces): Likewise.
1533 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1534 (create_tailcall_accumulator): Likewise.
1536 2010-04-19 Martin Jambor <mjambor@suse.cz>
1538 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1540 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1542 2010-04-19 Richard Guenther <rguenther@suse.de>
1544 PR tree-optimization/43796
1545 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1546 from SCEV in the lattice.
1547 (vrp_visit_phi_node): Dump change.
1549 2010-04-19 Richard Guenther <rguenther@suse.de>
1551 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1552 * configure: Re-generated.
1554 2010-04-19 Richard Guenther <rguenther@suse.de>
1556 PR tree-optimization/43783
1557 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1558 constant ARRAY_REF operands two and three if possible.
1560 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
1563 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1565 2010-04-19 Jie Zhang <jie@codesourcery.com>
1568 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1570 2010-04-19 Ira Rosen <irar@il.ibm.com>
1572 PR tree-optimization/37027
1573 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1574 and macro to access it.
1575 (vectorizable_reduction): Add argument.
1576 (vect_get_slp_defs): Likewise.
1577 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1578 statements for possible use in SLP.
1579 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1580 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1581 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1583 (vectorizable_reduction): Likewise.
1584 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1586 (vectorizable_type_demotion, vectorizable_type_promotion,
1587 vectorizable_store): Likewise.
1588 (vect_analyze_stmt): Update call to vectorizable_reduction.
1589 (vect_transform_stmt): Likewise.
1590 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1591 (vect_build_slp_tree): Fix indentation. Check that there are no loads
1592 from different interleaving chains in same node.
1593 (vect_slp_rearrange_stmts): New function.
1594 (vect_supported_load_permutation_p): Allow load permutations for
1595 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1596 inside SLP nodes if necessary.
1597 (vect_analyze_slp_instance): Handle reductions.
1598 (vect_analyze_slp): Try to build SLP instances originating from groups
1600 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1601 (vect_get_constant_vectors): Create initial vectors for reductions
1602 according to reduction code. Add new argument.
1603 (vect_get_slp_defs): Add new argument, pass it to
1604 vect_get_constant_vectors.
1605 (vect_schedule_slp_instance): Remove SLP tree root statements.
1607 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1609 * tree.h (ENUM_IS_SCOPED): Define.
1610 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1611 for ENUM_IS_SCOPED enums.
1613 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
1615 * fold-const.c (fold_comparison): Use ssizetype.
1616 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1617 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1618 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1619 * tree-object-size.c (compute_object_sizes): Use size_type_node.
1621 * tree.h (initialize_sizetypes): Remove parameter.
1622 (build_common_tree_nodes): Remove second parameter.
1623 * stor-layout.c (initialize_sizetypes): Remove parameter.
1624 Always create an unsigned type.
1625 (set_sizetype): Assert that the passed type is unsigned and simplify.
1626 * tree.c (build_common_tree_nodes): Remove second parameter.
1627 Adjust call to initialize_sizetypes.
1628 * c-decl.c (c_init_decl_processing): Remove second argument in call to
1629 build_common_tree_nodes.
1631 2010-04-18 Matthias Klose <doko@ubuntu.com>
1633 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1635 2010-04-18 Ira Rosen <irar@il.ibm.com>
1637 PR tree-optimization/43771
1638 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1639 load permutation doesn't have gaps.
1641 2010-04-18 Jan Hubicka <jh@suse.cz>
1643 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1644 (sse_prologue_save_insn expander): Use new pattern.
1645 (sse_prologue_save_insn1): New pattern and splitter.
1646 (sse_prologue_save_insn): Update to deal also with 64bit aligned
1648 * i386.c (setup_incoming_varargs_64): Do not compute jump
1650 (ix86_gimplify_va_arg): Update alignment needed.
1651 (ix86_local_alignment): Do not align all local arrays to 128bit.
1653 2010-04-17 Jan Hubicka <jh@suse.cz>
1655 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1657 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1659 * arm.md (negdi2): Remove redundant code to force values into a
1662 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1664 * arm/bpabi.S: Add EABI alignment attributes to objects.
1665 * arm/bpabi-v6m.S: Likewise.
1666 * arm/crti.asm: Likewise.
1667 * arm/crtn.asm: Likewise.
1668 * arm/lib1funcs.asm: Likewise.
1669 * arm/libunwind.S: Likewise.
1671 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1673 * arm-protos.h (tune_params): New structure.
1674 * arm.c (current_tune): New variable.
1675 (arm_constant_limit): Delete.
1676 (struct processors): Add pointer to the tune parameters.
1677 (arm_slowmul_tune): New tuning option.
1678 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1679 (all_cores): Adjust to pick up the tuning model.
1680 (arm_constant_limit): New function.
1681 (arm_override_options): Select the appropriate tuning model. Delete
1682 initialization of arm_const_limit.
1683 (arm_split_constant): Use the new constant-limit model.
1684 (arm_rtx_costs): Pick up the current tuning model.
1685 * arm.md (is_strongarm, is_xscale): Delete.
1686 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1687 for Xscale variant architectures.
1688 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1690 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1692 * config/arm/arm.c (arm_gen_constant): Remove unused variable
1694 (arm_rtx_costs_1): Remove unused variable extra_cost.
1695 (arm_unwind_emit_set): Use variable offset.
1696 (thumb1_output_casesi): Remove unused variable flags.
1698 2010-04-16 Jeff Law <law@redhat.com>
1700 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1701 needing assignment rather than doing a two-phase assignment. Remove
1702 unused variable 'm'.
1704 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1707 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1709 2010-04-16 Doug Kwan <dougkwan@google.com>
1711 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1712 (next_operand_entry_id): New static variable.
1713 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1714 (add_to_ops_vec): Assigned unique ID to operand entry.
1715 (struct oecount_s): New field ID.
1716 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1717 (undistribute_ops_list): Assign unique IDs to oecounts.
1718 (init_reassoc): reset next_operand_entry_id.
1720 2010-04-16 Doug Kwan <dougkwan@google.com>
1722 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1723 missing left parenthesis.
1725 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
1727 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1728 *btdi_rex64 using SWI48 mode iterator.
1729 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1730 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1731 *jcc_btdi_mask_rex64.
1733 2010-04-16 Anatoly Sokolov <aesok@post.ru>
1735 * double-int.h (tree_to_double_int): Convert to macro.
1736 * double-int.c (tree_to_double_int): Remove.
1738 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1741 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1742 with want_address 2 and in case a single element list might be
1743 possible, call it again with want_address 0.
1745 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1747 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1748 case 'W' print operands for HI mode.
1749 * config/h8300/h8300.h (Y0, Y2) : New constraints.
1750 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1751 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1752 * config/h8300/predicate.md (bit_register_indirect_operand): New.
1754 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1756 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1757 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1758 #xx:3 and #xx:4 mode.
1760 * config/h8300/h8300.md (inverted load with HImode dest): Add
1761 support for H8300SX.
1763 * config/h8300/predicate.md (bit_operand): Allow immediate values that
1764 satisfy 'U' constraint.
1766 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1768 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1769 * configure: Regenerate.
1770 * config.in: Regenerate.
1771 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1774 2010-04-16 Richard Guenther <rguenther@suse.de>
1776 * tree.h (struct tree_decl_minimal): Move pt_uid ...
1777 (struct tree_decl_common): ... here.
1778 (DECL_PT_UID): Adjust.
1779 (SET_DECL_PT_UID): Likewise.
1780 (DECL_PT_UID_SET_P): Likewise.
1782 2010-04-16 Richard Guenther <rguenther@suse.de>
1784 PR tree-optimization/43572
1785 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1786 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1787 * tree-flow.h (is_call_clobbered): Remove.
1788 * tree-flow-inline.h (is_call_clobbered): Likewise.
1789 * tree-dfa.c (dump_variable): Do not dump call clobber state.
1790 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1791 (execute_return_slot_opt): Adjust.
1792 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1793 check for call clobbered vars here.
1794 (find_tail_calls): Move tailcall verification to the
1797 2010-04-16 Diego Novillo <dnovillo@google.com>
1799 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1801 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1804 * config/arm/arm.md (cbranchqi4): New pattern.
1805 * config/arm/predicates.md (const0_operand,
1806 cbranchqi4_comparison_operator): New predicates.
1808 2010-04-16 Richard Guenther <rguenther@suse.de>
1810 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1811 (dump_gimple_stmt): Likewise.
1813 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1815 * recog.h (struct recog_data): New field is_operator.
1816 (struct insn_operand_data): New field is_operator.
1817 * recog.c (extract_insn): Set recog_data.is_operator.
1818 * genoutput.c (output_operand_data): Emit code to set the
1820 * reload.c (find_reloads): Use it rather than testing for an
1821 empty constraint string.
1824 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1825 If the previous insn is a cbranchsi4_insn with the same arguments,
1826 omit the compare instruction.
1828 * config/arm/arm.md (addsi3_cbranch): If destination is a high
1829 register, inputs must be low registers and we need a low register
1830 scratch. Handle alternative 2 like alternative 3.
1832 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1834 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1835 don't call get_addr on both. If one expression is a VALUE and
1836 the other a REG, check VALUE's locs if the REG isn't among them.
1838 2010-04-16 Christian Bruel <christian.bruel@st.com>
1840 * config/sh/sh.h (sh_frame_pointer_required): New function.
1841 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1842 (flag_omit_frame_pointer) Set.
1843 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1844 (rounded_frame_size): Adjust size with outgoing_args_size.
1845 (sh_set_return_address): Must return from stack pointer.
1846 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1847 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1848 (ACCUMULATE_OUTGOING_ARGS): Define.
1849 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1850 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1852 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1855 * config/sh/sh.c (sh_legitimize_reload_address): Use
1856 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1857 Remove a unneeded check for offset_base.
1859 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
1861 * configure: Regenerated.
1863 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1865 * config/s390/s390.c (s390_call_save_register_used): Switch back
1866 to HARD_REGNO_NREGS.
1868 2010-04-15 Richard Guenther <rguenther@suse.de>
1870 * alias.c (alias_set_subset_of): Handle alias-set zero
1873 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
1874 Julian Brown <julian@codesourcery.com>
1876 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1877 alternatives according to use of high and low regs.
1878 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1879 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1880 optimizing for size on Thumb-2.
1882 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
1884 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1886 2010-04-15 Richard Guenther <rguenther@suse.de>
1888 * tree-ssa-structalias.c (struct variable_info): Add
1890 (new_var_info): Initialize it.
1891 (dump_constraints): Support printing last added constraints.
1892 (debug_constraints): Adjust.
1893 (dump_constraint_graph): Likewise.
1894 (make_heapvar_for): Check for NULL cfun.
1895 (get_function_part_constraint): New function.
1896 (get_fi_for_callee): Likewise.
1897 (find_func_aliases): Properly implement IPA PTA constraints.
1898 (process_ipa_clobber): New function.
1899 (find_func_clobbers): Likewise.
1900 (insert_into_field_list_sorted): Remove.
1901 (create_function_info_for): Properly allocate vars for IPA mode.
1902 Do not use insert_into_field_list_sorted.
1903 (create_variable_info_for): Properly generate constraints for
1904 global vars in IPA mode.
1905 (dump_solution_for_var): Always dump the solution.
1906 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1907 (find_what_var_points_to): Adjust.
1908 (pt_solution_set): Change.
1909 (pt_solution_ior_into): New function.
1910 (pt_solution_empty_p): Export.
1911 (pt_solution_includes_global): Adjust.
1912 (pt_solution_includes_1): Likewise.
1913 (pt_solutions_intersect_1): Likewise.
1914 (dump_sa_points_to_info): Check some invariants.
1915 (solve_constraints): Move constraint dumping ...
1916 (compute_points_to_sets): ... here.
1917 (ipa_pta_execute): ... and here.
1918 (compute_may_aliases): Do not re-compute points-to info
1919 locally if IPA info is available.
1920 (ipa_escaped_pt): New global var.
1921 (ipa_pta_execute): Properly implement IPA PTA.
1922 * tree-into-ssa.c (dump_decl_set): Support dumping
1923 decls not in referenced-vars.
1924 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1925 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1926 (dump_points_to_solution): Likewise.
1927 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1928 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1929 (remap_gimple_stmt): Reset call clobber/use information if necessary.
1930 (copy_decl_to_var): Copy DECL_PT_UID.
1931 (copy_result_decl_to_var): Likewise.
1932 * tree.c (make_node_stat): Initialize DECL_PT_UID.
1933 (copy_node_stat): Copy it.
1934 * tree.h (DECL_PT_UID): New macro.
1935 (SET_DECL_PT_UID): Likewise.
1936 (DECL_PT_UID_SET_P): Likewise.
1937 (struct tree_decl_minimal): Add pt_uid member.
1938 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1939 (pt_solution_empty_p): Declare.
1940 (pt_solution_set): Adjust.
1941 (ipa_escaped_pt): Declare.
1942 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1943 * gimple-pretty-print.c (pp_points_to_solution): New function.
1944 (dump_gimple_call): Dump call clobber/use information.
1945 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1946 * tree-pass.h (TDF_ALIAS): New dump option.
1947 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1948 * doc/invoke.texi (-fipa-pta): Update documentation.
1950 2010-04-15 Richard Guenther <rguenther@suse.de>
1952 * Makefile.in (OBJS-common): Add gimple-fold.o.
1953 (gimple-fold.o): New rule.
1954 * tree.h (maybe_fold_offset_to_reference,
1955 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1957 * gimple.h: ... here.
1958 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1959 may_propagate_address_into_dereference): Move prototypes ...
1960 * gimple.h: ... here.
1961 * tree-ssa-ccp.c (get_symbol_constant_value,
1962 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1963 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1964 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1965 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1966 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1967 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1968 gimplify_and_update_call_from_tree): Move ...
1969 * gimple-fold.c: ... here. New file.
1970 (ccp_fold_builtin): Rename to ...
1971 (gimple_fold_builtin): ... this.
1972 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1974 2010-04-15 Richard Guenther <rguenther@suse.de>
1976 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1977 fit_double_type, force_fit_type_double, add_double_with_sign,
1978 neg_double, mul_double_with_sign, lshift_double, rshift_double,
1979 lrotate_double, rrotate_double, div_and_round_double): Move ...
1980 * double-int.c: ... here.
1981 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1982 add_double, neg_double, mul_double_with_sign, mul_double,
1983 lshift_double, rshift_double, lrotate_double, rrotate_double,
1984 div_and_round_double): Move prototypes ...
1985 * double-int.h: ... here.
1987 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
1990 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
1991 matching constraints to ensure inputs match the output.
1993 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1996 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1997 in an input-only operand.
1999 2010-04-15 Anatoly Sokolov <aesok@post.ru>
2001 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2002 (double_int_not, double_int_lshift, double_int_rshift): Declare.
2003 (double_int_negative_p): Convert to static inline function.
2004 * double-int.c (double_int_lshift, double_int_lshift): New functions.
2005 (double_int_negative_p): Remove.
2006 * tree.h (lshift_double, rshift_double):
2007 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2008 * fold-const.c (fold_convert_const_int_from_real,
2009 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2010 (lshift_double): Change type of arith argument to bool.
2011 (rshift_double): Change type of arith argument to bool. Correct
2013 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2015 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
2018 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2019 at the start and end of the then/else blocks, and omit them from the
2021 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
2022 argument; all callers changed. Pass zero to old_insns_match_p instead.
2023 (flow_find_head_matching_sequence): New function.
2024 (old_insns_match_p): Check REG_EH_REGION notes for calls.
2025 * basic-block.h (flow_find_cross_jump,
2026 flow_find_head_matching_sequence): Declare functions.
2028 2010-04-14 Jason Merrill <jason@redhat.com>
2031 * c-common.c (attribute_takes_identifier_p): New fn.
2032 * c-common.h: Declare it.
2034 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2036 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2038 (*udivmod<mode>4): Ditto.
2040 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2042 * config/i386/i386.md (maxmin_int): Rename code attribute from
2043 maxminiprefix and update all users.
2044 (maxmin_float): Ditto from maxminfprefix.
2045 (logic): Ditto from logicprefix.
2046 (absneg_mnemonic): Ditto from absnegprefix.
2047 * config/i386/mmx.md: Update all users of maxminiprefix,
2048 maxminfprefix and logicprefix for rename.
2049 * config/i386/sse.md: Ditto.
2050 * config/i386/sync.md (sync_<code><mode>): Update for
2053 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
2056 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2057 warnings converted to errors.
2059 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2061 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2062 used insn_type variable.
2063 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2064 to avoid set-but-not-used warning.
2066 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2068 * df-core.c (df_ref_debug): Change format string placeholder
2070 * dwarf2asm.c (dw2_asm_output_data_raw,
2071 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2072 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2073 * dwarf2out.c (output_cfi, output_cfi_directive,
2074 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2075 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2077 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2078 * print-rtl.c (print_rtx): Ditto.
2080 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2083 * builtins.c (expand_builtin_pow_root): New function to expand pow
2084 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2085 series of sqrt and cbrt calls under -ffast-math.
2086 (expand_builtin_pow): Call it.
2088 2010-04-14 Michael Matz <matz@suse.de>
2090 PR tree-optimization/42963
2091 * tree-cfg.c (touched_switch_bbs): New static variable.
2092 (group_case_labels_stmt): New function broken out from ...
2093 (group_case_labels): ... here, use the above.
2094 (start_recording_case_labels): Allocate touched_switch_bbs.
2095 (end_recording_case_labels): Deallocate it, call
2096 group_case_labels_stmt.
2097 (gimple_redirect_edge_and_branch): Remember index of affected BB.
2099 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2101 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2104 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2106 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2108 2010-04-13 Jan Hubicka <jh@suse.cz>
2110 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2111 of optimized out static functions.
2112 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2113 cost computation. Also sanity check for overflows.
2114 (update_caller_keys): Update cgraph_edge_badness call; properly
2115 update fibheap and sanity check that it is up to date.
2116 (add_new_edges_to_heap): Update cgraph_edge_badness.
2117 (cgraph_decide_inlining_of_small_function): Likewise;
2118 add sanity checking that badness in heap is up to date;
2119 improve dumping of reason; Update badness of calls to the
2120 offline copy of function currently inlined; dump badness
2121 of functions not inlined because of unit growth limits.
2123 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2126 * c-common.c (pointer_int_sum): Disregard overflow that occured only
2127 because of sign-extension change when converting to sizetype here...
2128 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2130 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2131 the folding to constants. Remove redundant final conversion.
2132 (fold_binary) <associate>: Do not associate if the re-association of
2133 constants alone overflows.
2134 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2135 to the end of the list.
2136 (multiple_of_p) <COND_EXPR>: New case.
2138 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
2140 * opt-functions.awk (opt_sanitized_name): New.
2142 * optc-gen.awk: Use it
2143 * opth-gen.awk: Use it.
2145 2010-04-13 Martin Jambor <mjambor@suse.cz>
2147 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2148 (sra_modify_assign): Delete stmts loading dead data even if racc has no
2149 children. Call replace_uses_with_default_def_ssa_name to handle
2152 2010-04-13 Michael Matz <matz@suse.de>
2155 * builtins.c (expand_builtin_interclass_mathfn): Also create
2156 a register if the predicate doesn't match.
2158 2010-04-13 Diego Novillo <dnovillo@google.com>
2160 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2161 * c-pch.c: Include timevar.h.
2162 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2163 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2164 * ggc-common.c: Include timevar.h.
2165 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2166 * timevar.def (TV_PCH_SAVE): Define.
2167 (TV_PCH_CPP_SAVE): Define.
2168 (TV_PCH_PTR_REALLOC): Define.
2169 (TV_PCH_PTR_SORT): Define.
2170 (TV_PCH_RESTORE): Define.
2171 (TV_PCH_CPP_RESTORE): Define.
2173 2010-04-13 Michael Matz <matz@suse.de>
2175 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2177 (can_reassociate_p): New function.
2178 (break_up_subtract_bb, reassociate_bb): Use it.
2180 2010-04-13 Richard Guenther <rguenther@suse.de>
2183 * builtins.c (c_readstr): Fix assert.
2185 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
2187 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2188 when generating cltd insn.
2190 (*ashl<mode>3_1): Remove special handling for register operand 2.
2191 (*ashlsi3_1_zext): Ditto.
2192 (*ashlhi3_1): Ditto.
2193 (*ashlhi3_1_lea): Ditto.
2194 (*ashlqi3_1): Ditto.
2195 (*ashlqi3_1_lea): Ditto.
2196 (*<shiftrt_insn><mode>3_1): Ditto.
2197 (*<shiftrt_insn>si3_1_zext): Ditto.
2198 (*<shiftrt_insn>qi3_1_slp): Ditto.
2199 (*<rotate_insn><mode>3_1): Ditto.
2200 (*<rotate_insn>si3_1_zext): Ditto.
2201 (*<rotate_insn>qi3_1_slp): Ditto.
2203 2010-04-13 Richard Guenther <rguenther@suse.de>
2205 * tree-ssa-structalias.c (callused_id): Remove.
2206 (call_stmt_vars): New.
2207 (get_call_vi): Likewise.
2208 (lookup_call_use_vi): Likewise.
2209 (lookup_call_clobber_vi): Likewise.
2210 (get_call_use_vi): Likewise.
2211 (get_call_clobber_vi): Likewise.
2212 (make_transitive_closure_constraints): Likewise.
2213 (handle_const_call): Adjust to do per-call call-used handling.
2214 (handle_pure_call): Likewise.
2215 (find_what_var_points_to): Remove general callused handling.
2216 (init_base_vars): Likewise.
2217 (init_alias_vars): Initialize call_stmt_vars.
2218 (compute_points_to_sets): Process call-used and call-clobbered
2219 vars for call statements.
2220 (delete_points_to_sets): Free call_stmt_vars.
2222 2010-04-13 Richard Guenther <rguenther@suse.de>
2224 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2225 Only add RW dependence for dependence distance zero.
2226 Adjust maximal vectorization factor according to dependences.
2227 Move alignment handling ...
2228 (vect_find_same_alignment_drs): ... here. New function.
2229 (vect_analyze_data_ref_dependences): Adjust.
2230 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2231 (vect_analyze_data_refs): Adjust minimal vectorization factor
2232 according to data references.
2233 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2234 dependences before determining the vectorization factor.
2235 Analyze alignment after determining the vectorization factor.
2236 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2237 dependences before alignment.
2238 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2240 (vect_analyze_data_refs): Likewise.
2241 (MAX_VECTORIZATION_FACTOR): New define.
