1 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
3 * c-pragma.c (pending_weak_d, pending_weak): New.
4 (pending_weaks): Change the type to VEC((pending_weak,gc) *.
5 (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
6 handle_pragma_weak): Update the uses of pending_weaks.
8 2010-05-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
10 PR documentation/44016
11 * doc/standards.texi (Standards): Link to unversioned
12 cxx0x_status.html page.
14 2010-05-07 Iain Sandoe <iains@gcc.gnu.org>
17 * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
18 in addition to TREE_USED, to avoid "set but unused" warnings.
20 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
22 * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
23 (is_loop_prefetching_profitable): Do not insert prefetches
24 when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
25 times the prefetch ahead distance.
27 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
29 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
30 Account for loop unrolling in the insn-to-prefetch ratio heuristic.
31 (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
34 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
36 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
37 a diagnostic info when the insn-to-mem ratio is too small.
39 2010-05-07 Richard Guenther <rguenther@suse.de>
41 * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
43 (store_arg): Queue temp_filename for deletion instead of
46 2010-05-07 Richard Guenther <rguenther@suse.de>
48 * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
49 (run_gcc): Handle LTRANS phase invocation.
50 * collect2.c (maybe_run_lto_and_relink): Do not set
53 2010-05-07 Jakub Jelinek <jakub@redhat.com>
55 * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
56 this is also meaningful on PARM_DECLs and RESULT_DECLs.
58 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
60 * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
62 2010-05-07 Richard Guenther <rguenther@suse.de>
64 PR tree-optimization/44020
65 * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
66 code when PRE is not yet initialized.
68 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
70 * config/mips/dbxmdebug.h: Remove.
71 * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
73 2010-05-07 Shujing Zhao <pearly.zhao@oracle.com>
75 * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
76 with null pointer and also warn about ordered comparison of zero with
79 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
82 (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
83 * graphite-clast-to-gimple.c
84 (clast_to_gcc_expression): Same.
85 (precision_for_value): Same.
86 (precision_for_interval): Same.
87 (gcc_type_for_interval): Same.
88 (graphite_create_new_guard): Same.
89 (compute_bounds_for_level): Same.
90 (graphite_create_new_loop_guard): Same.
91 * graphite-interchange.c
92 (build_linearized_memory_access): Same.
93 (pdr_stride_in_loop): Same.
94 (memory_strides_in_loop_1): Same.
95 (memory_strides_in_loop): Same.
96 (extend_scattering): Same.
97 (psct_scattering_dim_for_loop_depth): Same.
98 (pbb_number_of_iterations): Same.
100 (debug_iteration_domains): Same.
102 (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
103 (ppl_set_inhomogeneous_gmp): Same.
104 (ppl_strip_loop): Same.
105 (ppl_lexico_compare_linear_expressions): Same.
106 (ppl_read_polyhedron_matrix): Same.
107 (ppl_max_for_le_pointset): Same.
109 (ppl_read_polyhedron_matrix): Same.
110 (tree_int_to_gmp): Same.
111 (gmp_cst_to_tree): Same.
112 (ppl_set_inhomogeneous): Same.
113 (ppl_set_inhomogeneous_tree): Same.
114 (ppl_set_coef): Same.
115 (ppl_set_coef_tree): Same.
116 * graphite-sese-to-poly.c
117 (build_pbb_scattering_polyhedrons): Same.
118 (build_scop_scattering): Same.
119 (scan_tree_for_params_right_scev): Same.
120 (scan_tree_for_params): Same.
121 (find_params_in_bb): Same.
122 (find_scop_parameters): Same.
123 (add_upper_bounds_from_estimated_nit): Same.
124 (build_loop_iteration_domains): Same.
125 (add_condition_to_domain): Same.
126 (pdr_add_memory_accesses): Same.
128 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
130 * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
131 CLooG's value_* macros to their respective mpz_* counterparts.
132 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
133 (graphite_create_new_loop_guard): Same.
134 * graphite-interchange.c (build_linearized_memory_access): Same.
135 (pdr_stride_in_loop): Same.
136 (memory_strides_in_loop_1): Same.
137 (1st_interchange_profitable_p): Same.
138 * graphite-poly.c (extend_scattering): Same.
139 (psct_scattering_dim_for_loop_depth): Same.
140 (pbb_number_of_iterations): Same.
141 (pbb_number_of_iterations_at_time): Same.
142 * graphite-poly.h (new_1st_loop): Same.
143 * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
144 (oppose_constraint): Same.
145 (insert_constraint_into_matrix): Same.
146 (ppl_set_inhomogeneous_gmp): Same.
147 (ppl_set_coef_gmp): Same.
148 (ppl_strip_loop): Same.
149 (ppl_lexico_compare_linear_expressions): Same.
150 (ppl_max_for_le_pointset): Same.
151 (ppl_min_for_le_pointset): Same.
152 (ppl_build_realtion): Same.
153 * graphite-ppl.h (gmp_cst_to_tree): Same.
154 (ppl_set_inhomogeneous): Same.
155 (ppl_set_inhomogeneous_tree): Same.
156 (ppl_set_coef): Same.
157 (ppl_set_coef_tree): Same.
158 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
159 (build_scop_scattering): Same.
160 (add_value_to_dim): Same.
161 (scan_tree_for_params_right_scev): Same.
162 (scan_tree_for_params_int): Same.
163 (scan_tree_for_params): Same.
164 (find_params_in_bb): Same.
165 (find_scop_parameters): Same.
166 (add_upper_bounds_from_estimated_nit): Same.
167 (build_loop_iteration_domains): Same.
168 (create_linear_expr_from_tree): Same.
169 (add_condition_to_domain): Same.
170 (pdr_add_memory_accesses): Same.
172 2010-05-06 Magnus Fromreide <magfr@lysator.liu.se>
173 Jason Merrill <jason@redhat.com>
175 * c-common.c (c_common_reswords): Add nullptr.
176 * c-common.h: Add RID_NULLPTR. Reorganize C++0x rids.
177 * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
178 (gen_type_die_with_usage): Likewise.
179 * dbxout.c (dbxout_type): Likewise.
180 * sdbout.c (plain_type_1): Likewise.
182 2010-05-06 Jason Merrill <jason@redhat.com>
184 * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
185 Don't change GS_OK to GS_ALL_DONE. Make sure that all cases set
187 (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
189 * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
190 stripping WITH_SIZE_EXPR.
191 (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
194 2010-05-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
196 * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
197 list of obsolete configurations.
198 Disabled check for obsolete configurations.
199 (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
200 Removed support for previous versions.
201 * config/mips/iris.h: Removed.
202 * config/mips/iris5.h: Removed.
203 * config/mips/iris6.h: Merged old iris.h contents.
204 (TARGET_IRIX): Removed.
205 (DRIVER_SELF_SPECS): Removed mabi=32.
206 (IDENT_ASM_OP): Removed undef.
207 (STARTFILE_SPEC): Removed mabi=32.
208 (ENDFILE_SPEC): Likewise.
209 (IRIX_SUBTARGET_LINK_SPEC): Likewise.
210 (MACHINE_TYPE): Update for IRIX 6.5.
211 * config/mips/mips.c (mips_build_builtin_va_list): Replaced
212 TARGET_IRIX by TARGET_IRIX6.
213 (mips_file_start): Likewise.
214 (mips_output_external): Remove IRIX 5/6 O32 support.
215 (mips_output_function_prologue): Likewise.
216 * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
218 (TARGET_CPU_CPP_BUILTINS): Likewise.
219 (TARGET_IRIX): Removed.
220 * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
221 (MULTILIB_DIRNAMES): Removed 32.
222 (MULTILIB_OSDIRNAMES): Removed ../lib.
223 * doc/install.texi (Prerequisites): Don't reference IRIX before
225 (Specific, mips-sgi-irix5): Document removal.
226 (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI
228 Remove references to older IRIX 6 releases and the O32 ABI.
230 2010-05-06 Jakub Jelinek <jakub@redhat.com>
232 * gcc.dg/Wunused-var-8.c: Move to...
233 * c-c++-common/Wunused-var-6.c: ... here. New test.
236 * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
237 instead of DF_REF_REAL_REG.
239 2010-05-06 Dave Korn <dave.korn.cygwin@gmail.com>
242 * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
243 handling to still return true for x64 targets.
245 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
247 * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
249 2010-05-06 Jan Hubicka <jh@suse.cz>
251 PR tree-optimization/43791
252 * ipa-inline.c (update_caller_keys): Remove bogus
253 disregard_inline_limits check.
255 2010-05-06 Michael Matz <matz@suse.de>
257 PR tree-optimization/43984
258 * tree-ssa-pre.c (inserted_phi_names): Remove.
259 (inserted_exprs): Change to bitmap.
260 (create_expression_by_pieces): Set bits, don't append to vector.
261 (insert_into_preds_of_block): Don't handle inserted_phi_names.
262 (eliminate): Don't look at inserted_phi_names, remove deleted
263 insns from inserted_exprs.
264 (remove_dead_inserted_code): Adjust to use bitmaps instead of
266 (init_pre, fini_pre): Allocate and free bitmaps.
267 (execute_pre): Insert insns on edges before elimination.
269 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
271 * tree.c (initializer_zerop): Handle STRING_CST.
273 2010-05-06 Manuel López-Ibáñez <manu@gcc.gnu.org>
276 * doc/invoke.texi (Wimplicit): Document as C only.
277 * opts.c (common_handle_option): Add argument kind.
278 (handle_option): Rename as read_cmdline_option. Factor out code to...
279 (handle_option): ... here. New.
280 (handle_options): Rename as read_cmdline_options.
281 (decode_options): Update call.
282 (set_option): Use option index instead of option pointer. Classify
283 diagnostics correctly.
284 (enable_warning_as_error): Call handle_option.
285 * opts.h (set_option): Update declaration.
286 (handle_option): Declare.
287 * langhooks.h (struct lang_hooks): Add argument kind to
289 * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
290 * c-opts.c (set_Wimplicit): Delete.
291 (c_family_lang_mask): New static constant.
292 (c_common_handle_option): Add argument kind. Use handle_option
293 instead of set_Wimplicit.
294 (c_common_post_options): warn_implicit and warn_implicit_int
295 are disabled by default.
296 * c-common.c (warn_implicit): Do not define here.
297 * c-common.h (warn_implicit): Do not declare here.
298 (c_common_handle_option): Update declaration.
299 * lto-opts.c (lto_reissue_options): Update call to set_option.
301 2010-05-06 Richard Guenther <rguenther@suse.de>
303 PR tree-optimization/43571
304 * domwalk.c (walk_dominator_tree): Walk the dominator
305 sons in more optimal order.
307 2010-05-06 Richard Guenther <rguenther@suse.de>
309 PR tree-optimization/43934
310 * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
311 (stmt_cost): Likewise.
312 (extract_true_false_args_from_phi): New helper.
313 (determine_max_movement): For PHI nodes verify we can hoist them
314 and compute their cost.
315 (determine_invariantness_stmt): Handle PHI nodes.
316 (move_computations_stmt): Likewise. Hoist PHI nodes in
317 if-converted form using COND_EXPRs.
318 (move_computations): Return TODO_cleanup_cfg if we hoisted PHI
320 (tree_ssa_lim): Likewise.
321 * tree-flow.h (tree_ssa_lim): Adjust prototype.
322 * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
324 2010-05-06 Richard Guenther <rguenther@suse.de>
326 PR tree-optimization/43987
327 * tree-ssa-structalias.c (could_have_pointers): For possibly
328 address-taken variables force pointers to be recorded.
329 (create_variable_info_for_1): Likewise.
330 (push_fields_onto_fieldstack): Pass in wheter all fields
332 (find_func_aliases): Query types instead of vars whether
333 they contain pointers where appropriate.
335 2010-05-06 Jan Hubicka <jh@suse.cz>
337 * cgraphbuild.c (record_reference_ctx): Add varpool_node.
338 (record_reference, mark_address, mark_load, mark_store): Record
340 (record_references_in_initializer): Update call of record_references.
341 (rebuild_cgraph_edges): Remove all references before rebuiding.
342 * cgraph.c (cgraph_create_node): Clear ref list.
343 (cgraph_remove_node): Remove references.
344 (dump_cgraph_node): Dump references.
345 (cgraph_clone_node): Clone references.
346 * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
347 (struct cgraph_node, varpool_node): Add ref_lst.
348 * ipa-ref.c: New file.
349 * ipa-ref.h: New file.
350 * ipa-ref-inline.h: New file.
351 * lto-cgraph.c (output_varpool): Take cgrag node set argument.
352 (referenced_from_other_partition_p): New function.
353 (lto_output_varpool_node): Take set arugment; call
354 referenced_from_other_partition.
355 (lto_output_ref): New.
356 (add_references): New.
358 (output_cgraph): Compute boundary based on references;
360 (output_varpool): Accept cgraph_node_set argument.
363 (input_cgraph): Call input_refs.
364 * lto-section-in.c (lto_section_name): Add refs.
365 * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
366 (ipa-ref.o): New file.
367 * varpool.c (varpool_node): Clear ipa ref list.
368 (varpool_remove_node): Remove references.
369 (dump_varpool_node): Dump references.
370 (varpool_assemble_decl): Only compile finalized ones.
371 (varpool_extra_name_alias): Initialize ref list.
372 * lto-streamer.c (lto-get_section_name): Add .refs section.
373 * lto-streamer.h (lto_section_type): Add LTO_section_refs.
374 (referenced_from_other_partition_p): Declared.
376 2010-05-06 Ira Rosen <irar@il.ibm.com>
378 PR tree-optimization/43901
379 * tree-vect-stmts.c (vectorizable_call): Assert that vector
380 type is not NULL if it's transformation phase, and return
381 FALSE if it's analysis.
382 (vectorizable_conversion, vectorizable_operation,
383 vectorizable_type_demotion, vectorizable_type_promotion):
386 2010-05-05 Andrew Pinski <andrew.pinski@caviumnetworks.com>
388 * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
390 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
392 * config/mips/mips-protos.h
393 (mips_small_register_classes_for_mode_p): Delete prototype.
395 2010-05-06 Bernd Schmidt <bernds@codesourcery.com>
397 * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
398 * config/arm/arm.c (multiple_operation_profitable_p,
399 compute_offset_order): New static functions.
400 (load_multiple_sequence, store_multiple_sequence): Use them.
401 Replace constant 4 with MAX_LDM_STM_OPS. Compute order[0] from
402 memory offsets, not register numbers.
403 (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
405 2010-05-05 Steven Bosscher <steven@gcc.gnu.org>
407 * stor-layout.c (pending_sizes): Change the type to
409 (get_pending_sizes, put_pending_size, put_pending_sizes):
410 Update the uses of pending_sizes.
411 * c-decl.c (store_parm_decls): Likewise.
412 * c-tree.h (struct c_arg_info): Likewise.
413 * tree.h: Update the prototype for get_pending_sizes and
416 2010-05-05 Jason Merrill <jason@redhat.com>
419 * c-common.c (handle_aligned_attribute): Respect
420 ATTR_FLAG_TYPE_IN_PLACE.
423 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
424 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
425 (TARGET_INITIALIZER): Use it.
426 * c-common.c (attribute_takes_identifier_p): Call it.
427 * c-common.h: Update prototype.
428 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
429 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
431 2010-05-05 Jakub Jelinek <jakub@redhat.com>
434 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
435 DW_ID_down_case for Fortran compilation units.
437 2010-05-05 Jan Hubicka <jh@suse.cz>
439 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
442 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
444 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
445 a variable-sized RESULT_DECL.
447 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
449 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
451 2010-05-05 Jason Merrill <jason@redhat.com>
454 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
456 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
458 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
459 Jakub Jelinek <jakub@redhat.com>
462 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
463 (dead_debug_init, dead_debug_finish): New functions.
464 (dead_debug_add, dead_debug_insert_before): Likewise.
465 (df_note_bb_compute): Initialize a dead_debug object, add dead
466 debug uses to it, insert debug bind insns before death insns,
467 reset debug insns that refer to pending uses at the end.
468 * rtl.h (make_debug_expr_from_rtl): New prototype.
469 * varasm.c (make_debug_expr_from_rtl): New function.
471 2010-05-05 Jan Hubicka <jh@suse.cz>
473 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
474 (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
475 lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
476 lto_varpool_encoder_encode_initializer_p,
477 lto_set_varpool_encoder_encode_initializer): New functions.
478 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
480 (input_varpool_node): Do not always set analyzed.
481 (input_cgraph_1): Return vector of cgraph nodes.
482 (input_varpool_1): Return vector of varpools.
483 (input_cgraph): Free the vectors.
484 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
485 output only initializers needed.
486 (lto_output): Only call output_cgraph.
487 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
488 * lto-section-out.c (lto_new_out_decl_state): Initialize
489 state->varpool_node_encoder.
490 * lto-streamer.h (lto_varpool_encoder_d): New.
491 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
492 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
493 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
494 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
495 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
497 (output_varpool, input_varpool): Remove declarations.
499 2010-05-05 Jan Hubicka <jh@suse.cz>
501 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
502 with body can prevail.
504 2010-05-05 Jan Hubicka <jh@suse.cz>
506 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
509 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
511 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
514 * gengtype.h (erro_at_line): Constify pos argument.
516 * gengtype.c: Include hashtab.h.
517 (enum gc_used): Document GC_MAYBE_POINTED_TO.
518 (error_at_line): Constify pos argument.
519 (do_typedef): Initialize p->opt field.
520 (get_file_gtfilename): Fix comment typo.
521 (struct walk_type_data): Constify line field.
522 (get_output_file_for_structure): New function.
523 (write_local_func_for_structure): Constify orig_s argument.
524 Use get_output_file_for_structure.
525 (write_func_for_structure): Use get_output_file_for_structure.
526 (INDENT): New define.
527 (dump_pair, dump_type, dump_type_list, dump_typekind)
528 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
529 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
531 (seen_types): New variable.
532 (main): New variable do_dump. Process "-d" command line option.
533 Call dump_everything if dump requested.
535 2010-05-05 Jakub Jelinek <jakub@redhat.com>
537 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
538 in a temporary instead of invoking the macro multiple times.
539 (track_expr_p): Likewise.
541 2010-05-04 Neil Vachharajani <nvachhar@google.com>
543 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
545 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
546 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
547 conditions for printing notes.
548 * common.opt (-Wcoverage-mismatch): Allow negative, default to
549 true, update documentation.
550 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
552 2010-05-04 Jakub Jelinek <jakub@redhat.com>
555 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
558 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
561 * config/i386/i386.md (sse_prologue_save): Add clobber CC
563 (*sse_prologue_save_insn1): Likewise.
564 (SSE prologue save splitter): Likewise.
566 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
568 * tree.c (free_lang_data_in_one_sizepos): New inline function.
569 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
570 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
571 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
572 all decls. Call it on DECL_FIELD_OFFSET of fields.
573 (find_decls_types_r): Follow DECL_VALUE_EXPR.
574 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
576 2010-05-04 Martin Jambor <mjambor@suse.cz>
578 * tree-sra.c (build_access_from_expr_1): The first parameter type
579 changed to simple tree.
580 (build_access_from_expr): Likewise, gsi parameter was eliminated.
581 (scan_assign_result): Renamed to assignment_mod_result, enum elements
583 (build_accesses_from_assign): Removed all parameters except for a
584 simple gimple statement. Now returns a simple bool.
585 (scan_function): All non-analysis parts moved to separate functions
586 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
587 parameters and updated both callers.
588 (sra_modify_expr): Removed parameter data.
589 (sra_modify_function_body): New function.
590 (perform_intra_sra): Call sra_modify_function_body to modify the
592 (replace_removed_params_ssa_names): Parameter data changed into
594 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
595 changed the parameter dont_convert to convert with the opposite
597 (sra_ipa_modify_assign): Parameter data changed into adjustments
598 vector, return value changed to bool.
599 (ipa_sra_modify_function_body): New function.
600 (sra_ipa_reset_debug_stmts): Updated a comment.
601 (modify_function): Use ipa_sra_modify_function_body to modify function
604 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
607 * alias.c (true_dependence): Handle the same VALUE in x and mem.
608 (canon_true_dependence): Likewise.
609 (write_dependence_p): Likewise.
611 2010-05-04 Jan Hubicka <jh@suse.cz>
613 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
614 * cgraphbuild.c: Include ipa-utils.h
615 (record_reference_ctx): New struct.
616 (record_reference): Simplify to work on initializers; not statements.
617 (mark_address, mark_load, mark_store): New.
618 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
620 (record_references_in_initializer): Update use of record_reference.
621 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
624 2010-05-04 Jan Hubicka <jh@suse.cz>
626 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
627 node will be removed anyway.
628 (lto_varpool_replace_node): Allow also unanalyzed nodes;
629 relink aliases of node into prevailing node.
630 * varpool.c (varpool_remove_node): Remove aliases properly;
631 when removing node, remove all its aliases too; remove DECL_INITIAL
632 of removed node; ggc_free the varpool node.
634 2010-05-04 Richard Guenther <rguenther@suse.de>
636 PR tree-optimization/43879
637 * tree-ssa-structalias.c (alias_get_name): Use
638 DECL_ASSEMBLER_NAME if available.
639 (create_function_info_for): Return the varinfo node.
640 (ipa_pta_execute): Associate same-body aliases and extra names
641 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
643 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
645 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
648 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
651 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
652 only if HONOR_REG_ALLOC_ORDER is not defined.
654 2010-05-04 Richard Guenther <rguenther@suse.de>
656 PR tree-optimization/43949
657 * tree-vrp.c (extract_range_from_binary_expr): Only handle
660 2010-04-26 Jason Merrill <jason@redhat.com>
662 * c.opt (-fstrict-enums): New.
663 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
665 2010-05-03 David Ung <davidu@mips.com>
666 James E. Wilson <wilson@codesourcery.com>
668 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
669 emit the trap instruction before the divide for TUNE_74K.
671 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
673 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
674 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
675 based on the above, for new target hook.
677 * hooks.c (hook_bool_mode_true): New generic hook.
678 * hooks.h (hook_bool_mode_true): Add prototype.
680 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
682 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
683 target hook, set to hook_bool_mode_false.
684 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
685 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
686 with targetm.small_register_classes_for_mode_p.
687 (find_reusable_reload): Likewise.
688 (combine_reloads): Likewise.
689 * reload1.c (reload_as_needed): Likewise.
690 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
691 * ifcvt.c (noce_process_if_block, check_cond_move_block,
692 dead_or_predicable): Likewise.
693 * regmove.c (optimize_reg_copy_1): Likewise.
694 * calls.c (prepare_call_address): Likewise.
695 (precompute_register_parameters): Likewise.
697 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
699 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
700 implementation of the hook that considers all register classes
701 small except for SH64.
702 (sh_override_options): Use the new hook.
703 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
706 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
708 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
709 implementation of the hook that considers all register classes
711 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
714 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
716 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
717 implementation of the hook that considers all register classes
719 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
722 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
724 * config/m32c/m32c.h: Likewise.
725 * config/pdp11/pdp11.h: Likewise.
726 * config/avr/avr.h: Likewise.
727 * config/xtensa/xtensa.h: Likewise.
728 * config/m68hc11/m68hc11.h: Likewise.
729 * config/mn10300/mn10300.h: Likewise.
730 * config/mcore/mcore.h: Likewise.
731 * config/h8300/h8300.h: Likewise.
732 * config/bfin/bfin.h: Likewise.
734 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
735 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
737 2010-05-03 Anatoly Sokolov <aesok@post.ru>
739 * double-int.h (tree_to_double_int): Remove macro.
740 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
741 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
742 (tree_to_double_int): New function.
