1 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
3 * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
4 (is_loop_prefetching_profitable): Do not insert prefetches
5 when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
6 times the prefetch ahead distance.
8 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
10 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
11 Account for loop unrolling in the insn-to-prefetch ratio heuristic.
12 (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
15 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
17 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
18 a diagnostic info when the insn-to-mem ratio is too small.
20 2010-05-07 Richard Guenther <rguenther@suse.de>
22 * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
24 (store_arg): Queue temp_filename for deletion instead of
27 2010-05-07 Richard Guenther <rguenther@suse.de>
29 * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
30 (run_gcc): Handle LTRANS phase invocation.
31 * collect2.c (maybe_run_lto_and_relink): Do not set
34 2010-05-07 Jakub Jelinek <jakub@redhat.com>
36 * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
37 this is also meaningful on PARM_DECLs and RESULT_DECLs.
39 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
41 * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
43 2010-05-07 Richard Guenther <rguenther@suse.de>
45 PR tree-optimization/44020
46 * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
47 code when PRE is not yet initialized.
49 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
51 * config/mips/dbxmdebug.h: Remove.
52 * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
54 2010-05-07 Shujing Zhao <pearly.zhao@oracle.com>
56 * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
57 with null pointer and also warn about ordered comparison of zero with
60 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
63 (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
64 * graphite-clast-to-gimple.c
65 (clast_to_gcc_expression): Same.
66 (precision_for_value): Same.
67 (precision_for_interval): Same.
68 (gcc_type_for_interval): Same.
69 (graphite_create_new_guard): Same.
70 (compute_bounds_for_level): Same.
71 (graphite_create_new_loop_guard): Same.
72 * graphite-interchange.c
73 (build_linearized_memory_access): Same.
74 (pdr_stride_in_loop): Same.
75 (memory_strides_in_loop_1): Same.
76 (memory_strides_in_loop): Same.
77 (extend_scattering): Same.
78 (psct_scattering_dim_for_loop_depth): Same.
79 (pbb_number_of_iterations): Same.
81 (debug_iteration_domains): Same.
83 (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
84 (ppl_set_inhomogeneous_gmp): Same.
85 (ppl_strip_loop): Same.
86 (ppl_lexico_compare_linear_expressions): Same.
87 (ppl_read_polyhedron_matrix): Same.
88 (ppl_max_for_le_pointset): Same.
90 (ppl_read_polyhedron_matrix): Same.
91 (tree_int_to_gmp): Same.
92 (gmp_cst_to_tree): Same.
93 (ppl_set_inhomogeneous): Same.
94 (ppl_set_inhomogeneous_tree): Same.
96 (ppl_set_coef_tree): Same.
97 * graphite-sese-to-poly.c
98 (build_pbb_scattering_polyhedrons): Same.
99 (build_scop_scattering): Same.
100 (scan_tree_for_params_right_scev): Same.
101 (scan_tree_for_params): Same.
102 (find_params_in_bb): Same.
103 (find_scop_parameters): Same.
104 (add_upper_bounds_from_estimated_nit): Same.
105 (build_loop_iteration_domains): Same.
106 (add_condition_to_domain): Same.
107 (pdr_add_memory_accesses): Same.
109 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
111 * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
112 CLooG's value_* macros to their respective mpz_* counterparts.
113 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
114 (graphite_create_new_loop_guard): Same.
115 * graphite-interchange.c (build_linearized_memory_access): Same.
116 (pdr_stride_in_loop): Same.
117 (memory_strides_in_loop_1): Same.
118 (1st_interchange_profitable_p): Same.
119 * graphite-poly.c (extend_scattering): Same.
120 (psct_scattering_dim_for_loop_depth): Same.
121 (pbb_number_of_iterations): Same.
122 (pbb_number_of_iterations_at_time): Same.
123 * graphite-poly.h (new_1st_loop): Same.
124 * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
125 (oppose_constraint): Same.
126 (insert_constraint_into_matrix): Same.
127 (ppl_set_inhomogeneous_gmp): Same.
128 (ppl_set_coef_gmp): Same.
129 (ppl_strip_loop): Same.
130 (ppl_lexico_compare_linear_expressions): Same.
131 (ppl_max_for_le_pointset): Same.
132 (ppl_min_for_le_pointset): Same.
133 (ppl_build_realtion): Same.
134 * graphite-ppl.h (gmp_cst_to_tree): Same.
135 (ppl_set_inhomogeneous): Same.
136 (ppl_set_inhomogeneous_tree): Same.
137 (ppl_set_coef): Same.
138 (ppl_set_coef_tree): Same.
139 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
140 (build_scop_scattering): Same.
141 (add_value_to_dim): Same.
142 (scan_tree_for_params_right_scev): Same.
143 (scan_tree_for_params_int): Same.
144 (scan_tree_for_params): Same.
145 (find_params_in_bb): Same.
146 (find_scop_parameters): Same.
147 (add_upper_bounds_from_estimated_nit): Same.
148 (build_loop_iteration_domains): Same.
149 (create_linear_expr_from_tree): Same.
150 (add_condition_to_domain): Same.
151 (pdr_add_memory_accesses): Same.
153 2010-05-06 Magnus Fromreide <magfr@lysator.liu.se>
154 Jason Merrill <jason@redhat.com>
156 * c-common.c (c_common_reswords): Add nullptr.
157 * c-common.h: Add RID_NULLPTR. Reorganize C++0x rids.
158 * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
159 (gen_type_die_with_usage): Likewise.
160 * dbxout.c (dbxout_type): Likewise.
161 * sdbout.c (plain_type_1): Likewise.
163 2010-05-06 Jason Merrill <jason@redhat.com>
165 * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
166 Don't change GS_OK to GS_ALL_DONE. Make sure that all cases set
168 (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
170 * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
171 stripping WITH_SIZE_EXPR.
172 (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
175 2010-05-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
177 * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
178 list of obsolete configurations.
179 Disabled check for obsolete configurations.
180 (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
181 Removed support for previous versions.
182 * config/mips/iris.h: Removed.
183 * config/mips/iris5.h: Removed.
184 * config/mips/iris6.h: Merged old iris.h contents.
185 (TARGET_IRIX): Removed.
186 (DRIVER_SELF_SPECS): Removed mabi=32.
187 (IDENT_ASM_OP): Removed undef.
188 (STARTFILE_SPEC): Removed mabi=32.
189 (ENDFILE_SPEC): Likewise.
190 (IRIX_SUBTARGET_LINK_SPEC): Likewise.
191 (MACHINE_TYPE): Update for IRIX 6.5.
192 * config/mips/mips.c (mips_build_builtin_va_list): Replaced
193 TARGET_IRIX by TARGET_IRIX6.
194 (mips_file_start): Likewise.
195 (mips_output_external): Remove IRIX 5/6 O32 support.
196 (mips_output_function_prologue): Likewise.
197 * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
199 (TARGET_CPU_CPP_BUILTINS): Likewise.
200 (TARGET_IRIX): Removed.
201 * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
202 (MULTILIB_DIRNAMES): Removed 32.
203 (MULTILIB_OSDIRNAMES): Removed ../lib.
204 * doc/install.texi (Prerequisites): Don't reference IRIX before
206 (Specific, mips-sgi-irix5): Document removal.
207 (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI
209 Remove references to older IRIX 6 releases and the O32 ABI.
211 2010-05-06 Jakub Jelinek <jakub@redhat.com>
213 * gcc.dg/Wunused-var-8.c: Move to...
214 * c-c++-common/Wunused-var-6.c: ... here. New test.
217 * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
218 instead of DF_REF_REAL_REG.
220 2010-05-06 Dave Korn <dave.korn.cygwin@gmail.com>
223 * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
224 handling to still return true for x64 targets.
226 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
228 * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
230 2010-05-06 Jan Hubicka <jh@suse.cz>
232 PR tree-optimization/43791
233 * ipa-inline.c (update_caller_keys): Remove bogus
234 disregard_inline_limits check.
236 2010-05-06 Michael Matz <matz@suse.de>
238 PR tree-optimization/43984
239 * tree-ssa-pre.c (inserted_phi_names): Remove.
240 (inserted_exprs): Change to bitmap.
241 (create_expression_by_pieces): Set bits, don't append to vector.
242 (insert_into_preds_of_block): Don't handle inserted_phi_names.
243 (eliminate): Don't look at inserted_phi_names, remove deleted
244 insns from inserted_exprs.
245 (remove_dead_inserted_code): Adjust to use bitmaps instead of
247 (init_pre, fini_pre): Allocate and free bitmaps.
248 (execute_pre): Insert insns on edges before elimination.
250 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
252 * tree.c (initializer_zerop): Handle STRING_CST.
254 2010-05-06 Manuel López-Ibáñez <manu@gcc.gnu.org>
257 * doc/invoke.texi (Wimplicit): Document as C only.
258 * opts.c (common_handle_option): Add argument kind.
259 (handle_option): Rename as read_cmdline_option. Factor out code to...
260 (handle_option): ... here. New.
261 (handle_options): Rename as read_cmdline_options.
262 (decode_options): Update call.
263 (set_option): Use option index instead of option pointer. Classify
264 diagnostics correctly.
265 (enable_warning_as_error): Call handle_option.
266 * opts.h (set_option): Update declaration.
267 (handle_option): Declare.
268 * langhooks.h (struct lang_hooks): Add argument kind to
270 * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
271 * c-opts.c (set_Wimplicit): Delete.
272 (c_family_lang_mask): New static constant.
273 (c_common_handle_option): Add argument kind. Use handle_option
274 instead of set_Wimplicit.
275 (c_common_post_options): warn_implicit and warn_implicit_int
276 are disabled by default.
277 * c-common.c (warn_implicit): Do not define here.
278 * c-common.h (warn_implicit): Do not declare here.
279 (c_common_handle_option): Update declaration.
280 * lto-opts.c (lto_reissue_options): Update call to set_option.
282 2010-05-06 Richard Guenther <rguenther@suse.de>
284 PR tree-optimization/43571
285 * domwalk.c (walk_dominator_tree): Walk the dominator
286 sons in more optimal order.
288 2010-05-06 Richard Guenther <rguenther@suse.de>
290 PR tree-optimization/43934
291 * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
292 (stmt_cost): Likewise.
293 (extract_true_false_args_from_phi): New helper.
294 (determine_max_movement): For PHI nodes verify we can hoist them
295 and compute their cost.
296 (determine_invariantness_stmt): Handle PHI nodes.
297 (move_computations_stmt): Likewise. Hoist PHI nodes in
298 if-converted form using COND_EXPRs.
299 (move_computations): Return TODO_cleanup_cfg if we hoisted PHI
301 (tree_ssa_lim): Likewise.
302 * tree-flow.h (tree_ssa_lim): Adjust prototype.
303 * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
305 2010-05-06 Richard Guenther <rguenther@suse.de>
307 PR tree-optimization/43987
308 * tree-ssa-structalias.c (could_have_pointers): For possibly
309 address-taken variables force pointers to be recorded.
310 (create_variable_info_for_1): Likewise.
311 (push_fields_onto_fieldstack): Pass in wheter all fields
313 (find_func_aliases): Query types instead of vars whether
314 they contain pointers where appropriate.
316 2010-05-06 Jan Hubicka <jh@suse.cz>
318 * cgraphbuild.c (record_reference_ctx): Add varpool_node.
319 (record_reference, mark_address, mark_load, mark_store): Record
321 (record_references_in_initializer): Update call of record_references.
322 (rebuild_cgraph_edges): Remove all references before rebuiding.
323 * cgraph.c (cgraph_create_node): Clear ref list.
324 (cgraph_remove_node): Remove references.
325 (dump_cgraph_node): Dump references.
326 (cgraph_clone_node): Clone references.
327 * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
328 (struct cgraph_node, varpool_node): Add ref_lst.
329 * ipa-ref.c: New file.
330 * ipa-ref.h: New file.
331 * ipa-ref-inline.h: New file.
332 * lto-cgraph.c (output_varpool): Take cgrag node set argument.
333 (referenced_from_other_partition_p): New function.
334 (lto_output_varpool_node): Take set arugment; call
335 referenced_from_other_partition.
336 (lto_output_ref): New.
337 (add_references): New.
339 (output_cgraph): Compute boundary based on references;
341 (output_varpool): Accept cgraph_node_set argument.
344 (input_cgraph): Call input_refs.
345 * lto-section-in.c (lto_section_name): Add refs.
346 * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
347 (ipa-ref.o): New file.
348 * varpool.c (varpool_node): Clear ipa ref list.
349 (varpool_remove_node): Remove references.
350 (dump_varpool_node): Dump references.
351 (varpool_assemble_decl): Only compile finalized ones.
352 (varpool_extra_name_alias): Initialize ref list.
353 * lto-streamer.c (lto-get_section_name): Add .refs section.
354 * lto-streamer.h (lto_section_type): Add LTO_section_refs.
355 (referenced_from_other_partition_p): Declared.
357 2010-05-06 Ira Rosen <irar@il.ibm.com>
359 PR tree-optimization/43901
360 * tree-vect-stmts.c (vectorizable_call): Assert that vector
361 type is not NULL if it's transformation phase, and return
362 FALSE if it's analysis.
363 (vectorizable_conversion, vectorizable_operation,
364 vectorizable_type_demotion, vectorizable_type_promotion):
367 2010-05-05 Andrew Pinski <andrew.pinski@caviumnetworks.com>
369 * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
371 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
373 * config/mips/mips-protos.h
374 (mips_small_register_classes_for_mode_p): Delete prototype.
376 2010-05-06 Bernd Schmidt <bernds@codesourcery.com>
378 * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
379 * config/arm/arm.c (multiple_operation_profitable_p,
380 compute_offset_order): New static functions.
381 (load_multiple_sequence, store_multiple_sequence): Use them.
382 Replace constant 4 with MAX_LDM_STM_OPS. Compute order[0] from
383 memory offsets, not register numbers.
384 (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
386 2010-05-05 Steven Bosscher <steven@gcc.gnu.org>
388 * stor-layout.c (pending_sizes): Change the type to
390 (get_pending_sizes, put_pending_size, put_pending_sizes):
391 Update the uses of pending_sizes.
392 * c-decl.c (store_parm_decls): Likewise.
393 * c-tree.h (struct c_arg_info): Likewise.
394 * tree.h: Update the prototype for get_pending_sizes and
397 2010-05-05 Jason Merrill <jason@redhat.com>
400 * c-common.c (handle_aligned_attribute): Respect
401 ATTR_FLAG_TYPE_IN_PLACE.
404 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
405 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
406 (TARGET_INITIALIZER): Use it.
407 * c-common.c (attribute_takes_identifier_p): Call it.
408 * c-common.h: Update prototype.
409 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
410 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
412 2010-05-05 Jakub Jelinek <jakub@redhat.com>
415 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
416 DW_ID_down_case for Fortran compilation units.
418 2010-05-05 Jan Hubicka <jh@suse.cz>
420 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
423 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
425 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
426 a variable-sized RESULT_DECL.
428 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
430 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
432 2010-05-05 Jason Merrill <jason@redhat.com>
435 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
437 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
439 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
440 Jakub Jelinek <jakub@redhat.com>
443 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
444 (dead_debug_init, dead_debug_finish): New functions.
445 (dead_debug_add, dead_debug_insert_before): Likewise.
446 (df_note_bb_compute): Initialize a dead_debug object, add dead
447 debug uses to it, insert debug bind insns before death insns,
448 reset debug insns that refer to pending uses at the end.
449 * rtl.h (make_debug_expr_from_rtl): New prototype.
450 * varasm.c (make_debug_expr_from_rtl): New function.
452 2010-05-05 Jan Hubicka <jh@suse.cz>
454 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
455 (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
456 lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
457 lto_varpool_encoder_encode_initializer_p,
458 lto_set_varpool_encoder_encode_initializer): New functions.
459 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
461 (input_varpool_node): Do not always set analyzed.
462 (input_cgraph_1): Return vector of cgraph nodes.
463 (input_varpool_1): Return vector of varpools.
464 (input_cgraph): Free the vectors.
465 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
466 output only initializers needed.
467 (lto_output): Only call output_cgraph.
468 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
469 * lto-section-out.c (lto_new_out_decl_state): Initialize
470 state->varpool_node_encoder.
471 * lto-streamer.h (lto_varpool_encoder_d): New.
472 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
473 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
474 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
475 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
476 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
478 (output_varpool, input_varpool): Remove declarations.
480 2010-05-05 Jan Hubicka <jh@suse.cz>
482 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
483 with body can prevail.
485 2010-05-05 Jan Hubicka <jh@suse.cz>
487 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
490 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
492 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
495 * gengtype.h (erro_at_line): Constify pos argument.
497 * gengtype.c: Include hashtab.h.
498 (enum gc_used): Document GC_MAYBE_POINTED_TO.
499 (error_at_line): Constify pos argument.
500 (do_typedef): Initialize p->opt field.
501 (get_file_gtfilename): Fix comment typo.
502 (struct walk_type_data): Constify line field.
503 (get_output_file_for_structure): New function.
504 (write_local_func_for_structure): Constify orig_s argument.
505 Use get_output_file_for_structure.
506 (write_func_for_structure): Use get_output_file_for_structure.
507 (INDENT): New define.
508 (dump_pair, dump_type, dump_type_list, dump_typekind)
509 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
510 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
512 (seen_types): New variable.
513 (main): New variable do_dump. Process "-d" command line option.
514 Call dump_everything if dump requested.
516 2010-05-05 Jakub Jelinek <jakub@redhat.com>
518 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
519 in a temporary instead of invoking the macro multiple times.
520 (track_expr_p): Likewise.
522 2010-05-04 Neil Vachharajani <nvachhar@google.com>
524 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
526 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
527 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
528 conditions for printing notes.
529 * common.opt (-Wcoverage-mismatch): Allow negative, default to
530 true, update documentation.
531 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
533 2010-05-04 Jakub Jelinek <jakub@redhat.com>
536 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
539 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
542 * config/i386/i386.md (sse_prologue_save): Add clobber CC
544 (*sse_prologue_save_insn1): Likewise.
545 (SSE prologue save splitter): Likewise.
547 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
549 * tree.c (free_lang_data_in_one_sizepos): New inline function.
550 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
551 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
552 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
553 all decls. Call it on DECL_FIELD_OFFSET of fields.
554 (find_decls_types_r): Follow DECL_VALUE_EXPR.
555 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
557 2010-05-04 Martin Jambor <mjambor@suse.cz>
559 * tree-sra.c (build_access_from_expr_1): The first parameter type
560 changed to simple tree.
561 (build_access_from_expr): Likewise, gsi parameter was eliminated.
562 (scan_assign_result): Renamed to assignment_mod_result, enum elements
564 (build_accesses_from_assign): Removed all parameters except for a
565 simple gimple statement. Now returns a simple bool.
566 (scan_function): All non-analysis parts moved to separate functions
567 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
568 parameters and updated both callers.
569 (sra_modify_expr): Removed parameter data.
570 (sra_modify_function_body): New function.
571 (perform_intra_sra): Call sra_modify_function_body to modify the
573 (replace_removed_params_ssa_names): Parameter data changed into
575 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
576 changed the parameter dont_convert to convert with the opposite
578 (sra_ipa_modify_assign): Parameter data changed into adjustments
579 vector, return value changed to bool.
580 (ipa_sra_modify_function_body): New function.
581 (sra_ipa_reset_debug_stmts): Updated a comment.
582 (modify_function): Use ipa_sra_modify_function_body to modify function
585 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
588 * alias.c (true_dependence): Handle the same VALUE in x and mem.
589 (canon_true_dependence): Likewise.
590 (write_dependence_p): Likewise.
592 2010-05-04 Jan Hubicka <jh@suse.cz>
594 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
595 * cgraphbuild.c: Include ipa-utils.h
596 (record_reference_ctx): New struct.
597 (record_reference): Simplify to work on initializers; not statements.
598 (mark_address, mark_load, mark_store): New.
599 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
601 (record_references_in_initializer): Update use of record_reference.
602 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
605 2010-05-04 Jan Hubicka <jh@suse.cz>
607 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
608 node will be removed anyway.
609 (lto_varpool_replace_node): Allow also unanalyzed nodes;
610 relink aliases of node into prevailing node.
611 * varpool.c (varpool_remove_node): Remove aliases properly;
612 when removing node, remove all its aliases too; remove DECL_INITIAL
613 of removed node; ggc_free the varpool node.
615 2010-05-04 Richard Guenther <rguenther@suse.de>
617 PR tree-optimization/43879
618 * tree-ssa-structalias.c (alias_get_name): Use
619 DECL_ASSEMBLER_NAME if available.
620 (create_function_info_for): Return the varinfo node.
621 (ipa_pta_execute): Associate same-body aliases and extra names
622 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
624 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
626 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
629 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
632 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
633 only if HONOR_REG_ALLOC_ORDER is not defined.
635 2010-05-04 Richard Guenther <rguenther@suse.de>
637 PR tree-optimization/43949
638 * tree-vrp.c (extract_range_from_binary_expr): Only handle
641 2010-04-26 Jason Merrill <jason@redhat.com>
643 * c.opt (-fstrict-enums): New.
644 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
646 2010-05-03 David Ung <davidu@mips.com>
647 James E. Wilson <wilson@codesourcery.com>
649 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
650 emit the trap instruction before the divide for TUNE_74K.
652 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
654 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
655 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
656 based on the above, for new target hook.
658 * hooks.c (hook_bool_mode_true): New generic hook.
659 * hooks.h (hook_bool_mode_true): Add prototype.
661 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
663 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
664 target hook, set to hook_bool_mode_false.
665 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
666 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
667 with targetm.small_register_classes_for_mode_p.
668 (find_reusable_reload): Likewise.
669 (combine_reloads): Likewise.
670 * reload1.c (reload_as_needed): Likewise.
671 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
672 * ifcvt.c (noce_process_if_block, check_cond_move_block,
673 dead_or_predicable): Likewise.
674 * regmove.c (optimize_reg_copy_1): Likewise.
675 * calls.c (prepare_call_address): Likewise.
676 (precompute_register_parameters): Likewise.
678 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
680 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
681 implementation of the hook that considers all register classes
682 small except for SH64.
683 (sh_override_options): Use the new hook.
684 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
687 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
689 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
690 implementation of the hook that considers all register classes
692 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
695 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
697 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
698 implementation of the hook that considers all register classes
700 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
703 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
705 * config/m32c/m32c.h: Likewise.
706 * config/pdp11/pdp11.h: Likewise.
707 * config/avr/avr.h: Likewise.
708 * config/xtensa/xtensa.h: Likewise.
709 * config/m68hc11/m68hc11.h: Likewise.
710 * config/mn10300/mn10300.h: Likewise.
711 * config/mcore/mcore.h: Likewise.
712 * config/h8300/h8300.h: Likewise.
713 * config/bfin/bfin.h: Likewise.
715 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
716 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
718 2010-05-03 Anatoly Sokolov <aesok@post.ru>
720 * double-int.h (tree_to_double_int): Remove macro.
721 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
722 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
723 (tree_to_double_int): New function.
724 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
726 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
728 2010-05-03 Richard Guenther <rguenther@suse.de>
730 PR tree-optimization/43971
731 * tree-ssa-structalias.c (get_constraint_for_1): Fix
732 constraints in the !flag_delete_null_pointer_checks case.
734 2010-05-03 Jakub Jelinek <jakub@redhat.com>
737 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
738 result mode matches original rtl mode.
740 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
743 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
745 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
747 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
748 when processing flag options.
750 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
752 * gcov-iov.c (main): Change format string placeholder
753 from %#08x to 0x%08x.
754 * genchecksum.c (dosum): Change format string placeholder
755 from %#02x to 0x%02x.
757 2010-05-02 Richard Guenther <rguenther@suse.de>
759 PR tree-optimization/43879
760 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
762 2010-05-02 Bruno Haible <bruno@clisp.org>
764 * doc/extend.texi (Function Attributes): Fix a typo.
766 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
769 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
770 placeholder from 0x%x to %#x.
771 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
772 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
773 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
774 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
775 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
776 * config/i386/i386.c (ix86_target_string): Ditto.
777 * config/i386/i386.c (output_pic_addr_const): Ditto.
778 (print_operand): Ditto.
780 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
782 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
783 placeholder from 0x%x to %#x.
784 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
785 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
786 (ASM_OUTPUT_DEBUG_DATA): Ditto.
787 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
788 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
789 * optc-gen.awk: Ditto.
790 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
791 (HOST_WIDE_INT_PRINT_HEX): Ditto.
792 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
793 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
795 2010-05-01 Anatoly Sokolov <aesok@post.ru>
797 * target.h (struct calls): Add function_value_regno_p field.
798 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
799 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
800 * targhooks.c (default_function_value_regno_p): New function.
801 * targhooks.h (default_function_value_regno_p): Declare function.
802 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
803 * builtins.c. (apply_result_size): (Ditto.).
804 * combine.c. (likely_spilled_retval_p): (Ditto.).
805 * mode-switching.c. Include 'target.h'.
806 (create_pre_exit): Use function_value_regno_p hook.
807 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
808 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
809 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
811 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
812 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
813 (ix86_function_value_regno_p): Declare as static, change argument
814 type to const unsigned int.
815 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
817 2010-05-01 Richard Guenther <rguenther@suse.de>
819 PR tree-optimization/43949
820 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
822 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
824 2010-05-01 Anatoly Sokolov <aesok@post.ru>
826 * rtl.h (CONST_DOUBLE_P): Define.
827 (rtx_to_double_int): Declare.
828 * emit-rtl.c (rtx_to_double_int): New function.
829 * dwarf2out.c (insert_double): New function.
830 (loc_descriptor, add_const_value_attribute): Clean up, use
831 rtx_to_double_int and insert_double functions.
833 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
835 * doc/extend.texi (Inline): Add missing return keyword to examples.
836 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
839 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
841 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
842 the variable part of the offset as well. Use highest_pow2_factor for
843 all alignment checks.
845 2010-04-30 Richard Guenther <rguenther@suse.de>
847 PR tree-optimization/43879
848 * tree-ssa-structalias.c (type_could_have_pointers): Functions
851 2010-04-30 Jan Hubicka <jh@suse.cz>
853 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
855 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
857 2010-04-30 Jan Hubicka <jh@suse.cz>
859 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
861 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
862 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
863 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
864 cgraph_node_set_needs_ltrans_p): Remove.
866 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
868 * sdbout.c: Include vec.h, do not include varray.h.
869 (deferred_global_decls, sdbout_global_decl,
870 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
871 * toplev.c: Do not include varray.h.
872 (dump_memory_report): Do not dump VARRAY statistics.
873 * gengtype.c (open_base_file): Ignore varray.h.
874 * Makefile.in: Update for abovementioned changes.
875 Remove all traces of varray.c and varray.h.
876 * varray.c: Remove file.
877 * varray.h: Remove file.
879 2010-04-30 Jan Hubicka <jh@suse.cz>
881 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
884 2010-04-30 Jan Hubicka <jh@suse.cz>
886 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
889 2010-04-30 Richard Guenther <rguenther@suse.de>
891 * tree-ssa-structalias.c (get_constraint_for_1): Generate
892 constraints for CONSTRUCTOR.
894 2010-04-30 Richard Guenther <rguenther@suse.de>
897 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
898 first after all lowering passes.
900 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
902 * toplev.c: Include varray.h for statistics dumping.
903 * tree.h: Do not declare varray_head_tag.
904 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
905 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
906 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
907 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
908 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
909 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
910 c-common.c, c-common.h, reg-stack.c, basic-block.h,
911 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
913 * Makefile.in: Update for abovementioned changes.
915 2010-04-30 Jakub Jelinek <jakub@redhat.com>
918 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
920 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
922 * config/picochip/picochip.c (picochip_legitimize_address): Define.
923 Use this function to do machine-specific conversion.
924 (picochip_legitimize_reload_address): Likewise.
925 (picochip_legitimate_address_p): Check valid base register only if
927 (picochip_check_conditional_copy): Check for modw only if opnd is
929 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
930 to call the function in c.
931 * config/picochip/picochip-protos.h
932 (picochip_legitimize_reload_address): Define.
933 * config/picochip/picochip.md (supported_compare1): Define.
935 2010-04-30 Jan Hubicka <jh@suse.cz>
937 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
938 (cgraph_global_info): Remove inlined.
939 (LTO_cgraph_tag_names): Remove.
940 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
941 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
942 simplify cgraph tags and document.
943 (lto_output_node): Use only LTO_cgraph_unavail_node and
944 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
945 for_functions_valid, global info, process and output flags.
946 (input_overwrite_node): Initialize estimated stack size and
947 estimated growth. Do not read flags we no longer store.
948 (input_node): Likewise do not read info no longer stored.
949 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
952 2010-04-30 Richard Guenther <rguenther@suse.de>
954 PR tree-optimization/43879
955 * tree-ssa-structalias.c (get_constraint_for_1): Properly
956 handle non-zero initializers.
958 2010-04-30 Richard Guenther <rguenther@suse.de>
960 * builtins.c (fold_builtin_1): Delete free (0).
962 2010-04-29 Jan Hubicka <jh@suse.cz>
964 * gengtype.c (open_base_files): Add lto-streamer.h
965 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
966 (pass_ipa_cp): GGC collect.
967 * toplev. (compile_file): Do not output symbols.
968 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
969 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
970 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
971 * lto-section-in.c: Include ggc.h
972 (lto_new_in_decl_state): Alloc in GGC.
973 (lto_delete_in_decl_state): Likewise.
974 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
977 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
980 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
981 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
982 (HONOR_REG_ALLOC_ORDER): Describe new macro.
983 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
984 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
985 account only if HONOR_REG_ALLOC_ORDER is not defined.
986 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
987 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
989 2010-04-29 Jon Grant <04@jguk.org>
991 * collect2.c (vflag): Change type from int to bool.
993 (helpflag): New global bool.
994 (main): Set vflag and debug with boolean, not integer truth values.
995 Accept new "--help" option and output usage text if found.
996 * collect2.h (vflag): Update prototype.
999 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
1002 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1004 2010-04-29 Richard Guenther <rguenther@suse.de>
1007 * plugin.h (invoke_plugin_callbacks): Annotate arguments
1008 with ATTRIBUTE_UNUSED.
1010 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
1013 * config/i386/i386.c (get_some_local_dynamic_name): Replace
1014 INSN_P with NONDEBUG_INSN_P.
1015 (distance_non_agu_define): Likewise.
1016 (distance_agu_use): Likewise.
1018 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
1020 From Dominique d'Humieres <dominiq@lps.ens.fr>
1022 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1025 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
1027 * plugin.h (invoke_plugin_callbacks): New inline function.
1028 * plugin.c (flag_plugin_added): New global flag.
1029 (add_new_plugin): Initialize above flag.
1030 (invoke_plugin_callbacks): Rename to ...
1031 (invoke_plugin_callbacks_full): ... this.
