1 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
3 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
6 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
9 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
10 only if HONOR_REG_ALLOC_ORDER is not defined.
12 2010-05-04 Richard Guenther <rguenther@suse.de>
14 PR tree-optimization/43949
15 * tree-vrp.c (extract_range_from_binary_expr): Only handle
18 2010-04-26 Jason Merrill <jason@redhat.com>
20 * c.opt (-fstrict-enums): New.
21 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
23 2010-05-03 David Ung <davidu@mips.com>
24 James E. Wilson <wilson@codesourcery.com>
26 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
27 emit the trap instruction before the divide for TUNE_74K.
29 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
31 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
32 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
33 based on the above, for new target hook.
35 * hooks.c (hook_bool_mode_true): New generic hook.
36 * hooks.h (hook_bool_mode_true): Add prototype.
38 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
40 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
41 target hook, set to hook_bool_mode_false.
42 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
43 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
44 with targetm.small_register_classes_for_mode_p.
45 (find_reusable_reload): Likewise.
46 (combine_reloads): Likewise.
47 * reload1.c (reload_as_needed): Likewise.
48 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
49 * ifcvt.c (noce_process_if_block, check_cond_move_block,
50 dead_or_predicable): Likewise.
51 * regmove.c (optimize_reg_copy_1): Likewise.
52 * calls.c (prepare_call_address): Likewise.
53 (precompute_register_parameters): Likewise.
55 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
57 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
58 implementation of the hook that considers all register classes
59 small except for SH64.
60 (sh_override_options): Use the new hook.
61 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
64 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
66 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
67 implementation of the hook that considers all register classes
69 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
72 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
74 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
75 implementation of the hook that considers all register classes
77 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
80 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
82 * config/m32c/m32c.h: Likewise.
83 * config/pdp11/pdp11.h: Likewise.
84 * config/avr/avr.h: Likewise.
85 * config/xtensa/xtensa.h: Likewise.
86 * config/m68hc11/m68hc11.h: Likewise.
87 * config/mn10300/mn10300.h: Likewise.
88 * config/mcore/mcore.h: Likewise.
89 * config/h8300/h8300.h: Likewise.
90 * config/bfin/bfin.h: Likewise.
92 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
93 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
95 2010-05-03 Anatoly Sokolov <aesok@post.ru>
97 * double-int.h (tree_to_double_int): Remove macro.
98 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
99 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
100 (tree_to_double_int): New function.
101 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
103 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
105 2010-05-03 Richard Guenther <rguenther@suse.de>
107 PR tree-optimization/43971
108 * tree-ssa-structalias.c (get_constraint_for_1): Fix
109 constraints in the !flag_delete_null_pointer_checks case.
111 2010-05-03 Jakub Jelinek <jakub@redhat.com>
114 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
115 result mode matches original rtl mode.
117 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
120 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
122 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
124 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
125 when processing flag options.
127 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
129 * gcov-iov.c (main): Change format string placeholder
130 from %#08x to 0x%08x.
131 * genchecksum.c (dosum): Change format string placeholder
132 from %#02x to 0x%02x.
134 2010-05-02 Richard Guenther <rguenther@suse.de>
136 PR tree-optimization/43879
137 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
139 2010-05-02 Bruno Haible <bruno@clisp.org>
141 * doc/extend.texi (Function Attributes): Fix a typo.
143 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
146 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
147 placeholder from 0x%x to %#x.
148 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
149 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
150 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
151 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
152 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
153 * config/i386/i386.c (ix86_target_string): Ditto.
154 * config/i386/i386.c (output_pic_addr_const): Ditto.
155 (print_operand): Ditto.
157 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
159 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
160 placeholder from 0x%x to %#x.
161 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
162 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
163 (ASM_OUTPUT_DEBUG_DATA): Ditto.
164 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
165 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
166 * optc-gen.awk: Ditto.
167 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
168 (HOST_WIDE_INT_PRINT_HEX): Ditto.
169 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
170 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
172 2010-05-01 Anatoly Sokolov <aesok@post.ru>
174 * target.h (struct calls): Add function_value_regno_p field.
175 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
176 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
177 * targhooks.c (default_function_value_regno_p): New function.
178 * targhooks.h (default_function_value_regno_p): Declare function.
179 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
180 * builtins.c. (apply_result_size): (Ditto.).
181 * combine.c. (likely_spilled_retval_p): (Ditto.).
182 * mode-switching.c. Include 'target.h'.
183 (create_pre_exit): Use function_value_regno_p hook.
184 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
185 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
186 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
188 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
189 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
190 (ix86_function_value_regno_p): Declare as static, change argument
191 type to const unsigned int.
192 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
194 2010-05-01 Richard Guenther <rguenther@suse.de>
196 PR tree-optimization/43949
197 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
199 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
201 2010-05-01 Anatoly Sokolov <aesok@post.ru>
203 * rtl.h (CONST_DOUBLE_P): Define.
204 (rtx_to_double_int): Declare.
205 * emit-rtl.c (rtx_to_double_int): New function.
206 * dwarf2out.c (insert_double): New function.
207 (loc_descriptor, add_const_value_attribute): Clean up, use
208 rtx_to_double_int and insert_double functions.
210 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
212 * doc/extend.texi (Inline): Add missing return keyword to examples.
213 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
216 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
218 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
219 the variable part of the offset as well. Use highest_pow2_factor for
220 all alignment checks.
222 2010-04-30 Richard Guenther <rguenther@suse.de>
224 PR tree-optimization/43879
225 * tree-ssa-structalias.c (type_could_have_pointers): Functions
228 2010-04-30 Jan Hubicka <jh@suse.cz>
230 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
232 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
234 2010-04-30 Jan Hubicka <jh@suse.cz>
236 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
238 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
239 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
240 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
241 cgraph_node_set_needs_ltrans_p): Remove.
243 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
245 * sdbout.c: Include vec.h, do not include varray.h.
246 (deferred_global_decls, sdbout_global_decl,
247 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
248 * toplev.c: Do not include varray.h.
249 (dump_memory_report): Do not dump VARRAY statistics.
250 * gengtype.c (open_base_file): Ignore varray.h.
251 * Makefile.in: Update for abovementioned changes.
252 Remove all traces of varray.c and varray.h.
253 * varray.c: Remove file.
254 * varray.h: Remove file.
256 2010-04-30 Jan Hubicka <jh@suse.cz>
258 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
261 2010-04-30 Jan Hubicka <jh@suse.cz>
263 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
266 2010-04-30 Richard Guenther <rguenther@suse.de>
268 * tree-ssa-structalias.c (get_constraint_for_1): Generate
269 constraints for CONSTRUCTOR.
271 2010-04-30 Richard Guenther <rguenther@suse.de>
274 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
275 first after all lowering passes.
277 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
279 * toplev.c: Include varray.h for statistics dumping.
280 * tree.h: Do not declare varray_head_tag.
281 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
282 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
283 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
284 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
285 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
286 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
287 c-common.c, c-common.h, reg-stack.c, basic-block.h,
288 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
290 * Makefile.in: Update for abovementioned changes.
292 2010-04-30 Jakub Jelinek <jakub@redhat.com>
295 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
297 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
299 * config/picochip/picochip.c (picochip_legitimize_address): Define.
300 Use this function to do machine-specific conversion.
301 (picochip_legitimize_reload_address): Likewise.
302 (picochip_legitimate_address_p): Check valid base register only if
304 (picochip_check_conditional_copy): Check for modw only if opnd is
306 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
307 to call the function in c.
308 * config/picochip/picochip-protos.h
309 (picochip_legitimize_reload_address): Define.
310 * config/picochip/picochip.md (supported_compare1): Define.
312 2010-04-30 Jan Hubicka <jh@suse.cz>
314 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
315 (cgraph_global_info): Remove inlined.
316 (LTO_cgraph_tag_names): Remove.
317 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
318 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
319 simplify cgraph tags and document.
320 (lto_output_node): Use only LTO_cgraph_unavail_node and
321 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
322 for_functions_valid, global info, process and output flags.
323 (input_overwrite_node): Initialize estimated stack size and
324 estimated growth. Do not read flags we no longer store.
325 (input_node): Likewise do not read info no longer stored.
326 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
329 2010-04-30 Richard Guenther <rguenther@suse.de>
331 PR tree-optimization/43879
332 * tree-ssa-structalias.c (get_constraint_for_1): Properly
333 handle non-zero initializers.
335 2010-04-30 Richard Guenther <rguenther@suse.de>
337 * builtins.c (fold_builtin_1): Delete free (0).
339 2010-04-29 Jan Hubicka <jh@suse.cz>
341 * gengtype.c (open_base_files): Add lto-streamer.h
342 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
343 (pass_ipa_cp): GGC collect.
344 * toplev. (compile_file): Do not output symbols.
345 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
346 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
347 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
348 * lto-section-in.c: Include ggc.h
349 (lto_new_in_decl_state): Alloc in GGC.
350 (lto_delete_in_decl_state): Likewise.
351 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
354 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
357 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
358 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
359 (HONOR_REG_ALLOC_ORDER): Describe new macro.
360 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
361 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
362 account only if HONOR_REG_ALLOC_ORDER is not defined.
363 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
364 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
366 2010-04-29 Jon Grant <04@jguk.org>
368 * collect2.c (vflag): Change type from int to bool.
370 (helpflag): New global bool.
371 (main): Set vflag and debug with boolean, not integer truth values.
372 Accept new "--help" option and output usage text if found.
373 * collect2.h (vflag): Update prototype.
376 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
379 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
381 2010-04-29 Richard Guenther <rguenther@suse.de>
384 * plugin.h (invoke_plugin_callbacks): Annotate arguments
385 with ATTRIBUTE_UNUSED.
387 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
390 * config/i386/i386.c (get_some_local_dynamic_name): Replace
391 INSN_P with NONDEBUG_INSN_P.
392 (distance_non_agu_define): Likewise.
393 (distance_agu_use): Likewise.
395 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
397 From Dominique d'Humieres <dominiq@lps.ens.fr>
399 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
402 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
404 * plugin.h (invoke_plugin_callbacks): New inline function.
405 * plugin.c (flag_plugin_added): New global flag.
406 (add_new_plugin): Initialize above flag.
407 (invoke_plugin_callbacks): Rename to ...
408 (invoke_plugin_callbacks_full): ... this.
410 2010-04-28 Jan Hubicka <jh@suse.cz>
412 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
413 (lto_varpool_replace_node): New.
414 (lto_symtab_resolve_symbols): Resolve varpool nodes.
415 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
416 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
417 * cgraph.h (varpool_node_ptr): New type.
418 (varpool_node_ptr): New vector.
419 (varpool_node_set_def): New structure.
420 (varpool_node_set): New type.
421 (varpool_node_set): New vector.
422 (varpool_node_set_element_def): New structure.
423 (varpool_node_set_element, const_varpool_node_set_element): New types.
424 (varpool_node_set_iterator): New type.
425 (varpool_node): Add prev pointers, add used_from_other_partition,
427 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
428 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
429 varpool_get_node, varpool_remove_node): Declare.
430 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
431 varpool_node_set_size): New inlines.
432 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
433 * tree-pass.h (varpool_node_set_def): Forward declare.
434 (ipa_opt_pass_d): Summary writting takes vnode sets too.
435 (ipa_write_optimization_summaries): Update prototype.
436 * ipa-cp.c (ipcp_write_summary): Update.
437 * ipa-reference.c (ipa_reference_write_summary): Update.
438 * lto-cgraph.c (lto_output_varpool_node): New static function.
439 (output_varpool): New function.
440 (input_varpool_node): New static function.
441 (input_varpool_1): New function.
442 (input_cgraph): Input varpool.
443 * ipa-pure-const.c (pure_const_write_summary): Update.
444 * lto-streamer-out.c (lto_output): Update, output varpool too.
445 (write_global_stream): Kill WPA hack.
446 (produce_asm_for_decls): Update.
447 (output_alias_pair_p): Handle variables.
448 (output_unreferenced_globals): Output only needed partition of varpool.
449 * ipa-inline.c (inline_write_summary): Update.
450 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
452 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
453 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
454 varpool_node_set_new, varpool_node_set_add,
455 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
456 debug_varpool_node_set): New functions.
457 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
458 (execute_one_pass): Process new decls too.
459 (ipa_write_summaries_2): Pass around vsets.
460 (ipa_write_summaries_1): Likewise.
461 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
463 (ipa_write_optimization_summaries_1): Pass around vsets.
464 (ipa_write_optimization_summaries): Likewise.
465 * varpool.c (varpool_get_node): New.
466 (varpool_node): Update doubly linked lists.