743 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
745 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
747 2010-05-03 Richard Guenther <rguenther@suse.de>
749 PR tree-optimization/43971
750 * tree-ssa-structalias.c (get_constraint_for_1): Fix
751 constraints in the !flag_delete_null_pointer_checks case.
753 2010-05-03 Jakub Jelinek <jakub@redhat.com>
756 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
757 result mode matches original rtl mode.
759 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
762 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
764 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
766 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
767 when processing flag options.
769 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
771 * gcov-iov.c (main): Change format string placeholder
772 from %#08x to 0x%08x.
773 * genchecksum.c (dosum): Change format string placeholder
774 from %#02x to 0x%02x.
776 2010-05-02 Richard Guenther <rguenther@suse.de>
778 PR tree-optimization/43879
779 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
781 2010-05-02 Bruno Haible <bruno@clisp.org>
783 * doc/extend.texi (Function Attributes): Fix a typo.
785 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
788 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
789 placeholder from 0x%x to %#x.
790 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
791 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
792 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
793 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
794 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
795 * config/i386/i386.c (ix86_target_string): Ditto.
796 * config/i386/i386.c (output_pic_addr_const): Ditto.
797 (print_operand): Ditto.
799 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
801 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
802 placeholder from 0x%x to %#x.
803 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
804 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
805 (ASM_OUTPUT_DEBUG_DATA): Ditto.
806 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
807 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
808 * optc-gen.awk: Ditto.
809 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
810 (HOST_WIDE_INT_PRINT_HEX): Ditto.
811 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
812 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
814 2010-05-01 Anatoly Sokolov <aesok@post.ru>
816 * target.h (struct calls): Add function_value_regno_p field.
817 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
818 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
819 * targhooks.c (default_function_value_regno_p): New function.
820 * targhooks.h (default_function_value_regno_p): Declare function.
821 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
822 * builtins.c. (apply_result_size): (Ditto.).
823 * combine.c. (likely_spilled_retval_p): (Ditto.).
824 * mode-switching.c. Include 'target.h'.
825 (create_pre_exit): Use function_value_regno_p hook.
826 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
827 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
828 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
830 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
831 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
832 (ix86_function_value_regno_p): Declare as static, change argument
833 type to const unsigned int.
834 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
836 2010-05-01 Richard Guenther <rguenther@suse.de>
838 PR tree-optimization/43949
839 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
841 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
843 2010-05-01 Anatoly Sokolov <aesok@post.ru>
845 * rtl.h (CONST_DOUBLE_P): Define.
846 (rtx_to_double_int): Declare.
847 * emit-rtl.c (rtx_to_double_int): New function.
848 * dwarf2out.c (insert_double): New function.
849 (loc_descriptor, add_const_value_attribute): Clean up, use
850 rtx_to_double_int and insert_double functions.
852 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
854 * doc/extend.texi (Inline): Add missing return keyword to examples.
855 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
858 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
860 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
861 the variable part of the offset as well. Use highest_pow2_factor for
862 all alignment checks.
864 2010-04-30 Richard Guenther <rguenther@suse.de>
866 PR tree-optimization/43879
867 * tree-ssa-structalias.c (type_could_have_pointers): Functions
870 2010-04-30 Jan Hubicka <jh@suse.cz>
872 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
874 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
876 2010-04-30 Jan Hubicka <jh@suse.cz>
878 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
880 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
881 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
882 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
883 cgraph_node_set_needs_ltrans_p): Remove.
885 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
887 * sdbout.c: Include vec.h, do not include varray.h.
888 (deferred_global_decls, sdbout_global_decl,
889 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
890 * toplev.c: Do not include varray.h.
891 (dump_memory_report): Do not dump VARRAY statistics.
892 * gengtype.c (open_base_file): Ignore varray.h.
893 * Makefile.in: Update for abovementioned changes.
894 Remove all traces of varray.c and varray.h.
895 * varray.c: Remove file.
896 * varray.h: Remove file.
898 2010-04-30 Jan Hubicka <jh@suse.cz>
900 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
903 2010-04-30 Jan Hubicka <jh@suse.cz>
905 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
908 2010-04-30 Richard Guenther <rguenther@suse.de>
910 * tree-ssa-structalias.c (get_constraint_for_1): Generate
911 constraints for CONSTRUCTOR.
913 2010-04-30 Richard Guenther <rguenther@suse.de>
916 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
917 first after all lowering passes.
919 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
921 * toplev.c: Include varray.h for statistics dumping.
922 * tree.h: Do not declare varray_head_tag.
923 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
924 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
925 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
926 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
927 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
928 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
929 c-common.c, c-common.h, reg-stack.c, basic-block.h,
930 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
932 * Makefile.in: Update for abovementioned changes.
934 2010-04-30 Jakub Jelinek <jakub@redhat.com>
937 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
939 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
941 * config/picochip/picochip.c (picochip_legitimize_address): Define.
942 Use this function to do machine-specific conversion.
943 (picochip_legitimize_reload_address): Likewise.
944 (picochip_legitimate_address_p): Check valid base register only if
946 (picochip_check_conditional_copy): Check for modw only if opnd is
948 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
949 to call the function in c.
950 * config/picochip/picochip-protos.h
951 (picochip_legitimize_reload_address): Define.
952 * config/picochip/picochip.md (supported_compare1): Define.
954 2010-04-30 Jan Hubicka <jh@suse.cz>
956 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
957 (cgraph_global_info): Remove inlined.
958 (LTO_cgraph_tag_names): Remove.
959 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
960 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
961 simplify cgraph tags and document.
962 (lto_output_node): Use only LTO_cgraph_unavail_node and
963 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
964 for_functions_valid, global info, process and output flags.
965 (input_overwrite_node): Initialize estimated stack size and
966 estimated growth. Do not read flags we no longer store.
967 (input_node): Likewise do not read info no longer stored.
968 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
971 2010-04-30 Richard Guenther <rguenther@suse.de>
973 PR tree-optimization/43879
974 * tree-ssa-structalias.c (get_constraint_for_1): Properly
975 handle non-zero initializers.
977 2010-04-30 Richard Guenther <rguenther@suse.de>
979 * builtins.c (fold_builtin_1): Delete free (0).
981 2010-04-29 Jan Hubicka <jh@suse.cz>
983 * gengtype.c (open_base_files): Add lto-streamer.h
984 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
985 (pass_ipa_cp): GGC collect.
986 * toplev. (compile_file): Do not output symbols.
987 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
988 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
989 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
990 * lto-section-in.c: Include ggc.h
991 (lto_new_in_decl_state): Alloc in GGC.
992 (lto_delete_in_decl_state): Likewise.
993 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
996 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
999 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1000 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
1001 (HONOR_REG_ALLOC_ORDER): Describe new macro.
1002 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1003 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1004 account only if HONOR_REG_ALLOC_ORDER is not defined.
1005 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1006 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1008 2010-04-29 Jon Grant <04@jguk.org>
1010 * collect2.c (vflag): Change type from int to bool.
1012 (helpflag): New global bool.
1013 (main): Set vflag and debug with boolean, not integer truth values.
1014 Accept new "--help" option and output usage text if found.
1015 * collect2.h (vflag): Update prototype.
1018 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
1021 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1023 2010-04-29 Richard Guenther <rguenther@suse.de>
1026 * plugin.h (invoke_plugin_callbacks): Annotate arguments
1027 with ATTRIBUTE_UNUSED.
1029 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
1032 * config/i386/i386.c (get_some_local_dynamic_name): Replace
1033 INSN_P with NONDEBUG_INSN_P.
1034 (distance_non_agu_define): Likewise.
1035 (distance_agu_use): Likewise.
1037 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
1039 From Dominique d'Humieres <dominiq@lps.ens.fr>
1041 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1044 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
1046 * plugin.h (invoke_plugin_callbacks): New inline function.
1047 * plugin.c (flag_plugin_added): New global flag.
1048 (add_new_plugin): Initialize above flag.
1049 (invoke_plugin_callbacks): Rename to ...
1050 (invoke_plugin_callbacks_full): ... this.
1052 2010-04-28 Jan Hubicka <jh@suse.cz>
1054 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1055 (lto_varpool_replace_node): New.
1056 (lto_symtab_resolve_symbols): Resolve varpool nodes.
1057 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1058 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1059 * cgraph.h (varpool_node_ptr): New type.
1060 (varpool_node_ptr): New vector.
1061 (varpool_node_set_def): New structure.
1062 (varpool_node_set): New type.
1063 (varpool_node_set): New vector.
1064 (varpool_node_set_element_def): New structure.
1065 (varpool_node_set_element, const_varpool_node_set_element): New types.
1066 (varpool_node_set_iterator): New type.
1067 (varpool_node): Add prev pointers, add used_from_other_partition,
1069 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1070 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1071 varpool_get_node, varpool_remove_node): Declare.
1072 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1073 varpool_node_set_size): New inlines.
1074 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1075 * tree-pass.h (varpool_node_set_def): Forward declare.
1076 (ipa_opt_pass_d): Summary writting takes vnode sets too.
1077 (ipa_write_optimization_summaries): Update prototype.
1078 * ipa-cp.c (ipcp_write_summary): Update.
1079 * ipa-reference.c (ipa_reference_write_summary): Update.
1080 * lto-cgraph.c (lto_output_varpool_node): New static function.
1081 (output_varpool): New function.
1082 (input_varpool_node): New static function.
1083 (input_varpool_1): New function.
1084 (input_cgraph): Input varpool.
1085 * ipa-pure-const.c (pure_const_write_summary): Update.
1086 * lto-streamer-out.c (lto_output): Update, output varpool too.
1087 (write_global_stream): Kill WPA hack.
1088 (produce_asm_for_decls): Update.
1089 (output_alias_pair_p): Handle variables.
1090 (output_unreferenced_globals): Output only needed partition of varpool.
1091 * ipa-inline.c (inline_write_summary): Update.
1092 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1094 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1095 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1096 varpool_node_set_new, varpool_node_set_add,
1097 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1098 debug_varpool_node_set): New functions.
1099 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1100 (execute_one_pass): Process new decls too.
1101 (ipa_write_summaries_2): Pass around vsets.
1102 (ipa_write_summaries_1): Likewise.
1103 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1105 (ipa_write_optimization_summaries_1): Pass around vsets.
1106 (ipa_write_optimization_summaries): Likewise.
1107 * varpool.c (varpool_get_node): New.
1108 (varpool_node): Update doubly linked lists.
1109 (varpool_remove_node): New.
1110 (dump_varpool_node): More dumping.
1111 (varpool_enqueue_needed_node): Update doubly linked lists.
1112 (decide_is_variable_needed): Kill ltrans hack.
1113 (varpool_finalize_decl): Kill lto hack.
1114 (varpool_assemble_decl): Skip decls in other partitions.
1115 (varpool_assemble_pending_decls): Update doubly linkes lists.
1116 (varpool_empty_needed_queue): Likewise.
1117 (varpool_extra_name_alias): Likewise.
1118 * lto-streamer.c (lto_get_section_name): Add vars section.
1119 * lto-streamer.h (lto_section_type): Update.
1120 (output_varpool, input_varpool): Declare.
1122 2010-04-28 Mike Stump <mikestump@comcast.net>
1124 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1126 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1128 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1129 record or union type with RECORD_OR_UNION_TYPE_P predicate.
1130 (lto_input_ts_type_tree_pointers): Likewise.
1131 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1132 (lto_output_ts_type_tree_pointers): Likewise.
1134 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1136 Uniquization of constants at the Tree level
1137 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1138 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1140 (tree_output_constant_def): Declare.
1141 * gimplify.c (gimplify_init_constructor): When using block copy, first
1142 uniquize the constant constructor on the RHS.
1143 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1144 DECL_IN_CONSTANT_POOL flag.
1145 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1146 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1148 (assemble_variable): Deal with symbols belonging to the tree constant
1150 (get_constant_section): Add ALIGN parameter and simplify.
1151 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1152 (assemble_constant_contents): Use the expression of the VAR_DECL.
1153 (output_constant_def_contents): Use the alignment of the VAR_DECL.
1154 (tree_output_constant_def): New global function.
1155 (mark_constant): Use the expression of the VAR_DECL.
1156 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1158 (output_object_block): Likewise and assemble the expression.
1160 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1162 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1163 hash_tree, eq_tree): New tree hash table.
1164 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1165 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1166 lto_orig_address_remove): Reimplement.
1168 2010-04-28 Xinliang David Li <davidxl@google.com>
1171 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1172 (compute_uninit_opnds_pos): New function.
1173 (is_non_loop_exit_postdominating): New function.
1174 (compute_control_dep_chain): New function.
1175 (find_pdom): New function.
1176 (convert_control_dep_chain_into_preds): New function.
1177 (find_predicates): New function.
1178 (find_control_equiv_block): New function.
1179 (collect_phi_def_edges): New function.
1180 (find_def_preds): New function.
1181 (find_dom): New function.
1182 (dump_predicates): New function.
1183 (get_cmp_code): New function.
1184 (is_value_included_in): New function.
1185 (find_matching_predicate_in_rest_chains): New function.
1186 (use_pred_not_overlap_with_undef_path_pred): New function.
1187 (is_use_properly_guarded): New function.
1188 (normalize_cond_1): New function.
1189 (is_and_or_or): New function.
1190 (normalize_cond): New function.
1191 (is_gcond_subset_of): New function.
1192 (is_subset_of_any): New function.
1193 (is_or_set_subset_of): New function.
1194 (is_and_set_subset_of): New function.
1195 (is_norm_cond_subset_of): New function.
1196 (is_pred_expr_subset_of): New function.
1197 (is_pred_chain_subset_of): New function.
1198 (is_included_in): New function.
1199 (is_superset_of): New function.
1200 (find_uninit_use): New function.
1201 (warn_uninitialized_phi): New function.
1202 (compute_possibly_undefined_names): New function.
1203 (ssa_undefined_value_p): New function.
1204 (execute_late_warn_uninitialized): New function.
1205 * tree-ssa.c (ssa_undefined_value_p): Removed.
1206 (warn_uninit): Changed to extern.
1207 (warn_uninitialized_phi): Removed.
1208 (warn_uninitialized_vars): Changed to extern.
1209 (execute_late_warn_uninitialized): Removed
1210 * tree-flow.h: Add new prototypes.
1211 * timevar.def: Add new time variable.
1212 * Makefile.in: Add new build file.
1214 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
1216 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1219 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1222 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1224 2010-04-28 Martin Jambor <mjambor@suse.cz>
1226 * cgraph.h (struct cgraph_node): New field indirect_calls.
1227 (struct cgraph_indirect_call_info): New type.
1228 (struct cgraph_edge): Removed field indirect_call. New fields
1229 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1230 (cgraph_create_indirect_edge): Declare.
1231 (cgraph_make_edge_direct): Likewise.
1232 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1233 * ipa-prop.h (struct ipa_param_call_note): Removed.
1234 (struct ipa_node_params): Removed field param_calls.
1235 (ipa_create_all_structures_for_iinln): Declare.
1236 * cgraph.c: Described indirect edges and uids in initial comment.
1237 (cgraph_add_edge_to_call_site_hash): New function.
1238 (cgraph_edge): Search also among the indirect edges, use
1239 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1240 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1241 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1243 (initialize_inline_failed): Assign a reason to indirect edges.
1244 (cgraph_create_edge_1): New function.
1245 (cgraph_create_edge): Moved some functionality to
1246 cgraph_create_edge_1.
1247 (cgraph_create_indirect_edge): New function.
1248 (cgraph_edge_remove_callee): Add an assert checking for
1250 (cgraph_edge_remove_caller): Special-case indirect edges.
1251 (cgraph_remove_edge): Likewise.
1252 (cgraph_set_edge_callee): New function.
1253 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1254 (cgraph_make_edge_direct): New function.
1255 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1256 the declaration of the call statement matches.
1257 (cgraph_node_remove_callees): Special-case indirect edges.
1258 (cgraph_clone_edge): Likewise.
1259 (cgraph_clone_node): Clone also the indirect edges.
1260 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1261 indirect_call, dump count of indirect_calls edges.
1262 * ipa-prop.c (iinlining_processed_edges): New variable.
1263 (ipa_note_param_call): Create indirect edges instead of
1264 creating notes. New parameter node.
1265 (ipa_analyze_call_uses): New parameter node, pass it on to
1266 ipa_note_param_call.
1267 (ipa_analyze_stmt_uses): Likewise.
1268 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1269 (print_edge_addition_message): Work on edges rather than on notes.
1270 (update_call_notes_after_inlining): Likewise, renamed to
1271 update_indirect_edges_after_inlining.
1272 (ipa_create_all_structures_for_iinln): New function.
1273 (ipa_free_node_params_substructures): Do not free notes.
1274 (ipa_edge_duplication_hook): Propagate bits within
1275 iinlining_processed_edges bitmap.
1276 (ipa_node_duplication_hook): Do not duplicate notes.
1277 (free_all_ipa_structures_after_ipa_cp): Renamed to
1278 ipa_free_all_structures_after_ipa_cp.
1279 (free_all_ipa_structures_after_iinln): Renamed to
1280 ipa_free_all_structures_after_iinln.g
1281 (ipa_write_param_call_note): Removed.
1282 (ipa_read_param_call_note): Removed.
1283 (ipa_write_indirect_edge_info): New function.
1284 (ipa_read_indirect_edge_info): Likewise.
1285 (ipa_write_node_info): Do not stream notes, do stream information
1287 (ipa_read_node_info): Likewise.
1288 (lto_ipa_fixup_call_notes): Removed.
1289 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1290 * ipa-inline.c (pass_ipa_inline): Likewise.
1291 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1292 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1293 * tree-inline.c (copy_bb): Removed an unnecessary double check for
1295 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1297 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1298 (output_cgraph): Stream also indirect edges.
1299 (lto_output_edge): Added capability to stream indirect edges.
1300 (input_edge): Likewise.
1301 (input_cgraph_1): Likewise.
1302 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1305 2010-04-28 Richard Guenther <rguenther@suse.de>
1307 PR tree-optimization/43879
1308 PR tree-optimization/43909
1309 * tree-ssa-structalias.c (struct variable_info): Add
1310 only_restrict_pointers flag.
1311 (new_var_info): Initialize it. Increment stats.total_vars here.
1312 (create_function_info_for): Do not increment stats.total_vars
1314 (get_function_part_constraint): Fix build with C++.
1315 (insert_into_field_list): Remove.
1316 (push_fields_onto_fieldstack): Properly merge fields.
1317 (create_variable_info_for): Split and simplify.
1318 (create_variable_info_for_1): New piece.
1319 (intra_create_variable_infos): Properly make restrict constraints
1322 2010-04-28 Richard Guenther <rguenther@suse.de>
1325 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1327 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
1328 Jan Hubicka <hubicka@ucw.cz>
1330 * doc/invoke.texi (-Wsuggest-attribute=const,
1331 -Wsuggest-attribute=pure): Document.
1332 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1333 (function_always_visible_to_compiler_p,
1334 suggest_attribute, warn_function_pure, warn_function_const):
1336 (check_call): Improve debug info.
1337 (analyze_function): Do not check availability.
1338 (add_new_function): Check availability.
1339 (propagate): Output warnings.
1340 (skip_function_for_local_pure_const): New function.
1341 (local_pure_const): Use it; output warnings.
1342 * common.opt (Wsuggest-attribute=const,
1343 Wsuggest-attribute=pure): New.
1345 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1347 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1348 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1349 or DW_CFA_def_cfa_offset{,_sf}.
1351 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1353 * tree.h: Fix truncated long macros.
1355 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
1357 * collect2.c (TARGET_64BIT): Redefine to target's default.
1358 * tlink.c: Likewise.
1359 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1360 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1361 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1362 for underscoring __USER_LABEL_PREFIX__.
1363 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1364 (SUB_LINK_ENTRY32): New.
1365 (SUB_LINK_ENTRY64): New.
1366 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1367 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1368 (SUB_LINK_ENTRY64): New.
1369 (SUB_LINK_ENTRY): New.
1370 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1371 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1372 x64 target is choosen.
1373 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1374 * configure: Regenerated.
1375 * configure.ac (leading-mingw64-underscores): Option added.
1377 2010-04-27 Jan Hubicka <jh@suse.cz>
1379 * doc/invoke.texi (-fipa-profile): Document.
1380 * opts.c (decode_options): Enable ipa-profile at -O1.
1381 * timevar.def (TV_IPA_PROFILE): Define.
1382 * common.opt (fipa-profile): Add.
1383 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1385 (cgraph_propagate_frequency): Handle only local ones.
1386 * tree-pass.h (pass_ipa_profile): Declare.
1387 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1388 (pass_ipa_profile): Use TV_IPA_PROFILE.
1389 * ipa.c (ipa_profile): New function.
1390 (gate_ipa_profile): Likewise.
1391 (pass_ipa_profile): New global variable.
1392 * passes.c (pass_ipa_profile): New.
1394 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
1396 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1398 2010-04-27 Martin Jambor <mjambor@suse.cz>
1401 * ipa.c (dissolve_same_comdat_group_list): New function.
1402 (function_and_variable_visibility): Call
1403 dissolve_same_comdat_group_list when comdat group contains external or
1405 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1406 lists are circular and that they contain only DECL_ONE_ONLY nodes.
1408 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1410 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1411 (const_hash_1) <VECTOR_CST>: New case.
1412 (compare_constant) <VECTOR_CST>: Likewise.
1413 <ADDR_EXPR>: Deal with LABEL_REFs.
1414 (copy_constant) <VECTOR_CST>: New case.
1416 2010-04-27 Jan Hubicka <jh@suse.cz>
1418 * cgraph.c (cgraph_propagate_frequency): New function.
1419 * cgraph.h (cgraph_propagate_frequency): Declare.
1420 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1421 cgraph_propagate_frequency.
1423 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1425 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1427 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
1430 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1431 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1432 here to determine which regs to push and how much stack to reserve.
1434 2010-04-27 Jie Zhang <jie@codesourcery.com>
1436 * doc/gimple.texi (gimple_statement_with_ops): Remove
1437 addresses_taken field.
1438 (gimple_statement_with_memory_ops): Likewise.
1440 2010-04-27 Jan Hubicka <jh@suse.cz>
1442 * tree-inline.c (eni_inlining_weights): Remove.
1443 (estimate_num_insns): Special case more builtins.
1445 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
1448 * c-typeck.c (build_binary_op): Move forward check for comparison
1449 pointer with null pointer constant and adjust the diagnostic message.
1451 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
1454 * configure.ac (gcc_cv_as_section_has_align): Set if installed
1455 binutils supports extended .section directive needed by LTO, or
1456 warn if older binutils found.
1457 (LTO_BINARY_READER): New AC_SUBST'd variable.
1458 (LTO_USE_LIBELF): Likewise.
1459 * gcc/config.gcc (lto_binary_reader): New target-specific configure
1461 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1462 (LTO_USE_LIBELF): Likewise.
1463 * configure: Regenerate.
1465 * collect2.c (is_elf): Rename from this ...
1466 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1467 object files in addition to ELF-formatted ones.
1468 (scan_prog_file): Caller updated. Also allow for LTO info marker
1469 symbol to be prefixed or not by an extra underscore.
1471 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1472 * config/i386/winnt.c: Also #include lto-streamer.h
1473 (i386_pe_asm_named_section): Specify 1-byte section alignment for
1475 (i386_pe_asm_output_aligned_decl_common): Add comment.
1476 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1478 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
1481 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1482 Add missing earlyclobber for second alternative.
1484 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
1486 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1487 bits for artificial defs at the top of the block.
1488 * fwprop.c (single_def_use_enter_block): Don't call it.
1490 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
1493 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1494 instead of "$gcc_cv_objdump -T".
1495 Use "-undefined dynamic_lookup" on darwin.
1496 * gcc/configure: Regenerate.