2243 2010-04-13 Duncan Sands <baldrick@free.fr>
2245 * except.h (lang_eh_type_covers): Remove.
2246 * except.c (lang_eh_type_covers): Likewise.
2248 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2249 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2251 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2252 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2253 UNITS_PER_LONG where it is ABI relevant.
2254 (s390_return_addr_rtx): Likewise.
2255 (s390_back_chain_rtx): Likewise.
2256 (s390_frame_area): Likewise.
2257 (s390_frame_info): Likewise.
2258 (s390_initial_elimination_offset): Likewise.
2259 (save_gprs): Likewise.
2260 (s390_emit_prologue): Likewise.
2261 (s390_emit_epilogue): Likewise.
2262 (s390_function_arg_advance): Likewise.
2263 (s390_function_arg): Likewise.
2264 (s390_va_start): Likewise.
2265 (s390_gimplify_va_arg): Likewise.
2266 (s390_function_profiler): Likewise.
2267 (s390_optimize_prologue): Likewise.
2268 (s390_rtx_costs): Likewise.
2269 (s390_secondary_reload): Likewise.
2270 (s390_promote_function_mode): Likewise.
2271 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2272 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2273 registers available.
2274 (s390_unwind_word_mode): New function.
2275 (s390_function_value): Split 64 bit values into register pair if
2276 used as return value.
2277 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2278 function call parameters. Handle parallels.
2279 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2280 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2281 (DWARF_CIE_DATA_ALIGNMENT): New macro.
2282 (s390_expand_setmem): Remove unused variable src_addr.
2283 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2284 deal with 64 bit registers.
2285 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2286 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2287 (UNITS_PER_LONG): New macro.
2288 * libjava/include/s390-signal.h: Define extended ucontext
2289 structure containing the upper halfs of the 64 bit registers.
2291 2010-04-13 Simon Baldwin <simonb@google.com>
2293 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2295 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2297 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2298 rvalue on the RHS if the LHS is of a non-renamable type.
2299 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2301 2010-04-13 Matthias Klose <doko@ubuntu.com>
2303 * gcc.c (cc1_options): Handle -iplugindir before processing
2304 the cc1 spec. Only add -iplugindir once.
2305 (cpp_unique_options): Add -iplugindir option if -fplugin* options
2307 * common.opt (iplugindir): Remove `Separate' property, initialize.
2308 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2310 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2311 (distclean): Remove plugin dir.
2312 * doc/invoke.texi: Document -iplugindir.
2314 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
2316 * doc/plugins.texi (Loading Plugins): Document short
2317 -fplugin=foo option.
2318 (Plugin API): Mention default_plugin_dir_name function.
2320 * gcc.c (find_file_spec_function): Add new declaration.
2321 (static_spec_func): Use it for "find-file".
2322 (find_file_spec_function): Add new function.
2323 (cc1_options): Add -iplugindir option if -fplugin* options found.
2325 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2327 * plugin.c (add_new_plugin): Updated comment, and handle short
2329 (default_plugin_dir_name): Added new function.
2331 * common.opt (iplugindir): New option to set the plugin directory.
2333 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
2335 * config/i386/i386.md (any_rotate): New code iterator.
2336 (rotate_insn): New code attribute.
2338 (SWIM124): New mode iterator.
2339 (<rotate_insn>ti3): New expander.
2340 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2341 any_rotate code iterator.
2342 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2343 using any_rotate code iterator and SWIM124 mode iterator.
2344 (ix86_rotlti3): New insn_and_split pattern.
2345 (ix86_rotrti3): Ditto.
2346 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2347 ix86_rotl{di,ti}3 patterns.
2348 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2349 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2350 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2351 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2352 code iterator and SWI mode iterator.
2353 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2354 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2356 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2357 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2358 (bswap rotatert splitter): Add splitter.
2359 (bswap splitter): Macroize splitter using any_rotate code iterator.
2360 Add insn predicate to split only for TARGET_USE_XCHGB or when
2361 optimizing function for size.
2363 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2365 * config/pa/pa.c (emit_move_sequence): Remove use of
2366 deleted variable flag_argument_noalias.
2368 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2370 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2372 Add to unsupported targets list.
2373 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2374 sparc*-sun-solaris2.[567]* from target lists.
2375 * configure: Regenerate.
2376 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2378 Remove Solaris 7 patch references.
2379 (Specific, sparc-sun-solaris2.7): Removed.
2380 (sparc-sun-solaris2*): Update Solaris 7 example.
2381 (sparc64-*-solaris2*): Likewise.
2383 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2385 * config.build (alpha*-dec-osf4*): Remove.
2386 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2387 of obsolete configurations.
2388 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2390 * config/alpha/t-osf4: Renamed to ...
2391 * config/alpha/t-osf5: ... this.
2392 * config/alpha/osf.h: Renamed to ...
2393 * config/alpha/osf5.h: ... this.
2394 Merged old osf5.h contents.
2396 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2397 (EXTRA_SPECS): Removed.
2398 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2399 reflect removal of Tru64 UNIX V4.0/V5.0 support.
2402 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2404 * doc/contrib.texi (Contributors, Rainer Orth): Update.
2406 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
2409 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2410 __thiscall convention.
2412 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2414 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2416 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2418 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2420 * function.c (assign_parms_initialize_all): Add unused attribute
2423 2010-04-12 Richard Guenther <rguenther@suse.de>
2425 * gsstruct.def (GSS_CALL): New.
2426 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2427 * gimple.h: Include tree-ssa-alias.h.
2428 (struct gimple_statement_call): New.
2429 (union gimple_statement_struct_d): Add gimple_call member.
2430 (gimple_call_reset_alias_info): Declare.
2431 (gimple_call_use_set): New function.
2432 (gimple_call_clobber_set): Likewise.
2433 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2434 * gimple.c (gimple_call_reset_alias_info): New function.
2435 (gimple_build_call_1): Call it.
2436 * lto-streamer-in.c (input_gimple_stmt): Likewise.
2437 * tree-inline.c (remap_gimple_stmt): Likewise.
2438 (expand_call_inline): Remove callused handling.
2439 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2440 * tree-dfa.c (dump_variable): Likewise.
2441 * tree-parloops.c (parallelize_loops): Likewise.
2442 * tree-ssa.c (init_tree_ssa): Likewise.
2443 (delete_tree_ssa): Likewise.
2444 * tree-flow-inline.h (is_call_used): Remove.
2445 * tree-flow.h (struct gimple_df): Remove callused member.
2446 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2447 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2448 (ref_maybe_used_by_call_p_1): Simplify.
2449 (call_may_clobber_ref_p_1): Likewise.
2450 * tree-ssa-structalias.c (compute_points_to_sets): Set
2451 the call stmt used and clobbered sets.
2452 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2453 (find_tail_calls): Verify the tail call.
2455 2010-04-12 Richard Guenther <rguenther@suse.de>
2457 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2458 single-iteration always-inline inlining.
2459 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2460 (cgraph_decide_inlining): Do not handle always-inline specially.
2461 (try_inline): Remove always-inline cycle detection special case.
2462 Do not recurse on always-inlines.
2463 (cgraph_early_inlining): Do not iterate if not optimizing.
2464 (cgraph_gate_early_inlining): remove.
2465 (pass_early_inline): Run unconditionally.
2466 (gate_cgraph_decide_inlining): New function.
2467 (pass_ipa_inline): Use it. Do not run the IPA inliner if
2468 not inlining or optimizing.
2469 (cgraph_decide_inlining_of_small_functions): Also consider
2470 always-inline functions.
2471 (cgraph_default_inline_p): Return true for nodes which should
2472 disregard inline limits.
2473 (estimate_function_body_sizes): Assume zero size and time for
2474 nodes which are marked as disregarding inline limits.
2475 (cgraph_decide_recursive_inlining): Do not perform recursive
2476 inlining on always-inline nodes.
2478 2010-04-12 Jakub Jelinek <jakub@redhat.com>
2481 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2482 for exprs satisfying handled_component_p.
2484 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
2486 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2487 non-constant aggregate elements.
2489 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2490 is a real initialization.
2492 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
2495 * c-decl.c (start_function): Move forward check for nested function.
2497 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
2499 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2500 * config/sh/sh.c: Include reload.h.
2501 (sh_legitimize_reload_address): New.
2502 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2503 sh_legitimize_reload_address.
2505 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2507 * config/sh/sh.md (*movqi_pop): New insn pattern.
2508 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2510 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2512 * config/i386/i386.md (any_shiftrt): New code iterator.
2513 (shiftrt_insn): New code attribute.
2515 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2516 using any_shiftrt code iterator.
2517 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2518 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2519 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2520 pattern from corresponding peephole2 patterns.
2521 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2522 using any_shiftrt code iterator.
2523 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2524 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2525 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2526 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2527 *{ashr,lshr}<mode>3_cmp_zext.
2528 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2530 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2532 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2534 (*lshr<mode>3_cconly): Ditto.
2536 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2538 * config/i386/i386.md (lshr<mode>3): Macroize expander from
2539 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2540 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2541 pattern from *lshr{di,ti}3_1 and corresponding splitters using
2543 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2544 from corresponding peephole2 patterns.
2545 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2546 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2547 and *lshrdi3_1_rex64 using SWI mode iterator.
2548 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2549 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2550 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2551 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2552 and *lshrdi3_cmp_rex64 using SWI mode iterator.
2553 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2554 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2555 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2556 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2559 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
2561 * config/i386/i386.md (ashr<mode>3): Macroize expander from
2562 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2563 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2564 pattern from *ashr{di,ti}3_1 and corresponding splitters using
2566 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2567 from corresponding peephole2 patterns.
2568 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2569 (ashrsi3_cvt): Rename from ashrsi3_31.
2570 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2571 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2572 and x86_64_shift_adj_3 using SWI48 mode iterator.
2573 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2574 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2575 and *ashrdi3_1_rex64 using SWI mode iterator.
2576 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2577 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2578 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2579 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2580 and *ashrdi3_cmp_rex64 using SWI mode iterator.
2581 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2582 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2583 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2584 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2586 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2587 * config/i386/i386.c (ix86_split_ashr): Update for renamed
2588 x86_shift<mode>_adj_3 expanders.
2590 2010-04-10 Wei Guozhi <carrot@google.com>
2593 * config/arm/arm.c (arm_pic_static_addr): New function.
2594 (legitimize_pic_address): Call arm_pic_static_addr when it detects
2596 (arm_output_addr_const_extra): Output expression for new pattern.
2597 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2599 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
2601 * ira-costs.c (record_reg_classes): Ignore alternatives that are
2604 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2605 * web.c: Include "insn-config.h" and "recog.h".
2606 (union_match_dups): New function.
2607 (web_main): Call it.
2608 (union_defs): Don't try to recognize match_dups.
2610 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2611 if doing so would replace the entire pattern.
2613 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2617 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2618 and splitter pattern. Change splitter operand 1 predicate to
2621 2010-04-09 Martin Jambor <mjambor@suse.cz>
2623 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2624 lattices are addresses of CONST_DECLs with the same initial value.
2625 (ipcp_print_all_lattices): Print values of CONST_DECLs.
2626 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2628 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
2629 Bernd Schmidt <bernds@codesourcery.com>
2631 * loop-invariant.c (replace_uses): New static function.
2632 (move_invariant_reg): Use it to ensure we can replace the uses.
2634 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
2636 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2638 (picochip_override_options): Enable section anchors only above -O1.
2639 (picochip_reorg): Fixed a couple of build warnings.
2641 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2643 * configure.ac (plugin -rdynamic test): Log result.
2644 * configure: Regenerate.
2645 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2646 (RDYNAMIC_SPEC): Define.
2647 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2649 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2651 * configure.ac: Determine Sun ld version numbers.
2652 (comdat_group): Restrict GNU ld version checks to gld.
2653 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2654 (enable_comdat): Support --enable-comdat.
2655 * configure: Regenerate.
2656 * doc/install.texi (Configuration): Document --enable-comdat.
2658 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2660 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
2661 * config/sol2-gld.h: ... here.
2662 * config.gcc (sparc*-*-solaris2*): Reflect this.
2663 (i[34567]86-*-solaris2*): Use it.
2665 2010-04-09 Steve Ellcey <sje@cup.hp.com>
2667 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2669 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2671 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2674 * diagnostic.c (diagnostic_initialize): Initialize
2675 some_warnings_are_errors.
2676 (diagnostic_finish): New.
2677 (diagnostic_action_after_output): Call it before exiting.
2678 (diagnostic_report_diagnostic): Do not print message here. Set
2679 some_warnings_are_errors.
2680 * diagnostic.h (diagnostic_context): Delete
2681 issue_warnings_are_errors_message. Add some_warnings_are_errors.
2682 (diagnostic_finish): Declare.
2683 * toplev.c (toplev_main): Call it before exit.
2685 2010-04-09 Jason Merrill <jason@redhat.com>
2688 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2689 for incomplete type.
2692 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2693 based on a warning flag.
2695 2010-04-09 Richard Guenther <rguenther@suse.de>
2697 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2699 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
2702 * varasm.c (default_assemble_visibility): Wrap vars that are
2703 set, but unused, by targets without GAS.
2704 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2705 Remove set, but unused, vars.
2706 (rs6000_legitimize_tls_address): Likewise.
2707 (altivec_expand_dst_builtin): Likewise.
2708 * config/darwin.c (machopic_classify_symbol): Likewise.
2709 (machopic_indirection_name): Likewise.
2711 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2713 * config/i386/i386.md (DWI): New mode iterator.
2714 (S): New mode attribute.
2715 (shift_operand): Ditto.
2716 (shift_immediate_operand): Ditto.
2717 (ashl_input_operand): Ditto.
2718 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2719 using SDWIM mode iterator.
2720 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
2721 pattern from *ashl{di,ti}3_1 and corresponding splitters using
2723 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2724 from corresponding peephole2 patterns.
2725 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2726 and x86_64_shift_adj_1 using SWI48 mode iterator.
2727 (x86_shift<mode>_adj_2): Ditto.
2728 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2729 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2730 using SWI48 mode iterator.
2731 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2732 *ashldi3_cmp_rex64 using SWI mode iterator.
2733 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2734 *ashldi3_cconly_rex64 using SWI mode iterator.
2735 * config/i386/i386.c (ix86_split_ashl): Update for renamed
2736 x86_shift<mode>_adj_{1,2}.
2737 (ix86_split_ashr): Ditto.
2738 (ix86_split_lshr): Ditto.
2740 2010-04-09 Richard Guenther <rguenther@suse.de>
2742 * target.h (builtin_conversion): Pass in input and output types.
2743 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2744 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2745 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2746 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2748 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2750 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2752 2010-04-09 Richard Guenther <rguenther@suse.de>
2755 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2757 2010-04-09 Richard Guenther <rguenther@suse.de>
2759 * tree-vectorizer.h (struct _stmt_vec_info): Document
2760 that vectype is the type of the LHS.
2761 (supportable_widening_operation, supportable_narrowing_operation):
2762 Get both input and output vector types as arguments.
2763 (vect_is_simple_use_1): Declare.
2764 (get_same_sized_vectype): Likewise.
2765 * tree-vect-loop.c (vect_determine_vectorization_factor):
2766 Set STMT_VINFO_VECTYPE to the vector type of the def.
2767 (vectorizable_reduction): Adjust.
2768 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2769 Adjust. Specify the output vector type.
2770 (vect_pattern_recog_1): Adjust.
2771 * tree-vect-stmts.c (get_same_sized_vectype): New function.
2772 (vectorizable_call): Adjust.
2773 (vectorizable_conversion): Likewise.
2774 (vectorizable_operation): Likewise.
2775 (vectorizable_type_demotion): Likewise.
2776 (vectorizable_type_promotion): Likewise.
2777 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2779 (vect_is_simple_use_1): New function.
2780 (supportable_widening_operation): Get both input and output
2782 (supportable_narrowing_operation): Likewise.
2783 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2785 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
2787 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2788 __thiscall and _thiscall as predefined macros.
2789 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2790 thiscall attribute handling.
2791 (ix86_comp_type_attributes): Likewise.
2792 (ix86_function_regparm): Likewise.
2793 (ix86_return_pops_args): Likewise.
2794 (init_cumulative_args): Likewise.
2795 (find_drap_reg): Likewise.
2796 (ix86_static_chain): Likewise.
2797 (x86_this_parameter): Likewise.
2798 (x86_output_mi_thunk): Likewise.
2799 (ix86_attribute_table): Add description for thiscall attribute.
2800 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2801 * doc/extend.texi: Add documentation for thiscall.
2803 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2806 * c.opt (Wint-to-pointer-cast): Available in C++.
2807 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2809 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
2811 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2812 * calls.c (expand_call): Pass the function type to aggregate_value_p.
2813 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2814 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
2815 function type instead. Reorder and simplify checks.
2817 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2819 2010-04-08 Jing Yu <jingyu@google.com>
2820 Zdenek Dvorak <ook@ucw.cz>
2822 PR tree-optimization/42720
2823 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2824 loop unswitch conditions here from ...
2825 (tree_unswitch_single_loop): ... here.
2827 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2829 * tree-if-conv.c: Fix comments and simplify logic.
2831 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2833 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2834 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
2835 (main_tree_if_conversion): Update call to tree_if_conversion.
2837 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
2840 * doc/invoke.texi (-b,-V): Delete.
2841 * doc/tm.texi: Do not mention -b.
2842 * gcc.c (display_help): Delete -b and -V.
2843 (process_command): Delete -b and -V.
2844 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2846 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
2847 Wolfgang Gellerich <gellerich@de.ibm.com>
2849 Implement target hook for loop unrolling
2850 * target.h (loop_unroll_adjust): Add a new target hook function.
2851 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2852 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2853 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2854 (s390_loop_unroll_adjust): Implement the new target hook for s390.
2855 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2857 (decide_unroll_stupid): Likewise.
2859 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2862 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2864 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2866 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2867 (Specific, *-*-solaris2*): Likewise.
2868 Don't prefer Sun as over GNU as.
2870 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
2872 * config/s390/s390.c (override_options): Adjust the z10
2873 defaults for max-unroll-times, max-completely-peeled-insns
2874 and max-completely-peel-times.
2876 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2878 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2879 instructions for z10.
2880 (s390_expand_setmem): Likewise.
2881 (s390_expand_cmpmem): Likewise.
2883 2010-04-08 Richard Guenther <rguenther@suse.de>
2885 PR tree-optimization/43679
2886 * tree-ssa-pre.c (eliminate): Only propagate copies.
2888 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2891 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2892 set but not used variable warning.
2894 2010-04-08 Wei Guozhi <carrot@google.com>
2897 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2898 (arm_size_rtx_costs): Call the new function when optimized for size.
2900 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2903 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2904 op0 is not a MEM, just return NULL instead of assertion
2906 (discover_nonconstant_array_refs): Don't walk debug stmts.
2908 2010-04-08 Doug Kwan <dougkwan@google.com>
2910 * configure.ac: Recognize gold and do not use its version number
2911 to test ld features.
2912 * configure: Regenerate.
2914 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
2917 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2918 (negate_value): Move code to push elements to broken_up_substracts ...
2919 (eliminate_plus_minus_pair): ... here. Push operands that have no
2920 negative pair to plus_negates.
2921 (repropagate_negates, init_reassoc, fini_reassoc): Update.
2923 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2925 * doc/install.texi (Configuration): Move description of
2926 --enable-lto, --with-libelf*, --enable-gold from Java section to
2929 * doc/generic.texi (Working with declarations)
2930 (Function Properties, C and C++ Trees): Fix typos.
2931 * doc/sourcebuild.texi (Top Level): Likewise.
2933 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2936 * tree.h (DECL_READ_P): Define.
2937 (struct tree_decl_common): Add decl_read_flag.
2938 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2939 a set but not used warning.
2940 (merge_decls): Merge DECL_READ_P flag.
2941 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2942 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2943 * c-common.c (handle_used_attribute, handle_unused_attribute):
2945 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2947 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2949 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2950 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2951 c_parser_binary_expression, c_parser_cast_expression,
2952 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2953 Call default_function_array_read_conversion instead of
2954 default_function_array_conversion where needed.
2955 (c_parser_unary_expression, c_parser_conditional_expression,
2956 c_parser_postfix_expression_after_primary, c_parser_initelt):
2957 Likewise. Call mark_exp_read where needed.
2958 (c_parser_statement_after_labels, c_parser_asm_operands,
2959 c_parser_typeof_specifier, c_parser_sizeof_expression,
2960 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2962 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2964 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2965 (warn_unused_but_set_parameter): Default to warn_unused
2967 * doc/invoke.texi: Document -Wunused-but-set-variable and
2968 -Wunused-but-set-parameter.
2970 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2971 used count variable.
2972 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2973 when operandN variables aren't used in the body of the expander
2975 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2976 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2977 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2978 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2979 FOR_EACH_IMM_USE_ON_STMT): Likewise.
2980 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2981 * tree.c (PROCESS_ARG): Likewise.
2983 2010-04-07 Simon Baldwin <simonb@google.com>
2985 * diagnostic.h (diagnostic_override_option_index): New macro to
2986 set a diagnostic's option_index.
2987 * c-tree.h (c_cpp_error): Add warning reason argument.
2988 * opts.c (_warning_as_error_callback): New.
2989 (register_warning_as_error_callback): Store callback for
2990 warnings enabled via enable_warning_as_error.
2991 (enable_warning_as_error): Call callback, minor code tidy.
2992 * opts.h (register_warning_as_error_callback): Declare.
2993 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2994 response to -Werror=.
2995 (c_common_init_options): Register warning_as_error_callback in opts.c.
2996 * common.opt: Add -Wno-cpp option.
2997 * c-common.c (struct reason_option_codes_t): Map cpp warning
2998 reason codes to gcc option indexes.
2999 * (c_option_controlling_cpp_error): New function, lookup the gcc
3000 option index for a cpp warning reason code.
3001 * (c_cpp_error): Add warning reason argument, call
3002 c_option_controlling_cpp_error for diagnostic_override_option_index.
3003 * doc/invoke.texi: Document -Wno-cpp.
3005 2010-04-07 Richard Guenther <rguenther@suse.de>
3007 * ipa-reference.c (mark_load): Use get_base_address.
3008 (mark_store): Likewise.
3010 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3011 inserting GIMPLE_NOPs into the IL.
3012 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3013 Explicitly strip handled components and indirect references.
3015 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3016 folding address expressions.
3017 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3018 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3019 operand_equal_p to compare decls.
3020 (ptr_deref_may_alias_decl_p): Likewise.
3021 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3022 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3023 Handle reversed comparison ops.