467 (varpool_remove_node): New.
468 (dump_varpool_node): More dumping.
469 (varpool_enqueue_needed_node): Update doubly linked lists.
470 (decide_is_variable_needed): Kill ltrans hack.
471 (varpool_finalize_decl): Kill lto hack.
472 (varpool_assemble_decl): Skip decls in other partitions.
473 (varpool_assemble_pending_decls): Update doubly linkes lists.
474 (varpool_empty_needed_queue): Likewise.
475 (varpool_extra_name_alias): Likewise.
476 * lto-streamer.c (lto_get_section_name): Add vars section.
477 * lto-streamer.h (lto_section_type): Update.
478 (output_varpool, input_varpool): Declare.
480 2010-04-28 Mike Stump <mikestump@comcast.net>
482 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
484 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
486 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
487 record or union type with RECORD_OR_UNION_TYPE_P predicate.
488 (lto_input_ts_type_tree_pointers): Likewise.
489 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
490 (lto_output_ts_type_tree_pointers): Likewise.
492 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
494 Uniquization of constants at the Tree level
495 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
496 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
498 (tree_output_constant_def): Declare.
499 * gimplify.c (gimplify_init_constructor): When using block copy, first
500 uniquize the constant constructor on the RHS.
501 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
502 DECL_IN_CONSTANT_POOL flag.
503 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
504 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
506 (assemble_variable): Deal with symbols belonging to the tree constant
508 (get_constant_section): Add ALIGN parameter and simplify.
509 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
510 (assemble_constant_contents): Use the expression of the VAR_DECL.
511 (output_constant_def_contents): Use the alignment of the VAR_DECL.
512 (tree_output_constant_def): New global function.
513 (mark_constant): Use the expression of the VAR_DECL.
514 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
516 (output_object_block): Likewise and assemble the expression.
518 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
520 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
521 hash_tree, eq_tree): New tree hash table.
522 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
523 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
524 lto_orig_address_remove): Reimplement.
526 2010-04-28 Xinliang David Li <davidxl@google.com>
529 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
530 (compute_uninit_opnds_pos): New function.
531 (is_non_loop_exit_postdominating): New function.
532 (compute_control_dep_chain): New function.
533 (find_pdom): New function.
534 (convert_control_dep_chain_into_preds): New function.
535 (find_predicates): New function.
536 (find_control_equiv_block): New function.
537 (collect_phi_def_edges): New function.
538 (find_def_preds): New function.
539 (find_dom): New function.
540 (dump_predicates): New function.
541 (get_cmp_code): New function.
542 (is_value_included_in): New function.
543 (find_matching_predicate_in_rest_chains): New function.
544 (use_pred_not_overlap_with_undef_path_pred): New function.
545 (is_use_properly_guarded): New function.
546 (normalize_cond_1): New function.
547 (is_and_or_or): New function.
548 (normalize_cond): New function.
549 (is_gcond_subset_of): New function.
550 (is_subset_of_any): New function.
551 (is_or_set_subset_of): New function.
552 (is_and_set_subset_of): New function.
553 (is_norm_cond_subset_of): New function.
554 (is_pred_expr_subset_of): New function.
555 (is_pred_chain_subset_of): New function.
556 (is_included_in): New function.
557 (is_superset_of): New function.
558 (find_uninit_use): New function.
559 (warn_uninitialized_phi): New function.
560 (compute_possibly_undefined_names): New function.
561 (ssa_undefined_value_p): New function.
562 (execute_late_warn_uninitialized): New function.
563 * tree-ssa.c (ssa_undefined_value_p): Removed.
564 (warn_uninit): Changed to extern.
565 (warn_uninitialized_phi): Removed.
566 (warn_uninitialized_vars): Changed to extern.
567 (execute_late_warn_uninitialized): Removed
568 * tree-flow.h: Add new prototypes.
569 * timevar.def: Add new time variable.
570 * Makefile.in: Add new build file.
572 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
574 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
577 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
580 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
582 2010-04-28 Martin Jambor <mjambor@suse.cz>
584 * cgraph.h (struct cgraph_node): New field indirect_calls.
585 (struct cgraph_indirect_call_info): New type.
586 (struct cgraph_edge): Removed field indirect_call. New fields
587 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
588 (cgraph_create_indirect_edge): Declare.
589 (cgraph_make_edge_direct): Likewise.
590 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
591 * ipa-prop.h (struct ipa_param_call_note): Removed.
592 (struct ipa_node_params): Removed field param_calls.
593 (ipa_create_all_structures_for_iinln): Declare.
594 * cgraph.c: Described indirect edges and uids in initial comment.
595 (cgraph_add_edge_to_call_site_hash): New function.
596 (cgraph_edge): Search also among the indirect edges, use
597 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
598 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
599 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
601 (initialize_inline_failed): Assign a reason to indirect edges.
602 (cgraph_create_edge_1): New function.
603 (cgraph_create_edge): Moved some functionality to
604 cgraph_create_edge_1.
605 (cgraph_create_indirect_edge): New function.
606 (cgraph_edge_remove_callee): Add an assert checking for
608 (cgraph_edge_remove_caller): Special-case indirect edges.
609 (cgraph_remove_edge): Likewise.
610 (cgraph_set_edge_callee): New function.
611 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
612 (cgraph_make_edge_direct): New function.
613 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
614 the declaration of the call statement matches.
615 (cgraph_node_remove_callees): Special-case indirect edges.
616 (cgraph_clone_edge): Likewise.
617 (cgraph_clone_node): Clone also the indirect edges.
618 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
619 indirect_call, dump count of indirect_calls edges.
620 * ipa-prop.c (iinlining_processed_edges): New variable.
621 (ipa_note_param_call): Create indirect edges instead of
622 creating notes. New parameter node.
623 (ipa_analyze_call_uses): New parameter node, pass it on to
625 (ipa_analyze_stmt_uses): Likewise.
626 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
627 (print_edge_addition_message): Work on edges rather than on notes.
628 (update_call_notes_after_inlining): Likewise, renamed to
629 update_indirect_edges_after_inlining.
630 (ipa_create_all_structures_for_iinln): New function.
631 (ipa_free_node_params_substructures): Do not free notes.
632 (ipa_edge_duplication_hook): Propagate bits within
633 iinlining_processed_edges bitmap.
634 (ipa_node_duplication_hook): Do not duplicate notes.
635 (free_all_ipa_structures_after_ipa_cp): Renamed to
636 ipa_free_all_structures_after_ipa_cp.
637 (free_all_ipa_structures_after_iinln): Renamed to
638 ipa_free_all_structures_after_iinln.g
639 (ipa_write_param_call_note): Removed.
640 (ipa_read_param_call_note): Removed.
641 (ipa_write_indirect_edge_info): New function.
642 (ipa_read_indirect_edge_info): Likewise.
643 (ipa_write_node_info): Do not stream notes, do stream information
645 (ipa_read_node_info): Likewise.
646 (lto_ipa_fixup_call_notes): Removed.
647 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
648 * ipa-inline.c (pass_ipa_inline): Likewise.
649 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
650 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
651 * tree-inline.c (copy_bb): Removed an unnecessary double check for
653 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
655 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
656 (output_cgraph): Stream also indirect edges.
657 (lto_output_edge): Added capability to stream indirect edges.
658 (input_edge): Likewise.
659 (input_cgraph_1): Likewise.
660 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
663 2010-04-28 Richard Guenther <rguenther@suse.de>
665 PR tree-optimization/43879
666 PR tree-optimization/43909
667 * tree-ssa-structalias.c (struct variable_info): Add
668 only_restrict_pointers flag.
669 (new_var_info): Initialize it. Increment stats.total_vars here.
670 (create_function_info_for): Do not increment stats.total_vars
672 (get_function_part_constraint): Fix build with C++.
673 (insert_into_field_list): Remove.
674 (push_fields_onto_fieldstack): Properly merge fields.
675 (create_variable_info_for): Split and simplify.
676 (create_variable_info_for_1): New piece.
677 (intra_create_variable_infos): Properly make restrict constraints
680 2010-04-28 Richard Guenther <rguenther@suse.de>
683 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
685 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
686 Jan Hubicka <hubicka@ucw.cz>
688 * doc/invoke.texi (-Wsuggest-attribute=const,
689 -Wsuggest-attribute=pure): Document.
690 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
691 (function_always_visible_to_compiler_p,
692 suggest_attribute, warn_function_pure, warn_function_const):
694 (check_call): Improve debug info.
695 (analyze_function): Do not check availability.
696 (add_new_function): Check availability.
697 (propagate): Output warnings.
698 (skip_function_for_local_pure_const): New function.
699 (local_pure_const): Use it; output warnings.
700 * common.opt (Wsuggest-attribute=const,
701 Wsuggest-attribute=pure): New.
703 2010-04-27 Jakub Jelinek <jakub@redhat.com>
705 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
706 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
707 or DW_CFA_def_cfa_offset{,_sf}.
709 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
711 * tree.h: Fix truncated long macros.
713 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
715 * collect2.c (TARGET_64BIT): Redefine to target's default.
717 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
718 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
719 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
720 for underscoring __USER_LABEL_PREFIX__.
721 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
722 (SUB_LINK_ENTRY32): New.
723 (SUB_LINK_ENTRY64): New.
724 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
725 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
726 (SUB_LINK_ENTRY64): New.
727 (SUB_LINK_ENTRY): New.
728 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
729 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
730 x64 target is choosen.
731 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
732 * configure: Regenerated.
733 * configure.ac (leading-mingw64-underscores): Option added.
735 2010-04-27 Jan Hubicka <jh@suse.cz>
737 * doc/invoke.texi (-fipa-profile): Document.
738 * opts.c (decode_options): Enable ipa-profile at -O1.
739 * timevar.def (TV_IPA_PROFILE): Define.
740 * common.opt (fipa-profile): Add.
741 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
743 (cgraph_propagate_frequency): Handle only local ones.
744 * tree-pass.h (pass_ipa_profile): Declare.
745 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
746 (pass_ipa_profile): Use TV_IPA_PROFILE.
747 * ipa.c (ipa_profile): New function.
748 (gate_ipa_profile): Likewise.
749 (pass_ipa_profile): New global variable.
750 * passes.c (pass_ipa_profile): New.
752 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
754 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
756 2010-04-27 Martin Jambor <mjambor@suse.cz>
759 * ipa.c (dissolve_same_comdat_group_list): New function.
760 (function_and_variable_visibility): Call
761 dissolve_same_comdat_group_list when comdat group contains external or
763 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
764 lists are circular and that they contain only DECL_ONE_ONLY nodes.
766 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
768 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
769 (const_hash_1) <VECTOR_CST>: New case.
770 (compare_constant) <VECTOR_CST>: Likewise.
771 <ADDR_EXPR>: Deal with LABEL_REFs.
772 (copy_constant) <VECTOR_CST>: New case.
774 2010-04-27 Jan Hubicka <jh@suse.cz>
776 * cgraph.c (cgraph_propagate_frequency): New function.
777 * cgraph.h (cgraph_propagate_frequency): Declare.
778 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
779 cgraph_propagate_frequency.
781 2010-04-27 Jakub Jelinek <jakub@redhat.com>
783 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
785 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
788 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
789 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
790 here to determine which regs to push and how much stack to reserve.
792 2010-04-27 Jie Zhang <jie@codesourcery.com>
794 * doc/gimple.texi (gimple_statement_with_ops): Remove
795 addresses_taken field.
796 (gimple_statement_with_memory_ops): Likewise.
798 2010-04-27 Jan Hubicka <jh@suse.cz>
800 * tree-inline.c (eni_inlining_weights): Remove.
801 (estimate_num_insns): Special case more builtins.
803 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
806 * c-typeck.c (build_binary_op): Move forward check for comparison
807 pointer with null pointer constant and adjust the diagnostic message.
809 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
812 * configure.ac (gcc_cv_as_section_has_align): Set if installed
813 binutils supports extended .section directive needed by LTO, or
814 warn if older binutils found.
815 (LTO_BINARY_READER): New AC_SUBST'd variable.
816 (LTO_USE_LIBELF): Likewise.
817 * gcc/config.gcc (lto_binary_reader): New target-specific configure
819 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
820 (LTO_USE_LIBELF): Likewise.
821 * configure: Regenerate.
823 * collect2.c (is_elf): Rename from this ...
824 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
825 object files in addition to ELF-formatted ones.
826 (scan_prog_file): Caller updated. Also allow for LTO info marker
827 symbol to be prefixed or not by an extra underscore.
829 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
830 * config/i386/winnt.c: Also #include lto-streamer.h
831 (i386_pe_asm_named_section): Specify 1-byte section alignment for
833 (i386_pe_asm_output_aligned_decl_common): Add comment.