1033 2010-04-28 Jan Hubicka <jh@suse.cz>
1035 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1036 (lto_varpool_replace_node): New.
1037 (lto_symtab_resolve_symbols): Resolve varpool nodes.
1038 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1039 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1040 * cgraph.h (varpool_node_ptr): New type.
1041 (varpool_node_ptr): New vector.
1042 (varpool_node_set_def): New structure.
1043 (varpool_node_set): New type.
1044 (varpool_node_set): New vector.
1045 (varpool_node_set_element_def): New structure.
1046 (varpool_node_set_element, const_varpool_node_set_element): New types.
1047 (varpool_node_set_iterator): New type.
1048 (varpool_node): Add prev pointers, add used_from_other_partition,
1050 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1051 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1052 varpool_get_node, varpool_remove_node): Declare.
1053 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1054 varpool_node_set_size): New inlines.
1055 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1056 * tree-pass.h (varpool_node_set_def): Forward declare.
1057 (ipa_opt_pass_d): Summary writting takes vnode sets too.
1058 (ipa_write_optimization_summaries): Update prototype.
1059 * ipa-cp.c (ipcp_write_summary): Update.
1060 * ipa-reference.c (ipa_reference_write_summary): Update.
1061 * lto-cgraph.c (lto_output_varpool_node): New static function.
1062 (output_varpool): New function.
1063 (input_varpool_node): New static function.
1064 (input_varpool_1): New function.
1065 (input_cgraph): Input varpool.
1066 * ipa-pure-const.c (pure_const_write_summary): Update.
1067 * lto-streamer-out.c (lto_output): Update, output varpool too.
1068 (write_global_stream): Kill WPA hack.
1069 (produce_asm_for_decls): Update.
1070 (output_alias_pair_p): Handle variables.
1071 (output_unreferenced_globals): Output only needed partition of varpool.
1072 * ipa-inline.c (inline_write_summary): Update.
1073 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1075 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1076 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1077 varpool_node_set_new, varpool_node_set_add,
1078 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1079 debug_varpool_node_set): New functions.
1080 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1081 (execute_one_pass): Process new decls too.
1082 (ipa_write_summaries_2): Pass around vsets.
1083 (ipa_write_summaries_1): Likewise.
1084 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1086 (ipa_write_optimization_summaries_1): Pass around vsets.
1087 (ipa_write_optimization_summaries): Likewise.
1088 * varpool.c (varpool_get_node): New.
1089 (varpool_node): Update doubly linked lists.
1090 (varpool_remove_node): New.
1091 (dump_varpool_node): More dumping.
1092 (varpool_enqueue_needed_node): Update doubly linked lists.
1093 (decide_is_variable_needed): Kill ltrans hack.
1094 (varpool_finalize_decl): Kill lto hack.
1095 (varpool_assemble_decl): Skip decls in other partitions.
1096 (varpool_assemble_pending_decls): Update doubly linkes lists.
1097 (varpool_empty_needed_queue): Likewise.
1098 (varpool_extra_name_alias): Likewise.
1099 * lto-streamer.c (lto_get_section_name): Add vars section.
1100 * lto-streamer.h (lto_section_type): Update.
1101 (output_varpool, input_varpool): Declare.
1103 2010-04-28 Mike Stump <mikestump@comcast.net>
1105 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1107 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1109 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1110 record or union type with RECORD_OR_UNION_TYPE_P predicate.
1111 (lto_input_ts_type_tree_pointers): Likewise.
1112 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1113 (lto_output_ts_type_tree_pointers): Likewise.
1115 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1117 Uniquization of constants at the Tree level
1118 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1119 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1121 (tree_output_constant_def): Declare.
1122 * gimplify.c (gimplify_init_constructor): When using block copy, first
1123 uniquize the constant constructor on the RHS.
1124 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1125 DECL_IN_CONSTANT_POOL flag.
1126 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1127 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1129 (assemble_variable): Deal with symbols belonging to the tree constant
1131 (get_constant_section): Add ALIGN parameter and simplify.
1132 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1133 (assemble_constant_contents): Use the expression of the VAR_DECL.
1134 (output_constant_def_contents): Use the alignment of the VAR_DECL.
1135 (tree_output_constant_def): New global function.
1136 (mark_constant): Use the expression of the VAR_DECL.
1137 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1139 (output_object_block): Likewise and assemble the expression.
1141 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1143 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1144 hash_tree, eq_tree): New tree hash table.
1145 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1146 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1147 lto_orig_address_remove): Reimplement.
1149 2010-04-28 Xinliang David Li <davidxl@google.com>
1152 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1153 (compute_uninit_opnds_pos): New function.
1154 (is_non_loop_exit_postdominating): New function.
1155 (compute_control_dep_chain): New function.
1156 (find_pdom): New function.
1157 (convert_control_dep_chain_into_preds): New function.
1158 (find_predicates): New function.
1159 (find_control_equiv_block): New function.
1160 (collect_phi_def_edges): New function.
1161 (find_def_preds): New function.
1162 (find_dom): New function.
1163 (dump_predicates): New function.
1164 (get_cmp_code): New function.
1165 (is_value_included_in): New function.
1166 (find_matching_predicate_in_rest_chains): New function.
1167 (use_pred_not_overlap_with_undef_path_pred): New function.
1168 (is_use_properly_guarded): New function.
1169 (normalize_cond_1): New function.
1170 (is_and_or_or): New function.
1171 (normalize_cond): New function.
1172 (is_gcond_subset_of): New function.
1173 (is_subset_of_any): New function.
1174 (is_or_set_subset_of): New function.
1175 (is_and_set_subset_of): New function.
1176 (is_norm_cond_subset_of): New function.
1177 (is_pred_expr_subset_of): New function.
1178 (is_pred_chain_subset_of): New function.
1179 (is_included_in): New function.
1180 (is_superset_of): New function.
1181 (find_uninit_use): New function.
1182 (warn_uninitialized_phi): New function.
1183 (compute_possibly_undefined_names): New function.
1184 (ssa_undefined_value_p): New function.
1185 (execute_late_warn_uninitialized): New function.
1186 * tree-ssa.c (ssa_undefined_value_p): Removed.
1187 (warn_uninit): Changed to extern.
1188 (warn_uninitialized_phi): Removed.
1189 (warn_uninitialized_vars): Changed to extern.
1190 (execute_late_warn_uninitialized): Removed
1191 * tree-flow.h: Add new prototypes.
1192 * timevar.def: Add new time variable.
1193 * Makefile.in: Add new build file.
1195 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
1197 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1200 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1203 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1205 2010-04-28 Martin Jambor <mjambor@suse.cz>
1207 * cgraph.h (struct cgraph_node): New field indirect_calls.
1208 (struct cgraph_indirect_call_info): New type.
1209 (struct cgraph_edge): Removed field indirect_call. New fields
1210 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1211 (cgraph_create_indirect_edge): Declare.
1212 (cgraph_make_edge_direct): Likewise.
1213 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1214 * ipa-prop.h (struct ipa_param_call_note): Removed.
1215 (struct ipa_node_params): Removed field param_calls.
1216 (ipa_create_all_structures_for_iinln): Declare.
1217 * cgraph.c: Described indirect edges and uids in initial comment.
1218 (cgraph_add_edge_to_call_site_hash): New function.
1219 (cgraph_edge): Search also among the indirect edges, use
1220 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1221 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1222 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1224 (initialize_inline_failed): Assign a reason to indirect edges.
1225 (cgraph_create_edge_1): New function.
1226 (cgraph_create_edge): Moved some functionality to
1227 cgraph_create_edge_1.
1228 (cgraph_create_indirect_edge): New function.
1229 (cgraph_edge_remove_callee): Add an assert checking for
1231 (cgraph_edge_remove_caller): Special-case indirect edges.
1232 (cgraph_remove_edge): Likewise.
1233 (cgraph_set_edge_callee): New function.
1234 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1235 (cgraph_make_edge_direct): New function.
1236 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1237 the declaration of the call statement matches.
1238 (cgraph_node_remove_callees): Special-case indirect edges.
1239 (cgraph_clone_edge): Likewise.
1240 (cgraph_clone_node): Clone also the indirect edges.
1241 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1242 indirect_call, dump count of indirect_calls edges.
1243 * ipa-prop.c (iinlining_processed_edges): New variable.
1244 (ipa_note_param_call): Create indirect edges instead of
1245 creating notes. New parameter node.
1246 (ipa_analyze_call_uses): New parameter node, pass it on to
1247 ipa_note_param_call.
1248 (ipa_analyze_stmt_uses): Likewise.
1249 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1250 (print_edge_addition_message): Work on edges rather than on notes.
1251 (update_call_notes_after_inlining): Likewise, renamed to
1252 update_indirect_edges_after_inlining.
1253 (ipa_create_all_structures_for_iinln): New function.
1254 (ipa_free_node_params_substructures): Do not free notes.
1255 (ipa_edge_duplication_hook): Propagate bits within
1256 iinlining_processed_edges bitmap.
1257 (ipa_node_duplication_hook): Do not duplicate notes.
1258 (free_all_ipa_structures_after_ipa_cp): Renamed to
1259 ipa_free_all_structures_after_ipa_cp.
1260 (free_all_ipa_structures_after_iinln): Renamed to
1261 ipa_free_all_structures_after_iinln.g
1262 (ipa_write_param_call_note): Removed.
1263 (ipa_read_param_call_note): Removed.
1264 (ipa_write_indirect_edge_info): New function.
1265 (ipa_read_indirect_edge_info): Likewise.
1266 (ipa_write_node_info): Do not stream notes, do stream information
1268 (ipa_read_node_info): Likewise.
1269 (lto_ipa_fixup_call_notes): Removed.
1270 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1271 * ipa-inline.c (pass_ipa_inline): Likewise.
1272 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1273 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1274 * tree-inline.c (copy_bb): Removed an unnecessary double check for
1276 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1278 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1279 (output_cgraph): Stream also indirect edges.
1280 (lto_output_edge): Added capability to stream indirect edges.
1281 (input_edge): Likewise.
1282 (input_cgraph_1): Likewise.
1283 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1286 2010-04-28 Richard Guenther <rguenther@suse.de>
1288 PR tree-optimization/43879
1289 PR tree-optimization/43909
1290 * tree-ssa-structalias.c (struct variable_info): Add
1291 only_restrict_pointers flag.
1292 (new_var_info): Initialize it. Increment stats.total_vars here.
1293 (create_function_info_for): Do not increment stats.total_vars
1295 (get_function_part_constraint): Fix build with C++.
1296 (insert_into_field_list): Remove.
1297 (push_fields_onto_fieldstack): Properly merge fields.
1298 (create_variable_info_for): Split and simplify.
1299 (create_variable_info_for_1): New piece.
1300 (intra_create_variable_infos): Properly make restrict constraints
1303 2010-04-28 Richard Guenther <rguenther@suse.de>
1306 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1308 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
1309 Jan Hubicka <hubicka@ucw.cz>
1311 * doc/invoke.texi (-Wsuggest-attribute=const,
1312 -Wsuggest-attribute=pure): Document.
1313 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1314 (function_always_visible_to_compiler_p,
1315 suggest_attribute, warn_function_pure, warn_function_const):
1317 (check_call): Improve debug info.
1318 (analyze_function): Do not check availability.
1319 (add_new_function): Check availability.
1320 (propagate): Output warnings.
1321 (skip_function_for_local_pure_const): New function.
1322 (local_pure_const): Use it; output warnings.
1323 * common.opt (Wsuggest-attribute=const,
1324 Wsuggest-attribute=pure): New.
1326 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1328 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1329 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1330 or DW_CFA_def_cfa_offset{,_sf}.
1332 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1334 * tree.h: Fix truncated long macros.
1336 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
1338 * collect2.c (TARGET_64BIT): Redefine to target's default.
1339 * tlink.c: Likewise.
1340 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1341 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1342 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1343 for underscoring __USER_LABEL_PREFIX__.
1344 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1345 (SUB_LINK_ENTRY32): New.
1346 (SUB_LINK_ENTRY64): New.
1347 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1348 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1349 (SUB_LINK_ENTRY64): New.
1350 (SUB_LINK_ENTRY): New.
1351 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1352 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1353 x64 target is choosen.
1354 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1355 * configure: Regenerated.
1356 * configure.ac (leading-mingw64-underscores): Option added.
1358 2010-04-27 Jan Hubicka <jh@suse.cz>
1360 * doc/invoke.texi (-fipa-profile): Document.
1361 * opts.c (decode_options): Enable ipa-profile at -O1.
1362 * timevar.def (TV_IPA_PROFILE): Define.
1363 * common.opt (fipa-profile): Add.
1364 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1366 (cgraph_propagate_frequency): Handle only local ones.
1367 * tree-pass.h (pass_ipa_profile): Declare.
1368 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1369 (pass_ipa_profile): Use TV_IPA_PROFILE.
1370 * ipa.c (ipa_profile): New function.
1371 (gate_ipa_profile): Likewise.
1372 (pass_ipa_profile): New global variable.
1373 * passes.c (pass_ipa_profile): New.
1375 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
1377 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1379 2010-04-27 Martin Jambor <mjambor@suse.cz>
1382 * ipa.c (dissolve_same_comdat_group_list): New function.
1383 (function_and_variable_visibility): Call
1384 dissolve_same_comdat_group_list when comdat group contains external or
1386 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1387 lists are circular and that they contain only DECL_ONE_ONLY nodes.
1389 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1391 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1392 (const_hash_1) <VECTOR_CST>: New case.
1393 (compare_constant) <VECTOR_CST>: Likewise.
1394 <ADDR_EXPR>: Deal with LABEL_REFs.
1395 (copy_constant) <VECTOR_CST>: New case.
1397 2010-04-27 Jan Hubicka <jh@suse.cz>
1399 * cgraph.c (cgraph_propagate_frequency): New function.
1400 * cgraph.h (cgraph_propagate_frequency): Declare.
1401 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1402 cgraph_propagate_frequency.
1404 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1406 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1408 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
1411 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1412 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1413 here to determine which regs to push and how much stack to reserve.
1415 2010-04-27 Jie Zhang <jie@codesourcery.com>
1417 * doc/gimple.texi (gimple_statement_with_ops): Remove
1418 addresses_taken field.
1419 (gimple_statement_with_memory_ops): Likewise.
1421 2010-04-27 Jan Hubicka <jh@suse.cz>
1423 * tree-inline.c (eni_inlining_weights): Remove.
1424 (estimate_num_insns): Special case more builtins.
1426 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
1429 * c-typeck.c (build_binary_op): Move forward check for comparison
1430 pointer with null pointer constant and adjust the diagnostic message.
1432 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
1435 * configure.ac (gcc_cv_as_section_has_align): Set if installed
1436 binutils supports extended .section directive needed by LTO, or
1437 warn if older binutils found.
1438 (LTO_BINARY_READER): New AC_SUBST'd variable.
1439 (LTO_USE_LIBELF): Likewise.
1440 * gcc/config.gcc (lto_binary_reader): New target-specific configure
1442 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1443 (LTO_USE_LIBELF): Likewise.
1444 * configure: Regenerate.
1446 * collect2.c (is_elf): Rename from this ...
1447 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1448 object files in addition to ELF-formatted ones.
1449 (scan_prog_file): Caller updated. Also allow for LTO info marker
1450 symbol to be prefixed or not by an extra underscore.
1452 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1453 * config/i386/winnt.c: Also #include lto-streamer.h
1454 (i386_pe_asm_named_section): Specify 1-byte section alignment for
1456 (i386_pe_asm_output_aligned_decl_common): Add comment.
1457 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1459 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
1462 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1463 Add missing earlyclobber for second alternative.
1465 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
1467 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1468 bits for artificial defs at the top of the block.
1469 * fwprop.c (single_def_use_enter_block): Don't call it.
1471 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
1474 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1475 instead of "$gcc_cv_objdump -T".
1476 Use "-undefined dynamic_lookup" on darwin.
1477 * gcc/configure: Regenerate.
1479 2010-04-26 Jakub Jelinek <jakub@redhat.com>
1482 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1484 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1486 * c-parser.c (struct c_token): Move location field up.
1487 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1488 (struct c_declspecs): Convert typespec_word, storage_class, and
1489 default_int_p into bitfields.
1490 (struct c_declarator): Move loc field up.
1492 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1494 * cfgloop.h (struct loop): Move can_be_parallel field up.
1495 * ipa-prop.h (struct ip_node_params): Move bitfields up.
1496 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1498 (struct iv_cand): Convert pos field into a bitfield.
1499 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1501 (struct _stmt_vec_info): Shuffle fields for better packing.
1503 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1505 * varasm.c (IN_NAMED_SECTION): Remove guard.
1506 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1507 (IN_NAMED_SECTION_P): ...this.
1508 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1509 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1511 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1513 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1514 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
1515 of shadowing it. Fix comments.
1517 2010-04-26 Jan Hubicka <jh@suse.cz>
1519 * cgraph.c (cgraph_create_node): Set node frequency to normal.
1520 (cgraph_clone_node): Copy function frequency.
1521 * cgraph.h (node_frequency): New enum
1522 (struct cgraph_node): Add.
1523 * final.c (rest_of_clean_state): Update.
1524 * lto-cgraph.c (lto_output_node): Output node frequency.
1525 (input_overwrite_node): Input node frequency.
1526 * tre-ssa-loop-ivopts (computation_cost): Update.
1527 * lto-streamer-out.c (output_function): Do not output function
1529 * predict.c (maybe_hot_frequency_p): Update and handle functions
1531 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1533 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1534 (compute_function_frequency): Set noreturn functions to be executed
1536 (choose_function_section): Update.
1537 * lto-streamer-in.c (input_function): Do not input function frequency.
1538 * function.c (allocate_struct_function): Do not initialize function
1540 * function.h (function_frequency): Remove.
1541 (struct function): Remove function frequency.
1542 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1543 (try_update): Update.
1544 * tree-inline.c (initialize_cfun): Do not update function frequency.
1545 * passes.c (pass_init_dump_file): Update.
1546 * i386.c (ix86_compute_frame_layout): Update.
1547 (ix86_pad_returns): Update.
1549 2010-04-26 Jie Zhang <jie@codesourcery.com>
1551 PR tree-optimization/43833
1552 * tree-vrp.c (range_int_cst_p): New.
1553 (range_int_cst_singleton_p): New.
1554 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1555 when both operands are constants. Use range_int_cst_p in
1558 2010-04-26 Jan Hubicka <jh@suse.cz>
1560 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1562 2010-04-26 Richard Guenther <rguenther@suse.de>
1565 * gimple.c (gimple_decl_printable_name): Deal gracefully
1566 with a NULL DECL_NAME.
1568 2010-04-26 Richard Guenther <rguenther@suse.de>
1571 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1572 if emitting debug information and it is either a function
1573 or a namespace decl.
1575 2010-04-26 Ira Rosen <irar@il.ibm.com>
1577 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1578 determine if the statement is vectorizable, and a macro to access it.
1579 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1580 Skip statements that can't be vectorized. If the analysis fails,
1581 mark the statement as unvectorizable if vectorizing basic block.
1582 (vect_compute_data_refs_alignment): Likewise.
1583 (vect_verify_datarefs_alignment): Skip statements marked as
1584 unvectorizable. Add print.
1585 (vect_analyze_group_access): Skip statements that can't be
1586 vectorized. If the analysis fails, mark the statement as
1587 unvectorizable if vectorizing basic block.
1588 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1589 * tree-vect-stmts.c (vectorizable_store): Fix the number of
1590 generated stmts for SLP.
1591 (new_stmt_vec_info): Initialize the new field.
1592 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1593 statements marked as unvectorizable.
1595 2010-04-25 Joseph Myers <joseph@codesourcery.com>
1597 * c-common.c (flag_isoc1x): New.
1598 (flag_isoc99): Update comment.
1599 * c-common.h (flag_isoc1x): New.
1600 (flag_isoc99): Update comment.
1601 * c-cppbuiltin.c (builtin_define_float_constants): Also define
1602 __<type>_DECIMAL_DIG__.
1603 * c-opts.c (set_std_c1x): New.
1604 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1605 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1606 * c.opt (-std=c1x, -std=gnu1x): New options.
1607 * doc/cpp.texi: Mention -std=c1x.
1608 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1609 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1610 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1611 * doc/standards.texi: Mention C1X.
1612 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1613 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1614 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1617 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
1619 * config/i386/gmon-sol2.c (_mcleanup): Change format string
1620 placeholder from 0x%x to %#x.
1621 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1622 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1623 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1624 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1625 * config/i386/i386.c (ix86_target_string): Ditto.
1626 (output_pic_addr_const): Ditto.
1627 (print_operand): Ditto.
1629 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
1631 * combine.c (find_split_point): Add third argument. Use it
1632 to find nested multiply-accumulate instructions. Adjust calls.
1633 (try_combine): Adjust call to find_split_point.
1635 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
1637 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1639 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
1641 PR tree-optimization/41442
1642 * fold-const.c (merge_truthop_with_opposite_arm): New function.
1643 (fold_binary_loc): Call it.
1645 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1647 * toplev.c (general_init): Set default for fdiagnostics-show-option.
1648 * opts.c (common_handle_option): Allow disabling it.
1649 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1651 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
1653 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1654 between modes if both types are integral.
1656 2010-04-23 Richard Guenther <rguenther@suse.de>
1658 PR tree-optimization/43572
1659 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1661 2010-04-23 Richard Guenther <rguenther@suse.de>
1664 * tree-inline.c (tree_can_inline_p): Also check compatibility
1667 2010-04-23 Martin Jambor <mjambor@suse.cz>
1669 PR tree-optimization/43846
1670 * tree-sra.c (struct access): New flag grp_assignment_read.
1671 (build_accesses_from_assign): Set grp_assignment_read.
1672 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1673 (enum mark_read_status): New type.
1674 (analyze_access_subtree): Propagate grp_assignment_read, create
1675 accesses also if both direct_read and root->grp_assignment_read.
1677 2010-04-23 Martin Jambor <mjambor@suse.cz>
1680 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1681 function does not have type attributes.
1683 2010-04-23 Richard Guenther <rguenther@suse.de>
1686 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1689 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1691 * sese.h (create_if_region_on_edge): Remove.
1693 * sese.c (create_if_region_on_edge): Make static.
1695 * tree-inline.c: Do not include ggc.h.
1697 * expr.c: Do not include ggc.h.
1699 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1702 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
1705 * config/sh/sh.c (find_barrier): Don't emit a constant pool
1706 in the middle of insns for casesi_worker_2.
1708 2010-04-22 David Edelsohn <edelsohn@gnu.org>
1710 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1712 2010-04-22 Ira Rosen <irar@il.ibm.com>
1714 PR tree-optimization/43842
1715 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1716 loop unrolling in update of exit phis. Fix comment.
1717 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1718 least two reduction statements in the loop before starting SLP
1721 2010-04-22 Nick Clifton <nickc@redhat.com>
1723 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1725 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
1727 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1730 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1732 * tree-parloops.c (loop_parallel_p): New argument
1733 parloop_obstack. Pass it down.
1734 (parallelize_loops): New variable parloop_obstack. Initialize it,
1735 pass it down, free it.
1737 * tree-loop-linear.c (linear_transform_loops): Pass down
1740 * tree-data-ref.h (lambda_compute_access_matrices): New argument
1741 of type struct obstack *.
1743 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1744 scratch_obstack. Initialize it, pass down, free it.
1746 * lambda.h (lambda_loop_new): Remove.
1747 (lambda_matrix_new, lambda_matrix_inverse)
1748 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1749 argument of type struct obstack *.
1751 * lambda-trans.c (lambda_trans_matrix_new): New argument
1752 lambda_obstack. Pass it down, use obstack allocation for ret.
1753 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
1756 * lambda-mat.c (lambda_matrix_get_column)
1757 (lambda_matrix_project_to_null): Remove.
1758 (lambda_matrix_new): New argument lambda_obstack. Use obstack
1760 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1763 * lambda-code.c (lambda_loop_new): New function.
1764 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1765 (lambda_compute_auxillary_space, lambda_compute_target_space)
1766 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1767 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1768 (build_access_matrix): New argument lambda_obstack. Use obstack
1770 (lambda_compute_step_signs, lambda_compute_access_matrices): New
1771 argument lambda_obstack. Pass it down.
1773 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1775 * optabs.h (expand_widening_mult): Declare.
1777 2010-04-22 Richard Guenther <rguenther@suse.de>
1779 PR tree-optimization/43845
1780 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1781 lookup the CALL_EXPR function and arguments.
1783 2010-04-22 Nick Clifton <nickc@redhat.com>
1785 * config/stormy16/stormy16.c
1786 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1787 * config/stormy16/stormy16.h: Tidy up formatting.
1788 (DONT_USE_BUILTIN_SETJMP): Remove definition.
1789 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1790 (ineqbranchsi): Delete pattern.
1791 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1792 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1793 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1794 stormy16-lib2-ucmpsi2.c.
1796 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1798 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1799 df_simulate_find_noclobber_defs as appropriate. Keep track of an
1800 extra set merge_set_noclobber, and use it to relax the final test
1802 * df.h (df_simulate_find_noclobber_defs): Declare.
1803 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1805 (df_simulate_find_noclobber_defs): New function.
1807 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
1809 * config/i386/i386.md: Use {} around multi-line preparation statements.
1811 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1813 * c-tree.h (push_init_level, pop_init_level, set_init_index)
1814 (process_init_element): New argument of type struct obstack *.
1816 * c-typeck.c (push_init_level, pop_init_level, set_designator)
1817 (set_init_index, set_init_label, set_nonincremental_init)
1818 (set_nonincremental_init_from_string, find_init_member)
1819 (output_init_element, output_pending_init_elements)
1820 (process_init_element): New argument braced_init_obstack. Pass it
1822 (push_range_stack, add_pending_init): New argument
1823 braced_init_obstack. Use obstack allocation.
1825 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1826 braced_init_obstack. Pass it down.
1827 (c_parser_braced_init): New variables ret, braced_init_obstack.
1828 Initialize obstack, pass it down and finally free it.
1830 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1833 * tree-pass.h (pass_optimize_widening_mul): Declare.
1834 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1835 gate_optimize_widening_mul): New static functions.
1836 (pass_optimize_widening_mul): New.
1837 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1838 <case MULT_EXPR>: Remove support for widening multiplies.
1839 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1840 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1841 simplify_gen_unary rather than directly building extensions.
1842 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1844 * expmed.c (expand_widening_mult): New function.
1845 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1847 2010-04-21 Jan Hubicka <jh@suse.cz>
1849 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1850 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1851 * lto-wpa-fixup.c: Remove.
1852 * Makefile.in (lto-wpa-fixup.o): Remove.
1853 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1854 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1855 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1857 2010-04-21 Jan Hubicka <jh@suse.cz>
1859 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1860 add write_optimization_summary, read_optimization_summary.
1861 (ipa_write_summaries_of_cgraph_node_set): Remove.
1862 (ipa_write_optimization_summaries): Declare.
1863 (ipa_read_optimization_summaries): Declare.
1864 * ipa-cp.c (pass_ipa_cp): Update.
1865 * ipa-reference.c (pass_ipa_reference): Update.
1866 * ipa-pure-const.c (pass_ipa_pure_const): Update.
1867 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1869 * ipa-inline.c (pass_ipa_inline): Update.
1870 * ipa.c (pass_ipa_whole_program): Update.
1871 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1872 * passes.c (ipa_write_summaries_1): Do not test wpa.
1873 (ipa_write_optimization_summaries_1): New.
1874 (ipa_write_optimization_summaries): New.
1875 (ipa_read_summaries): Do not test ltrans.
1876 (ipa_read_optimization_summaries_1): New.
1877 (ipa_read_optimization_summaries): New.
1879 2010-04-21 Jan Hubicka <jh@suse.cz>
1881 * lto-cgraph.c (lto_output_node): Do not output comdat groups
1883 (output_cgraph): Do not arrange comdat groups for boundary nodes.
1885 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1888 * dwarf2out.c (add_name_and_src_coords_attributes): Add
1889 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1891 2010-04-21 Jan Hubicka <jh@suse.cz>
1893 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1895 2010-04-21 Jan Hubicka <jh@suse.cz>
1897 * varpool.c (decide_is_variable_needed): Variable is always needed
1900 2010-04-21 Jan Hubicka <jh@suse.cz>
1902 * opts.c (decode_options): Enable pure-const pass for whopr.
1904 2010-04-21 Jan Hubicka <jh@suse.cz>
1906 * cgraph.c (dump_cgraph_node): Dump also assembler name.
1907 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1909 (cgraph_decide_inlining): Do not expect callee to be removed in all
1912 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
1914 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1916 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1918 * config/i386/i386.md (x86_shrd): Add athlon_decode and
1919 amdfam10_decode attributes.
1921 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1924 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1925 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1926 (lower_copyprivate_clauses): Use private var in outer
1927 context instead of original var. Make sure the types
1928 are correct for VLAs.
1930 2010-04-21 Richard Guenther <rguenther@suse.de>
1932 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1933 to non-pointer objects.
1935 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1937 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
1938 last chain entry if it starts with the still current label.
1939 (add_location_or_const_value_attribute): Check that
1940 loc_list->first->next is NULL instead of comparing ->first with ->last.
1941 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1942 to add_var_loc_to_decl.
1944 * dwarf2out.c (output_call_frame_info): For dw_cie_version
1945 >= 4 add also address size and segment size fields into CIE header.
1947 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1948 long as address size is the same as sizeof (void *) and
1950 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
1951 address size or segment size is unexpected, return DW_EH_PE_omit.
1952 (classify_object_over_fdes): If get_cie_encoding returned
1953 DW_EH_PE_omit, return -1.
1954 (init_object): If classify_object_over_fdes returned -1,
1955 pretend there were no FDEs at all.
1957 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1959 * config/i386/i386.md (bswap<mode>2): Macroize expander from
1960 bswap{si,di}2 using SWI48 mode iterator.
1961 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1962 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
1963 set modrm attribute of bswap insn to 0 and remove length attribute.
1964 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1965 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
1966 set mode attribute to <MODE> and remove length attribute.
1968 2010-04-20 James E. Wilson <wilson@codesourcery.com>
1970 PR rtl-optimization/43520
1971 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1972 zero available registers.
1974 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1976 * builtins.c (fold_builtin_cproj): Fold more cases.
1978 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1980 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1981 (fold_builtin_1): Fold builtin cproj.
1982 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1983 Use ATTR_CONST_NOTHROW_LIST.
1985 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
1987 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1988 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
1989 ffsi2_no_cmove for !TARGET_CMOVE.
1990 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
1991 (ffssi2): Remove expander.
1992 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1994 (ctz<mode>2): Ditto from ctz{si,di}2.
1995 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1997 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2000 2010-04-20 Jakub Jelinek <jakub@redhat.com>
2002 * dwarf2out.c (AT_linkage_name): Define.
2003 (clone_as_declaration): Handle DW_AT_linkage_name.
2004 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2005 of DW_AT_MIPS_linkage_name.