1498 2010-04-26 Jakub Jelinek <jakub@redhat.com>
1501 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1503 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1505 * c-parser.c (struct c_token): Move location field up.
1506 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1507 (struct c_declspecs): Convert typespec_word, storage_class, and
1508 default_int_p into bitfields.
1509 (struct c_declarator): Move loc field up.
1511 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1513 * cfgloop.h (struct loop): Move can_be_parallel field up.
1514 * ipa-prop.h (struct ip_node_params): Move bitfields up.
1515 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1517 (struct iv_cand): Convert pos field into a bitfield.
1518 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1520 (struct _stmt_vec_info): Shuffle fields for better packing.
1522 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1524 * varasm.c (IN_NAMED_SECTION): Remove guard.
1525 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1526 (IN_NAMED_SECTION_P): ...this.
1527 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1528 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1530 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1532 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1533 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
1534 of shadowing it. Fix comments.
1536 2010-04-26 Jan Hubicka <jh@suse.cz>
1538 * cgraph.c (cgraph_create_node): Set node frequency to normal.
1539 (cgraph_clone_node): Copy function frequency.
1540 * cgraph.h (node_frequency): New enum
1541 (struct cgraph_node): Add.
1542 * final.c (rest_of_clean_state): Update.
1543 * lto-cgraph.c (lto_output_node): Output node frequency.
1544 (input_overwrite_node): Input node frequency.
1545 * tre-ssa-loop-ivopts (computation_cost): Update.
1546 * lto-streamer-out.c (output_function): Do not output function
1548 * predict.c (maybe_hot_frequency_p): Update and handle functions
1550 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1552 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1553 (compute_function_frequency): Set noreturn functions to be executed
1555 (choose_function_section): Update.
1556 * lto-streamer-in.c (input_function): Do not input function frequency.
1557 * function.c (allocate_struct_function): Do not initialize function
1559 * function.h (function_frequency): Remove.
1560 (struct function): Remove function frequency.
1561 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1562 (try_update): Update.
1563 * tree-inline.c (initialize_cfun): Do not update function frequency.
1564 * passes.c (pass_init_dump_file): Update.
1565 * i386.c (ix86_compute_frame_layout): Update.
1566 (ix86_pad_returns): Update.
1568 2010-04-26 Jie Zhang <jie@codesourcery.com>
1570 PR tree-optimization/43833
1571 * tree-vrp.c (range_int_cst_p): New.
1572 (range_int_cst_singleton_p): New.
1573 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1574 when both operands are constants. Use range_int_cst_p in
1577 2010-04-26 Jan Hubicka <jh@suse.cz>
1579 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1581 2010-04-26 Richard Guenther <rguenther@suse.de>
1584 * gimple.c (gimple_decl_printable_name): Deal gracefully
1585 with a NULL DECL_NAME.
1587 2010-04-26 Richard Guenther <rguenther@suse.de>
1590 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1591 if emitting debug information and it is either a function
1592 or a namespace decl.
1594 2010-04-26 Ira Rosen <irar@il.ibm.com>
1596 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1597 determine if the statement is vectorizable, and a macro to access it.
1598 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1599 Skip statements that can't be vectorized. If the analysis fails,
1600 mark the statement as unvectorizable if vectorizing basic block.
1601 (vect_compute_data_refs_alignment): Likewise.
1602 (vect_verify_datarefs_alignment): Skip statements marked as
1603 unvectorizable. Add print.
1604 (vect_analyze_group_access): Skip statements that can't be
1605 vectorized. If the analysis fails, mark the statement as
1606 unvectorizable if vectorizing basic block.
1607 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1608 * tree-vect-stmts.c (vectorizable_store): Fix the number of
1609 generated stmts for SLP.
1610 (new_stmt_vec_info): Initialize the new field.
1611 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1612 statements marked as unvectorizable.
1614 2010-04-25 Joseph Myers <joseph@codesourcery.com>
1616 * c-common.c (flag_isoc1x): New.
1617 (flag_isoc99): Update comment.
1618 * c-common.h (flag_isoc1x): New.
1619 (flag_isoc99): Update comment.
1620 * c-cppbuiltin.c (builtin_define_float_constants): Also define
1621 __<type>_DECIMAL_DIG__.
1622 * c-opts.c (set_std_c1x): New.
1623 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1624 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1625 * c.opt (-std=c1x, -std=gnu1x): New options.
1626 * doc/cpp.texi: Mention -std=c1x.
1627 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1628 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1629 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1630 * doc/standards.texi: Mention C1X.
1631 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1632 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1633 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1636 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
1638 * config/i386/gmon-sol2.c (_mcleanup): Change format string
1639 placeholder from 0x%x to %#x.
1640 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1641 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1642 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1643 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1644 * config/i386/i386.c (ix86_target_string): Ditto.
1645 (output_pic_addr_const): Ditto.
1646 (print_operand): Ditto.
1648 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
1650 * combine.c (find_split_point): Add third argument. Use it
1651 to find nested multiply-accumulate instructions. Adjust calls.
1652 (try_combine): Adjust call to find_split_point.
1654 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
1656 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1658 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
1660 PR tree-optimization/41442
1661 * fold-const.c (merge_truthop_with_opposite_arm): New function.
1662 (fold_binary_loc): Call it.
1664 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1666 * toplev.c (general_init): Set default for fdiagnostics-show-option.
1667 * opts.c (common_handle_option): Allow disabling it.
1668 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1670 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
1672 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1673 between modes if both types are integral.
1675 2010-04-23 Richard Guenther <rguenther@suse.de>
1677 PR tree-optimization/43572
1678 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1680 2010-04-23 Richard Guenther <rguenther@suse.de>
1683 * tree-inline.c (tree_can_inline_p): Also check compatibility
1686 2010-04-23 Martin Jambor <mjambor@suse.cz>
1688 PR tree-optimization/43846
1689 * tree-sra.c (struct access): New flag grp_assignment_read.
1690 (build_accesses_from_assign): Set grp_assignment_read.
1691 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1692 (enum mark_read_status): New type.
1693 (analyze_access_subtree): Propagate grp_assignment_read, create
1694 accesses also if both direct_read and root->grp_assignment_read.
1696 2010-04-23 Martin Jambor <mjambor@suse.cz>
1699 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1700 function does not have type attributes.
1702 2010-04-23 Richard Guenther <rguenther@suse.de>
1705 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1708 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1710 * sese.h (create_if_region_on_edge): Remove.
1712 * sese.c (create_if_region_on_edge): Make static.
1714 * tree-inline.c: Do not include ggc.h.
1716 * expr.c: Do not include ggc.h.
1718 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1721 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
1724 * config/sh/sh.c (find_barrier): Don't emit a constant pool
1725 in the middle of insns for casesi_worker_2.
1727 2010-04-22 David Edelsohn <edelsohn@gnu.org>
1729 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1731 2010-04-22 Ira Rosen <irar@il.ibm.com>
1733 PR tree-optimization/43842
1734 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1735 loop unrolling in update of exit phis. Fix comment.
1736 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1737 least two reduction statements in the loop before starting SLP
1740 2010-04-22 Nick Clifton <nickc@redhat.com>
1742 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1744 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
1746 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1749 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1751 * tree-parloops.c (loop_parallel_p): New argument
1752 parloop_obstack. Pass it down.
1753 (parallelize_loops): New variable parloop_obstack. Initialize it,
1754 pass it down, free it.
1756 * tree-loop-linear.c (linear_transform_loops): Pass down
1759 * tree-data-ref.h (lambda_compute_access_matrices): New argument
1760 of type struct obstack *.
1762 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1763 scratch_obstack. Initialize it, pass down, free it.
1765 * lambda.h (lambda_loop_new): Remove.
1766 (lambda_matrix_new, lambda_matrix_inverse)
1767 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1768 argument of type struct obstack *.
1770 * lambda-trans.c (lambda_trans_matrix_new): New argument
1771 lambda_obstack. Pass it down, use obstack allocation for ret.
1772 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
1775 * lambda-mat.c (lambda_matrix_get_column)
1776 (lambda_matrix_project_to_null): Remove.
1777 (lambda_matrix_new): New argument lambda_obstack. Use obstack
1779 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1782 * lambda-code.c (lambda_loop_new): New function.
1783 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1784 (lambda_compute_auxillary_space, lambda_compute_target_space)
1785 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1786 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1787 (build_access_matrix): New argument lambda_obstack. Use obstack
1789 (lambda_compute_step_signs, lambda_compute_access_matrices): New
1790 argument lambda_obstack. Pass it down.
1792 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1794 * optabs.h (expand_widening_mult): Declare.
1796 2010-04-22 Richard Guenther <rguenther@suse.de>
1798 PR tree-optimization/43845
1799 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1800 lookup the CALL_EXPR function and arguments.
1802 2010-04-22 Nick Clifton <nickc@redhat.com>
1804 * config/stormy16/stormy16.c
1805 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1806 * config/stormy16/stormy16.h: Tidy up formatting.
1807 (DONT_USE_BUILTIN_SETJMP): Remove definition.
1808 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1809 (ineqbranchsi): Delete pattern.
1810 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1811 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1812 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1813 stormy16-lib2-ucmpsi2.c.
1815 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1817 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1818 df_simulate_find_noclobber_defs as appropriate. Keep track of an
1819 extra set merge_set_noclobber, and use it to relax the final test
1821 * df.h (df_simulate_find_noclobber_defs): Declare.
1822 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1824 (df_simulate_find_noclobber_defs): New function.
1826 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
1828 * config/i386/i386.md: Use {} around multi-line preparation statements.
1830 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1832 * c-tree.h (push_init_level, pop_init_level, set_init_index)
1833 (process_init_element): New argument of type struct obstack *.
1835 * c-typeck.c (push_init_level, pop_init_level, set_designator)
1836 (set_init_index, set_init_label, set_nonincremental_init)
1837 (set_nonincremental_init_from_string, find_init_member)
1838 (output_init_element, output_pending_init_elements)
1839 (process_init_element): New argument braced_init_obstack. Pass it
1841 (push_range_stack, add_pending_init): New argument
1842 braced_init_obstack. Use obstack allocation.
1844 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1845 braced_init_obstack. Pass it down.
1846 (c_parser_braced_init): New variables ret, braced_init_obstack.
1847 Initialize obstack, pass it down and finally free it.
1849 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1852 * tree-pass.h (pass_optimize_widening_mul): Declare.
1853 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1854 gate_optimize_widening_mul): New static functions.
1855 (pass_optimize_widening_mul): New.
1856 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1857 <case MULT_EXPR>: Remove support for widening multiplies.
1858 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1859 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1860 simplify_gen_unary rather than directly building extensions.
1861 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1863 * expmed.c (expand_widening_mult): New function.
1864 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1866 2010-04-21 Jan Hubicka <jh@suse.cz>
1868 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1869 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1870 * lto-wpa-fixup.c: Remove.
1871 * Makefile.in (lto-wpa-fixup.o): Remove.
1872 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1873 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1874 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1876 2010-04-21 Jan Hubicka <jh@suse.cz>
1878 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1879 add write_optimization_summary, read_optimization_summary.
1880 (ipa_write_summaries_of_cgraph_node_set): Remove.
1881 (ipa_write_optimization_summaries): Declare.
1882 (ipa_read_optimization_summaries): Declare.
1883 * ipa-cp.c (pass_ipa_cp): Update.
1884 * ipa-reference.c (pass_ipa_reference): Update.
1885 * ipa-pure-const.c (pass_ipa_pure_const): Update.
1886 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1888 * ipa-inline.c (pass_ipa_inline): Update.
1889 * ipa.c (pass_ipa_whole_program): Update.
1890 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1891 * passes.c (ipa_write_summaries_1): Do not test wpa.
1892 (ipa_write_optimization_summaries_1): New.
1893 (ipa_write_optimization_summaries): New.
1894 (ipa_read_summaries): Do not test ltrans.
1895 (ipa_read_optimization_summaries_1): New.
1896 (ipa_read_optimization_summaries): New.
1898 2010-04-21 Jan Hubicka <jh@suse.cz>
1900 * lto-cgraph.c (lto_output_node): Do not output comdat groups
1902 (output_cgraph): Do not arrange comdat groups for boundary nodes.
1904 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1907 * dwarf2out.c (add_name_and_src_coords_attributes): Add
1908 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1910 2010-04-21 Jan Hubicka <jh@suse.cz>
1912 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1914 2010-04-21 Jan Hubicka <jh@suse.cz>
1916 * varpool.c (decide_is_variable_needed): Variable is always needed
1919 2010-04-21 Jan Hubicka <jh@suse.cz>
1921 * opts.c (decode_options): Enable pure-const pass for whopr.
1923 2010-04-21 Jan Hubicka <jh@suse.cz>
1925 * cgraph.c (dump_cgraph_node): Dump also assembler name.
1926 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1928 (cgraph_decide_inlining): Do not expect callee to be removed in all
1931 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
1933 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1935 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1937 * config/i386/i386.md (x86_shrd): Add athlon_decode and
1938 amdfam10_decode attributes.
1940 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1943 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1944 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1945 (lower_copyprivate_clauses): Use private var in outer
1946 context instead of original var. Make sure the types
1947 are correct for VLAs.
1949 2010-04-21 Richard Guenther <rguenther@suse.de>
1951 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1952 to non-pointer objects.
1954 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1956 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
1957 last chain entry if it starts with the still current label.
1958 (add_location_or_const_value_attribute): Check that
1959 loc_list->first->next is NULL instead of comparing ->first with ->last.
1960 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1961 to add_var_loc_to_decl.
1963 * dwarf2out.c (output_call_frame_info): For dw_cie_version
1964 >= 4 add also address size and segment size fields into CIE header.
1966 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1967 long as address size is the same as sizeof (void *) and
1969 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
1970 address size or segment size is unexpected, return DW_EH_PE_omit.
1971 (classify_object_over_fdes): If get_cie_encoding returned
1972 DW_EH_PE_omit, return -1.
1973 (init_object): If classify_object_over_fdes returned -1,
1974 pretend there were no FDEs at all.
1976 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
1978 * config/i386/i386.md (bswap<mode>2): Macroize expander from
1979 bswap{si,di}2 using SWI48 mode iterator.
1980 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1981 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
1982 set modrm attribute of bswap insn to 0 and remove length attribute.
1983 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1984 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
1985 set mode attribute to <MODE> and remove length attribute.
1987 2010-04-20 James E. Wilson <wilson@codesourcery.com>
1989 PR rtl-optimization/43520
1990 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1991 zero available registers.
1993 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1995 * builtins.c (fold_builtin_cproj): Fold more cases.
1997 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1999 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2000 (fold_builtin_1): Fold builtin cproj.
2001 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2002 Use ATTR_CONST_NOTHROW_LIST.
2004 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
2006 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2007 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
2008 ffsi2_no_cmove for !TARGET_CMOVE.
2009 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
2010 (ffssi2): Remove expander.
2011 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2013 (ctz<mode>2): Ditto from ctz{si,di}2.
2014 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2016 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2019 2010-04-20 Jakub Jelinek <jakub@redhat.com>
2021 * dwarf2out.c (AT_linkage_name): Define.
2022 (clone_as_declaration): Handle DW_AT_linkage_name.
2023 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2024 of DW_AT_MIPS_linkage_name.
2025 (move_linkage_attr): Likewise.
2026 (dwarf2out_finish): Likewise.
2028 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
2031 * fold-const.c (fold_comparison): New folding rule.
2033 2010-04-20 Anatoly Sokolov <aesok@post.ru>
2035 * double-int.h (double_int_setbit): Declare.
2036 * double-int.c (double_int_setbit): New function.
2037 * rtl.h (immed_double_int_const): Declare.
2038 * emit-rtl.c (immed_double_int_const): New function.
2039 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2040 and immed_double_int_const functions.
2041 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2042 expand_copysign_bit): (Ditto.).
2043 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2044 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2045 * dojump.c (prefer_and_bit_test): (Ditto.).
2046 * expr.c (convert_modes, reduce_to_bit_field_precision,
2047 const_vector_from_tree): (Ditto.).
2048 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2050 2010-04-20 Jan Hubicka <jh@suse.cz>
2052 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2053 (dump_cgraph_node): Dump new flags.
2054 * cgraph.h (struct cgraph_node): Add flags
2055 reachable_from_other_partition and in_other_partition.
2056 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2057 other partition can not be removed.
2058 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2059 the other partition must be output; silence sanity checking on
2060 leaking functions bodies from other paritition.
2061 * lto-cgraph.c (reachable_from_other_partition_p): New function.
2062 (lto_output_node): Output new flags; do not sanity check that inline
2063 clones are output; drop lto_forced_extern_inline_p code; do not mock
2064 visibility flags at partition boundaries.
2065 (add_node_to): New function.
2066 (output_cgraph): Use it to sort functions so masters appear before
2068 (input_overwrite_node): Input new flags.
2069 * passes.c (ipa_write_summaries): Do not call
2070 lto_new_extern_inline_states.
2071 * lto-section-out.c (forced_extern_inline,
2072 lto_new_extern_inline_states lto_delete_extern_inline_states,
2073 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2074 * lto-streamer.h (lto_new_extern_inline_states,
2075 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2076 lto_forced_extern_inline_p): Kill.
2078 2010-04-20 Richard Guenther <rguenther@suse.de>
2080 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2081 from vars that can have pointers.
2082 (process_constraint): Dump useless constraints.
2084 2010-04-20 Richard Guenther <rguenther@suse.de>
2086 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2087 (dump_sa_points_to_info): Remove asserts.
2088 (init_base_vars): nothing_id isn't an escape point nor does it
2091 2010-04-20 Jakub Jelinek <jakub@redhat.com>
2093 * tree.h (TYPE_REF_IS_RVALUE): Define.
2094 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2095 should_move_die_to_comdat, prune_unused_types_walk): Handle
2096 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2097 (modified_type_die, gen_reference_type_die): Emit
2098 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2099 if TYPE_REF_IS_RVALUE and -gdwarf-4.
2101 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2104 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2105 calls for -fpic -m31 if they have been sibcall optimized.
2107 2010-04-19 James E. Wilson <wilson@codesourcery.com>
2109 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2110 ar.lc fixed and call-used.
2112 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2114 2010-04-19 Jan Hubicka <jh@suse.cz>
2116 * opts.c (decode_options): Disable whpr incompatible passes.
2117 * lto/lto.c (lto_1_to_1_map): Skip clones.
2118 (read_cgraph_and_symbols): Do not mark everything as needed.
2119 (do_whole_program_analysis): Do map only after optimizing;
2120 set proper cgraph_state; use passmanager.
2122 2010-04-19 DJ Delorie <dj@redhat.com>
2124 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2125 POINTER_PLUS_EXPR and fix them.
2127 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
2129 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2130 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2131 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2132 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2133 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2134 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2135 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2136 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2137 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2138 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2139 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2141 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
2143 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2144 (check_cond_move_block): Likewise.
2145 (cond_move_process_if_block): Likewise.
2146 (noce_find_if_block): Improve formatting.
2147 (find_if_header): Pass 0 to memset and tweak conditions.
2148 (cond_exec_find_if_block): Fix long lines and tweak conditions.
2150 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2152 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2156 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2157 with non-local decl doesn't need chain.
2159 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
2161 * ira-color.c (allocno_reload_assign): Avoid accumulating
2162 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2164 2010-04-19 Martin Jambor <mjambor@suse.cz>
2166 * gimple.h (create_tmp_reg): Declare.
2167 * gimplify.c (create_tmp_reg): New function.
2168 (gimplify_return_expr): Use create_tmp_reg.
2169 (gimplify_omp_atomic): Likewise.
2170 (gimple_regimplify_operands): Likewise.
2171 * tree-dfa.c (make_rename_temp): Likewise.
2172 * tree-predcom.c (predcom_tmp_var): Likewise.
2173 (reassociate_to_the_same_stmt): Likewise.
2174 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2175 (get_replaced_param_substitute): Likewise.
2176 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2177 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2178 * tree-ssa-pre.c (get_representative_for): Likewise.
2179 (create_expression_by_pieces): Likewise.
2180 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2181 (create_tailcall_accumulator): Likewise.
2183 2010-04-19 Martin Jambor <mjambor@suse.cz>
2185 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2187 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2189 2010-04-19 Richard Guenther <rguenther@suse.de>
2191 PR tree-optimization/43796
2192 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2193 from SCEV in the lattice.
2194 (vrp_visit_phi_node): Dump change.
2196 2010-04-19 Richard Guenther <rguenther@suse.de>
2198 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2199 * configure: Re-generated.
2201 2010-04-19 Richard Guenther <rguenther@suse.de>
2203 PR tree-optimization/43783
2204 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2205 constant ARRAY_REF operands two and three if possible.
2207 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
2210 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2212 2010-04-19 Jie Zhang <jie@codesourcery.com>
2215 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2217 2010-04-19 Ira Rosen <irar@il.ibm.com>
2219 PR tree-optimization/37027
2220 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2221 and macro to access it.
2222 (vectorizable_reduction): Add argument.
2223 (vect_get_slp_defs): Likewise.
2224 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2225 statements for possible use in SLP.
2226 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2227 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2228 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2230 (vectorizable_reduction): Likewise.
2231 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2233 (vectorizable_type_demotion, vectorizable_type_promotion,
2234 vectorizable_store): Likewise.
2235 (vect_analyze_stmt): Update call to vectorizable_reduction.
2236 (vect_transform_stmt): Likewise.
2237 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2238 (vect_build_slp_tree): Fix indentation. Check that there are no loads
2239 from different interleaving chains in same node.
2240 (vect_slp_rearrange_stmts): New function.
2241 (vect_supported_load_permutation_p): Allow load permutations for
2242 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2243 inside SLP nodes if necessary.
2244 (vect_analyze_slp_instance): Handle reductions.
2245 (vect_analyze_slp): Try to build SLP instances originating from groups
2247 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2248 (vect_get_constant_vectors): Create initial vectors for reductions
2249 according to reduction code. Add new argument.
2250 (vect_get_slp_defs): Add new argument, pass it to
2251 vect_get_constant_vectors.
2252 (vect_schedule_slp_instance): Remove SLP tree root statements.
2254 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2256 * tree.h (ENUM_IS_SCOPED): Define.
2257 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2258 for ENUM_IS_SCOPED enums.
2260 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
2262 * fold-const.c (fold_comparison): Use ssizetype.
2263 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2264 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2265 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2266 * tree-object-size.c (compute_object_sizes): Use size_type_node.
2268 * tree.h (initialize_sizetypes): Remove parameter.
2269 (build_common_tree_nodes): Remove second parameter.
2270 * stor-layout.c (initialize_sizetypes): Remove parameter.
2271 Always create an unsigned type.
2272 (set_sizetype): Assert that the passed type is unsigned and simplify.
2273 * tree.c (build_common_tree_nodes): Remove second parameter.
2274 Adjust call to initialize_sizetypes.
2275 * c-decl.c (c_init_decl_processing): Remove second argument in call to
2276 build_common_tree_nodes.
2278 2010-04-18 Matthias Klose <doko@ubuntu.com>
2280 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2282 2010-04-18 Ira Rosen <irar@il.ibm.com>
2284 PR tree-optimization/43771
2285 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2286 load permutation doesn't have gaps.
2288 2010-04-18 Jan Hubicka <jh@suse.cz>
2290 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2291 (sse_prologue_save_insn expander): Use new pattern.
2292 (sse_prologue_save_insn1): New pattern and splitter.
2293 (sse_prologue_save_insn): Update to deal also with 64bit aligned
2295 * i386.c (setup_incoming_varargs_64): Do not compute jump
2297 (ix86_gimplify_va_arg): Update alignment needed.