3024 * tree-sra.c (asm_visit_addr): Use get_base_address.
3025 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3026 * ipa-reference.c (mark_address): Use get_base_address.
3028 2010-04-07 Richard Guenther <rguenther@suse.de>
3030 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3031 Propagate constants everywhere.
3033 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3036 * tree.c (MAX_INT_CACHED_PREC): Define.
3037 (nonstandard_integer_type_cache): New array.
3038 (build_nonstandard_integer_type): Cache results for precision
3039 <= MAX_INT_CACHED_PREC.
3041 2010-04-07 Richard Guenther <rguenther@suse.de>
3043 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3044 -fargument-noalias-global, -fargument-noalias-anything): Remove.
3045 * common.opt: Likewise.
3046 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3047 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3048 (nonoverlapping_memrefs_p): Likewise.
3049 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3050 * opts.c (common_handle_option): Handle OPT_fargument_alias,
3051 OPT_fargument_noalias, OPT_fargument_noalias_anything and
3052 OPT_fargument_noalias_global for backward compatibility.
3054 2010-04-07 Richard Guenther <rguenther@suse.de>
3056 PR tree-optimization/43270
3057 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3058 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3059 * tree-ssa-pre.c (phi_translate_1): Adjust.
3060 (fully_constant_expression): Split out vn_reference handling to ...
3061 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3062 Fold reads from constant strings.
3063 (vn_reference_lookup): Handle fully constant references.
3064 (vn_reference_lookup_pieces): Likewise.
3065 * Makefile.in (expmed.o-warn): Add -Wno-error.
3067 2010-04-07 Martin Jambor <mjambor@suse.cz>
3069 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3071 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
3074 * gcc.c: Add -static-libstdc++ to list of recognized options.
3076 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3078 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3080 2010-04-07 Richard Guenther <rguenther@suse.de>
3083 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3084 bases build simple mem attributes to retain points-to information.
3086 2010-04-07 Richard Guenther <rguenther@suse.de>
3089 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3090 preserve points-to related information.
3092 2010-04-07 Richard Guenther <rguenther@suse.de>
3095 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3096 discard plain indirect references.
3097 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3098 * tree.c (tree_nop_conversion): Likewise.
3100 2010-04-07 Dodji Seketeli <dodji@redhat.com>
3103 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3105 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
3107 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3108 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3110 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3112 * tree-if-conv.c: Fix indentation and comments.
3114 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3116 * tree-if-conv.c: Sort static functions in topological order.
3118 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3120 * tree-if-conv.c: Fix indentation and comments.
3122 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3125 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3126 lang_hooks.types.type_for_size instead of
3127 build_nonstandard_integer_type.
3128 When converting an unsigned type to signed, double its precision.
3129 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3130 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3131 (graphite_create_new_loop_guard): When ub + 1 wraps around,
3134 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3137 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3138 POINTER_PLUS_EXPR for pointer types.
3140 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3143 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3144 * graphite-clast-to-gimple.c: Include langhooks.h.
3145 (max_signed_precision_type): New.
3146 (max_precision_type): Takes two types as arguments.
3147 (precision_for_value): New.
3148 (precision_for_interval): New.
3149 (gcc_type_for_interval): New.
3150 (gcc_type_for_value): New.
3151 (gcc_type_for_clast_term): New.
3152 (gcc_type_for_clast_red): New.
3153 (gcc_type_for_clast_bin): New.
3154 (gcc_type_for_clast_expr): Split up into several functions.
3155 (gcc_type_for_clast_eq): Rewritten.
3156 (compute_bounds_for_level): New.
3157 (compute_type_for_level_1): New.
3158 (compute_type_for_level): New.
3159 (gcc_type_for_cloog_iv): Removed.
3160 (gcc_type_for_iv_of_clast_loop): Rewritten.
3161 (graphite_create_new_loop): Compute the lower and upper bound types
3162 with gcc_type_for_clast_expr.
3163 (graphite_create_new_loop_guard): Same.
3164 (find_cloog_iv_in_expr): Removed.
3165 (compute_cloog_iv_types_1): Removed.
3166 (compute_cloog_iv_types): Removed.
3167 (gloog): Do not call compute_cloog_iv_types.
3168 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3170 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3171 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3172 (GBB_CLOOG_IV_TYPES): Removed.
3174 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3176 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3177 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3178 (detect_commutative_reduction): Same.
3180 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3182 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3183 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
3185 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3186 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3187 (rewrite_commutative_reductions_out_of_ssa): Same.
3188 * passes.c (execute_function_todo): Call verify_ssa for every pass
3189 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
3190 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3191 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3192 with an extra argument.
3193 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
3194 verify_ssa only when the extra argument is true.
3195 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3196 with an extra argument.
3197 (tree_transform_and_unroll_loop): Same.
3199 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3201 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3202 for all the passes of the LNO having LOOP_CLOSED_SSA.
3203 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3204 * tree-loop-distribution.c (pass_loop_distribution): Same.
3205 * tree-pass.h (TODO_verify_loops): Removed.
3206 * tree-ssa-loop.c (pass_tree_loop_init): Same.
3208 (pass_tree_unswitch): Same.
3209 (pass_predcom): Same.
3210 (pass_vectorize): Same.
3211 (pass_linear_transform): Same.
3212 (pass_graphite_transforms): Same.
3213 (pass_iv_canon): Same.
3214 (pass_complete_unroll): Same.
3215 (pass_complete_unrolli): Same.
3216 (pass_parallelize_loops): Same.
3217 (pass_loop_prefetch): Same.
3218 (pass_iv_optimize): Same.
3220 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
3223 * passes.c (init_optimization_passes): Move pass_lim before
3224 pass_copy_prop and pass_dce_loop.
3226 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3229 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3230 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3231 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3232 MULTI_* defines for 4 argument vpermil2p* builtins.
3234 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3236 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3237 * config/i386/i386.c (x86_maybe_negate_const_int): New.
3238 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3239 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3240 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3241 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3242 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3243 Use x86_maybe_negate_const_int to output insn mnemonic.
3244 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
3245 check from instruction predicate. Update comments.
3246 * config/i386/sync.md (sync_add<mode>): Use
3247 x86_maybe_negate_const_int to output insn mnemonic.
3249 2010-04-06 Jan Hubicka <jh@suse.cz>
3251 PR tree-optimization/42906
3252 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3253 IGNORE_SELF argument. Set visited_control_parents for fully
3255 (find_obviously_necessary_stmts): Update call of
3256 mark_control_dependent_edges_necessary.
3257 (propagate_necessity): Likewise. Handle PHI edges more curefully.
3259 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3261 * config/i386/i386.md: Remove comment about 'e' and 'E'
3264 2010-04-06 Richard Guenther <rguenther@suse.de>
3266 PR tree-optimization/43627
3267 * tree-vrp.c (extract_range_from_unary_expr): Widenings
3268 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3271 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3273 * BASE-VER: Change to 4.6.0.
3276 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3279 2010-04-06 Richard Guenther <rguenther@suse.de>
3282 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3284 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3286 * doc/invoke.texi (Optimize Options): Document that LTO
3287 won't remove object access purely due to incompatible
3290 2010-04-04 Matthias Klose <doko@ubuntu.com>
3292 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3293 Initialize variable.
3295 2010-04-03 Richard Guenther <rguenther@suse.de>
3298 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3299 require a non-NULL MEM_OFFSET.
3301 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
3303 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3304 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3305 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3306 config/alpha/predicates.md, config/arm/arm.md,
3307 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3308 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3309 config/darwin9.h, config/darwin.c, config/darwin.h,
3310 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3311 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3312 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3313 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3314 config/mips/mips.md, config/mn10300/mn10300.c,
3315 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3316 config/rs6000/aix.h, config/rs6000/dfp.md,
3317 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3318 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3319 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3320 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3321 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3322 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3323 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3324 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3325 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3326 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3327 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3328 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3329 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3330 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3331 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3332 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3333 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3334 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3335 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3336 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3337 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3338 opt-functions.awk, opth-gen.awk, params.def, passes.c,
3339 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3340 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3341 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3342 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3343 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3344 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3345 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3346 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3347 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3348 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3349 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3350 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3351 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3352 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3354 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3357 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3358 * aclocal.m4: Regenerate.
3360 2010-04-02 Richard Guenther <rguenther@suse.de>
3362 PR tree-optimization/43629
3363 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3364 if we have seen a constant value.
3366 2010-04-02 Joseph Myers <joseph@codesourcery.com>
3368 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3370 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
3373 * arm.c (legitimize_tls_address): Adjust call to
3374 gen_tls_load_dot_plus_four.
3375 (arm_note_pic_base): New function.
3376 (arm_cannot_copy_insn_p): Use it.
3377 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3380 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3385 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3387 * Makefile.in ($(out_object_file)): Depend on
3388 gt-$(basename $(notdir $(out_file))).h.
3390 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
3392 * config.gcc (lm32-*-rtems*): Add t-lm32.
3394 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
3396 * config.gcc: Add lm32-*-rtems*.
3397 * config/lm32/rtems.h: New file.
3399 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
3402 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3404 2010-04-01 Jakub Jelinek <jakub@redhat.com>
3406 * dwarf2out.c (output_compilation_unit_header): For
3407 -gdwarf-4 use version 4 instead of version 3.
3408 (output_line_info): For version 4 and above emit additional
3409 maximum ops per insn header field.
3410 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3412 * dwarf2out.c (is_c_family, is_java): Remove.
3413 (lower_bound_default): New function.
3414 (add_bound_info, gen_descr_array_type_die): Use it.
3416 2010-04-01 Dodji Seketeli <dodji@redhat.com>
3419 * dwarf2out.c (gen_variable_die): Allow debug info for variable
3420 re-declaration when it happens in a function.
3422 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
3424 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3425 (cgraph_remove_function_insertion_hook): Same.
3426 (cgraph_call_function_insertion_hooks): Same.
3428 2010-04-01 Richard Guenther <rguenther@suse.de>
3431 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3432 and TREE_THIS_VOLATILE.
3433 (copy_ref_info): Likewise.
3434 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3435 * tree.c (build6_stat): Ignore side-effects of all but arg5
3436 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
3439 2010-04-01 Richard Guenther <rguenther@suse.de>
3441 PR tree-optimization/43607
3442 * ipa-type-escape.c (check_call): Do not access non-existing
3445 2010-04-01 Richard Guenther <rguenther@suse.de>
3449 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3450 Jack Howarth <howarth@bromo.med.uc.edu>
3452 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3455 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3457 * doc/install.texi (Prerequisites): Document libelf usability on
3458 IRIX 5/6 and Solaris 2.
3459 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3460 Update GNU as, GNU ld requirements.
3461 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3462 Document Sun Studio compiler download.
3463 Update and simplify as, ld recommendations.
3464 (Specific, *-*-solaris2.7): Note obsoletion, removal.
3466 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3468 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3469 with_tune_32 to pentium4.
3471 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
3473 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3475 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3477 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3478 obsoletion, removal.
3480 Document GNU as requirement.
3481 Update configure requirements.
3482 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3483 Recomment IRIX 6.5.18+.
3484 Document IDF/IDL requirement.
3485 Document GNU as requirement.
3486 Document GNU ld bootstrap failure.
3487 Remove freeware.sgi.com reference.
3489 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3491 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3492 UNIX V4.0, V5.0 obsoletion, removal.
3493 Remove --with-gc=simple reference.
3494 Update VM requirements during bootstrap.
3495 Remove -oldas bootstrap description.
3496 Update binutils reference.
3497 Remove comparison failure note.
3499 2010-03-31 Richard Guenther <rguenther@suse.de>
3500 Zdenek Dvorak <ook@ucw.cz>
3501 Sebastian Pop <sebastian.pop@amd.com>
3504 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3505 with multiple arguments.
3506 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3508 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3510 * graphite-dependences.c (print_pddr): Call print_pdr with an
3512 * graphite-poly.c (debug_pdr): Add an extra argument for the
3515 (print_pbb_domain): Same.
3517 (print_scop_context): Same.
3519 (print_cloog): Same.
3520 (debug_pbb_domain): Same.
3524 (debug_scop_context): Same.
3526 (debug_cloog): Same.
3527 (print_scop_params): Same.
3528 (debug_scop_params): Same.
3529 (print_iteration_domain): Same.
3530 (print_iteration_domains): Same.
3531 (debug_iteration_domain): Same.
3532 (debug_iteration_domains): Same.
3533 (print_scattering_function): Same.
3534 (print_scattering_functions): Same.
3535 (debug_scattering_function): Same.
3536 (debug_scattering_functions): Same.
3537 * graphite-poly.h (debug_pdr): Update declaration.
3539 (print_pbb_domain): Same.
3541 (print_scop_context): Same.
3543 (print_cloog): Same.
3544 (debug_pbb_domain): Same.
3548 (debug_scop_context): Same.
3550 (debug_cloog): Same.
3551 (print_scop_params): Same.
3552 (debug_scop_params): Same.
3553 (print_iteration_domain): Same.
3554 (print_iteration_domains): Same.
3555 (debug_iteration_domain): Same.
3556 (debug_iteration_domains): Same.
3557 (print_scattering_function): Same.
3558 (print_scattering_functions): Same.
3559 (debug_scattering_function): Same.
3560 (debug_scattering_functions): Same.
3562 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3564 * graphite-poly.c (print_scattering_function_1): New.
3565 (print_scattering_function): Call it.
3566 (print_scop_params): Remove spaces at the end of lines.
3569 * graphite-poly.h (print_cloog): Declared.
3570 (debug_cloog): Declared.
3572 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3574 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3576 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3577 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3578 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3579 to switch between adding the IV bump in loop->latch or in loop->header.
3581 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
3583 * graphite-poly.c (print_scattering_function): Pretty print following
3586 (print_pbb_domain): Same.
3587 (dump_gbb_cases): Same.
3588 (dump_gbb_conditions): Same.
3591 (print_scop_params): Same.
3592 (print_scop_context): Same.
3594 (print_pbb_body): New.
3595 (lst_indent_to): New.
3596 (print_lst): Start new lines with a #.
3597 * graphite-poly.h (pbb_bb): New.
3598 (pbb_index): Use pbb_bb.
3599 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3601 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3603 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3605 * dwarf2out.c (size_of_die): For -gdwarf-4 use
3606 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3607 and 0 instead of 1 for dw_val_class_flag.
3608 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3609 dw_val_class_range_list, dw_val_class_loc_list,
3610 dw_val_class_lineptr and dw_val_class_macptr, use
3611 DW_FORM_flag_present for dw_val_class_flag and
3612 DW_FORM_exprloc for dw_val_class_loc.
3613 (output_die): For -gdwarf-4 print dw_val_class_loc
3614 size as uleb128 instead of 1 or 2 bytes and don't print
3615 anything for dw_val_class_flag.
3617 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3618 instead of cselib_lookup following by tweaking locs->setting_insn.
3621 * cselib.c (cselib_process_insn): Clear cselib_current_insn
3622 even before returning from label, setjmp call or volatile asm
3625 2010-03-31 Richard Guenther <rguenther@suse.de>
3628 * cgraphunit.c (cgraph_output_in_order): Do not allocate
3629 temporary data on stack.
3631 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3633 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3634 (PUSHSECTION_ASM_OP): Remove.
3635 (POPSECTION_ASM_OP): Remove.
3636 (PUSHSECTION_FORMAT): Remove.
3637 * config/sol2.h (PUSHSECTION_FORMAT): Define.
3638 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3639 * config/sol2.c (solaris_output_init_fini): Use it.
3641 2010-03-31 Jie Zhang <jie@codesourcery.com>
3644 * opt-functions.awk (var_type_struct): Use signed char type
3645 for simple variables.
3647 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3649 * config/sol2.c: Include output.h.
3650 (solaris_assemble_visibility): New function.
3651 * config/t-sol2 (sol2.o): Add output.h dependency.
3652 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3653 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3656 2010-03-31 Jakub Jelinek <jakub@redhat.com>
3659 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3660 V2SImode or XFmode on PRE_DEC.
3663 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3666 2010-03-31 Jie Zhang <jie@codesourcery.com>
3669 * reload.h (caller_save_initialized_p): Declare.
3670 * toplev.c (backend_init_target): Don't call
3671 init_caller_save but set caller_save_initialized_p to false.
3672 * caller-save.c (caller_save_initialized_p): Define.
3673 (init_caller_save): Check caller_save_initialized_p.
3674 * ira.c (ira): Call init_caller_save if flag_caller_saves.
3676 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3679 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3680 and soft-fp/t-softfp to tmake_file.
3681 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3682 (LIBGCC2_TF_CEXT): Define.
3685 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
3688 * cselib.c (n_useless_values): Document handling of debug locs.
3689 (n_useless_debug_values, n_debug_values): New variables.
3690 (new_elt_loc_list): Don't add to debug values, keep count.
3691 (promote_debug_loc): New.
3692 (cselib_reset_table): Zero new variables.
3693 (entry_and_rtx_equal_p): Promote debug locs.
3694 (discard_useless_locs): Increment n_useless_debug_values for
3696 (remove_useless_values): Adjust n_useless_values and n_debug_values
3697 with n_useless_debug_values.
3698 (add_mem_for_addr): Promote debug locs.
3699 (cselib_lookup_mem): Likewise.
3700 (cselib_lookup_addr): Renamed to...
3701 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
3702 (cselib_log_lookup): ... this. Turn into...
3703 (cselib_lookup_addr): ... new wrapper.
3704 (cselib_lookup_from_insn): New.
3705 (cselib_invalidate_regno): Increment n_useless_debug_values for
3707 (cselib_invalidate_mem): Likewise.
3708 (cselib_process_insn): Take n_deleted and n_debug_values into
3709 account to guard remove_useless_value call.
3710 (cselib_finish): Zero n_useless_debug_values.
3711 * cselib.h (cselib_lookup_from_insn): Declare.
3712 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3713 (sched_analyze_2): Likewise.
3715 2010-03-30 Jakub Jelinek <jakub@redhat.com>
3717 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3719 (adjust_mems): Replace narrowing SUBREG of expression containing
3720 just PLUS, MINUS, MULT and ASHIFT of registers and constants
3721 with operations in the narrower mode.
3724 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3725 regs_invalidated_by_call instead all call_used_reg_set registers.
3727 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
3730 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3731 pointer comparisons with types_compatible_p.
3732 * tree-vect-stmts.c (vectorizable_call): Same.
3733 (vectorizable_condition): Same.
3735 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3737 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3738 stack check if the mask would be zero.
3740 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3741 Jack Howarth <howarth@bromo.med.uc.edu>
3743 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3746 2010-03-30 Joseph Myers <joseph@codesourcery.com>
3749 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
3751 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3752 Include ___unordxf2 and ___unordtf2.
3753 * config/i386/libgcc-glibc.ver: Do not define inheritance from
3756 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
3758 * config/lm32/t-lm32: New file.
3759 * config.gcc: Use the above file when targetting lm32.
3761 2010-03-28 Duncan Sands <baldrick@free.fr>
3763 * Makefile.in (PLUGIN_HEADERS): Add except.h.
3765 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3768 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3769 Improve vectorization cost model diagnostic.
3771 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3774 * tree-vect-data-refs.c (vect_analyze_data_refs): When
3775 compute_data_dependences_for_loop returns false, early exit
3776 and output an extra diagnostic for the failed data reference
3779 2010-03-29 Richard Guenther <rguenther@suse.de>
3781 PR tree-optimization/43560
3782 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3783 (can_sm_ref_p): Treat stores to readonly locations as trapping.
3785 2010-03-29 Jie Zhang <jie@codesourcery.com>
3788 * toplev.c (process_options): Set optimization_default_node
3789 and optimization_current_node.
3790 * opts.c (decode_options): Don't set optimization_default_node
3791 and optimization_current_node.
3793 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
3795 * config/rtems.h: Abandon -qrtems_debug.
3797 2010-03-28 Jan Hubicka <jh@suse.cz>
3799 PR tree-optimization/43505
3800 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3801 map should not be copied.
3803 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3806 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3807 cdtors, set DECL_PRESERVE_P.
3808 * ipa.c (cgraph_externally_visible_p): Return true if declaration
3811 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
3813 PR tree-optimization/43528
3814 * stor-layout.c (place_field): Check that constant fits into
3815 unsigned HWI when skipping calculation of MS bitfield layout.
3817 2010-03-27 Jan Hubicka <jh@suse.cz>
3820 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3821 notice_global_symbol work.
3823 2010-03-27 Jakub Jelinek <jakub@redhat.com>
3825 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3826 instead of dwarf2out_decl.
3827 (struct var_loc_node): Remove section_label field.
3828 (dwarf2out_function_decl): New function.
3829 (dwarf2out_var_location): Don't set section_label field.
3830 (dwarf2out_begin_function): Don't empty decl_loc_table here.
3832 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
3834 PR tree-optimization/43544
3835 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3836 First argument for builtin vectorized function hook is now a
3837 tree to be able to distinguish between machine specific and
3839 * targhooks.c (default_builtin_vectorized_function): Ditto.
3840 * targhooks.h (default_builtin_vectorized_function): Ditto.
3841 * target.h (struct gcc_target): Ditto.
3842 * tree-vect-stmts.c (vectorizable_function): Ditto.
3843 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3844 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3847 2010-03-26 Joseph Myers <joseph@codesourcery.com>
3850 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3851 nested binding iff it is a FUNCTION_DECL.
3852 (store_parm_decls_newstyle): Pass nested=true to bind for
3853 FUNCTION_DECLs amongst parameters.
3855 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3857 * var-tracking.c (vt_expand_loc_callback): Don't run
3858 cselib_expand_value_rtx_cb in dummy mode if
3859 cselib_dummy_expand_value_rtx_cb returned false.
3861 * var-tracking.c (emit_note_insn_var_location): For one part
3862 notes with offset 0, don't add EXPR_LIST around the location.
3863 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3864 add_location_or_const_value_attribute): Adjust for that change.
3867 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3868 into first operand and location into second.
3869 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3870 dw_cfi_oprnd_loc for DW_CFA_expression.
3871 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3872 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3873 assume first argument is regnum and second argument is location.
3875 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3878 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3879 of scratch register to DImode. Split to DImode comparison operator.
3880 Use SImode subreg of scratch register in the multiplication.
3881 (*cmp_sadd_sidi): Ditto.
3882 (*cmp_ssub_si): Ditto.
3883 (*cmp_ssub_sidi): Ditto.
3885 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3888 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3889 Remove invalid assert and wrong comment.
3891 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3894 * flags.h (final_insns_dump_p): New extern.