2006 (move_linkage_attr): Likewise.
2007 (dwarf2out_finish): Likewise.
2009 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
2012 * fold-const.c (fold_comparison): New folding rule.
2014 2010-04-20 Anatoly Sokolov <aesok@post.ru>
2016 * double-int.h (double_int_setbit): Declare.
2017 * double-int.c (double_int_setbit): New function.
2018 * rtl.h (immed_double_int_const): Declare.
2019 * emit-rtl.c (immed_double_int_const): New function.
2020 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2021 and immed_double_int_const functions.
2022 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2023 expand_copysign_bit): (Ditto.).
2024 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2025 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2026 * dojump.c (prefer_and_bit_test): (Ditto.).
2027 * expr.c (convert_modes, reduce_to_bit_field_precision,
2028 const_vector_from_tree): (Ditto.).
2029 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2031 2010-04-20 Jan Hubicka <jh@suse.cz>
2033 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2034 (dump_cgraph_node): Dump new flags.
2035 * cgraph.h (struct cgraph_node): Add flags
2036 reachable_from_other_partition and in_other_partition.
2037 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2038 other partition can not be removed.
2039 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2040 the other partition must be output; silence sanity checking on
2041 leaking functions bodies from other paritition.
2042 * lto-cgraph.c (reachable_from_other_partition_p): New function.
2043 (lto_output_node): Output new flags; do not sanity check that inline
2044 clones are output; drop lto_forced_extern_inline_p code; do not mock
2045 visibility flags at partition boundaries.
2046 (add_node_to): New function.
2047 (output_cgraph): Use it to sort functions so masters appear before
2049 (input_overwrite_node): Input new flags.
2050 * passes.c (ipa_write_summaries): Do not call
2051 lto_new_extern_inline_states.
2052 * lto-section-out.c (forced_extern_inline,
2053 lto_new_extern_inline_states lto_delete_extern_inline_states,
2054 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2055 * lto-streamer.h (lto_new_extern_inline_states,
2056 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2057 lto_forced_extern_inline_p): Kill.
2059 2010-04-20 Richard Guenther <rguenther@suse.de>
2061 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2062 from vars that can have pointers.
2063 (process_constraint): Dump useless constraints.
2065 2010-04-20 Richard Guenther <rguenther@suse.de>
2067 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2068 (dump_sa_points_to_info): Remove asserts.
2069 (init_base_vars): nothing_id isn't an escape point nor does it
2072 2010-04-20 Jakub Jelinek <jakub@redhat.com>
2074 * tree.h (TYPE_REF_IS_RVALUE): Define.
2075 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2076 should_move_die_to_comdat, prune_unused_types_walk): Handle
2077 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2078 (modified_type_die, gen_reference_type_die): Emit
2079 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2080 if TYPE_REF_IS_RVALUE and -gdwarf-4.
2082 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2085 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2086 calls for -fpic -m31 if they have been sibcall optimized.
2088 2010-04-19 James E. Wilson <wilson@codesourcery.com>
2090 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2091 ar.lc fixed and call-used.
2093 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2095 2010-04-19 Jan Hubicka <jh@suse.cz>
2097 * opts.c (decode_options): Disable whpr incompatible passes.
2098 * lto/lto.c (lto_1_to_1_map): Skip clones.
2099 (read_cgraph_and_symbols): Do not mark everything as needed.
2100 (do_whole_program_analysis): Do map only after optimizing;
2101 set proper cgraph_state; use passmanager.
2103 2010-04-19 DJ Delorie <dj@redhat.com>
2105 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2106 POINTER_PLUS_EXPR and fix them.
2108 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
2110 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2111 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2112 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2113 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2114 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2115 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2116 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2117 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2118 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2119 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2120 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2122 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
2124 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2125 (check_cond_move_block): Likewise.
2126 (cond_move_process_if_block): Likewise.
2127 (noce_find_if_block): Improve formatting.
2128 (find_if_header): Pass 0 to memset and tweak conditions.
2129 (cond_exec_find_if_block): Fix long lines and tweak conditions.
2131 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2133 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2137 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2138 with non-local decl doesn't need chain.
2140 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
2142 * ira-color.c (allocno_reload_assign): Avoid accumulating
2143 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2145 2010-04-19 Martin Jambor <mjambor@suse.cz>
2147 * gimple.h (create_tmp_reg): Declare.
2148 * gimplify.c (create_tmp_reg): New function.
2149 (gimplify_return_expr): Use create_tmp_reg.
2150 (gimplify_omp_atomic): Likewise.
2151 (gimple_regimplify_operands): Likewise.
2152 * tree-dfa.c (make_rename_temp): Likewise.
2153 * tree-predcom.c (predcom_tmp_var): Likewise.
2154 (reassociate_to_the_same_stmt): Likewise.
2155 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2156 (get_replaced_param_substitute): Likewise.
2157 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2158 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2159 * tree-ssa-pre.c (get_representative_for): Likewise.
2160 (create_expression_by_pieces): Likewise.
2161 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2162 (create_tailcall_accumulator): Likewise.
2164 2010-04-19 Martin Jambor <mjambor@suse.cz>
2166 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2168 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2170 2010-04-19 Richard Guenther <rguenther@suse.de>
2172 PR tree-optimization/43796
2173 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2174 from SCEV in the lattice.
2175 (vrp_visit_phi_node): Dump change.
2177 2010-04-19 Richard Guenther <rguenther@suse.de>
2179 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2180 * configure: Re-generated.
2182 2010-04-19 Richard Guenther <rguenther@suse.de>
2184 PR tree-optimization/43783
2185 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2186 constant ARRAY_REF operands two and three if possible.
2188 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
2191 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2193 2010-04-19 Jie Zhang <jie@codesourcery.com>
2196 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2198 2010-04-19 Ira Rosen <irar@il.ibm.com>
2200 PR tree-optimization/37027
2201 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2202 and macro to access it.
2203 (vectorizable_reduction): Add argument.
2204 (vect_get_slp_defs): Likewise.
2205 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2206 statements for possible use in SLP.
2207 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2208 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2209 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2211 (vectorizable_reduction): Likewise.
2212 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2214 (vectorizable_type_demotion, vectorizable_type_promotion,
2215 vectorizable_store): Likewise.
2216 (vect_analyze_stmt): Update call to vectorizable_reduction.
2217 (vect_transform_stmt): Likewise.
2218 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2219 (vect_build_slp_tree): Fix indentation. Check that there are no loads
2220 from different interleaving chains in same node.
2221 (vect_slp_rearrange_stmts): New function.
2222 (vect_supported_load_permutation_p): Allow load permutations for
2223 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2224 inside SLP nodes if necessary.
2225 (vect_analyze_slp_instance): Handle reductions.
2226 (vect_analyze_slp): Try to build SLP instances originating from groups
2228 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2229 (vect_get_constant_vectors): Create initial vectors for reductions
2230 according to reduction code. Add new argument.
2231 (vect_get_slp_defs): Add new argument, pass it to
2232 vect_get_constant_vectors.
2233 (vect_schedule_slp_instance): Remove SLP tree root statements.
2235 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2237 * tree.h (ENUM_IS_SCOPED): Define.
2238 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2239 for ENUM_IS_SCOPED enums.
2241 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
2243 * fold-const.c (fold_comparison): Use ssizetype.
2244 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2245 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2246 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2247 * tree-object-size.c (compute_object_sizes): Use size_type_node.
2249 * tree.h (initialize_sizetypes): Remove parameter.
2250 (build_common_tree_nodes): Remove second parameter.
2251 * stor-layout.c (initialize_sizetypes): Remove parameter.
2252 Always create an unsigned type.
2253 (set_sizetype): Assert that the passed type is unsigned and simplify.
2254 * tree.c (build_common_tree_nodes): Remove second parameter.
2255 Adjust call to initialize_sizetypes.
2256 * c-decl.c (c_init_decl_processing): Remove second argument in call to
2257 build_common_tree_nodes.
2259 2010-04-18 Matthias Klose <doko@ubuntu.com>
2261 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2263 2010-04-18 Ira Rosen <irar@il.ibm.com>
2265 PR tree-optimization/43771
2266 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2267 load permutation doesn't have gaps.
2269 2010-04-18 Jan Hubicka <jh@suse.cz>
2271 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2272 (sse_prologue_save_insn expander): Use new pattern.
2273 (sse_prologue_save_insn1): New pattern and splitter.
2274 (sse_prologue_save_insn): Update to deal also with 64bit aligned
2276 * i386.c (setup_incoming_varargs_64): Do not compute jump
2278 (ix86_gimplify_va_arg): Update alignment needed.
2279 (ix86_local_alignment): Do not align all local arrays to 128bit.
2281 2010-04-17 Jan Hubicka <jh@suse.cz>
2283 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2285 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2287 * arm.md (negdi2): Remove redundant code to force values into a
2290 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2292 * arm/bpabi.S: Add EABI alignment attributes to objects.
2293 * arm/bpabi-v6m.S: Likewise.
2294 * arm/crti.asm: Likewise.
2295 * arm/crtn.asm: Likewise.
2296 * arm/lib1funcs.asm: Likewise.
2297 * arm/libunwind.S: Likewise.
2299 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2301 * arm-protos.h (tune_params): New structure.
2302 * arm.c (current_tune): New variable.
2303 (arm_constant_limit): Delete.
2304 (struct processors): Add pointer to the tune parameters.
2305 (arm_slowmul_tune): New tuning option.
2306 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2307 (all_cores): Adjust to pick up the tuning model.
2308 (arm_constant_limit): New function.
2309 (arm_override_options): Select the appropriate tuning model. Delete
2310 initialization of arm_const_limit.
2311 (arm_split_constant): Use the new constant-limit model.
2312 (arm_rtx_costs): Pick up the current tuning model.
2313 * arm.md (is_strongarm, is_xscale): Delete.
2314 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2315 for Xscale variant architectures.
2316 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2318 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2320 * config/arm/arm.c (arm_gen_constant): Remove unused variable
2322 (arm_rtx_costs_1): Remove unused variable extra_cost.
2323 (arm_unwind_emit_set): Use variable offset.
2324 (thumb1_output_casesi): Remove unused variable flags.
2326 2010-04-16 Jeff Law <law@redhat.com>
2328 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2329 needing assignment rather than doing a two-phase assignment. Remove
2330 unused variable 'm'.
2332 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2335 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2337 2010-04-16 Doug Kwan <dougkwan@google.com>
2339 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2340 (next_operand_entry_id): New static variable.
2341 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2342 (add_to_ops_vec): Assigned unique ID to operand entry.
2343 (struct oecount_s): New field ID.
2344 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2345 (undistribute_ops_list): Assign unique IDs to oecounts.
2346 (init_reassoc): reset next_operand_entry_id.
2348 2010-04-16 Doug Kwan <dougkwan@google.com>
2350 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2351 missing left parenthesis.
2353 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
2355 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2356 *btdi_rex64 using SWI48 mode iterator.
2357 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2358 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2359 *jcc_btdi_mask_rex64.
2361 2010-04-16 Anatoly Sokolov <aesok@post.ru>
2363 * double-int.h (tree_to_double_int): Convert to macro.
2364 * double-int.c (tree_to_double_int): Remove.
2366 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2369 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2370 with want_address 2 and in case a single element list might be
2371 possible, call it again with want_address 0.
2373 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2375 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2376 case 'W' print operands for HI mode.
2377 * config/h8300/h8300.h (Y0, Y2) : New constraints.
2378 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2379 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2380 * config/h8300/predicate.md (bit_register_indirect_operand): New.
2382 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2384 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2385 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2386 #xx:3 and #xx:4 mode.
2388 * config/h8300/h8300.md (inverted load with HImode dest): Add
2389 support for H8300SX.
2391 * config/h8300/predicate.md (bit_operand): Allow immediate values that
2392 satisfy 'U' constraint.
2394 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2396 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2397 * configure: Regenerate.
2398 * config.in: Regenerate.
2399 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2402 2010-04-16 Richard Guenther <rguenther@suse.de>
2404 * tree.h (struct tree_decl_minimal): Move pt_uid ...
2405 (struct tree_decl_common): ... here.
2406 (DECL_PT_UID): Adjust.
2407 (SET_DECL_PT_UID): Likewise.
2408 (DECL_PT_UID_SET_P): Likewise.
2410 2010-04-16 Richard Guenther <rguenther@suse.de>
2412 PR tree-optimization/43572
2413 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2414 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2415 * tree-flow.h (is_call_clobbered): Remove.
2416 * tree-flow-inline.h (is_call_clobbered): Likewise.
2417 * tree-dfa.c (dump_variable): Do not dump call clobber state.
2418 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2419 (execute_return_slot_opt): Adjust.
2420 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2421 check for call clobbered vars here.
2422 (find_tail_calls): Move tailcall verification to the
2425 2010-04-16 Diego Novillo <dnovillo@google.com>
2427 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2429 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2432 * config/arm/arm.md (cbranchqi4): New pattern.
2433 * config/arm/predicates.md (const0_operand,
2434 cbranchqi4_comparison_operator): New predicates.
2436 2010-04-16 Richard Guenther <rguenther@suse.de>
2438 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2439 (dump_gimple_stmt): Likewise.
2441 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2443 * recog.h (struct recog_data): New field is_operator.
2444 (struct insn_operand_data): New field is_operator.
2445 * recog.c (extract_insn): Set recog_data.is_operator.
2446 * genoutput.c (output_operand_data): Emit code to set the
2448 * reload.c (find_reloads): Use it rather than testing for an
2449 empty constraint string.
2452 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2453 If the previous insn is a cbranchsi4_insn with the same arguments,
2454 omit the compare instruction.
2456 * config/arm/arm.md (addsi3_cbranch): If destination is a high
2457 register, inputs must be low registers and we need a low register
2458 scratch. Handle alternative 2 like alternative 3.
2460 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2462 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2463 don't call get_addr on both. If one expression is a VALUE and
2464 the other a REG, check VALUE's locs if the REG isn't among them.
2466 2010-04-16 Christian Bruel <christian.bruel@st.com>
2468 * config/sh/sh.h (sh_frame_pointer_required): New function.
2469 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2470 (flag_omit_frame_pointer) Set.
2471 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2472 (rounded_frame_size): Adjust size with outgoing_args_size.
2473 (sh_set_return_address): Must return from stack pointer.
2474 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2475 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2476 (ACCUMULATE_OUTGOING_ARGS): Define.
2477 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2478 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2480 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2483 * config/sh/sh.c (sh_legitimize_reload_address): Use
2484 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2485 Remove a unneeded check for offset_base.
2487 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
2489 * configure: Regenerated.
2491 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2493 * config/s390/s390.c (s390_call_save_register_used): Switch back
2494 to HARD_REGNO_NREGS.
2496 2010-04-15 Richard Guenther <rguenther@suse.de>
2498 * alias.c (alias_set_subset_of): Handle alias-set zero
2501 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
2502 Julian Brown <julian@codesourcery.com>
2504 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2505 alternatives according to use of high and low regs.
2506 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2507 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2508 optimizing for size on Thumb-2.
2510 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
2512 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2514 2010-04-15 Richard Guenther <rguenther@suse.de>
2516 * tree-ssa-structalias.c (struct variable_info): Add
2518 (new_var_info): Initialize it.
2519 (dump_constraints): Support printing last added constraints.
2520 (debug_constraints): Adjust.
2521 (dump_constraint_graph): Likewise.
2522 (make_heapvar_for): Check for NULL cfun.
2523 (get_function_part_constraint): New function.
2524 (get_fi_for_callee): Likewise.
2525 (find_func_aliases): Properly implement IPA PTA constraints.
2526 (process_ipa_clobber): New function.
2527 (find_func_clobbers): Likewise.
2528 (insert_into_field_list_sorted): Remove.
2529 (create_function_info_for): Properly allocate vars for IPA mode.
2530 Do not use insert_into_field_list_sorted.
2531 (create_variable_info_for): Properly generate constraints for
2532 global vars in IPA mode.
2533 (dump_solution_for_var): Always dump the solution.
2534 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2535 (find_what_var_points_to): Adjust.
2536 (pt_solution_set): Change.
2537 (pt_solution_ior_into): New function.
2538 (pt_solution_empty_p): Export.
2539 (pt_solution_includes_global): Adjust.
2540 (pt_solution_includes_1): Likewise.
2541 (pt_solutions_intersect_1): Likewise.
2542 (dump_sa_points_to_info): Check some invariants.
2543 (solve_constraints): Move constraint dumping ...
2544 (compute_points_to_sets): ... here.
2545 (ipa_pta_execute): ... and here.
2546 (compute_may_aliases): Do not re-compute points-to info
2547 locally if IPA info is available.
2548 (ipa_escaped_pt): New global var.
2549 (ipa_pta_execute): Properly implement IPA PTA.
2550 * tree-into-ssa.c (dump_decl_set): Support dumping
2551 decls not in referenced-vars.
2552 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2553 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2554 (dump_points_to_solution): Likewise.
2555 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2556 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2557 (remap_gimple_stmt): Reset call clobber/use information if necessary.
2558 (copy_decl_to_var): Copy DECL_PT_UID.
2559 (copy_result_decl_to_var): Likewise.
2560 * tree.c (make_node_stat): Initialize DECL_PT_UID.
2561 (copy_node_stat): Copy it.
2562 * tree.h (DECL_PT_UID): New macro.
2563 (SET_DECL_PT_UID): Likewise.
2564 (DECL_PT_UID_SET_P): Likewise.
2565 (struct tree_decl_minimal): Add pt_uid member.
2566 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2567 (pt_solution_empty_p): Declare.
2568 (pt_solution_set): Adjust.
2569 (ipa_escaped_pt): Declare.
2570 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2571 * gimple-pretty-print.c (pp_points_to_solution): New function.
2572 (dump_gimple_call): Dump call clobber/use information.
2573 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2574 * tree-pass.h (TDF_ALIAS): New dump option.
2575 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2576 * doc/invoke.texi (-fipa-pta): Update documentation.
2578 2010-04-15 Richard Guenther <rguenther@suse.de>
2580 * Makefile.in (OBJS-common): Add gimple-fold.o.
2581 (gimple-fold.o): New rule.
2582 * tree.h (maybe_fold_offset_to_reference,
2583 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2585 * gimple.h: ... here.
2586 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2587 may_propagate_address_into_dereference): Move prototypes ...
2588 * gimple.h: ... here.
2589 * tree-ssa-ccp.c (get_symbol_constant_value,
2590 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2591 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2592 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2593 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2594 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2595 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2596 gimplify_and_update_call_from_tree): Move ...
2597 * gimple-fold.c: ... here. New file.
2598 (ccp_fold_builtin): Rename to ...
2599 (gimple_fold_builtin): ... this.
2600 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2602 2010-04-15 Richard Guenther <rguenther@suse.de>
2604 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2605 fit_double_type, force_fit_type_double, add_double_with_sign,
2606 neg_double, mul_double_with_sign, lshift_double, rshift_double,
2607 lrotate_double, rrotate_double, div_and_round_double): Move ...
2608 * double-int.c: ... here.
2609 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2610 add_double, neg_double, mul_double_with_sign, mul_double,
2611 lshift_double, rshift_double, lrotate_double, rrotate_double,
2612 div_and_round_double): Move prototypes ...
2613 * double-int.h: ... here.
2615 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
2618 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
2619 matching constraints to ensure inputs match the output.
2621 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2624 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2625 in an input-only operand.
2627 2010-04-15 Anatoly Sokolov <aesok@post.ru>
2629 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2630 (double_int_not, double_int_lshift, double_int_rshift): Declare.
2631 (double_int_negative_p): Convert to static inline function.
2632 * double-int.c (double_int_lshift, double_int_lshift): New functions.
2633 (double_int_negative_p): Remove.
2634 * tree.h (lshift_double, rshift_double):
2635 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2636 * fold-const.c (fold_convert_const_int_from_real,
2637 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2638 (lshift_double): Change type of arith argument to bool.
2639 (rshift_double): Change type of arith argument to bool. Correct
2641 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2643 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
2646 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2647 at the start and end of the then/else blocks, and omit them from the
2649 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
2650 argument; all callers changed. Pass zero to old_insns_match_p instead.
2651 (flow_find_head_matching_sequence): New function.
2652 (old_insns_match_p): Check REG_EH_REGION notes for calls.
2653 * basic-block.h (flow_find_cross_jump,
2654 flow_find_head_matching_sequence): Declare functions.
2656 2010-04-14 Jason Merrill <jason@redhat.com>
2659 * c-common.c (attribute_takes_identifier_p): New fn.
2660 * c-common.h: Declare it.
2662 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2664 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2666 (*udivmod<mode>4): Ditto.
2668 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2670 * config/i386/i386.md (maxmin_int): Rename code attribute from
2671 maxminiprefix and update all users.
2672 (maxmin_float): Ditto from maxminfprefix.
2673 (logic): Ditto from logicprefix.
2674 (absneg_mnemonic): Ditto from absnegprefix.
2675 * config/i386/mmx.md: Update all users of maxminiprefix,
2676 maxminfprefix and logicprefix for rename.
2677 * config/i386/sse.md: Ditto.
2678 * config/i386/sync.md (sync_<code><mode>): Update for
2681 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
2684 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2685 warnings converted to errors.
2687 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2689 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2690 used insn_type variable.
2691 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2692 to avoid set-but-not-used warning.
2694 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2696 * df-core.c (df_ref_debug): Change format string placeholder
2698 * dwarf2asm.c (dw2_asm_output_data_raw,
2699 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2700 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2701 * dwarf2out.c (output_cfi, output_cfi_directive,
2702 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2703 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2705 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2706 * print-rtl.c (print_rtx): Ditto.
2708 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2711 * builtins.c (expand_builtin_pow_root): New function to expand pow
2712 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2713 series of sqrt and cbrt calls under -ffast-math.
2714 (expand_builtin_pow): Call it.
2716 2010-04-14 Michael Matz <matz@suse.de>
2718 PR tree-optimization/42963
2719 * tree-cfg.c (touched_switch_bbs): New static variable.
2720 (group_case_labels_stmt): New function broken out from ...
2721 (group_case_labels): ... here, use the above.
2722 (start_recording_case_labels): Allocate touched_switch_bbs.
2723 (end_recording_case_labels): Deallocate it, call
2724 group_case_labels_stmt.
2725 (gimple_redirect_edge_and_branch): Remember index of affected BB.
2727 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2729 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2732 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2734 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2736 2010-04-13 Jan Hubicka <jh@suse.cz>
2738 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2739 of optimized out static functions.
2740 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2741 cost computation. Also sanity check for overflows.
2742 (update_caller_keys): Update cgraph_edge_badness call; properly
2743 update fibheap and sanity check that it is up to date.
2744 (add_new_edges_to_heap): Update cgraph_edge_badness.
2745 (cgraph_decide_inlining_of_small_function): Likewise;
2746 add sanity checking that badness in heap is up to date;
2747 improve dumping of reason; Update badness of calls to the
2748 offline copy of function currently inlined; dump badness
2749 of functions not inlined because of unit growth limits.
2751 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2754 * c-common.c (pointer_int_sum): Disregard overflow that occured only
2755 because of sign-extension change when converting to sizetype here...
2756 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2758 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2759 the folding to constants. Remove redundant final conversion.
2760 (fold_binary) <associate>: Do not associate if the re-association of
2761 constants alone overflows.
2762 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2763 to the end of the list.
2764 (multiple_of_p) <COND_EXPR>: New case.
2766 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
2768 * opt-functions.awk (opt_sanitized_name): New.
2770 * optc-gen.awk: Use it
2771 * opth-gen.awk: Use it.
2773 2010-04-13 Martin Jambor <mjambor@suse.cz>
2775 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2776 (sra_modify_assign): Delete stmts loading dead data even if racc has no
2777 children. Call replace_uses_with_default_def_ssa_name to handle
2780 2010-04-13 Michael Matz <matz@suse.de>
2783 * builtins.c (expand_builtin_interclass_mathfn): Also create
2784 a register if the predicate doesn't match.
2786 2010-04-13 Diego Novillo <dnovillo@google.com>
2788 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2789 * c-pch.c: Include timevar.h.
2790 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2791 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2792 * ggc-common.c: Include timevar.h.
2793 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2794 * timevar.def (TV_PCH_SAVE): Define.
2795 (TV_PCH_CPP_SAVE): Define.
2796 (TV_PCH_PTR_REALLOC): Define.
2797 (TV_PCH_PTR_SORT): Define.
2798 (TV_PCH_RESTORE): Define.
2799 (TV_PCH_CPP_RESTORE): Define.
2801 2010-04-13 Michael Matz <matz@suse.de>
2803 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2805 (can_reassociate_p): New function.
2806 (break_up_subtract_bb, reassociate_bb): Use it.
2808 2010-04-13 Richard Guenther <rguenther@suse.de>
2811 * builtins.c (c_readstr): Fix assert.
2813 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
2815 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2816 when generating cltd insn.
2818 (*ashl<mode>3_1): Remove special handling for register operand 2.
2819 (*ashlsi3_1_zext): Ditto.
2820 (*ashlhi3_1): Ditto.
2821 (*ashlhi3_1_lea): Ditto.
2822 (*ashlqi3_1): Ditto.
2823 (*ashlqi3_1_lea): Ditto.
2824 (*<shiftrt_insn><mode>3_1): Ditto.
2825 (*<shiftrt_insn>si3_1_zext): Ditto.
2826 (*<shiftrt_insn>qi3_1_slp): Ditto.
2827 (*<rotate_insn><mode>3_1): Ditto.
2828 (*<rotate_insn>si3_1_zext): Ditto.
2829 (*<rotate_insn>qi3_1_slp): Ditto.
2831 2010-04-13 Richard Guenther <rguenther@suse.de>
2833 * tree-ssa-structalias.c (callused_id): Remove.
2834 (call_stmt_vars): New.
2835 (get_call_vi): Likewise.
2836 (lookup_call_use_vi): Likewise.
2837 (lookup_call_clobber_vi): Likewise.
2838 (get_call_use_vi): Likewise.
2839 (get_call_clobber_vi): Likewise.
2840 (make_transitive_closure_constraints): Likewise.
2841 (handle_const_call): Adjust to do per-call call-used handling.
2842 (handle_pure_call): Likewise.
2843 (find_what_var_points_to): Remove general callused handling.
2844 (init_base_vars): Likewise.
2845 (init_alias_vars): Initialize call_stmt_vars.
2846 (compute_points_to_sets): Process call-used and call-clobbered
2847 vars for call statements.
2848 (delete_points_to_sets): Free call_stmt_vars.
2850 2010-04-13 Richard Guenther <rguenther@suse.de>
2852 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2853 Only add RW dependence for dependence distance zero.
2854 Adjust maximal vectorization factor according to dependences.
2855 Move alignment handling ...
2856 (vect_find_same_alignment_drs): ... here. New function.
2857 (vect_analyze_data_ref_dependences): Adjust.
2858 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2859 (vect_analyze_data_refs): Adjust minimal vectorization factor
2860 according to data references.
2861 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2862 dependences before determining the vectorization factor.
2863 Analyze alignment after determining the vectorization factor.
2864 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2865 dependences before alignment.
2866 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2868 (vect_analyze_data_refs): Likewise.
2869 (MAX_VECTORIZATION_FACTOR): New define.
2871 2010-04-13 Duncan Sands <baldrick@free.fr>
2873 * except.h (lang_eh_type_covers): Remove.
2874 * except.c (lang_eh_type_covers): Likewise.
2876 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2877 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2879 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2880 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2881 UNITS_PER_LONG where it is ABI relevant.
2882 (s390_return_addr_rtx): Likewise.
2883 (s390_back_chain_rtx): Likewise.
2884 (s390_frame_area): Likewise.
2885 (s390_frame_info): Likewise.
2886 (s390_initial_elimination_offset): Likewise.
2887 (save_gprs): Likewise.
2888 (s390_emit_prologue): Likewise.
2889 (s390_emit_epilogue): Likewise.
2890 (s390_function_arg_advance): Likewise.
2891 (s390_function_arg): Likewise.
2892 (s390_va_start): Likewise.
2893 (s390_gimplify_va_arg): Likewise.
2894 (s390_function_profiler): Likewise.
2895 (s390_optimize_prologue): Likewise.
2896 (s390_rtx_costs): Likewise.
2897 (s390_secondary_reload): Likewise.
2898 (s390_promote_function_mode): Likewise.
2899 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2900 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2901 registers available.
2902 (s390_unwind_word_mode): New function.
2903 (s390_function_value): Split 64 bit values into register pair if
2904 used as return value.
2905 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2906 function call parameters. Handle parallels.
2907 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2908 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2909 (DWARF_CIE_DATA_ALIGNMENT): New macro.
2910 (s390_expand_setmem): Remove unused variable src_addr.
2911 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2912 deal with 64 bit registers.
2913 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2914 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2915 (UNITS_PER_LONG): New macro.
2916 * libjava/include/s390-signal.h: Define extended ucontext
2917 structure containing the upper halfs of the 64 bit registers.
2919 2010-04-13 Simon Baldwin <simonb@google.com>
2921 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2923 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2925 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2926 rvalue on the RHS if the LHS is of a non-renamable type.
2927 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2929 2010-04-13 Matthias Klose <doko@ubuntu.com>
2931 * gcc.c (cc1_options): Handle -iplugindir before processing
2932 the cc1 spec. Only add -iplugindir once.
2933 (cpp_unique_options): Add -iplugindir option if -fplugin* options
2935 * common.opt (iplugindir): Remove `Separate' property, initialize.
2936 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2938 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2939 (distclean): Remove plugin dir.
2940 * doc/invoke.texi: Document -iplugindir.
2942 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
2944 * doc/plugins.texi (Loading Plugins): Document short
2945 -fplugin=foo option.
2946 (Plugin API): Mention default_plugin_dir_name function.
2948 * gcc.c (find_file_spec_function): Add new declaration.
2949 (static_spec_func): Use it for "find-file".
2950 (find_file_spec_function): Add new function.
2951 (cc1_options): Add -iplugindir option if -fplugin* options found.
2953 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2955 * plugin.c (add_new_plugin): Updated comment, and handle short
2957 (default_plugin_dir_name): Added new function.
2959 * common.opt (iplugindir): New option to set the plugin directory.
2961 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
2963 * config/i386/i386.md (any_rotate): New code iterator.
2964 (rotate_insn): New code attribute.
2966 (SWIM124): New mode iterator.
2967 (<rotate_insn>ti3): New expander.
2968 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2969 any_rotate code iterator.
2970 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2971 using any_rotate code iterator and SWIM124 mode iterator.
2972 (ix86_rotlti3): New insn_and_split pattern.
2973 (ix86_rotrti3): Ditto.
2974 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2975 ix86_rotl{di,ti}3 patterns.
2976 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2977 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2978 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2979 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2980 code iterator and SWI mode iterator.
2981 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2982 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2984 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2985 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2986 (bswap rotatert splitter): Add splitter.