2298 (ix86_local_alignment): Do not align all local arrays to 128bit.
2300 2010-04-17 Jan Hubicka <jh@suse.cz>
2302 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2304 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2306 * arm.md (negdi2): Remove redundant code to force values into a
2309 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2311 * arm/bpabi.S: Add EABI alignment attributes to objects.
2312 * arm/bpabi-v6m.S: Likewise.
2313 * arm/crti.asm: Likewise.
2314 * arm/crtn.asm: Likewise.
2315 * arm/lib1funcs.asm: Likewise.
2316 * arm/libunwind.S: Likewise.
2318 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2320 * arm-protos.h (tune_params): New structure.
2321 * arm.c (current_tune): New variable.
2322 (arm_constant_limit): Delete.
2323 (struct processors): Add pointer to the tune parameters.
2324 (arm_slowmul_tune): New tuning option.
2325 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2326 (all_cores): Adjust to pick up the tuning model.
2327 (arm_constant_limit): New function.
2328 (arm_override_options): Select the appropriate tuning model. Delete
2329 initialization of arm_const_limit.
2330 (arm_split_constant): Use the new constant-limit model.
2331 (arm_rtx_costs): Pick up the current tuning model.
2332 * arm.md (is_strongarm, is_xscale): Delete.
2333 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2334 for Xscale variant architectures.
2335 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2337 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2339 * config/arm/arm.c (arm_gen_constant): Remove unused variable
2341 (arm_rtx_costs_1): Remove unused variable extra_cost.
2342 (arm_unwind_emit_set): Use variable offset.
2343 (thumb1_output_casesi): Remove unused variable flags.
2345 2010-04-16 Jeff Law <law@redhat.com>
2347 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2348 needing assignment rather than doing a two-phase assignment. Remove
2349 unused variable 'm'.
2351 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2354 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2356 2010-04-16 Doug Kwan <dougkwan@google.com>
2358 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2359 (next_operand_entry_id): New static variable.
2360 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2361 (add_to_ops_vec): Assigned unique ID to operand entry.
2362 (struct oecount_s): New field ID.
2363 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2364 (undistribute_ops_list): Assign unique IDs to oecounts.
2365 (init_reassoc): reset next_operand_entry_id.
2367 2010-04-16 Doug Kwan <dougkwan@google.com>
2369 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2370 missing left parenthesis.
2372 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
2374 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2375 *btdi_rex64 using SWI48 mode iterator.
2376 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2377 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2378 *jcc_btdi_mask_rex64.
2380 2010-04-16 Anatoly Sokolov <aesok@post.ru>
2382 * double-int.h (tree_to_double_int): Convert to macro.
2383 * double-int.c (tree_to_double_int): Remove.
2385 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2388 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2389 with want_address 2 and in case a single element list might be
2390 possible, call it again with want_address 0.
2392 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2394 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2395 case 'W' print operands for HI mode.
2396 * config/h8300/h8300.h (Y0, Y2) : New constraints.
2397 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2398 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2399 * config/h8300/predicate.md (bit_register_indirect_operand): New.
2401 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2403 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2404 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2405 #xx:3 and #xx:4 mode.
2407 * config/h8300/h8300.md (inverted load with HImode dest): Add
2408 support for H8300SX.
2410 * config/h8300/predicate.md (bit_operand): Allow immediate values that
2411 satisfy 'U' constraint.
2413 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2415 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2416 * configure: Regenerate.
2417 * config.in: Regenerate.
2418 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2421 2010-04-16 Richard Guenther <rguenther@suse.de>
2423 * tree.h (struct tree_decl_minimal): Move pt_uid ...
2424 (struct tree_decl_common): ... here.
2425 (DECL_PT_UID): Adjust.
2426 (SET_DECL_PT_UID): Likewise.
2427 (DECL_PT_UID_SET_P): Likewise.
2429 2010-04-16 Richard Guenther <rguenther@suse.de>
2431 PR tree-optimization/43572
2432 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2433 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2434 * tree-flow.h (is_call_clobbered): Remove.
2435 * tree-flow-inline.h (is_call_clobbered): Likewise.
2436 * tree-dfa.c (dump_variable): Do not dump call clobber state.
2437 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2438 (execute_return_slot_opt): Adjust.
2439 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2440 check for call clobbered vars here.
2441 (find_tail_calls): Move tailcall verification to the
2444 2010-04-16 Diego Novillo <dnovillo@google.com>
2446 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2448 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2451 * config/arm/arm.md (cbranchqi4): New pattern.
2452 * config/arm/predicates.md (const0_operand,
2453 cbranchqi4_comparison_operator): New predicates.
2455 2010-04-16 Richard Guenther <rguenther@suse.de>
2457 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2458 (dump_gimple_stmt): Likewise.
2460 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2462 * recog.h (struct recog_data): New field is_operator.
2463 (struct insn_operand_data): New field is_operator.
2464 * recog.c (extract_insn): Set recog_data.is_operator.
2465 * genoutput.c (output_operand_data): Emit code to set the
2467 * reload.c (find_reloads): Use it rather than testing for an
2468 empty constraint string.
2471 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2472 If the previous insn is a cbranchsi4_insn with the same arguments,
2473 omit the compare instruction.
2475 * config/arm/arm.md (addsi3_cbranch): If destination is a high
2476 register, inputs must be low registers and we need a low register
2477 scratch. Handle alternative 2 like alternative 3.
2479 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2481 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2482 don't call get_addr on both. If one expression is a VALUE and
2483 the other a REG, check VALUE's locs if the REG isn't among them.
2485 2010-04-16 Christian Bruel <christian.bruel@st.com>
2487 * config/sh/sh.h (sh_frame_pointer_required): New function.
2488 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2489 (flag_omit_frame_pointer) Set.
2490 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2491 (rounded_frame_size): Adjust size with outgoing_args_size.
2492 (sh_set_return_address): Must return from stack pointer.
2493 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2494 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2495 (ACCUMULATE_OUTGOING_ARGS): Define.
2496 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2497 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2499 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2502 * config/sh/sh.c (sh_legitimize_reload_address): Use
2503 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2504 Remove a unneeded check for offset_base.
2506 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
2508 * configure: Regenerated.
2510 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2512 * config/s390/s390.c (s390_call_save_register_used): Switch back
2513 to HARD_REGNO_NREGS.
2515 2010-04-15 Richard Guenther <rguenther@suse.de>
2517 * alias.c (alias_set_subset_of): Handle alias-set zero
2520 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
2521 Julian Brown <julian@codesourcery.com>
2523 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2524 alternatives according to use of high and low regs.
2525 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2526 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2527 optimizing for size on Thumb-2.
2529 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
2531 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2533 2010-04-15 Richard Guenther <rguenther@suse.de>
2535 * tree-ssa-structalias.c (struct variable_info): Add
2537 (new_var_info): Initialize it.
2538 (dump_constraints): Support printing last added constraints.
2539 (debug_constraints): Adjust.
2540 (dump_constraint_graph): Likewise.
2541 (make_heapvar_for): Check for NULL cfun.
2542 (get_function_part_constraint): New function.
2543 (get_fi_for_callee): Likewise.
2544 (find_func_aliases): Properly implement IPA PTA constraints.
2545 (process_ipa_clobber): New function.
2546 (find_func_clobbers): Likewise.
2547 (insert_into_field_list_sorted): Remove.
2548 (create_function_info_for): Properly allocate vars for IPA mode.
2549 Do not use insert_into_field_list_sorted.
2550 (create_variable_info_for): Properly generate constraints for
2551 global vars in IPA mode.
2552 (dump_solution_for_var): Always dump the solution.
2553 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2554 (find_what_var_points_to): Adjust.
2555 (pt_solution_set): Change.
2556 (pt_solution_ior_into): New function.
2557 (pt_solution_empty_p): Export.
2558 (pt_solution_includes_global): Adjust.
2559 (pt_solution_includes_1): Likewise.
2560 (pt_solutions_intersect_1): Likewise.
2561 (dump_sa_points_to_info): Check some invariants.
2562 (solve_constraints): Move constraint dumping ...
2563 (compute_points_to_sets): ... here.
2564 (ipa_pta_execute): ... and here.
2565 (compute_may_aliases): Do not re-compute points-to info
2566 locally if IPA info is available.
2567 (ipa_escaped_pt): New global var.
2568 (ipa_pta_execute): Properly implement IPA PTA.
2569 * tree-into-ssa.c (dump_decl_set): Support dumping
2570 decls not in referenced-vars.
2571 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2572 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2573 (dump_points_to_solution): Likewise.
2574 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2575 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2576 (remap_gimple_stmt): Reset call clobber/use information if necessary.
2577 (copy_decl_to_var): Copy DECL_PT_UID.
2578 (copy_result_decl_to_var): Likewise.
2579 * tree.c (make_node_stat): Initialize DECL_PT_UID.
2580 (copy_node_stat): Copy it.
2581 * tree.h (DECL_PT_UID): New macro.
2582 (SET_DECL_PT_UID): Likewise.
2583 (DECL_PT_UID_SET_P): Likewise.
2584 (struct tree_decl_minimal): Add pt_uid member.
2585 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2586 (pt_solution_empty_p): Declare.
2587 (pt_solution_set): Adjust.
2588 (ipa_escaped_pt): Declare.
2589 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2590 * gimple-pretty-print.c (pp_points_to_solution): New function.
2591 (dump_gimple_call): Dump call clobber/use information.
2592 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2593 * tree-pass.h (TDF_ALIAS): New dump option.
2594 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2595 * doc/invoke.texi (-fipa-pta): Update documentation.
2597 2010-04-15 Richard Guenther <rguenther@suse.de>
2599 * Makefile.in (OBJS-common): Add gimple-fold.o.
2600 (gimple-fold.o): New rule.
2601 * tree.h (maybe_fold_offset_to_reference,
2602 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2604 * gimple.h: ... here.
2605 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2606 may_propagate_address_into_dereference): Move prototypes ...
2607 * gimple.h: ... here.
2608 * tree-ssa-ccp.c (get_symbol_constant_value,
2609 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2610 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2611 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2612 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2613 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2614 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2615 gimplify_and_update_call_from_tree): Move ...
2616 * gimple-fold.c: ... here. New file.
2617 (ccp_fold_builtin): Rename to ...
2618 (gimple_fold_builtin): ... this.
2619 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2621 2010-04-15 Richard Guenther <rguenther@suse.de>
2623 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2624 fit_double_type, force_fit_type_double, add_double_with_sign,
2625 neg_double, mul_double_with_sign, lshift_double, rshift_double,
2626 lrotate_double, rrotate_double, div_and_round_double): Move ...
2627 * double-int.c: ... here.
2628 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2629 add_double, neg_double, mul_double_with_sign, mul_double,
2630 lshift_double, rshift_double, lrotate_double, rrotate_double,
2631 div_and_round_double): Move prototypes ...
2632 * double-int.h: ... here.
2634 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
2637 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
2638 matching constraints to ensure inputs match the output.
2640 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2643 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2644 in an input-only operand.
2646 2010-04-15 Anatoly Sokolov <aesok@post.ru>
2648 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2649 (double_int_not, double_int_lshift, double_int_rshift): Declare.
2650 (double_int_negative_p): Convert to static inline function.
2651 * double-int.c (double_int_lshift, double_int_lshift): New functions.
2652 (double_int_negative_p): Remove.
2653 * tree.h (lshift_double, rshift_double):
2654 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2655 * fold-const.c (fold_convert_const_int_from_real,
2656 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2657 (lshift_double): Change type of arith argument to bool.
2658 (rshift_double): Change type of arith argument to bool. Correct
2660 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2662 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
2665 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2666 at the start and end of the then/else blocks, and omit them from the
2668 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
2669 argument; all callers changed. Pass zero to old_insns_match_p instead.
2670 (flow_find_head_matching_sequence): New function.
2671 (old_insns_match_p): Check REG_EH_REGION notes for calls.
2672 * basic-block.h (flow_find_cross_jump,
2673 flow_find_head_matching_sequence): Declare functions.
2675 2010-04-14 Jason Merrill <jason@redhat.com>
2678 * c-common.c (attribute_takes_identifier_p): New fn.
2679 * c-common.h: Declare it.
2681 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2683 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2685 (*udivmod<mode>4): Ditto.
2687 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2689 * config/i386/i386.md (maxmin_int): Rename code attribute from
2690 maxminiprefix and update all users.
2691 (maxmin_float): Ditto from maxminfprefix.
2692 (logic): Ditto from logicprefix.
2693 (absneg_mnemonic): Ditto from absnegprefix.
2694 * config/i386/mmx.md: Update all users of maxminiprefix,
2695 maxminfprefix and logicprefix for rename.
2696 * config/i386/sse.md: Ditto.
2697 * config/i386/sync.md (sync_<code><mode>): Update for
2700 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
2703 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2704 warnings converted to errors.
2706 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2708 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2709 used insn_type variable.
2710 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2711 to avoid set-but-not-used warning.
2713 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2715 * df-core.c (df_ref_debug): Change format string placeholder
2717 * dwarf2asm.c (dw2_asm_output_data_raw,
2718 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2719 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2720 * dwarf2out.c (output_cfi, output_cfi_directive,
2721 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2722 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2724 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2725 * print-rtl.c (print_rtx): Ditto.
2727 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2730 * builtins.c (expand_builtin_pow_root): New function to expand pow
2731 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2732 series of sqrt and cbrt calls under -ffast-math.
2733 (expand_builtin_pow): Call it.
2735 2010-04-14 Michael Matz <matz@suse.de>
2737 PR tree-optimization/42963
2738 * tree-cfg.c (touched_switch_bbs): New static variable.
2739 (group_case_labels_stmt): New function broken out from ...
2740 (group_case_labels): ... here, use the above.
2741 (start_recording_case_labels): Allocate touched_switch_bbs.
2742 (end_recording_case_labels): Deallocate it, call
2743 group_case_labels_stmt.
2744 (gimple_redirect_edge_and_branch): Remember index of affected BB.
2746 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2748 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2751 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2753 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2755 2010-04-13 Jan Hubicka <jh@suse.cz>
2757 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2758 of optimized out static functions.
2759 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2760 cost computation. Also sanity check for overflows.
2761 (update_caller_keys): Update cgraph_edge_badness call; properly
2762 update fibheap and sanity check that it is up to date.
2763 (add_new_edges_to_heap): Update cgraph_edge_badness.
2764 (cgraph_decide_inlining_of_small_function): Likewise;
2765 add sanity checking that badness in heap is up to date;
2766 improve dumping of reason; Update badness of calls to the
2767 offline copy of function currently inlined; dump badness
2768 of functions not inlined because of unit growth limits.
2770 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2773 * c-common.c (pointer_int_sum): Disregard overflow that occured only
2774 because of sign-extension change when converting to sizetype here...
2775 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2777 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2778 the folding to constants. Remove redundant final conversion.
2779 (fold_binary) <associate>: Do not associate if the re-association of
2780 constants alone overflows.
2781 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2782 to the end of the list.
2783 (multiple_of_p) <COND_EXPR>: New case.
2785 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
2787 * opt-functions.awk (opt_sanitized_name): New.
2789 * optc-gen.awk: Use it
2790 * opth-gen.awk: Use it.
2792 2010-04-13 Martin Jambor <mjambor@suse.cz>
2794 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2795 (sra_modify_assign): Delete stmts loading dead data even if racc has no
2796 children. Call replace_uses_with_default_def_ssa_name to handle
2799 2010-04-13 Michael Matz <matz@suse.de>
2802 * builtins.c (expand_builtin_interclass_mathfn): Also create
2803 a register if the predicate doesn't match.
2805 2010-04-13 Diego Novillo <dnovillo@google.com>
2807 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2808 * c-pch.c: Include timevar.h.
2809 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2810 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2811 * ggc-common.c: Include timevar.h.
2812 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2813 * timevar.def (TV_PCH_SAVE): Define.
2814 (TV_PCH_CPP_SAVE): Define.
2815 (TV_PCH_PTR_REALLOC): Define.
2816 (TV_PCH_PTR_SORT): Define.
2817 (TV_PCH_RESTORE): Define.
2818 (TV_PCH_CPP_RESTORE): Define.
2820 2010-04-13 Michael Matz <matz@suse.de>
2822 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2824 (can_reassociate_p): New function.
2825 (break_up_subtract_bb, reassociate_bb): Use it.
2827 2010-04-13 Richard Guenther <rguenther@suse.de>
2830 * builtins.c (c_readstr): Fix assert.
2832 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
2834 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2835 when generating cltd insn.
2837 (*ashl<mode>3_1): Remove special handling for register operand 2.
2838 (*ashlsi3_1_zext): Ditto.
2839 (*ashlhi3_1): Ditto.
2840 (*ashlhi3_1_lea): Ditto.
2841 (*ashlqi3_1): Ditto.
2842 (*ashlqi3_1_lea): Ditto.
2843 (*<shiftrt_insn><mode>3_1): Ditto.
2844 (*<shiftrt_insn>si3_1_zext): Ditto.
2845 (*<shiftrt_insn>qi3_1_slp): Ditto.
2846 (*<rotate_insn><mode>3_1): Ditto.
2847 (*<rotate_insn>si3_1_zext): Ditto.
2848 (*<rotate_insn>qi3_1_slp): Ditto.
2850 2010-04-13 Richard Guenther <rguenther@suse.de>
2852 * tree-ssa-structalias.c (callused_id): Remove.
2853 (call_stmt_vars): New.
2854 (get_call_vi): Likewise.
2855 (lookup_call_use_vi): Likewise.
2856 (lookup_call_clobber_vi): Likewise.
2857 (get_call_use_vi): Likewise.
2858 (get_call_clobber_vi): Likewise.
2859 (make_transitive_closure_constraints): Likewise.
2860 (handle_const_call): Adjust to do per-call call-used handling.
2861 (handle_pure_call): Likewise.
2862 (find_what_var_points_to): Remove general callused handling.
2863 (init_base_vars): Likewise.
2864 (init_alias_vars): Initialize call_stmt_vars.
2865 (compute_points_to_sets): Process call-used and call-clobbered
2866 vars for call statements.
2867 (delete_points_to_sets): Free call_stmt_vars.
2869 2010-04-13 Richard Guenther <rguenther@suse.de>
2871 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2872 Only add RW dependence for dependence distance zero.
2873 Adjust maximal vectorization factor according to dependences.
2874 Move alignment handling ...
2875 (vect_find_same_alignment_drs): ... here. New function.
2876 (vect_analyze_data_ref_dependences): Adjust.
2877 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2878 (vect_analyze_data_refs): Adjust minimal vectorization factor
2879 according to data references.
2880 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2881 dependences before determining the vectorization factor.
2882 Analyze alignment after determining the vectorization factor.
2883 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2884 dependences before alignment.
2885 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2887 (vect_analyze_data_refs): Likewise.
2888 (MAX_VECTORIZATION_FACTOR): New define.
2890 2010-04-13 Duncan Sands <baldrick@free.fr>
2892 * except.h (lang_eh_type_covers): Remove.
2893 * except.c (lang_eh_type_covers): Likewise.
2895 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2896 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2898 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2899 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2900 UNITS_PER_LONG where it is ABI relevant.
2901 (s390_return_addr_rtx): Likewise.
2902 (s390_back_chain_rtx): Likewise.
2903 (s390_frame_area): Likewise.
2904 (s390_frame_info): Likewise.
2905 (s390_initial_elimination_offset): Likewise.
2906 (save_gprs): Likewise.
2907 (s390_emit_prologue): Likewise.
2908 (s390_emit_epilogue): Likewise.
2909 (s390_function_arg_advance): Likewise.
2910 (s390_function_arg): Likewise.
2911 (s390_va_start): Likewise.
2912 (s390_gimplify_va_arg): Likewise.
2913 (s390_function_profiler): Likewise.
2914 (s390_optimize_prologue): Likewise.
2915 (s390_rtx_costs): Likewise.
2916 (s390_secondary_reload): Likewise.
2917 (s390_promote_function_mode): Likewise.
2918 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2919 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2920 registers available.
2921 (s390_unwind_word_mode): New function.
2922 (s390_function_value): Split 64 bit values into register pair if
2923 used as return value.
2924 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2925 function call parameters. Handle parallels.
2926 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2927 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2928 (DWARF_CIE_DATA_ALIGNMENT): New macro.
2929 (s390_expand_setmem): Remove unused variable src_addr.
2930 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2931 deal with 64 bit registers.
2932 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2933 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2934 (UNITS_PER_LONG): New macro.
2935 * libjava/include/s390-signal.h: Define extended ucontext
2936 structure containing the upper halfs of the 64 bit registers.
2938 2010-04-13 Simon Baldwin <simonb@google.com>
2940 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2942 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2944 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2945 rvalue on the RHS if the LHS is of a non-renamable type.
2946 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2948 2010-04-13 Matthias Klose <doko@ubuntu.com>
2950 * gcc.c (cc1_options): Handle -iplugindir before processing
2951 the cc1 spec. Only add -iplugindir once.
2952 (cpp_unique_options): Add -iplugindir option if -fplugin* options
2954 * common.opt (iplugindir): Remove `Separate' property, initialize.
2955 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2957 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2958 (distclean): Remove plugin dir.
2959 * doc/invoke.texi: Document -iplugindir.
2961 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
2963 * doc/plugins.texi (Loading Plugins): Document short
2964 -fplugin=foo option.
2965 (Plugin API): Mention default_plugin_dir_name function.
2967 * gcc.c (find_file_spec_function): Add new declaration.
2968 (static_spec_func): Use it for "find-file".
2969 (find_file_spec_function): Add new function.
2970 (cc1_options): Add -iplugindir option if -fplugin* options found.
2972 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2974 * plugin.c (add_new_plugin): Updated comment, and handle short
2976 (default_plugin_dir_name): Added new function.
2978 * common.opt (iplugindir): New option to set the plugin directory.
2980 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
2982 * config/i386/i386.md (any_rotate): New code iterator.
2983 (rotate_insn): New code attribute.
2985 (SWIM124): New mode iterator.
2986 (<rotate_insn>ti3): New expander.
2987 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2988 any_rotate code iterator.
2989 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2990 using any_rotate code iterator and SWIM124 mode iterator.
2991 (ix86_rotlti3): New insn_and_split pattern.
2992 (ix86_rotrti3): Ditto.
2993 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2994 ix86_rotl{di,ti}3 patterns.
2995 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2996 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2997 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2998 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2999 code iterator and SWI mode iterator.
3000 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3001 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3003 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3004 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3005 (bswap rotatert splitter): Add splitter.
3006 (bswap splitter): Macroize splitter using any_rotate code iterator.
3007 Add insn predicate to split only for TARGET_USE_XCHGB or when
3008 optimizing function for size.
3010 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3012 * config/pa/pa.c (emit_move_sequence): Remove use of
3013 deleted variable flag_argument_noalias.
3015 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3017 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3019 Add to unsupported targets list.
3020 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3021 sparc*-sun-solaris2.[567]* from target lists.
3022 * configure: Regenerate.
3023 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3025 Remove Solaris 7 patch references.
3026 (Specific, sparc-sun-solaris2.7): Removed.
3027 (sparc-sun-solaris2*): Update Solaris 7 example.
3028 (sparc64-*-solaris2*): Likewise.
3030 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3032 * config.build (alpha*-dec-osf4*): Remove.
3033 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3034 of obsolete configurations.
3035 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3037 * config/alpha/t-osf4: Renamed to ...
3038 * config/alpha/t-osf5: ... this.
3039 * config/alpha/osf.h: Renamed to ...
3040 * config/alpha/osf5.h: ... this.
3041 Merged old osf5.h contents.
3043 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3044 (EXTRA_SPECS): Removed.
3045 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3046 reflect removal of Tru64 UNIX V4.0/V5.0 support.