834 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
836 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
839 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
840 Add missing earlyclobber for second alternative.
842 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
844 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
845 bits for artificial defs at the top of the block.
846 * fwprop.c (single_def_use_enter_block): Don't call it.
848 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
851 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
852 instead of "$gcc_cv_objdump -T".
853 Use "-undefined dynamic_lookup" on darwin.
854 * gcc/configure: Regenerate.
856 2010-04-26 Jakub Jelinek <jakub@redhat.com>
859 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
861 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
863 * c-parser.c (struct c_token): Move location field up.
864 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
865 (struct c_declspecs): Convert typespec_word, storage_class, and
866 default_int_p into bitfields.
867 (struct c_declarator): Move loc field up.
869 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
871 * cfgloop.h (struct loop): Move can_be_parallel field up.
872 * ipa-prop.h (struct ip_node_params): Move bitfields up.
873 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
875 (struct iv_cand): Convert pos field into a bitfield.
876 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
878 (struct _stmt_vec_info): Shuffle fields for better packing.
880 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
882 * varasm.c (IN_NAMED_SECTION): Remove guard.
883 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
884 (IN_NAMED_SECTION_P): ...this.
885 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
886 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
888 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
890 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
891 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
892 of shadowing it. Fix comments.
894 2010-04-26 Jan Hubicka <jh@suse.cz>
896 * cgraph.c (cgraph_create_node): Set node frequency to normal.
897 (cgraph_clone_node): Copy function frequency.
898 * cgraph.h (node_frequency): New enum
899 (struct cgraph_node): Add.
900 * final.c (rest_of_clean_state): Update.
901 * lto-cgraph.c (lto_output_node): Output node frequency.
902 (input_overwrite_node): Input node frequency.
903 * tre-ssa-loop-ivopts (computation_cost): Update.
904 * lto-streamer-out.c (output_function): Do not output function
906 * predict.c (maybe_hot_frequency_p): Update and handle functions
908 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
910 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
911 (compute_function_frequency): Set noreturn functions to be executed
913 (choose_function_section): Update.
914 * lto-streamer-in.c (input_function): Do not input function frequency.
915 * function.c (allocate_struct_function): Do not initialize function
917 * function.h (function_frequency): Remove.
918 (struct function): Remove function frequency.
919 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
920 (try_update): Update.
921 * tree-inline.c (initialize_cfun): Do not update function frequency.
922 * passes.c (pass_init_dump_file): Update.
923 * i386.c (ix86_compute_frame_layout): Update.
924 (ix86_pad_returns): Update.
926 2010-04-26 Jie Zhang <jie@codesourcery.com>
928 PR tree-optimization/43833
929 * tree-vrp.c (range_int_cst_p): New.
930 (range_int_cst_singleton_p): New.
931 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
932 when both operands are constants. Use range_int_cst_p in
935 2010-04-26 Jan Hubicka <jh@suse.cz>
937 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
939 2010-04-26 Richard Guenther <rguenther@suse.de>
942 * gimple.c (gimple_decl_printable_name): Deal gracefully
943 with a NULL DECL_NAME.
945 2010-04-26 Richard Guenther <rguenther@suse.de>
948 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
949 if emitting debug information and it is either a function
952 2010-04-26 Ira Rosen <irar@il.ibm.com>
954 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
955 determine if the statement is vectorizable, and a macro to access it.
956 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
957 Skip statements that can't be vectorized. If the analysis fails,
958 mark the statement as unvectorizable if vectorizing basic block.
959 (vect_compute_data_refs_alignment): Likewise.
960 (vect_verify_datarefs_alignment): Skip statements marked as
961 unvectorizable. Add print.
962 (vect_analyze_group_access): Skip statements that can't be
963 vectorized. If the analysis fails, mark the statement as
964 unvectorizable if vectorizing basic block.
965 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
966 * tree-vect-stmts.c (vectorizable_store): Fix the number of
967 generated stmts for SLP.
968 (new_stmt_vec_info): Initialize the new field.
969 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
970 statements marked as unvectorizable.
972 2010-04-25 Joseph Myers <joseph@codesourcery.com>
974 * c-common.c (flag_isoc1x): New.
975 (flag_isoc99): Update comment.
976 * c-common.h (flag_isoc1x): New.
977 (flag_isoc99): Update comment.
978 * c-cppbuiltin.c (builtin_define_float_constants): Also define
979 __<type>_DECIMAL_DIG__.
980 * c-opts.c (set_std_c1x): New.
981 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
982 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
983 * c.opt (-std=c1x, -std=gnu1x): New options.
984 * doc/cpp.texi: Mention -std=c1x.
985 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
986 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
987 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
988 * doc/standards.texi: Mention C1X.
989 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
990 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
991 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
994 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
996 * config/i386/gmon-sol2.c (_mcleanup): Change format string
997 placeholder from 0x%x to %#x.
998 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
999 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1000 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1001 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1002 * config/i386/i386.c (ix86_target_string): Ditto.
1003 (output_pic_addr_const): Ditto.
1004 (print_operand): Ditto.
1006 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
1008 * combine.c (find_split_point): Add third argument. Use it
1009 to find nested multiply-accumulate instructions. Adjust calls.
1010 (try_combine): Adjust call to find_split_point.
1012 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
1014 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1016 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
1018 PR tree-optimization/41442
1019 * fold-const.c (merge_truthop_with_opposite_arm): New function.
1020 (fold_binary_loc): Call it.
1022 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1024 * toplev.c (general_init): Set default for fdiagnostics-show-option.
1025 * opts.c (common_handle_option): Allow disabling it.
1026 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1028 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
1030 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1031 between modes if both types are integral.
1033 2010-04-23 Richard Guenther <rguenther@suse.de>
1035 PR tree-optimization/43572
1036 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1038 2010-04-23 Richard Guenther <rguenther@suse.de>
1041 * tree-inline.c (tree_can_inline_p): Also check compatibility
1044 2010-04-23 Martin Jambor <mjambor@suse.cz>
1046 PR tree-optimization/43846
1047 * tree-sra.c (struct access): New flag grp_assignment_read.
1048 (build_accesses_from_assign): Set grp_assignment_read.
1049 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1050 (enum mark_read_status): New type.
1051 (analyze_access_subtree): Propagate grp_assignment_read, create
1052 accesses also if both direct_read and root->grp_assignment_read.
1054 2010-04-23 Martin Jambor <mjambor@suse.cz>
1057 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1058 function does not have type attributes.
1060 2010-04-23 Richard Guenther <rguenther@suse.de>
1063 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1066 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1068 * sese.h (create_if_region_on_edge): Remove.
1070 * sese.c (create_if_region_on_edge): Make static.
1072 * tree-inline.c: Do not include ggc.h.
1074 * expr.c: Do not include ggc.h.
1076 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1079 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
1082 * config/sh/sh.c (find_barrier): Don't emit a constant pool
1083 in the middle of insns for casesi_worker_2.
1085 2010-04-22 David Edelsohn <edelsohn@gnu.org>
1087 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1089 2010-04-22 Ira Rosen <irar@il.ibm.com>
1091 PR tree-optimization/43842
1092 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1093 loop unrolling in update of exit phis. Fix comment.
1094 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1095 least two reduction statements in the loop before starting SLP
1098 2010-04-22 Nick Clifton <nickc@redhat.com>
1100 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1102 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
1104 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1107 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1109 * tree-parloops.c (loop_parallel_p): New argument
1110 parloop_obstack. Pass it down.
1111 (parallelize_loops): New variable parloop_obstack. Initialize it,
1112 pass it down, free it.
1114 * tree-loop-linear.c (linear_transform_loops): Pass down
1117 * tree-data-ref.h (lambda_compute_access_matrices): New argument
1118 of type struct obstack *.
1120 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1121 scratch_obstack. Initialize it, pass down, free it.
1123 * lambda.h (lambda_loop_new): Remove.
1124 (lambda_matrix_new, lambda_matrix_inverse)
1125 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1126 argument of type struct obstack *.
1128 * lambda-trans.c (lambda_trans_matrix_new): New argument
1129 lambda_obstack. Pass it down, use obstack allocation for ret.
1130 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
1133 * lambda-mat.c (lambda_matrix_get_column)
1134 (lambda_matrix_project_to_null): Remove.
1135 (lambda_matrix_new): New argument lambda_obstack. Use obstack
1137 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1140 * lambda-code.c (lambda_loop_new): New function.
1141 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1142 (lambda_compute_auxillary_space, lambda_compute_target_space)
1143 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1144 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1145 (build_access_matrix): New argument lambda_obstack. Use obstack
1147 (lambda_compute_step_signs, lambda_compute_access_matrices): New
1148 argument lambda_obstack. Pass it down.
1150 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1152 * optabs.h (expand_widening_mult): Declare.
1154 2010-04-22 Richard Guenther <rguenther@suse.de>
1156 PR tree-optimization/43845
1157 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1158 lookup the CALL_EXPR function and arguments.
1160 2010-04-22 Nick Clifton <nickc@redhat.com>
1162 * config/stormy16/stormy16.c
1163 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1164 * config/stormy16/stormy16.h: Tidy up formatting.
1165 (DONT_USE_BUILTIN_SETJMP): Remove definition.
1166 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1167 (ineqbranchsi): Delete pattern.
1168 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1169 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1170 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1171 stormy16-lib2-ucmpsi2.c.
1173 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1175 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1176 df_simulate_find_noclobber_defs as appropriate. Keep track of an
1177 extra set merge_set_noclobber, and use it to relax the final test
1179 * df.h (df_simulate_find_noclobber_defs): Declare.
1180 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1182 (df_simulate_find_noclobber_defs): New function.
1184 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
1186 * config/i386/i386.md: Use {} around multi-line preparation statements.
1188 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1190 * c-tree.h (push_init_level, pop_init_level, set_init_index)
1191 (process_init_element): New argument of type struct obstack *.
1193 * c-typeck.c (push_init_level, pop_init_level, set_designator)
1194 (set_init_index, set_init_label, set_nonincremental_init)
1195 (set_nonincremental_init_from_string, find_init_member)
1196 (output_init_element, output_pending_init_elements)
1197 (process_init_element): New argument braced_init_obstack. Pass it
1199 (push_range_stack, add_pending_init): New argument
1200 braced_init_obstack. Use obstack allocation.
1202 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1203 braced_init_obstack. Pass it down.
1204 (c_parser_braced_init): New variables ret, braced_init_obstack.
1205 Initialize obstack, pass it down and finally free it.
1207 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1210 * tree-pass.h (pass_optimize_widening_mul): Declare.
1211 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1212 gate_optimize_widening_mul): New static functions.
1213 (pass_optimize_widening_mul): New.
1214 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1215 <case MULT_EXPR>: Remove support for widening multiplies.
1216 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1217 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1218 simplify_gen_unary rather than directly building extensions.
1219 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1221 * expmed.c (expand_widening_mult): New function.
1222 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1224 2010-04-21 Jan Hubicka <jh@suse.cz>
1226 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1227 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1228 * lto-wpa-fixup.c: Remove.
1229 * Makefile.in (lto-wpa-fixup.o): Remove.
1230 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1231 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1232 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1234 2010-04-21 Jan Hubicka <jh@suse.cz>
1236 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1237 add write_optimization_summary, read_optimization_summary.
1238 (ipa_write_summaries_of_cgraph_node_set): Remove.
1239 (ipa_write_optimization_summaries): Declare.
1240 (ipa_read_optimization_summaries): Declare.
1241 * ipa-cp.c (pass_ipa_cp): Update.
1242 * ipa-reference.c (pass_ipa_reference): Update.
1243 * ipa-pure-const.c (pass_ipa_pure_const): Update.
1244 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1246 * ipa-inline.c (pass_ipa_inline): Update.
1247 * ipa.c (pass_ipa_whole_program): Update.
1248 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1249 * passes.c (ipa_write_summaries_1): Do not test wpa.
1250 (ipa_write_optimization_summaries_1): New.
1251 (ipa_write_optimization_summaries): New.
1252 (ipa_read_summaries): Do not test ltrans.
1253 (ipa_read_optimization_summaries_1): New.
1254 (ipa_read_optimization_summaries): New.
1256 2010-04-21 Jan Hubicka <jh@suse.cz>
1258 * lto-cgraph.c (lto_output_node): Do not output comdat groups
1260 (output_cgraph): Do not arrange comdat groups for boundary nodes.