3895 * final.c (final_insns_dump_p): New variable.
3896 (rest_of_clean_state): Set it before -fdump-final-insns=
3897 dumping, clear afterwards.
3898 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3899 MEM_ALIAS_SET on MEMs.
3901 2010-03-26 David S. Miller <davem@davemloft.net>
3903 * configure.ac: Fix sparc GOTDATA_OP bug check.
3904 * configure: Rebuild.
3906 2010-03-26 Alan Modra <amodra@gmail.com>
3908 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3910 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3912 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3913 TLS_SECTION_ASM_FLAG.
3915 2010-03-25 Jakub Jelinek <jakub@redhat.com>
3918 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3919 Clear first_function_block_is_cold.
3922 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3923 argument if the argument is truth_value_p.
3925 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
3927 * config/rs6000/constraints.md: Update copyright year for my changes.
3930 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3931 used in reg+reg addressing, swap registers.
3933 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3936 * target.h (struct gcc_target): Add code_end hook.
3937 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3939 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3940 * toplev.c (compile_file): Call targetm.asm_out.code_end
3941 hook before unwind info/debug info output.
3942 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3943 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3944 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3945 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3946 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3947 * config/i386/i386.c (ix86_file_end): Renamed to...
3948 (ix86_code_end): ... this. Make static. Don't call
3949 file_end_indicate_exec_stack. Emit unwind info using
3950 final_start_function/final_end_function.
3951 (darwin_x86_file_end): Remove.
3952 (TARGET_ASM_CODE_END): Define.
3953 * config/i386/i386.h (TARGET_ASM_FILE_END,
3954 NEED_INDICATE_EXEC_STACK): Don't define.
3955 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3956 (TARGET_ASM_FILE_END): Define to darwin_file_end.
3957 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3958 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3961 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3962 at the beginning and final_end_function at the end.
3963 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3965 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3967 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3968 and Sun as TLS syntax.
3969 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3970 * configure: Regenerate.
3971 * config.in: Regenerate.
3972 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3973 (default_elf_asm_named_section): Use it.
3974 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3975 (i386_output_dwarf_dtprel): Likewise.
3976 (output_addr_const_extra): Likewise.
3977 (output_pic_addr_const): Lowercase @GOTTPOFF.
3978 (output_addr_const_extra): Likewise.
3979 (output_pic_addr_const): Lowercase @GOTNTPOFF.
3980 (output_addr_const_extra): Likewise.
3981 (output_pic_addr_const): Lowercase @INDNTPOFF.
3982 (output_addr_const_extra): Likewise.
3983 (output_pic_addr_const): Lowercase @NTPOFF.
3984 (output_addr_const_extra): Likewise.
3985 (output_pic_addr_const): Lowercase @TPOFF.
3986 (output_addr_const_extra): Likewise.
3987 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3988 (*tls_global_dynamic_64): Likewise.
3989 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3990 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3992 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3993 (ASM_OUTPUT_TLS_COMMON): Use it.
3994 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3997 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3998 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3999 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
4000 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
4001 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4002 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
4004 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4006 * config/i386/i386.c (override_options): Don't accept
4007 -mtls-dialect=sun any longer.
4008 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
4009 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
4010 (*tls_local_dynamic_base_32_sun): Likewise.
4011 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4013 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4016 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
4017 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
4020 * ira.c (adjust_cleared_regs): New function.
4021 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
4025 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
4027 * expr.c (expand_expr_real): Restore previous
4028 curr_insn_source_location and curr_insn_block after
4029 expand_expr_real_1 call.
4030 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
4031 instead of expand_expr_real_1.
4033 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
4035 PR rtl-optimization/43413
4036 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
4039 2010-03-22 James E. Wilson <wilson@codesourcery.com>
4042 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
4043 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
4045 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
4047 * config/i386/i386.c (ix86_target_string): Add -mfma.
4048 Fix a typo in comment.
4050 2010-03-22 Mike Stump <mikestump@comcast.net>
4053 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4054 Don't overly align based upon packed packed fields.
4056 2010-03-22 Jason Merrill <jason@redhat.com>
4058 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
4059 Use () rather than [], and move before the element type.
4061 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4063 * doc/configfiles.texi (Configuration Files): Removed
4064 fixinc/Makefile*, intl/Makefile.*.
4065 * doc/makefile.texi: Fixed markup. Abstract from version
4066 control system used.
4067 (Makefile): Removed obsolete gcc/java/parse.y example.
4068 * doc/sourcebuild.texi: Likewise.
4069 (Top Level): Added config, gnattools, libdecnumber, libgcc,
4070 libgomp, libssp. Removed fastjar.
4071 (Miscellaneous Docs): Clarify location.
4072 Added COPYING3, COPYING3.LIB.
4073 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
4075 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4078 * config/i386/i386.c (x86_function_profiler)
4079 [!NO_PROFILE_COUNTERS]: Fix typo.
4080 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
4083 2010-03-22 Janis Johnson <janis187@us.ibm.com>
4084 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4086 * doc/sourcebuild.texi (Test Directives): Split into six
4087 subsections, with most of the current text in new subsections
4088 Directives, Selectors, and Final Actions.
4089 (Directives): Split list of test directives into multiple
4091 (Selectors): Describe use and syntax of selectors.
4092 (Effective-Target Keywords): Describe all existing keywords.
4093 (Add Options): Describe features for dg-add-options.
4094 (Require Support): Describe variants of dg-require-support.
4095 (Final Actions): Describe commands to use in dg-final.
4097 2010-03-22 Michael Matz <matz@suse.de>
4100 * recog.c (validate_replace_rtx_group): Replace also in
4101 REG_EQUAL and REG_EQUIV notes.
4103 2010-03-22 Richard Guenther <rguenther@suse.de>
4105 PR tree-optimization/43390
4106 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
4107 sure vector extracts are type correct.
4109 2010-03-22 Richard Guenther <rguenther@suse.de>
4112 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
4113 x * sqrt (x) even when optimizing for size if the target
4114 has native support for sqrt.
4116 2010-03-22 Jakub Jelinek <jakub@redhat.com>
4118 * varasm.c (make_decl_rtl_for_debug): Also clear
4119 flag_mudflap for the duration of make_decl_rtl call.
4122 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
4123 locs from preserved VALUEs.
4125 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4128 * pa.md (movmemsi): Set align to one if zero.
4129 (movmemdi): Likewise.
4131 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
4134 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
4135 with their corresponding prologue pushes.
4137 2010-03-20 Andrew Pinski <pinskia@gmail.com>
4140 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
4141 at the begining or end.
4142 (spu_expand_epilogue): Likewise.
4144 2010-03-20 Richard Guenther <rguenther@suse.de>
4146 PR rtl-optimization/43438
4147 * combine.c (make_extraction): Properly zero-/sign-extend an
4148 extraction of the low part of a CONST_INT. Also handle
4151 2010-03-19 Mike Stump <mikestump@comcast.net>
4153 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
4154 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
4155 (override_options): Use SUBTARGET32_DEFAULT_CPU.
4157 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4160 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
4163 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
4165 PR rtl-optimization/42258
4166 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
4167 use that may match DEF.
4170 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
4171 the cost of loading the constant rather than assuming
4173 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
4174 outer code is AND, do the same tests as the andsi3 expander and
4175 return COSTS_N_INSNS (1) if and is cheap.
4177 * optabs.c (avoid_expensive_constant): Fix formatting.
4179 2010-03-19 Michael Matz <matz@suse.de>
4182 * attribs.c (decl_attributes): When rebuilding a function pointer
4183 type use the same qualifiers as the original pointer type.
4185 2010-03-19 Martin Jambor <mjambor@suse.cz>
4187 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
4188 and is_gimple_ip_invariant_address.
4190 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4193 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4195 * config/arm/arm.c (arm_override_options): Turn off
4196 flag_dwarf2_cfi_asm for AAPCS variants.
4198 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4201 * config/arm/arm.c (emit_multi_reg_push): Update comments.
4202 Use PRE_MODIFY instead of PRE_DEC.
4203 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
4204 (vfp_emit_fstmd): Likewise.
4206 2010-03-19 Michael Matz <matz@suse.de>
4209 * builtins.c (expand_builtin_interclass_mathfn,
4210 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
4213 2010-03-19 Richard Guenther <rguenther@suse.de>
4215 PR tree-optimization/43415
4216 * tree-ssa-pre.c (phi_translate): Split out worker to ...
4217 (phi_translate_1): ... this.
4218 (phi_translate): Move all caching here. Cache all NARY
4219 and REFERENCE translations.
4221 2010-03-19 David S. Miller <davem@davemloft.net>
4223 With help from Eric Botcazou.
4224 * config/sparc/sparc.c: Include dwarf2out.h.
4225 (emit_pic_helper): Delete.
4226 (pic_helper_symbol_name): Delete.
4227 (pic_helper_emitted_p): Delete.
4228 (pic_helper_needed): New.
4229 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
4230 (get_pc_thunk_name): New.
4231 (load_pic_register): Remove 'delay_pic_helper' arg. Use
4232 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
4233 Set pic_helper_needed to true. Don't call emit_pic_helper.
4234 (sparc_expand_prologue): Update load_pic_register call.
4235 (sparc_output_mi_thunk): Likewise.
4236 (sparc_file_end): Emit a hidden comdat symbol for the PIC
4237 thunk if possible. Output CFI information as needed.
4239 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
4240 Jack Howarth <howarth@bromo.med.uc.edu>
4243 * config/i386/i386.h: Fix ABI on darwin x86-32.
4245 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
4247 * tree.h: Declare make_decl_rtl_for_debug.
4248 * varasm.c (make_decl_rtl_for_debug): New.
4249 * dwarf2out.c (rtl_for_decl_location): Call it.
4250 * cfgexpand.c (expand_debug_expr): Call it.
4252 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4255 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
4259 * var-tracking.c (vt_init_cfa_base): Do nothing if
4260 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
4262 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
4265 * var-tracking.c (canonicalize_vars_star): New.
4266 (dataflow_post_merge_adjust): Use it.
4268 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4271 * var-tracking.c (non_suitable_const): New function.
4272 (add_uses): For DEBUG_INSNs with constants, don't record any
4273 value, instead just the constant value itself.
4274 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
4275 is not VAR_LOC_UNKNOWN_P, set var to the constant.
4276 (emit_notes_in_bb): Likewise.
4277 (emit_note_insn_var_location): For onepart variables if
4278 cur_loc is a VOIDmode constant, use DECL_MODE.
4280 2010-03-18 Martin Jambor <mjambor@suse.cz>
4283 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
4284 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
4285 all non-clones. Moved call redirection...
4286 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
4287 (cgraph_materialize_all_clones): Dispose of all
4288 combined_args_to_skip bitmaps.
4289 (verify_cgraph_node): Do not check for edges pointing to wrong
4290 nodes in inline clones.
4291 * tree-inline.c (copy_bb): Call
4292 cgraph_redirect_edge_call_stmt_to_callee.
4293 * ipa.c (cgraph_remove_unreachable_nodes): Call
4294 cgraph_node_remove_callees even when there are used clones.
4296 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4298 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
4300 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4303 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
4306 2010-03-18 Michael Matz <matz@suse.de>
4309 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
4310 into sqrt(x) if we need to preserve signed zeros.
4312 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
4313 Eric Botcazou <ebotcazou@adacore.com>
4315 PR rtl-optimization/43360
4316 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
4317 note if we don't know its invariant status.
4319 2010-03-18 Michael Matz <matz@suse.de>
4321 PR tree-optimization/43402
4322 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
4323 PHI chains of ssa names registered for update.
4325 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
4328 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
4329 non-offsettable and pre_modify update addressing.
4330 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
4331 and "2" alternatives "#".
4332 (*movdd_softfloat32): Make all alternatives "#";
4333 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
4334 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
4335 (*movdf_softfloat32): Make all alternatives "#";
4336 (movdi): Use the new DIFD mode iterator to create a common splitter
4337 for movdi, movdf and movdd patterns.
4339 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
4341 * common.opt (dumpdir): Remove redundant tab.
4343 2010-03-17 Martin Jambor <mjambor@suse.cz>
4345 PR tree-optimization/43347
4346 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
4347 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
4349 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
4351 PR rtl-optimization/42216
4352 * regrename.c (create_new_chain): New function, broken out from...
4353 (scan_rtx_reg): ... here. Call it. Handle the case where we are
4354 appending a use to an empty chain.
4355 (build_def_use): Remove previous changes that convert OP_INOUT to
4356 OP_OUT operands; instead detect the case where an OP_INOUT operand
4357 uses a previously untracked register and create an empty chain for it.
4359 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4361 * doc/extend.texi (Function Attributes): Rewrite unfinished
4362 sentence in ms_abi documentation.
4364 2010-03-17 Alan Modra <amodra@gmail.com>
4366 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
4367 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
4368 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
4369 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
4371 2010-03-16 Richard Henderson <rth@redhat.com>
4374 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
4375 (lower_try_finally): Save and restore eh_seq around the expansion
4378 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4380 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
4381 statements before splitting block.
4383 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4385 * doc/sourcebuild.texi (Testsuites): Fix markup.
4386 Use pathnames relative to gcc/testsuite.
4387 (Test Directives): Move description of how timeout is determined.
4388 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
4389 (C Tests): Correct gcc.misc-tests directory.
4390 Framework tests now live in gcc.test-framework.
4392 2010-03-16 Richard Guenther <rguenther@suse.de>
4395 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
4396 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
4398 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
4399 Alexandre Oliva <aoliva@redhat.com>
4401 PR tree-optimization/42917
4402 * lambda-code.c (remove_iv): Skip debug statements.
4403 (lambda_loopnest_to_gcc_loopnest): Likewise.
4404 (not_interesting_stmt): Debug statements are not interesting.
4406 2010-03-16 Jakub Jelinek <jakub@redhat.com>
4410 * cselib.c (cselib_preserve_constants,
4411 cfa_base_preserved_val): New static variables.
4412 (preserve_only_constants): New function.
4413 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
4414 clear its REG_VALUES. If cselib_preserve_constants, don't
4415 empty the whole hash table, but preserve there VALUEs with constants,
4416 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
4417 (cselib_preserve_cfa_base_value): New function.
4418 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
4419 (cselib_init): Change argument to int bitfield. Set
4420 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
4422 (cselib_finish): Clear cselib_preserve_constants and
4423 cfa_base_preserved_val.
4424 * cselib.h (enum cselib_record_what): New enum.
4425 (cselib_init): Change argument to int.
4426 (cselib_preserve_cfa_base_value): New prototype.
4427 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
4428 * dse.c (dse_step1): Likewise.
4429 * cfgcleanup.c (thread_jump): Likewise.
4430 * sched-deps.c (sched_analyze): Likewise.
4431 * gcse.c (local_cprop_pass): Likewise.
4432 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
4433 If FN is non-NULL, call the callback always and whenever it returns
4434 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
4435 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
4436 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
4437 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
4438 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
4439 * var-tracking.c: Include recog.h.
4440 (bb_stack_adjust_offset): Remove.
4441 (vt_stack_adjustments): Don't call it, instead just gather the
4442 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
4443 (adjust_stack_reference): Remove.
4444 (compute_cfa_pointer): New function.
4445 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
4446 (struct adjust_mem_data): New type.
4447 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
4449 (get_address_mode): New function.
4450 (replace_expr_with_values): Use it.
4451 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
4452 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
4453 (adjust_sets): Remove.
4454 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
4455 Use get_address_mode.
4456 (get_adjusted_src): Remove.
4457 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
4458 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
4459 (add_with_sets): Don't call adjust_sets.
4460 (fp_setter, vt_init_cfa_base): New functions.
4461 (vt_initialize): Change return type to bool. Move most of pool etc.
4462 initialization to the beginning of the function from end. Pass
4463 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
4464 If !frame_pointer_needed, call vt_stack_adjustment before mos
4465 vector is filled, call vt_init_cfa_base if argp/framep has been
4466 eliminated to sp. If frame_pointer_needed and argp/framep has
4467 been eliminated to hard frame pointer, set
4468 hard_frame_pointer_adjustment and call vt_init_cfa_base after
4469 encountering fp setter in the prologue. For MO_ADJUST, call
4470 log_op_type before pusing the op into mos vector, not afterwards.
4471 Call adjust_insn before cselib_process_insn/add_with_sets,
4472 call cancel_changes (0) afterwards.
4473 (variable_tracking_main_1): Adjust for vt_initialize calling
4474 vt_stack_adjustments and returning whether it succeeded or not.
4476 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
4478 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
4481 2010-03-15 Jakub Jelinek <jakub@redhat.com>
4483 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
4485 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
4486 drap_reg has not been set.
4488 2010-03-15 Michael Matz <matz@suse.de>
4491 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
4492 use it to expand block copies.
4493 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
4494 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
4495 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
4497 2010-03-15 Richard Guenther <rguenther@suse.de>
4499 PR tree-optimization/43367
4500 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
4503 2010-03-15 Richard Guenther <rguenther@suse.de>
4505 PR tree-optimization/43317
4506 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
4508 2010-03-15 Martin Jambor <mjambor@suse.cz>
4510 PR tree-optimization/43141
4511 * tree-sra.c (create_abstract_origin): New function.
4512 (modify_function): Call create_abstract_origin.
4514 2010-03-15 Chris Demetriou <cgd@google.com>
4516 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
4519 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4522 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
4523 call insert_out_of_ssa_copy for default definitions.
4525 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4527 * graphite-clast-to-gimple.c (my_long_long): Defined.
4528 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
4529 * graphite-sese-to-poly.c (my_long_long): Defined.
4530 (scop_ivs_can_be_represented): Use it.
4532 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4534 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
4535 graphite-max-bbs-per-function, and loop-block-tile-size.
4536 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
4538 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
4540 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4542 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
4543 forward declaration.
4544 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
4545 (add_upper_bounds_from_estimated_nit): New.
4546 (build_loop_iteration_domains): Use it.
4548 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4550 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
4552 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4555 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
4556 should be an INTEGER_CST. Also handle CASE_CONVERT.
4558 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4560 * graphite.c (graphite_initialize): To bound the number of bbs per
4561 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
4562 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
4563 * doc/invoke.texi: Document it.
4565 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4567 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
4568 * graphite-sese-to-poly.h (build_poly_scop): Same.
4570 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
4572 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
4573 the number of parameters in the scop. Use as an upper bound
4574 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
4575 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
4576 * doc/invoke.texi: Document it.
4578 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
4580 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
4581 * doc/c-tree.texi: Remove.
4582 * doc/generic.texi: Merge c-tree.texi here.
4583 * doc/gccint.texi (Trees): Remove menu entry.
4584 (c-tree.texi): Remove @include.
4585 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
4586 * doc/languages.texi (Reading RTL): Ditto.
4588 2010-03-12 Steve Ellcey <sje@cup.hp.com>
4591 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
4593 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
4596 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
4597 code added to work around reload clobbering CONST insns.
4599 2010-03-12 Jakub Jelinek <jakub@redhat.com>
4601 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
4602 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
4603 (cselib_preserve_only_values): Remove retain argument, don't
4604 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
4605 * cselib.h (cselib_preserve_only_values): Remove retain argument.
4606 * var-tracking.c (micro_operation): Move insn field before union.
4607 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
4608 (struct variable_tracking_info_def): Remove n_mos field, change
4609 mos into a vector of micro_operations.
4610 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
4611 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
4612 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
4613 changing into a vector.
4614 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
4615 come before all other uops generated by add_stores.
4616 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
4618 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
4619 a vector. Run just one pass over the bbs instead of separate counting
4620 and computation phase.
4621 (vt_finalize): Free VTI (bb)->mos vector instead of array.
4624 * tree-inline.c (remap_decls): Put old_var rather than origin_var
4625 into *nonlocalized_list vector.
4626 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
4627 even if origin is non-NULL.
4628 (gen_variable_die): Likewise.
4629 (process_scope_var): Don't change origin.
4630 (gen_decl_die): Likewise.
4631 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
4632 before adding new edges instead of after it, fix moving over
4635 2010-03-11 David S. Miller <davem@davemloft.net>
4637 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
4639 * configure: Rebuild.
4641 2010-03-11 Martin Jambor <mjambor@suse.cz>
4643 PR tree-optimization/43257
4644 * tree.c (assign_assembler_name_if_neeeded): New function.
4645 (free_lang_data_in_cgraph): Assembler name assignment moved to the
4647 * tree.h (assign_assembler_name_if_neeeded): Declare.
4648 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
4649 the function if needed.
4651 2010-03-11 Chris Demetriou <cgd@google.com>
4653 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
4654 include/stdint-gcc.h, and include/stdint.h world-readable.
4656 2010-03-11 Richard Guenther <rguenther@suse.de>
4658 PR tree-optimization/43255
4659 * tree-vrp.c (process_assert_insertions_for): Do not insert
4660 asserts for trivial conditions.
4662 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4664 PR tree-optimization/43280
4665 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
4666 generation. Move calculation of size out of the if branch.
4667 (find_bswap): Modify compare number generation.
4669 2010-03-11 Richard Guenther <rguenther@suse.de>
4672 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
4673 (input_gimple_stmt): Fixup handled component types during
4674 operand read. Also fix up decls in ADDR_EXPRs.
4676 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
4678 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
4679 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
4681 2010-03-10 Jan Hubicka <jh@suse.cz>
4684 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
4685 * varasm.c (get_variable_section): Don't do that here...
4686 (make_decl_rtl): ... and here.
4687 (do_assemble_alias): Produce decl RTL.
4688 (assemble_alias): Likewise.
4690 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4693 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
4694 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
4696 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
4697 (based_loc_descr): Only express drap or vdrap regno based expressions
4698 using DW_OP_fbreg when not optimizing.
4699 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
4700 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
4701 REG_CFA_SET_VDRAP note.
4703 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
4705 PR tree-optimization/43236
4706 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
4707 error in calculation of base address in reverse iteration case.
4708 (generate_builtin): Take number of latch executions if the statement
4711 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
4714 * tree-eh.c: Include pointer-set.h.
4715 (lower_eh_dispatch): Filter out duplicate case labels and
4716 remove the unneeded edge when the label is unused. Return
4717 true when some edges are removed.
4718 (execute_lower_eh_dispatch): When any lowering resulted in
4719 removing an edge, also delete unreachable blocks.
4721 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4724 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
4725 UNSPEC_MACHOPIC_OFFSET.
4727 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
4730 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
4731 (m68k_delegitimize_address): New function.
4733 2010-03-09 Jakub Jelinek <jakub@redhat.com>
4736 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
4739 * var-tracking.c (adjust_sets): New function.