3049 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3051 * doc/contrib.texi (Contributors, Rainer Orth): Update.
3053 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
3056 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3057 __thiscall convention.
3059 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3061 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3063 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3065 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3067 * function.c (assign_parms_initialize_all): Add unused attribute
3070 2010-04-12 Richard Guenther <rguenther@suse.de>
3072 * gsstruct.def (GSS_CALL): New.
3073 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3074 * gimple.h: Include tree-ssa-alias.h.
3075 (struct gimple_statement_call): New.
3076 (union gimple_statement_struct_d): Add gimple_call member.
3077 (gimple_call_reset_alias_info): Declare.
3078 (gimple_call_use_set): New function.
3079 (gimple_call_clobber_set): Likewise.
3080 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3081 * gimple.c (gimple_call_reset_alias_info): New function.
3082 (gimple_build_call_1): Call it.
3083 * lto-streamer-in.c (input_gimple_stmt): Likewise.
3084 * tree-inline.c (remap_gimple_stmt): Likewise.
3085 (expand_call_inline): Remove callused handling.
3086 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3087 * tree-dfa.c (dump_variable): Likewise.
3088 * tree-parloops.c (parallelize_loops): Likewise.
3089 * tree-ssa.c (init_tree_ssa): Likewise.
3090 (delete_tree_ssa): Likewise.
3091 * tree-flow-inline.h (is_call_used): Remove.
3092 * tree-flow.h (struct gimple_df): Remove callused member.
3093 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3094 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3095 (ref_maybe_used_by_call_p_1): Simplify.
3096 (call_may_clobber_ref_p_1): Likewise.
3097 * tree-ssa-structalias.c (compute_points_to_sets): Set
3098 the call stmt used and clobbered sets.
3099 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3100 (find_tail_calls): Verify the tail call.
3102 2010-04-12 Richard Guenther <rguenther@suse.de>
3104 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3105 single-iteration always-inline inlining.
3106 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3107 (cgraph_decide_inlining): Do not handle always-inline specially.
3108 (try_inline): Remove always-inline cycle detection special case.
3109 Do not recurse on always-inlines.
3110 (cgraph_early_inlining): Do not iterate if not optimizing.
3111 (cgraph_gate_early_inlining): remove.
3112 (pass_early_inline): Run unconditionally.
3113 (gate_cgraph_decide_inlining): New function.
3114 (pass_ipa_inline): Use it. Do not run the IPA inliner if
3115 not inlining or optimizing.
3116 (cgraph_decide_inlining_of_small_functions): Also consider
3117 always-inline functions.
3118 (cgraph_default_inline_p): Return true for nodes which should
3119 disregard inline limits.
3120 (estimate_function_body_sizes): Assume zero size and time for
3121 nodes which are marked as disregarding inline limits.
3122 (cgraph_decide_recursive_inlining): Do not perform recursive
3123 inlining on always-inline nodes.
3125 2010-04-12 Jakub Jelinek <jakub@redhat.com>
3128 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3129 for exprs satisfying handled_component_p.
3131 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
3133 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3134 non-constant aggregate elements.
3136 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3137 is a real initialization.
3139 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
3142 * c-decl.c (start_function): Move forward check for nested function.
3144 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
3146 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3147 * config/sh/sh.c: Include reload.h.
3148 (sh_legitimize_reload_address): New.
3149 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3150 sh_legitimize_reload_address.
3152 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
3154 * config/sh/sh.md (*movqi_pop): New insn pattern.
3155 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3157 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3159 * config/i386/i386.md (any_shiftrt): New code iterator.
3160 (shiftrt_insn): New code attribute.
3162 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3163 using any_shiftrt code iterator.
3164 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3165 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3166 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3167 pattern from corresponding peephole2 patterns.
3168 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3169 using any_shiftrt code iterator.
3170 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3171 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3172 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3173 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3174 *{ashr,lshr}<mode>3_cmp_zext.
3175 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3177 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3179 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3181 (*lshr<mode>3_cconly): Ditto.
3183 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3185 * config/i386/i386.md (lshr<mode>3): Macroize expander from
3186 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3187 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3188 pattern from *lshr{di,ti}3_1 and corresponding splitters using
3190 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3191 from corresponding peephole2 patterns.
3192 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3193 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3194 and *lshrdi3_1_rex64 using SWI mode iterator.
3195 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3196 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3197 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3198 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3199 and *lshrdi3_cmp_rex64 using SWI mode iterator.
3200 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3201 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3202 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3203 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3206 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
3208 * config/i386/i386.md (ashr<mode>3): Macroize expander from
3209 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3210 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3211 pattern from *ashr{di,ti}3_1 and corresponding splitters using
3213 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3214 from corresponding peephole2 patterns.
3215 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3216 (ashrsi3_cvt): Rename from ashrsi3_31.
3217 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3218 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3219 and x86_64_shift_adj_3 using SWI48 mode iterator.
3220 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3221 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3222 and *ashrdi3_1_rex64 using SWI mode iterator.
3223 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3224 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3225 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3226 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3227 and *ashrdi3_cmp_rex64 using SWI mode iterator.
3228 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3229 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3230 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3231 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3233 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3234 * config/i386/i386.c (ix86_split_ashr): Update for renamed
3235 x86_shift<mode>_adj_3 expanders.
3237 2010-04-10 Wei Guozhi <carrot@google.com>
3240 * config/arm/arm.c (arm_pic_static_addr): New function.
3241 (legitimize_pic_address): Call arm_pic_static_addr when it detects
3243 (arm_output_addr_const_extra): Output expression for new pattern.
3244 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3246 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
3248 * ira-costs.c (record_reg_classes): Ignore alternatives that are
3251 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3252 * web.c: Include "insn-config.h" and "recog.h".
3253 (union_match_dups): New function.
3254 (web_main): Call it.
3255 (union_defs): Don't try to recognize match_dups.
3257 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3258 if doing so would replace the entire pattern.
3260 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3264 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3265 and splitter pattern. Change splitter operand 1 predicate to
3268 2010-04-09 Martin Jambor <mjambor@suse.cz>
3270 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3271 lattices are addresses of CONST_DECLs with the same initial value.
3272 (ipcp_print_all_lattices): Print values of CONST_DECLs.
3273 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3275 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
3276 Bernd Schmidt <bernds@codesourcery.com>
3278 * loop-invariant.c (replace_uses): New static function.
3279 (move_invariant_reg): Use it to ensure we can replace the uses.
3281 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
3283 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3285 (picochip_override_options): Enable section anchors only above -O1.
3286 (picochip_reorg): Fixed a couple of build warnings.
3288 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3290 * configure.ac (plugin -rdynamic test): Log result.
3291 * configure: Regenerate.
3292 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3293 (RDYNAMIC_SPEC): Define.
3294 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3296 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3298 * configure.ac: Determine Sun ld version numbers.
3299 (comdat_group): Restrict GNU ld version checks to gld.
3300 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3301 (enable_comdat): Support --enable-comdat.
3302 * configure: Regenerate.
3303 * doc/install.texi (Configuration): Document --enable-comdat.
3305 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3307 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
3308 * config/sol2-gld.h: ... here.
3309 * config.gcc (sparc*-*-solaris2*): Reflect this.
3310 (i[34567]86-*-solaris2*): Use it.
3312 2010-04-09 Steve Ellcey <sje@cup.hp.com>
3314 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3316 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3318 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3321 * diagnostic.c (diagnostic_initialize): Initialize
3322 some_warnings_are_errors.
3323 (diagnostic_finish): New.
3324 (diagnostic_action_after_output): Call it before exiting.
3325 (diagnostic_report_diagnostic): Do not print message here. Set
3326 some_warnings_are_errors.
3327 * diagnostic.h (diagnostic_context): Delete
3328 issue_warnings_are_errors_message. Add some_warnings_are_errors.
3329 (diagnostic_finish): Declare.
3330 * toplev.c (toplev_main): Call it before exit.
3332 2010-04-09 Jason Merrill <jason@redhat.com>
3335 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3336 for incomplete type.
3339 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3340 based on a warning flag.
3342 2010-04-09 Richard Guenther <rguenther@suse.de>
3344 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3346 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
3349 * varasm.c (default_assemble_visibility): Wrap vars that are
3350 set, but unused, by targets without GAS.
3351 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3352 Remove set, but unused, vars.
3353 (rs6000_legitimize_tls_address): Likewise.
3354 (altivec_expand_dst_builtin): Likewise.
3355 * config/darwin.c (machopic_classify_symbol): Likewise.
3356 (machopic_indirection_name): Likewise.
3358 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3360 * config/i386/i386.md (DWI): New mode iterator.
3361 (S): New mode attribute.
3362 (shift_operand): Ditto.
3363 (shift_immediate_operand): Ditto.
3364 (ashl_input_operand): Ditto.
3365 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3366 using SDWIM mode iterator.
3367 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
3368 pattern from *ashl{di,ti}3_1 and corresponding splitters using
3370 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3371 from corresponding peephole2 patterns.
3372 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3373 and x86_64_shift_adj_1 using SWI48 mode iterator.
3374 (x86_shift<mode>_adj_2): Ditto.
3375 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3376 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3377 using SWI48 mode iterator.
3378 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3379 *ashldi3_cmp_rex64 using SWI mode iterator.
3380 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3381 *ashldi3_cconly_rex64 using SWI mode iterator.
3382 * config/i386/i386.c (ix86_split_ashl): Update for renamed
3383 x86_shift<mode>_adj_{1,2}.
3384 (ix86_split_ashr): Ditto.
3385 (ix86_split_lshr): Ditto.
3387 2010-04-09 Richard Guenther <rguenther@suse.de>
3389 * target.h (builtin_conversion): Pass in input and output types.
3390 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3391 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3392 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3393 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3395 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3397 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3399 2010-04-09 Richard Guenther <rguenther@suse.de>
3402 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3404 2010-04-09 Richard Guenther <rguenther@suse.de>
3406 * tree-vectorizer.h (struct _stmt_vec_info): Document
3407 that vectype is the type of the LHS.
3408 (supportable_widening_operation, supportable_narrowing_operation):
3409 Get both input and output vector types as arguments.
3410 (vect_is_simple_use_1): Declare.
3411 (get_same_sized_vectype): Likewise.
3412 * tree-vect-loop.c (vect_determine_vectorization_factor):
3413 Set STMT_VINFO_VECTYPE to the vector type of the def.
3414 (vectorizable_reduction): Adjust.
3415 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3416 Adjust. Specify the output vector type.
3417 (vect_pattern_recog_1): Adjust.
3418 * tree-vect-stmts.c (get_same_sized_vectype): New function.
3419 (vectorizable_call): Adjust.
3420 (vectorizable_conversion): Likewise.
3421 (vectorizable_operation): Likewise.
3422 (vectorizable_type_demotion): Likewise.
3423 (vectorizable_type_promotion): Likewise.
3424 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3426 (vect_is_simple_use_1): New function.
3427 (supportable_widening_operation): Get both input and output
3429 (supportable_narrowing_operation): Likewise.
3430 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3432 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
3434 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3435 __thiscall and _thiscall as predefined macros.
3436 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3437 thiscall attribute handling.
3438 (ix86_comp_type_attributes): Likewise.
3439 (ix86_function_regparm): Likewise.
3440 (ix86_return_pops_args): Likewise.
3441 (init_cumulative_args): Likewise.
3442 (find_drap_reg): Likewise.
3443 (ix86_static_chain): Likewise.
3444 (x86_this_parameter): Likewise.
3445 (x86_output_mi_thunk): Likewise.
3446 (ix86_attribute_table): Add description for thiscall attribute.
3447 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3448 * doc/extend.texi: Add documentation for thiscall.
3450 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3453 * c.opt (Wint-to-pointer-cast): Available in C++.
3454 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3456 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
3458 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3459 * calls.c (expand_call): Pass the function type to aggregate_value_p.
3460 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3461 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
3462 function type instead. Reorder and simplify checks.
3464 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3466 2010-04-08 Jing Yu <jingyu@google.com>
3467 Zdenek Dvorak <ook@ucw.cz>
3469 PR tree-optimization/42720
3470 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3471 loop unswitch conditions here from ...
3472 (tree_unswitch_single_loop): ... here.
3474 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3476 * tree-if-conv.c: Fix comments and simplify logic.
3478 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3480 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3481 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
3482 (main_tree_if_conversion): Update call to tree_if_conversion.
3484 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
3487 * doc/invoke.texi (-b,-V): Delete.
3488 * doc/tm.texi: Do not mention -b.
3489 * gcc.c (display_help): Delete -b and -V.
3490 (process_command): Delete -b and -V.
3491 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3493 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
3494 Wolfgang Gellerich <gellerich@de.ibm.com>
3496 Implement target hook for loop unrolling
3497 * target.h (loop_unroll_adjust): Add a new target hook function.
3498 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3499 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3500 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3501 (s390_loop_unroll_adjust): Implement the new target hook for s390.
3502 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3504 (decide_unroll_stupid): Likewise.
3506 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3509 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3511 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3513 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3514 (Specific, *-*-solaris2*): Likewise.
3515 Don't prefer Sun as over GNU as.
3517 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
3519 * config/s390/s390.c (override_options): Adjust the z10
3520 defaults for max-unroll-times, max-completely-peeled-insns
3521 and max-completely-peel-times.
3523 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3525 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3526 instructions for z10.
3527 (s390_expand_setmem): Likewise.
3528 (s390_expand_cmpmem): Likewise.
3530 2010-04-08 Richard Guenther <rguenther@suse.de>
3532 PR tree-optimization/43679
3533 * tree-ssa-pre.c (eliminate): Only propagate copies.
3535 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3538 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3539 set but not used variable warning.
3541 2010-04-08 Wei Guozhi <carrot@google.com>
3544 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3545 (arm_size_rtx_costs): Call the new function when optimized for size.
3547 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3550 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3551 op0 is not a MEM, just return NULL instead of assertion
3553 (discover_nonconstant_array_refs): Don't walk debug stmts.
3555 2010-04-08 Doug Kwan <dougkwan@google.com>
3557 * configure.ac: Recognize gold and do not use its version number
3558 to test ld features.
3559 * configure: Regenerate.
3561 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
3564 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3565 (negate_value): Move code to push elements to broken_up_substracts ...
3566 (eliminate_plus_minus_pair): ... here. Push operands that have no
3567 negative pair to plus_negates.
3568 (repropagate_negates, init_reassoc, fini_reassoc): Update.
3570 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3572 * doc/install.texi (Configuration): Move description of
3573 --enable-lto, --with-libelf*, --enable-gold from Java section to
3576 * doc/generic.texi (Working with declarations)
3577 (Function Properties, C and C++ Trees): Fix typos.
3578 * doc/sourcebuild.texi (Top Level): Likewise.
3580 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3583 * tree.h (DECL_READ_P): Define.
3584 (struct tree_decl_common): Add decl_read_flag.
3585 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3586 a set but not used warning.
3587 (merge_decls): Merge DECL_READ_P flag.
3588 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3589 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3590 * c-common.c (handle_used_attribute, handle_unused_attribute):
3592 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3594 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3596 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3597 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3598 c_parser_binary_expression, c_parser_cast_expression,
3599 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3600 Call default_function_array_read_conversion instead of
3601 default_function_array_conversion where needed.
3602 (c_parser_unary_expression, c_parser_conditional_expression,
3603 c_parser_postfix_expression_after_primary, c_parser_initelt):
3604 Likewise. Call mark_exp_read where needed.
3605 (c_parser_statement_after_labels, c_parser_asm_operands,
3606 c_parser_typeof_specifier, c_parser_sizeof_expression,
3607 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3609 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3611 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3612 (warn_unused_but_set_parameter): Default to warn_unused
3614 * doc/invoke.texi: Document -Wunused-but-set-variable and
3615 -Wunused-but-set-parameter.
3617 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3618 used count variable.
3619 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3620 when operandN variables aren't used in the body of the expander
3622 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3623 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3624 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3625 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3626 FOR_EACH_IMM_USE_ON_STMT): Likewise.
3627 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3628 * tree.c (PROCESS_ARG): Likewise.
3630 2010-04-07 Simon Baldwin <simonb@google.com>
3632 * diagnostic.h (diagnostic_override_option_index): New macro to
3633 set a diagnostic's option_index.
3634 * c-tree.h (c_cpp_error): Add warning reason argument.
3635 * opts.c (_warning_as_error_callback): New.
3636 (register_warning_as_error_callback): Store callback for
3637 warnings enabled via enable_warning_as_error.
3638 (enable_warning_as_error): Call callback, minor code tidy.
3639 * opts.h (register_warning_as_error_callback): Declare.
3640 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3641 response to -Werror=.
3642 (c_common_init_options): Register warning_as_error_callback in opts.c.
3643 * common.opt: Add -Wno-cpp option.
3644 * c-common.c (struct reason_option_codes_t): Map cpp warning
3645 reason codes to gcc option indexes.
3646 * (c_option_controlling_cpp_error): New function, lookup the gcc
3647 option index for a cpp warning reason code.
3648 * (c_cpp_error): Add warning reason argument, call
3649 c_option_controlling_cpp_error for diagnostic_override_option_index.
3650 * doc/invoke.texi: Document -Wno-cpp.
3652 2010-04-07 Richard Guenther <rguenther@suse.de>
3654 * ipa-reference.c (mark_load): Use get_base_address.
3655 (mark_store): Likewise.
3657 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3658 inserting GIMPLE_NOPs into the IL.
3659 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3660 Explicitly strip handled components and indirect references.
3662 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3663 folding address expressions.
3664 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3665 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3666 operand_equal_p to compare decls.
3667 (ptr_deref_may_alias_decl_p): Likewise.
3668 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3669 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3670 Handle reversed comparison ops.
3671 * tree-sra.c (asm_visit_addr): Use get_base_address.
3672 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3673 * ipa-reference.c (mark_address): Use get_base_address.
3675 2010-04-07 Richard Guenther <rguenther@suse.de>
3677 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3678 Propagate constants everywhere.
3680 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3683 * tree.c (MAX_INT_CACHED_PREC): Define.
3684 (nonstandard_integer_type_cache): New array.
3685 (build_nonstandard_integer_type): Cache results for precision
3686 <= MAX_INT_CACHED_PREC.
3688 2010-04-07 Richard Guenther <rguenther@suse.de>
3690 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3691 -fargument-noalias-global, -fargument-noalias-anything): Remove.
3692 * common.opt: Likewise.
3693 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3694 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3695 (nonoverlapping_memrefs_p): Likewise.
3696 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3697 * opts.c (common_handle_option): Handle OPT_fargument_alias,
3698 OPT_fargument_noalias, OPT_fargument_noalias_anything and
3699 OPT_fargument_noalias_global for backward compatibility.
3701 2010-04-07 Richard Guenther <rguenther@suse.de>
3703 PR tree-optimization/43270
3704 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3705 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3706 * tree-ssa-pre.c (phi_translate_1): Adjust.
3707 (fully_constant_expression): Split out vn_reference handling to ...
3708 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3709 Fold reads from constant strings.
3710 (vn_reference_lookup): Handle fully constant references.
3711 (vn_reference_lookup_pieces): Likewise.
3712 * Makefile.in (expmed.o-warn): Add -Wno-error.
3714 2010-04-07 Martin Jambor <mjambor@suse.cz>
3716 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3718 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
3721 * gcc.c: Add -static-libstdc++ to list of recognized options.
3723 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3725 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3727 2010-04-07 Richard Guenther <rguenther@suse.de>
3730 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3731 bases build simple mem attributes to retain points-to information.
3733 2010-04-07 Richard Guenther <rguenther@suse.de>
3736 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3737 preserve points-to related information.
3739 2010-04-07 Richard Guenther <rguenther@suse.de>
3742 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3743 discard plain indirect references.
3744 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3745 * tree.c (tree_nop_conversion): Likewise.
3747 2010-04-07 Dodji Seketeli <dodji@redhat.com>
3750 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3752 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
3754 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3755 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3757 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3759 * tree-if-conv.c: Fix indentation and comments.
3761 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3763 * tree-if-conv.c: Sort static functions in topological order.
3765 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3767 * tree-if-conv.c: Fix indentation and comments.
3769 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3772 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3773 lang_hooks.types.type_for_size instead of
3774 build_nonstandard_integer_type.
3775 When converting an unsigned type to signed, double its precision.
3776 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3777 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3778 (graphite_create_new_loop_guard): When ub + 1 wraps around,
3781 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3784 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3785 POINTER_PLUS_EXPR for pointer types.
3787 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3790 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3791 * graphite-clast-to-gimple.c: Include langhooks.h.
3792 (max_signed_precision_type): New.
3793 (max_precision_type): Takes two types as arguments.
3794 (precision_for_value): New.
3795 (precision_for_interval): New.
3796 (gcc_type_for_interval): New.
3797 (gcc_type_for_value): New.
3798 (gcc_type_for_clast_term): New.
3799 (gcc_type_for_clast_red): New.
3800 (gcc_type_for_clast_bin): New.
3801 (gcc_type_for_clast_expr): Split up into several functions.
3802 (gcc_type_for_clast_eq): Rewritten.
3803 (compute_bounds_for_level): New.
3804 (compute_type_for_level_1): New.
3805 (compute_type_for_level): New.
3806 (gcc_type_for_cloog_iv): Removed.
3807 (gcc_type_for_iv_of_clast_loop): Rewritten.
3808 (graphite_create_new_loop): Compute the lower and upper bound types
3809 with gcc_type_for_clast_expr.
3810 (graphite_create_new_loop_guard): Same.
3811 (find_cloog_iv_in_expr): Removed.
3812 (compute_cloog_iv_types_1): Removed.
3813 (compute_cloog_iv_types): Removed.
3814 (gloog): Do not call compute_cloog_iv_types.
3815 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3817 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3818 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3819 (GBB_CLOOG_IV_TYPES): Removed.
3821 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3823 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3824 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3825 (detect_commutative_reduction): Same.
3827 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3829 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3830 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
3832 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3833 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3834 (rewrite_commutative_reductions_out_of_ssa): Same.
3835 * passes.c (execute_function_todo): Call verify_ssa for every pass
3836 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
3837 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3838 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3839 with an extra argument.
3840 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
3841 verify_ssa only when the extra argument is true.
3842 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3843 with an extra argument.
3844 (tree_transform_and_unroll_loop): Same.
3846 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3848 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3849 for all the passes of the LNO having LOOP_CLOSED_SSA.
3850 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3851 * tree-loop-distribution.c (pass_loop_distribution): Same.
3852 * tree-pass.h (TODO_verify_loops): Removed.
3853 * tree-ssa-loop.c (pass_tree_loop_init): Same.
3855 (pass_tree_unswitch): Same.
3856 (pass_predcom): Same.
3857 (pass_vectorize): Same.
3858 (pass_linear_transform): Same.
3859 (pass_graphite_transforms): Same.
3860 (pass_iv_canon): Same.
3861 (pass_complete_unroll): Same.
3862 (pass_complete_unrolli): Same.
3863 (pass_parallelize_loops): Same.
3864 (pass_loop_prefetch): Same.
3865 (pass_iv_optimize): Same.
3867 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
3870 * passes.c (init_optimization_passes): Move pass_lim before
3871 pass_copy_prop and pass_dce_loop.
3873 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3876 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3877 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3878 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3879 MULTI_* defines for 4 argument vpermil2p* builtins.
3881 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3883 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3884 * config/i386/i386.c (x86_maybe_negate_const_int): New.
3885 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3886 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3887 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3888 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3889 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3890 Use x86_maybe_negate_const_int to output insn mnemonic.
3891 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
3892 check from instruction predicate. Update comments.
3893 * config/i386/sync.md (sync_add<mode>): Use
3894 x86_maybe_negate_const_int to output insn mnemonic.