1262 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1265 * dwarf2out.c (add_name_and_src_coords_attributes): Add
1266 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1268 2010-04-21 Jan Hubicka <jh@suse.cz>
1270 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1272 2010-04-21 Jan Hubicka <jh@suse.cz>
1274 * varpool.c (decide_is_variable_needed): Variable is always needed
1277 2010-04-21 Jan Hubicka <jh@suse.cz>
1279 * opts.c (decode_options): Enable pure-const pass for whopr.
1281 2010-04-21 Jan Hubicka <jh@suse.cz>
1283 * cgraph.c (dump_cgraph_node): Dump also assembler name.
1284 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1286 (cgraph_decide_inlining): Do not expect callee to be removed in all
1289 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
1291 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1293 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1295 * config/i386/i386.md (x86_shrd): Add athlon_decode and
1296 amdfam10_decode attributes.
1298 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1301 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1302 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1303 (lower_copyprivate_clauses): Use private var in outer
1304 context instead of original var. Make sure the types
1305 are correct for VLAs.
1307 2010-04-21 Richard Guenther <rguenther@suse.de>
1309 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1310 to non-pointer objects.
1312 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1314 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
1315 last chain entry if it starts with the still current label.
1316 (add_location_or_const_value_attribute): Check that
1317 loc_list->first->next is NULL instead of comparing ->first with ->last.
1318 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1319 to add_var_loc_to_decl.
1321 * dwarf2out.c (output_call_frame_info): For dw_cie_version
1322 >= 4 add also address size and segment size fields into CIE header.
1324 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1325 long as address size is the same as sizeof (void *) and
1327 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
1328 address size or segment size is unexpected, return DW_EH_PE_omit.
1329 (classify_object_over_fdes): If get_cie_encoding returned
1330 DW_EH_PE_omit, return -1.
1331 (init_object): If classify_object_over_fdes returned -1,
1332 pretend there were no FDEs at all.
1334 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1336 * config/i386/i386.md (bswap<mode>2): Macroize expander from
1337 bswap{si,di}2 using SWI48 mode iterator.
1338 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1339 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
1340 set modrm attribute of bswap insn to 0 and remove length attribute.
1341 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1342 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
1343 set mode attribute to <MODE> and remove length attribute.
1345 2010-04-20 James E. Wilson <wilson@codesourcery.com>
1347 PR rtl-optimization/43520
1348 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1349 zero available registers.
1351 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1353 * builtins.c (fold_builtin_cproj): Fold more cases.
1355 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1357 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1358 (fold_builtin_1): Fold builtin cproj.
1359 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1360 Use ATTR_CONST_NOTHROW_LIST.
1362 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
1364 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1365 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
1366 ffsi2_no_cmove for !TARGET_CMOVE.
1367 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
1368 (ffssi2): Remove expander.
1369 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1371 (ctz<mode>2): Ditto from ctz{si,di}2.
1372 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1374 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1377 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1379 * dwarf2out.c (AT_linkage_name): Define.
1380 (clone_as_declaration): Handle DW_AT_linkage_name.
1381 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1382 of DW_AT_MIPS_linkage_name.
1383 (move_linkage_attr): Likewise.
1384 (dwarf2out_finish): Likewise.
1386 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
1389 * fold-const.c (fold_comparison): New folding rule.
1391 2010-04-20 Anatoly Sokolov <aesok@post.ru>
1393 * double-int.h (double_int_setbit): Declare.
1394 * double-int.c (double_int_setbit): New function.
1395 * rtl.h (immed_double_int_const): Declare.
1396 * emit-rtl.c (immed_double_int_const): New function.
1397 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1398 and immed_double_int_const functions.
1399 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1400 expand_copysign_bit): (Ditto.).
1401 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1402 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1403 * dojump.c (prefer_and_bit_test): (Ditto.).
1404 * expr.c (convert_modes, reduce_to_bit_field_precision,
1405 const_vector_from_tree): (Ditto.).
1406 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1408 2010-04-20 Jan Hubicka <jh@suse.cz>
1410 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1411 (dump_cgraph_node): Dump new flags.
1412 * cgraph.h (struct cgraph_node): Add flags
1413 reachable_from_other_partition and in_other_partition.
1414 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1415 other partition can not be removed.
1416 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1417 the other partition must be output; silence sanity checking on
1418 leaking functions bodies from other paritition.
1419 * lto-cgraph.c (reachable_from_other_partition_p): New function.
1420 (lto_output_node): Output new flags; do not sanity check that inline
1421 clones are output; drop lto_forced_extern_inline_p code; do not mock
1422 visibility flags at partition boundaries.
1423 (add_node_to): New function.
1424 (output_cgraph): Use it to sort functions so masters appear before
1426 (input_overwrite_node): Input new flags.
1427 * passes.c (ipa_write_summaries): Do not call
1428 lto_new_extern_inline_states.
1429 * lto-section-out.c (forced_extern_inline,
1430 lto_new_extern_inline_states lto_delete_extern_inline_states,
1431 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1432 * lto-streamer.h (lto_new_extern_inline_states,
1433 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1434 lto_forced_extern_inline_p): Kill.
1436 2010-04-20 Richard Guenther <rguenther@suse.de>
1438 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1439 from vars that can have pointers.
1440 (process_constraint): Dump useless constraints.
1442 2010-04-20 Richard Guenther <rguenther@suse.de>
1444 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1445 (dump_sa_points_to_info): Remove asserts.
1446 (init_base_vars): nothing_id isn't an escape point nor does it
1449 2010-04-20 Jakub Jelinek <jakub@redhat.com>
1451 * tree.h (TYPE_REF_IS_RVALUE): Define.
1452 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1453 should_move_die_to_comdat, prune_unused_types_walk): Handle
1454 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1455 (modified_type_die, gen_reference_type_die): Emit
1456 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1457 if TYPE_REF_IS_RVALUE and -gdwarf-4.
1459 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1462 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1463 calls for -fpic -m31 if they have been sibcall optimized.
1465 2010-04-19 James E. Wilson <wilson@codesourcery.com>
1467 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1468 ar.lc fixed and call-used.
1470 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1472 2010-04-19 Jan Hubicka <jh@suse.cz>
1474 * opts.c (decode_options): Disable whpr incompatible passes.
1475 * lto/lto.c (lto_1_to_1_map): Skip clones.
1476 (read_cgraph_and_symbols): Do not mark everything as needed.
1477 (do_whole_program_analysis): Do map only after optimizing;
1478 set proper cgraph_state; use passmanager.
1480 2010-04-19 DJ Delorie <dj@redhat.com>
1482 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1483 POINTER_PLUS_EXPR and fix them.
1485 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
1487 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1488 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1489 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1490 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1491 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1492 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1493 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1494 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1495 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1496 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1497 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1499 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
1501 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1502 (check_cond_move_block): Likewise.
1503 (cond_move_process_if_block): Likewise.
1504 (noce_find_if_block): Improve formatting.
1505 (find_if_header): Pass 0 to memset and tweak conditions.
1506 (cond_exec_find_if_block): Fix long lines and tweak conditions.
1508 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1510 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1514 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1515 with non-local decl doesn't need chain.
1517 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
1519 * ira-color.c (allocno_reload_assign): Avoid accumulating
1520 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1522 2010-04-19 Martin Jambor <mjambor@suse.cz>
1524 * gimple.h (create_tmp_reg): Declare.
1525 * gimplify.c (create_tmp_reg): New function.
1526 (gimplify_return_expr): Use create_tmp_reg.
1527 (gimplify_omp_atomic): Likewise.
1528 (gimple_regimplify_operands): Likewise.
1529 * tree-dfa.c (make_rename_temp): Likewise.
1530 * tree-predcom.c (predcom_tmp_var): Likewise.
1531 (reassociate_to_the_same_stmt): Likewise.
1532 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1533 (get_replaced_param_substitute): Likewise.
1534 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1535 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1536 * tree-ssa-pre.c (get_representative_for): Likewise.
1537 (create_expression_by_pieces): Likewise.
1538 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1539 (create_tailcall_accumulator): Likewise.
1541 2010-04-19 Martin Jambor <mjambor@suse.cz>
1543 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1545 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1547 2010-04-19 Richard Guenther <rguenther@suse.de>
1549 PR tree-optimization/43796
1550 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1551 from SCEV in the lattice.
1552 (vrp_visit_phi_node): Dump change.
1554 2010-04-19 Richard Guenther <rguenther@suse.de>
1556 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1557 * configure: Re-generated.
1559 2010-04-19 Richard Guenther <rguenther@suse.de>
1561 PR tree-optimization/43783
1562 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1563 constant ARRAY_REF operands two and three if possible.
1565 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
1568 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1570 2010-04-19 Jie Zhang <jie@codesourcery.com>
1573 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1575 2010-04-19 Ira Rosen <irar@il.ibm.com>
1577 PR tree-optimization/37027
1578 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1579 and macro to access it.
1580 (vectorizable_reduction): Add argument.
1581 (vect_get_slp_defs): Likewise.
1582 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1583 statements for possible use in SLP.
1584 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1585 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1586 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1588 (vectorizable_reduction): Likewise.
1589 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1591 (vectorizable_type_demotion, vectorizable_type_promotion,
1592 vectorizable_store): Likewise.
1593 (vect_analyze_stmt): Update call to vectorizable_reduction.
1594 (vect_transform_stmt): Likewise.
1595 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1596 (vect_build_slp_tree): Fix indentation. Check that there are no loads
1597 from different interleaving chains in same node.
1598 (vect_slp_rearrange_stmts): New function.
1599 (vect_supported_load_permutation_p): Allow load permutations for
1600 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1601 inside SLP nodes if necessary.
1602 (vect_analyze_slp_instance): Handle reductions.
1603 (vect_analyze_slp): Try to build SLP instances originating from groups
1605 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1606 (vect_get_constant_vectors): Create initial vectors for reductions
1607 according to reduction code. Add new argument.
1608 (vect_get_slp_defs): Add new argument, pass it to
1609 vect_get_constant_vectors.
1610 (vect_schedule_slp_instance): Remove SLP tree root statements.
1612 2010-04-19 Jakub Jelinek <jakub@redhat.com>
1614 * tree.h (ENUM_IS_SCOPED): Define.
1615 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1616 for ENUM_IS_SCOPED enums.
1618 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
1620 * fold-const.c (fold_comparison): Use ssizetype.
1621 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1622 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1623 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1624 * tree-object-size.c (compute_object_sizes): Use size_type_node.
1626 * tree.h (initialize_sizetypes): Remove parameter.
1627 (build_common_tree_nodes): Remove second parameter.
1628 * stor-layout.c (initialize_sizetypes): Remove parameter.
1629 Always create an unsigned type.
1630 (set_sizetype): Assert that the passed type is unsigned and simplify.
1631 * tree.c (build_common_tree_nodes): Remove second parameter.
1632 Adjust call to initialize_sizetypes.
1633 * c-decl.c (c_init_decl_processing): Remove second argument in call to
1634 build_common_tree_nodes.
1636 2010-04-18 Matthias Klose <doko@ubuntu.com>
1638 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1640 2010-04-18 Ira Rosen <irar@il.ibm.com>
1642 PR tree-optimization/43771
1643 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1644 load permutation doesn't have gaps.
1646 2010-04-18 Jan Hubicka <jh@suse.cz>
1648 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1649 (sse_prologue_save_insn expander): Use new pattern.
1650 (sse_prologue_save_insn1): New pattern and splitter.
1651 (sse_prologue_save_insn): Update to deal also with 64bit aligned
1653 * i386.c (setup_incoming_varargs_64): Do not compute jump
1655 (ix86_gimplify_va_arg): Update alignment needed.
1656 (ix86_local_alignment): Do not align all local arrays to 128bit.
1658 2010-04-17 Jan Hubicka <jh@suse.cz>
1660 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1662 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1664 * arm.md (negdi2): Remove redundant code to force values into a
1667 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1669 * arm/bpabi.S: Add EABI alignment attributes to objects.
1670 * arm/bpabi-v6m.S: Likewise.
1671 * arm/crti.asm: Likewise.
1672 * arm/crtn.asm: Likewise.
1673 * arm/lib1funcs.asm: Likewise.
1674 * arm/libunwind.S: Likewise.
1676 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
1678 * arm-protos.h (tune_params): New structure.
1679 * arm.c (current_tune): New variable.
1680 (arm_constant_limit): Delete.
1681 (struct processors): Add pointer to the tune parameters.
1682 (arm_slowmul_tune): New tuning option.
1683 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1684 (all_cores): Adjust to pick up the tuning model.
1685 (arm_constant_limit): New function.
1686 (arm_override_options): Select the appropriate tuning model. Delete
1687 initialization of arm_const_limit.