4740 (count_with_sets, add_with_sets): Use it.
4741 (get_adjusted_src): New inline function.
4742 (add_stores): Use it.
4745 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
4746 call cselib_dummy_expand_value_rtx_cb instead of
4747 cselib_expand_value_rtx_cb.
4750 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
4751 * config/i386/i386.c: Include debug.h and dwarf2out.h.
4752 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
4753 and .cfi_endproc around the pic thunks.
4754 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
4755 all queued unwind info register saves are saved before the call.
4756 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
4757 considered as sp-=4 for unwind info and the pop as sp+=4 which
4758 also clobbers dest, but doesn't actually restore it.
4761 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
4762 RTX_FRAME_RELATED_P.
4764 2010-03-09 Jie Zhang <jie@codesourcery.com>
4766 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
4767 whitespaces in output template.
4769 2010-03-09 Jie Zhang <jie@codesourcery.com>
4771 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
4774 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4776 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
4777 builtins.exp in a separate job.
4779 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4781 * graphite-sese-to-poly.c (add_param_constraints): Use
4782 lower_bound_in_type and upper_bound_in_type.
4784 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4786 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
4787 instead of unsigned_type_node.
4789 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4790 Reza Yazdani <reza.yazdani@amd.com>
4793 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
4794 on pointer type parameters.
4796 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4800 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
4801 handle conversions from pointer to integers.
4802 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
4803 induction variable, to be able to work with code generated by CLooG.
4804 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
4805 (build_poly_scop): Bail out if we cannot codegen a loop.
4807 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4809 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
4810 code generation with gloog_error.
4812 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4814 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
4815 Call fold_convert on all the returned values.
4816 (expand_scalar_variables_expr): Pass to
4817 expand_scalar_variables_ssa_name the type of the resulting expression.
4819 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4821 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
4822 ppl_min_for_le_pointset.
4823 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
4824 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
4826 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4828 * graphite-dependences.c (map_into_dep_poly): Removed.
4829 (dependence_polyhedron_1): Use combine_context_id_scat.
4831 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4833 * graphite-poly.h (struct poly_scattering): Add layout documentation.
4834 (struct poly_bb): Same.
4835 (combine_context_id_scat): New.
4837 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4840 * sese.c (name_defined_in_loop_p): Return false for default
4843 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4845 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
4846 and clean up the logic.
4848 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4850 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
4853 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4855 * var-tracking.c (remove_cselib_value_chains): Define only for
4857 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
4858 delete_slot_part, emit_notes_for_differences_1): Don't call
4859 remove_cselib_value_chains here.
4860 (set_slot_part, emit_notes_for_differences_2): Don't call
4861 add_cselib_value_chains here.
4862 (preserved_values): New vector.
4863 (preserve_value): New function.
4864 (add_uses, add_stores, vt_add_function_parameters): Use it
4865 instead of cselib_preserve_value.
4866 (changed_values_stack): New vector.
4867 (check_changed_vars_0): New function.
4868 (check_changed_vars_1, check_changed_vars_2): Use it.
4869 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
4870 changed_values_stack VALUEs.
4871 (vt_emit_notes): For all preserved_values call
4872 add_cselib_value_chains. If ENABLE_CHECKING call
4873 remove_cselib_value_chains before verifying value_chains is empty.
4874 Initialize and free changed_values_stack.
4875 (vt_initialize): Initialize preserved_values.
4876 (vt_finalize): Free preserved_values.
4878 2010-03-08 Richard Guenther <rguenther@suse.de>
4880 PR tree-optimization/43269
4881 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
4884 2010-03-08 Martin Jambor <mjambor@suse.cz>
4886 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
4887 (ipa_is_param_called): Removed.
4888 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
4889 (ipa_print_node_params): Do not print the called flag.
4890 (ipa_write_node_info): Do not stream the called flag.
4891 (ipa_read_node_info): Likewise.
4893 2010-03-07 Jakub Jelinek <jakub@redhat.com>
4896 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
4897 * cselib.c (struct expand_value_data): Add dummy field.
4898 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
4900 (cselib_dummy_expand_value_rtx_cb): New function.
4901 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
4903 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
4904 * var-tracking.c: Include pointer-set.h.
4905 (variable): Change n_var_parts to char from int. Add
4906 cur_loc_changed and in_changed_variables fields.
4907 (variable_canonicalize): Remove.
4908 (shared_var_p): New inline function.
4909 (unshare_variable): Maintain cur_loc_changed and
4910 in_changed_variables fields. If var was in changed_variables,
4911 replace it there with new_var. Just copy cur_loc instead of
4912 resetting it to something else.
4913 (variable_union): Don't recompute cur_loc. Use shared_var_p.
4914 (dataflow_set_union): Don't call variable_canonicalize.
4915 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
4916 of their DEBUG_EXPR_TREE_DECLs.
4917 (canonicalize_loc_order_check): Verify that cur_loc is NULL
4918 and in_changed_variables and cur_loc_changed is false.
4919 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
4920 and cur_loc_changed. Don't update cur_loc here.
4921 (variable_merge_over_src): Don't call variable_canonicalize.
4922 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
4923 removing loc that is equal to cur_loc, clear cur_loc,
4924 set cur_loc_changed and ensure variable_was_changed is called.
4925 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
4926 compare pointers in cur_loc check, if it is equal to loc,
4927 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
4928 (variable_different_p): Remove compare_current_location argument,
4929 don't compare cur_loc.
4930 (dataflow_set_different_1): Adjust variable_different_p caller.
4931 (variable_was_changed): If dv had some var in changed_variables
4932 already, reset in_changed_variables flag for it and propagate
4933 cur_loc_changed over to the new variable. On empty var
4934 always set cur_loc_changed. Set in_changed_variables on whatever
4935 var is added to changed_variables.
4936 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
4937 Use shared_var_p. When removing loc that is equal to cur_loc,
4938 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
4939 end, don't set it to something else, just call variable_was_changed.
4940 (delete_slot_part): Use shared_var_p. When cur_loc equals to
4941 loc being removed, clear cur_loc and set cur_loc_changed.
4942 Set cur_loc_changed if all locations have been removed.
4943 (struct expand_loc_callback_data): New type.
4944 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
4945 allocated. Always create SUBREGs if simplify_subreg failed.
4946 Prefer to use cur_loc, when that fails and still in
4947 changed_variables (and seen first time) recompute it. Set
4948 cur_loc_changed of variables which had to change cur_loc and
4949 compute elcd->cur_loc_changed if any of the subexpressions used
4950 had to change cur_loc.
4951 (vt_expand_loc): Adjust to pass arguments in
4952 expand_loc_callback_data structure.
4953 (vt_expand_loc_dummy): New function.
4954 (emitted_notes): New variable.
4955 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
4956 that weren't used for any other decl in current
4957 emit_notes_for_changes call call vt_expand_loc_dummy to update
4958 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
4959 first loc_chain location if NULL before. Always use just
4960 cur_loc instead of first loc_chain location. When cur_loc_changed
4961 is false, when not --enable-checking=rtl just don't emit any note.
4962 When rtl checking, compute the note and assert it is the same
4963 as previous note. Clear cur_loc_changed and in_changed_variables
4964 at the end before removing from changed_variables.
4965 (check_changed_vars_3): New function.
4966 (emit_notes_for_changes): Traverse changed_vars to call
4967 check_changed_vars_3 on each changed var.
4968 (emit_notes_for_differences_1): Clear cur_loc_changed and
4969 in_changed_variables. Recompute cur_loc of new_var.
4970 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
4971 (vt_emit_notes): Initialize and destroy emitted_notes.
4973 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
4975 PR rtl-optimization/42220
4976 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
4977 Use verify_reg_tracked to determine if we should use OP_OUT rather
4979 (build_def_use): If we see an in-out operand for a register that we
4980 know nothing about, treat is an output if possible, fail the block if
4983 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4986 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
4989 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4992 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
4993 uses of relevant DEFs that are dead outside the loop too.
4995 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4997 * var-tracking.c (dataflow_set_merge): Swap src and src2.
4999 2010-01-13 Jakub Jelinek <jakub@redhat.com>
5001 * var-tracking.c (values_to_unmark): New variable.
5002 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
5003 values_to_unmark vector. Moved body to...
5004 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
5005 instead queue it into values_to_unmark vector.
5006 (vt_find_locations): Free values_to_unmark vector.
5008 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
5010 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
5011 (site.exp): Export them when plugins are enabled.
5013 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
5016 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
5018 (chrec_fold_multiply): Same.
5020 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
5023 * c-decl.c (build_compound_literal): Return early if init is
5026 2010-03-04 Martin Jambor <mjambor@suse.cz>
5028 PR tree-optimization/43164
5029 PR tree-optimization/43191
5030 * tree-sra.c (type_consists_of_records_p): Reject records with
5031 zero-size bit-fields at the end.
5033 2010-03-04 Mike Stump <mikestump@comcast.net>
5035 * Makefile.in (TAGS): Remove *.y.
5037 2010-03-04 Richard Guenther <rguenther@suse.de>
5039 PR tree-optimization/40761
5040 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
5042 (my_rev_post_order_compute): New function.
5043 (init_pre): Call it.
5045 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
5048 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
5049 decrease the cost of an IV candidate when the cost is infinite.
5051 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5053 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
5054 Use '3DNow!' for the extension of that name, ensure normal space
5056 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
5058 2010-03-03 Jeff Law <law@redhat.com>
5060 * PR middle-end/32693
5061 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
5062 than gen_rtx_SUBREG.
5063 (extract_bit_field_1): Likewise.
5065 2010-03-03 Janis Johnson <janis187@us.ibm.com>
5067 * doc/sourcebuild.texi (Test directives): Document that arguments
5068 include-opts and exclude-opts are now optional for dg-skip-if,
5069 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
5071 2010-03-03 Jason Merrill <jason@redhat.com>
5074 * cgraph.h (varpool_node): Add extra_name field.
5075 * varpool.c (varpool_extra_name_alias): New.
5076 (varpool_assemble_decl): Emit extra name aliases.
5077 (varpool_mark_needed_node): Look past an extra name alias.
5078 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
5079 * lto-streamer-in.c (lto_input_tree): Read it.
5080 * lto-streamer-out.c (output_unreferenced_globals): Write it.
5082 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
5084 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
5085 (sparc*-*-solaris2*): ...this.
5087 2010-03-03 Jakub Jelinek <jakub@redhat.com>
5090 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
5091 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
5092 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
5093 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
5096 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
5097 fallthrough to default handling, just with want_address 0 instead of 2.
5098 For single element lists, add_AT_loc directly, otherwise create an
5099 artificial variable DIE and stick location list to it.
5102 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
5103 (VAL_EXPR_HAS_REVERSE): Define.
5104 (reverse_op): New function.
5105 (add_stores): For reversible operations add an extra MO_VAL_USE.
5107 2010-03-02 Jason Merrill <jason@redhat.com>
5109 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
5111 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
5113 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
5114 (sparc64-*-linux*): Likewise.
5115 (sparc64-*-solaris2*): Include assembler files before linker ones.
5116 (sparc-*-solaris2*): Simplify and reorder to match previous case.
5117 * config/sparc/gas.h: Delete.
5118 * config/sparc/sol2-64.h: Add copyright notice.
5119 * config/sparc/sol2-gas-bi.h: Likewise.
5120 * config/sparc/sol2-gld.h: Likewise.
5121 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
5122 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
5123 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
5124 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
5125 (sparc_elf_asm_named_section): Rename into...
5126 (sparc_solaris_elf_asm_named_section): ...this. Always define.
5128 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
5130 * config/alpha/alpha.c (override_options): Fix -mtune error message.
5132 2010-03-02 Jeff Law <law@redhat.com>
5135 * reload1.c (rtx_p, substitute_stack): Declare.
5136 (substitute): Record addresses of changed rtxs.
5137 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
5138 Restore the original rtx when complete.
5139 (reload): Free subsitute_stack when complete.
5141 2010-03-02 Janis Johnson <janis187@us.ibm.com>
5143 * doc/gccint.texi (menu): Add Testsuites as a chapter.
5144 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
5146 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
5147 LTO Testing, gcov Testing, profopt Testing, compat Testing,
5148 Torture Tests): Change from subsection to section.
5150 2010-03-02 Jakub Jelinek <jakub@redhat.com>
5151 Steven Bosscher <steven@gcc.gnu.org>
5153 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
5156 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
5159 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
5160 the assignment from the new induction variable to the assignment
5161 of the value from the original loop PHI function.
5163 2010-03-01 Janis Johnson <janis187@us.ibm.com>
5164 Daniel Jacobowitz <dan@codesourcery.com>
5166 * doc/sourcebuild.texi (Test directives): Clarify options to
5169 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5171 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
5172 Disable cfi directives unless GCC and gas agree on using read-only
5173 .eh_frame sections for 64-bit.
5174 * configure: Regenerate.
5176 2010-03-01 Richard Guenther <rguenther@suse.de>
5178 PR tree-optimization/43220
5179 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
5180 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
5182 2010-03-01 Richard Guenther <rguenther@suse.de>
5183 Martin Jambor <mjambor@suse.cz>
5186 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
5187 gimplified parameters.
5189 2010-03-01 Christian Bruel <christian.bruel@st.com>
5191 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
5193 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
5195 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
5197 2010-03-01 Richard Guenther <rguenther@suse.de>
5200 * expr.c (expand_assignment): Use the alias-oracle to tell
5201 if the rhs aliases the result decl.
5203 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5206 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
5207 to sol_gt_pch_get_address.
5208 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
5209 64-bit, SPARC and x86.
5210 (sol_gt_pch_get_address): New function.
5212 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
5214 * toplev.h (inform_n, error_n): Declare.
5215 * diagnostic.c (inform_n, error_n): New function.
5217 2010-03-01 Jakub Jelinek <jakub@redhat.com>
5219 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
5220 has no rtl yet when processing local_decls, queue it and recheck
5221 if deferred stack allocation hasn't assigned it rtl.
5223 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
5225 * config/sh/sh.c (unspec_bbr_uid): New.
5226 (gen_block_redirect): Use it instead of INSN_UID.
5227 (gen_far_branch): Likewise.
5229 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
5231 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
5232 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
5234 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5236 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
5237 (Warning Options): -Wno-conversion-null is valid for
5238 Objective-C++ as well.
5239 * doc/tm.texi (Named Address Spaces): Likewise.
5240 * doc/plugins.texi (Plugins): Replace TABs with spaces.
5241 * doc/tree-ssa.texi (Tree SSA): Likewise.
5243 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5246 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
5247 by default. Don't set the default arch for
5248 i[34567]86-*-darwin*|x86_64-*-darwin*.
5250 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5253 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
5254 default. Set the default 32bit/64bit archs with $with_arch
5255 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
5257 2010-02-27 Richard Guenther <rguenther@suse.de>
5259 PR tree-optimization/43186
5260 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
5261 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
5262 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
5263 unroller iterations.
5265 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5267 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
5268 required and i[34567]86-*-* targets don't support 64bit ISA.
5270 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
5273 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5276 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5278 * config.gcc: Set the default arch at least to Prescott for
5279 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
5280 if SSE math is enabled.
5282 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5284 * diagnostic.c (diagnostic_initialize): Update.
5285 (diagnostic_report_diagnostic): Test inhibit_notes_p for
5287 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
5288 (diagnostic_inhibit_notes): New.
5289 * toplev.c (process_options): inhibit notes with -fcompare-debug.
5291 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5294 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
5295 * doc/standards.texi: Likewise.
5296 * doc/extend.texi: Likewise.
5297 * doc/trouble.texi: Likewise.
5298 * doc/cppopts.texi: Likewise.
5299 * doc/install.texi: Likewise.
5300 * c.opt (std=c90,std=gnu90): New options.
5301 * c-opts.c (c_common_handle_option): Handle them.
5303 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5306 * c-decl.c (undeclared_variable): Use an informative note.
5308 2010-02-26 Richard Guenther <rguenther@suse.de>
5310 PR tree-optimization/43186
5311 * gimple.h (gimple_fold): Remove.
5312 * gimple.c (gimple_fold): Remove. Inline into single user ...
5313 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
5314 Try harder for conditions.
5316 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5319 * function.c (used_types_insert): Don't skip through named pointer
5320 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
5321 and it is different from the main variant's type.
5323 2010-02-26 Nick Clifton <nickc@redhat.com>
5325 * config/rx/rx.md (sminsi3): Remove bogus alternative.
5327 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5329 * config.gcc: Support --with-fpmath=sse for x86.
5331 * config/i386/ssemath.h: New.
5333 * doc/install.texi (--with-fpmath=sse): Documented.
5335 2010-02-26 Richard Guenther <rguenther@suse.de>
5337 PR tree-optimization/43188
5338 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
5339 vector types of over-aligned element type.
5341 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
5344 * config/i386/i386.c (expand_vec_perm_blend): Use correct
5345 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
5347 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
5349 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
5351 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5353 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
5354 * var-tracking.c: Include diagnostic.h.
5355 (debug_dv): New function.
5356 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
5359 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
5360 (add_value_chain, add_value_chains, remove_value_chain,
5361 remove_value_chains): Handle DEBUG_EXPRs.
5362 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
5365 * regcprop.c (struct queued_debug_insn_change): New type.
5366 (struct value_data_entry): Add debug_insn_changes field.
5367 (struct value_data): Add n_debug_insn_changes field.
5368 (debug_insn_changes_pool): New variable.
5369 (free_debug_insn_changes, apply_debug_insn_changes,
5370 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
5371 (kill_value_one_regno): Call free_debug_insn_changes if needed.
5372 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
5374 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
5376 (copyprop_hardreg_forward_1): Don't call apply_change_group for
5377 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
5378 changes, call cprop_find_used_regs via note_stores.
5379 (copyprop_hardreg_forward): When copying vd from predecessor
5380 which has any queued DEBUG_INSN changes, make sure the pointers are
5381 cleared. At the end call df_analyze and then if there are any
5382 DEBUG_INSN changes queued at the end of some basic block for still
5383 live registers, apply them.
5384 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
5386 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
5388 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
5391 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
5393 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
5394 targets. Set the default with_cpu/with_arch from arch/cpu.
5395 Allow x86-64 and native for with_cpu/with_arch.
5397 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
5399 * ebitmap.c: Change calls to verify_popcount with calls to
5400 sbitmap_verify_popcount.
5401 (ebitmap_clear_bit): Fixed map->cacheindex test and
5402 map>cache update when bit clearing results in an empty
5405 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
5408 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
5409 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
5410 and support both V2DF and V2DI modes.
5411 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
5412 support both V2DF and V2DI modes.
5413 (general): Delete trailing whitespace from a few patterns.
5415 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
5416 V2DF/V2DI interleave high/low builtins.
5418 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
5421 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
5422 interleave high/low functions.
5424 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
5426 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
5427 #pragma extern_prefix.
5429 2010-02-25 Jakub Jelinek <jakub@redhat.com>
5432 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
5433 BLKmode, assert op0 is a MEM and just adjust its mode.
5436 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
5437 if bitpos isn't multiple of mode's bitsize.
5439 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5441 * c.opt (-ftemplate-depth=): New.
5442 (-ftemplate-depth-): Deprecate.
5443 * optc-gen.awk: Handle -ftemplate-depth=.
5444 * opth-gen.awk: Likewise.
5445 * c-opts.c (c_common_handle_option): Likewise.
5446 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
5448 2010-02-24 Jason Merrill <jason@redhat.com>
5450 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
5452 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5454 * cfg.c (alloc_aux_for_block): Remove inline.
5455 (alloc_aux_for_edge): Likewise.
5457 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5459 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
5461 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5463 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
5464 * config/i386/sol2-gas.h: New file.
5465 * config.gcc (i[34567]86-*-solaris2*): Use it.
5467 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
5470 * c-typeck.c (ep_convert_and_check): New.
5471 (build_conditional_expr): Use it.
5472 (build_binary_op): Likewise.
5474 2010-02-24 Jakub Jelinek <jakub@redhat.com>
5476 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
5479 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
5480 bounds even for -O+.
5481 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
5482 expr needs to have DECL_NAME set.
5484 2010-02-24 Nick Clifton <nickc@redhat.com>
5486 * config/mep/mep.c: Include gimple.h.
5487 (mep_function_uses_sp): Delete unused function.
5488 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
5489 parameters. Use unsigned integers to count args. Return a
5490 NULL_RTX instead of an error_mark_node. Toidy up formatting.
5492 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5495 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
5496 greater or equal to nelt instead of 2 * nelt.
5497 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
5500 2010-02-23 Jason Merrill <jason@redhat.com>
5503 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
5504 in cfun->local_decls even if they have register types.
5507 * stor-layout.c (place_field): Don't warn about unnecessary
5508 DECL_PACKED if the type is packed.
5510 2010-02-23 Jakub Jelinek <jakub@redhat.com>
5513 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
5514 GOTOFF relocs, even when the base reg isn't pic pointer.
5516 2010-02-23 Michael Matz <matz@suse.de>
5519 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
5520 (expand_gimple_basic_block): Generate and use debug temps if there
5521 are debug uses left after the last real use of TERed ssa names.
5522 Unlink debug immediate uses when they are expanded.
5524 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
5527 * config/i386/i386.c (override_options): Reorganise to provide
5528 better error messages.
5530 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5533 * graphite-scop-detection.c (create_single_exit_edge): Move
5534 the call to find_single_exit_edge to....
5535 (create_sese_edges): ...here. Don't handle multiple edges
5536 exiting the function.
5537 (build_graphite_scops): Don't handle multiple edges
5538 exiting the function.
5540 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5543 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
5544 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
5546 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
5549 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
5551 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
5554 * c-typeck.c (convert_arguments): Print declaration location.
5555 * c-common.c (validate_nargs): Rename as
5556 builtin_function_validate_nargs.
5557 (check_builtin_function_arguments): Update.
5559 2010-02-22 Richard Guenther <rguenther@suse.de>
5562 * tree-inline.c (declare_return_variable): Use the type of
5563 the call stmt lhs if available.
5565 2010-02-22 Duncan Sands <baldrick@free.fr>
5567 * passes.c (register_pass): Always consider all pass lists when
5568 ref_pass_instance_number is zero.
5570 2010-02-22 Richard Guenther <rguenther@suse.de>
5572 PR tree-optimization/42749
5573 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
5574 parameter. Do arithmetic in the original type.
5575 (update_accumulator_with_ops): Likewise.
5576 (adjust_accumulator_values): Adjust.
5578 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5580 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
5581 (QI to BLKmode splitter): New splitter.