2987 (bswap splitter): Macroize splitter using any_rotate code iterator.
2988 Add insn predicate to split only for TARGET_USE_XCHGB or when
2989 optimizing function for size.
2991 2010-04-12 Steve Ellcey <sje@cup.hp.com>
2993 * config/pa/pa.c (emit_move_sequence): Remove use of
2994 deleted variable flag_argument_noalias.
2996 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2998 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3000 Add to unsupported targets list.
3001 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3002 sparc*-sun-solaris2.[567]* from target lists.
3003 * configure: Regenerate.
3004 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3006 Remove Solaris 7 patch references.
3007 (Specific, sparc-sun-solaris2.7): Removed.
3008 (sparc-sun-solaris2*): Update Solaris 7 example.
3009 (sparc64-*-solaris2*): Likewise.
3011 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3013 * config.build (alpha*-dec-osf4*): Remove.
3014 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3015 of obsolete configurations.
3016 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3018 * config/alpha/t-osf4: Renamed to ...
3019 * config/alpha/t-osf5: ... this.
3020 * config/alpha/osf.h: Renamed to ...
3021 * config/alpha/osf5.h: ... this.
3022 Merged old osf5.h contents.
3024 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3025 (EXTRA_SPECS): Removed.
3026 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3027 reflect removal of Tru64 UNIX V4.0/V5.0 support.
3030 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3032 * doc/contrib.texi (Contributors, Rainer Orth): Update.
3034 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
3037 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3038 __thiscall convention.
3040 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3042 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3044 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3046 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3048 * function.c (assign_parms_initialize_all): Add unused attribute
3051 2010-04-12 Richard Guenther <rguenther@suse.de>
3053 * gsstruct.def (GSS_CALL): New.
3054 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3055 * gimple.h: Include tree-ssa-alias.h.
3056 (struct gimple_statement_call): New.
3057 (union gimple_statement_struct_d): Add gimple_call member.
3058 (gimple_call_reset_alias_info): Declare.
3059 (gimple_call_use_set): New function.
3060 (gimple_call_clobber_set): Likewise.
3061 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3062 * gimple.c (gimple_call_reset_alias_info): New function.
3063 (gimple_build_call_1): Call it.
3064 * lto-streamer-in.c (input_gimple_stmt): Likewise.
3065 * tree-inline.c (remap_gimple_stmt): Likewise.
3066 (expand_call_inline): Remove callused handling.
3067 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3068 * tree-dfa.c (dump_variable): Likewise.
3069 * tree-parloops.c (parallelize_loops): Likewise.
3070 * tree-ssa.c (init_tree_ssa): Likewise.
3071 (delete_tree_ssa): Likewise.
3072 * tree-flow-inline.h (is_call_used): Remove.
3073 * tree-flow.h (struct gimple_df): Remove callused member.
3074 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3075 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3076 (ref_maybe_used_by_call_p_1): Simplify.
3077 (call_may_clobber_ref_p_1): Likewise.
3078 * tree-ssa-structalias.c (compute_points_to_sets): Set
3079 the call stmt used and clobbered sets.
3080 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3081 (find_tail_calls): Verify the tail call.
3083 2010-04-12 Richard Guenther <rguenther@suse.de>
3085 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3086 single-iteration always-inline inlining.
3087 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3088 (cgraph_decide_inlining): Do not handle always-inline specially.
3089 (try_inline): Remove always-inline cycle detection special case.
3090 Do not recurse on always-inlines.
3091 (cgraph_early_inlining): Do not iterate if not optimizing.
3092 (cgraph_gate_early_inlining): remove.
3093 (pass_early_inline): Run unconditionally.
3094 (gate_cgraph_decide_inlining): New function.
3095 (pass_ipa_inline): Use it. Do not run the IPA inliner if
3096 not inlining or optimizing.
3097 (cgraph_decide_inlining_of_small_functions): Also consider
3098 always-inline functions.
3099 (cgraph_default_inline_p): Return true for nodes which should
3100 disregard inline limits.
3101 (estimate_function_body_sizes): Assume zero size and time for
3102 nodes which are marked as disregarding inline limits.
3103 (cgraph_decide_recursive_inlining): Do not perform recursive
3104 inlining on always-inline nodes.
3106 2010-04-12 Jakub Jelinek <jakub@redhat.com>
3109 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3110 for exprs satisfying handled_component_p.
3112 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
3114 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3115 non-constant aggregate elements.
3117 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3118 is a real initialization.
3120 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
3123 * c-decl.c (start_function): Move forward check for nested function.
3125 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
3127 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3128 * config/sh/sh.c: Include reload.h.
3129 (sh_legitimize_reload_address): New.
3130 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3131 sh_legitimize_reload_address.
3133 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
3135 * config/sh/sh.md (*movqi_pop): New insn pattern.
3136 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3138 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3140 * config/i386/i386.md (any_shiftrt): New code iterator.
3141 (shiftrt_insn): New code attribute.
3143 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3144 using any_shiftrt code iterator.
3145 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3146 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3147 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3148 pattern from corresponding peephole2 patterns.
3149 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3150 using any_shiftrt code iterator.
3151 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3152 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3153 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3154 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3155 *{ashr,lshr}<mode>3_cmp_zext.
3156 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3158 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3160 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3162 (*lshr<mode>3_cconly): Ditto.
3164 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3166 * config/i386/i386.md (lshr<mode>3): Macroize expander from
3167 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3168 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3169 pattern from *lshr{di,ti}3_1 and corresponding splitters using
3171 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3172 from corresponding peephole2 patterns.
3173 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3174 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3175 and *lshrdi3_1_rex64 using SWI mode iterator.
3176 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3177 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3178 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3179 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3180 and *lshrdi3_cmp_rex64 using SWI mode iterator.
3181 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3182 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3183 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3184 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3187 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
3189 * config/i386/i386.md (ashr<mode>3): Macroize expander from
3190 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3191 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3192 pattern from *ashr{di,ti}3_1 and corresponding splitters using
3194 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3195 from corresponding peephole2 patterns.
3196 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3197 (ashrsi3_cvt): Rename from ashrsi3_31.
3198 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3199 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3200 and x86_64_shift_adj_3 using SWI48 mode iterator.
3201 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3202 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3203 and *ashrdi3_1_rex64 using SWI mode iterator.
3204 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3205 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3206 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3207 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3208 and *ashrdi3_cmp_rex64 using SWI mode iterator.
3209 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3210 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3211 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3212 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3214 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3215 * config/i386/i386.c (ix86_split_ashr): Update for renamed
3216 x86_shift<mode>_adj_3 expanders.
3218 2010-04-10 Wei Guozhi <carrot@google.com>
3221 * config/arm/arm.c (arm_pic_static_addr): New function.
3222 (legitimize_pic_address): Call arm_pic_static_addr when it detects
3224 (arm_output_addr_const_extra): Output expression for new pattern.
3225 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3227 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
3229 * ira-costs.c (record_reg_classes): Ignore alternatives that are
3232 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3233 * web.c: Include "insn-config.h" and "recog.h".
3234 (union_match_dups): New function.
3235 (web_main): Call it.
3236 (union_defs): Don't try to recognize match_dups.
3238 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3239 if doing so would replace the entire pattern.
3241 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3245 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3246 and splitter pattern. Change splitter operand 1 predicate to
3249 2010-04-09 Martin Jambor <mjambor@suse.cz>
3251 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3252 lattices are addresses of CONST_DECLs with the same initial value.
3253 (ipcp_print_all_lattices): Print values of CONST_DECLs.
3254 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3256 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
3257 Bernd Schmidt <bernds@codesourcery.com>
3259 * loop-invariant.c (replace_uses): New static function.
3260 (move_invariant_reg): Use it to ensure we can replace the uses.
3262 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
3264 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3266 (picochip_override_options): Enable section anchors only above -O1.
3267 (picochip_reorg): Fixed a couple of build warnings.
3269 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3271 * configure.ac (plugin -rdynamic test): Log result.
3272 * configure: Regenerate.
3273 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3274 (RDYNAMIC_SPEC): Define.
3275 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3277 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3279 * configure.ac: Determine Sun ld version numbers.
3280 (comdat_group): Restrict GNU ld version checks to gld.
3281 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3282 (enable_comdat): Support --enable-comdat.
3283 * configure: Regenerate.
3284 * doc/install.texi (Configuration): Document --enable-comdat.
3286 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3288 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
3289 * config/sol2-gld.h: ... here.
3290 * config.gcc (sparc*-*-solaris2*): Reflect this.
3291 (i[34567]86-*-solaris2*): Use it.
3293 2010-04-09 Steve Ellcey <sje@cup.hp.com>
3295 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3297 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3299 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3302 * diagnostic.c (diagnostic_initialize): Initialize
3303 some_warnings_are_errors.
3304 (diagnostic_finish): New.
3305 (diagnostic_action_after_output): Call it before exiting.
3306 (diagnostic_report_diagnostic): Do not print message here. Set
3307 some_warnings_are_errors.
3308 * diagnostic.h (diagnostic_context): Delete
3309 issue_warnings_are_errors_message. Add some_warnings_are_errors.
3310 (diagnostic_finish): Declare.
3311 * toplev.c (toplev_main): Call it before exit.
3313 2010-04-09 Jason Merrill <jason@redhat.com>
3316 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3317 for incomplete type.
3320 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3321 based on a warning flag.
3323 2010-04-09 Richard Guenther <rguenther@suse.de>
3325 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3327 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
3330 * varasm.c (default_assemble_visibility): Wrap vars that are
3331 set, but unused, by targets without GAS.
3332 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3333 Remove set, but unused, vars.
3334 (rs6000_legitimize_tls_address): Likewise.
3335 (altivec_expand_dst_builtin): Likewise.
3336 * config/darwin.c (machopic_classify_symbol): Likewise.
3337 (machopic_indirection_name): Likewise.
3339 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3341 * config/i386/i386.md (DWI): New mode iterator.
3342 (S): New mode attribute.
3343 (shift_operand): Ditto.
3344 (shift_immediate_operand): Ditto.
3345 (ashl_input_operand): Ditto.
3346 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3347 using SDWIM mode iterator.
3348 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
3349 pattern from *ashl{di,ti}3_1 and corresponding splitters using
3351 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3352 from corresponding peephole2 patterns.
3353 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3354 and x86_64_shift_adj_1 using SWI48 mode iterator.
3355 (x86_shift<mode>_adj_2): Ditto.
3356 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3357 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3358 using SWI48 mode iterator.
3359 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3360 *ashldi3_cmp_rex64 using SWI mode iterator.
3361 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3362 *ashldi3_cconly_rex64 using SWI mode iterator.
3363 * config/i386/i386.c (ix86_split_ashl): Update for renamed
3364 x86_shift<mode>_adj_{1,2}.
3365 (ix86_split_ashr): Ditto.
3366 (ix86_split_lshr): Ditto.
3368 2010-04-09 Richard Guenther <rguenther@suse.de>
3370 * target.h (builtin_conversion): Pass in input and output types.
3371 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3372 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3373 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3374 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3376 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3378 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3380 2010-04-09 Richard Guenther <rguenther@suse.de>
3383 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3385 2010-04-09 Richard Guenther <rguenther@suse.de>
3387 * tree-vectorizer.h (struct _stmt_vec_info): Document
3388 that vectype is the type of the LHS.
3389 (supportable_widening_operation, supportable_narrowing_operation):
3390 Get both input and output vector types as arguments.
3391 (vect_is_simple_use_1): Declare.
3392 (get_same_sized_vectype): Likewise.
3393 * tree-vect-loop.c (vect_determine_vectorization_factor):
3394 Set STMT_VINFO_VECTYPE to the vector type of the def.
3395 (vectorizable_reduction): Adjust.
3396 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3397 Adjust. Specify the output vector type.
3398 (vect_pattern_recog_1): Adjust.
3399 * tree-vect-stmts.c (get_same_sized_vectype): New function.
3400 (vectorizable_call): Adjust.
3401 (vectorizable_conversion): Likewise.
3402 (vectorizable_operation): Likewise.
3403 (vectorizable_type_demotion): Likewise.
3404 (vectorizable_type_promotion): Likewise.
3405 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3407 (vect_is_simple_use_1): New function.
3408 (supportable_widening_operation): Get both input and output
3410 (supportable_narrowing_operation): Likewise.
3411 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3413 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
3415 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3416 __thiscall and _thiscall as predefined macros.
3417 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3418 thiscall attribute handling.
3419 (ix86_comp_type_attributes): Likewise.
3420 (ix86_function_regparm): Likewise.
3421 (ix86_return_pops_args): Likewise.
3422 (init_cumulative_args): Likewise.
3423 (find_drap_reg): Likewise.
3424 (ix86_static_chain): Likewise.
3425 (x86_this_parameter): Likewise.
3426 (x86_output_mi_thunk): Likewise.
3427 (ix86_attribute_table): Add description for thiscall attribute.
3428 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3429 * doc/extend.texi: Add documentation for thiscall.
3431 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3434 * c.opt (Wint-to-pointer-cast): Available in C++.
3435 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3437 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
3439 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3440 * calls.c (expand_call): Pass the function type to aggregate_value_p.
3441 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3442 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
3443 function type instead. Reorder and simplify checks.
3445 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3447 2010-04-08 Jing Yu <jingyu@google.com>
3448 Zdenek Dvorak <ook@ucw.cz>
3450 PR tree-optimization/42720
3451 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3452 loop unswitch conditions here from ...
3453 (tree_unswitch_single_loop): ... here.
3455 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3457 * tree-if-conv.c: Fix comments and simplify logic.
3459 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3461 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3462 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
3463 (main_tree_if_conversion): Update call to tree_if_conversion.
3465 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
3468 * doc/invoke.texi (-b,-V): Delete.
3469 * doc/tm.texi: Do not mention -b.
3470 * gcc.c (display_help): Delete -b and -V.
3471 (process_command): Delete -b and -V.
3472 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3474 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
3475 Wolfgang Gellerich <gellerich@de.ibm.com>
3477 Implement target hook for loop unrolling
3478 * target.h (loop_unroll_adjust): Add a new target hook function.
3479 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3480 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3481 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3482 (s390_loop_unroll_adjust): Implement the new target hook for s390.
3483 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3485 (decide_unroll_stupid): Likewise.
3487 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3490 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3492 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3494 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3495 (Specific, *-*-solaris2*): Likewise.
3496 Don't prefer Sun as over GNU as.
3498 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
3500 * config/s390/s390.c (override_options): Adjust the z10
3501 defaults for max-unroll-times, max-completely-peeled-insns
3502 and max-completely-peel-times.
3504 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3506 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3507 instructions for z10.
3508 (s390_expand_setmem): Likewise.
3509 (s390_expand_cmpmem): Likewise.
3511 2010-04-08 Richard Guenther <rguenther@suse.de>
3513 PR tree-optimization/43679
3514 * tree-ssa-pre.c (eliminate): Only propagate copies.
3516 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3519 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3520 set but not used variable warning.
3522 2010-04-08 Wei Guozhi <carrot@google.com>
3525 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3526 (arm_size_rtx_costs): Call the new function when optimized for size.
3528 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3531 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3532 op0 is not a MEM, just return NULL instead of assertion
3534 (discover_nonconstant_array_refs): Don't walk debug stmts.
3536 2010-04-08 Doug Kwan <dougkwan@google.com>
3538 * configure.ac: Recognize gold and do not use its version number
3539 to test ld features.
3540 * configure: Regenerate.
3542 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
3545 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3546 (negate_value): Move code to push elements to broken_up_substracts ...
3547 (eliminate_plus_minus_pair): ... here. Push operands that have no
3548 negative pair to plus_negates.
3549 (repropagate_negates, init_reassoc, fini_reassoc): Update.
3551 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3553 * doc/install.texi (Configuration): Move description of
3554 --enable-lto, --with-libelf*, --enable-gold from Java section to
3557 * doc/generic.texi (Working with declarations)
3558 (Function Properties, C and C++ Trees): Fix typos.
3559 * doc/sourcebuild.texi (Top Level): Likewise.
3561 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3564 * tree.h (DECL_READ_P): Define.
3565 (struct tree_decl_common): Add decl_read_flag.
3566 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3567 a set but not used warning.
3568 (merge_decls): Merge DECL_READ_P flag.
3569 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3570 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3571 * c-common.c (handle_used_attribute, handle_unused_attribute):
3573 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3575 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3577 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3578 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3579 c_parser_binary_expression, c_parser_cast_expression,
3580 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3581 Call default_function_array_read_conversion instead of
3582 default_function_array_conversion where needed.
3583 (c_parser_unary_expression, c_parser_conditional_expression,
3584 c_parser_postfix_expression_after_primary, c_parser_initelt):
3585 Likewise. Call mark_exp_read where needed.
3586 (c_parser_statement_after_labels, c_parser_asm_operands,
3587 c_parser_typeof_specifier, c_parser_sizeof_expression,
3588 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3590 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3592 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3593 (warn_unused_but_set_parameter): Default to warn_unused
3595 * doc/invoke.texi: Document -Wunused-but-set-variable and
3596 -Wunused-but-set-parameter.
3598 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3599 used count variable.
3600 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3601 when operandN variables aren't used in the body of the expander
3603 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3604 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3605 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3606 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3607 FOR_EACH_IMM_USE_ON_STMT): Likewise.
3608 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3609 * tree.c (PROCESS_ARG): Likewise.
3611 2010-04-07 Simon Baldwin <simonb@google.com>
3613 * diagnostic.h (diagnostic_override_option_index): New macro to
3614 set a diagnostic's option_index.
3615 * c-tree.h (c_cpp_error): Add warning reason argument.
3616 * opts.c (_warning_as_error_callback): New.
3617 (register_warning_as_error_callback): Store callback for
3618 warnings enabled via enable_warning_as_error.
3619 (enable_warning_as_error): Call callback, minor code tidy.
3620 * opts.h (register_warning_as_error_callback): Declare.
3621 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3622 response to -Werror=.
3623 (c_common_init_options): Register warning_as_error_callback in opts.c.
3624 * common.opt: Add -Wno-cpp option.
3625 * c-common.c (struct reason_option_codes_t): Map cpp warning
3626 reason codes to gcc option indexes.
3627 * (c_option_controlling_cpp_error): New function, lookup the gcc
3628 option index for a cpp warning reason code.
3629 * (c_cpp_error): Add warning reason argument, call
3630 c_option_controlling_cpp_error for diagnostic_override_option_index.
3631 * doc/invoke.texi: Document -Wno-cpp.
3633 2010-04-07 Richard Guenther <rguenther@suse.de>
3635 * ipa-reference.c (mark_load): Use get_base_address.
3636 (mark_store): Likewise.
3638 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3639 inserting GIMPLE_NOPs into the IL.
3640 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3641 Explicitly strip handled components and indirect references.
3643 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3644 folding address expressions.
3645 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3646 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3647 operand_equal_p to compare decls.
3648 (ptr_deref_may_alias_decl_p): Likewise.
3649 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3650 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3651 Handle reversed comparison ops.
3652 * tree-sra.c (asm_visit_addr): Use get_base_address.
3653 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3654 * ipa-reference.c (mark_address): Use get_base_address.
3656 2010-04-07 Richard Guenther <rguenther@suse.de>
3658 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3659 Propagate constants everywhere.
3661 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3664 * tree.c (MAX_INT_CACHED_PREC): Define.
3665 (nonstandard_integer_type_cache): New array.
3666 (build_nonstandard_integer_type): Cache results for precision
3667 <= MAX_INT_CACHED_PREC.
3669 2010-04-07 Richard Guenther <rguenther@suse.de>
3671 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3672 -fargument-noalias-global, -fargument-noalias-anything): Remove.
3673 * common.opt: Likewise.
3674 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3675 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3676 (nonoverlapping_memrefs_p): Likewise.
3677 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3678 * opts.c (common_handle_option): Handle OPT_fargument_alias,
3679 OPT_fargument_noalias, OPT_fargument_noalias_anything and
3680 OPT_fargument_noalias_global for backward compatibility.
3682 2010-04-07 Richard Guenther <rguenther@suse.de>
3684 PR tree-optimization/43270
3685 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3686 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3687 * tree-ssa-pre.c (phi_translate_1): Adjust.
3688 (fully_constant_expression): Split out vn_reference handling to ...
3689 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3690 Fold reads from constant strings.
3691 (vn_reference_lookup): Handle fully constant references.
3692 (vn_reference_lookup_pieces): Likewise.
3693 * Makefile.in (expmed.o-warn): Add -Wno-error.
3695 2010-04-07 Martin Jambor <mjambor@suse.cz>
3697 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3699 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
3702 * gcc.c: Add -static-libstdc++ to list of recognized options.
3704 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3706 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3708 2010-04-07 Richard Guenther <rguenther@suse.de>
3711 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3712 bases build simple mem attributes to retain points-to information.
3714 2010-04-07 Richard Guenther <rguenther@suse.de>
3717 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3718 preserve points-to related information.
3720 2010-04-07 Richard Guenther <rguenther@suse.de>
3723 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3724 discard plain indirect references.
3725 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3726 * tree.c (tree_nop_conversion): Likewise.
3728 2010-04-07 Dodji Seketeli <dodji@redhat.com>
3731 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3733 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
3735 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3736 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3738 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3740 * tree-if-conv.c: Fix indentation and comments.
3742 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3744 * tree-if-conv.c: Sort static functions in topological order.
3746 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3748 * tree-if-conv.c: Fix indentation and comments.
3750 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3753 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3754 lang_hooks.types.type_for_size instead of
3755 build_nonstandard_integer_type.
3756 When converting an unsigned type to signed, double its precision.
3757 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3758 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3759 (graphite_create_new_loop_guard): When ub + 1 wraps around,
3762 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3765 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3766 POINTER_PLUS_EXPR for pointer types.
3768 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3771 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3772 * graphite-clast-to-gimple.c: Include langhooks.h.
3773 (max_signed_precision_type): New.
3774 (max_precision_type): Takes two types as arguments.
3775 (precision_for_value): New.
3776 (precision_for_interval): New.
3777 (gcc_type_for_interval): New.
3778 (gcc_type_for_value): New.
3779 (gcc_type_for_clast_term): New.
3780 (gcc_type_for_clast_red): New.
3781 (gcc_type_for_clast_bin): New.
3782 (gcc_type_for_clast_expr): Split up into several functions.
3783 (gcc_type_for_clast_eq): Rewritten.
3784 (compute_bounds_for_level): New.
3785 (compute_type_for_level_1): New.
3786 (compute_type_for_level): New.
3787 (gcc_type_for_cloog_iv): Removed.
3788 (gcc_type_for_iv_of_clast_loop): Rewritten.
3789 (graphite_create_new_loop): Compute the lower and upper bound types
3790 with gcc_type_for_clast_expr.
3791 (graphite_create_new_loop_guard): Same.
3792 (find_cloog_iv_in_expr): Removed.
3793 (compute_cloog_iv_types_1): Removed.
3794 (compute_cloog_iv_types): Removed.
3795 (gloog): Do not call compute_cloog_iv_types.
3796 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3798 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3799 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3800 (GBB_CLOOG_IV_TYPES): Removed.
3802 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3804 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3805 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3806 (detect_commutative_reduction): Same.
3808 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3810 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3811 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
3813 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3814 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3815 (rewrite_commutative_reductions_out_of_ssa): Same.
3816 * passes.c (execute_function_todo): Call verify_ssa for every pass
3817 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
3818 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3819 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3820 with an extra argument.
3821 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
3822 verify_ssa only when the extra argument is true.
3823 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3824 with an extra argument.
3825 (tree_transform_and_unroll_loop): Same.
3827 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3829 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3830 for all the passes of the LNO having LOOP_CLOSED_SSA.
3831 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3832 * tree-loop-distribution.c (pass_loop_distribution): Same.
3833 * tree-pass.h (TODO_verify_loops): Removed.
3834 * tree-ssa-loop.c (pass_tree_loop_init): Same.
3836 (pass_tree_unswitch): Same.
3837 (pass_predcom): Same.
3838 (pass_vectorize): Same.
3839 (pass_linear_transform): Same.
3840 (pass_graphite_transforms): Same.
3841 (pass_iv_canon): Same.
3842 (pass_complete_unroll): Same.
3843 (pass_complete_unrolli): Same.
3844 (pass_parallelize_loops): Same.
3845 (pass_loop_prefetch): Same.
3846 (pass_iv_optimize): Same.
3848 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
3851 * passes.c (init_optimization_passes): Move pass_lim before
3852 pass_copy_prop and pass_dce_loop.
3854 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3857 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3858 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3859 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3860 MULTI_* defines for 4 argument vpermil2p* builtins.
3862 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3864 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3865 * config/i386/i386.c (x86_maybe_negate_const_int): New.
3866 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3867 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3868 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3869 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3870 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3871 Use x86_maybe_negate_const_int to output insn mnemonic.
3872 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
3873 check from instruction predicate. Update comments.
3874 * config/i386/sync.md (sync_add<mode>): Use
3875 x86_maybe_negate_const_int to output insn mnemonic.
3877 2010-04-06 Jan Hubicka <jh@suse.cz>
3879 PR tree-optimization/42906
3880 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3881 IGNORE_SELF argument. Set visited_control_parents for fully
3883 (find_obviously_necessary_stmts): Update call of
3884 mark_control_dependent_edges_necessary.
3885 (propagate_necessity): Likewise. Handle PHI edges more curefully.
3887 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3889 * config/i386/i386.md: Remove comment about 'e' and 'E'
3892 2010-04-06 Richard Guenther <rguenther@suse.de>
3894 PR tree-optimization/43627
3895 * tree-vrp.c (extract_range_from_unary_expr): Widenings
3896 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3899 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3901 * BASE-VER: Change to 4.6.0.
3904 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3907 2010-04-06 Richard Guenther <rguenther@suse.de>
3910 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3912 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3914 * doc/invoke.texi (Optimize Options): Document that LTO
3915 won't remove object access purely due to incompatible
3918 2010-04-04 Matthias Klose <doko@ubuntu.com>
3920 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3921 Initialize variable.
3923 2010-04-03 Richard Guenther <rguenther@suse.de>
3926 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3927 require a non-NULL MEM_OFFSET.
3929 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
3931 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3932 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3933 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3934 config/alpha/predicates.md, config/arm/arm.md,
3935 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3936 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3937 config/darwin9.h, config/darwin.c, config/darwin.h,
3938 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3939 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3940 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3941 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3942 config/mips/mips.md, config/mn10300/mn10300.c,
3943 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3944 config/rs6000/aix.h, config/rs6000/dfp.md,
3945 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3946 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3947 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3948 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3949 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3950 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3951 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3952 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3953 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3954 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3955 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3956 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3957 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3958 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3959 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3960 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3961 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3962 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3963 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3964 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3965 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3966 opt-functions.awk, opth-gen.awk, params.def, passes.c,
3967 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3968 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3969 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3970 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3971 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3972 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3973 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3974 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3975 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3976 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3977 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3978 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3979 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3980 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3982 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3985 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3986 * aclocal.m4: Regenerate.
3988 2010-04-02 Richard Guenther <rguenther@suse.de>
3990 PR tree-optimization/43629
3991 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3992 if we have seen a constant value.
3994 2010-04-02 Joseph Myers <joseph@codesourcery.com>
3996 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3998 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
4001 * arm.c (legitimize_tls_address): Adjust call to
4002 gen_tls_load_dot_plus_four.
4003 (arm_note_pic_base): New function.
4004 (arm_cannot_copy_insn_p): Use it.
4005 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
4008 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4013 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4015 * Makefile.in ($(out_object_file)): Depend on
4016 gt-$(basename $(notdir $(out_file))).h.
4018 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
4020 * config.gcc (lm32-*-rtems*): Add t-lm32.
4022 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
4024 * config.gcc: Add lm32-*-rtems*.
4025 * config/lm32/rtems.h: New file.
4027 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
4030 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
4032 2010-04-01 Jakub Jelinek <jakub@redhat.com>
4034 * dwarf2out.c (output_compilation_unit_header): For
4035 -gdwarf-4 use version 4 instead of version 3.
4036 (output_line_info): For version 4 and above emit additional
4037 maximum ops per insn header field.
4038 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
4040 * dwarf2out.c (is_c_family, is_java): Remove.
4041 (lower_bound_default): New function.
4042 (add_bound_info, gen_descr_array_type_die): Use it.
4044 2010-04-01 Dodji Seketeli <dodji@redhat.com>
4047 * dwarf2out.c (gen_variable_die): Allow debug info for variable
4048 re-declaration when it happens in a function.
4050 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
4052 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
4053 (cgraph_remove_function_insertion_hook): Same.
4054 (cgraph_call_function_insertion_hooks): Same.
4056 2010-04-01 Richard Guenther <rguenther@suse.de>
4059 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
4060 and TREE_THIS_VOLATILE.
4061 (copy_ref_info): Likewise.
4062 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
4063 * tree.c (build6_stat): Ignore side-effects of all but arg5
4064 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
4067 2010-04-01 Richard Guenther <rguenther@suse.de>
4069 PR tree-optimization/43607
4070 * ipa-type-escape.c (check_call): Do not access non-existing
4073 2010-04-01 Richard Guenther <rguenther@suse.de>
4077 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
4078 Jack Howarth <howarth@bromo.med.uc.edu>
4080 * tree-profile.c (tree_init_ic_make_global_vars): Make static
4083 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4085 * doc/install.texi (Prerequisites): Document libelf usability on
4086 IRIX 5/6 and Solaris 2.
4087 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
4088 Update GNU as, GNU ld requirements.
4089 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
4090 Document Sun Studio compiler download.
4091 Update and simplify as, ld recommendations.
4092 (Specific, *-*-solaris2.7): Note obsoletion, removal.
4094 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4096 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
4097 with_tune_32 to pentium4.
4099 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
4101 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
4103 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4105 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
4106 obsoletion, removal.
4108 Document GNU as requirement.
4109 Update configure requirements.
4110 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
4111 Recomment IRIX 6.5.18+.
4112 Document IDF/IDL requirement.
4113 Document GNU as requirement.
4114 Document GNU ld bootstrap failure.
4115 Remove freeware.sgi.com reference.
4117 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4119 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
4120 UNIX V4.0, V5.0 obsoletion, removal.
4121 Remove --with-gc=simple reference.
4122 Update VM requirements during bootstrap.
4123 Remove -oldas bootstrap description.
4124 Update binutils reference.
4125 Remove comparison failure note.
4127 2010-03-31 Richard Guenther <rguenther@suse.de>
4128 Zdenek Dvorak <ook@ucw.cz>
4129 Sebastian Pop <sebastian.pop@amd.com>
4132 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
4133 with multiple arguments.
4134 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
4136 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4138 * graphite-dependences.c (print_pddr): Call print_pdr with an
4140 * graphite-poly.c (debug_pdr): Add an extra argument for the
4143 (print_pbb_domain): Same.
4145 (print_scop_context): Same.
4147 (print_cloog): Same.