1688 (arm_split_constant): Use the new constant-limit model.
1689 (arm_rtx_costs): Pick up the current tuning model.
1690 * arm.md (is_strongarm, is_xscale): Delete.
1691 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1692 for Xscale variant architectures.
1693 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1695 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1697 * config/arm/arm.c (arm_gen_constant): Remove unused variable
1699 (arm_rtx_costs_1): Remove unused variable extra_cost.
1700 (arm_unwind_emit_set): Use variable offset.
1701 (thumb1_output_casesi): Remove unused variable flags.
1703 2010-04-16 Jeff Law <law@redhat.com>
1705 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1706 needing assignment rather than doing a two-phase assignment. Remove
1707 unused variable 'm'.
1709 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1712 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1714 2010-04-16 Doug Kwan <dougkwan@google.com>
1716 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1717 (next_operand_entry_id): New static variable.
1718 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1719 (add_to_ops_vec): Assigned unique ID to operand entry.
1720 (struct oecount_s): New field ID.
1721 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1722 (undistribute_ops_list): Assign unique IDs to oecounts.
1723 (init_reassoc): reset next_operand_entry_id.
1725 2010-04-16 Doug Kwan <dougkwan@google.com>
1727 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1728 missing left parenthesis.
1730 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
1732 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1733 *btdi_rex64 using SWI48 mode iterator.
1734 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1735 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1736 *jcc_btdi_mask_rex64.
1738 2010-04-16 Anatoly Sokolov <aesok@post.ru>
1740 * double-int.h (tree_to_double_int): Convert to macro.
1741 * double-int.c (tree_to_double_int): Remove.
1743 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1746 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1747 with want_address 2 and in case a single element list might be
1748 possible, call it again with want_address 0.
1750 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1752 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1753 case 'W' print operands for HI mode.
1754 * config/h8300/h8300.h (Y0, Y2) : New constraints.
1755 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1756 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1757 * config/h8300/predicate.md (bit_register_indirect_operand): New.
1759 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1761 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1762 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1763 #xx:3 and #xx:4 mode.
1765 * config/h8300/h8300.md (inverted load with HImode dest): Add
1766 support for H8300SX.
1768 * config/h8300/predicate.md (bit_operand): Allow immediate values that
1769 satisfy 'U' constraint.
1771 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1773 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1774 * configure: Regenerate.
1775 * config.in: Regenerate.
1776 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1779 2010-04-16 Richard Guenther <rguenther@suse.de>
1781 * tree.h (struct tree_decl_minimal): Move pt_uid ...
1782 (struct tree_decl_common): ... here.
1783 (DECL_PT_UID): Adjust.
1784 (SET_DECL_PT_UID): Likewise.
1785 (DECL_PT_UID_SET_P): Likewise.
1787 2010-04-16 Richard Guenther <rguenther@suse.de>
1789 PR tree-optimization/43572
1790 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1791 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1792 * tree-flow.h (is_call_clobbered): Remove.
1793 * tree-flow-inline.h (is_call_clobbered): Likewise.
1794 * tree-dfa.c (dump_variable): Do not dump call clobber state.
1795 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1796 (execute_return_slot_opt): Adjust.
1797 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1798 check for call clobbered vars here.
1799 (find_tail_calls): Move tailcall verification to the
1802 2010-04-16 Diego Novillo <dnovillo@google.com>
1804 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1806 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1809 * config/arm/arm.md (cbranchqi4): New pattern.
1810 * config/arm/predicates.md (const0_operand,
1811 cbranchqi4_comparison_operator): New predicates.
1813 2010-04-16 Richard Guenther <rguenther@suse.de>
1815 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1816 (dump_gimple_stmt): Likewise.
1818 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1820 * recog.h (struct recog_data): New field is_operator.
1821 (struct insn_operand_data): New field is_operator.
1822 * recog.c (extract_insn): Set recog_data.is_operator.
1823 * genoutput.c (output_operand_data): Emit code to set the
1825 * reload.c (find_reloads): Use it rather than testing for an
1826 empty constraint string.
1829 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1830 If the previous insn is a cbranchsi4_insn with the same arguments,
1831 omit the compare instruction.
1833 * config/arm/arm.md (addsi3_cbranch): If destination is a high
1834 register, inputs must be low registers and we need a low register
1835 scratch. Handle alternative 2 like alternative 3.
1837 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1839 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1840 don't call get_addr on both. If one expression is a VALUE and
1841 the other a REG, check VALUE's locs if the REG isn't among them.
1843 2010-04-16 Christian Bruel <christian.bruel@st.com>
1845 * config/sh/sh.h (sh_frame_pointer_required): New function.
1846 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1847 (flag_omit_frame_pointer) Set.
1848 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1849 (rounded_frame_size): Adjust size with outgoing_args_size.
1850 (sh_set_return_address): Must return from stack pointer.
1851 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1852 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1853 (ACCUMULATE_OUTGOING_ARGS): Define.
1854 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1855 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1857 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1860 * config/sh/sh.c (sh_legitimize_reload_address): Use
1861 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1862 Remove a unneeded check for offset_base.
1864 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
1866 * configure: Regenerated.
1868 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1870 * config/s390/s390.c (s390_call_save_register_used): Switch back
1871 to HARD_REGNO_NREGS.
1873 2010-04-15 Richard Guenther <rguenther@suse.de>
1875 * alias.c (alias_set_subset_of): Handle alias-set zero
1878 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
1879 Julian Brown <julian@codesourcery.com>
1881 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1882 alternatives according to use of high and low regs.
1883 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1884 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1885 optimizing for size on Thumb-2.
1887 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
1889 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1891 2010-04-15 Richard Guenther <rguenther@suse.de>
1893 * tree-ssa-structalias.c (struct variable_info): Add
1895 (new_var_info): Initialize it.
1896 (dump_constraints): Support printing last added constraints.
1897 (debug_constraints): Adjust.
1898 (dump_constraint_graph): Likewise.
1899 (make_heapvar_for): Check for NULL cfun.
1900 (get_function_part_constraint): New function.
1901 (get_fi_for_callee): Likewise.
1902 (find_func_aliases): Properly implement IPA PTA constraints.
1903 (process_ipa_clobber): New function.
1904 (find_func_clobbers): Likewise.
1905 (insert_into_field_list_sorted): Remove.
1906 (create_function_info_for): Properly allocate vars for IPA mode.
1907 Do not use insert_into_field_list_sorted.
1908 (create_variable_info_for): Properly generate constraints for
1909 global vars in IPA mode.
1910 (dump_solution_for_var): Always dump the solution.
1911 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1912 (find_what_var_points_to): Adjust.
1913 (pt_solution_set): Change.
1914 (pt_solution_ior_into): New function.
1915 (pt_solution_empty_p): Export.
1916 (pt_solution_includes_global): Adjust.
1917 (pt_solution_includes_1): Likewise.
1918 (pt_solutions_intersect_1): Likewise.
1919 (dump_sa_points_to_info): Check some invariants.
1920 (solve_constraints): Move constraint dumping ...
1921 (compute_points_to_sets): ... here.
1922 (ipa_pta_execute): ... and here.
1923 (compute_may_aliases): Do not re-compute points-to info
1924 locally if IPA info is available.
1925 (ipa_escaped_pt): New global var.
1926 (ipa_pta_execute): Properly implement IPA PTA.
1927 * tree-into-ssa.c (dump_decl_set): Support dumping
1928 decls not in referenced-vars.
1929 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1930 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1931 (dump_points_to_solution): Likewise.
1932 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1933 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1934 (remap_gimple_stmt): Reset call clobber/use information if necessary.
1935 (copy_decl_to_var): Copy DECL_PT_UID.
1936 (copy_result_decl_to_var): Likewise.
1937 * tree.c (make_node_stat): Initialize DECL_PT_UID.
1938 (copy_node_stat): Copy it.
1939 * tree.h (DECL_PT_UID): New macro.
1940 (SET_DECL_PT_UID): Likewise.
1941 (DECL_PT_UID_SET_P): Likewise.
1942 (struct tree_decl_minimal): Add pt_uid member.
1943 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1944 (pt_solution_empty_p): Declare.
1945 (pt_solution_set): Adjust.
1946 (ipa_escaped_pt): Declare.
1947 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1948 * gimple-pretty-print.c (pp_points_to_solution): New function.
1949 (dump_gimple_call): Dump call clobber/use information.
1950 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1951 * tree-pass.h (TDF_ALIAS): New dump option.
1952 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1953 * doc/invoke.texi (-fipa-pta): Update documentation.
1955 2010-04-15 Richard Guenther <rguenther@suse.de>
1957 * Makefile.in (OBJS-common): Add gimple-fold.o.
1958 (gimple-fold.o): New rule.
1959 * tree.h (maybe_fold_offset_to_reference,
1960 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1962 * gimple.h: ... here.
1963 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1964 may_propagate_address_into_dereference): Move prototypes ...
1965 * gimple.h: ... here.
1966 * tree-ssa-ccp.c (get_symbol_constant_value,
1967 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1968 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1969 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1970 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1971 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1972 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1973 gimplify_and_update_call_from_tree): Move ...
1974 * gimple-fold.c: ... here. New file.
1975 (ccp_fold_builtin): Rename to ...
1976 (gimple_fold_builtin): ... this.
1977 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1979 2010-04-15 Richard Guenther <rguenther@suse.de>
1981 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1982 fit_double_type, force_fit_type_double, add_double_with_sign,
1983 neg_double, mul_double_with_sign, lshift_double, rshift_double,
1984 lrotate_double, rrotate_double, div_and_round_double): Move ...
1985 * double-int.c: ... here.
1986 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1987 add_double, neg_double, mul_double_with_sign, mul_double,
1988 lshift_double, rshift_double, lrotate_double, rrotate_double,
1989 div_and_round_double): Move prototypes ...
1990 * double-int.h: ... here.
1992 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
1995 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
1996 matching constraints to ensure inputs match the output.
1998 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2001 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2002 in an input-only operand.
2004 2010-04-15 Anatoly Sokolov <aesok@post.ru>
2006 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2007 (double_int_not, double_int_lshift, double_int_rshift): Declare.
2008 (double_int_negative_p): Convert to static inline function.
2009 * double-int.c (double_int_lshift, double_int_lshift): New functions.
2010 (double_int_negative_p): Remove.
2011 * tree.h (lshift_double, rshift_double):
2012 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2013 * fold-const.c (fold_convert_const_int_from_real,
2014 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2015 (lshift_double): Change type of arith argument to bool.
2016 (rshift_double): Change type of arith argument to bool. Correct
2018 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2020 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
2023 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2024 at the start and end of the then/else blocks, and omit them from the
2026 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
2027 argument; all callers changed. Pass zero to old_insns_match_p instead.
2028 (flow_find_head_matching_sequence): New function.
2029 (old_insns_match_p): Check REG_EH_REGION notes for calls.
2030 * basic-block.h (flow_find_cross_jump,
2031 flow_find_head_matching_sequence): Declare functions.
2033 2010-04-14 Jason Merrill <jason@redhat.com>
2036 * c-common.c (attribute_takes_identifier_p): New fn.
2037 * c-common.h: Declare it.
2039 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2041 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2043 (*udivmod<mode>4): Ditto.
2045 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2047 * config/i386/i386.md (maxmin_int): Rename code attribute from
2048 maxminiprefix and update all users.
2049 (maxmin_float): Ditto from maxminfprefix.
2050 (logic): Ditto from logicprefix.
2051 (absneg_mnemonic): Ditto from absnegprefix.
2052 * config/i386/mmx.md: Update all users of maxminiprefix,
2053 maxminfprefix and logicprefix for rename.
2054 * config/i386/sse.md: Ditto.
2055 * config/i386/sync.md (sync_<code><mode>): Update for
2058 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
2061 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2062 warnings converted to errors.
2064 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2066 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2067 used insn_type variable.
2068 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2069 to avoid set-but-not-used warning.
2071 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2073 * df-core.c (df_ref_debug): Change format string placeholder
2075 * dwarf2asm.c (dw2_asm_output_data_raw,
2076 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2077 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2078 * dwarf2out.c (output_cfi, output_cfi_directive,
2079 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2080 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2082 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2083 * print-rtl.c (print_rtx): Ditto.
2085 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2088 * builtins.c (expand_builtin_pow_root): New function to expand pow
2089 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2090 series of sqrt and cbrt calls under -ffast-math.
2091 (expand_builtin_pow): Call it.
2093 2010-04-14 Michael Matz <matz@suse.de>
2095 PR tree-optimization/42963
2096 * tree-cfg.c (touched_switch_bbs): New static variable.