5583 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
5585 * config/i386/i386.c (initial_ix86_tune_features): Turn on
5586 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
5588 2010-02-22 Richard Guenther <rguenther@suse.de>
5590 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
5592 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
5594 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
5595 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
5596 ($(T)crti.o, $(T)crtn.o): Remove rules.
5598 2010-02-21 Tobias Burnus <burnus@net-b.de>
5601 * doc/invoke.texi (-fassociative-math): Document that this
5602 option is automatically enabled for Fortran.
5604 2010-02-20 David S. Miller <davem@davemloft.net>
5606 * configure.ac: Test if linker and assembler properly support
5607 GOTDATA_OP relocations.
5608 * configure: Rebuild.
5609 * config.in: Likewise.
5610 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
5611 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
5612 (movsi_high_pic): Likewise.
5613 (movdi_lo_sum_pic): Likewise.
5614 (movdi_high_pic): Likewise.
5615 (movsi_pic_gotdata_op): New pattern.
5616 (movdi_pic_gotdata_op): Likewise.
5617 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
5618 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
5620 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
5623 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
5624 attribute to ssemul.
5625 (xop_mulv2div2di3_high): Ditto.
5627 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5630 * c.opt (Wconversion-null): New option.
5631 * doc/invoke.texi (Wconversion-null): Document.
5633 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
5635 * common.opt (Wlarger-than-): Add Undocumented.
5637 2010-02-19 Mike Stump <mikestump@comcast.net>
5639 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
5641 2010-02-19 Jason Merrill <jason@redhat.com>
5644 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
5645 * configure: Likewise.
5647 2010-02-20 Alan Modra <amodra@gmail.com>
5650 * cgraph.h (cgraph_make_decl_local): Declare.
5651 * cgraph.c (cgraph_make_decl_local): New function.
5652 (cgraph_make_node_local): Use it.
5653 * cgraphunit.c (cgraph_function_versioning): Likewise.
5654 * ipa.c (function_and_variable_visibility): Likewise.
5656 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5659 * except.c (sjlj_emit_function_enter): Don't call
5660 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
5662 * rtl.h (add_reg_br_prob_note): Remove prototype.
5664 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
5667 * c-common.c (conversion_warning): Remove widening conversions
5668 before checking the conversion of integers to reals.
5670 2010-02-19 Mike Stump <mikestump@comcast.net>
5673 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
5676 * cgraphunit.c (process_function_and_variable_attributes): Check
5677 DECL_PRESERVE_P instead of looking up attribute "used".
5678 * ipa-pure-const.c (check_decl): Likewise.
5679 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
5680 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
5681 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
5682 instead of attribute "used".
5683 * config/sol2-c.c (solaris_pragma_init): Likewise.
5684 (solaris_pragma_fini): Likewise.
5686 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5688 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
5689 Use XCNEW instead of xcalloc.
5690 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
5691 XNEW instead of xmalloc.
5692 (get_fields): Use XNEWVEC instead of xmalloc.
5695 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
5696 populate vars array.
5697 (create_new_general_access): For debug stmts just reset value.
5698 (get_stmt_accesses): For accesses within debug stmts just record them
5699 using add_access_to_acc_sites instead of preventing the peeling or
5700 counting them as accesses.
5703 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
5705 2010-02-19 Richard Guenther <rguenther@suse.de>
5707 PR tree-optimization/42916
5708 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
5711 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
5713 * configure.ac: Replace all uses of changequote in macro arguments
5714 with proper quoting.
5716 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5719 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
5721 2010-02-19 Richard Guenther <rguenther@suse.de>
5723 PR tree-optimization/42944
5724 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
5725 test for aliasing with errno.
5727 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5730 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
5731 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
5732 * dojump.c: Include output.h.
5733 (inv): New inline function.
5734 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
5735 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
5736 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
5737 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
5738 argument, pass it down to other calls.
5739 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
5740 add REG_BR_PROB note to the conditional jump.
5741 * cfgexpand.c (add_reg_br_prob_note): Removed.
5742 (expand_gimple_cond): Don't call it, add the probability
5743 as last argument to jumpif_1/jumpifnot_1.
5744 * Makefile.in (dojump.o): Depend on output.h.
5745 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
5747 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
5748 * stmt.c (do_jump_if_equal): Likewise.
5749 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
5750 * loop-unswitch.c (compare_and_jump_seq): Likewise.
5751 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
5753 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
5754 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
5755 jumpifnot_1 callers.
5756 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
5758 (store_expr): Adjust jumpifnot caller.
5759 (store_constructor): Adjust jumpif caller.
5762 * gimplify.c (gimple_boolify): For __builtin_expect call
5763 gimple_boolify also on its first argument.
5765 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
5767 * configure.ac (gnu-unique-object): Wrap regexps using [] in
5769 (__stack_chk_fail): Ditto. Remove quadrigraphs.
5770 * configure: Regenerated.
5772 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5774 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
5775 lang_hooks.types_compatible_p instead of comptypes.
5777 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
5779 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
5780 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
5781 if __prefer_thumb__ is defined.
5783 2010-02-18 Martin Jambor <mjambor@suse.cz>
5785 PR tree-optimization/43066
5786 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
5787 array with zero-sized element type.
5789 2010-02-18 Jakub Jelinek <jakub@redhat.com>
5791 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
5792 rtx, allocate struct var_loc_node here and return it to the
5793 caller, and only if it is actually needed.
5794 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
5795 move it earlier and return immediately if it returns NULL.
5797 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
5799 * config/sparc/gas.h: New file. Restore
5800 TARGET_ASM_NAMED_SECTION to its ELF default.
5801 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
5803 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5804 Likewise. Add ATTRIBUTE_UNUSED to prototype.
5805 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
5806 after sparc/sysv4.h.
5808 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
5810 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
5812 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
5814 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
5815 patterns from predicated pattern.
5817 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
5820 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
5821 for insn mnemonic suffix.
5823 2010-02-17 Richard Guenther <rguenther@suse.de>
5825 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
5828 2010-02-17 Jakub Jelinek <jakub@redhat.com>
5831 * caller-save.c (save_call_clobbered_regs): If BB ends with
5832 a DEBUG_INSN, move any notes in between last real insn and the last
5833 DEBUG_INSN after the last DEBUG_INSN.
5835 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
5837 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
5838 Fix return type. Fix argument type. Explain meaning of return value.
5840 2010-02-16 Richard Guenther <rguenther@suse.de>
5842 PR tree-optimization/41043
5843 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
5844 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
5846 (vrp_visit_phi_node): ... but only for loop PHI nodes.
5848 2010-02-16 Ira Rosen <irar@il.ibm.com>
5850 PR tree-optimization/43074
5851 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
5852 * tree-vect-loop.c (vect_analyze_loop_operations): Add
5853 vectorizable cycles in hybrid SLP check.
5854 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
5856 2010-02-16 Richard Guenther <rguenther@suse.de>
5858 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
5859 (true_dependence): If memrefs_conflict_p computes must-alias
5860 trust it. Move TBAA check after offset-based disambiguation.
5861 (canon_true_dependence): Likewise.
5863 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
5865 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
5866 * doc/invoke.texi: Document it.
5867 * var-tracking.c: Include toplev.h and params.h.
5868 (vt_find_locations): Return bool indicating success. Compute
5869 hash sizes unconditionally. Check new parameter, report.
5870 (variable_tracking_main_1): Check vt_find_locations results and
5871 retry. Renamed from...
5872 (variable_tracking_main): ... this. New wrapper to preserve
5873 flag_var_tracking_assignments.
5874 * Makefile.in (var-tracking.o): Adjust dependencies.
5876 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
5877 Jakub Jelinek <jakub@redhat.com>
5880 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
5881 if weak_import attribute is present.
5882 * config/darwin.c (machopic_select_section): Likewise.
5884 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
5886 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
5887 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
5888 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
5889 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
5891 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
5894 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5897 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
5898 Rewrite text to refer to the names.
5900 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
5902 * config/i386/i386-builtin-types.def
5903 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
5904 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
5905 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
5906 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
5907 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
5908 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
5909 IX86_BUILTIN_VPERMIL2PS256.
5910 (MULTI_ARG_4_DF2_DI_I): Defined.
5911 (MULTI_ARG_4_DF2_DI_I1): Defined.
5912 (MULTI_ARG_4_SF2_SI_I): Defined.
5913 (MULTI_ARG_4_SF2_SI_I1): Defined.
5914 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
5915 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
5916 __builtin_ia32_vpermil2ps256.
5917 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5918 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5919 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
5920 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5921 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5922 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
5923 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
5924 CODE_FOR_xop_vpermil2v8sf3.
5925 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
5926 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
5927 * config/i386/xopintrin.h (_mm_permute2_pd): New.
5928 (_mm256_permute2_pd): New.
5929 (_mm_permute2_ps): New.
5930 (_mm256_permute2_ps): New.
5932 2010-02-15 Nick Clifton <nickc@redhat.com>
5934 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
5935 boolean parameters. Use emit_jump_insn when emitting a pop
5936 instruction containing a return insn.
5937 (push): Use 'true' rather than '1' as second parameter to F.
5938 (h8300_expand_prologue): Likewise.
5939 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
5940 (h8300_expand_epilogue): Likewise.
5942 2010-02-15 Richard Guenther <rguenther@suse.de>
5945 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
5948 2010-02-15 Nick Clifton <nickc@redhat.com>
5950 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
5953 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
5955 * intl.c (fake_ngettext): New function.
5956 * intl.h (fake_ngettext): Declare.
5957 (ngettext): Define macro.
5958 * collect2.c (notice_translated): New function.
5959 (main): Use notice_translated and ngettext.
5960 * collect2.h (notice_translated): Declare.
5962 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
5964 * reorg.c (delete_computation): Comment fixes.
5965 * caller-save.c (setup_save_areas): Idem.
5966 * sel-sched-dump.c (dump_lv_set): Idem.
5969 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5971 * config/s390/s390.c (s390_sched_init): New function.
5972 (TARGET_SCHED_INIT): Target hook defined.
5974 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
5975 Jack Howarth <howarth@bromo.med.uc.edu>
5976 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5979 Partial revert of unintended change in fix for PR41605.
5980 * config/darwin.h: Fix typo.
5981 * config/darwin9.h: Same.
5983 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5985 * c-pch.c (pch_init): Clear v.
5987 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5990 * graphite-scop-detection.c (graphite_can_represent_scev): Call
5991 graphite_can_represent_init for MULT_EXPR.
5993 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5997 * graphite-sese-to-poly.c (remove_phi): New.
5998 (translate_scalar_reduction_to_array): Call remove_phi.
6000 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6003 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
6004 * graphite-clast-to-gimple.h (gloog): Update declaration.
6005 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
6006 * graphite-poly.h (struct poly_bb): Add missing comments.
6007 (struct scop): Add poly_scop_p field.
6009 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
6010 * graphite.c (graphite_transform_loops): Build the polyhedral
6011 representation for each scop before code generation.
6012 * sese.c (rename_variables_in_operand): Removed.
6013 (rename_variables_in_expr): Return the renamed expression.
6014 (rename_sese_parameters): New.
6015 * sese.h (rename_sese_parameters): Declared.
6017 2010-02-11 Richard Guenther <rguenther@suse.de>
6019 PR tree-optimization/42998
6020 * tree-ssa-pre.c (create_expression_by_pieces): Treat
6021 POINTER_PLUS_EXPR properly.
6023 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6024 Changpeng Fang <changpeng.fang@amd.com>
6027 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
6028 the cost of an IV candidate when the IV is used in a test against zero.
6030 * gcc.dg/tree-ssa/ivopts-3.c: New.
6032 2010-02-11 Richard Guenther <rguenther@suse.de>
6035 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
6036 pointer-vs-decl case by swapping refs. Handle some cases
6037 of pointer-vs-decl disambiguations more conservatively.
6038 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
6039 to false after expanding.
6041 2010-02-11 Richard Guenther <rguenther@suse.de>
6044 * gcc.c (process_command): Handle LTO file@offset case more
6047 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6049 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
6050 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
6052 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
6054 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
6055 if MEM's mode size isn't DWARF2_ADDR_SIZE.
6056 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
6057 Optimize eq/ne comparisons when both arguments are known to be
6059 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
6060 Don't mask operands unnecessarily if they are known to be already
6063 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
6065 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
6068 2010-02-10 Richard Guenther <rguenther@suse.de>
6070 PR tree-optimization/43017
6071 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
6072 for wrapping signed arithmetic.
6074 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6077 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
6078 if no debug info should be emitted for it.
6080 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
6082 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
6083 note when flag_exceptions is set.
6085 2010-02-10 Duncan Sands <baldrick@free.fr>
6087 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
6089 2010-02-10 Richard Guenther <rguenther@suse.de>
6092 * tree.c (get_unwidened): Handle constants.
6093 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
6095 2010-02-10 Martin Jambor <mjambor@suse.cz>
6098 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
6099 check for variable argument counts independently.
6101 2010-02-10 Christian Bruel <christian.bruel@st.com>
6104 * config/sh/sh.c (find_barrier): Increase length for non delayed
6105 conditional branches.
6107 2010-02-10 Christian Bruel <christian.bruel@st.com>
6109 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
6111 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6113 * builtins.c (set_builtin_user_assembler_name): Also handle
6114 ffs if int is smaller than word.
6116 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
6119 * ira-conflicts.c (get_dup): Remove.
6120 (process_reg_shuffles): Add new parameter. Use it as an
6121 additional guard for copy generation.
6122 (add_insn_allocno_copies): Rewrite.
6124 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
6126 * common.opt (fsched2-use-traces): Preserved for backward
6128 * doc/invoke.texi: Remove the documentation about option
6129 -fsched2-use-traces.
6130 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
6131 flag_sched2_use_traces.
6132 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
6133 the backward compatibility flag section.
6135 2010-02-09 Richard Guenther <rguenther@suse.de>
6137 PR tree-optimization/43008
6138 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
6139 make HEAP variables initialized from global memory if they
6140 are not known builtin functions.
6141 (find_func_aliases): Adjust.
6143 2010-02-09 Richard Guenther <rguenther@suse.de>
6145 PR tree-optimization/43000
6146 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
6147 arithmetic manually.
6149 2010-02-08 Jakub Jelinek <jakub@redhat.com>
6151 PR tree-optimization/42931
6152 * tree-loop-linear.c (try_interchange_loops): Don't call
6153 double_int_mul if estimated_loop_iterations failed.
6155 2010-02-08 Martin Jambor <mjambor@suse.cz>
6158 * tree-sra.c (build_accesses_from_assign): Do not mark in
6159 should_scalarize_away_bitmap if stmt has volatile ops.
6160 (sra_modify_assign): Do not process assigns piecemeal if if stmt
6163 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
6165 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
6167 2010-02-07 Adam Nemet <adambnmet@gmail.com>
6169 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
6172 2010-02-07 Andrew Pinski <pinskia@gmail.com>
6175 * df-core.c (df_finish_pass): Change type of saved_flags to int.
6177 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6180 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
6181 to unknown_dependence.
6182 (graphite_legal_transform_dr): Handle the unknown_dependence.
6183 (graphite_carried_dependence_level_k): Same.
6185 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6187 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
6189 2010-02-07 Richard Guenther <rguenther@suse.de>
6192 * expr.c (get_inner_reference): Always initialize *pbitsize.
6194 2010-02-07 Richard Guenther <rguenther@suse.de>
6197 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
6198 new ARRAY_REFs on variable size element or minimal index arrays.
6200 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
6201 gimple_fold_indirect_ref.
6203 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
6206 * arm.c (arm_override_options): Just return if the user has specified
6207 an invalid fpu name.
6209 2010-02-03 Jason Merrill <jason@redhat.com>
6212 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
6213 i386_pe_maybe_record_exported_symbol.
6215 2010-02-05 Steve Ellcey <sje@cup.hp.com>
6218 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6219 (pa_delegitimize_address): New function.
6221 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
6223 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
6224 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
6226 2010-02-05 Richard Guenther <rguenther@suse.de>
6229 * lto-streamer-in.c (get_resolution): Deal with references
6230 to undefined functions.
6232 2010-02-05 Richard Guenther <rguenther@suse.de>
6234 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
6235 (fold_const_aggregate_ref): Likewise.
6236 (ccp_fold_stmt): Substitute loads.
6237 (maybe_fold_reference): Verify types before substituting.
6239 (fold_gimple_assign): Unshare properly.
6240 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
6242 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
6244 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
6245 for rs6000_gen_cell_microcode.
6247 2010-02-04 Richard Guenther <rguenther@suse.de>
6249 PR rtl-optimization/42952
6250 * dse.c (const_or_frame_p): Remove MEM handling.
6252 2010-02-04 Nick Clifton <nickc@redhat.com>
6254 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
6255 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
6256 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
6257 (mn10300_asm_output_mi_thunk): New function.
6258 (mn10300_can_output_mu_thunk): New function.
6259 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
6260 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
6261 (FUNCTION_ARG): Delete incorrect comment.
6263 2010-02-03 Jason Merrill <jason@redhat.com>
6266 * fold-const.c (operand_equal_p): Handle erroneous types.
6268 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
6270 * config/h8300/h8300.md (can_delay): Fix attibute condition.
6272 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
6274 PR rtl-optimization/42941
6275 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
6278 2010-02-03 Jason Merrill <jason@redhat.com>
6281 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
6283 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
6286 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
6287 (cselib_reset_table): Renamed from...
6288 (cselib_reset_table_with_next_value): ... this.
6289 (cselib_get_next_uid): Renamed from...
6290 (cselib_get_next_unknown_value): ... this.
6291 * cselib.c (next_uid): Renamed from...
6292 (next_unknown_value): ... this.
6293 (cselib_clear_table): Adjust.
6294 (cselib_reset_table): Adjust. Renamed from...
6295 (cselib_reset_table_with_next_value): ... this.
6296 (cselib_get_next_uid): Adjust. Renamed from...
6297 (cselib_get_next_unknown_value): ... this.
6298 (get_value_hash): Use hash.
6299 (cselib_hash_rtx): Likewise.
6300 (new_cselib_val): Adjust. Set and dump uid.
6301 (cselib_lookup_mem): Pass next_uid as hash.
6302 (cselib_subst_to_values): Likewise.
6303 (cselib_log_lookup): Dump uid.
6304 (cselib_lookup): Pass next_uid as hash. Adjust.
6305 (cselib_process_insn): Adjust.
6306 (cselib_init): Initialize next_uid.
6307 (cselib_finish): Adjust.
6308 (dump_cselib_table): Likewise.
6309 * dse.c (canon_address): Dump value uid.
6310 * print-rtl.c (print_rtx): Print value uid.
6311 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
6313 (dv_uid): New function, sort of renamed from...
6314 (dv_htab_hash): ... this, reimplemented in terms of it and...
6315 (dv_uid2hash): ... this. New.
6316 (variable_htab_eq): Drop excess assertions.
6317 (tie_break_pointers): Removed.
6318 (canon_value_cmp): Compare uids.
6319 (variable_post_merge_New_vals): Print uids.
6320 (vt_add_function_parameters): Adjust.
6321 (vt_initialize): Reset table. Adjust.
6323 2010-02-03 Richard Guenther <rguenther@suse.de>
6325 PR tree-optimization/42944
6326 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
6327 (call_may_clobber_ref_p_1): Likewise. Properly handle
6328 malloc and calloc clobbering errno.
6330 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
6332 * doc/invoke.texi: Fix name of sched1 dump.
6334 * opts.c (decode_options): Set flag_tree_switch_conversion
6335 only conditionally on optimize >= 2.
6337 * gcse.c: Assorted comment fixes in pass description.
6339 2010-02-03 Anthony Green <green@moxielogic.com>
6341 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
6342 nop padding in order to maintain alignment of storage location of
6343 target function address.
6344 (moxie_trampoline_init): Store target function address at newly
6346 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
6348 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
6350 2010-02-03 Richard Guenther <rguenther@suse.de>
6353 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
6355 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6357 * config.gcc: Reenable check for obsolete targets.
6358 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
6359 mips-sgi-irix6.[0-4]*.
6361 2010-02-02 Nick Clifton <nickc@redhat.com>
6363 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
6364 constant size of 4 as being the same as 0.
6365 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
6366 can take values in the range 0..4.
6368 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
6371 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
6372 as _darwin10_Unwind_FindEnclosingFunction().
6373 * libgcc-libsystem.ver: New.
6375 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
6378 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
6379 implicitly set registers.
6381 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
6383 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
6384 (arm_override_options): Allow automatic selection of the thread
6385 pointer register if thumb2.
6386 (legitimize_pic_address): Improve code sequences for Thumb2.
6387 (arm_call_tls_get_addr): Likewise.
6388 (legitimize_tls_address): Likewise.
6389 * arm.md (pic_load_addr_arm): Delete. Replace with ...
6390 (pic_load_addr_32bit): ... this. New named pattern.
6391 * thumb2.md (pic_load_addr_thumb2): Delete.
6392 (pic_load_dot_plus_four): Delete.
6393 (tls_load_dot_plus_four): New named pattern.
6395 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6398 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
6399 Document fix for TLS bug.
6401 2010-01-31 Richard Guenther <rguenther@suse.de>
6403 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
6404 conservatively correct.
6406 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6410 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6412 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6414 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6416 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
6418 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
6420 * config.gcc: Adjust order of makefile fragments for mingw targets.
6422 2010-01-31 Richard Guenther <rguenther@suse.de>
6425 * gimplify.c (gimplify_init_constructor): For volatile LHS
6426 initialize a temporary.
6428 2010-01-31 Matthias Klose <doko@ubuntu.com>
6430 * configure.ac: Fix __stack_chk_fail check for cross builds configured
6432 * configure: Regenerate.
6434 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
6436 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6437 the same alias set and their sizes different constantness.
6438 (aliasing_component_refs_p): Revert 2009-10-24 change.
6440 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6442 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
6445 2010-01-29 Richard Guenther <rguenther@suse.de>
6447 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
6448 Assert we successfully updated the call.
6450 2010-01-29 Jakub Jelinek <jakub@redhat.com>
6452 PR rtl-optimization/42889
6453 * df.h (df_set_bb_dirty_nonlr): New prototype.
6454 * df-core.c (df_set_bb_dirty_nonlr): New function.
6455 * df-scan.c (df_insn_rescan): Call it instead of
6456 df_set_bb_dirty for DEBUG_INSNs.
6458 2010-01-29 Richard Guenther <rguenther@suse.de>
6461 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
6462 quadratic behavior in most cases.