4148 (debug_pbb_domain): Same.
4152 (debug_scop_context): Same.
4154 (debug_cloog): Same.
4155 (print_scop_params): Same.
4156 (debug_scop_params): Same.
4157 (print_iteration_domain): Same.
4158 (print_iteration_domains): Same.
4159 (debug_iteration_domain): Same.
4160 (debug_iteration_domains): Same.
4161 (print_scattering_function): Same.
4162 (print_scattering_functions): Same.
4163 (debug_scattering_function): Same.
4164 (debug_scattering_functions): Same.
4165 * graphite-poly.h (debug_pdr): Update declaration.
4167 (print_pbb_domain): Same.
4169 (print_scop_context): Same.
4171 (print_cloog): Same.
4172 (debug_pbb_domain): Same.
4176 (debug_scop_context): Same.
4178 (debug_cloog): Same.
4179 (print_scop_params): Same.
4180 (debug_scop_params): Same.
4181 (print_iteration_domain): Same.
4182 (print_iteration_domains): Same.
4183 (debug_iteration_domain): Same.
4184 (debug_iteration_domains): Same.
4185 (print_scattering_function): Same.
4186 (print_scattering_functions): Same.
4187 (debug_scattering_function): Same.
4188 (debug_scattering_functions): Same.
4190 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4192 * graphite-poly.c (print_scattering_function_1): New.
4193 (print_scattering_function): Call it.
4194 (print_scop_params): Remove spaces at the end of lines.
4197 * graphite-poly.h (print_cloog): Declared.
4198 (debug_cloog): Declared.
4200 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4202 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
4204 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
4205 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
4206 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
4207 to switch between adding the IV bump in loop->latch or in loop->header.
4209 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4211 * graphite-poly.c (print_scattering_function): Pretty print following
4214 (print_pbb_domain): Same.
4215 (dump_gbb_cases): Same.
4216 (dump_gbb_conditions): Same.
4219 (print_scop_params): Same.
4220 (print_scop_context): Same.
4222 (print_pbb_body): New.
4223 (lst_indent_to): New.
4224 (print_lst): Start new lines with a #.
4225 * graphite-poly.h (pbb_bb): New.
4226 (pbb_index): Use pbb_bb.
4227 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
4229 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
4231 2010-03-31 Jakub Jelinek <jakub@redhat.com>
4233 * dwarf2out.c (size_of_die): For -gdwarf-4 use
4234 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
4235 and 0 instead of 1 for dw_val_class_flag.
4236 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
4237 dw_val_class_range_list, dw_val_class_loc_list,
4238 dw_val_class_lineptr and dw_val_class_macptr, use
4239 DW_FORM_flag_present for dw_val_class_flag and
4240 DW_FORM_exprloc for dw_val_class_loc.
4241 (output_die): For -gdwarf-4 print dw_val_class_loc
4242 size as uleb128 instead of 1 or 2 bytes and don't print
4243 anything for dw_val_class_flag.
4245 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
4246 instead of cselib_lookup following by tweaking locs->setting_insn.
4249 * cselib.c (cselib_process_insn): Clear cselib_current_insn
4250 even before returning from label, setjmp call or volatile asm
4253 2010-03-31 Richard Guenther <rguenther@suse.de>
4256 * cgraphunit.c (cgraph_output_in_order): Do not allocate
4257 temporary data on stack.
4259 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4261 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
4262 (PUSHSECTION_ASM_OP): Remove.
4263 (POPSECTION_ASM_OP): Remove.
4264 (PUSHSECTION_FORMAT): Remove.
4265 * config/sol2.h (PUSHSECTION_FORMAT): Define.
4266 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
4267 * config/sol2.c (solaris_output_init_fini): Use it.
4269 2010-03-31 Jie Zhang <jie@codesourcery.com>
4272 * opt-functions.awk (var_type_struct): Use signed char type
4273 for simple variables.
4275 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4277 * config/sol2.c: Include output.h.
4278 (solaris_assemble_visibility): New function.
4279 * config/t-sol2 (sol2.o): Add output.h dependency.
4280 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
4281 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
4284 2010-03-31 Jakub Jelinek <jakub@redhat.com>
4287 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
4288 V2SImode or XFmode on PRE_DEC.
4291 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
4294 2010-03-31 Jie Zhang <jie@codesourcery.com>
4297 * reload.h (caller_save_initialized_p): Declare.
4298 * toplev.c (backend_init_target): Don't call
4299 init_caller_save but set caller_save_initialized_p to false.
4300 * caller-save.c (caller_save_initialized_p): Define.
4301 (init_caller_save): Check caller_save_initialized_p.
4302 * ira.c (ira): Call init_caller_save if flag_caller_saves.
4304 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4307 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
4308 and soft-fp/t-softfp to tmake_file.
4309 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
4310 (LIBGCC2_TF_CEXT): Define.
4313 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
4316 * cselib.c (n_useless_values): Document handling of debug locs.
4317 (n_useless_debug_values, n_debug_values): New variables.
4318 (new_elt_loc_list): Don't add to debug values, keep count.
4319 (promote_debug_loc): New.
4320 (cselib_reset_table): Zero new variables.
4321 (entry_and_rtx_equal_p): Promote debug locs.
4322 (discard_useless_locs): Increment n_useless_debug_values for
4324 (remove_useless_values): Adjust n_useless_values and n_debug_values
4325 with n_useless_debug_values.
4326 (add_mem_for_addr): Promote debug locs.
4327 (cselib_lookup_mem): Likewise.
4328 (cselib_lookup_addr): Renamed to...
4329 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
4330 (cselib_log_lookup): ... this. Turn into...
4331 (cselib_lookup_addr): ... new wrapper.
4332 (cselib_lookup_from_insn): New.
4333 (cselib_invalidate_regno): Increment n_useless_debug_values for
4335 (cselib_invalidate_mem): Likewise.
4336 (cselib_process_insn): Take n_deleted and n_debug_values into
4337 account to guard remove_useless_value call.
4338 (cselib_finish): Zero n_useless_debug_values.
4339 * cselib.h (cselib_lookup_from_insn): Declare.
4340 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
4341 (sched_analyze_2): Likewise.
4343 2010-03-30 Jakub Jelinek <jakub@redhat.com>
4345 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
4347 (adjust_mems): Replace narrowing SUBREG of expression containing
4348 just PLUS, MINUS, MULT and ASHIFT of registers and constants
4349 with operations in the narrower mode.
4352 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
4353 regs_invalidated_by_call instead all call_used_reg_set registers.
4355 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
4358 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
4359 pointer comparisons with types_compatible_p.
4360 * tree-vect-stmts.c (vectorizable_call): Same.
4361 (vectorizable_condition): Same.
4363 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4365 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
4366 stack check if the mask would be zero.
4368 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
4369 Jack Howarth <howarth@bromo.med.uc.edu>
4371 * tree-profile.c (tree_init_ic_make_global_vars): Make static
4374 2010-03-30 Joseph Myers <joseph@codesourcery.com>
4377 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
4379 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
4380 Include ___unordxf2 and ___unordtf2.
4381 * config/i386/libgcc-glibc.ver: Do not define inheritance from
4384 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
4386 * config/lm32/t-lm32: New file.
4387 * config.gcc: Use the above file when targetting lm32.
4389 2010-03-28 Duncan Sands <baldrick@free.fr>
4391 * Makefile.in (PLUGIN_HEADERS): Add except.h.
4393 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4396 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
4397 Improve vectorization cost model diagnostic.
4399 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4402 * tree-vect-data-refs.c (vect_analyze_data_refs): When
4403 compute_data_dependences_for_loop returns false, early exit
4404 and output an extra diagnostic for the failed data reference
4407 2010-03-29 Richard Guenther <rguenther@suse.de>
4409 PR tree-optimization/43560
4410 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
4411 (can_sm_ref_p): Treat stores to readonly locations as trapping.
4413 2010-03-29 Jie Zhang <jie@codesourcery.com>
4416 * toplev.c (process_options): Set optimization_default_node
4417 and optimization_current_node.
4418 * opts.c (decode_options): Don't set optimization_default_node
4419 and optimization_current_node.
4421 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
4423 * config/rtems.h: Abandon -qrtems_debug.
4425 2010-03-28 Jan Hubicka <jh@suse.cz>
4427 PR tree-optimization/43505
4428 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
4429 map should not be copied.
4431 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4434 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
4435 cdtors, set DECL_PRESERVE_P.
4436 * ipa.c (cgraph_externally_visible_p): Return true if declaration
4439 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
4441 PR tree-optimization/43528
4442 * stor-layout.c (place_field): Check that constant fits into
4443 unsigned HWI when skipping calculation of MS bitfield layout.
4445 2010-03-27 Jan Hubicka <jh@suse.cz>
4448 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
4449 notice_global_symbol work.
4451 2010-03-27 Jakub Jelinek <jakub@redhat.com>
4453 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
4454 instead of dwarf2out_decl.
4455 (struct var_loc_node): Remove section_label field.
4456 (dwarf2out_function_decl): New function.
4457 (dwarf2out_var_location): Don't set section_label field.
4458 (dwarf2out_begin_function): Don't empty decl_loc_table here.
4460 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
4462 PR tree-optimization/43544
4463 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4464 First argument for builtin vectorized function hook is now a
4465 tree to be able to distinguish between machine specific and
4467 * targhooks.c (default_builtin_vectorized_function): Ditto.
4468 * targhooks.h (default_builtin_vectorized_function): Ditto.
4469 * target.h (struct gcc_target): Ditto.
4470 * tree-vect-stmts.c (vectorizable_function): Ditto.
4471 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
4472 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
4475 2010-03-26 Joseph Myers <joseph@codesourcery.com>
4478 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
4479 nested binding iff it is a FUNCTION_DECL.
4480 (store_parm_decls_newstyle): Pass nested=true to bind for
4481 FUNCTION_DECLs amongst parameters.
4483 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4485 * var-tracking.c (vt_expand_loc_callback): Don't run
4486 cselib_expand_value_rtx_cb in dummy mode if
4487 cselib_dummy_expand_value_rtx_cb returned false.
4489 * var-tracking.c (emit_note_insn_var_location): For one part
4490 notes with offset 0, don't add EXPR_LIST around the location.
4491 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
4492 add_location_or_const_value_attribute): Adjust for that change.
4495 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
4496 into first operand and location into second.
4497 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
4498 dw_cfi_oprnd_loc for DW_CFA_expression.
4499 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
4500 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
4501 assume first argument is regnum and second argument is location.
4503 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4506 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
4507 of scratch register to DImode. Split to DImode comparison operator.
4508 Use SImode subreg of scratch register in the multiplication.
4509 (*cmp_sadd_sidi): Ditto.
4510 (*cmp_ssub_si): Ditto.
4511 (*cmp_ssub_sidi): Ditto.
4513 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4516 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
4517 Remove invalid assert and wrong comment.
4519 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4522 * flags.h (final_insns_dump_p): New extern.
4523 * final.c (final_insns_dump_p): New variable.
4524 (rest_of_clean_state): Set it before -fdump-final-insns=
4525 dumping, clear afterwards.
4526 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
4527 MEM_ALIAS_SET on MEMs.
4529 2010-03-26 David S. Miller <davem@davemloft.net>
4531 * configure.ac: Fix sparc GOTDATA_OP bug check.
4532 * configure: Rebuild.
4534 2010-03-26 Alan Modra <amodra@gmail.com>
4536 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
4538 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4540 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
4541 TLS_SECTION_ASM_FLAG.
4543 2010-03-25 Jakub Jelinek <jakub@redhat.com>
4546 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
4547 Clear first_function_block_is_cold.
4550 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
4551 argument if the argument is truth_value_p.
4553 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
4555 * config/rs6000/constraints.md: Update copyright year for my changes.
4558 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
4559 used in reg+reg addressing, swap registers.
4561 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4564 * target.h (struct gcc_target): Add code_end hook.
4565 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
4567 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
4568 * toplev.c (compile_file): Call targetm.asm_out.code_end
4569 hook before unwind info/debug info output.
4570 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
4571 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
4572 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4573 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
4574 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4575 * config/i386/i386.c (ix86_file_end): Renamed to...
4576 (ix86_code_end): ... this. Make static. Don't call
4577 file_end_indicate_exec_stack. Emit unwind info using
4578 final_start_function/final_end_function.
4579 (darwin_x86_file_end): Remove.
4580 (TARGET_ASM_CODE_END): Define.
4581 * config/i386/i386.h (TARGET_ASM_FILE_END,
4582 NEED_INDICATE_EXEC_STACK): Don't define.
4583 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
4584 (TARGET_ASM_FILE_END): Define to darwin_file_end.
4585 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
4586 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
4589 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
4590 at the beginning and final_end_function at the end.
4591 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
4593 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4595 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
4596 and Sun as TLS syntax.
4597 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
4598 * configure: Regenerate.
4599 * config.in: Regenerate.
4600 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
4601 (default_elf_asm_named_section): Use it.
4602 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
4603 (i386_output_dwarf_dtprel): Likewise.
4604 (output_addr_const_extra): Likewise.
4605 (output_pic_addr_const): Lowercase @GOTTPOFF.
4606 (output_addr_const_extra): Likewise.
4607 (output_pic_addr_const): Lowercase @GOTNTPOFF.
4608 (output_addr_const_extra): Likewise.
4609 (output_pic_addr_const): Lowercase @INDNTPOFF.
4610 (output_addr_const_extra): Likewise.
4611 (output_pic_addr_const): Lowercase @NTPOFF.
4612 (output_addr_const_extra): Likewise.
4613 (output_pic_addr_const): Lowercase @TPOFF.
4614 (output_addr_const_extra): Likewise.
4615 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
4616 (*tls_global_dynamic_64): Likewise.
4617 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
4618 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
4620 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
4621 (ASM_OUTPUT_TLS_COMMON): Use it.
4622 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
4625 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
4626 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
4627 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
4628 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
4629 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4630 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
4632 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4634 * config/i386/i386.c (override_options): Don't accept
4635 -mtls-dialect=sun any longer.
4636 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
4637 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
4638 (*tls_local_dynamic_base_32_sun): Likewise.
4639 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4641 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4644 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
4645 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
4648 * ira.c (adjust_cleared_regs): New function.
4649 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
4653 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
4655 * expr.c (expand_expr_real): Restore previous
4656 curr_insn_source_location and curr_insn_block after
4657 expand_expr_real_1 call.
4658 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
4659 instead of expand_expr_real_1.
4661 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
4663 PR rtl-optimization/43413
4664 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
4667 2010-03-22 James E. Wilson <wilson@codesourcery.com>
4670 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
4671 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
4673 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
4675 * config/i386/i386.c (ix86_target_string): Add -mfma.
4676 Fix a typo in comment.
4678 2010-03-22 Mike Stump <mikestump@comcast.net>
4681 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4682 Don't overly align based upon packed packed fields.
4684 2010-03-22 Jason Merrill <jason@redhat.com>
4686 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
4687 Use () rather than [], and move before the element type.
4689 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4691 * doc/configfiles.texi (Configuration Files): Removed
4692 fixinc/Makefile*, intl/Makefile.*.
4693 * doc/makefile.texi: Fixed markup. Abstract from version
4694 control system used.
4695 (Makefile): Removed obsolete gcc/java/parse.y example.
4696 * doc/sourcebuild.texi: Likewise.
4697 (Top Level): Added config, gnattools, libdecnumber, libgcc,
4698 libgomp, libssp. Removed fastjar.
4699 (Miscellaneous Docs): Clarify location.
4700 Added COPYING3, COPYING3.LIB.
4701 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
4703 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4706 * config/i386/i386.c (x86_function_profiler)
4707 [!NO_PROFILE_COUNTERS]: Fix typo.
4708 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
4711 2010-03-22 Janis Johnson <janis187@us.ibm.com>
4712 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4714 * doc/sourcebuild.texi (Test Directives): Split into six
4715 subsections, with most of the current text in new subsections
4716 Directives, Selectors, and Final Actions.
4717 (Directives): Split list of test directives into multiple
4719 (Selectors): Describe use and syntax of selectors.
4720 (Effective-Target Keywords): Describe all existing keywords.
4721 (Add Options): Describe features for dg-add-options.
4722 (Require Support): Describe variants of dg-require-support.
4723 (Final Actions): Describe commands to use in dg-final.
4725 2010-03-22 Michael Matz <matz@suse.de>
4728 * recog.c (validate_replace_rtx_group): Replace also in
4729 REG_EQUAL and REG_EQUIV notes.
4731 2010-03-22 Richard Guenther <rguenther@suse.de>
4733 PR tree-optimization/43390
4734 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
4735 sure vector extracts are type correct.
4737 2010-03-22 Richard Guenther <rguenther@suse.de>
4740 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
4741 x * sqrt (x) even when optimizing for size if the target
4742 has native support for sqrt.
4744 2010-03-22 Jakub Jelinek <jakub@redhat.com>
4746 * varasm.c (make_decl_rtl_for_debug): Also clear
4747 flag_mudflap for the duration of make_decl_rtl call.
4750 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
4751 locs from preserved VALUEs.
4753 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4756 * pa.md (movmemsi): Set align to one if zero.
4757 (movmemdi): Likewise.
4759 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
4762 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
4763 with their corresponding prologue pushes.
4765 2010-03-20 Andrew Pinski <pinskia@gmail.com>
4768 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
4769 at the begining or end.
4770 (spu_expand_epilogue): Likewise.
4772 2010-03-20 Richard Guenther <rguenther@suse.de>
4774 PR rtl-optimization/43438
4775 * combine.c (make_extraction): Properly zero-/sign-extend an
4776 extraction of the low part of a CONST_INT. Also handle
4779 2010-03-19 Mike Stump <mikestump@comcast.net>
4781 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
4782 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
4783 (override_options): Use SUBTARGET32_DEFAULT_CPU.
4785 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4788 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
4791 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
4793 PR rtl-optimization/42258
4794 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
4795 use that may match DEF.
4798 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
4799 the cost of loading the constant rather than assuming
4801 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
4802 outer code is AND, do the same tests as the andsi3 expander and
4803 return COSTS_N_INSNS (1) if and is cheap.
4805 * optabs.c (avoid_expensive_constant): Fix formatting.
4807 2010-03-19 Michael Matz <matz@suse.de>
4810 * attribs.c (decl_attributes): When rebuilding a function pointer
4811 type use the same qualifiers as the original pointer type.
4813 2010-03-19 Martin Jambor <mjambor@suse.cz>
4815 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
4816 and is_gimple_ip_invariant_address.
4818 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4821 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4823 * config/arm/arm.c (arm_override_options): Turn off
4824 flag_dwarf2_cfi_asm for AAPCS variants.
4826 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4829 * config/arm/arm.c (emit_multi_reg_push): Update comments.
4830 Use PRE_MODIFY instead of PRE_DEC.
4831 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
4832 (vfp_emit_fstmd): Likewise.
4834 2010-03-19 Michael Matz <matz@suse.de>
4837 * builtins.c (expand_builtin_interclass_mathfn,
4838 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
4841 2010-03-19 Richard Guenther <rguenther@suse.de>
4843 PR tree-optimization/43415
4844 * tree-ssa-pre.c (phi_translate): Split out worker to ...
4845 (phi_translate_1): ... this.
4846 (phi_translate): Move all caching here. Cache all NARY
4847 and REFERENCE translations.
4849 2010-03-19 David S. Miller <davem@davemloft.net>
4851 With help from Eric Botcazou.
4852 * config/sparc/sparc.c: Include dwarf2out.h.
4853 (emit_pic_helper): Delete.
4854 (pic_helper_symbol_name): Delete.
4855 (pic_helper_emitted_p): Delete.
4856 (pic_helper_needed): New.
4857 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
4858 (get_pc_thunk_name): New.
4859 (load_pic_register): Remove 'delay_pic_helper' arg. Use
4860 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
4861 Set pic_helper_needed to true. Don't call emit_pic_helper.
4862 (sparc_expand_prologue): Update load_pic_register call.
4863 (sparc_output_mi_thunk): Likewise.
4864 (sparc_file_end): Emit a hidden comdat symbol for the PIC
4865 thunk if possible. Output CFI information as needed.
4867 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
4868 Jack Howarth <howarth@bromo.med.uc.edu>
4871 * config/i386/i386.h: Fix ABI on darwin x86-32.
4873 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
4875 * tree.h: Declare make_decl_rtl_for_debug.
4876 * varasm.c (make_decl_rtl_for_debug): New.
4877 * dwarf2out.c (rtl_for_decl_location): Call it.
4878 * cfgexpand.c (expand_debug_expr): Call it.
4880 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4883 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
4887 * var-tracking.c (vt_init_cfa_base): Do nothing if
4888 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
4890 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
4893 * var-tracking.c (canonicalize_vars_star): New.
4894 (dataflow_post_merge_adjust): Use it.
4896 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4899 * var-tracking.c (non_suitable_const): New function.
4900 (add_uses): For DEBUG_INSNs with constants, don't record any
4901 value, instead just the constant value itself.
4902 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
4903 is not VAR_LOC_UNKNOWN_P, set var to the constant.
4904 (emit_notes_in_bb): Likewise.
4905 (emit_note_insn_var_location): For onepart variables if
4906 cur_loc is a VOIDmode constant, use DECL_MODE.
4908 2010-03-18 Martin Jambor <mjambor@suse.cz>
4911 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
4912 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
4913 all non-clones. Moved call redirection...
4914 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
4915 (cgraph_materialize_all_clones): Dispose of all
4916 combined_args_to_skip bitmaps.
4917 (verify_cgraph_node): Do not check for edges pointing to wrong
4918 nodes in inline clones.
4919 * tree-inline.c (copy_bb): Call
4920 cgraph_redirect_edge_call_stmt_to_callee.
4921 * ipa.c (cgraph_remove_unreachable_nodes): Call
4922 cgraph_node_remove_callees even when there are used clones.
4924 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4926 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
4928 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4931 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
4934 2010-03-18 Michael Matz <matz@suse.de>
4937 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
4938 into sqrt(x) if we need to preserve signed zeros.
4940 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
4941 Eric Botcazou <ebotcazou@adacore.com>
4943 PR rtl-optimization/43360
4944 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
4945 note if we don't know its invariant status.
4947 2010-03-18 Michael Matz <matz@suse.de>
4949 PR tree-optimization/43402
4950 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
4951 PHI chains of ssa names registered for update.
4953 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
4956 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
4957 non-offsettable and pre_modify update addressing.
4958 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
4959 and "2" alternatives "#".
4960 (*movdd_softfloat32): Make all alternatives "#";
4961 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
4962 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
4963 (*movdf_softfloat32): Make all alternatives "#";
4964 (movdi): Use the new DIFD mode iterator to create a common splitter
4965 for movdi, movdf and movdd patterns.
4967 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
4969 * common.opt (dumpdir): Remove redundant tab.
4971 2010-03-17 Martin Jambor <mjambor@suse.cz>
4973 PR tree-optimization/43347
4974 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
4975 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
4977 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
4979 PR rtl-optimization/42216
4980 * regrename.c (create_new_chain): New function, broken out from...
4981 (scan_rtx_reg): ... here. Call it. Handle the case where we are
4982 appending a use to an empty chain.
4983 (build_def_use): Remove previous changes that convert OP_INOUT to
4984 OP_OUT operands; instead detect the case where an OP_INOUT operand
4985 uses a previously untracked register and create an empty chain for it.
4987 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4989 * doc/extend.texi (Function Attributes): Rewrite unfinished
4990 sentence in ms_abi documentation.
4992 2010-03-17 Alan Modra <amodra@gmail.com>
4994 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
4995 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
4996 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
4997 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
4999 2010-03-16 Richard Henderson <rth@redhat.com>
5002 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
5003 (lower_try_finally): Save and restore eh_seq around the expansion
5006 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
5008 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
5009 statements before splitting block.
5011 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5013 * doc/sourcebuild.texi (Testsuites): Fix markup.
5014 Use pathnames relative to gcc/testsuite.
5015 (Test Directives): Move description of how timeout is determined.
5016 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
5017 (C Tests): Correct gcc.misc-tests directory.
5018 Framework tests now live in gcc.test-framework.
5020 2010-03-16 Richard Guenther <rguenther@suse.de>
5023 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
5024 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
5026 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
5027 Alexandre Oliva <aoliva@redhat.com>
5029 PR tree-optimization/42917
5030 * lambda-code.c (remove_iv): Skip debug statements.
5031 (lambda_loopnest_to_gcc_loopnest): Likewise.
5032 (not_interesting_stmt): Debug statements are not interesting.
5034 2010-03-16 Jakub Jelinek <jakub@redhat.com>
5038 * cselib.c (cselib_preserve_constants,
5039 cfa_base_preserved_val): New static variables.
5040 (preserve_only_constants): New function.
5041 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
5042 clear its REG_VALUES. If cselib_preserve_constants, don't
5043 empty the whole hash table, but preserve there VALUEs with constants,
5044 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
5045 (cselib_preserve_cfa_base_value): New function.
5046 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
5047 (cselib_init): Change argument to int bitfield. Set
5048 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
5050 (cselib_finish): Clear cselib_preserve_constants and
5051 cfa_base_preserved_val.
5052 * cselib.h (enum cselib_record_what): New enum.
5053 (cselib_init): Change argument to int.
5054 (cselib_preserve_cfa_base_value): New prototype.
5055 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
5056 * dse.c (dse_step1): Likewise.
5057 * cfgcleanup.c (thread_jump): Likewise.
5058 * sched-deps.c (sched_analyze): Likewise.
5059 * gcse.c (local_cprop_pass): Likewise.
5060 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
5061 If FN is non-NULL, call the callback always and whenever it returns
5062 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
5063 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
5064 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
5065 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
5066 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
5067 * var-tracking.c: Include recog.h.
5068 (bb_stack_adjust_offset): Remove.
5069 (vt_stack_adjustments): Don't call it, instead just gather the
5070 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
5071 (adjust_stack_reference): Remove.
5072 (compute_cfa_pointer): New function.
5073 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
5074 (struct adjust_mem_data): New type.
5075 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
5077 (get_address_mode): New function.
5078 (replace_expr_with_values): Use it.
5079 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
5080 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
5081 (adjust_sets): Remove.
5082 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
5083 Use get_address_mode.
5084 (get_adjusted_src): Remove.
5085 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
5086 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
5087 (add_with_sets): Don't call adjust_sets.
5088 (fp_setter, vt_init_cfa_base): New functions.
5089 (vt_initialize): Change return type to bool. Move most of pool etc.
5090 initialization to the beginning of the function from end. Pass
5091 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
5092 If !frame_pointer_needed, call vt_stack_adjustment before mos
5093 vector is filled, call vt_init_cfa_base if argp/framep has been
5094 eliminated to sp. If frame_pointer_needed and argp/framep has
5095 been eliminated to hard frame pointer, set
5096 hard_frame_pointer_adjustment and call vt_init_cfa_base after
5097 encountering fp setter in the prologue. For MO_ADJUST, call
5098 log_op_type before pusing the op into mos vector, not afterwards.
5099 Call adjust_insn before cselib_process_insn/add_with_sets,
5100 call cancel_changes (0) afterwards.
5101 (variable_tracking_main_1): Adjust for vt_initialize calling
5102 vt_stack_adjustments and returning whether it succeeded or not.
5104 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
5106 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
5109 2010-03-15 Jakub Jelinek <jakub@redhat.com>
5111 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
5113 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
5114 drap_reg has not been set.
5116 2010-03-15 Michael Matz <matz@suse.de>
5119 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
5120 use it to expand block copies.
5121 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
5122 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
5123 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
5125 2010-03-15 Richard Guenther <rguenther@suse.de>
5127 PR tree-optimization/43367
5128 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
5131 2010-03-15 Richard Guenther <rguenther@suse.de>
5133 PR tree-optimization/43317
5134 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
5136 2010-03-15 Martin Jambor <mjambor@suse.cz>
5138 PR tree-optimization/43141
5139 * tree-sra.c (create_abstract_origin): New function.
5140 (modify_function): Call create_abstract_origin.
5142 2010-03-15 Chris Demetriou <cgd@google.com>
5144 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
5147 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5150 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
5151 call insert_out_of_ssa_copy for default definitions.
5153 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5155 * graphite-clast-to-gimple.c (my_long_long): Defined.
5156 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
5157 * graphite-sese-to-poly.c (my_long_long): Defined.
5158 (scop_ivs_can_be_represented): Use it.
5160 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5162 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
5163 graphite-max-bbs-per-function, and loop-block-tile-size.
5164 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
5166 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
5168 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5170 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
5171 forward declaration.
5172 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
5173 (add_upper_bounds_from_estimated_nit): New.
5174 (build_loop_iteration_domains): Use it.
5176 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5178 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
5180 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5183 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
5184 should be an INTEGER_CST. Also handle CASE_CONVERT.
5186 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5188 * graphite.c (graphite_initialize): To bound the number of bbs per
5189 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
5190 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
5191 * doc/invoke.texi: Document it.
5193 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5195 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
5196 * graphite-sese-to-poly.h (build_poly_scop): Same.
5198 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5200 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
5201 the number of parameters in the scop. Use as an upper bound
5202 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
5203 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
5204 * doc/invoke.texi: Document it.
5206 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
5208 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
5209 * doc/c-tree.texi: Remove.
5210 * doc/generic.texi: Merge c-tree.texi here.
5211 * doc/gccint.texi (Trees): Remove menu entry.
5212 (c-tree.texi): Remove @include.
5213 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
5214 * doc/languages.texi (Reading RTL): Ditto.
5216 2010-03-12 Steve Ellcey <sje@cup.hp.com>
5219 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
5221 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
5224 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
5225 code added to work around reload clobbering CONST insns.
5227 2010-03-12 Jakub Jelinek <jakub@redhat.com>
5229 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
5230 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
5231 (cselib_preserve_only_values): Remove retain argument, don't
5232 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
5233 * cselib.h (cselib_preserve_only_values): Remove retain argument.
5234 * var-tracking.c (micro_operation): Move insn field before union.
5235 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
5236 (struct variable_tracking_info_def): Remove n_mos field, change
5237 mos into a vector of micro_operations.
5238 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
5239 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
5240 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
5241 changing into a vector.
5242 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
5243 come before all other uops generated by add_stores.
5244 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
5246 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
5247 a vector. Run just one pass over the bbs instead of separate counting
5248 and computation phase.
5249 (vt_finalize): Free VTI (bb)->mos vector instead of array.
5252 * tree-inline.c (remap_decls): Put old_var rather than origin_var
5253 into *nonlocalized_list vector.
5254 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
5255 even if origin is non-NULL.
5256 (gen_variable_die): Likewise.
5257 (process_scope_var): Don't change origin.
5258 (gen_decl_die): Likewise.
5259 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
5260 before adding new edges instead of after it, fix moving over
5263 2010-03-11 David S. Miller <davem@davemloft.net>
5265 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
5267 * configure: Rebuild.