2097 (group_case_labels_stmt): New function broken out from ...
2098 (group_case_labels): ... here, use the above.
2099 (start_recording_case_labels): Allocate touched_switch_bbs.
2100 (end_recording_case_labels): Deallocate it, call
2101 group_case_labels_stmt.
2102 (gimple_redirect_edge_and_branch): Remember index of affected BB.
2104 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2106 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2109 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2111 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2113 2010-04-13 Jan Hubicka <jh@suse.cz>
2115 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2116 of optimized out static functions.
2117 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2118 cost computation. Also sanity check for overflows.
2119 (update_caller_keys): Update cgraph_edge_badness call; properly
2120 update fibheap and sanity check that it is up to date.
2121 (add_new_edges_to_heap): Update cgraph_edge_badness.
2122 (cgraph_decide_inlining_of_small_function): Likewise;
2123 add sanity checking that badness in heap is up to date;
2124 improve dumping of reason; Update badness of calls to the
2125 offline copy of function currently inlined; dump badness
2126 of functions not inlined because of unit growth limits.
2128 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2131 * c-common.c (pointer_int_sum): Disregard overflow that occured only
2132 because of sign-extension change when converting to sizetype here...
2133 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2135 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2136 the folding to constants. Remove redundant final conversion.
2137 (fold_binary) <associate>: Do not associate if the re-association of
2138 constants alone overflows.
2139 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2140 to the end of the list.
2141 (multiple_of_p) <COND_EXPR>: New case.
2143 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
2145 * opt-functions.awk (opt_sanitized_name): New.
2147 * optc-gen.awk: Use it
2148 * opth-gen.awk: Use it.
2150 2010-04-13 Martin Jambor <mjambor@suse.cz>
2152 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2153 (sra_modify_assign): Delete stmts loading dead data even if racc has no
2154 children. Call replace_uses_with_default_def_ssa_name to handle
2157 2010-04-13 Michael Matz <matz@suse.de>
2160 * builtins.c (expand_builtin_interclass_mathfn): Also create
2161 a register if the predicate doesn't match.
2163 2010-04-13 Diego Novillo <dnovillo@google.com>
2165 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2166 * c-pch.c: Include timevar.h.
2167 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2168 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2169 * ggc-common.c: Include timevar.h.
2170 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2171 * timevar.def (TV_PCH_SAVE): Define.
2172 (TV_PCH_CPP_SAVE): Define.
2173 (TV_PCH_PTR_REALLOC): Define.
2174 (TV_PCH_PTR_SORT): Define.
2175 (TV_PCH_RESTORE): Define.
2176 (TV_PCH_CPP_RESTORE): Define.
2178 2010-04-13 Michael Matz <matz@suse.de>
2180 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2182 (can_reassociate_p): New function.
2183 (break_up_subtract_bb, reassociate_bb): Use it.
2185 2010-04-13 Richard Guenther <rguenther@suse.de>
2188 * builtins.c (c_readstr): Fix assert.
2190 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
2192 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2193 when generating cltd insn.
2195 (*ashl<mode>3_1): Remove special handling for register operand 2.
2196 (*ashlsi3_1_zext): Ditto.
2197 (*ashlhi3_1): Ditto.
2198 (*ashlhi3_1_lea): Ditto.
2199 (*ashlqi3_1): Ditto.
2200 (*ashlqi3_1_lea): Ditto.
2201 (*<shiftrt_insn><mode>3_1): Ditto.
2202 (*<shiftrt_insn>si3_1_zext): Ditto.
2203 (*<shiftrt_insn>qi3_1_slp): Ditto.
2204 (*<rotate_insn><mode>3_1): Ditto.
2205 (*<rotate_insn>si3_1_zext): Ditto.
2206 (*<rotate_insn>qi3_1_slp): Ditto.
2208 2010-04-13 Richard Guenther <rguenther@suse.de>
2210 * tree-ssa-structalias.c (callused_id): Remove.
2211 (call_stmt_vars): New.
2212 (get_call_vi): Likewise.
2213 (lookup_call_use_vi): Likewise.
2214 (lookup_call_clobber_vi): Likewise.
2215 (get_call_use_vi): Likewise.
2216 (get_call_clobber_vi): Likewise.
2217 (make_transitive_closure_constraints): Likewise.
2218 (handle_const_call): Adjust to do per-call call-used handling.
2219 (handle_pure_call): Likewise.
2220 (find_what_var_points_to): Remove general callused handling.
2221 (init_base_vars): Likewise.
2222 (init_alias_vars): Initialize call_stmt_vars.
2223 (compute_points_to_sets): Process call-used and call-clobbered
2224 vars for call statements.
2225 (delete_points_to_sets): Free call_stmt_vars.
2227 2010-04-13 Richard Guenther <rguenther@suse.de>
2229 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2230 Only add RW dependence for dependence distance zero.
2231 Adjust maximal vectorization factor according to dependences.
2232 Move alignment handling ...
2233 (vect_find_same_alignment_drs): ... here. New function.
2234 (vect_analyze_data_ref_dependences): Adjust.
2235 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2236 (vect_analyze_data_refs): Adjust minimal vectorization factor
2237 according to data references.
2238 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2239 dependences before determining the vectorization factor.
2240 Analyze alignment after determining the vectorization factor.
2241 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2242 dependences before alignment.
2243 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2245 (vect_analyze_data_refs): Likewise.
2246 (MAX_VECTORIZATION_FACTOR): New define.
2248 2010-04-13 Duncan Sands <baldrick@free.fr>
2250 * except.h (lang_eh_type_covers): Remove.
2251 * except.c (lang_eh_type_covers): Likewise.
2253 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2254 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2256 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2257 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2258 UNITS_PER_LONG where it is ABI relevant.
2259 (s390_return_addr_rtx): Likewise.
2260 (s390_back_chain_rtx): Likewise.
2261 (s390_frame_area): Likewise.
2262 (s390_frame_info): Likewise.
2263 (s390_initial_elimination_offset): Likewise.
2264 (save_gprs): Likewise.
2265 (s390_emit_prologue): Likewise.
2266 (s390_emit_epilogue): Likewise.
2267 (s390_function_arg_advance): Likewise.
2268 (s390_function_arg): Likewise.
2269 (s390_va_start): Likewise.
2270 (s390_gimplify_va_arg): Likewise.
2271 (s390_function_profiler): Likewise.
2272 (s390_optimize_prologue): Likewise.
2273 (s390_rtx_costs): Likewise.
2274 (s390_secondary_reload): Likewise.
2275 (s390_promote_function_mode): Likewise.
2276 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2277 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2278 registers available.
2279 (s390_unwind_word_mode): New function.
2280 (s390_function_value): Split 64 bit values into register pair if
2281 used as return value.
2282 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2283 function call parameters. Handle parallels.
2284 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2285 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2286 (DWARF_CIE_DATA_ALIGNMENT): New macro.
2287 (s390_expand_setmem): Remove unused variable src_addr.
2288 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2289 deal with 64 bit registers.
2290 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2291 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2292 (UNITS_PER_LONG): New macro.
2293 * libjava/include/s390-signal.h: Define extended ucontext
2294 structure containing the upper halfs of the 64 bit registers.
2296 2010-04-13 Simon Baldwin <simonb@google.com>
2298 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2300 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2302 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2303 rvalue on the RHS if the LHS is of a non-renamable type.
2304 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2306 2010-04-13 Matthias Klose <doko@ubuntu.com>
2308 * gcc.c (cc1_options): Handle -iplugindir before processing
2309 the cc1 spec. Only add -iplugindir once.
2310 (cpp_unique_options): Add -iplugindir option if -fplugin* options
2312 * common.opt (iplugindir): Remove `Separate' property, initialize.
2313 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2315 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2316 (distclean): Remove plugin dir.
2317 * doc/invoke.texi: Document -iplugindir.
2319 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
2321 * doc/plugins.texi (Loading Plugins): Document short
2322 -fplugin=foo option.
2323 (Plugin API): Mention default_plugin_dir_name function.
2325 * gcc.c (find_file_spec_function): Add new declaration.
2326 (static_spec_func): Use it for "find-file".
2327 (find_file_spec_function): Add new function.
2328 (cc1_options): Add -iplugindir option if -fplugin* options found.
2330 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2332 * plugin.c (add_new_plugin): Updated comment, and handle short
2334 (default_plugin_dir_name): Added new function.
2336 * common.opt (iplugindir): New option to set the plugin directory.
2338 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
2340 * config/i386/i386.md (any_rotate): New code iterator.
2341 (rotate_insn): New code attribute.
2343 (SWIM124): New mode iterator.
2344 (<rotate_insn>ti3): New expander.
2345 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2346 any_rotate code iterator.
2347 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2348 using any_rotate code iterator and SWIM124 mode iterator.
2349 (ix86_rotlti3): New insn_and_split pattern.
2350 (ix86_rotrti3): Ditto.
2351 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2352 ix86_rotl{di,ti}3 patterns.
2353 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2354 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2355 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2356 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2357 code iterator and SWI mode iterator.
2358 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2359 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2361 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2362 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2363 (bswap rotatert splitter): Add splitter.
2364 (bswap splitter): Macroize splitter using any_rotate code iterator.
2365 Add insn predicate to split only for TARGET_USE_XCHGB or when
2366 optimizing function for size.
2368 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2370 * config/pa/pa.c (emit_move_sequence): Remove use of
2371 deleted variable flag_argument_noalias.
2373 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2375 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2377 Add to unsupported targets list.
2378 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2379 sparc*-sun-solaris2.[567]* from target lists.
2380 * configure: Regenerate.
2381 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2383 Remove Solaris 7 patch references.
2384 (Specific, sparc-sun-solaris2.7): Removed.
2385 (sparc-sun-solaris2*): Update Solaris 7 example.
2386 (sparc64-*-solaris2*): Likewise.
2388 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2390 * config.build (alpha*-dec-osf4*): Remove.
2391 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2392 of obsolete configurations.
2393 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2395 * config/alpha/t-osf4: Renamed to ...
2396 * config/alpha/t-osf5: ... this.
2397 * config/alpha/osf.h: Renamed to ...
2398 * config/alpha/osf5.h: ... this.
2399 Merged old osf5.h contents.
2401 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2402 (EXTRA_SPECS): Removed.
2403 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2404 reflect removal of Tru64 UNIX V4.0/V5.0 support.
2407 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2409 * doc/contrib.texi (Contributors, Rainer Orth): Update.
2411 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
2414 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2415 __thiscall convention.
2417 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2419 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2421 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2423 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2425 * function.c (assign_parms_initialize_all): Add unused attribute
2428 2010-04-12 Richard Guenther <rguenther@suse.de>
2430 * gsstruct.def (GSS_CALL): New.
2431 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2432 * gimple.h: Include tree-ssa-alias.h.
2433 (struct gimple_statement_call): New.
2434 (union gimple_statement_struct_d): Add gimple_call member.
2435 (gimple_call_reset_alias_info): Declare.
2436 (gimple_call_use_set): New function.
2437 (gimple_call_clobber_set): Likewise.
2438 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2439 * gimple.c (gimple_call_reset_alias_info): New function.
2440 (gimple_build_call_1): Call it.
2441 * lto-streamer-in.c (input_gimple_stmt): Likewise.
2442 * tree-inline.c (remap_gimple_stmt): Likewise.
2443 (expand_call_inline): Remove callused handling.
2444 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2445 * tree-dfa.c (dump_variable): Likewise.
2446 * tree-parloops.c (parallelize_loops): Likewise.
2447 * tree-ssa.c (init_tree_ssa): Likewise.
2448 (delete_tree_ssa): Likewise.
2449 * tree-flow-inline.h (is_call_used): Remove.
2450 * tree-flow.h (struct gimple_df): Remove callused member.
2451 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2452 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2453 (ref_maybe_used_by_call_p_1): Simplify.
2454 (call_may_clobber_ref_p_1): Likewise.
2455 * tree-ssa-structalias.c (compute_points_to_sets): Set
2456 the call stmt used and clobbered sets.
2457 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2458 (find_tail_calls): Verify the tail call.
2460 2010-04-12 Richard Guenther <rguenther@suse.de>
2462 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2463 single-iteration always-inline inlining.
2464 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2465 (cgraph_decide_inlining): Do not handle always-inline specially.
2466 (try_inline): Remove always-inline cycle detection special case.
2467 Do not recurse on always-inlines.
2468 (cgraph_early_inlining): Do not iterate if not optimizing.
2469 (cgraph_gate_early_inlining): remove.
2470 (pass_early_inline): Run unconditionally.
2471 (gate_cgraph_decide_inlining): New function.