3896 2010-04-06 Jan Hubicka <jh@suse.cz>
3898 PR tree-optimization/42906
3899 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3900 IGNORE_SELF argument. Set visited_control_parents for fully
3902 (find_obviously_necessary_stmts): Update call of
3903 mark_control_dependent_edges_necessary.
3904 (propagate_necessity): Likewise. Handle PHI edges more curefully.
3906 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3908 * config/i386/i386.md: Remove comment about 'e' and 'E'
3911 2010-04-06 Richard Guenther <rguenther@suse.de>
3913 PR tree-optimization/43627
3914 * tree-vrp.c (extract_range_from_unary_expr): Widenings
3915 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3918 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3920 * BASE-VER: Change to 4.6.0.
3923 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3926 2010-04-06 Richard Guenther <rguenther@suse.de>
3929 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3931 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3933 * doc/invoke.texi (Optimize Options): Document that LTO
3934 won't remove object access purely due to incompatible
3937 2010-04-04 Matthias Klose <doko@ubuntu.com>
3939 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3940 Initialize variable.
3942 2010-04-03 Richard Guenther <rguenther@suse.de>
3945 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3946 require a non-NULL MEM_OFFSET.
3948 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
3950 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3951 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3952 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3953 config/alpha/predicates.md, config/arm/arm.md,
3954 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3955 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3956 config/darwin9.h, config/darwin.c, config/darwin.h,
3957 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3958 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3959 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3960 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3961 config/mips/mips.md, config/mn10300/mn10300.c,
3962 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3963 config/rs6000/aix.h, config/rs6000/dfp.md,
3964 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3965 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3966 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3967 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3968 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3969 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3970 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3971 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3972 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3973 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3974 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3975 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3976 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3977 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3978 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3979 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3980 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3981 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3982 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3983 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3984 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3985 opt-functions.awk, opth-gen.awk, params.def, passes.c,
3986 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3987 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3988 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3989 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3990 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3991 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3992 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3993 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3994 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3995 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3996 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3997 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3998 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3999 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
4001 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4004 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
4005 * aclocal.m4: Regenerate.
4007 2010-04-02 Richard Guenther <rguenther@suse.de>
4009 PR tree-optimization/43629
4010 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
4011 if we have seen a constant value.
4013 2010-04-02 Joseph Myers <joseph@codesourcery.com>
4015 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
4017 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
4020 * arm.c (legitimize_tls_address): Adjust call to
4021 gen_tls_load_dot_plus_four.
4022 (arm_note_pic_base): New function.
4023 (arm_cannot_copy_insn_p): Use it.
4024 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
4027 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4032 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4034 * Makefile.in ($(out_object_file)): Depend on
4035 gt-$(basename $(notdir $(out_file))).h.
4037 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
4039 * config.gcc (lm32-*-rtems*): Add t-lm32.
4041 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
4043 * config.gcc: Add lm32-*-rtems*.
4044 * config/lm32/rtems.h: New file.
4046 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
4049 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
4051 2010-04-01 Jakub Jelinek <jakub@redhat.com>
4053 * dwarf2out.c (output_compilation_unit_header): For
4054 -gdwarf-4 use version 4 instead of version 3.
4055 (output_line_info): For version 4 and above emit additional
4056 maximum ops per insn header field.
4057 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
4059 * dwarf2out.c (is_c_family, is_java): Remove.
4060 (lower_bound_default): New function.
4061 (add_bound_info, gen_descr_array_type_die): Use it.
4063 2010-04-01 Dodji Seketeli <dodji@redhat.com>
4066 * dwarf2out.c (gen_variable_die): Allow debug info for variable
4067 re-declaration when it happens in a function.
4069 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
4071 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
4072 (cgraph_remove_function_insertion_hook): Same.
4073 (cgraph_call_function_insertion_hooks): Same.
4075 2010-04-01 Richard Guenther <rguenther@suse.de>
4078 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
4079 and TREE_THIS_VOLATILE.
4080 (copy_ref_info): Likewise.
4081 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
4082 * tree.c (build6_stat): Ignore side-effects of all but arg5
4083 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
4086 2010-04-01 Richard Guenther <rguenther@suse.de>
4088 PR tree-optimization/43607
4089 * ipa-type-escape.c (check_call): Do not access non-existing
4092 2010-04-01 Richard Guenther <rguenther@suse.de>
4096 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
4097 Jack Howarth <howarth@bromo.med.uc.edu>
4099 * tree-profile.c (tree_init_ic_make_global_vars): Make static
4102 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4104 * doc/install.texi (Prerequisites): Document libelf usability on
4105 IRIX 5/6 and Solaris 2.
4106 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
4107 Update GNU as, GNU ld requirements.
4108 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
4109 Document Sun Studio compiler download.
4110 Update and simplify as, ld recommendations.
4111 (Specific, *-*-solaris2.7): Note obsoletion, removal.
4113 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4115 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
4116 with_tune_32 to pentium4.
4118 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
4120 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
4122 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4124 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
4125 obsoletion, removal.
4127 Document GNU as requirement.
4128 Update configure requirements.
4129 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
4130 Recomment IRIX 6.5.18+.
4131 Document IDF/IDL requirement.
4132 Document GNU as requirement.
4133 Document GNU ld bootstrap failure.
4134 Remove freeware.sgi.com reference.
4136 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4138 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
4139 UNIX V4.0, V5.0 obsoletion, removal.
4140 Remove --with-gc=simple reference.
4141 Update VM requirements during bootstrap.
4142 Remove -oldas bootstrap description.
4143 Update binutils reference.
4144 Remove comparison failure note.
4146 2010-03-31 Richard Guenther <rguenther@suse.de>
4147 Zdenek Dvorak <ook@ucw.cz>
4148 Sebastian Pop <sebastian.pop@amd.com>
4151 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
4152 with multiple arguments.
4153 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
4155 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4157 * graphite-dependences.c (print_pddr): Call print_pdr with an
4159 * graphite-poly.c (debug_pdr): Add an extra argument for the
4162 (print_pbb_domain): Same.
4164 (print_scop_context): Same.
4166 (print_cloog): Same.
4167 (debug_pbb_domain): Same.
4171 (debug_scop_context): Same.
4173 (debug_cloog): Same.
4174 (print_scop_params): Same.
4175 (debug_scop_params): Same.
4176 (print_iteration_domain): Same.
4177 (print_iteration_domains): Same.
4178 (debug_iteration_domain): Same.
4179 (debug_iteration_domains): Same.
4180 (print_scattering_function): Same.
4181 (print_scattering_functions): Same.
4182 (debug_scattering_function): Same.
4183 (debug_scattering_functions): Same.
4184 * graphite-poly.h (debug_pdr): Update declaration.
4186 (print_pbb_domain): Same.
4188 (print_scop_context): Same.
4190 (print_cloog): Same.
4191 (debug_pbb_domain): Same.
4195 (debug_scop_context): Same.
4197 (debug_cloog): Same.
4198 (print_scop_params): Same.
4199 (debug_scop_params): Same.
4200 (print_iteration_domain): Same.
4201 (print_iteration_domains): Same.
4202 (debug_iteration_domain): Same.
4203 (debug_iteration_domains): Same.
4204 (print_scattering_function): Same.
4205 (print_scattering_functions): Same.
4206 (debug_scattering_function): Same.
4207 (debug_scattering_functions): Same.
4209 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4211 * graphite-poly.c (print_scattering_function_1): New.
4212 (print_scattering_function): Call it.
4213 (print_scop_params): Remove spaces at the end of lines.
4216 * graphite-poly.h (print_cloog): Declared.
4217 (debug_cloog): Declared.
4219 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4221 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
4223 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
4224 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
4225 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
4226 to switch between adding the IV bump in loop->latch or in loop->header.
4228 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4230 * graphite-poly.c (print_scattering_function): Pretty print following
4233 (print_pbb_domain): Same.
4234 (dump_gbb_cases): Same.
4235 (dump_gbb_conditions): Same.
4238 (print_scop_params): Same.
4239 (print_scop_context): Same.
4241 (print_pbb_body): New.
4242 (lst_indent_to): New.
4243 (print_lst): Start new lines with a #.
4244 * graphite-poly.h (pbb_bb): New.
4245 (pbb_index): Use pbb_bb.
4246 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
4248 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
4250 2010-03-31 Jakub Jelinek <jakub@redhat.com>
4252 * dwarf2out.c (size_of_die): For -gdwarf-4 use
4253 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
4254 and 0 instead of 1 for dw_val_class_flag.
4255 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
4256 dw_val_class_range_list, dw_val_class_loc_list,
4257 dw_val_class_lineptr and dw_val_class_macptr, use
4258 DW_FORM_flag_present for dw_val_class_flag and
4259 DW_FORM_exprloc for dw_val_class_loc.
4260 (output_die): For -gdwarf-4 print dw_val_class_loc
4261 size as uleb128 instead of 1 or 2 bytes and don't print
4262 anything for dw_val_class_flag.
4264 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
4265 instead of cselib_lookup following by tweaking locs->setting_insn.
4268 * cselib.c (cselib_process_insn): Clear cselib_current_insn
4269 even before returning from label, setjmp call or volatile asm
4272 2010-03-31 Richard Guenther <rguenther@suse.de>
4275 * cgraphunit.c (cgraph_output_in_order): Do not allocate
4276 temporary data on stack.
4278 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4280 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
4281 (PUSHSECTION_ASM_OP): Remove.
4282 (POPSECTION_ASM_OP): Remove.
4283 (PUSHSECTION_FORMAT): Remove.
4284 * config/sol2.h (PUSHSECTION_FORMAT): Define.
4285 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
4286 * config/sol2.c (solaris_output_init_fini): Use it.
4288 2010-03-31 Jie Zhang <jie@codesourcery.com>
4291 * opt-functions.awk (var_type_struct): Use signed char type
4292 for simple variables.
4294 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4296 * config/sol2.c: Include output.h.
4297 (solaris_assemble_visibility): New function.
4298 * config/t-sol2 (sol2.o): Add output.h dependency.
4299 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
4300 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
4303 2010-03-31 Jakub Jelinek <jakub@redhat.com>
4306 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
4307 V2SImode or XFmode on PRE_DEC.
4310 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
4313 2010-03-31 Jie Zhang <jie@codesourcery.com>
4316 * reload.h (caller_save_initialized_p): Declare.
4317 * toplev.c (backend_init_target): Don't call
4318 init_caller_save but set caller_save_initialized_p to false.
4319 * caller-save.c (caller_save_initialized_p): Define.
4320 (init_caller_save): Check caller_save_initialized_p.
4321 * ira.c (ira): Call init_caller_save if flag_caller_saves.
4323 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4326 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
4327 and soft-fp/t-softfp to tmake_file.
4328 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
4329 (LIBGCC2_TF_CEXT): Define.
4332 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
4335 * cselib.c (n_useless_values): Document handling of debug locs.
4336 (n_useless_debug_values, n_debug_values): New variables.
4337 (new_elt_loc_list): Don't add to debug values, keep count.
4338 (promote_debug_loc): New.
4339 (cselib_reset_table): Zero new variables.
4340 (entry_and_rtx_equal_p): Promote debug locs.
4341 (discard_useless_locs): Increment n_useless_debug_values for
4343 (remove_useless_values): Adjust n_useless_values and n_debug_values
4344 with n_useless_debug_values.
4345 (add_mem_for_addr): Promote debug locs.
4346 (cselib_lookup_mem): Likewise.
4347 (cselib_lookup_addr): Renamed to...
4348 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
4349 (cselib_log_lookup): ... this. Turn into...
4350 (cselib_lookup_addr): ... new wrapper.
4351 (cselib_lookup_from_insn): New.
4352 (cselib_invalidate_regno): Increment n_useless_debug_values for
4354 (cselib_invalidate_mem): Likewise.
4355 (cselib_process_insn): Take n_deleted and n_debug_values into
4356 account to guard remove_useless_value call.
4357 (cselib_finish): Zero n_useless_debug_values.
4358 * cselib.h (cselib_lookup_from_insn): Declare.
4359 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
4360 (sched_analyze_2): Likewise.
4362 2010-03-30 Jakub Jelinek <jakub@redhat.com>
4364 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
4366 (adjust_mems): Replace narrowing SUBREG of expression containing
4367 just PLUS, MINUS, MULT and ASHIFT of registers and constants
4368 with operations in the narrower mode.
4371 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
4372 regs_invalidated_by_call instead all call_used_reg_set registers.
4374 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
4377 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
4378 pointer comparisons with types_compatible_p.
4379 * tree-vect-stmts.c (vectorizable_call): Same.
4380 (vectorizable_condition): Same.
4382 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4384 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
4385 stack check if the mask would be zero.
4387 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
4388 Jack Howarth <howarth@bromo.med.uc.edu>
4390 * tree-profile.c (tree_init_ic_make_global_vars): Make static
4393 2010-03-30 Joseph Myers <joseph@codesourcery.com>
4396 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
4398 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
4399 Include ___unordxf2 and ___unordtf2.
4400 * config/i386/libgcc-glibc.ver: Do not define inheritance from
4403 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
4405 * config/lm32/t-lm32: New file.
4406 * config.gcc: Use the above file when targetting lm32.
4408 2010-03-28 Duncan Sands <baldrick@free.fr>
4410 * Makefile.in (PLUGIN_HEADERS): Add except.h.
4412 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4415 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
4416 Improve vectorization cost model diagnostic.
4418 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4421 * tree-vect-data-refs.c (vect_analyze_data_refs): When
4422 compute_data_dependences_for_loop returns false, early exit
4423 and output an extra diagnostic for the failed data reference
4426 2010-03-29 Richard Guenther <rguenther@suse.de>
4428 PR tree-optimization/43560
4429 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
4430 (can_sm_ref_p): Treat stores to readonly locations as trapping.
4432 2010-03-29 Jie Zhang <jie@codesourcery.com>
4435 * toplev.c (process_options): Set optimization_default_node
4436 and optimization_current_node.
4437 * opts.c (decode_options): Don't set optimization_default_node
4438 and optimization_current_node.
4440 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
4442 * config/rtems.h: Abandon -qrtems_debug.
4444 2010-03-28 Jan Hubicka <jh@suse.cz>
4446 PR tree-optimization/43505
4447 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
4448 map should not be copied.
4450 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4453 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
4454 cdtors, set DECL_PRESERVE_P.
4455 * ipa.c (cgraph_externally_visible_p): Return true if declaration
4458 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
4460 PR tree-optimization/43528
4461 * stor-layout.c (place_field): Check that constant fits into
4462 unsigned HWI when skipping calculation of MS bitfield layout.
4464 2010-03-27 Jan Hubicka <jh@suse.cz>
4467 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
4468 notice_global_symbol work.
4470 2010-03-27 Jakub Jelinek <jakub@redhat.com>
4472 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
4473 instead of dwarf2out_decl.
4474 (struct var_loc_node): Remove section_label field.
4475 (dwarf2out_function_decl): New function.
4476 (dwarf2out_var_location): Don't set section_label field.
4477 (dwarf2out_begin_function): Don't empty decl_loc_table here.
4479 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
4481 PR tree-optimization/43544
4482 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4483 First argument for builtin vectorized function hook is now a
4484 tree to be able to distinguish between machine specific and
4486 * targhooks.c (default_builtin_vectorized_function): Ditto.
4487 * targhooks.h (default_builtin_vectorized_function): Ditto.
4488 * target.h (struct gcc_target): Ditto.
4489 * tree-vect-stmts.c (vectorizable_function): Ditto.
4490 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
4491 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
4494 2010-03-26 Joseph Myers <joseph@codesourcery.com>
4497 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
4498 nested binding iff it is a FUNCTION_DECL.
4499 (store_parm_decls_newstyle): Pass nested=true to bind for
4500 FUNCTION_DECLs amongst parameters.
4502 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4504 * var-tracking.c (vt_expand_loc_callback): Don't run
4505 cselib_expand_value_rtx_cb in dummy mode if
4506 cselib_dummy_expand_value_rtx_cb returned false.
4508 * var-tracking.c (emit_note_insn_var_location): For one part
4509 notes with offset 0, don't add EXPR_LIST around the location.
4510 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
4511 add_location_or_const_value_attribute): Adjust for that change.
4514 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
4515 into first operand and location into second.
4516 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
4517 dw_cfi_oprnd_loc for DW_CFA_expression.
4518 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
4519 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
4520 assume first argument is regnum and second argument is location.
4522 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4525 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
4526 of scratch register to DImode. Split to DImode comparison operator.
4527 Use SImode subreg of scratch register in the multiplication.
4528 (*cmp_sadd_sidi): Ditto.
4529 (*cmp_ssub_si): Ditto.
4530 (*cmp_ssub_sidi): Ditto.
4532 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4535 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
4536 Remove invalid assert and wrong comment.
4538 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4541 * flags.h (final_insns_dump_p): New extern.
4542 * final.c (final_insns_dump_p): New variable.
4543 (rest_of_clean_state): Set it before -fdump-final-insns=
4544 dumping, clear afterwards.
4545 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
4546 MEM_ALIAS_SET on MEMs.
4548 2010-03-26 David S. Miller <davem@davemloft.net>
4550 * configure.ac: Fix sparc GOTDATA_OP bug check.
4551 * configure: Rebuild.
4553 2010-03-26 Alan Modra <amodra@gmail.com>
4555 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
4557 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4559 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
4560 TLS_SECTION_ASM_FLAG.
4562 2010-03-25 Jakub Jelinek <jakub@redhat.com>
4565 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
4566 Clear first_function_block_is_cold.
4569 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
4570 argument if the argument is truth_value_p.
4572 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
4574 * config/rs6000/constraints.md: Update copyright year for my changes.
4577 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
4578 used in reg+reg addressing, swap registers.
4580 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4583 * target.h (struct gcc_target): Add code_end hook.
4584 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
4586 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
4587 * toplev.c (compile_file): Call targetm.asm_out.code_end
4588 hook before unwind info/debug info output.
4589 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
4590 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
4591 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4592 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
4593 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4594 * config/i386/i386.c (ix86_file_end): Renamed to...
4595 (ix86_code_end): ... this. Make static. Don't call
4596 file_end_indicate_exec_stack. Emit unwind info using
4597 final_start_function/final_end_function.
4598 (darwin_x86_file_end): Remove.
4599 (TARGET_ASM_CODE_END): Define.
4600 * config/i386/i386.h (TARGET_ASM_FILE_END,
4601 NEED_INDICATE_EXEC_STACK): Don't define.
4602 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
4603 (TARGET_ASM_FILE_END): Define to darwin_file_end.
4604 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
4605 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
4608 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
4609 at the beginning and final_end_function at the end.
4610 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
4612 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4614 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
4615 and Sun as TLS syntax.
4616 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
4617 * configure: Regenerate.
4618 * config.in: Regenerate.
4619 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
4620 (default_elf_asm_named_section): Use it.
4621 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
4622 (i386_output_dwarf_dtprel): Likewise.
4623 (output_addr_const_extra): Likewise.
4624 (output_pic_addr_const): Lowercase @GOTTPOFF.
4625 (output_addr_const_extra): Likewise.
4626 (output_pic_addr_const): Lowercase @GOTNTPOFF.
4627 (output_addr_const_extra): Likewise.
4628 (output_pic_addr_const): Lowercase @INDNTPOFF.
4629 (output_addr_const_extra): Likewise.
4630 (output_pic_addr_const): Lowercase @NTPOFF.
4631 (output_addr_const_extra): Likewise.
4632 (output_pic_addr_const): Lowercase @TPOFF.
4633 (output_addr_const_extra): Likewise.
4634 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
4635 (*tls_global_dynamic_64): Likewise.
4636 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
4637 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
4639 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
4640 (ASM_OUTPUT_TLS_COMMON): Use it.
4641 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
4644 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
4645 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
4646 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
4647 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
4648 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4649 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
4651 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4653 * config/i386/i386.c (override_options): Don't accept
4654 -mtls-dialect=sun any longer.
4655 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
4656 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
4657 (*tls_local_dynamic_base_32_sun): Likewise.
4658 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4660 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4663 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
4664 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
4667 * ira.c (adjust_cleared_regs): New function.
4668 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
4672 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
4674 * expr.c (expand_expr_real): Restore previous
4675 curr_insn_source_location and curr_insn_block after
4676 expand_expr_real_1 call.
4677 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
4678 instead of expand_expr_real_1.
4680 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
4682 PR rtl-optimization/43413
4683 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
4686 2010-03-22 James E. Wilson <wilson@codesourcery.com>
4689 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
4690 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
4692 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
4694 * config/i386/i386.c (ix86_target_string): Add -mfma.
4695 Fix a typo in comment.
4697 2010-03-22 Mike Stump <mikestump@comcast.net>
4700 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4701 Don't overly align based upon packed packed fields.
4703 2010-03-22 Jason Merrill <jason@redhat.com>
4705 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
4706 Use () rather than [], and move before the element type.
4708 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4710 * doc/configfiles.texi (Configuration Files): Removed
4711 fixinc/Makefile*, intl/Makefile.*.
4712 * doc/makefile.texi: Fixed markup. Abstract from version
4713 control system used.
4714 (Makefile): Removed obsolete gcc/java/parse.y example.
4715 * doc/sourcebuild.texi: Likewise.
4716 (Top Level): Added config, gnattools, libdecnumber, libgcc,
4717 libgomp, libssp. Removed fastjar.
4718 (Miscellaneous Docs): Clarify location.
4719 Added COPYING3, COPYING3.LIB.
4720 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
4722 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4725 * config/i386/i386.c (x86_function_profiler)
4726 [!NO_PROFILE_COUNTERS]: Fix typo.
4727 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
4730 2010-03-22 Janis Johnson <janis187@us.ibm.com>
4731 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4733 * doc/sourcebuild.texi (Test Directives): Split into six
4734 subsections, with most of the current text in new subsections
4735 Directives, Selectors, and Final Actions.
4736 (Directives): Split list of test directives into multiple
4738 (Selectors): Describe use and syntax of selectors.
4739 (Effective-Target Keywords): Describe all existing keywords.
4740 (Add Options): Describe features for dg-add-options.
4741 (Require Support): Describe variants of dg-require-support.
4742 (Final Actions): Describe commands to use in dg-final.
4744 2010-03-22 Michael Matz <matz@suse.de>
4747 * recog.c (validate_replace_rtx_group): Replace also in
4748 REG_EQUAL and REG_EQUIV notes.
4750 2010-03-22 Richard Guenther <rguenther@suse.de>
4752 PR tree-optimization/43390
4753 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
4754 sure vector extracts are type correct.
4756 2010-03-22 Richard Guenther <rguenther@suse.de>
4759 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
4760 x * sqrt (x) even when optimizing for size if the target
4761 has native support for sqrt.
4763 2010-03-22 Jakub Jelinek <jakub@redhat.com>
4765 * varasm.c (make_decl_rtl_for_debug): Also clear
4766 flag_mudflap for the duration of make_decl_rtl call.
4769 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
4770 locs from preserved VALUEs.
4772 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4775 * pa.md (movmemsi): Set align to one if zero.
4776 (movmemdi): Likewise.
4778 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
4781 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
4782 with their corresponding prologue pushes.
4784 2010-03-20 Andrew Pinski <pinskia@gmail.com>
4787 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
4788 at the begining or end.
4789 (spu_expand_epilogue): Likewise.
4791 2010-03-20 Richard Guenther <rguenther@suse.de>
4793 PR rtl-optimization/43438
4794 * combine.c (make_extraction): Properly zero-/sign-extend an
4795 extraction of the low part of a CONST_INT. Also handle
4798 2010-03-19 Mike Stump <mikestump@comcast.net>
4800 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
4801 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
4802 (override_options): Use SUBTARGET32_DEFAULT_CPU.