6464 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
6467 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
6468 in the call to gen_x86_movsicc_0_m1.
6470 2010-01-28 Richard Guenther <rguenther@suse.de>
6472 PR tree-optimization/42871
6473 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
6475 2010-01-28 Richard Guenther <rguenther@suse.de>
6477 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
6478 into call arguments.
6480 2010-01-28 Richard Guenther <rguenther@suse.de>
6483 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
6484 the forwarder if the destination is an EH landing pad.
6486 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
6488 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
6489 block list passed to gimple_duplicate_sese_tail.
6490 (parallelize_loops): Avoid parallelization when the function
6492 Avoid parallelization when the preheader is IRREDUCIBLE.
6493 Try to optimize when estimated_loop_iterations_int is unresolved.
6494 Add the loop's location to the dump file.
6495 * tree-cfg.c (add_phi_args_after_redirect): Remove.
6496 (gimple_duplicate_sese_tail): Remove the check for the latch.
6497 Redirect nexits to the exit block.
6498 Remove handling of the incoming edges to the latch.
6499 Redirect the backedge from the copied latch to the exit bb.
6501 2010-01-28 Michael Matz <matz@suse.de>
6504 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
6505 Wrap force_reg into a sequence, emit it before user.
6507 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
6509 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
6511 (arm_legacy_rev): Likewise.
6512 (thumb_legacy_rev): Likewise.
6514 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6516 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
6517 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
6518 on MEM's address failed, try avoid_constant_pool_reference and
6519 recurse if it returned something different.
6520 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
6521 address, try avoid_constant_pool_reference and recurse if it
6522 returned something different.
6523 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
6524 address and avoid_constant_pool_reference returned something
6525 different, don't set have_address.
6527 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
6530 * var-tracking.c (val_store): Add modified argument, obey it.
6532 (count_uses): Move down logging of main.
6533 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
6534 don't need resolution.
6535 (emit_notes_in_bb): Likewise.
6537 2010-01-27 Richard Guenther <rguenther@suse.de>
6540 * tree-inline.c (remap_decl): Delay remapping of SSA name
6541 default definitions until we need them.
6543 2010-01-27 Jakub Jelinek <jakub@redhat.com>
6545 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6546 (rs6000_delegitimize_address): New function.
6548 * config/s390/s390.c (s390_delegitimize_address): Call
6549 delegitimize_mem_from_attrs.
6552 * tree-inline.c (cannot_copy_type_1): Removed.
6553 (copy_forbidden): Don't forbid copying of functions containing
6554 records/unions with variable length fields.
6556 2010-01-27 Christian Bruel <christian.bruel@st.com>
6560 * config/sh/sh.c (find_barrier): Increase length for non delayed
6561 conditional branches.
6563 2010-01-27 Matthias Klose <doko@ubuntu.com>
6565 * configure.ac (gnu-unique-object): Fix ldd version check.
6566 * configure: Regenerate.
6568 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6570 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
6572 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
6573 Test for HAVE_GNU_AS value.
6575 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6577 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
6578 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
6579 INT64_TYPE): Define.
6580 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
6581 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
6582 INT_LEAST64_TYPE): Define.
6583 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
6584 UINT_LEAST64_TYPE): Define.
6585 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
6586 INT_FAST64_TYPE): Define.
6587 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
6588 UINT_FAST64_TYPE): Define.
6589 (INTMAX_TYPE, UINTMAX_TYPE): Define.
6590 (INTPTR_TYPE, UINTPTR_TYPE): Define.
6591 (SIG_ATOMIC_TYPE): Define.
6593 2010-01-26 Richard Guenther <rguenther@suse.de>
6595 * df-scan.c (df_scan_set_bb_info): Remove assert.
6596 (df_insn_rescan_debug_internal): Merge asserts.
6597 (df_install_ref): Likewise.
6598 (df_mark_reg): Use bitmap_set_range.
6599 (df_hard_reg_used_p): Remove assert.
6600 (df_hard_reg_used_count): Likewise.
6602 2010-01-26 Richard Guenther <rguenther@suse.de>
6604 PR rtl-optimization/42685
6605 * web.c (web_main): Ignore DEBUG_INSNs.
6607 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
6609 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
6611 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
6612 Fix types of fndecl and arglist parameters.
6614 2010-01-26 Richard Guenther <rguenther@suse.de>
6617 * tree-eh.c (unsplit_eh): Skip debug insns.
6619 2010-01-26 Richard Guenther <rguenther@suse.de>
6621 PR tree-optimization/42250
6622 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
6624 2010-01-26 Jakub Jelinek <jakub@redhat.com>
6627 * omp-low.c (expand_omp_sections): Only use single_pred if
6628 l2_bb is single_pred_p.
6630 2010-01-25 Christian Bruel <christian.bruel@st.com>
6633 * config/sh/sh.c (find_barrier): Increase length for non delayed
6634 conditional branches.
6635 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
6637 2010-01-24 David S. Miller <davem@davemloft.net>
6639 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
6640 define if not using GAS.
6641 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6642 Likewise. Delete SECTION_MERGE code, which is only applicable
6645 2010-01-24 Mark Mitchell <mark@codesourcery.com>
6648 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
6649 mangling of va_list in system headers.
6651 2010-01-23 Toon Moene <toon@moene.org>
6653 * tree-predcom.c (combine_chains): Return NULL, not false.
6655 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
6657 * tree-loop-distribution.c (distribute_loop): Fix declaration and
6658 initialization of variable res to agree with return type.
6660 2010-01-22 Steve Ellcey <sje@cup.hp.com>
6662 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
6663 * tree-sra.c: Add include of expr.h.
6665 2010-01-22 Jakub Jelinek <jakub@redhat.com>
6667 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
6668 insert the debug stmt on the single non-EH edge from the stmt.
6670 2010-01-22 Richard Henderson <rth@redhat.com>
6673 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
6674 the RHS until after generate_subtree_copies has insertted its
6675 code before the current statement.
6677 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
6679 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
6681 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
6683 2010-01-21 Martin Jambor <mjambor@suse.cz>
6685 PR tree-optimization/42585
6686 * tree-sra.c (struct access): New field grp_total_scalarization.
6687 (dump_access): Dump the new field.
6688 (should_scalarize_away_bitmap): New variable.
6689 (cannot_scalarize_away_bitmap): Likewise.
6690 (sra_initialize): Allocate new bitmaps.
6691 (sra_deinitialize): Free new bitmaps.
6692 (create_access_1): New function.
6693 (create_access): Parts moved to create_access_1.
6694 (type_consists_of_records_p): New function.
6695 (completely_scalarize_record): Likewise.
6696 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
6697 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
6698 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
6700 (analyze_all_variable_accesses): Completely scalarize small eligible
6703 2010-01-21 Martin Jambor <mjambor@suse.cz>
6705 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
6707 2010-01-21 Andrew Haley <aph@redhat.com>
6709 * gcc.c (process_command): Move lang_specific_driver before
6710 setting cc_libexec_prefix.
6712 2010-01-21 Richard Guenther <rguenther@suse.de>
6715 * fold-const.c (negate_expr_p): Pretend only negative
6716 real constants are easily negatable.
6718 2010-01-20 Janis Johnson <janis187@us.ibm.com>
6719 Jason Merrill <jason@redhat.com>
6721 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
6722 (TYPE_TRANSPARENT_AGGR): this, for union and record.
6723 * calls.c (initialize argument_information): Handle it.
6724 * c-common.c (handle_transparent_union_attribute): Use new name.
6725 * c-decl.c (finish_struct): Ditto.
6726 * c-typeck.c (type_lists_compatible_p): Ditto.
6727 (convert_for_assignment): Use new name and also handle record.
6728 * function.c (aggregate_value_p): Handle it.
6729 (pass_by_reference): Ditto.
6730 (assign_parm_data_types): Ditto.
6731 * print-tree.c (print_node): Ditto.
6732 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
6733 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
6734 * tree.c (first_field): New fn.
6736 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6739 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
6740 even when linking statically, for now.
6742 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6745 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
6746 without a cselib val.
6747 (count_uses): Accept MO_VAL_SET with no val on stores.
6748 (add_stores): Likewise.
6750 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6752 * var-tracking.c (check_value_val): Add a compile time assertion.
6753 (dv_is_decl_p): Simplify.
6754 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
6755 gcc_assert if ENABLE_CHECKING.
6757 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6760 * var-tracking.c: Include tree-flow.h.
6761 (mem_dies_at_call): New.
6762 (dataflow_set_preserve_mem_locs): Use it.
6763 (dataflow_set_remove_mem_locs): Likewise.
6764 (dump_var): Renamed from dump_variable. Adjust all callers.
6765 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
6766 * Makefile.in (var-tracking.o): Adjust deps.
6768 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
6770 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
6772 2010-01-20 Richard Guenther <rguenther@suse.de>
6774 PR tree-optimization/42717
6775 * tree-ssa-dce.c (get_live_post_dom): Remove.
6776 (forward_edge_to_pdom): Take an arbitrary edge to copy
6777 degenerate PHI args from.
6778 (remove_dead_stmt): Use the first post-dominator even if it
6779 does not contain live statements as redirection destination.
6781 2010-01-20 Richard Guenther <rguenther@suse.de>
6783 * tree-inline.c (estimate_num_insns): Handle EH builtins.
6785 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6787 * sel-sched.c (create_speculation_check): Remove set but not used
6789 (try_transformation_cache): Remove set but not used variable ds.
6790 (calculate_privileged_insns): Remove set but not used variables
6791 cur_insn and min_spec_insn.
6792 (find_best_expr): Remove set but not used variable avail_n.
6793 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
6795 * cgraphunit.c (assemble_thunk): Remove set but not used variable
6797 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
6798 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
6801 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
6804 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
6805 cpu types. Add support for *-sse3 cpu types.
6806 (x86_64-*-*): Ditto.
6808 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6811 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
6812 argument, call initializer_constant_valid_p_1 instead of
6813 initializer_constant_valid_p, pass CACHE to it, return NULL
6814 immediately if first call returns NULL.
6815 (initializer_constant_valid_p_1): New function.
6816 (initializer_constant_valid_p): Use it.
6818 2010-01-20 Thomas Quinot <quinot@adacore.com>
6820 * tree.def (PLACEHOLDER_EXPR): Fix comment.
6822 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6824 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
6825 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
6826 (loc_list_from_tree): Don't handle unsigned division. Handle
6827 signed modulo using DW_OP_{over,over,div,mul,minus}.
6828 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
6829 modulo instead of signed.
6831 2010-01-20 DJ Delorie <dj@redhat.com>
6833 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
6835 (h8300_emit_stack_adjustment): Propogate it.
6837 (h8300_expand_prologue): Likewise.
6838 (h8300_expand_epilogue): Likewise.
6840 2010-01-19 Michael Matz <matz@suse.de>
6842 PR tree-optimization/41783
6843 * tree-data-ref.c (toplevel): Include flags.h.
6844 (dump_data_dependence_relation): Also dump the inputs if the
6845 result will be unknown.
6846 (split_constant_offset_1): Look through some conversions.
6847 * tree-predcom.c (determine_roots_comp): Restart a new chain if
6848 the offset from last element is too large.
6849 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
6850 (reassociate_to_the_same_stmt): Handle vector registers.
6851 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
6853 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
6854 wide_prolog_niters argument, emit widening instructions.
6855 (vect_do_peeling_for_alignment): Adjust caller, use widened
6856 variant of the iteration cound.
6857 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
6859 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6862 * config/arm/neon-testgen.m (emit_automatics): New parameter
6863 features. Adjust for Fixed_return_reg feature.
6864 (test_intrinsic): Call emit_automatics with new feature.
6865 * config/arm/neon.ml: Update copyright years.
6866 (features): New Fixed_return_reg feature.
6867 (ops): Update feature for Vget_low.
6869 2010-01-19 Jakub Jelinek <jakub@redhat.com>
6871 PR tree-optimization/42719
6872 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
6876 * fwprop.c (all_uses_available_at): Return false if def_set dest
6877 is a REG that is used in def_insn.
6879 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
6881 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
6883 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
6886 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
6888 * target.h (struct gcc_target) <secondary_reload>: Change type
6889 of last argument to secondary_reload_info *.
6891 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
6894 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
6895 memory references with unaligned offsets. Remove CQImode handling.
6896 (unaligned_memory_operand): Return 1 for memory references with
6897 unaligned offsets. Remove CQImode handling.
6899 2010-01-18 Richard Guenther <rguenther@suse.de>
6902 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
6905 2010-01-18 Richard Guenther <rguenther@suse.de>
6907 PR tree-optimization/42781
6908 * tree-ssa-structalias.c (find_what_var_points_to): Skip
6909 restrict processing only if the original variable was artificial.
6911 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
6913 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
6914 find number of popped argument bytes.
6916 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
6917 Fix the text that describes the return value for invalid insns.
6919 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
6921 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
6922 Clarify what 'cost of the -dependence' is. Fix quoting.
6924 * toplev.c (default_get_pch_validity): Rename argument to "sz".
6925 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
6927 2010-01-17 Jakub Jelinek <jakub@redhat.com>
6929 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6930 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
6932 2010-01-17 Richard Guenther <rguenther@suse.de>
6935 * function.c (split_complex_args): Take a VEC to modify.
6936 (assign_parms_augmented_arg_list): Build a VEC instead of
6937 a chain of PARM_DECLs.
6938 (assign_parms_unsplit_complex): Take a VEC of arguments.
6939 Do not fixup unmodified parms.
6940 (assign_parms): Deal with the VEC.
6941 (gimplify_parameters): Likewise.
6943 2010-01-17 Richard Guenther <rguenther@suse.de>
6945 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
6946 node existence check.
6947 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
6948 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
6949 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
6950 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
6951 (gimple_execute_on_growing_pred): Likewise.
6953 2010-01-17 Richard Guenther <rguenther@suse.de>
6955 PR tree-optimization/42773
6956 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
6957 (compute_antic_aux): Likewise.
6958 (compute_partial_antic_aux): Likewise.
6960 2010-01-17 Jie Zhang <jie.zhang@analog.com>
6963 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
6966 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
6968 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
6971 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
6972 Fix markup for strict argument.
6974 (TARGET_SCHED_REORDER2): Fix argument types.
6976 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
6977 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
6979 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
6980 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
6982 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
6985 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
6986 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
6987 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
6988 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
6989 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
6991 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
6993 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
6995 (TARGET_ASM_RELOC_RW_MASK): Add return type.
6996 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
6998 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
7000 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
7003 (TARGET_ASM_NAMED_SECTION): Fix argument list.
7005 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
7006 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
7008 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
7010 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
7012 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
7013 referring to it. Fix language.
7015 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
7017 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
7019 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
7021 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
7023 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
7024 '@var{stream}. Remove stray 'and'.
7026 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
7028 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
7030 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
7032 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
7033 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
7035 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
7036 Fix description of return value.
7037 Rename argument "sz" to "len."
7039 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
7040 Clarify meaning of 'true' return value.
7042 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
7044 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
7045 rep_mode versus mode_rep.
7047 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
7049 (TARGET_BUILTIN_DECL): Fix name.
7051 (TARGET_COMMUTATIVE_P): Fix type of first argument.
7053 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
7055 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
7057 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
7059 (TARGET_RELAXED_ORDERING): Use @deftypevr.
7061 (TARGET_GET_DRAP_RTX): Note that this is a hook.
7064 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
7065 Rename argument tm_fn to md_fn.
7067 (TARGET_OPTION_PRINT): Fix argument list.
7069 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
7072 * config/i386/i386.c (ix86_fixup_binary_operands):
7073 Revert FMA4 fixup of operands.
7075 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7078 * Makefile.in (write_entries_to_file, install-plugin):
7079 Use \012 instead of \n with tr.
7081 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
7083 * configure.ac (HAVE_AS_REF): New C macro.
7084 * configure: Regenerate.
7085 * config.in: Likewise.
7086 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
7088 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
7091 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
7093 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
7095 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
7097 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
7099 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
7101 (TARGET_IN_SMALL_DATA_P): Fix argument type.
7103 (TARGET_BINDS_LOCAL_P): Fix argument type.
7105 (TARGET_ASM_FILE_END): Use prototype.
7107 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
7109 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
7111 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
7113 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
7115 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
7116 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
7118 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
7119 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
7121 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
7122 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
7123 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
7124 (TARGET_ADDR_SPACE_CONVERT): Likewise.
7126 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
7128 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
7130 (TARGET_INIT_BUILTINS): Use prototype.
7132 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
7133 Put 'const char *' in braces. Fix parameter types.
7134 (TARGET_INVALID_CONVERSION): Fix parameter types.
7135 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
7136 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
7138 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
7141 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
7143 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
7145 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
7147 * doc/tm.texi (TARGET_HELP): Fix return type.
7149 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
7150 in braces. Fix argument types.
7152 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
7154 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
7156 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
7158 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
7159 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
7161 (TARGET_MANGLE_TYPE): Fix argument types.
7163 (TARGET_IRA_COVER_CLASSES): Use prototype.
7165 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
7167 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
7169 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
7171 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
7173 (TARGET_CALLEE_COPIES): Fix argument types.
7175 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
7177 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
7179 (TARGET_FUNCTION_VALUE): Fix argument types.
7181 (TARGET_RETURN_IN_MSB): Fix argument type.
7183 (TARGET_RETURN_IN_MEMORY): Fix argument types.
7185 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
7187 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
7189 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
7190 agree with return type.
7192 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
7194 2010-01-15 Jing Yu <jingyu@google.com>
7196 PR rtl-optimization/42691
7197 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
7198 a pseudo to a constant and are merged, and adjust comments.
7200 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
7202 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
7204 2010-01-15 Richard Guenther <rguenther@suse.de>
7207 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
7208 labels of computed or non-local gotos to the destination.
7209 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
7210 landing pad label is the first label.
7212 2010-01-15 Richard Guenther <rguenther@suse.de>
7214 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
7216 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
7219 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
7220 to allow generation of the xssqrtdp instruction on power7.
7221 (sqrtdf2_fpr): Ditto.
7223 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7226 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
7227 functions with noreturn attribute.
7230 * varasm.c (declare_weak): Add weak attribute to decl if it
7231 doesn't have one already.
7232 (assemble_external): Only add decls to weak_decls if they also
7233 have weak attribute.
7235 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
7237 * var-tracking.c (var_reg_delete): Don't delete the association
7238 between REGs and values or one-part variables if the register
7241 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7244 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
7245 because its first operand is a non-localized variable.
7247 2010-01-14 Martin Jambor <mjambor@suse.cz>
7249 PR tree-optimization/42706
7250 * tree-sra.c (encountered_recursive_call): New variable.
7251 (encountered_unchangable_recursive_call): Likewise.
7252 (sra_initialize): Initialize both new variables.
7253 (callsite_has_enough_arguments_p): New function.
7254 (scan_function): Call decl and flags check only for IPA-SRA, check
7255 whether there is a recursive call and whether it has enough arguments.
7256 (all_callers_have_enough_arguments_p): New function.
7257 (convert_callers): Look for recursive calls only when
7258 encountered_recursive_call is set.
7259 (ipa_early_sra): Bail out either if
7260 !all_callers_have_enough_arguments_p or
7261 encountered_unchangable_recursive_call.
7263 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7265 * sel-sched.c: Add 2010 to copyright years.
7266 * sel-sched-ir.c: Likewise.
7267 * sel-sched-ir.h: Likewise.
7269 2010-01-14 Martin Jambor <mjambor@suse.cz>
7271 PR tree-optimization/42714
7272 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
7273 constructors specially.
7275 2010-01-14 Andi Kleen <ak@linux.intel.com>
7277 * config/i386/drivers-i386.c (detect_caches_intel):
7278 Add l2sizekb parameter and fill in.
7279 (host_detect_local_cpu): Add l2sizekb, fill in.
7280 Add Atom small cache heuristic.
7282 2010-01-14 Andi Kleen <ak@linux.intel.com>
7284 * config/i386/drivers-i386.c (detect_caches_cpuid4):
7285 Add level3 parameter and fill in.
7286 (detect_caches_intel): Handle level3 cache.
7288 2010-01-14 Andi Kleen <ak@linux.intel.com>
7290 * config/i386/drivers-i386.c (host_detect_local_cpu):
7291 Fix core duo detection.
7293 2010-01-14 Andi Kleen <ak@linux.intel.com>
7295 * config/i386/drivers-i386.c (host_detect_local_cpu):
7298 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7300 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
7301 (rs6000_variable_issue_1): this. Use...
7302 (rs6000_variable_issue): here. Reimplement. Print debug info.
7304 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7306 * sel-sched-ir.c (sel_restore_other_notes): Rename to
7307 sel_restore_notes. Update all callers. Call reemit_notes
7310 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7312 PR rtl-optimization/42246
7313 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
7316 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7318 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
7319 all successors is the same as number of successors in current region.
7321 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7323 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
7324 to rename is not separable. Otherwise check that its LHS is not NULL.
7326 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7328 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
7330 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7332 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
7333 available registers when failed to discover LHS register class.
7334 Fix indentation. Update comment.
7336 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7337 Alexander Monakov <amonakov@ispras.ru>
7339 PR rtl-optimization/42389
7340 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
7342 (advance_state_on_fence): Likewise.
7343 (sel_target_adjust_priority): Print debug output only when
7344 sched_verbose >= 4, not 2.
7345 (get_expr_cost): Do not issue all unique insns on the next cycle.
7346 (fill_insns): Initialize can_issue_more from the value saved
7348 * sel-sched-ir.c (flist_add): New parameter issue_more.
7349 Init FENCE_ISSUE_MORE with it.
7350 (merge_fences): Likewise.
7351 (init_fences): Update call to flist_add.
7352 (add_to_fences, add_clean_fence_to_fences)
7353 (add_dirty_fence_to_fences): Likewise.
7354 (move_fence_to_fences): Update call to merge_fences.
7355 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
7357 * sel-sched-ir.h (struct _fence): New field issue_more.
7358 (FENCE_ISSUE_MORE): New accessor macro.
7360 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7362 PR rtl-optimization/42388
7363 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
7364 that have no predecessors nor successors. Do not call move_bb_info
7365 for empty blocks outside of current region.
7367 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7369 PR rtl-optimization/42294
7370 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
7371 * sel-sched.c (move_exprs_to_boundary): Transitively add all
7372 originators' originators.
7374 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7376 PR rtl-optimization/39453
7377 PR rtl-optimization/42246
7378 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
7380 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
7382 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7383 Alexander Monakov <amonakov@ispras.ru>
7386 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
7387 (maybe_tidy_empty_bb): ... here. Make static. Add new
7388 argument. Update all callers.