2472 (pass_ipa_inline): Use it. Do not run the IPA inliner if
2473 not inlining or optimizing.
2474 (cgraph_decide_inlining_of_small_functions): Also consider
2475 always-inline functions.
2476 (cgraph_default_inline_p): Return true for nodes which should
2477 disregard inline limits.
2478 (estimate_function_body_sizes): Assume zero size and time for
2479 nodes which are marked as disregarding inline limits.
2480 (cgraph_decide_recursive_inlining): Do not perform recursive
2481 inlining on always-inline nodes.
2483 2010-04-12 Jakub Jelinek <jakub@redhat.com>
2486 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2487 for exprs satisfying handled_component_p.
2489 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
2491 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2492 non-constant aggregate elements.
2494 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2495 is a real initialization.
2497 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
2500 * c-decl.c (start_function): Move forward check for nested function.
2502 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
2504 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2505 * config/sh/sh.c: Include reload.h.
2506 (sh_legitimize_reload_address): New.
2507 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2508 sh_legitimize_reload_address.
2510 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2512 * config/sh/sh.md (*movqi_pop): New insn pattern.
2513 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2515 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2517 * config/i386/i386.md (any_shiftrt): New code iterator.
2518 (shiftrt_insn): New code attribute.
2520 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2521 using any_shiftrt code iterator.
2522 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2523 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2524 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2525 pattern from corresponding peephole2 patterns.
2526 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2527 using any_shiftrt code iterator.
2528 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2529 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2530 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2531 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2532 *{ashr,lshr}<mode>3_cmp_zext.
2533 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2535 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2537 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2539 (*lshr<mode>3_cconly): Ditto.
2541 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
2543 * config/i386/i386.md (lshr<mode>3): Macroize expander from
2544 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2545 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2546 pattern from *lshr{di,ti}3_1 and corresponding splitters using
2548 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2549 from corresponding peephole2 patterns.
2550 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2551 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2552 and *lshrdi3_1_rex64 using SWI mode iterator.
2553 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2554 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2555 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2556 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2557 and *lshrdi3_cmp_rex64 using SWI mode iterator.
2558 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2559 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2560 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2561 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2564 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
2566 * config/i386/i386.md (ashr<mode>3): Macroize expander from
2567 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2568 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
2569 pattern from *ashr{di,ti}3_1 and corresponding splitters using
2571 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2572 from corresponding peephole2 patterns.
2573 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2574 (ashrsi3_cvt): Rename from ashrsi3_31.
2575 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2576 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2577 and x86_64_shift_adj_3 using SWI48 mode iterator.
2578 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2579 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2580 and *ashrdi3_1_rex64 using SWI mode iterator.
2581 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2582 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2583 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2584 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2585 and *ashrdi3_cmp_rex64 using SWI mode iterator.
2586 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2587 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2588 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2589 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2591 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2592 * config/i386/i386.c (ix86_split_ashr): Update for renamed
2593 x86_shift<mode>_adj_3 expanders.
2595 2010-04-10 Wei Guozhi <carrot@google.com>
2598 * config/arm/arm.c (arm_pic_static_addr): New function.
2599 (legitimize_pic_address): Call arm_pic_static_addr when it detects
2601 (arm_output_addr_const_extra): Output expression for new pattern.
2602 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2604 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
2606 * ira-costs.c (record_reg_classes): Ignore alternatives that are
2609 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2610 * web.c: Include "insn-config.h" and "recog.h".
2611 (union_match_dups): New function.
2612 (web_main): Call it.
2613 (union_defs): Don't try to recognize match_dups.
2615 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2616 if doing so would replace the entire pattern.
2618 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2622 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2623 and splitter pattern. Change splitter operand 1 predicate to
2626 2010-04-09 Martin Jambor <mjambor@suse.cz>
2628 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2629 lattices are addresses of CONST_DECLs with the same initial value.
2630 (ipcp_print_all_lattices): Print values of CONST_DECLs.
2631 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2633 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
2634 Bernd Schmidt <bernds@codesourcery.com>
2636 * loop-invariant.c (replace_uses): New static function.
2637 (move_invariant_reg): Use it to ensure we can replace the uses.
2639 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
2641 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2643 (picochip_override_options): Enable section anchors only above -O1.
2644 (picochip_reorg): Fixed a couple of build warnings.
2646 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2648 * configure.ac (plugin -rdynamic test): Log result.
2649 * configure: Regenerate.
2650 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2651 (RDYNAMIC_SPEC): Define.
2652 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2654 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2656 * configure.ac: Determine Sun ld version numbers.
2657 (comdat_group): Restrict GNU ld version checks to gld.
2658 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2659 (enable_comdat): Support --enable-comdat.
2660 * configure: Regenerate.
2661 * doc/install.texi (Configuration): Document --enable-comdat.
2663 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2665 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
2666 * config/sol2-gld.h: ... here.
2667 * config.gcc (sparc*-*-solaris2*): Reflect this.
2668 (i[34567]86-*-solaris2*): Use it.
2670 2010-04-09 Steve Ellcey <sje@cup.hp.com>
2672 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2674 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2676 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2679 * diagnostic.c (diagnostic_initialize): Initialize
2680 some_warnings_are_errors.
2681 (diagnostic_finish): New.
2682 (diagnostic_action_after_output): Call it before exiting.
2683 (diagnostic_report_diagnostic): Do not print message here. Set
2684 some_warnings_are_errors.
2685 * diagnostic.h (diagnostic_context): Delete
2686 issue_warnings_are_errors_message. Add some_warnings_are_errors.
2687 (diagnostic_finish): Declare.
2688 * toplev.c (toplev_main): Call it before exit.
2690 2010-04-09 Jason Merrill <jason@redhat.com>
2693 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2694 for incomplete type.
2697 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2698 based on a warning flag.
2700 2010-04-09 Richard Guenther <rguenther@suse.de>
2702 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2704 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
2707 * varasm.c (default_assemble_visibility): Wrap vars that are
2708 set, but unused, by targets without GAS.
2709 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2710 Remove set, but unused, vars.
2711 (rs6000_legitimize_tls_address): Likewise.
2712 (altivec_expand_dst_builtin): Likewise.
2713 * config/darwin.c (machopic_classify_symbol): Likewise.
2714 (machopic_indirection_name): Likewise.
2716 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2718 * config/i386/i386.md (DWI): New mode iterator.
2719 (S): New mode attribute.
2720 (shift_operand): Ditto.
2721 (shift_immediate_operand): Ditto.
2722 (ashl_input_operand): Ditto.
2723 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2724 using SDWIM mode iterator.
2725 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
2726 pattern from *ashl{di,ti}3_1 and corresponding splitters using
2728 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2729 from corresponding peephole2 patterns.
2730 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2731 and x86_64_shift_adj_1 using SWI48 mode iterator.
2732 (x86_shift<mode>_adj_2): Ditto.
2733 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2734 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2735 using SWI48 mode iterator.
2736 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2737 *ashldi3_cmp_rex64 using SWI mode iterator.
2738 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2739 *ashldi3_cconly_rex64 using SWI mode iterator.
2740 * config/i386/i386.c (ix86_split_ashl): Update for renamed
2741 x86_shift<mode>_adj_{1,2}.
2742 (ix86_split_ashr): Ditto.
2743 (ix86_split_lshr): Ditto.
2745 2010-04-09 Richard Guenther <rguenther@suse.de>
2747 * target.h (builtin_conversion): Pass in input and output types.
2748 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2749 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2750 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2751 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2753 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2755 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2757 2010-04-09 Richard Guenther <rguenther@suse.de>
2760 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2762 2010-04-09 Richard Guenther <rguenther@suse.de>
2764 * tree-vectorizer.h (struct _stmt_vec_info): Document
2765 that vectype is the type of the LHS.
2766 (supportable_widening_operation, supportable_narrowing_operation):
2767 Get both input and output vector types as arguments.
2768 (vect_is_simple_use_1): Declare.
2769 (get_same_sized_vectype): Likewise.
2770 * tree-vect-loop.c (vect_determine_vectorization_factor):
2771 Set STMT_VINFO_VECTYPE to the vector type of the def.
2772 (vectorizable_reduction): Adjust.
2773 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2774 Adjust. Specify the output vector type.
2775 (vect_pattern_recog_1): Adjust.
2776 * tree-vect-stmts.c (get_same_sized_vectype): New function.
2777 (vectorizable_call): Adjust.
2778 (vectorizable_conversion): Likewise.
2779 (vectorizable_operation): Likewise.
2780 (vectorizable_type_demotion): Likewise.
2781 (vectorizable_type_promotion): Likewise.
2782 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2784 (vect_is_simple_use_1): New function.
2785 (supportable_widening_operation): Get both input and output
2787 (supportable_narrowing_operation): Likewise.
2788 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2790 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
2792 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2793 __thiscall and _thiscall as predefined macros.
2794 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2795 thiscall attribute handling.
2796 (ix86_comp_type_attributes): Likewise.
2797 (ix86_function_regparm): Likewise.
2798 (ix86_return_pops_args): Likewise.
2799 (init_cumulative_args): Likewise.
2800 (find_drap_reg): Likewise.
2801 (ix86_static_chain): Likewise.
2802 (x86_this_parameter): Likewise.
2803 (x86_output_mi_thunk): Likewise.
2804 (ix86_attribute_table): Add description for thiscall attribute.
2805 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2806 * doc/extend.texi: Add documentation for thiscall.
2808 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2811 * c.opt (Wint-to-pointer-cast): Available in C++.
2812 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2814 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
2816 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2817 * calls.c (expand_call): Pass the function type to aggregate_value_p.
2818 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2819 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
2820 function type instead. Reorder and simplify checks.
2822 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2824 2010-04-08 Jing Yu <jingyu@google.com>
2825 Zdenek Dvorak <ook@ucw.cz>
2827 PR tree-optimization/42720
2828 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2829 loop unswitch conditions here from ...
2830 (tree_unswitch_single_loop): ... here.
2832 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2834 * tree-if-conv.c: Fix comments and simplify logic.
2836 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2838 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2839 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
2840 (main_tree_if_conversion): Update call to tree_if_conversion.
2842 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
2845 * doc/invoke.texi (-b,-V): Delete.
2846 * doc/tm.texi: Do not mention -b.
2847 * gcc.c (display_help): Delete -b and -V.
2848 (process_command): Delete -b and -V.
2849 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2851 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
2852 Wolfgang Gellerich <gellerich@de.ibm.com>
2854 Implement target hook for loop unrolling
2855 * target.h (loop_unroll_adjust): Add a new target hook function.
2856 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2857 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2858 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2859 (s390_loop_unroll_adjust): Implement the new target hook for s390.
2860 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2862 (decide_unroll_stupid): Likewise.
2864 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2867 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2869 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2871 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2872 (Specific, *-*-solaris2*): Likewise.
2873 Don't prefer Sun as over GNU as.
2875 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
2877 * config/s390/s390.c (override_options): Adjust the z10
2878 defaults for max-unroll-times, max-completely-peeled-insns
2879 and max-completely-peel-times.
2881 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2883 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2884 instructions for z10.
2885 (s390_expand_setmem): Likewise.
2886 (s390_expand_cmpmem): Likewise.
2888 2010-04-08 Richard Guenther <rguenther@suse.de>
2890 PR tree-optimization/43679
2891 * tree-ssa-pre.c (eliminate): Only propagate copies.
2893 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2896 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2897 set but not used variable warning.
2899 2010-04-08 Wei Guozhi <carrot@google.com>
2902 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2903 (arm_size_rtx_costs): Call the new function when optimized for size.
2905 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2908 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2909 op0 is not a MEM, just return NULL instead of assertion
2911 (discover_nonconstant_array_refs): Don't walk debug stmts.
2913 2010-04-08 Doug Kwan <dougkwan@google.com>
2915 * configure.ac: Recognize gold and do not use its version number
2916 to test ld features.
2917 * configure: Regenerate.
2919 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
2922 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2923 (negate_value): Move code to push elements to broken_up_substracts ...
2924 (eliminate_plus_minus_pair): ... here. Push operands that have no
2925 negative pair to plus_negates.
2926 (repropagate_negates, init_reassoc, fini_reassoc): Update.
2928 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2930 * doc/install.texi (Configuration): Move description of
2931 --enable-lto, --with-libelf*, --enable-gold from Java section to
2934 * doc/generic.texi (Working with declarations)
2935 (Function Properties, C and C++ Trees): Fix typos.
2936 * doc/sourcebuild.texi (Top Level): Likewise.
2938 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2941 * tree.h (DECL_READ_P): Define.
2942 (struct tree_decl_common): Add decl_read_flag.