5269 2010-03-11 Martin Jambor <mjambor@suse.cz>
5271 PR tree-optimization/43257
5272 * tree.c (assign_assembler_name_if_neeeded): New function.
5273 (free_lang_data_in_cgraph): Assembler name assignment moved to the
5275 * tree.h (assign_assembler_name_if_neeeded): Declare.
5276 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
5277 the function if needed.
5279 2010-03-11 Chris Demetriou <cgd@google.com>
5281 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
5282 include/stdint-gcc.h, and include/stdint.h world-readable.
5284 2010-03-11 Richard Guenther <rguenther@suse.de>
5286 PR tree-optimization/43255
5287 * tree-vrp.c (process_assert_insertions_for): Do not insert
5288 asserts for trivial conditions.
5290 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5292 PR tree-optimization/43280
5293 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
5294 generation. Move calculation of size out of the if branch.
5295 (find_bswap): Modify compare number generation.
5297 2010-03-11 Richard Guenther <rguenther@suse.de>
5300 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
5301 (input_gimple_stmt): Fixup handled component types during
5302 operand read. Also fix up decls in ADDR_EXPRs.
5304 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
5306 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
5307 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
5309 2010-03-10 Jan Hubicka <jh@suse.cz>
5312 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
5313 * varasm.c (get_variable_section): Don't do that here...
5314 (make_decl_rtl): ... and here.
5315 (do_assemble_alias): Produce decl RTL.
5316 (assemble_alias): Likewise.
5318 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5321 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
5322 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
5324 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
5325 (based_loc_descr): Only express drap or vdrap regno based expressions
5326 using DW_OP_fbreg when not optimizing.
5327 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
5328 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
5329 REG_CFA_SET_VDRAP note.
5331 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
5333 PR tree-optimization/43236
5334 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
5335 error in calculation of base address in reverse iteration case.
5336 (generate_builtin): Take number of latch executions if the statement
5339 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
5342 * tree-eh.c: Include pointer-set.h.
5343 (lower_eh_dispatch): Filter out duplicate case labels and
5344 remove the unneeded edge when the label is unused. Return
5345 true when some edges are removed.
5346 (execute_lower_eh_dispatch): When any lowering resulted in
5347 removing an edge, also delete unreachable blocks.
5349 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5352 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
5353 UNSPEC_MACHOPIC_OFFSET.
5355 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
5358 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
5359 (m68k_delegitimize_address): New function.
5361 2010-03-09 Jakub Jelinek <jakub@redhat.com>
5364 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
5367 * var-tracking.c (adjust_sets): New function.
5368 (count_with_sets, add_with_sets): Use it.
5369 (get_adjusted_src): New inline function.
5370 (add_stores): Use it.
5373 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
5374 call cselib_dummy_expand_value_rtx_cb instead of
5375 cselib_expand_value_rtx_cb.
5378 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
5379 * config/i386/i386.c: Include debug.h and dwarf2out.h.
5380 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
5381 and .cfi_endproc around the pic thunks.
5382 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
5383 all queued unwind info register saves are saved before the call.
5384 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
5385 considered as sp-=4 for unwind info and the pop as sp+=4 which
5386 also clobbers dest, but doesn't actually restore it.
5389 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
5390 RTX_FRAME_RELATED_P.
5392 2010-03-09 Jie Zhang <jie@codesourcery.com>
5394 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
5395 whitespaces in output template.
5397 2010-03-09 Jie Zhang <jie@codesourcery.com>
5399 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
5402 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5404 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
5405 builtins.exp in a separate job.
5407 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5409 * graphite-sese-to-poly.c (add_param_constraints): Use
5410 lower_bound_in_type and upper_bound_in_type.
5412 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5414 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
5415 instead of unsigned_type_node.
5417 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5418 Reza Yazdani <reza.yazdani@amd.com>
5421 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
5422 on pointer type parameters.
5424 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5428 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
5429 handle conversions from pointer to integers.
5430 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
5431 induction variable, to be able to work with code generated by CLooG.
5432 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
5433 (build_poly_scop): Bail out if we cannot codegen a loop.
5435 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5437 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
5438 code generation with gloog_error.
5440 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5442 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
5443 Call fold_convert on all the returned values.
5444 (expand_scalar_variables_expr): Pass to
5445 expand_scalar_variables_ssa_name the type of the resulting expression.
5447 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5449 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
5450 ppl_min_for_le_pointset.
5451 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
5452 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
5454 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5456 * graphite-dependences.c (map_into_dep_poly): Removed.
5457 (dependence_polyhedron_1): Use combine_context_id_scat.
5459 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5461 * graphite-poly.h (struct poly_scattering): Add layout documentation.
5462 (struct poly_bb): Same.
5463 (combine_context_id_scat): New.
5465 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5468 * sese.c (name_defined_in_loop_p): Return false for default
5471 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5473 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
5474 and clean up the logic.
5476 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5478 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
5481 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5483 * var-tracking.c (remove_cselib_value_chains): Define only for
5485 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
5486 delete_slot_part, emit_notes_for_differences_1): Don't call
5487 remove_cselib_value_chains here.
5488 (set_slot_part, emit_notes_for_differences_2): Don't call
5489 add_cselib_value_chains here.
5490 (preserved_values): New vector.
5491 (preserve_value): New function.
5492 (add_uses, add_stores, vt_add_function_parameters): Use it
5493 instead of cselib_preserve_value.
5494 (changed_values_stack): New vector.
5495 (check_changed_vars_0): New function.
5496 (check_changed_vars_1, check_changed_vars_2): Use it.
5497 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
5498 changed_values_stack VALUEs.
5499 (vt_emit_notes): For all preserved_values call
5500 add_cselib_value_chains. If ENABLE_CHECKING call
5501 remove_cselib_value_chains before verifying value_chains is empty.
5502 Initialize and free changed_values_stack.
5503 (vt_initialize): Initialize preserved_values.
5504 (vt_finalize): Free preserved_values.
5506 2010-03-08 Richard Guenther <rguenther@suse.de>
5508 PR tree-optimization/43269
5509 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
5512 2010-03-08 Martin Jambor <mjambor@suse.cz>
5514 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
5515 (ipa_is_param_called): Removed.
5516 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
5517 (ipa_print_node_params): Do not print the called flag.
5518 (ipa_write_node_info): Do not stream the called flag.
5519 (ipa_read_node_info): Likewise.
5521 2010-03-07 Jakub Jelinek <jakub@redhat.com>
5524 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
5525 * cselib.c (struct expand_value_data): Add dummy field.
5526 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
5528 (cselib_dummy_expand_value_rtx_cb): New function.
5529 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
5531 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
5532 * var-tracking.c: Include pointer-set.h.
5533 (variable): Change n_var_parts to char from int. Add
5534 cur_loc_changed and in_changed_variables fields.
5535 (variable_canonicalize): Remove.
5536 (shared_var_p): New inline function.
5537 (unshare_variable): Maintain cur_loc_changed and
5538 in_changed_variables fields. If var was in changed_variables,
5539 replace it there with new_var. Just copy cur_loc instead of
5540 resetting it to something else.
5541 (variable_union): Don't recompute cur_loc. Use shared_var_p.
5542 (dataflow_set_union): Don't call variable_canonicalize.
5543 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
5544 of their DEBUG_EXPR_TREE_DECLs.
5545 (canonicalize_loc_order_check): Verify that cur_loc is NULL
5546 and in_changed_variables and cur_loc_changed is false.
5547 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
5548 and cur_loc_changed. Don't update cur_loc here.
5549 (variable_merge_over_src): Don't call variable_canonicalize.
5550 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
5551 removing loc that is equal to cur_loc, clear cur_loc,
5552 set cur_loc_changed and ensure variable_was_changed is called.
5553 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
5554 compare pointers in cur_loc check, if it is equal to loc,
5555 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
5556 (variable_different_p): Remove compare_current_location argument,
5557 don't compare cur_loc.
5558 (dataflow_set_different_1): Adjust variable_different_p caller.
5559 (variable_was_changed): If dv had some var in changed_variables
5560 already, reset in_changed_variables flag for it and propagate
5561 cur_loc_changed over to the new variable. On empty var
5562 always set cur_loc_changed. Set in_changed_variables on whatever
5563 var is added to changed_variables.
5564 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
5565 Use shared_var_p. When removing loc that is equal to cur_loc,
5566 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
5567 end, don't set it to something else, just call variable_was_changed.
5568 (delete_slot_part): Use shared_var_p. When cur_loc equals to
5569 loc being removed, clear cur_loc and set cur_loc_changed.
5570 Set cur_loc_changed if all locations have been removed.
5571 (struct expand_loc_callback_data): New type.
5572 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
5573 allocated. Always create SUBREGs if simplify_subreg failed.
5574 Prefer to use cur_loc, when that fails and still in
5575 changed_variables (and seen first time) recompute it. Set
5576 cur_loc_changed of variables which had to change cur_loc and
5577 compute elcd->cur_loc_changed if any of the subexpressions used
5578 had to change cur_loc.
5579 (vt_expand_loc): Adjust to pass arguments in
5580 expand_loc_callback_data structure.
5581 (vt_expand_loc_dummy): New function.
5582 (emitted_notes): New variable.
5583 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
5584 that weren't used for any other decl in current
5585 emit_notes_for_changes call call vt_expand_loc_dummy to update
5586 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
5587 first loc_chain location if NULL before. Always use just
5588 cur_loc instead of first loc_chain location. When cur_loc_changed
5589 is false, when not --enable-checking=rtl just don't emit any note.
5590 When rtl checking, compute the note and assert it is the same
5591 as previous note. Clear cur_loc_changed and in_changed_variables
5592 at the end before removing from changed_variables.
5593 (check_changed_vars_3): New function.
5594 (emit_notes_for_changes): Traverse changed_vars to call
5595 check_changed_vars_3 on each changed var.
5596 (emit_notes_for_differences_1): Clear cur_loc_changed and
5597 in_changed_variables. Recompute cur_loc of new_var.
5598 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
5599 (vt_emit_notes): Initialize and destroy emitted_notes.
5601 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
5603 PR rtl-optimization/42220
5604 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
5605 Use verify_reg_tracked to determine if we should use OP_OUT rather
5607 (build_def_use): If we see an in-out operand for a register that we
5608 know nothing about, treat is an output if possible, fail the block if
5611 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5614 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
5617 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5620 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
5621 uses of relevant DEFs that are dead outside the loop too.
5623 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5625 * var-tracking.c (dataflow_set_merge): Swap src and src2.
5627 2010-01-13 Jakub Jelinek <jakub@redhat.com>
5629 * var-tracking.c (values_to_unmark): New variable.
5630 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
5631 values_to_unmark vector. Moved body to...
5632 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
5633 instead queue it into values_to_unmark vector.
5634 (vt_find_locations): Free values_to_unmark vector.
5636 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
5638 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
5639 (site.exp): Export them when plugins are enabled.
5641 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
5644 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
5646 (chrec_fold_multiply): Same.
5648 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
5651 * c-decl.c (build_compound_literal): Return early if init is
5654 2010-03-04 Martin Jambor <mjambor@suse.cz>
5656 PR tree-optimization/43164
5657 PR tree-optimization/43191
5658 * tree-sra.c (type_consists_of_records_p): Reject records with
5659 zero-size bit-fields at the end.
5661 2010-03-04 Mike Stump <mikestump@comcast.net>
5663 * Makefile.in (TAGS): Remove *.y.
5665 2010-03-04 Richard Guenther <rguenther@suse.de>
5667 PR tree-optimization/40761
5668 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
5670 (my_rev_post_order_compute): New function.
5671 (init_pre): Call it.
5673 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
5676 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
5677 decrease the cost of an IV candidate when the cost is infinite.
5679 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5681 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
5682 Use '3DNow!' for the extension of that name, ensure normal space
5684 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
5686 2010-03-03 Jeff Law <law@redhat.com>
5688 * PR middle-end/32693
5689 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
5690 than gen_rtx_SUBREG.
5691 (extract_bit_field_1): Likewise.
5693 2010-03-03 Janis Johnson <janis187@us.ibm.com>
5695 * doc/sourcebuild.texi (Test directives): Document that arguments
5696 include-opts and exclude-opts are now optional for dg-skip-if,
5697 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
5699 2010-03-03 Jason Merrill <jason@redhat.com>
5702 * cgraph.h (varpool_node): Add extra_name field.
5703 * varpool.c (varpool_extra_name_alias): New.
5704 (varpool_assemble_decl): Emit extra name aliases.
5705 (varpool_mark_needed_node): Look past an extra name alias.
5706 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
5707 * lto-streamer-in.c (lto_input_tree): Read it.
5708 * lto-streamer-out.c (output_unreferenced_globals): Write it.
5710 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
5712 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
5713 (sparc*-*-solaris2*): ...this.
5715 2010-03-03 Jakub Jelinek <jakub@redhat.com>
5718 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
5719 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
5720 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
5721 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
5724 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
5725 fallthrough to default handling, just with want_address 0 instead of 2.
5726 For single element lists, add_AT_loc directly, otherwise create an
5727 artificial variable DIE and stick location list to it.
5730 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
5731 (VAL_EXPR_HAS_REVERSE): Define.
5732 (reverse_op): New function.
5733 (add_stores): For reversible operations add an extra MO_VAL_USE.
5735 2010-03-02 Jason Merrill <jason@redhat.com>
5737 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
5739 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
5741 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
5742 (sparc64-*-linux*): Likewise.
5743 (sparc64-*-solaris2*): Include assembler files before linker ones.
5744 (sparc-*-solaris2*): Simplify and reorder to match previous case.
5745 * config/sparc/gas.h: Delete.
5746 * config/sparc/sol2-64.h: Add copyright notice.
5747 * config/sparc/sol2-gas-bi.h: Likewise.
5748 * config/sparc/sol2-gld.h: Likewise.
5749 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
5750 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
5751 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
5752 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
5753 (sparc_elf_asm_named_section): Rename into...
5754 (sparc_solaris_elf_asm_named_section): ...this. Always define.
5756 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
5758 * config/alpha/alpha.c (override_options): Fix -mtune error message.
5760 2010-03-02 Jeff Law <law@redhat.com>
5763 * reload1.c (rtx_p, substitute_stack): Declare.
5764 (substitute): Record addresses of changed rtxs.
5765 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
5766 Restore the original rtx when complete.
5767 (reload): Free subsitute_stack when complete.
5769 2010-03-02 Janis Johnson <janis187@us.ibm.com>
5771 * doc/gccint.texi (menu): Add Testsuites as a chapter.
5772 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
5774 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
5775 LTO Testing, gcov Testing, profopt Testing, compat Testing,
5776 Torture Tests): Change from subsection to section.
5778 2010-03-02 Jakub Jelinek <jakub@redhat.com>
5779 Steven Bosscher <steven@gcc.gnu.org>
5781 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
5784 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
5787 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
5788 the assignment from the new induction variable to the assignment
5789 of the value from the original loop PHI function.
5791 2010-03-01 Janis Johnson <janis187@us.ibm.com>
5792 Daniel Jacobowitz <dan@codesourcery.com>
5794 * doc/sourcebuild.texi (Test directives): Clarify options to
5797 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5799 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
5800 Disable cfi directives unless GCC and gas agree on using read-only
5801 .eh_frame sections for 64-bit.
5802 * configure: Regenerate.
5804 2010-03-01 Richard Guenther <rguenther@suse.de>
5806 PR tree-optimization/43220
5807 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
5808 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
5810 2010-03-01 Richard Guenther <rguenther@suse.de>
5811 Martin Jambor <mjambor@suse.cz>
5814 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
5815 gimplified parameters.
5817 2010-03-01 Christian Bruel <christian.bruel@st.com>
5819 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
5821 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
5823 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
5825 2010-03-01 Richard Guenther <rguenther@suse.de>
5828 * expr.c (expand_assignment): Use the alias-oracle to tell
5829 if the rhs aliases the result decl.
5831 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5834 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
5835 to sol_gt_pch_get_address.
5836 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
5837 64-bit, SPARC and x86.
5838 (sol_gt_pch_get_address): New function.
5840 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
5842 * toplev.h (inform_n, error_n): Declare.
5843 * diagnostic.c (inform_n, error_n): New function.
5845 2010-03-01 Jakub Jelinek <jakub@redhat.com>
5847 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
5848 has no rtl yet when processing local_decls, queue it and recheck
5849 if deferred stack allocation hasn't assigned it rtl.
5851 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
5853 * config/sh/sh.c (unspec_bbr_uid): New.
5854 (gen_block_redirect): Use it instead of INSN_UID.
5855 (gen_far_branch): Likewise.
5857 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
5859 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
5860 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
5862 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5864 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
5865 (Warning Options): -Wno-conversion-null is valid for
5866 Objective-C++ as well.
5867 * doc/tm.texi (Named Address Spaces): Likewise.
5868 * doc/plugins.texi (Plugins): Replace TABs with spaces.
5869 * doc/tree-ssa.texi (Tree SSA): Likewise.
5871 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5874 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
5875 by default. Don't set the default arch for
5876 i[34567]86-*-darwin*|x86_64-*-darwin*.
5878 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5881 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
5882 default. Set the default 32bit/64bit archs with $with_arch
5883 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
5885 2010-02-27 Richard Guenther <rguenther@suse.de>
5887 PR tree-optimization/43186
5888 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
5889 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
5890 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
5891 unroller iterations.
5893 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5895 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
5896 required and i[34567]86-*-* targets don't support 64bit ISA.
5898 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
5901 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5904 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5906 * config.gcc: Set the default arch at least to Prescott for
5907 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
5908 if SSE math is enabled.
5910 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5912 * diagnostic.c (diagnostic_initialize): Update.
5913 (diagnostic_report_diagnostic): Test inhibit_notes_p for
5915 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
5916 (diagnostic_inhibit_notes): New.
5917 * toplev.c (process_options): inhibit notes with -fcompare-debug.
5919 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5922 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
5923 * doc/standards.texi: Likewise.
5924 * doc/extend.texi: Likewise.
5925 * doc/trouble.texi: Likewise.
5926 * doc/cppopts.texi: Likewise.
5927 * doc/install.texi: Likewise.
5928 * c.opt (std=c90,std=gnu90): New options.
5929 * c-opts.c (c_common_handle_option): Handle them.
5931 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5934 * c-decl.c (undeclared_variable): Use an informative note.
5936 2010-02-26 Richard Guenther <rguenther@suse.de>
5938 PR tree-optimization/43186
5939 * gimple.h (gimple_fold): Remove.
5940 * gimple.c (gimple_fold): Remove. Inline into single user ...
5941 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
5942 Try harder for conditions.
5944 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5947 * function.c (used_types_insert): Don't skip through named pointer
5948 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
5949 and it is different from the main variant's type.
5951 2010-02-26 Nick Clifton <nickc@redhat.com>
5953 * config/rx/rx.md (sminsi3): Remove bogus alternative.
5955 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5957 * config.gcc: Support --with-fpmath=sse for x86.
5959 * config/i386/ssemath.h: New.
5961 * doc/install.texi (--with-fpmath=sse): Documented.
5963 2010-02-26 Richard Guenther <rguenther@suse.de>
5965 PR tree-optimization/43188
5966 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
5967 vector types of over-aligned element type.
5969 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
5972 * config/i386/i386.c (expand_vec_perm_blend): Use correct
5973 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
5975 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
5977 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
5979 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5981 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
5982 * var-tracking.c: Include diagnostic.h.
5983 (debug_dv): New function.
5984 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
5987 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
5988 (add_value_chain, add_value_chains, remove_value_chain,
5989 remove_value_chains): Handle DEBUG_EXPRs.
5990 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
5993 * regcprop.c (struct queued_debug_insn_change): New type.
5994 (struct value_data_entry): Add debug_insn_changes field.
5995 (struct value_data): Add n_debug_insn_changes field.
5996 (debug_insn_changes_pool): New variable.
5997 (free_debug_insn_changes, apply_debug_insn_changes,
5998 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
5999 (kill_value_one_regno): Call free_debug_insn_changes if needed.
6000 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
6002 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
6004 (copyprop_hardreg_forward_1): Don't call apply_change_group for
6005 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
6006 changes, call cprop_find_used_regs via note_stores.
6007 (copyprop_hardreg_forward): When copying vd from predecessor
6008 which has any queued DEBUG_INSN changes, make sure the pointers are
6009 cleared. At the end call df_analyze and then if there are any
6010 DEBUG_INSN changes queued at the end of some basic block for still
6011 live registers, apply them.
6012 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
6014 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
6016 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
6019 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
6021 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
6022 targets. Set the default with_cpu/with_arch from arch/cpu.
6023 Allow x86-64 and native for with_cpu/with_arch.
6025 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
6027 * ebitmap.c: Change calls to verify_popcount with calls to
6028 sbitmap_verify_popcount.
6029 (ebitmap_clear_bit): Fixed map->cacheindex test and
6030 map>cache update when bit clearing results in an empty
6033 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
6036 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
6037 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
6038 and support both V2DF and V2DI modes.
6039 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
6040 support both V2DF and V2DI modes.
6041 (general): Delete trailing whitespace from a few patterns.
6043 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
6044 V2DF/V2DI interleave high/low builtins.
6046 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
6049 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
6050 interleave high/low functions.
6052 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
6054 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
6055 #pragma extern_prefix.
6057 2010-02-25 Jakub Jelinek <jakub@redhat.com>
6060 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
6061 BLKmode, assert op0 is a MEM and just adjust its mode.
6064 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
6065 if bitpos isn't multiple of mode's bitsize.
6067 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
6069 * c.opt (-ftemplate-depth=): New.
6070 (-ftemplate-depth-): Deprecate.
6071 * optc-gen.awk: Handle -ftemplate-depth=.
6072 * opth-gen.awk: Likewise.
6073 * c-opts.c (c_common_handle_option): Likewise.
6074 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
6076 2010-02-24 Jason Merrill <jason@redhat.com>
6078 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
6080 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6082 * cfg.c (alloc_aux_for_block): Remove inline.
6083 (alloc_aux_for_edge): Likewise.
6085 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6087 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
6089 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6091 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
6092 * config/i386/sol2-gas.h: New file.
6093 * config.gcc (i[34567]86-*-solaris2*): Use it.
6095 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
6098 * c-typeck.c (ep_convert_and_check): New.
6099 (build_conditional_expr): Use it.
6100 (build_binary_op): Likewise.
6102 2010-02-24 Jakub Jelinek <jakub@redhat.com>
6104 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
6107 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
6108 bounds even for -O+.
6109 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
6110 expr needs to have DECL_NAME set.
6112 2010-02-24 Nick Clifton <nickc@redhat.com>
6114 * config/mep/mep.c: Include gimple.h.
6115 (mep_function_uses_sp): Delete unused function.
6116 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
6117 parameters. Use unsigned integers to count args. Return a
6118 NULL_RTX instead of an error_mark_node. Toidy up formatting.
6120 2010-02-23 Jakub Jelinek <jakub@redhat.com>
6123 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
6124 greater or equal to nelt instead of 2 * nelt.
6125 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
6128 2010-02-23 Jason Merrill <jason@redhat.com>
6131 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
6132 in cfun->local_decls even if they have register types.
6135 * stor-layout.c (place_field): Don't warn about unnecessary
6136 DECL_PACKED if the type is packed.
6138 2010-02-23 Jakub Jelinek <jakub@redhat.com>
6141 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
6142 GOTOFF relocs, even when the base reg isn't pic pointer.
6144 2010-02-23 Michael Matz <matz@suse.de>
6147 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
6148 (expand_gimple_basic_block): Generate and use debug temps if there
6149 are debug uses left after the last real use of TERed ssa names.
6150 Unlink debug immediate uses when they are expanded.
6152 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
6155 * config/i386/i386.c (override_options): Reorganise to provide
6156 better error messages.
6158 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6161 * graphite-scop-detection.c (create_single_exit_edge): Move
6162 the call to find_single_exit_edge to....
6163 (create_sese_edges): ...here. Don't handle multiple edges
6164 exiting the function.
6165 (build_graphite_scops): Don't handle multiple edges
6166 exiting the function.
6168 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6171 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
6172 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
6174 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6177 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
6179 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
6182 * c-typeck.c (convert_arguments): Print declaration location.
6183 * c-common.c (validate_nargs): Rename as
6184 builtin_function_validate_nargs.
6185 (check_builtin_function_arguments): Update.
6187 2010-02-22 Richard Guenther <rguenther@suse.de>
6190 * tree-inline.c (declare_return_variable): Use the type of
6191 the call stmt lhs if available.
6193 2010-02-22 Duncan Sands <baldrick@free.fr>
6195 * passes.c (register_pass): Always consider all pass lists when
6196 ref_pass_instance_number is zero.
6198 2010-02-22 Richard Guenther <rguenther@suse.de>
6200 PR tree-optimization/42749
6201 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
6202 parameter. Do arithmetic in the original type.
6203 (update_accumulator_with_ops): Likewise.
6204 (adjust_accumulator_values): Adjust.
6206 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6208 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
6209 (QI to BLKmode splitter): New splitter.
6211 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
6213 * config/i386/i386.c (initial_ix86_tune_features): Turn on
6214 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
6216 2010-02-22 Richard Guenther <rguenther@suse.de>
6218 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
6220 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
6222 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
6223 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
6224 ($(T)crti.o, $(T)crtn.o): Remove rules.
6226 2010-02-21 Tobias Burnus <burnus@net-b.de>
6229 * doc/invoke.texi (-fassociative-math): Document that this
6230 option is automatically enabled for Fortran.
6232 2010-02-20 David S. Miller <davem@davemloft.net>
6234 * configure.ac: Test if linker and assembler properly support
6235 GOTDATA_OP relocations.
6236 * configure: Rebuild.
6237 * config.in: Likewise.
6238 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
6239 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
6240 (movsi_high_pic): Likewise.
6241 (movdi_lo_sum_pic): Likewise.
6242 (movdi_high_pic): Likewise.
6243 (movsi_pic_gotdata_op): New pattern.
6244 (movdi_pic_gotdata_op): Likewise.
6245 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
6246 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
6248 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
6251 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
6252 attribute to ssemul.
6253 (xop_mulv2div2di3_high): Ditto.
6255 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
6258 * c.opt (Wconversion-null): New option.
6259 * doc/invoke.texi (Wconversion-null): Document.
6261 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
6263 * common.opt (Wlarger-than-): Add Undocumented.
6265 2010-02-19 Mike Stump <mikestump@comcast.net>
6267 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
6269 2010-02-19 Jason Merrill <jason@redhat.com>
6272 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
6273 * configure: Likewise.
6275 2010-02-20 Alan Modra <amodra@gmail.com>
6278 * cgraph.h (cgraph_make_decl_local): Declare.
6279 * cgraph.c (cgraph_make_decl_local): New function.
6280 (cgraph_make_node_local): Use it.
6281 * cgraphunit.c (cgraph_function_versioning): Likewise.
6282 * ipa.c (function_and_variable_visibility): Likewise.
6284 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6287 * except.c (sjlj_emit_function_enter): Don't call
6288 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
6290 * rtl.h (add_reg_br_prob_note): Remove prototype.
6292 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
6295 * c-common.c (conversion_warning): Remove widening conversions
6296 before checking the conversion of integers to reals.
6298 2010-02-19 Mike Stump <mikestump@comcast.net>
6301 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
6304 * cgraphunit.c (process_function_and_variable_attributes): Check
6305 DECL_PRESERVE_P instead of looking up attribute "used".
6306 * ipa-pure-const.c (check_decl): Likewise.
6307 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
6308 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
6309 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
6310 instead of attribute "used".
6311 * config/sol2-c.c (solaris_pragma_init): Likewise.
6312 (solaris_pragma_fini): Likewise.
6314 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6316 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
6317 Use XCNEW instead of xcalloc.
6318 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
6319 XNEW instead of xmalloc.
6320 (get_fields): Use XNEWVEC instead of xmalloc.
6323 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
6324 populate vars array.
6325 (create_new_general_access): For debug stmts just reset value.
6326 (get_stmt_accesses): For accesses within debug stmts just record them
6327 using add_access_to_acc_sites instead of preventing the peeling or
6328 counting them as accesses.
6331 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
6333 2010-02-19 Richard Guenther <rguenther@suse.de>
6335 PR tree-optimization/42916
6336 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
6339 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
6341 * configure.ac: Replace all uses of changequote in macro arguments
6342 with proper quoting.
6344 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6347 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
6349 2010-02-19 Richard Guenther <rguenther@suse.de>
6351 PR tree-optimization/42944
6352 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
6353 test for aliasing with errno.
6355 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6358 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
6359 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
6360 * dojump.c: Include output.h.
6361 (inv): New inline function.
6362 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
6363 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
6364 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
6365 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
6366 argument, pass it down to other calls.
6367 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
6368 add REG_BR_PROB note to the conditional jump.
6369 * cfgexpand.c (add_reg_br_prob_note): Removed.
6370 (expand_gimple_cond): Don't call it, add the probability
6371 as last argument to jumpif_1/jumpifnot_1.
6372 * Makefile.in (dojump.o): Depend on output.h.
6373 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
6375 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
6376 * stmt.c (do_jump_if_equal): Likewise.
6377 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
6378 * loop-unswitch.c (compare_and_jump_seq): Likewise.
6379 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
6381 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
6382 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
6383 jumpifnot_1 callers.
6384 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
6386 (store_expr): Adjust jumpifnot caller.
6387 (store_constructor): Adjust jumpif caller.
6390 * gimplify.c (gimple_boolify): For __builtin_expect call
6391 gimple_boolify also on its first argument.
6393 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
6395 * configure.ac (gnu-unique-object): Wrap regexps using [] in
6397 (__stack_chk_fail): Ditto. Remove quadrigraphs.
6398 * configure: Regenerated.
6400 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
6402 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
6403 lang_hooks.types_compatible_p instead of comptypes.
6405 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
6407 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
6408 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
6409 if __prefer_thumb__ is defined.
6411 2010-02-18 Martin Jambor <mjambor@suse.cz>
6413 PR tree-optimization/43066
6414 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
6415 array with zero-sized element type.
6417 2010-02-18 Jakub Jelinek <jakub@redhat.com>
6419 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
6420 rtx, allocate struct var_loc_node here and return it to the
6421 caller, and only if it is actually needed.
6422 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
6423 move it earlier and return immediately if it returns NULL.
6425 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
6427 * config/sparc/gas.h: New file. Restore
6428 TARGET_ASM_NAMED_SECTION to its ELF default.
6429 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
6431 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6432 Likewise. Add ATTRIBUTE_UNUSED to prototype.
6433 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
6434 after sparc/sysv4.h.
6436 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
6438 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
6440 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
6442 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
6443 patterns from predicated pattern.
6445 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
6448 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
6449 for insn mnemonic suffix.