4804 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4807 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
4810 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
4812 PR rtl-optimization/42258
4813 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
4814 use that may match DEF.
4817 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
4818 the cost of loading the constant rather than assuming
4820 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
4821 outer code is AND, do the same tests as the andsi3 expander and
4822 return COSTS_N_INSNS (1) if and is cheap.
4824 * optabs.c (avoid_expensive_constant): Fix formatting.
4826 2010-03-19 Michael Matz <matz@suse.de>
4829 * attribs.c (decl_attributes): When rebuilding a function pointer
4830 type use the same qualifiers as the original pointer type.
4832 2010-03-19 Martin Jambor <mjambor@suse.cz>
4834 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
4835 and is_gimple_ip_invariant_address.
4837 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4840 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4842 * config/arm/arm.c (arm_override_options): Turn off
4843 flag_dwarf2_cfi_asm for AAPCS variants.
4845 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4848 * config/arm/arm.c (emit_multi_reg_push): Update comments.
4849 Use PRE_MODIFY instead of PRE_DEC.
4850 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
4851 (vfp_emit_fstmd): Likewise.
4853 2010-03-19 Michael Matz <matz@suse.de>
4856 * builtins.c (expand_builtin_interclass_mathfn,
4857 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
4860 2010-03-19 Richard Guenther <rguenther@suse.de>
4862 PR tree-optimization/43415
4863 * tree-ssa-pre.c (phi_translate): Split out worker to ...
4864 (phi_translate_1): ... this.
4865 (phi_translate): Move all caching here. Cache all NARY
4866 and REFERENCE translations.
4868 2010-03-19 David S. Miller <davem@davemloft.net>
4870 With help from Eric Botcazou.
4871 * config/sparc/sparc.c: Include dwarf2out.h.
4872 (emit_pic_helper): Delete.
4873 (pic_helper_symbol_name): Delete.
4874 (pic_helper_emitted_p): Delete.
4875 (pic_helper_needed): New.
4876 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
4877 (get_pc_thunk_name): New.
4878 (load_pic_register): Remove 'delay_pic_helper' arg. Use
4879 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
4880 Set pic_helper_needed to true. Don't call emit_pic_helper.
4881 (sparc_expand_prologue): Update load_pic_register call.
4882 (sparc_output_mi_thunk): Likewise.
4883 (sparc_file_end): Emit a hidden comdat symbol for the PIC
4884 thunk if possible. Output CFI information as needed.
4886 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
4887 Jack Howarth <howarth@bromo.med.uc.edu>
4890 * config/i386/i386.h: Fix ABI on darwin x86-32.
4892 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
4894 * tree.h: Declare make_decl_rtl_for_debug.
4895 * varasm.c (make_decl_rtl_for_debug): New.
4896 * dwarf2out.c (rtl_for_decl_location): Call it.
4897 * cfgexpand.c (expand_debug_expr): Call it.
4899 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4902 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
4906 * var-tracking.c (vt_init_cfa_base): Do nothing if
4907 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
4909 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
4912 * var-tracking.c (canonicalize_vars_star): New.
4913 (dataflow_post_merge_adjust): Use it.
4915 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4918 * var-tracking.c (non_suitable_const): New function.
4919 (add_uses): For DEBUG_INSNs with constants, don't record any
4920 value, instead just the constant value itself.
4921 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
4922 is not VAR_LOC_UNKNOWN_P, set var to the constant.
4923 (emit_notes_in_bb): Likewise.
4924 (emit_note_insn_var_location): For onepart variables if
4925 cur_loc is a VOIDmode constant, use DECL_MODE.
4927 2010-03-18 Martin Jambor <mjambor@suse.cz>
4930 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
4931 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
4932 all non-clones. Moved call redirection...
4933 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
4934 (cgraph_materialize_all_clones): Dispose of all
4935 combined_args_to_skip bitmaps.
4936 (verify_cgraph_node): Do not check for edges pointing to wrong
4937 nodes in inline clones.
4938 * tree-inline.c (copy_bb): Call
4939 cgraph_redirect_edge_call_stmt_to_callee.
4940 * ipa.c (cgraph_remove_unreachable_nodes): Call
4941 cgraph_node_remove_callees even when there are used clones.
4943 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4945 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
4947 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
4950 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
4953 2010-03-18 Michael Matz <matz@suse.de>
4956 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
4957 into sqrt(x) if we need to preserve signed zeros.
4959 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
4960 Eric Botcazou <ebotcazou@adacore.com>
4962 PR rtl-optimization/43360
4963 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
4964 note if we don't know its invariant status.
4966 2010-03-18 Michael Matz <matz@suse.de>
4968 PR tree-optimization/43402
4969 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
4970 PHI chains of ssa names registered for update.
4972 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
4975 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
4976 non-offsettable and pre_modify update addressing.
4977 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
4978 and "2" alternatives "#".
4979 (*movdd_softfloat32): Make all alternatives "#";
4980 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
4981 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
4982 (*movdf_softfloat32): Make all alternatives "#";
4983 (movdi): Use the new DIFD mode iterator to create a common splitter
4984 for movdi, movdf and movdd patterns.
4986 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
4988 * common.opt (dumpdir): Remove redundant tab.
4990 2010-03-17 Martin Jambor <mjambor@suse.cz>
4992 PR tree-optimization/43347
4993 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
4994 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
4996 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
4998 PR rtl-optimization/42216
4999 * regrename.c (create_new_chain): New function, broken out from...
5000 (scan_rtx_reg): ... here. Call it. Handle the case where we are
5001 appending a use to an empty chain.
5002 (build_def_use): Remove previous changes that convert OP_INOUT to
5003 OP_OUT operands; instead detect the case where an OP_INOUT operand
5004 uses a previously untracked register and create an empty chain for it.
5006 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5008 * doc/extend.texi (Function Attributes): Rewrite unfinished
5009 sentence in ms_abi documentation.
5011 2010-03-17 Alan Modra <amodra@gmail.com>
5013 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
5014 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
5015 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
5016 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
5018 2010-03-16 Richard Henderson <rth@redhat.com>
5021 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
5022 (lower_try_finally): Save and restore eh_seq around the expansion
5025 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
5027 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
5028 statements before splitting block.
5030 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5032 * doc/sourcebuild.texi (Testsuites): Fix markup.
5033 Use pathnames relative to gcc/testsuite.
5034 (Test Directives): Move description of how timeout is determined.
5035 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
5036 (C Tests): Correct gcc.misc-tests directory.
5037 Framework tests now live in gcc.test-framework.
5039 2010-03-16 Richard Guenther <rguenther@suse.de>
5042 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
5043 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
5045 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
5046 Alexandre Oliva <aoliva@redhat.com>
5048 PR tree-optimization/42917
5049 * lambda-code.c (remove_iv): Skip debug statements.
5050 (lambda_loopnest_to_gcc_loopnest): Likewise.
5051 (not_interesting_stmt): Debug statements are not interesting.
5053 2010-03-16 Jakub Jelinek <jakub@redhat.com>
5057 * cselib.c (cselib_preserve_constants,
5058 cfa_base_preserved_val): New static variables.
5059 (preserve_only_constants): New function.
5060 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
5061 clear its REG_VALUES. If cselib_preserve_constants, don't
5062 empty the whole hash table, but preserve there VALUEs with constants,
5063 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
5064 (cselib_preserve_cfa_base_value): New function.
5065 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
5066 (cselib_init): Change argument to int bitfield. Set
5067 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
5069 (cselib_finish): Clear cselib_preserve_constants and
5070 cfa_base_preserved_val.
5071 * cselib.h (enum cselib_record_what): New enum.
5072 (cselib_init): Change argument to int.
5073 (cselib_preserve_cfa_base_value): New prototype.
5074 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
5075 * dse.c (dse_step1): Likewise.
5076 * cfgcleanup.c (thread_jump): Likewise.
5077 * sched-deps.c (sched_analyze): Likewise.
5078 * gcse.c (local_cprop_pass): Likewise.
5079 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
5080 If FN is non-NULL, call the callback always and whenever it returns
5081 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
5082 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
5083 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
5084 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
5085 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
5086 * var-tracking.c: Include recog.h.
5087 (bb_stack_adjust_offset): Remove.
5088 (vt_stack_adjustments): Don't call it, instead just gather the
5089 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
5090 (adjust_stack_reference): Remove.
5091 (compute_cfa_pointer): New function.
5092 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
5093 (struct adjust_mem_data): New type.
5094 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
5096 (get_address_mode): New function.
5097 (replace_expr_with_values): Use it.
5098 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
5099 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
5100 (adjust_sets): Remove.
5101 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
5102 Use get_address_mode.
5103 (get_adjusted_src): Remove.
5104 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
5105 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
5106 (add_with_sets): Don't call adjust_sets.
5107 (fp_setter, vt_init_cfa_base): New functions.
5108 (vt_initialize): Change return type to bool. Move most of pool etc.
5109 initialization to the beginning of the function from end. Pass
5110 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
5111 If !frame_pointer_needed, call vt_stack_adjustment before mos
5112 vector is filled, call vt_init_cfa_base if argp/framep has been
5113 eliminated to sp. If frame_pointer_needed and argp/framep has
5114 been eliminated to hard frame pointer, set
5115 hard_frame_pointer_adjustment and call vt_init_cfa_base after
5116 encountering fp setter in the prologue. For MO_ADJUST, call
5117 log_op_type before pusing the op into mos vector, not afterwards.
5118 Call adjust_insn before cselib_process_insn/add_with_sets,
5119 call cancel_changes (0) afterwards.
5120 (variable_tracking_main_1): Adjust for vt_initialize calling
5121 vt_stack_adjustments and returning whether it succeeded or not.
5123 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
5125 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
5128 2010-03-15 Jakub Jelinek <jakub@redhat.com>
5130 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
5132 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
5133 drap_reg has not been set.
5135 2010-03-15 Michael Matz <matz@suse.de>
5138 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
5139 use it to expand block copies.
5140 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
5141 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
5142 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
5144 2010-03-15 Richard Guenther <rguenther@suse.de>
5146 PR tree-optimization/43367
5147 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
5150 2010-03-15 Richard Guenther <rguenther@suse.de>
5152 PR tree-optimization/43317
5153 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
5155 2010-03-15 Martin Jambor <mjambor@suse.cz>
5157 PR tree-optimization/43141
5158 * tree-sra.c (create_abstract_origin): New function.
5159 (modify_function): Call create_abstract_origin.
5161 2010-03-15 Chris Demetriou <cgd@google.com>
5163 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
5166 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5169 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
5170 call insert_out_of_ssa_copy for default definitions.
5172 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5174 * graphite-clast-to-gimple.c (my_long_long): Defined.
5175 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
5176 * graphite-sese-to-poly.c (my_long_long): Defined.
5177 (scop_ivs_can_be_represented): Use it.
5179 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5181 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
5182 graphite-max-bbs-per-function, and loop-block-tile-size.
5183 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
5185 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
5187 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5189 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
5190 forward declaration.
5191 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
5192 (add_upper_bounds_from_estimated_nit): New.
5193 (build_loop_iteration_domains): Use it.
5195 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5197 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
5199 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5202 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
5203 should be an INTEGER_CST. Also handle CASE_CONVERT.
5205 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5207 * graphite.c (graphite_initialize): To bound the number of bbs per
5208 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
5209 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
5210 * doc/invoke.texi: Document it.
5212 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5214 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
5215 * graphite-sese-to-poly.h (build_poly_scop): Same.
5217 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5219 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
5220 the number of parameters in the scop. Use as an upper bound
5221 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
5222 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
5223 * doc/invoke.texi: Document it.
5225 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
5227 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
5228 * doc/c-tree.texi: Remove.
5229 * doc/generic.texi: Merge c-tree.texi here.
5230 * doc/gccint.texi (Trees): Remove menu entry.
5231 (c-tree.texi): Remove @include.
5232 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
5233 * doc/languages.texi (Reading RTL): Ditto.
5235 2010-03-12 Steve Ellcey <sje@cup.hp.com>
5238 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
5240 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
5243 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
5244 code added to work around reload clobbering CONST insns.
5246 2010-03-12 Jakub Jelinek <jakub@redhat.com>
5248 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
5249 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
5250 (cselib_preserve_only_values): Remove retain argument, don't
5251 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
5252 * cselib.h (cselib_preserve_only_values): Remove retain argument.
5253 * var-tracking.c (micro_operation): Move insn field before union.
5254 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
5255 (struct variable_tracking_info_def): Remove n_mos field, change
5256 mos into a vector of micro_operations.
5257 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
5258 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
5259 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
5260 changing into a vector.
5261 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
5262 come before all other uops generated by add_stores.
5263 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
5265 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
5266 a vector. Run just one pass over the bbs instead of separate counting
5267 and computation phase.
5268 (vt_finalize): Free VTI (bb)->mos vector instead of array.
5271 * tree-inline.c (remap_decls): Put old_var rather than origin_var
5272 into *nonlocalized_list vector.
5273 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
5274 even if origin is non-NULL.
5275 (gen_variable_die): Likewise.
5276 (process_scope_var): Don't change origin.
5277 (gen_decl_die): Likewise.
5278 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
5279 before adding new edges instead of after it, fix moving over
5282 2010-03-11 David S. Miller <davem@davemloft.net>
5284 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
5286 * configure: Rebuild.
5288 2010-03-11 Martin Jambor <mjambor@suse.cz>
5290 PR tree-optimization/43257
5291 * tree.c (assign_assembler_name_if_neeeded): New function.
5292 (free_lang_data_in_cgraph): Assembler name assignment moved to the
5294 * tree.h (assign_assembler_name_if_neeeded): Declare.
5295 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
5296 the function if needed.
5298 2010-03-11 Chris Demetriou <cgd@google.com>
5300 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
5301 include/stdint-gcc.h, and include/stdint.h world-readable.
5303 2010-03-11 Richard Guenther <rguenther@suse.de>
5305 PR tree-optimization/43255
5306 * tree-vrp.c (process_assert_insertions_for): Do not insert
5307 asserts for trivial conditions.
5309 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5311 PR tree-optimization/43280
5312 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
5313 generation. Move calculation of size out of the if branch.
5314 (find_bswap): Modify compare number generation.
5316 2010-03-11 Richard Guenther <rguenther@suse.de>
5319 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
5320 (input_gimple_stmt): Fixup handled component types during
5321 operand read. Also fix up decls in ADDR_EXPRs.
5323 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
5325 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
5326 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
5328 2010-03-10 Jan Hubicka <jh@suse.cz>
5331 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
5332 * varasm.c (get_variable_section): Don't do that here...
5333 (make_decl_rtl): ... and here.
5334 (do_assemble_alias): Produce decl RTL.
5335 (assemble_alias): Likewise.
5337 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5340 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
5341 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
5343 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
5344 (based_loc_descr): Only express drap or vdrap regno based expressions
5345 using DW_OP_fbreg when not optimizing.
5346 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
5347 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
5348 REG_CFA_SET_VDRAP note.
5350 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
5352 PR tree-optimization/43236
5353 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
5354 error in calculation of base address in reverse iteration case.
5355 (generate_builtin): Take number of latch executions if the statement
5358 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
5361 * tree-eh.c: Include pointer-set.h.
5362 (lower_eh_dispatch): Filter out duplicate case labels and
5363 remove the unneeded edge when the label is unused. Return
5364 true when some edges are removed.
5365 (execute_lower_eh_dispatch): When any lowering resulted in
5366 removing an edge, also delete unreachable blocks.
5368 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5371 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
5372 UNSPEC_MACHOPIC_OFFSET.
5374 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
5377 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
5378 (m68k_delegitimize_address): New function.
5380 2010-03-09 Jakub Jelinek <jakub@redhat.com>
5383 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
5386 * var-tracking.c (adjust_sets): New function.
5387 (count_with_sets, add_with_sets): Use it.
5388 (get_adjusted_src): New inline function.
5389 (add_stores): Use it.
5392 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
5393 call cselib_dummy_expand_value_rtx_cb instead of
5394 cselib_expand_value_rtx_cb.
5397 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
5398 * config/i386/i386.c: Include debug.h and dwarf2out.h.
5399 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
5400 and .cfi_endproc around the pic thunks.
5401 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
5402 all queued unwind info register saves are saved before the call.
5403 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
5404 considered as sp-=4 for unwind info and the pop as sp+=4 which
5405 also clobbers dest, but doesn't actually restore it.
5408 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
5409 RTX_FRAME_RELATED_P.
5411 2010-03-09 Jie Zhang <jie@codesourcery.com>
5413 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
5414 whitespaces in output template.
5416 2010-03-09 Jie Zhang <jie@codesourcery.com>
5418 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
5421 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5423 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
5424 builtins.exp in a separate job.
5426 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5428 * graphite-sese-to-poly.c (add_param_constraints): Use
5429 lower_bound_in_type and upper_bound_in_type.
5431 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5433 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
5434 instead of unsigned_type_node.
5436 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5437 Reza Yazdani <reza.yazdani@amd.com>
5440 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
5441 on pointer type parameters.
5443 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5447 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
5448 handle conversions from pointer to integers.
5449 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
5450 induction variable, to be able to work with code generated by CLooG.
5451 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
5452 (build_poly_scop): Bail out if we cannot codegen a loop.
5454 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5456 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
5457 code generation with gloog_error.
5459 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5461 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
5462 Call fold_convert on all the returned values.
5463 (expand_scalar_variables_expr): Pass to
5464 expand_scalar_variables_ssa_name the type of the resulting expression.
5466 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5468 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
5469 ppl_min_for_le_pointset.
5470 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
5471 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
5473 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5475 * graphite-dependences.c (map_into_dep_poly): Removed.
5476 (dependence_polyhedron_1): Use combine_context_id_scat.
5478 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5480 * graphite-poly.h (struct poly_scattering): Add layout documentation.
5481 (struct poly_bb): Same.
5482 (combine_context_id_scat): New.
5484 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5487 * sese.c (name_defined_in_loop_p): Return false for default
5490 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5492 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
5493 and clean up the logic.
5495 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5497 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
5500 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5502 * var-tracking.c (remove_cselib_value_chains): Define only for
5504 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
5505 delete_slot_part, emit_notes_for_differences_1): Don't call
5506 remove_cselib_value_chains here.
5507 (set_slot_part, emit_notes_for_differences_2): Don't call
5508 add_cselib_value_chains here.
5509 (preserved_values): New vector.
5510 (preserve_value): New function.
5511 (add_uses, add_stores, vt_add_function_parameters): Use it
5512 instead of cselib_preserve_value.
5513 (changed_values_stack): New vector.
5514 (check_changed_vars_0): New function.
5515 (check_changed_vars_1, check_changed_vars_2): Use it.
5516 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
5517 changed_values_stack VALUEs.
5518 (vt_emit_notes): For all preserved_values call
5519 add_cselib_value_chains. If ENABLE_CHECKING call
5520 remove_cselib_value_chains before verifying value_chains is empty.
5521 Initialize and free changed_values_stack.
5522 (vt_initialize): Initialize preserved_values.
5523 (vt_finalize): Free preserved_values.
5525 2010-03-08 Richard Guenther <rguenther@suse.de>
5527 PR tree-optimization/43269
5528 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
5531 2010-03-08 Martin Jambor <mjambor@suse.cz>
5533 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
5534 (ipa_is_param_called): Removed.
5535 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
5536 (ipa_print_node_params): Do not print the called flag.
5537 (ipa_write_node_info): Do not stream the called flag.
5538 (ipa_read_node_info): Likewise.
5540 2010-03-07 Jakub Jelinek <jakub@redhat.com>
5543 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
5544 * cselib.c (struct expand_value_data): Add dummy field.
5545 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
5547 (cselib_dummy_expand_value_rtx_cb): New function.
5548 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
5550 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
5551 * var-tracking.c: Include pointer-set.h.
5552 (variable): Change n_var_parts to char from int. Add
5553 cur_loc_changed and in_changed_variables fields.
5554 (variable_canonicalize): Remove.
5555 (shared_var_p): New inline function.
5556 (unshare_variable): Maintain cur_loc_changed and
5557 in_changed_variables fields. If var was in changed_variables,
5558 replace it there with new_var. Just copy cur_loc instead of
5559 resetting it to something else.
5560 (variable_union): Don't recompute cur_loc. Use shared_var_p.
5561 (dataflow_set_union): Don't call variable_canonicalize.
5562 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
5563 of their DEBUG_EXPR_TREE_DECLs.
5564 (canonicalize_loc_order_check): Verify that cur_loc is NULL
5565 and in_changed_variables and cur_loc_changed is false.
5566 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
5567 and cur_loc_changed. Don't update cur_loc here.
5568 (variable_merge_over_src): Don't call variable_canonicalize.
5569 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
5570 removing loc that is equal to cur_loc, clear cur_loc,
5571 set cur_loc_changed and ensure variable_was_changed is called.
5572 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
5573 compare pointers in cur_loc check, if it is equal to loc,
5574 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
5575 (variable_different_p): Remove compare_current_location argument,
5576 don't compare cur_loc.
5577 (dataflow_set_different_1): Adjust variable_different_p caller.
5578 (variable_was_changed): If dv had some var in changed_variables
5579 already, reset in_changed_variables flag for it and propagate
5580 cur_loc_changed over to the new variable. On empty var
5581 always set cur_loc_changed. Set in_changed_variables on whatever
5582 var is added to changed_variables.
5583 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
5584 Use shared_var_p. When removing loc that is equal to cur_loc,
5585 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
5586 end, don't set it to something else, just call variable_was_changed.
5587 (delete_slot_part): Use shared_var_p. When cur_loc equals to
5588 loc being removed, clear cur_loc and set cur_loc_changed.
5589 Set cur_loc_changed if all locations have been removed.
5590 (struct expand_loc_callback_data): New type.
5591 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
5592 allocated. Always create SUBREGs if simplify_subreg failed.
5593 Prefer to use cur_loc, when that fails and still in
5594 changed_variables (and seen first time) recompute it. Set
5595 cur_loc_changed of variables which had to change cur_loc and
5596 compute elcd->cur_loc_changed if any of the subexpressions used
5597 had to change cur_loc.
5598 (vt_expand_loc): Adjust to pass arguments in
5599 expand_loc_callback_data structure.
5600 (vt_expand_loc_dummy): New function.
5601 (emitted_notes): New variable.
5602 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
5603 that weren't used for any other decl in current
5604 emit_notes_for_changes call call vt_expand_loc_dummy to update
5605 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
5606 first loc_chain location if NULL before. Always use just
5607 cur_loc instead of first loc_chain location. When cur_loc_changed
5608 is false, when not --enable-checking=rtl just don't emit any note.
5609 When rtl checking, compute the note and assert it is the same
5610 as previous note. Clear cur_loc_changed and in_changed_variables
5611 at the end before removing from changed_variables.
5612 (check_changed_vars_3): New function.
5613 (emit_notes_for_changes): Traverse changed_vars to call
5614 check_changed_vars_3 on each changed var.
5615 (emit_notes_for_differences_1): Clear cur_loc_changed and
5616 in_changed_variables. Recompute cur_loc of new_var.
5617 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
5618 (vt_emit_notes): Initialize and destroy emitted_notes.
5620 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
5622 PR rtl-optimization/42220
5623 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
5624 Use verify_reg_tracked to determine if we should use OP_OUT rather
5626 (build_def_use): If we see an in-out operand for a register that we
5627 know nothing about, treat is an output if possible, fail the block if
5630 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5633 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
5636 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5639 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
5640 uses of relevant DEFs that are dead outside the loop too.
5642 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5644 * var-tracking.c (dataflow_set_merge): Swap src and src2.