7389 (tidy_control_flow): ... and here. Recompute topological order
7390 of basic blocks in region if necessary.
7391 (sel_redirect_edge_and_branch): Change return type. Return true
7392 if topological order might have been invalidated.
7393 (purge_empty_blocks): Export and move from...
7394 * sel-sched.c (purge_empty_blocks): ... here.
7395 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
7396 (maybe_tidy_empty_bb): Delete prototype.
7397 (purge_empty_blocks): Declare.
7399 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7401 PR rtl-optimization/42249
7402 * sel-sched.c (try_replace_dest_reg): When chosen register
7403 and original register is the same, do not bail out early, but
7404 still check all original insns for validity of replacing destination
7405 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
7408 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7411 Port from no-undefined-overflow branch:
7412 2009-03-09 Richard Guenther <rguenther@suse.de>
7414 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
7416 2010-01-14 Richard Guenther <rguenther@suse.de>
7419 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
7421 2010-01-14 Ira Rosen <irar@il.ibm.com>
7423 PR tree-optimization/42709
7424 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
7425 as scalar type in creation of constant vector operand.
7427 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7430 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
7431 (check-parallel-%): Match `testsuite' directory component only
7434 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
7436 PR translation/39521
7437 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
7440 2010-01-13 Richard Guenther <rguenther@suse.de>
7442 PR tree-optimization/42730
7443 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
7446 2010-01-13 Steve Ellcey <sje@cup.hp.com>
7449 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
7450 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
7453 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
7455 * config/bfin/libgcc-bfin.ver: Regenerate based on current
7456 libgcc-std.ver. Add entries for ___smulsi3_highpart and
7457 ___umulsi3_highpart.
7459 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
7460 rather than schedule_insns if the pass is enabled.
7462 2010-01-13 Martin Jambor <mjambor@suse.cz>
7464 PR tree-optimization/42704
7465 * tree-sra.c (sra_modify_assign): Do not delete assignments to
7468 2010-01-13 Martin Jambor <mjambor@suse.cz>
7470 PR tree-optimization/42703
7471 * tree-sra.c (analyze_access_subtree): Check that we can build a
7472 reference to the original data within the aggregate.
7474 2010-01-13 Richard Guenther <rguenther@suse.de>
7476 PR tree-optimization/42705
7477 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
7479 2010-01-13 Richard Guenther <rguenther@suse.de>
7482 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
7484 2010-01-13 Jakub Jelinek <jakub@redhat.com>
7487 * var-tracking.c (values_to_unmark): New variable.
7488 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
7489 values_to_unmark vector. Moved body to...
7490 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
7491 instead queue it into values_to_unmark vector.
7492 (vt_find_locations): Free values_to_unmark vector.
7494 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
7496 * config/s390/s390.c (override_options): Set
7497 default of max-pending-list-length to 256
7499 2010-01-13 Richard Guenther <rguenther@suse.de>
7502 * tree-pass.h (PROP_gimple_lcx): New.
7503 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
7504 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
7505 before the final cleanup_eh.
7506 (dump_properties): Dump PROP_gimple_lcx.
7507 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
7508 (tree_lower_complex_O0): Remove.
7509 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
7510 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
7511 tree_lower_complex, schedule TODO_update_ssa.
7512 * lto-streamer-out.c (output_function): Stream the functions
7514 * lto-streamer-in.c (input_function): Likewise.
7515 (lto_read_body): Do not override them here.
7517 2010-01-12 Joseph Myers <joseph@codesourcery.com>
7520 * c-typeck.c (build_c_cast): Fold value cast to union type before
7521 wrapping it in a CONSTRUCTOR.
7523 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7525 PR rtl-optimization/42699
7526 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
7529 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7531 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7532 SUBTARGET_WARN_UNUSED_SPEC): Move ...
7533 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
7534 SUBTARGET_WARN_UNUSED_SPEC): ... here
7535 * config/mips/iris5.h (LIBGCC_SPEC): Define.
7537 2010-01-12 Julian Brown <julian@codesourcery.com>
7539 * config/arm/neon-schedgen.ml (Utils): Don't try to
7540 open missing module.
7541 (find_with_result): New.
7543 2010-01-12 Jakub Jelinek <jakub@redhat.com>
7546 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
7547 sharing when canonicalizing ({lt,ge}u (plus a b) b).
7549 PR tree-optimization/42645
7550 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
7551 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
7552 decl_map, set processing_debug_stmt to -1 and return name without
7555 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
7557 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
7558 binutils version, and reword target configuration description.
7560 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7562 * config/avr/avr.h (LINKER_NAME): Remove.
7564 2010-01-11 Janis Johnson <janis187@us.ibm.com>
7567 * config/rs6000/rs6000.c (rs6000_override_options): On targets
7568 that support VSX, warn for -mno-altivec if vsx is not disabled,
7571 2010-01-11 Joseph Myers <joseph@codesourcery.com>
7572 Shujing Zhao <pearly.zhao@oracle.com>
7574 PR translation/42469
7575 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
7576 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
7577 character between option name and help text.
7578 * c.opt (imultilib): Likewise.
7580 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
7582 * lto-streamer-out.c (output_unreferenced_globals): Output static
7585 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
7587 PR rtl-optimization/42621
7588 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
7589 optimizing for size.
7590 (duplicate_computed_gotos): Remove now-redundant check.
7592 2010-01-10 Steve Ellcey <sje@cup.hp.com>
7595 * configure.ac: Save and restore LDFLAGS and LIBS
7596 * configure: Regenerate.
7598 2010-01-10 Richard Guenther <rguenther@suse.de>
7601 * builtins.c (fold_builtin_strlen): Add type argument and
7602 convert the resulting length to it.
7603 (fold_builtin_1): Adjust.
7605 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7607 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
7608 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
7610 (num_insns_constant_wide): Adjust for that change.
7612 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7615 * web.c (union_defs): Add used argument, to combine uses of
7617 (entry_register): Adjust type and tests of used argument.
7618 (web_main): Widen used for new use. Pass it to union_defs.
7619 * df.h (union_defs): Adjust prototype.
7621 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7624 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
7625 uses in new incoming argument. Free body.
7626 (reset_debug_uses_in_loop): New.
7627 (analyze_insn_to_expand_var): Call the latter if the former found
7628 anything. Fix whitespace. Reject invalid dest overlaps before
7629 going through all insns in the loop.
7631 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7634 * haifa-sched.c (dying_use_p): Debug insns don't count.
7636 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7639 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
7640 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
7641 (verify_gimple_call): Reject LHS in noreturn calls.
7643 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7647 * tree-vect-loop-manip.c (adjust_info): New type.
7648 (adjust_vec): New pointer to vector.
7649 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
7650 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
7651 (slpeel_update_phis_for_duplicate_loop): Use them.
7652 (slpeel_update_phi_nodes_for_guard1): Likewise.
7653 (slpeel_update_phi_nodes_for_guard2): Likewise.
7654 (slpeel_tree_peel_loop_to_edge): Likewise.
7655 (vect_update_ivs_after_vectorizer): Likewise.
7657 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7659 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
7660 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
7662 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
7664 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
7665 bogus uninitialized warning.
7667 2010-01-09 Richard Guenther <rguenther@suse.de>
7670 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
7671 the evolution is compatible with the initial condition.
7673 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7675 * gcc.c (process_command): Update copyright notice dates.
7676 * gcov.c (print_version): Likewise.
7677 * gcov-dump.c (print_version): Likewise.
7678 * mips-tfile.c (main): Likewise.
7679 * mips-tdump.c (main): Likewise.
7681 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7684 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
7686 (rotlhi3_8): Delete.
7688 (rotlsi3_8): Delete.
7689 (rotlsi3_16): Delete.
7690 (rotlsi3_24): Delete.
7692 (*rotw<mode>3): New.
7693 (*rotb<mode>3): New.
7694 * config/avr/avr.c (avr_rotate_bytes): New function.
7695 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
7697 2010-01-08 Steve Ellcey <sje@cup.hp.com>
7700 * configure.ac: Modify -rdynamic check.
7701 * configure: Regenerate.
7703 2010-01-08 DJ Delorie <dj@redhat.com>
7705 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
7706 register popping order.
7708 2010-01-08 Richard Guenther <rguenther@suse.de>
7711 * c.opt (fsigned-char): Also let LTO handle this option.
7712 (funsigned-char): Likewise.
7714 2010-01-07 Richard Guenther <rguenther@suse.de>
7716 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
7717 (gimple_op): Likewise.
7718 (gimple_op_ptr): Likewise.
7719 (gimple_assign_set_lhs): Remove gcc_assert.
7720 (gimple_assign_set_rhs1): Likewise.
7721 (gimple_assign_set_rhs2): Likewise.
7722 (gimple_call_set_lhs): Likewise.
7723 (gimple_call_set_fn): Likewise.
7724 (gimple_call_set_fndecl): Likewise.
7725 (gimple_call_fndecl): Likewise.
7726 (gimple_call_return_type): Likewise.
7727 (gimple_call_set_chain): Likewise.
7728 (gimple_call_num_args): Likewise.
7729 (gimple_call_set_arg): Likewise.
7730 (gimple_cond_set_code): Likewise.
7731 (gimple_cond_set_lhs): Likewise.
7732 (gimple_cond_set_rhs): Likewise.
7733 (gimple_cond_set_true_label): Likewise.
7734 (gimple_cond_set_false_label): Likewise.
7735 (gimple_label_set_label): Likewise.
7736 (gimple_goto_set_dest): Likewise.
7737 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
7738 (gimple_debug_bind_get_value): Likewise.
7739 (gimple_debug_bind_get_value_ptr): Likewise.
7740 (gimple_debug_bind_set_var): Likewise.
7741 (gimple_debug_bind_set_value): Likewise.
7742 (gimple_debug_bind_reset_value): Likewise.
7743 (gimple_debug_bind_has_value_p): Likewise.
7744 (gimple_return_retval_ptr): Remove gcc_assert.
7745 (gimple_return_retval): Likewise.
7746 (gimple_return_set_retval): Likewise.
7747 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
7748 (safe_referenced_var_iterator): Remove.
7749 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
7750 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
7751 (fill_referenced_var_vec): Remove.
7752 (first_readonly_imm_use): Remove redundant gcc_assert.
7753 (phi_arg_index_from_use): Combine gcc_asserts.
7754 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
7755 (first_imm_use_stmt): Remove redundant gcc_assert.
7756 * tree-cfg.c (verify_gimple_call): Verify function and chain
7757 operands. Verify arguments.
7758 (verify_types_in_gimple_stmt): Verify condition code and labels.
7760 2010-01-07 Richard Guenther <rguenther@suse.de>
7762 PR tree-optimization/42641
7763 * sese.c (rename_map_elt_info): Use the SSA name version, do
7766 2010-01-07 Jakub Jelinek <jakub@redhat.com>
7768 PR tree-optimization/42625
7769 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
7770 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
7772 2010-01-07 Duncan Sands <baldrick@free.fr>
7774 * Makefile.in (PLUGIN_HEADERS): Add version.h.
7776 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
7779 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
7780 note itself is not function_invariant_p.
7782 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
7784 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
7785 Do not add the DF_NOTE problem.
7786 * store-motion.c (execute_rtl_store_motion): Likewise.
7788 2010-01-07 Martin Jambor <mjambor@suse.cz>
7790 PR tree-optimization/42157
7791 * tree-sra.c (compare_access_positions): Stabilize sort if both
7792 accesses have integer types, return zero immediately if they are the
7795 2010-01-06 Richard Henderson <rth@redhat.com>
7798 * haifa-sched.c (add_to_note_list): Merge into ...
7799 (concat_note_lists): ... here, and ...
7800 (unlink_other_notes, rm_other_notes): Merge into...
7801 (remove_notes): ... here. Create REG_SAVE_NOTEs for
7802 NOTE_INSN_EPILOGUE_BEG.
7804 2010-01-06 Richard Guenther <rguenther@suse.de>
7806 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
7807 not inline regular functions into always-inline functions.
7809 2010-01-06 Nick Clifton <nickc@redhat.com>
7811 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
7812 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
7814 (OVERRIDE_OPTIONS): Delete.
7815 (OPTIMIZATION_OPTIONS): Define.
7816 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
7817 * config/rx/rx.c (rx_handle_option): Issue an error message if
7818 -mcpu=rx200 and -fpu are used together.
7819 (rx_set_optimization_options): New function. Issue an error
7820 message if an optimization attribute attempts to reset the FPU/
7821 math optimization pairing.
7822 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
7823 * config/rx/rx.opt: Set the default to 32-bit doubles.
7824 * config/rx/t-rx: Add multilibs for -nofpu option.
7825 * doc/invoke.texi: Update documentation of RX options.
7827 2010-01-06 Richard Guenther <rguenther@suse.de>
7829 * tree-ssa-pre.c (name_to_id): New global.
7830 (alloc_expression_id): Simplify SSA name handling.
7831 (lookup_expression_id): Likewise.
7832 (init_pre): Zero name_to_id.
7833 (fini_pre): Free it.
7835 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
7837 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
7839 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
7842 * config/i386/sse.md (smaxv2di3): New.
7843 (umaxv2di3): Likewise.
7844 (sminv2di3): Likewise.
7845 (uminv2di3): Likewise.
7847 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
7850 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
7851 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
7852 (legitimize_tls_address): Likewise.
7853 (sparc_tls_referenced_p): Likewise.
7854 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
7855 and adjust calls to legitimize_pic_address.
7856 (legitimate_constant_p) Use sparc_tls_referenced_p.
7857 (legitimate_pic_operand_p): Likewise.
7858 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
7859 (sparc_tls_symbol_ref_1): Delete.
7860 (sparc_tls_referenced_p): Make static, recognize specific patterns.
7861 (legitimize_tls_address): Make static, handle CONST patterns.
7862 (legitimize_pic_address): Make static, remove unused parameter and
7863 adjust recursive calls.
7864 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
7865 and adjust call to legitimize_pic_address.
7866 (sparc_output_mi_thunk): Likewise.
7868 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
7869 H.J. Lu <hongjiu.lu@intel.com>
7872 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
7873 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
7874 operands to make them signed.
7877 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7880 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7881 GTU to GT for V4SI and V2DI.
7883 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7884 (umin<mode>3): Removed.
7886 (uminv4si3): Likewise.
7888 2010-01-05 Martin Jambor <mjambor@suse.cz>
7890 PR tree-optimization/42462
7891 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
7892 current_function_decl to helper functions and macros.
7894 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7897 * flags.h: Don't include real.h.
7898 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
7899 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
7900 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
7901 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
7902 * dominance.c: Update copyright.
7903 * gimple.c (walk_gimple_op): Remove inline.
7904 * tree-ssa-reassoc.c: Include real.h.
7905 * Makefile.in (FLAGS_H): Remove $(REAL_H).
7906 (tree-ssa-reassoc.o): Depend on $(REAL_H).
7908 2010-01-05 Nick Clifton <nickc@redhat.com>
7910 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
7911 register to push into the stack frame when the accumulator has to
7912 be saved during interrupts.
7914 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
7916 * doc/invoke.texi: Remove the documentation about option
7918 * common.opt (Wunreachable-code): Preserved for backward
7920 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
7921 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
7922 the backward compatibility flag section.
7924 2010-01-05 Richard Guenther <rguenther@suse.de>
7926 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
7928 2010-01-05 Jakub Jelinek <jakub@redhat.com>
7931 * cfgexpand.c (expand_one_var): Diagnose too large variables.
7933 PR tree-optimization/42508
7934 * tree-sra.c (convert_callers): Check for recursive call
7935 by comparing cgraph nodes instead of decls.
7936 (modify_function): Call ipa_modify_formal_parameters also
7937 on all same_body aliases.
7939 * cgraphunit.c (cgraph_materialize_all_clones): Compare
7940 cgraph nodes when checking for same_body aliases.
7942 2010-01-05 Richard Guenther <rguenther@suse.de>
7944 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
7945 allocation and lookup.
7946 (get_or_alloc_expr_for_constant): Likewise.
7947 (phi_translate): Sink allocation.
7949 2010-01-04 Richard Guenther <rguenther@suse.de>
7951 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
7952 a new entry only if needed.
7953 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
7954 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
7956 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
7958 (phi_translate): Handle CONSTANTs early.
7960 2010-01-04 Martin Jambor <mjambor@suse.cz>
7962 PR tree-optimization/42398
7963 * tree-sra.c (struct access): Removed flag grp_different_types.
7964 (dump_access): Do not dump the removed flag.
7965 (sort_and_splice_var_accesses): Do not set the removed flag.
7966 (sra_modify_expr): Check for type compatibility directly.
7968 2010-01-04 Martin Jambor <mjambor@suse.cz>
7970 PR tree-optimization/42366
7971 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
7972 edges with variable number of parameters.
7973 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
7974 flag instead of asserting it.
7975 (ipa_read_node_info): Read uses_analysis_done flag.
7977 2010-01-04 Richard Guenther <rguenther@suse.de>
7979 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
7980 iterative_hash_* as intended.
7981 (vn_reference_compute_hash): Likewise. Simplify hashing
7983 (vn_reference_lookup_2): Likewise.
7984 (vn_nary_op_compute_hash): Likewise.
7985 (vn_phi_compute_hash): Likewise.
7986 (expressions_equal_p): Remove strange code.
7987 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
7988 (pre_expr_hash): Likewise. Simplify hashing SSA names.
7989 (bitmap_insert_into_set_1): Take value-id as parameter.
7990 (add_to_value): Pass it.
7991 (bitmap_insert_into_set): Likewise.
7992 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
7994 2010-01-04 Jakub Jelinek <jakub@redhat.com>
7997 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
7998 (do_self_spec): For switches with SWITCH_IGNORE set set also
7999 SWITCH_IGNORE_PERMANENTLY.
8000 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
8003 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
8005 * lto-streamer-out.c (output_unreferenced_globals): Output the full
8006 tree of an unreferenced global var.
8008 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8011 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8012 GTU to GT for V4SI and V2DI.
8014 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8015 (umin<mode>3): Removed.
8017 (uminv4si3): Likewise.
8019 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8022 * collect2.c (main): Turn on trace in collect2 if -v is passed
8025 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
8027 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
8028 description of expression operand.
8030 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
8032 * configure.ac: Add install-html to target_list for Make-hooks.
8033 * configure: Regenerate.
8034 * fortran/Make-lang.in (F95_HTMLFILES): New.
8035 (fortran.html): Use it.
8036 (fortran.install-html): New.
8037 * Makefile.in (install-html): Add lang.install-html.
8038 * java/Make-lang.in (JAVA_HTMLFILES): New.
8039 (java.html): Use it.
8040 (java.install-html): New.
8041 * objc/Make-lang.in (objc.install-html): New.
8042 * objcp/Make-lang.in (obj-c++.install-html): New.
8043 * cp/Make-lang.in (c++.install-html): New.
8044 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
8045 * lto/Make-lang.in (lto.install-html): New.
8047 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8050 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
8052 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
8054 PR rtl-optimization/41862
8055 * store-motion.c (store_killed_in_insn, compute_store_table,
8056 remove_reachable_equiv_notes, replace_store_insn,
8057 build_store_vectors): Ignore all DEBUG_INSNs.
8059 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8062 * common.opt: Add dumpdir.
8064 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
8066 (option_map): Add --dumpdir.
8068 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
8070 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
8072 * opts.c (decode_options): Try dump_dir_name first if
8073 dump_base_name isn't an absolute path.
8074 (common_handle_option): Handle OPT_dumpdir.
8076 * toplev.c (dump_dir_name): New.
8077 (print_switch_values): Also ignore -dumpdir.
8079 * toplev.h (dump_dir_name): New.
8081 2010-01-03 Richard Guenther <rguenther@suse.de>
8083 PR tree-optimization/42589
8084 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
8085 double-word expansion of bswap32.
8087 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
8089 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
8090 with BLOCK_FOR_INSN.
8091 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
8092 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
8093 noce_process_if_block): Likewise.
8094 * gcse.c (compute_local_properties, insert_expr_in_table,
8095 insert_set_in_table, canon_list_insert, find_avail_set,
8096 pre_insert_copy_insn): Likewise.
8098 * basic-block.h (BLOCK_NUM): Move from here...
8099 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
8101 2010-01-03 Richard Guenther <rguenther@suse.de>
8103 PR tree-optimization/42438
8104 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
8105 contains_may_not_return_call flag.
8106 (BB_MAY_NOTRETURN): New.
8107 (valid_in_sets): Trapping nary operations are not valid
8108 in blocks that may not return.
8109 (insert_into_preds_of_block): Remove check for trapping expressions.
8110 (compute_avail): Compute also BB_MAY_NOTRETURN.
8112 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
8114 * doc/invoke.texi: Add 2010 to copyright years.
8116 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
8118 * config/sparc/sparc.c: Fix formatting nits.
8120 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
8121 Alexander Monakov <amonakov@ispras.ru>
8123 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
8125 2010-01-02 Richard Guenther <rguenther@suse.de>
8128 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
8129 (simplify_switch_using_ranges): Mark to be removed edges
8132 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8134 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
8136 * collect2.c (scan_libraries): Add missing argument in call to
8139 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
8142 * config/alpha/predicates.md (aligned_memory_operand): Return false
8144 (unaligned_memory_operand): Return true for CQImode.
8145 * config/alpha/alpha.c (get_aligned_mem): Assert that location
8146 doesn not cross aligned SImode word boundary.
8148 2010-01-02 Anatoly Sokolov <aesok@post.ru>
8150 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
8152 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
8153 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
8155 2010-01-02 Richard Guenther <rguenther@suse.de>
8158 * toplev.c (compile_file): Emit LTO marker properly. Change
8160 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
8162 2010-01-01 Richard Guenther <rguenther@suse.de>
8165 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
8167 2010-01-01 Richard Guenther <rguenther@suse.de>
8170 * c-decl.c (grokdeclarator): For zero-size arrays force
8171 structural equality checks as layout_type does.
8173 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8175 * builtins.c: Update copyright to 2010.
8177 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8180 * lto-streamer-out.c (produce_asm): Revert the last change.
8181 (copy_function): Likewise.
8183 * lto-streamer.c (lto_get_section_name): Skip any leading
8186 2010-01-01 Richard Guenther <rguenther@suse.de>
8189 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
8193 Copyright (C) 2010 Free Software Foundation, Inc.
8195 Copying and distribution of this file, with or without modification,
8196 are permitted in any medium without royalty provided the copyright
8197 notice and this notice are preserved.