6451 2010-02-17 Richard Guenther <rguenther@suse.de>
6453 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
6456 2010-02-17 Jakub Jelinek <jakub@redhat.com>
6459 * caller-save.c (save_call_clobbered_regs): If BB ends with
6460 a DEBUG_INSN, move any notes in between last real insn and the last
6461 DEBUG_INSN after the last DEBUG_INSN.
6463 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
6465 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
6466 Fix return type. Fix argument type. Explain meaning of return value.
6468 2010-02-16 Richard Guenther <rguenther@suse.de>
6470 PR tree-optimization/41043
6471 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
6472 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
6474 (vrp_visit_phi_node): ... but only for loop PHI nodes.
6476 2010-02-16 Ira Rosen <irar@il.ibm.com>
6478 PR tree-optimization/43074
6479 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
6480 * tree-vect-loop.c (vect_analyze_loop_operations): Add
6481 vectorizable cycles in hybrid SLP check.
6482 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
6484 2010-02-16 Richard Guenther <rguenther@suse.de>
6486 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
6487 (true_dependence): If memrefs_conflict_p computes must-alias
6488 trust it. Move TBAA check after offset-based disambiguation.
6489 (canon_true_dependence): Likewise.
6491 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
6493 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
6494 * doc/invoke.texi: Document it.
6495 * var-tracking.c: Include toplev.h and params.h.
6496 (vt_find_locations): Return bool indicating success. Compute
6497 hash sizes unconditionally. Check new parameter, report.
6498 (variable_tracking_main_1): Check vt_find_locations results and
6499 retry. Renamed from...
6500 (variable_tracking_main): ... this. New wrapper to preserve
6501 flag_var_tracking_assignments.
6502 * Makefile.in (var-tracking.o): Adjust dependencies.
6504 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
6505 Jakub Jelinek <jakub@redhat.com>
6508 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
6509 if weak_import attribute is present.
6510 * config/darwin.c (machopic_select_section): Likewise.
6512 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
6514 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
6515 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
6516 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
6517 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
6519 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
6522 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
6525 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
6526 Rewrite text to refer to the names.
6528 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
6530 * config/i386/i386-builtin-types.def
6531 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
6532 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
6533 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
6534 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
6535 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
6536 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
6537 IX86_BUILTIN_VPERMIL2PS256.
6538 (MULTI_ARG_4_DF2_DI_I): Defined.
6539 (MULTI_ARG_4_DF2_DI_I1): Defined.
6540 (MULTI_ARG_4_SF2_SI_I): Defined.
6541 (MULTI_ARG_4_SF2_SI_I1): Defined.
6542 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
6543 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
6544 __builtin_ia32_vpermil2ps256.
6545 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6546 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6547 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
6548 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6549 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6550 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
6551 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
6552 CODE_FOR_xop_vpermil2v8sf3.
6553 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
6554 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
6555 * config/i386/xopintrin.h (_mm_permute2_pd): New.
6556 (_mm256_permute2_pd): New.
6557 (_mm_permute2_ps): New.
6558 (_mm256_permute2_ps): New.
6560 2010-02-15 Nick Clifton <nickc@redhat.com>
6562 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
6563 boolean parameters. Use emit_jump_insn when emitting a pop
6564 instruction containing a return insn.
6565 (push): Use 'true' rather than '1' as second parameter to F.
6566 (h8300_expand_prologue): Likewise.
6567 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
6568 (h8300_expand_epilogue): Likewise.
6570 2010-02-15 Richard Guenther <rguenther@suse.de>
6573 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
6576 2010-02-15 Nick Clifton <nickc@redhat.com>
6578 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
6581 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
6583 * intl.c (fake_ngettext): New function.
6584 * intl.h (fake_ngettext): Declare.
6585 (ngettext): Define macro.
6586 * collect2.c (notice_translated): New function.
6587 (main): Use notice_translated and ngettext.
6588 * collect2.h (notice_translated): Declare.
6590 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
6592 * reorg.c (delete_computation): Comment fixes.
6593 * caller-save.c (setup_save_areas): Idem.
6594 * sel-sched-dump.c (dump_lv_set): Idem.
6597 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6599 * config/s390/s390.c (s390_sched_init): New function.
6600 (TARGET_SCHED_INIT): Target hook defined.
6602 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
6603 Jack Howarth <howarth@bromo.med.uc.edu>
6604 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
6607 Partial revert of unintended change in fix for PR41605.
6608 * config/darwin.h: Fix typo.
6609 * config/darwin9.h: Same.
6611 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6613 * c-pch.c (pch_init): Clear v.
6615 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6618 * graphite-scop-detection.c (graphite_can_represent_scev): Call
6619 graphite_can_represent_init for MULT_EXPR.
6621 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6625 * graphite-sese-to-poly.c (remove_phi): New.
6626 (translate_scalar_reduction_to_array): Call remove_phi.
6628 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6631 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
6632 * graphite-clast-to-gimple.h (gloog): Update declaration.
6633 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
6634 * graphite-poly.h (struct poly_bb): Add missing comments.
6635 (struct scop): Add poly_scop_p field.
6637 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
6638 * graphite.c (graphite_transform_loops): Build the polyhedral
6639 representation for each scop before code generation.
6640 * sese.c (rename_variables_in_operand): Removed.
6641 (rename_variables_in_expr): Return the renamed expression.
6642 (rename_sese_parameters): New.
6643 * sese.h (rename_sese_parameters): Declared.
6645 2010-02-11 Richard Guenther <rguenther@suse.de>
6647 PR tree-optimization/42998
6648 * tree-ssa-pre.c (create_expression_by_pieces): Treat
6649 POINTER_PLUS_EXPR properly.
6651 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6652 Changpeng Fang <changpeng.fang@amd.com>
6655 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
6656 the cost of an IV candidate when the IV is used in a test against zero.
6658 * gcc.dg/tree-ssa/ivopts-3.c: New.
6660 2010-02-11 Richard Guenther <rguenther@suse.de>
6663 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
6664 pointer-vs-decl case by swapping refs. Handle some cases
6665 of pointer-vs-decl disambiguations more conservatively.
6666 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
6667 to false after expanding.
6669 2010-02-11 Richard Guenther <rguenther@suse.de>
6672 * gcc.c (process_command): Handle LTO file@offset case more
6675 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6677 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
6678 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
6680 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
6682 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
6683 if MEM's mode size isn't DWARF2_ADDR_SIZE.
6684 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
6685 Optimize eq/ne comparisons when both arguments are known to be
6687 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
6688 Don't mask operands unnecessarily if they are known to be already
6691 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
6693 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
6696 2010-02-10 Richard Guenther <rguenther@suse.de>
6698 PR tree-optimization/43017
6699 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
6700 for wrapping signed arithmetic.
6702 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6705 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
6706 if no debug info should be emitted for it.
6708 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
6710 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
6711 note when flag_exceptions is set.
6713 2010-02-10 Duncan Sands <baldrick@free.fr>
6715 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
6717 2010-02-10 Richard Guenther <rguenther@suse.de>
6720 * tree.c (get_unwidened): Handle constants.
6721 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
6723 2010-02-10 Martin Jambor <mjambor@suse.cz>
6726 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
6727 check for variable argument counts independently.
6729 2010-02-10 Christian Bruel <christian.bruel@st.com>
6732 * config/sh/sh.c (find_barrier): Increase length for non delayed
6733 conditional branches.
6735 2010-02-10 Christian Bruel <christian.bruel@st.com>
6737 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
6739 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6741 * builtins.c (set_builtin_user_assembler_name): Also handle
6742 ffs if int is smaller than word.
6744 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
6747 * ira-conflicts.c (get_dup): Remove.
6748 (process_reg_shuffles): Add new parameter. Use it as an
6749 additional guard for copy generation.
6750 (add_insn_allocno_copies): Rewrite.
6752 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
6754 * common.opt (fsched2-use-traces): Preserved for backward
6756 * doc/invoke.texi: Remove the documentation about option
6757 -fsched2-use-traces.
6758 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
6759 flag_sched2_use_traces.
6760 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
6761 the backward compatibility flag section.
6763 2010-02-09 Richard Guenther <rguenther@suse.de>
6765 PR tree-optimization/43008
6766 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
6767 make HEAP variables initialized from global memory if they
6768 are not known builtin functions.
6769 (find_func_aliases): Adjust.
6771 2010-02-09 Richard Guenther <rguenther@suse.de>
6773 PR tree-optimization/43000
6774 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
6775 arithmetic manually.
6777 2010-02-08 Jakub Jelinek <jakub@redhat.com>
6779 PR tree-optimization/42931
6780 * tree-loop-linear.c (try_interchange_loops): Don't call
6781 double_int_mul if estimated_loop_iterations failed.
6783 2010-02-08 Martin Jambor <mjambor@suse.cz>
6786 * tree-sra.c (build_accesses_from_assign): Do not mark in
6787 should_scalarize_away_bitmap if stmt has volatile ops.
6788 (sra_modify_assign): Do not process assigns piecemeal if if stmt
6791 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
6793 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
6795 2010-02-07 Adam Nemet <adambnmet@gmail.com>
6797 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
6800 2010-02-07 Andrew Pinski <pinskia@gmail.com>
6803 * df-core.c (df_finish_pass): Change type of saved_flags to int.
6805 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6808 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
6809 to unknown_dependence.
6810 (graphite_legal_transform_dr): Handle the unknown_dependence.
6811 (graphite_carried_dependence_level_k): Same.
6813 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6815 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
6817 2010-02-07 Richard Guenther <rguenther@suse.de>
6820 * expr.c (get_inner_reference): Always initialize *pbitsize.
6822 2010-02-07 Richard Guenther <rguenther@suse.de>
6825 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
6826 new ARRAY_REFs on variable size element or minimal index arrays.
6828 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
6829 gimple_fold_indirect_ref.
6831 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
6834 * arm.c (arm_override_options): Just return if the user has specified
6835 an invalid fpu name.
6837 2010-02-03 Jason Merrill <jason@redhat.com>
6840 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
6841 i386_pe_maybe_record_exported_symbol.
6843 2010-02-05 Steve Ellcey <sje@cup.hp.com>
6846 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6847 (pa_delegitimize_address): New function.
6849 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
6851 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
6852 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
6854 2010-02-05 Richard Guenther <rguenther@suse.de>
6857 * lto-streamer-in.c (get_resolution): Deal with references
6858 to undefined functions.
6860 2010-02-05 Richard Guenther <rguenther@suse.de>
6862 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
6863 (fold_const_aggregate_ref): Likewise.
6864 (ccp_fold_stmt): Substitute loads.
6865 (maybe_fold_reference): Verify types before substituting.
6867 (fold_gimple_assign): Unshare properly.
6868 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
6870 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
6872 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
6873 for rs6000_gen_cell_microcode.
6875 2010-02-04 Richard Guenther <rguenther@suse.de>
6877 PR rtl-optimization/42952
6878 * dse.c (const_or_frame_p): Remove MEM handling.
6880 2010-02-04 Nick Clifton <nickc@redhat.com>
6882 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
6883 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
6884 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
6885 (mn10300_asm_output_mi_thunk): New function.
6886 (mn10300_can_output_mu_thunk): New function.
6887 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
6888 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
6889 (FUNCTION_ARG): Delete incorrect comment.
6891 2010-02-03 Jason Merrill <jason@redhat.com>
6894 * fold-const.c (operand_equal_p): Handle erroneous types.
6896 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
6898 * config/h8300/h8300.md (can_delay): Fix attibute condition.
6900 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
6902 PR rtl-optimization/42941
6903 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
6906 2010-02-03 Jason Merrill <jason@redhat.com>
6909 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
6911 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
6914 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
6915 (cselib_reset_table): Renamed from...
6916 (cselib_reset_table_with_next_value): ... this.
6917 (cselib_get_next_uid): Renamed from...
6918 (cselib_get_next_unknown_value): ... this.
6919 * cselib.c (next_uid): Renamed from...
6920 (next_unknown_value): ... this.
6921 (cselib_clear_table): Adjust.
6922 (cselib_reset_table): Adjust. Renamed from...
6923 (cselib_reset_table_with_next_value): ... this.
6924 (cselib_get_next_uid): Adjust. Renamed from...
6925 (cselib_get_next_unknown_value): ... this.
6926 (get_value_hash): Use hash.
6927 (cselib_hash_rtx): Likewise.
6928 (new_cselib_val): Adjust. Set and dump uid.
6929 (cselib_lookup_mem): Pass next_uid as hash.
6930 (cselib_subst_to_values): Likewise.
6931 (cselib_log_lookup): Dump uid.
6932 (cselib_lookup): Pass next_uid as hash. Adjust.
6933 (cselib_process_insn): Adjust.
6934 (cselib_init): Initialize next_uid.
6935 (cselib_finish): Adjust.
6936 (dump_cselib_table): Likewise.
6937 * dse.c (canon_address): Dump value uid.
6938 * print-rtl.c (print_rtx): Print value uid.
6939 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
6941 (dv_uid): New function, sort of renamed from...
6942 (dv_htab_hash): ... this, reimplemented in terms of it and...
6943 (dv_uid2hash): ... this. New.
6944 (variable_htab_eq): Drop excess assertions.
6945 (tie_break_pointers): Removed.
6946 (canon_value_cmp): Compare uids.
6947 (variable_post_merge_New_vals): Print uids.
6948 (vt_add_function_parameters): Adjust.
6949 (vt_initialize): Reset table. Adjust.
6951 2010-02-03 Richard Guenther <rguenther@suse.de>
6953 PR tree-optimization/42944
6954 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
6955 (call_may_clobber_ref_p_1): Likewise. Properly handle
6956 malloc and calloc clobbering errno.
6958 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
6960 * doc/invoke.texi: Fix name of sched1 dump.
6962 * opts.c (decode_options): Set flag_tree_switch_conversion
6963 only conditionally on optimize >= 2.
6965 * gcse.c: Assorted comment fixes in pass description.
6967 2010-02-03 Anthony Green <green@moxielogic.com>
6969 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
6970 nop padding in order to maintain alignment of storage location of
6971 target function address.
6972 (moxie_trampoline_init): Store target function address at newly
6974 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
6976 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
6978 2010-02-03 Richard Guenther <rguenther@suse.de>
6981 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
6983 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6985 * config.gcc: Reenable check for obsolete targets.
6986 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
6987 mips-sgi-irix6.[0-4]*.
6989 2010-02-02 Nick Clifton <nickc@redhat.com>
6991 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
6992 constant size of 4 as being the same as 0.
6993 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
6994 can take values in the range 0..4.
6996 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
6999 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
7000 as _darwin10_Unwind_FindEnclosingFunction().
7001 * libgcc-libsystem.ver: New.
7003 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
7006 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
7007 implicitly set registers.
7009 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
7011 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
7012 (arm_override_options): Allow automatic selection of the thread
7013 pointer register if thumb2.
7014 (legitimize_pic_address): Improve code sequences for Thumb2.
7015 (arm_call_tls_get_addr): Likewise.
7016 (legitimize_tls_address): Likewise.
7017 * arm.md (pic_load_addr_arm): Delete. Replace with ...
7018 (pic_load_addr_32bit): ... this. New named pattern.
7019 * thumb2.md (pic_load_addr_thumb2): Delete.
7020 (pic_load_dot_plus_four): Delete.
7021 (tls_load_dot_plus_four): New named pattern.
7023 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7026 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
7027 Document fix for TLS bug.
7029 2010-01-31 Richard Guenther <rguenther@suse.de>
7031 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
7032 conservatively correct.
7034 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7038 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7040 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7042 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7044 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
7046 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
7048 * config.gcc: Adjust order of makefile fragments for mingw targets.
7050 2010-01-31 Richard Guenther <rguenther@suse.de>
7053 * gimplify.c (gimplify_init_constructor): For volatile LHS
7054 initialize a temporary.
7056 2010-01-31 Matthias Klose <doko@ubuntu.com>
7058 * configure.ac: Fix __stack_chk_fail check for cross builds configured
7060 * configure: Regenerate.
7062 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
7064 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
7065 the same alias set and their sizes different constantness.
7066 (aliasing_component_refs_p): Revert 2009-10-24 change.
7068 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7070 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
7073 2010-01-29 Richard Guenther <rguenther@suse.de>
7075 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
7076 Assert we successfully updated the call.
7078 2010-01-29 Jakub Jelinek <jakub@redhat.com>
7080 PR rtl-optimization/42889
7081 * df.h (df_set_bb_dirty_nonlr): New prototype.
7082 * df-core.c (df_set_bb_dirty_nonlr): New function.
7083 * df-scan.c (df_insn_rescan): Call it instead of
7084 df_set_bb_dirty for DEBUG_INSNs.
7086 2010-01-29 Richard Guenther <rguenther@suse.de>
7089 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
7090 quadratic behavior in most cases.
7092 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
7095 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
7096 in the call to gen_x86_movsicc_0_m1.
7098 2010-01-28 Richard Guenther <rguenther@suse.de>
7100 PR tree-optimization/42871
7101 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
7103 2010-01-28 Richard Guenther <rguenther@suse.de>
7105 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
7106 into call arguments.
7108 2010-01-28 Richard Guenther <rguenther@suse.de>
7111 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
7112 the forwarder if the destination is an EH landing pad.
7114 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
7116 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
7117 block list passed to gimple_duplicate_sese_tail.
7118 (parallelize_loops): Avoid parallelization when the function
7120 Avoid parallelization when the preheader is IRREDUCIBLE.
7121 Try to optimize when estimated_loop_iterations_int is unresolved.
7122 Add the loop's location to the dump file.
7123 * tree-cfg.c (add_phi_args_after_redirect): Remove.
7124 (gimple_duplicate_sese_tail): Remove the check for the latch.
7125 Redirect nexits to the exit block.
7126 Remove handling of the incoming edges to the latch.
7127 Redirect the backedge from the copied latch to the exit bb.
7129 2010-01-28 Michael Matz <matz@suse.de>
7132 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
7133 Wrap force_reg into a sequence, emit it before user.
7135 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
7137 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
7139 (arm_legacy_rev): Likewise.
7140 (thumb_legacy_rev): Likewise.
7142 2010-01-27 Jakub Jelinek <jakub@redhat.com>
7144 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
7145 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
7146 on MEM's address failed, try avoid_constant_pool_reference and
7147 recurse if it returned something different.
7148 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
7149 address, try avoid_constant_pool_reference and recurse if it
7150 returned something different.
7151 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
7152 address and avoid_constant_pool_reference returned something
7153 different, don't set have_address.
7155 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
7158 * var-tracking.c (val_store): Add modified argument, obey it.
7160 (count_uses): Move down logging of main.
7161 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
7162 don't need resolution.
7163 (emit_notes_in_bb): Likewise.
7165 2010-01-27 Richard Guenther <rguenther@suse.de>
7168 * tree-inline.c (remap_decl): Delay remapping of SSA name
7169 default definitions until we need them.
7171 2010-01-27 Jakub Jelinek <jakub@redhat.com>
7173 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
7174 (rs6000_delegitimize_address): New function.
7176 * config/s390/s390.c (s390_delegitimize_address): Call
7177 delegitimize_mem_from_attrs.
7180 * tree-inline.c (cannot_copy_type_1): Removed.
7181 (copy_forbidden): Don't forbid copying of functions containing
7182 records/unions with variable length fields.
7184 2010-01-27 Christian Bruel <christian.bruel@st.com>
7188 * config/sh/sh.c (find_barrier): Increase length for non delayed
7189 conditional branches.
7191 2010-01-27 Matthias Klose <doko@ubuntu.com>
7193 * configure.ac (gnu-unique-object): Fix ldd version check.
7194 * configure: Regenerate.
7196 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7198 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
7200 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
7201 Test for HAVE_GNU_AS value.
7203 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7205 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
7206 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
7207 INT64_TYPE): Define.
7208 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
7209 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7210 INT_LEAST64_TYPE): Define.
7211 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
7212 UINT_LEAST64_TYPE): Define.
7213 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
7214 INT_FAST64_TYPE): Define.
7215 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7216 UINT_FAST64_TYPE): Define.
7217 (INTMAX_TYPE, UINTMAX_TYPE): Define.
7218 (INTPTR_TYPE, UINTPTR_TYPE): Define.
7219 (SIG_ATOMIC_TYPE): Define.
7221 2010-01-26 Richard Guenther <rguenther@suse.de>
7223 * df-scan.c (df_scan_set_bb_info): Remove assert.
7224 (df_insn_rescan_debug_internal): Merge asserts.
7225 (df_install_ref): Likewise.
7226 (df_mark_reg): Use bitmap_set_range.
7227 (df_hard_reg_used_p): Remove assert.
7228 (df_hard_reg_used_count): Likewise.
7230 2010-01-26 Richard Guenther <rguenther@suse.de>
7232 PR rtl-optimization/42685
7233 * web.c (web_main): Ignore DEBUG_INSNs.
7235 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
7237 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
7239 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
7240 Fix types of fndecl and arglist parameters.
7242 2010-01-26 Richard Guenther <rguenther@suse.de>
7245 * tree-eh.c (unsplit_eh): Skip debug insns.
7247 2010-01-26 Richard Guenther <rguenther@suse.de>
7249 PR tree-optimization/42250
7250 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
7252 2010-01-26 Jakub Jelinek <jakub@redhat.com>
7255 * omp-low.c (expand_omp_sections): Only use single_pred if
7256 l2_bb is single_pred_p.
7258 2010-01-25 Christian Bruel <christian.bruel@st.com>
7261 * config/sh/sh.c (find_barrier): Increase length for non delayed
7262 conditional branches.
7263 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
7265 2010-01-24 David S. Miller <davem@davemloft.net>
7267 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
7268 define if not using GAS.
7269 * config/sparc/sparc.c (sparc_elf_asm_named_section):
7270 Likewise. Delete SECTION_MERGE code, which is only applicable
7273 2010-01-24 Mark Mitchell <mark@codesourcery.com>
7276 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
7277 mangling of va_list in system headers.
7279 2010-01-23 Toon Moene <toon@moene.org>
7281 * tree-predcom.c (combine_chains): Return NULL, not false.
7283 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
7285 * tree-loop-distribution.c (distribute_loop): Fix declaration and
7286 initialization of variable res to agree with return type.
7288 2010-01-22 Steve Ellcey <sje@cup.hp.com>
7290 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
7291 * tree-sra.c: Add include of expr.h.
7293 2010-01-22 Jakub Jelinek <jakub@redhat.com>
7295 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
7296 insert the debug stmt on the single non-EH edge from the stmt.
7298 2010-01-22 Richard Henderson <rth@redhat.com>
7301 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
7302 the RHS until after generate_subtree_copies has insertted its
7303 code before the current statement.
7305 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
7307 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
7309 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
7311 2010-01-21 Martin Jambor <mjambor@suse.cz>
7313 PR tree-optimization/42585
7314 * tree-sra.c (struct access): New field grp_total_scalarization.
7315 (dump_access): Dump the new field.
7316 (should_scalarize_away_bitmap): New variable.
7317 (cannot_scalarize_away_bitmap): Likewise.
7318 (sra_initialize): Allocate new bitmaps.
7319 (sra_deinitialize): Free new bitmaps.
7320 (create_access_1): New function.
7321 (create_access): Parts moved to create_access_1.
7322 (type_consists_of_records_p): New function.
7323 (completely_scalarize_record): Likewise.
7324 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
7325 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
7326 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
7328 (analyze_all_variable_accesses): Completely scalarize small eligible
7331 2010-01-21 Martin Jambor <mjambor@suse.cz>
7333 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
7335 2010-01-21 Andrew Haley <aph@redhat.com>
7337 * gcc.c (process_command): Move lang_specific_driver before
7338 setting cc_libexec_prefix.
7340 2010-01-21 Richard Guenther <rguenther@suse.de>
7343 * fold-const.c (negate_expr_p): Pretend only negative
7344 real constants are easily negatable.
7346 2010-01-20 Janis Johnson <janis187@us.ibm.com>
7347 Jason Merrill <jason@redhat.com>
7349 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
7350 (TYPE_TRANSPARENT_AGGR): this, for union and record.
7351 * calls.c (initialize argument_information): Handle it.
7352 * c-common.c (handle_transparent_union_attribute): Use new name.
7353 * c-decl.c (finish_struct): Ditto.
7354 * c-typeck.c (type_lists_compatible_p): Ditto.
7355 (convert_for_assignment): Use new name and also handle record.
7356 * function.c (aggregate_value_p): Handle it.
7357 (pass_by_reference): Ditto.
7358 (assign_parm_data_types): Ditto.
7359 * print-tree.c (print_node): Ditto.
7360 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
7361 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
7362 * tree.c (first_field): New fn.
7364 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
7367 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
7368 even when linking statically, for now.
7370 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7373 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
7374 without a cselib val.
7375 (count_uses): Accept MO_VAL_SET with no val on stores.
7376 (add_stores): Likewise.
7378 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7380 * var-tracking.c (check_value_val): Add a compile time assertion.
7381 (dv_is_decl_p): Simplify.
7382 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
7383 gcc_assert if ENABLE_CHECKING.
7385 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7388 * var-tracking.c: Include tree-flow.h.
7389 (mem_dies_at_call): New.
7390 (dataflow_set_preserve_mem_locs): Use it.
7391 (dataflow_set_remove_mem_locs): Likewise.
7392 (dump_var): Renamed from dump_variable. Adjust all callers.
7393 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
7394 * Makefile.in (var-tracking.o): Adjust deps.
7396 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
7398 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
7400 2010-01-20 Richard Guenther <rguenther@suse.de>
7402 PR tree-optimization/42717
7403 * tree-ssa-dce.c (get_live_post_dom): Remove.
7404 (forward_edge_to_pdom): Take an arbitrary edge to copy
7405 degenerate PHI args from.
7406 (remove_dead_stmt): Use the first post-dominator even if it
7407 does not contain live statements as redirection destination.
7409 2010-01-20 Richard Guenther <rguenther@suse.de>
7411 * tree-inline.c (estimate_num_insns): Handle EH builtins.
7413 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7415 * sel-sched.c (create_speculation_check): Remove set but not used
7417 (try_transformation_cache): Remove set but not used variable ds.
7418 (calculate_privileged_insns): Remove set but not used variables
7419 cur_insn and min_spec_insn.
7420 (find_best_expr): Remove set but not used variable avail_n.
7421 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
7423 * cgraphunit.c (assemble_thunk): Remove set but not used variable
7425 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
7426 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
7429 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
7432 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
7433 cpu types. Add support for *-sse3 cpu types.
7434 (x86_64-*-*): Ditto.
7436 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7439 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
7440 argument, call initializer_constant_valid_p_1 instead of
7441 initializer_constant_valid_p, pass CACHE to it, return NULL
7442 immediately if first call returns NULL.
7443 (initializer_constant_valid_p_1): New function.
7444 (initializer_constant_valid_p): Use it.
7446 2010-01-20 Thomas Quinot <quinot@adacore.com>
7448 * tree.def (PLACEHOLDER_EXPR): Fix comment.
7450 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7452 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
7453 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
7454 (loc_list_from_tree): Don't handle unsigned division. Handle
7455 signed modulo using DW_OP_{over,over,div,mul,minus}.
7456 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
7457 modulo instead of signed.
7459 2010-01-20 DJ Delorie <dj@redhat.com>
7461 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
7463 (h8300_emit_stack_adjustment): Propogate it.
7465 (h8300_expand_prologue): Likewise.
7466 (h8300_expand_epilogue): Likewise.
7468 2010-01-19 Michael Matz <matz@suse.de>
7470 PR tree-optimization/41783
7471 * tree-data-ref.c (toplevel): Include flags.h.
7472 (dump_data_dependence_relation): Also dump the inputs if the
7473 result will be unknown.
7474 (split_constant_offset_1): Look through some conversions.
7475 * tree-predcom.c (determine_roots_comp): Restart a new chain if
7476 the offset from last element is too large.
7477 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
7478 (reassociate_to_the_same_stmt): Handle vector registers.
7479 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
7481 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
7482 wide_prolog_niters argument, emit widening instructions.
7483 (vect_do_peeling_for_alignment): Adjust caller, use widened
7484 variant of the iteration cound.
7485 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
7487 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
7490 * config/arm/neon-testgen.m (emit_automatics): New parameter
7491 features. Adjust for Fixed_return_reg feature.
7492 (test_intrinsic): Call emit_automatics with new feature.
7493 * config/arm/neon.ml: Update copyright years.
7494 (features): New Fixed_return_reg feature.
7495 (ops): Update feature for Vget_low.
7497 2010-01-19 Jakub Jelinek <jakub@redhat.com>
7499 PR tree-optimization/42719
7500 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
7504 * fwprop.c (all_uses_available_at): Return false if def_set dest
7505 is a REG that is used in def_insn.
7507 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
7509 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
7511 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
7514 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
7516 * target.h (struct gcc_target) <secondary_reload>: Change type
7517 of last argument to secondary_reload_info *.
7519 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
7522 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
7523 memory references with unaligned offsets. Remove CQImode handling.
7524 (unaligned_memory_operand): Return 1 for memory references with
7525 unaligned offsets. Remove CQImode handling.
7527 2010-01-18 Richard Guenther <rguenther@suse.de>
7530 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
7533 2010-01-18 Richard Guenther <rguenther@suse.de>
7535 PR tree-optimization/42781
7536 * tree-ssa-structalias.c (find_what_var_points_to): Skip
7537 restrict processing only if the original variable was artificial.
7539 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
7541 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
7542 find number of popped argument bytes.
7544 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
7545 Fix the text that describes the return value for invalid insns.
7547 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
7549 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
7550 Clarify what 'cost of the -dependence' is. Fix quoting.
7552 * toplev.c (default_get_pch_validity): Rename argument to "sz".
7553 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
7555 2010-01-17 Jakub Jelinek <jakub@redhat.com>
7557 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
7558 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
7560 2010-01-17 Richard Guenther <rguenther@suse.de>
7563 * function.c (split_complex_args): Take a VEC to modify.
7564 (assign_parms_augmented_arg_list): Build a VEC instead of
7565 a chain of PARM_DECLs.
7566 (assign_parms_unsplit_complex): Take a VEC of arguments.
7567 Do not fixup unmodified parms.
7568 (assign_parms): Deal with the VEC.
7569 (gimplify_parameters): Likewise.
7571 2010-01-17 Richard Guenther <rguenther@suse.de>
7573 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
7574 node existence check.
7575 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
7576 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
7577 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
7578 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
7579 (gimple_execute_on_growing_pred): Likewise.
7581 2010-01-17 Richard Guenther <rguenther@suse.de>
7583 PR tree-optimization/42773
7584 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
7585 (compute_antic_aux): Likewise.
7586 (compute_partial_antic_aux): Likewise.
7588 2010-01-17 Jie Zhang <jie.zhang@analog.com>
7591 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
7594 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
7596 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
7599 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
7600 Fix markup for strict argument.
7602 (TARGET_SCHED_REORDER2): Fix argument types.
7604 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
7605 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
7607 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
7608 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
7610 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
7613 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
7614 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
7615 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
7616 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
7617 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
7619 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
7621 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
7623 (TARGET_ASM_RELOC_RW_MASK): Add return type.