2943 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2944 a set but not used warning.
2945 (merge_decls): Merge DECL_READ_P flag.
2946 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2947 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2948 * c-common.c (handle_used_attribute, handle_unused_attribute):
2950 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2952 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2954 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2955 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2956 c_parser_binary_expression, c_parser_cast_expression,
2957 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2958 Call default_function_array_read_conversion instead of
2959 default_function_array_conversion where needed.
2960 (c_parser_unary_expression, c_parser_conditional_expression,
2961 c_parser_postfix_expression_after_primary, c_parser_initelt):
2962 Likewise. Call mark_exp_read where needed.
2963 (c_parser_statement_after_labels, c_parser_asm_operands,
2964 c_parser_typeof_specifier, c_parser_sizeof_expression,
2965 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2967 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2969 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2970 (warn_unused_but_set_parameter): Default to warn_unused
2972 * doc/invoke.texi: Document -Wunused-but-set-variable and
2973 -Wunused-but-set-parameter.
2975 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2976 used count variable.
2977 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2978 when operandN variables aren't used in the body of the expander
2980 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2981 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2982 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2983 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2984 FOR_EACH_IMM_USE_ON_STMT): Likewise.
2985 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2986 * tree.c (PROCESS_ARG): Likewise.
2988 2010-04-07 Simon Baldwin <simonb@google.com>
2990 * diagnostic.h (diagnostic_override_option_index): New macro to
2991 set a diagnostic's option_index.
2992 * c-tree.h (c_cpp_error): Add warning reason argument.
2993 * opts.c (_warning_as_error_callback): New.
2994 (register_warning_as_error_callback): Store callback for
2995 warnings enabled via enable_warning_as_error.
2996 (enable_warning_as_error): Call callback, minor code tidy.
2997 * opts.h (register_warning_as_error_callback): Declare.
2998 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2999 response to -Werror=.
3000 (c_common_init_options): Register warning_as_error_callback in opts.c.
3001 * common.opt: Add -Wno-cpp option.
3002 * c-common.c (struct reason_option_codes_t): Map cpp warning
3003 reason codes to gcc option indexes.
3004 * (c_option_controlling_cpp_error): New function, lookup the gcc
3005 option index for a cpp warning reason code.
3006 * (c_cpp_error): Add warning reason argument, call
3007 c_option_controlling_cpp_error for diagnostic_override_option_index.
3008 * doc/invoke.texi: Document -Wno-cpp.
3010 2010-04-07 Richard Guenther <rguenther@suse.de>
3012 * ipa-reference.c (mark_load): Use get_base_address.
3013 (mark_store): Likewise.
3015 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3016 inserting GIMPLE_NOPs into the IL.
3017 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3018 Explicitly strip handled components and indirect references.
3020 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3021 folding address expressions.
3022 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3023 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3024 operand_equal_p to compare decls.
3025 (ptr_deref_may_alias_decl_p): Likewise.
3026 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3027 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3028 Handle reversed comparison ops.
3029 * tree-sra.c (asm_visit_addr): Use get_base_address.
3030 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3031 * ipa-reference.c (mark_address): Use get_base_address.
3033 2010-04-07 Richard Guenther <rguenther@suse.de>
3035 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3036 Propagate constants everywhere.
3038 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3041 * tree.c (MAX_INT_CACHED_PREC): Define.
3042 (nonstandard_integer_type_cache): New array.
3043 (build_nonstandard_integer_type): Cache results for precision
3044 <= MAX_INT_CACHED_PREC.
3046 2010-04-07 Richard Guenther <rguenther@suse.de>
3048 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3049 -fargument-noalias-global, -fargument-noalias-anything): Remove.
3050 * common.opt: Likewise.
3051 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3052 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3053 (nonoverlapping_memrefs_p): Likewise.
3054 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3055 * opts.c (common_handle_option): Handle OPT_fargument_alias,
3056 OPT_fargument_noalias, OPT_fargument_noalias_anything and
3057 OPT_fargument_noalias_global for backward compatibility.
3059 2010-04-07 Richard Guenther <rguenther@suse.de>
3061 PR tree-optimization/43270
3062 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3063 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3064 * tree-ssa-pre.c (phi_translate_1): Adjust.
3065 (fully_constant_expression): Split out vn_reference handling to ...
3066 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3067 Fold reads from constant strings.
3068 (vn_reference_lookup): Handle fully constant references.
3069 (vn_reference_lookup_pieces): Likewise.
3070 * Makefile.in (expmed.o-warn): Add -Wno-error.
3072 2010-04-07 Martin Jambor <mjambor@suse.cz>
3074 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3076 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
3079 * gcc.c: Add -static-libstdc++ to list of recognized options.
3081 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3083 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3085 2010-04-07 Richard Guenther <rguenther@suse.de>
3088 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3089 bases build simple mem attributes to retain points-to information.
3091 2010-04-07 Richard Guenther <rguenther@suse.de>
3094 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3095 preserve points-to related information.
3097 2010-04-07 Richard Guenther <rguenther@suse.de>
3100 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3101 discard plain indirect references.
3102 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3103 * tree.c (tree_nop_conversion): Likewise.
3105 2010-04-07 Dodji Seketeli <dodji@redhat.com>
3108 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3110 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
3112 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3113 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3115 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3117 * tree-if-conv.c: Fix indentation and comments.
3119 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3121 * tree-if-conv.c: Sort static functions in topological order.
3123 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3125 * tree-if-conv.c: Fix indentation and comments.
3127 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3130 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3131 lang_hooks.types.type_for_size instead of
3132 build_nonstandard_integer_type.
3133 When converting an unsigned type to signed, double its precision.
3134 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3135 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3136 (graphite_create_new_loop_guard): When ub + 1 wraps around,
3139 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3142 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3143 POINTER_PLUS_EXPR for pointer types.
3145 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3148 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3149 * graphite-clast-to-gimple.c: Include langhooks.h.
3150 (max_signed_precision_type): New.
3151 (max_precision_type): Takes two types as arguments.
3152 (precision_for_value): New.
3153 (precision_for_interval): New.
3154 (gcc_type_for_interval): New.
3155 (gcc_type_for_value): New.
3156 (gcc_type_for_clast_term): New.
3157 (gcc_type_for_clast_red): New.
3158 (gcc_type_for_clast_bin): New.
3159 (gcc_type_for_clast_expr): Split up into several functions.
3160 (gcc_type_for_clast_eq): Rewritten.
3161 (compute_bounds_for_level): New.
3162 (compute_type_for_level_1): New.
3163 (compute_type_for_level): New.
3164 (gcc_type_for_cloog_iv): Removed.
3165 (gcc_type_for_iv_of_clast_loop): Rewritten.
3166 (graphite_create_new_loop): Compute the lower and upper bound types
3167 with gcc_type_for_clast_expr.
3168 (graphite_create_new_loop_guard): Same.
3169 (find_cloog_iv_in_expr): Removed.
3170 (compute_cloog_iv_types_1): Removed.
3171 (compute_cloog_iv_types): Removed.
3172 (gloog): Do not call compute_cloog_iv_types.
3173 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3175 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3176 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3177 (GBB_CLOOG_IV_TYPES): Removed.
3179 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3181 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3182 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3183 (detect_commutative_reduction): Same.
3185 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3187 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3188 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
3190 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3191 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3192 (rewrite_commutative_reductions_out_of_ssa): Same.
3193 * passes.c (execute_function_todo): Call verify_ssa for every pass
3194 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
3195 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3196 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3197 with an extra argument.
3198 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
3199 verify_ssa only when the extra argument is true.
3200 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3201 with an extra argument.
3202 (tree_transform_and_unroll_loop): Same.
3204 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3206 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3207 for all the passes of the LNO having LOOP_CLOSED_SSA.
3208 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3209 * tree-loop-distribution.c (pass_loop_distribution): Same.
3210 * tree-pass.h (TODO_verify_loops): Removed.
3211 * tree-ssa-loop.c (pass_tree_loop_init): Same.
3213 (pass_tree_unswitch): Same.
3214 (pass_predcom): Same.
3215 (pass_vectorize): Same.
3216 (pass_linear_transform): Same.
3217 (pass_graphite_transforms): Same.
3218 (pass_iv_canon): Same.
3219 (pass_complete_unroll): Same.
3220 (pass_complete_unrolli): Same.
3221 (pass_parallelize_loops): Same.
3222 (pass_loop_prefetch): Same.
3223 (pass_iv_optimize): Same.
3225 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
3228 * passes.c (init_optimization_passes): Move pass_lim before
3229 pass_copy_prop and pass_dce_loop.
3231 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3234 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3235 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3236 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3237 MULTI_* defines for 4 argument vpermil2p* builtins.
3239 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3241 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3242 * config/i386/i386.c (x86_maybe_negate_const_int): New.
3243 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3244 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3245 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3246 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3247 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3248 Use x86_maybe_negate_const_int to output insn mnemonic.
3249 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
3250 check from instruction predicate. Update comments.
3251 * config/i386/sync.md (sync_add<mode>): Use
3252 x86_maybe_negate_const_int to output insn mnemonic.
3254 2010-04-06 Jan Hubicka <jh@suse.cz>
3256 PR tree-optimization/42906
3257 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3258 IGNORE_SELF argument. Set visited_control_parents for fully
3260 (find_obviously_necessary_stmts): Update call of
3261 mark_control_dependent_edges_necessary.
3262 (propagate_necessity): Likewise. Handle PHI edges more curefully.
3264 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3266 * config/i386/i386.md: Remove comment about 'e' and 'E'
3269 2010-04-06 Richard Guenther <rguenther@suse.de>
3271 PR tree-optimization/43627
3272 * tree-vrp.c (extract_range_from_unary_expr): Widenings
3273 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3276 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3278 * BASE-VER: Change to 4.6.0.
3281 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3284 2010-04-06 Richard Guenther <rguenther@suse.de>
3287 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3289 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3291 * doc/invoke.texi (Optimize Options): Document that LTO
3292 won't remove object access purely due to incompatible
3295 2010-04-04 Matthias Klose <doko@ubuntu.com>
3297 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3298 Initialize variable.
3300 2010-04-03 Richard Guenther <rguenther@suse.de>
3303 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3304 require a non-NULL MEM_OFFSET.
3306 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
3308 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3309 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3310 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3311 config/alpha/predicates.md, config/arm/arm.md,
3312 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3313 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3314 config/darwin9.h, config/darwin.c, config/darwin.h,
3315 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3316 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3317 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3318 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3319 config/mips/mips.md, config/mn10300/mn10300.c,
3320 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3321 config/rs6000/aix.h, config/rs6000/dfp.md,
3322 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3323 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3324 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3325 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3326 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3327 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3328 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3329 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3330 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3331 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3332 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3333 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3334 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3335 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3336 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3337 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3338 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3339 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3340 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3341 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3342 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3343 opt-functions.awk, opth-gen.awk, params.def, passes.c,
3344 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3345 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3346 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3347 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3348 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3349 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3350 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3351 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3352 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3353 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3354 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3355 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3356 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3357 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3359 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3362 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3363 * aclocal.m4: Regenerate.
3365 2010-04-02 Richard Guenther <rguenther@suse.de>
3367 PR tree-optimization/43629
3368 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3369 if we have seen a constant value.
3371 2010-04-02 Joseph Myers <joseph@codesourcery.com>
3373 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3375 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
3378 * arm.c (legitimize_tls_address): Adjust call to
3379 gen_tls_load_dot_plus_four.
3380 (arm_note_pic_base): New function.
3381 (arm_cannot_copy_insn_p): Use it.
3382 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3385 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3390 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3392 * Makefile.in ($(out_object_file)): Depend on
3393 gt-$(basename $(notdir $(out_file))).h.
3395 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
3397 * config.gcc (lm32-*-rtems*): Add t-lm32.
3399 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
3401 * config.gcc: Add lm32-*-rtems*.
3402 * config/lm32/rtems.h: New file.
3404 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
3407 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3409 2010-04-01 Jakub Jelinek <jakub@redhat.com>
3411 * dwarf2out.c (output_compilation_unit_header): For
3412 -gdwarf-4 use version 4 instead of version 3.
3413 (output_line_info): For version 4 and above emit additional
3414 maximum ops per insn header field.
3415 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3417 * dwarf2out.c (is_c_family, is_java): Remove.
3418 (lower_bound_default): New function.
3419 (add_bound_info, gen_descr_array_type_die): Use it.
3421 2010-04-01 Dodji Seketeli <dodji@redhat.com>
3424 * dwarf2out.c (gen_variable_die): Allow debug info for variable
3425 re-declaration when it happens in a function.
3427 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
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