7624 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
7626 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
7628 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
7631 (TARGET_ASM_NAMED_SECTION): Fix argument list.
7633 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
7634 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
7636 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
7638 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
7640 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
7641 referring to it. Fix language.
7643 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
7645 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
7647 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
7649 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
7651 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
7652 '@var{stream}. Remove stray 'and'.
7654 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
7656 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
7658 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
7660 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
7661 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
7663 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
7664 Fix description of return value.
7665 Rename argument "sz" to "len."
7667 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
7668 Clarify meaning of 'true' return value.
7670 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
7672 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
7673 rep_mode versus mode_rep.
7675 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
7677 (TARGET_BUILTIN_DECL): Fix name.
7679 (TARGET_COMMUTATIVE_P): Fix type of first argument.
7681 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
7683 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
7685 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
7687 (TARGET_RELAXED_ORDERING): Use @deftypevr.
7689 (TARGET_GET_DRAP_RTX): Note that this is a hook.
7692 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
7693 Rename argument tm_fn to md_fn.
7695 (TARGET_OPTION_PRINT): Fix argument list.
7697 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
7700 * config/i386/i386.c (ix86_fixup_binary_operands):
7701 Revert FMA4 fixup of operands.
7703 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7706 * Makefile.in (write_entries_to_file, install-plugin):
7707 Use \012 instead of \n with tr.
7709 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
7711 * configure.ac (HAVE_AS_REF): New C macro.
7712 * configure: Regenerate.
7713 * config.in: Likewise.
7714 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
7716 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
7719 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
7721 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
7723 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
7725 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
7727 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
7729 (TARGET_IN_SMALL_DATA_P): Fix argument type.
7731 (TARGET_BINDS_LOCAL_P): Fix argument type.
7733 (TARGET_ASM_FILE_END): Use prototype.
7735 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
7737 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
7739 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
7741 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
7743 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
7744 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
7746 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
7747 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
7749 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
7750 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
7751 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
7752 (TARGET_ADDR_SPACE_CONVERT): Likewise.
7754 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
7756 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
7758 (TARGET_INIT_BUILTINS): Use prototype.
7760 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
7761 Put 'const char *' in braces. Fix parameter types.
7762 (TARGET_INVALID_CONVERSION): Fix parameter types.
7763 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
7764 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
7766 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
7769 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
7771 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
7773 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
7775 * doc/tm.texi (TARGET_HELP): Fix return type.
7777 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
7778 in braces. Fix argument types.
7780 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
7782 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
7784 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
7786 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
7787 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
7789 (TARGET_MANGLE_TYPE): Fix argument types.
7791 (TARGET_IRA_COVER_CLASSES): Use prototype.
7793 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
7795 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
7797 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
7799 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
7801 (TARGET_CALLEE_COPIES): Fix argument types.
7803 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
7805 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
7807 (TARGET_FUNCTION_VALUE): Fix argument types.
7809 (TARGET_RETURN_IN_MSB): Fix argument type.
7811 (TARGET_RETURN_IN_MEMORY): Fix argument types.
7813 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
7815 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
7817 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
7818 agree with return type.
7820 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
7822 2010-01-15 Jing Yu <jingyu@google.com>
7824 PR rtl-optimization/42691
7825 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
7826 a pseudo to a constant and are merged, and adjust comments.
7828 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
7830 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
7832 2010-01-15 Richard Guenther <rguenther@suse.de>
7835 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
7836 labels of computed or non-local gotos to the destination.
7837 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
7838 landing pad label is the first label.
7840 2010-01-15 Richard Guenther <rguenther@suse.de>
7842 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
7844 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
7847 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
7848 to allow generation of the xssqrtdp instruction on power7.
7849 (sqrtdf2_fpr): Ditto.
7851 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7854 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
7855 functions with noreturn attribute.
7858 * varasm.c (declare_weak): Add weak attribute to decl if it
7859 doesn't have one already.
7860 (assemble_external): Only add decls to weak_decls if they also
7861 have weak attribute.
7863 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
7865 * var-tracking.c (var_reg_delete): Don't delete the association
7866 between REGs and values or one-part variables if the register
7869 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7872 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
7873 because its first operand is a non-localized variable.
7875 2010-01-14 Martin Jambor <mjambor@suse.cz>
7877 PR tree-optimization/42706
7878 * tree-sra.c (encountered_recursive_call): New variable.
7879 (encountered_unchangable_recursive_call): Likewise.
7880 (sra_initialize): Initialize both new variables.
7881 (callsite_has_enough_arguments_p): New function.
7882 (scan_function): Call decl and flags check only for IPA-SRA, check
7883 whether there is a recursive call and whether it has enough arguments.
7884 (all_callers_have_enough_arguments_p): New function.
7885 (convert_callers): Look for recursive calls only when
7886 encountered_recursive_call is set.
7887 (ipa_early_sra): Bail out either if
7888 !all_callers_have_enough_arguments_p or
7889 encountered_unchangable_recursive_call.
7891 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7893 * sel-sched.c: Add 2010 to copyright years.
7894 * sel-sched-ir.c: Likewise.
7895 * sel-sched-ir.h: Likewise.
7897 2010-01-14 Martin Jambor <mjambor@suse.cz>
7899 PR tree-optimization/42714
7900 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
7901 constructors specially.
7903 2010-01-14 Andi Kleen <ak@linux.intel.com>
7905 * config/i386/drivers-i386.c (detect_caches_intel):
7906 Add l2sizekb parameter and fill in.
7907 (host_detect_local_cpu): Add l2sizekb, fill in.
7908 Add Atom small cache heuristic.
7910 2010-01-14 Andi Kleen <ak@linux.intel.com>
7912 * config/i386/drivers-i386.c (detect_caches_cpuid4):
7913 Add level3 parameter and fill in.
7914 (detect_caches_intel): Handle level3 cache.
7916 2010-01-14 Andi Kleen <ak@linux.intel.com>
7918 * config/i386/drivers-i386.c (host_detect_local_cpu):
7919 Fix core duo detection.
7921 2010-01-14 Andi Kleen <ak@linux.intel.com>
7923 * config/i386/drivers-i386.c (host_detect_local_cpu):
7926 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7928 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
7929 (rs6000_variable_issue_1): this. Use...
7930 (rs6000_variable_issue): here. Reimplement. Print debug info.
7932 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7934 * sel-sched-ir.c (sel_restore_other_notes): Rename to
7935 sel_restore_notes. Update all callers. Call reemit_notes
7938 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7940 PR rtl-optimization/42246
7941 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
7944 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7946 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
7947 all successors is the same as number of successors in current region.
7949 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7951 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
7952 to rename is not separable. Otherwise check that its LHS is not NULL.
7954 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7956 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
7958 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7960 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
7961 available registers when failed to discover LHS register class.
7962 Fix indentation. Update comment.
7964 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7965 Alexander Monakov <amonakov@ispras.ru>
7967 PR rtl-optimization/42389
7968 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
7970 (advance_state_on_fence): Likewise.
7971 (sel_target_adjust_priority): Print debug output only when
7972 sched_verbose >= 4, not 2.
7973 (get_expr_cost): Do not issue all unique insns on the next cycle.
7974 (fill_insns): Initialize can_issue_more from the value saved
7976 * sel-sched-ir.c (flist_add): New parameter issue_more.
7977 Init FENCE_ISSUE_MORE with it.
7978 (merge_fences): Likewise.
7979 (init_fences): Update call to flist_add.
7980 (add_to_fences, add_clean_fence_to_fences)
7981 (add_dirty_fence_to_fences): Likewise.
7982 (move_fence_to_fences): Update call to merge_fences.
7983 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
7985 * sel-sched-ir.h (struct _fence): New field issue_more.
7986 (FENCE_ISSUE_MORE): New accessor macro.
7988 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7990 PR rtl-optimization/42388
7991 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
7992 that have no predecessors nor successors. Do not call move_bb_info
7993 for empty blocks outside of current region.
7995 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7997 PR rtl-optimization/42294
7998 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
7999 * sel-sched.c (move_exprs_to_boundary): Transitively add all
8000 originators' originators.
8002 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8004 PR rtl-optimization/39453
8005 PR rtl-optimization/42246
8006 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
8008 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
8010 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8011 Alexander Monakov <amonakov@ispras.ru>
8014 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
8015 (maybe_tidy_empty_bb): ... here. Make static. Add new
8016 argument. Update all callers.
8017 (tidy_control_flow): ... and here. Recompute topological order
8018 of basic blocks in region if necessary.
8019 (sel_redirect_edge_and_branch): Change return type. Return true
8020 if topological order might have been invalidated.
8021 (purge_empty_blocks): Export and move from...
8022 * sel-sched.c (purge_empty_blocks): ... here.
8023 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
8024 (maybe_tidy_empty_bb): Delete prototype.
8025 (purge_empty_blocks): Declare.
8027 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8029 PR rtl-optimization/42249
8030 * sel-sched.c (try_replace_dest_reg): When chosen register
8031 and original register is the same, do not bail out early, but
8032 still check all original insns for validity of replacing destination
8033 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
8036 2010-01-14 Jakub Jelinek <jakub@redhat.com>
8039 Port from no-undefined-overflow branch:
8040 2009-03-09 Richard Guenther <rguenther@suse.de>
8042 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
8044 2010-01-14 Richard Guenther <rguenther@suse.de>
8047 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
8049 2010-01-14 Ira Rosen <irar@il.ibm.com>
8051 PR tree-optimization/42709
8052 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
8053 as scalar type in creation of constant vector operand.
8055 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8058 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
8059 (check-parallel-%): Match `testsuite' directory component only
8062 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
8064 PR translation/39521
8065 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
8068 2010-01-13 Richard Guenther <rguenther@suse.de>
8070 PR tree-optimization/42730
8071 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
8074 2010-01-13 Steve Ellcey <sje@cup.hp.com>
8077 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
8078 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
8081 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
8083 * config/bfin/libgcc-bfin.ver: Regenerate based on current
8084 libgcc-std.ver. Add entries for ___smulsi3_highpart and
8085 ___umulsi3_highpart.
8087 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
8088 rather than schedule_insns if the pass is enabled.
8090 2010-01-13 Martin Jambor <mjambor@suse.cz>
8092 PR tree-optimization/42704
8093 * tree-sra.c (sra_modify_assign): Do not delete assignments to
8096 2010-01-13 Martin Jambor <mjambor@suse.cz>
8098 PR tree-optimization/42703
8099 * tree-sra.c (analyze_access_subtree): Check that we can build a
8100 reference to the original data within the aggregate.
8102 2010-01-13 Richard Guenther <rguenther@suse.de>
8104 PR tree-optimization/42705
8105 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
8107 2010-01-13 Richard Guenther <rguenther@suse.de>
8110 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
8112 2010-01-13 Jakub Jelinek <jakub@redhat.com>
8115 * var-tracking.c (values_to_unmark): New variable.
8116 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
8117 values_to_unmark vector. Moved body to...
8118 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
8119 instead queue it into values_to_unmark vector.
8120 (vt_find_locations): Free values_to_unmark vector.
8122 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
8124 * config/s390/s390.c (override_options): Set
8125 default of max-pending-list-length to 256
8127 2010-01-13 Richard Guenther <rguenther@suse.de>
8130 * tree-pass.h (PROP_gimple_lcx): New.
8131 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
8132 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
8133 before the final cleanup_eh.
8134 (dump_properties): Dump PROP_gimple_lcx.
8135 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
8136 (tree_lower_complex_O0): Remove.
8137 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
8138 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
8139 tree_lower_complex, schedule TODO_update_ssa.
8140 * lto-streamer-out.c (output_function): Stream the functions
8142 * lto-streamer-in.c (input_function): Likewise.
8143 (lto_read_body): Do not override them here.
8145 2010-01-12 Joseph Myers <joseph@codesourcery.com>
8148 * c-typeck.c (build_c_cast): Fold value cast to union type before
8149 wrapping it in a CONSTRUCTOR.
8151 2010-01-12 Jakub Jelinek <jakub@redhat.com>
8153 PR rtl-optimization/42699
8154 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
8157 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8159 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
8160 SUBTARGET_WARN_UNUSED_SPEC): Move ...
8161 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
8162 SUBTARGET_WARN_UNUSED_SPEC): ... here
8163 * config/mips/iris5.h (LIBGCC_SPEC): Define.
8165 2010-01-12 Julian Brown <julian@codesourcery.com>
8167 * config/arm/neon-schedgen.ml (Utils): Don't try to
8168 open missing module.
8169 (find_with_result): New.
8171 2010-01-12 Jakub Jelinek <jakub@redhat.com>
8174 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
8175 sharing when canonicalizing ({lt,ge}u (plus a b) b).
8177 PR tree-optimization/42645
8178 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
8179 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
8180 decl_map, set processing_debug_stmt to -1 and return name without
8183 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
8185 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
8186 binutils version, and reword target configuration description.
8188 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
8190 * config/avr/avr.h (LINKER_NAME): Remove.
8192 2010-01-11 Janis Johnson <janis187@us.ibm.com>
8195 * config/rs6000/rs6000.c (rs6000_override_options): On targets
8196 that support VSX, warn for -mno-altivec if vsx is not disabled,
8199 2010-01-11 Joseph Myers <joseph@codesourcery.com>
8200 Shujing Zhao <pearly.zhao@oracle.com>
8202 PR translation/42469
8203 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
8204 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
8205 character between option name and help text.
8206 * c.opt (imultilib): Likewise.
8208 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
8210 * lto-streamer-out.c (output_unreferenced_globals): Output static
8213 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
8215 PR rtl-optimization/42621
8216 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
8217 optimizing for size.
8218 (duplicate_computed_gotos): Remove now-redundant check.
8220 2010-01-10 Steve Ellcey <sje@cup.hp.com>
8223 * configure.ac: Save and restore LDFLAGS and LIBS
8224 * configure: Regenerate.
8226 2010-01-10 Richard Guenther <rguenther@suse.de>
8229 * builtins.c (fold_builtin_strlen): Add type argument and
8230 convert the resulting length to it.
8231 (fold_builtin_1): Adjust.
8233 2010-01-09 Jakub Jelinek <jakub@redhat.com>
8235 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
8236 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
8238 (num_insns_constant_wide): Adjust for that change.
8240 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8243 * web.c (union_defs): Add used argument, to combine uses of
8245 (entry_register): Adjust type and tests of used argument.
8246 (web_main): Widen used for new use. Pass it to union_defs.
8247 * df.h (union_defs): Adjust prototype.
8249 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8252 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
8253 uses in new incoming argument. Free body.
8254 (reset_debug_uses_in_loop): New.
8255 (analyze_insn_to_expand_var): Call the latter if the former found
8256 anything. Fix whitespace. Reject invalid dest overlaps before
8257 going through all insns in the loop.
8259 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8262 * haifa-sched.c (dying_use_p): Debug insns don't count.
8264 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8267 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
8268 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
8269 (verify_gimple_call): Reject LHS in noreturn calls.
8271 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8275 * tree-vect-loop-manip.c (adjust_info): New type.
8276 (adjust_vec): New pointer to vector.
8277 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
8278 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
8279 (slpeel_update_phis_for_duplicate_loop): Use them.
8280 (slpeel_update_phi_nodes_for_guard1): Likewise.
8281 (slpeel_update_phi_nodes_for_guard2): Likewise.
8282 (slpeel_tree_peel_loop_to_edge): Likewise.
8283 (vect_update_ivs_after_vectorizer): Likewise.
8285 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8287 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
8288 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
8290 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8292 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
8293 bogus uninitialized warning.
8295 2010-01-09 Richard Guenther <rguenther@suse.de>
8298 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
8299 the evolution is compatible with the initial condition.
8301 2010-01-09 Jakub Jelinek <jakub@redhat.com>
8303 * gcc.c (process_command): Update copyright notice dates.
8304 * gcov.c (print_version): Likewise.
8305 * gcov-dump.c (print_version): Likewise.
8306 * mips-tfile.c (main): Likewise.
8307 * mips-tdump.c (main): Likewise.
8309 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
8312 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
8314 (rotlhi3_8): Delete.
8316 (rotlsi3_8): Delete.
8317 (rotlsi3_16): Delete.
8318 (rotlsi3_24): Delete.
8320 (*rotw<mode>3): New.
8321 (*rotb<mode>3): New.
8322 * config/avr/avr.c (avr_rotate_bytes): New function.
8323 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
8325 2010-01-08 Steve Ellcey <sje@cup.hp.com>
8328 * configure.ac: Modify -rdynamic check.
8329 * configure: Regenerate.
8331 2010-01-08 DJ Delorie <dj@redhat.com>
8333 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
8334 register popping order.
8336 2010-01-08 Richard Guenther <rguenther@suse.de>
8339 * c.opt (fsigned-char): Also let LTO handle this option.
8340 (funsigned-char): Likewise.
8342 2010-01-07 Richard Guenther <rguenther@suse.de>
8344 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
8345 (gimple_op): Likewise.
8346 (gimple_op_ptr): Likewise.
8347 (gimple_assign_set_lhs): Remove gcc_assert.
8348 (gimple_assign_set_rhs1): Likewise.
8349 (gimple_assign_set_rhs2): Likewise.
8350 (gimple_call_set_lhs): Likewise.
8351 (gimple_call_set_fn): Likewise.
8352 (gimple_call_set_fndecl): Likewise.
8353 (gimple_call_fndecl): Likewise.
8354 (gimple_call_return_type): Likewise.
8355 (gimple_call_set_chain): Likewise.
8356 (gimple_call_num_args): Likewise.
8357 (gimple_call_set_arg): Likewise.
8358 (gimple_cond_set_code): Likewise.
8359 (gimple_cond_set_lhs): Likewise.
8360 (gimple_cond_set_rhs): Likewise.
8361 (gimple_cond_set_true_label): Likewise.
8362 (gimple_cond_set_false_label): Likewise.
8363 (gimple_label_set_label): Likewise.
8364 (gimple_goto_set_dest): Likewise.
8365 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
8366 (gimple_debug_bind_get_value): Likewise.
8367 (gimple_debug_bind_get_value_ptr): Likewise.
8368 (gimple_debug_bind_set_var): Likewise.
8369 (gimple_debug_bind_set_value): Likewise.
8370 (gimple_debug_bind_reset_value): Likewise.
8371 (gimple_debug_bind_has_value_p): Likewise.
8372 (gimple_return_retval_ptr): Remove gcc_assert.
8373 (gimple_return_retval): Likewise.
8374 (gimple_return_set_retval): Likewise.
8375 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
8376 (safe_referenced_var_iterator): Remove.
8377 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
8378 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
8379 (fill_referenced_var_vec): Remove.
8380 (first_readonly_imm_use): Remove redundant gcc_assert.
8381 (phi_arg_index_from_use): Combine gcc_asserts.
8382 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
8383 (first_imm_use_stmt): Remove redundant gcc_assert.
8384 * tree-cfg.c (verify_gimple_call): Verify function and chain
8385 operands. Verify arguments.
8386 (verify_types_in_gimple_stmt): Verify condition code and labels.
8388 2010-01-07 Richard Guenther <rguenther@suse.de>
8390 PR tree-optimization/42641
8391 * sese.c (rename_map_elt_info): Use the SSA name version, do
8394 2010-01-07 Jakub Jelinek <jakub@redhat.com>
8396 PR tree-optimization/42625
8397 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
8398 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
8400 2010-01-07 Duncan Sands <baldrick@free.fr>
8402 * Makefile.in (PLUGIN_HEADERS): Add version.h.
8404 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
8407 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
8408 note itself is not function_invariant_p.
8410 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
8412 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
8413 Do not add the DF_NOTE problem.
8414 * store-motion.c (execute_rtl_store_motion): Likewise.
8416 2010-01-07 Martin Jambor <mjambor@suse.cz>
8418 PR tree-optimization/42157
8419 * tree-sra.c (compare_access_positions): Stabilize sort if both
8420 accesses have integer types, return zero immediately if they are the
8423 2010-01-06 Richard Henderson <rth@redhat.com>
8426 * haifa-sched.c (add_to_note_list): Merge into ...
8427 (concat_note_lists): ... here, and ...
8428 (unlink_other_notes, rm_other_notes): Merge into...
8429 (remove_notes): ... here. Create REG_SAVE_NOTEs for
8430 NOTE_INSN_EPILOGUE_BEG.
8432 2010-01-06 Richard Guenther <rguenther@suse.de>
8434 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
8435 not inline regular functions into always-inline functions.
8437 2010-01-06 Nick Clifton <nickc@redhat.com>
8439 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
8440 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
8442 (OVERRIDE_OPTIONS): Delete.
8443 (OPTIMIZATION_OPTIONS): Define.
8444 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
8445 * config/rx/rx.c (rx_handle_option): Issue an error message if
8446 -mcpu=rx200 and -fpu are used together.
8447 (rx_set_optimization_options): New function. Issue an error
8448 message if an optimization attribute attempts to reset the FPU/
8449 math optimization pairing.
8450 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
8451 * config/rx/rx.opt: Set the default to 32-bit doubles.
8452 * config/rx/t-rx: Add multilibs for -nofpu option.
8453 * doc/invoke.texi: Update documentation of RX options.
8455 2010-01-06 Richard Guenther <rguenther@suse.de>
8457 * tree-ssa-pre.c (name_to_id): New global.
8458 (alloc_expression_id): Simplify SSA name handling.
8459 (lookup_expression_id): Likewise.
8460 (init_pre): Zero name_to_id.
8461 (fini_pre): Free it.
8463 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
8465 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
8467 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
8470 * config/i386/sse.md (smaxv2di3): New.
8471 (umaxv2di3): Likewise.
8472 (sminv2di3): Likewise.
8473 (uminv2di3): Likewise.
8475 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
8478 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
8479 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
8480 (legitimize_tls_address): Likewise.
8481 (sparc_tls_referenced_p): Likewise.
8482 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
8483 and adjust calls to legitimize_pic_address.
8484 (legitimate_constant_p) Use sparc_tls_referenced_p.
8485 (legitimate_pic_operand_p): Likewise.
8486 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
8487 (sparc_tls_symbol_ref_1): Delete.
8488 (sparc_tls_referenced_p): Make static, recognize specific patterns.
8489 (legitimize_tls_address): Make static, handle CONST patterns.
8490 (legitimize_pic_address): Make static, remove unused parameter and
8491 adjust recursive calls.
8492 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
8493 and adjust call to legitimize_pic_address.
8494 (sparc_output_mi_thunk): Likewise.
8496 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
8497 H.J. Lu <hongjiu.lu@intel.com>
8500 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
8501 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
8502 operands to make them signed.
8505 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8508 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8509 GTU to GT for V4SI and V2DI.
8511 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8512 (umin<mode>3): Removed.
8514 (uminv4si3): Likewise.
8516 2010-01-05 Martin Jambor <mjambor@suse.cz>
8518 PR tree-optimization/42462
8519 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
8520 current_function_decl to helper functions and macros.
8522 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8525 * flags.h: Don't include real.h.
8526 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
8527 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
8528 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
8529 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
8530 * dominance.c: Update copyright.
8531 * gimple.c (walk_gimple_op): Remove inline.
8532 * tree-ssa-reassoc.c: Include real.h.
8533 * Makefile.in (FLAGS_H): Remove $(REAL_H).
8534 (tree-ssa-reassoc.o): Depend on $(REAL_H).
8536 2010-01-05 Nick Clifton <nickc@redhat.com>
8538 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
8539 register to push into the stack frame when the accumulator has to
8540 be saved during interrupts.
8542 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
8544 * doc/invoke.texi: Remove the documentation about option
8546 * common.opt (Wunreachable-code): Preserved for backward
8548 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
8549 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
8550 the backward compatibility flag section.
8552 2010-01-05 Richard Guenther <rguenther@suse.de>
8554 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
8556 2010-01-05 Jakub Jelinek <jakub@redhat.com>
8559 * cfgexpand.c (expand_one_var): Diagnose too large variables.
8561 PR tree-optimization/42508
8562 * tree-sra.c (convert_callers): Check for recursive call
8563 by comparing cgraph nodes instead of decls.
8564 (modify_function): Call ipa_modify_formal_parameters also
8565 on all same_body aliases.
8567 * cgraphunit.c (cgraph_materialize_all_clones): Compare
8568 cgraph nodes when checking for same_body aliases.
8570 2010-01-05 Richard Guenther <rguenther@suse.de>
8572 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
8573 allocation and lookup.
8574 (get_or_alloc_expr_for_constant): Likewise.
8575 (phi_translate): Sink allocation.
8577 2010-01-04 Richard Guenther <rguenther@suse.de>
8579 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
8580 a new entry only if needed.
8581 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
8582 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
8584 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
8586 (phi_translate): Handle CONSTANTs early.
8588 2010-01-04 Martin Jambor <mjambor@suse.cz>
8590 PR tree-optimization/42398
8591 * tree-sra.c (struct access): Removed flag grp_different_types.
8592 (dump_access): Do not dump the removed flag.
8593 (sort_and_splice_var_accesses): Do not set the removed flag.
8594 (sra_modify_expr): Check for type compatibility directly.
8596 2010-01-04 Martin Jambor <mjambor@suse.cz>
8598 PR tree-optimization/42366
8599 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
8600 edges with variable number of parameters.
8601 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
8602 flag instead of asserting it.
8603 (ipa_read_node_info): Read uses_analysis_done flag.
8605 2010-01-04 Richard Guenther <rguenther@suse.de>
8607 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
8608 iterative_hash_* as intended.
8609 (vn_reference_compute_hash): Likewise. Simplify hashing
8611 (vn_reference_lookup_2): Likewise.
8612 (vn_nary_op_compute_hash): Likewise.
8613 (vn_phi_compute_hash): Likewise.
8614 (expressions_equal_p): Remove strange code.
8615 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
8616 (pre_expr_hash): Likewise. Simplify hashing SSA names.
8617 (bitmap_insert_into_set_1): Take value-id as parameter.
8618 (add_to_value): Pass it.
8619 (bitmap_insert_into_set): Likewise.
8620 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
8622 2010-01-04 Jakub Jelinek <jakub@redhat.com>
8625 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
8626 (do_self_spec): For switches with SWITCH_IGNORE set set also
8627 SWITCH_IGNORE_PERMANENTLY.
8628 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
8631 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
8633 * lto-streamer-out.c (output_unreferenced_globals): Output the full
8634 tree of an unreferenced global var.
8636 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8639 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8640 GTU to GT for V4SI and V2DI.
8642 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8643 (umin<mode>3): Removed.
8645 (uminv4si3): Likewise.
8647 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8650 * collect2.c (main): Turn on trace in collect2 if -v is passed
8653 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
8655 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
8656 description of expression operand.
8658 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
8660 * configure.ac: Add install-html to target_list for Make-hooks.
8661 * configure: Regenerate.
8662 * fortran/Make-lang.in (F95_HTMLFILES): New.
8663 (fortran.html): Use it.
8664 (fortran.install-html): New.
8665 * Makefile.in (install-html): Add lang.install-html.
8666 * java/Make-lang.in (JAVA_HTMLFILES): New.
8667 (java.html): Use it.
8668 (java.install-html): New.
8669 * objc/Make-lang.in (objc.install-html): New.
8670 * objcp/Make-lang.in (obj-c++.install-html): New.
8671 * cp/Make-lang.in (c++.install-html): New.
8672 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
8673 * lto/Make-lang.in (lto.install-html): New.
8675 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8678 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
8680 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
8682 PR rtl-optimization/41862
8683 * store-motion.c (store_killed_in_insn, compute_store_table,
8684 remove_reachable_equiv_notes, replace_store_insn,
8685 build_store_vectors): Ignore all DEBUG_INSNs.
8687 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8690 * common.opt: Add dumpdir.
8692 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
8694 (option_map): Add --dumpdir.
8696 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
8698 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
8700 * opts.c (decode_options): Try dump_dir_name first if
8701 dump_base_name isn't an absolute path.
8702 (common_handle_option): Handle OPT_dumpdir.
8704 * toplev.c (dump_dir_name): New.
8705 (print_switch_values): Also ignore -dumpdir.
8707 * toplev.h (dump_dir_name): New.
8709 2010-01-03 Richard Guenther <rguenther@suse.de>
8711 PR tree-optimization/42589
8712 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
8713 double-word expansion of bswap32.
8715 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
8717 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
8718 with BLOCK_FOR_INSN.
8719 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
8720 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
8721 noce_process_if_block): Likewise.
8722 * gcse.c (compute_local_properties, insert_expr_in_table,
8723 insert_set_in_table, canon_list_insert, find_avail_set,
8724 pre_insert_copy_insn): Likewise.
8726 * basic-block.h (BLOCK_NUM): Move from here...
8727 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
8729 2010-01-03 Richard Guenther <rguenther@suse.de>
8731 PR tree-optimization/42438
8732 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
8733 contains_may_not_return_call flag.
8734 (BB_MAY_NOTRETURN): New.
8735 (valid_in_sets): Trapping nary operations are not valid
8736 in blocks that may not return.
8737 (insert_into_preds_of_block): Remove check for trapping expressions.
8738 (compute_avail): Compute also BB_MAY_NOTRETURN.
8740 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
8742 * doc/invoke.texi: Add 2010 to copyright years.
8744 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
8746 * config/sparc/sparc.c: Fix formatting nits.
8748 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
8749 Alexander Monakov <amonakov@ispras.ru>
8751 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
8753 2010-01-02 Richard Guenther <rguenther@suse.de>
8756 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
8757 (simplify_switch_using_ranges): Mark to be removed edges
8760 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8762 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
8764 * collect2.c (scan_libraries): Add missing argument in call to
8767 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
8770 * config/alpha/predicates.md (aligned_memory_operand): Return false
8772 (unaligned_memory_operand): Return true for CQImode.
8773 * config/alpha/alpha.c (get_aligned_mem): Assert that location
8774 doesn not cross aligned SImode word boundary.
8776 2010-01-02 Anatoly Sokolov <aesok@post.ru>
8778 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
8780 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
8781 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
8783 2010-01-02 Richard Guenther <rguenther@suse.de>
8786 * toplev.c (compile_file): Emit LTO marker properly. Change
8788 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
8790 2010-01-01 Richard Guenther <rguenther@suse.de>
8793 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
8795 2010-01-01 Richard Guenther <rguenther@suse.de>
8798 * c-decl.c (grokdeclarator): For zero-size arrays force
8799 structural equality checks as layout_type does.
8801 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8803 * builtins.c: Update copyright to 2010.
8805 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8808 * lto-streamer-out.c (produce_asm): Revert the last change.
8809 (copy_function): Likewise.
8811 * lto-streamer.c (lto_get_section_name): Skip any leading
8814 2010-01-01 Richard Guenther <rguenther@suse.de>
8817 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
8821 Copyright (C) 2010 Free Software Foundation, Inc.
8823 Copying and distribution of this file, with or without modification,
8824 are permitted in any medium without royalty provided the copyright
8825 notice and this notice are preserved.