5646 2010-01-13 Jakub Jelinek <jakub@redhat.com>
5648 * var-tracking.c (values_to_unmark): New variable.
5649 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
5650 values_to_unmark vector. Moved body to...
5651 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
5652 instead queue it into values_to_unmark vector.
5653 (vt_find_locations): Free values_to_unmark vector.
5655 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
5657 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
5658 (site.exp): Export them when plugins are enabled.
5660 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
5663 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
5665 (chrec_fold_multiply): Same.
5667 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
5670 * c-decl.c (build_compound_literal): Return early if init is
5673 2010-03-04 Martin Jambor <mjambor@suse.cz>
5675 PR tree-optimization/43164
5676 PR tree-optimization/43191
5677 * tree-sra.c (type_consists_of_records_p): Reject records with
5678 zero-size bit-fields at the end.
5680 2010-03-04 Mike Stump <mikestump@comcast.net>
5682 * Makefile.in (TAGS): Remove *.y.
5684 2010-03-04 Richard Guenther <rguenther@suse.de>
5686 PR tree-optimization/40761
5687 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
5689 (my_rev_post_order_compute): New function.
5690 (init_pre): Call it.
5692 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
5695 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
5696 decrease the cost of an IV candidate when the cost is infinite.
5698 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5700 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
5701 Use '3DNow!' for the extension of that name, ensure normal space
5703 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
5705 2010-03-03 Jeff Law <law@redhat.com>
5707 * PR middle-end/32693
5708 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
5709 than gen_rtx_SUBREG.
5710 (extract_bit_field_1): Likewise.
5712 2010-03-03 Janis Johnson <janis187@us.ibm.com>
5714 * doc/sourcebuild.texi (Test directives): Document that arguments
5715 include-opts and exclude-opts are now optional for dg-skip-if,
5716 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
5718 2010-03-03 Jason Merrill <jason@redhat.com>
5721 * cgraph.h (varpool_node): Add extra_name field.
5722 * varpool.c (varpool_extra_name_alias): New.
5723 (varpool_assemble_decl): Emit extra name aliases.
5724 (varpool_mark_needed_node): Look past an extra name alias.
5725 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
5726 * lto-streamer-in.c (lto_input_tree): Read it.
5727 * lto-streamer-out.c (output_unreferenced_globals): Write it.
5729 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
5731 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
5732 (sparc*-*-solaris2*): ...this.
5734 2010-03-03 Jakub Jelinek <jakub@redhat.com>
5737 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
5738 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
5739 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
5740 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
5743 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
5744 fallthrough to default handling, just with want_address 0 instead of 2.
5745 For single element lists, add_AT_loc directly, otherwise create an
5746 artificial variable DIE and stick location list to it.
5749 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
5750 (VAL_EXPR_HAS_REVERSE): Define.
5751 (reverse_op): New function.
5752 (add_stores): For reversible operations add an extra MO_VAL_USE.
5754 2010-03-02 Jason Merrill <jason@redhat.com>
5756 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
5758 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
5760 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
5761 (sparc64-*-linux*): Likewise.
5762 (sparc64-*-solaris2*): Include assembler files before linker ones.
5763 (sparc-*-solaris2*): Simplify and reorder to match previous case.
5764 * config/sparc/gas.h: Delete.
5765 * config/sparc/sol2-64.h: Add copyright notice.
5766 * config/sparc/sol2-gas-bi.h: Likewise.
5767 * config/sparc/sol2-gld.h: Likewise.
5768 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
5769 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
5770 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
5771 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
5772 (sparc_elf_asm_named_section): Rename into...
5773 (sparc_solaris_elf_asm_named_section): ...this. Always define.
5775 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
5777 * config/alpha/alpha.c (override_options): Fix -mtune error message.
5779 2010-03-02 Jeff Law <law@redhat.com>
5782 * reload1.c (rtx_p, substitute_stack): Declare.
5783 (substitute): Record addresses of changed rtxs.
5784 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
5785 Restore the original rtx when complete.
5786 (reload): Free subsitute_stack when complete.
5788 2010-03-02 Janis Johnson <janis187@us.ibm.com>
5790 * doc/gccint.texi (menu): Add Testsuites as a chapter.
5791 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
5793 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
5794 LTO Testing, gcov Testing, profopt Testing, compat Testing,
5795 Torture Tests): Change from subsection to section.
5797 2010-03-02 Jakub Jelinek <jakub@redhat.com>
5798 Steven Bosscher <steven@gcc.gnu.org>
5800 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
5803 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
5806 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
5807 the assignment from the new induction variable to the assignment
5808 of the value from the original loop PHI function.
5810 2010-03-01 Janis Johnson <janis187@us.ibm.com>
5811 Daniel Jacobowitz <dan@codesourcery.com>
5813 * doc/sourcebuild.texi (Test directives): Clarify options to
5816 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5818 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
5819 Disable cfi directives unless GCC and gas agree on using read-only
5820 .eh_frame sections for 64-bit.
5821 * configure: Regenerate.
5823 2010-03-01 Richard Guenther <rguenther@suse.de>
5825 PR tree-optimization/43220
5826 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
5827 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
5829 2010-03-01 Richard Guenther <rguenther@suse.de>
5830 Martin Jambor <mjambor@suse.cz>
5833 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
5834 gimplified parameters.
5836 2010-03-01 Christian Bruel <christian.bruel@st.com>
5838 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
5840 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
5842 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
5844 2010-03-01 Richard Guenther <rguenther@suse.de>
5847 * expr.c (expand_assignment): Use the alias-oracle to tell
5848 if the rhs aliases the result decl.
5850 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5853 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
5854 to sol_gt_pch_get_address.
5855 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
5856 64-bit, SPARC and x86.
5857 (sol_gt_pch_get_address): New function.
5859 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
5861 * toplev.h (inform_n, error_n): Declare.
5862 * diagnostic.c (inform_n, error_n): New function.
5864 2010-03-01 Jakub Jelinek <jakub@redhat.com>
5866 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
5867 has no rtl yet when processing local_decls, queue it and recheck
5868 if deferred stack allocation hasn't assigned it rtl.
5870 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
5872 * config/sh/sh.c (unspec_bbr_uid): New.
5873 (gen_block_redirect): Use it instead of INSN_UID.
5874 (gen_far_branch): Likewise.
5876 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
5878 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
5879 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
5881 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5883 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
5884 (Warning Options): -Wno-conversion-null is valid for
5885 Objective-C++ as well.
5886 * doc/tm.texi (Named Address Spaces): Likewise.
5887 * doc/plugins.texi (Plugins): Replace TABs with spaces.
5888 * doc/tree-ssa.texi (Tree SSA): Likewise.
5890 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5893 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
5894 by default. Don't set the default arch for
5895 i[34567]86-*-darwin*|x86_64-*-darwin*.
5897 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5900 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
5901 default. Set the default 32bit/64bit archs with $with_arch
5902 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
5904 2010-02-27 Richard Guenther <rguenther@suse.de>
5906 PR tree-optimization/43186
5907 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
5908 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
5909 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
5910 unroller iterations.
5912 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5914 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
5915 required and i[34567]86-*-* targets don't support 64bit ISA.
5917 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
5920 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5923 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5925 * config.gcc: Set the default arch at least to Prescott for
5926 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
5927 if SSE math is enabled.
5929 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5931 * diagnostic.c (diagnostic_initialize): Update.
5932 (diagnostic_report_diagnostic): Test inhibit_notes_p for
5934 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
5935 (diagnostic_inhibit_notes): New.
5936 * toplev.c (process_options): inhibit notes with -fcompare-debug.
5938 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5941 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
5942 * doc/standards.texi: Likewise.
5943 * doc/extend.texi: Likewise.
5944 * doc/trouble.texi: Likewise.
5945 * doc/cppopts.texi: Likewise.
5946 * doc/install.texi: Likewise.
5947 * c.opt (std=c90,std=gnu90): New options.
5948 * c-opts.c (c_common_handle_option): Handle them.
5950 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
5953 * c-decl.c (undeclared_variable): Use an informative note.
5955 2010-02-26 Richard Guenther <rguenther@suse.de>
5957 PR tree-optimization/43186
5958 * gimple.h (gimple_fold): Remove.
5959 * gimple.c (gimple_fold): Remove. Inline into single user ...
5960 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
5961 Try harder for conditions.
5963 2010-02-26 Jakub Jelinek <jakub@redhat.com>
5966 * function.c (used_types_insert): Don't skip through named pointer
5967 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
5968 and it is different from the main variant's type.
5970 2010-02-26 Nick Clifton <nickc@redhat.com>
5972 * config/rx/rx.md (sminsi3): Remove bogus alternative.
5974 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
5976 * config.gcc: Support --with-fpmath=sse for x86.
5978 * config/i386/ssemath.h: New.
5980 * doc/install.texi (--with-fpmath=sse): Documented.
5982 2010-02-26 Richard Guenther <rguenther@suse.de>
5984 PR tree-optimization/43188
5985 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
5986 vector types of over-aligned element type.
5988 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
5991 * config/i386/i386.c (expand_vec_perm_blend): Use correct
5992 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
5994 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
5996 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
5998 2010-02-26 Jakub Jelinek <jakub@redhat.com>
6000 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
6001 * var-tracking.c: Include diagnostic.h.
6002 (debug_dv): New function.
6003 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
6006 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
6007 (add_value_chain, add_value_chains, remove_value_chain,
6008 remove_value_chains): Handle DEBUG_EXPRs.
6009 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
6012 * regcprop.c (struct queued_debug_insn_change): New type.
6013 (struct value_data_entry): Add debug_insn_changes field.
6014 (struct value_data): Add n_debug_insn_changes field.
6015 (debug_insn_changes_pool): New variable.
6016 (free_debug_insn_changes, apply_debug_insn_changes,
6017 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
6018 (kill_value_one_regno): Call free_debug_insn_changes if needed.
6019 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
6021 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
6023 (copyprop_hardreg_forward_1): Don't call apply_change_group for
6024 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
6025 changes, call cprop_find_used_regs via note_stores.
6026 (copyprop_hardreg_forward): When copying vd from predecessor
6027 which has any queued DEBUG_INSN changes, make sure the pointers are
6028 cleared. At the end call df_analyze and then if there are any
6029 DEBUG_INSN changes queued at the end of some basic block for still
6030 live registers, apply them.
6031 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
6033 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
6035 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
6038 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
6040 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
6041 targets. Set the default with_cpu/with_arch from arch/cpu.
6042 Allow x86-64 and native for with_cpu/with_arch.
6044 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
6046 * ebitmap.c: Change calls to verify_popcount with calls to
6047 sbitmap_verify_popcount.
6048 (ebitmap_clear_bit): Fixed map->cacheindex test and
6049 map>cache update when bit clearing results in an empty
6052 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
6055 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
6056 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
6057 and support both V2DF and V2DI modes.
6058 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
6059 support both V2DF and V2DI modes.
6060 (general): Delete trailing whitespace from a few patterns.
6062 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
6063 V2DF/V2DI interleave high/low builtins.
6065 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
6068 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
6069 interleave high/low functions.
6071 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
6073 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
6074 #pragma extern_prefix.
6076 2010-02-25 Jakub Jelinek <jakub@redhat.com>
6079 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
6080 BLKmode, assert op0 is a MEM and just adjust its mode.
6083 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
6084 if bitpos isn't multiple of mode's bitsize.
6086 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
6088 * c.opt (-ftemplate-depth=): New.
6089 (-ftemplate-depth-): Deprecate.
6090 * optc-gen.awk: Handle -ftemplate-depth=.
6091 * opth-gen.awk: Likewise.
6092 * c-opts.c (c_common_handle_option): Likewise.
6093 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
6095 2010-02-24 Jason Merrill <jason@redhat.com>
6097 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
6099 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6101 * cfg.c (alloc_aux_for_block): Remove inline.
6102 (alloc_aux_for_edge): Likewise.
6104 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6106 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
6108 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6110 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
6111 * config/i386/sol2-gas.h: New file.
6112 * config.gcc (i[34567]86-*-solaris2*): Use it.
6114 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
6117 * c-typeck.c (ep_convert_and_check): New.
6118 (build_conditional_expr): Use it.
6119 (build_binary_op): Likewise.
6121 2010-02-24 Jakub Jelinek <jakub@redhat.com>
6123 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
6126 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
6127 bounds even for -O+.
6128 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
6129 expr needs to have DECL_NAME set.
6131 2010-02-24 Nick Clifton <nickc@redhat.com>
6133 * config/mep/mep.c: Include gimple.h.
6134 (mep_function_uses_sp): Delete unused function.
6135 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
6136 parameters. Use unsigned integers to count args. Return a
6137 NULL_RTX instead of an error_mark_node. Toidy up formatting.
6139 2010-02-23 Jakub Jelinek <jakub@redhat.com>
6142 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
6143 greater or equal to nelt instead of 2 * nelt.
6144 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
6147 2010-02-23 Jason Merrill <jason@redhat.com>
6150 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
6151 in cfun->local_decls even if they have register types.
6154 * stor-layout.c (place_field): Don't warn about unnecessary
6155 DECL_PACKED if the type is packed.
6157 2010-02-23 Jakub Jelinek <jakub@redhat.com>
6160 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
6161 GOTOFF relocs, even when the base reg isn't pic pointer.
6163 2010-02-23 Michael Matz <matz@suse.de>
6166 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
6167 (expand_gimple_basic_block): Generate and use debug temps if there
6168 are debug uses left after the last real use of TERed ssa names.
6169 Unlink debug immediate uses when they are expanded.
6171 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
6174 * config/i386/i386.c (override_options): Reorganise to provide
6175 better error messages.
6177 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6180 * graphite-scop-detection.c (create_single_exit_edge): Move
6181 the call to find_single_exit_edge to....
6182 (create_sese_edges): ...here. Don't handle multiple edges
6183 exiting the function.
6184 (build_graphite_scops): Don't handle multiple edges
6185 exiting the function.
6187 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6190 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
6191 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
6193 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6196 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
6198 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
6201 * c-typeck.c (convert_arguments): Print declaration location.
6202 * c-common.c (validate_nargs): Rename as
6203 builtin_function_validate_nargs.
6204 (check_builtin_function_arguments): Update.
6206 2010-02-22 Richard Guenther <rguenther@suse.de>
6209 * tree-inline.c (declare_return_variable): Use the type of
6210 the call stmt lhs if available.
6212 2010-02-22 Duncan Sands <baldrick@free.fr>
6214 * passes.c (register_pass): Always consider all pass lists when
6215 ref_pass_instance_number is zero.
6217 2010-02-22 Richard Guenther <rguenther@suse.de>
6219 PR tree-optimization/42749
6220 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
6221 parameter. Do arithmetic in the original type.
6222 (update_accumulator_with_ops): Likewise.
6223 (adjust_accumulator_values): Adjust.
6225 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6227 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
6228 (QI to BLKmode splitter): New splitter.
6230 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
6232 * config/i386/i386.c (initial_ix86_tune_features): Turn on
6233 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
6235 2010-02-22 Richard Guenther <rguenther@suse.de>
6237 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
6239 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
6241 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
6242 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
6243 ($(T)crti.o, $(T)crtn.o): Remove rules.
6245 2010-02-21 Tobias Burnus <burnus@net-b.de>
6248 * doc/invoke.texi (-fassociative-math): Document that this
6249 option is automatically enabled for Fortran.
6251 2010-02-20 David S. Miller <davem@davemloft.net>
6253 * configure.ac: Test if linker and assembler properly support
6254 GOTDATA_OP relocations.
6255 * configure: Rebuild.
6256 * config.in: Likewise.
6257 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
6258 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
6259 (movsi_high_pic): Likewise.
6260 (movdi_lo_sum_pic): Likewise.
6261 (movdi_high_pic): Likewise.
6262 (movsi_pic_gotdata_op): New pattern.
6263 (movdi_pic_gotdata_op): Likewise.
6264 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
6265 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
6267 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
6270 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
6271 attribute to ssemul.
6272 (xop_mulv2div2di3_high): Ditto.
6274 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
6277 * c.opt (Wconversion-null): New option.
6278 * doc/invoke.texi (Wconversion-null): Document.
6280 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
6282 * common.opt (Wlarger-than-): Add Undocumented.
6284 2010-02-19 Mike Stump <mikestump@comcast.net>
6286 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
6288 2010-02-19 Jason Merrill <jason@redhat.com>
6291 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
6292 * configure: Likewise.
6294 2010-02-20 Alan Modra <amodra@gmail.com>
6297 * cgraph.h (cgraph_make_decl_local): Declare.
6298 * cgraph.c (cgraph_make_decl_local): New function.
6299 (cgraph_make_node_local): Use it.
6300 * cgraphunit.c (cgraph_function_versioning): Likewise.
6301 * ipa.c (function_and_variable_visibility): Likewise.
6303 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6306 * except.c (sjlj_emit_function_enter): Don't call
6307 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
6309 * rtl.h (add_reg_br_prob_note): Remove prototype.
6311 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
6314 * c-common.c (conversion_warning): Remove widening conversions
6315 before checking the conversion of integers to reals.
6317 2010-02-19 Mike Stump <mikestump@comcast.net>
6320 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
6323 * cgraphunit.c (process_function_and_variable_attributes): Check
6324 DECL_PRESERVE_P instead of looking up attribute "used".
6325 * ipa-pure-const.c (check_decl): Likewise.
6326 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
6327 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
6328 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
6329 instead of attribute "used".
6330 * config/sol2-c.c (solaris_pragma_init): Likewise.
6331 (solaris_pragma_fini): Likewise.
6333 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6335 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
6336 Use XCNEW instead of xcalloc.
6337 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
6338 XNEW instead of xmalloc.
6339 (get_fields): Use XNEWVEC instead of xmalloc.
6342 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
6343 populate vars array.
6344 (create_new_general_access): For debug stmts just reset value.
6345 (get_stmt_accesses): For accesses within debug stmts just record them
6346 using add_access_to_acc_sites instead of preventing the peeling or
6347 counting them as accesses.
6350 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
6352 2010-02-19 Richard Guenther <rguenther@suse.de>
6354 PR tree-optimization/42916
6355 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
6358 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
6360 * configure.ac: Replace all uses of changequote in macro arguments
6361 with proper quoting.
6363 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6366 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
6368 2010-02-19 Richard Guenther <rguenther@suse.de>
6370 PR tree-optimization/42944
6371 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
6372 test for aliasing with errno.
6374 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6377 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
6378 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
6379 * dojump.c: Include output.h.
6380 (inv): New inline function.
6381 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
6382 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
6383 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
6384 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
6385 argument, pass it down to other calls.
6386 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
6387 add REG_BR_PROB note to the conditional jump.
6388 * cfgexpand.c (add_reg_br_prob_note): Removed.
6389 (expand_gimple_cond): Don't call it, add the probability
6390 as last argument to jumpif_1/jumpifnot_1.
6391 * Makefile.in (dojump.o): Depend on output.h.
6392 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
6394 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
6395 * stmt.c (do_jump_if_equal): Likewise.
6396 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
6397 * loop-unswitch.c (compare_and_jump_seq): Likewise.
6398 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
6400 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
6401 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
6402 jumpifnot_1 callers.
6403 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
6405 (store_expr): Adjust jumpifnot caller.
6406 (store_constructor): Adjust jumpif caller.
6409 * gimplify.c (gimple_boolify): For __builtin_expect call
6410 gimple_boolify also on its first argument.
6412 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
6414 * configure.ac (gnu-unique-object): Wrap regexps using [] in
6416 (__stack_chk_fail): Ditto. Remove quadrigraphs.
6417 * configure: Regenerated.
6419 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
6421 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
6422 lang_hooks.types_compatible_p instead of comptypes.
6424 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
6426 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
6427 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
6428 if __prefer_thumb__ is defined.
6430 2010-02-18 Martin Jambor <mjambor@suse.cz>
6432 PR tree-optimization/43066
6433 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
6434 array with zero-sized element type.
6436 2010-02-18 Jakub Jelinek <jakub@redhat.com>
6438 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
6439 rtx, allocate struct var_loc_node here and return it to the
6440 caller, and only if it is actually needed.
6441 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
6442 move it earlier and return immediately if it returns NULL.
6444 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
6446 * config/sparc/gas.h: New file. Restore
6447 TARGET_ASM_NAMED_SECTION to its ELF default.
6448 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
6450 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6451 Likewise. Add ATTRIBUTE_UNUSED to prototype.
6452 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
6453 after sparc/sysv4.h.
6455 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
6457 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
6459 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
6461 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
6462 patterns from predicated pattern.
6464 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
6467 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
6468 for insn mnemonic suffix.
6470 2010-02-17 Richard Guenther <rguenther@suse.de>
6472 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
6475 2010-02-17 Jakub Jelinek <jakub@redhat.com>
6478 * caller-save.c (save_call_clobbered_regs): If BB ends with
6479 a DEBUG_INSN, move any notes in between last real insn and the last
6480 DEBUG_INSN after the last DEBUG_INSN.
6482 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
6484 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
6485 Fix return type. Fix argument type. Explain meaning of return value.
6487 2010-02-16 Richard Guenther <rguenther@suse.de>
6489 PR tree-optimization/41043
6490 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
6491 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
6493 (vrp_visit_phi_node): ... but only for loop PHI nodes.
6495 2010-02-16 Ira Rosen <irar@il.ibm.com>
6497 PR tree-optimization/43074
6498 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
6499 * tree-vect-loop.c (vect_analyze_loop_operations): Add
6500 vectorizable cycles in hybrid SLP check.
6501 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
6503 2010-02-16 Richard Guenther <rguenther@suse.de>
6505 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
6506 (true_dependence): If memrefs_conflict_p computes must-alias
6507 trust it. Move TBAA check after offset-based disambiguation.
6508 (canon_true_dependence): Likewise.
6510 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
6512 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
6513 * doc/invoke.texi: Document it.
6514 * var-tracking.c: Include toplev.h and params.h.
6515 (vt_find_locations): Return bool indicating success. Compute
6516 hash sizes unconditionally. Check new parameter, report.
6517 (variable_tracking_main_1): Check vt_find_locations results and
6518 retry. Renamed from...
6519 (variable_tracking_main): ... this. New wrapper to preserve
6520 flag_var_tracking_assignments.
6521 * Makefile.in (var-tracking.o): Adjust dependencies.
6523 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
6524 Jakub Jelinek <jakub@redhat.com>
6527 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
6528 if weak_import attribute is present.
6529 * config/darwin.c (machopic_select_section): Likewise.
6531 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
6533 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
6534 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
6535 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
6536 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
6538 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
6541 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
6544 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
6545 Rewrite text to refer to the names.
6547 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
6549 * config/i386/i386-builtin-types.def
6550 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
6551 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
6552 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
6553 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
6554 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
6555 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
6556 IX86_BUILTIN_VPERMIL2PS256.
6557 (MULTI_ARG_4_DF2_DI_I): Defined.
6558 (MULTI_ARG_4_DF2_DI_I1): Defined.
6559 (MULTI_ARG_4_SF2_SI_I): Defined.
6560 (MULTI_ARG_4_SF2_SI_I1): Defined.
6561 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
6562 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
6563 __builtin_ia32_vpermil2ps256.
6564 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6565 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6566 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
6567 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6568 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6569 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
6570 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
6571 CODE_FOR_xop_vpermil2v8sf3.
6572 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
6573 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
6574 * config/i386/xopintrin.h (_mm_permute2_pd): New.
6575 (_mm256_permute2_pd): New.
6576 (_mm_permute2_ps): New.
6577 (_mm256_permute2_ps): New.
6579 2010-02-15 Nick Clifton <nickc@redhat.com>
6581 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
6582 boolean parameters. Use emit_jump_insn when emitting a pop
6583 instruction containing a return insn.
6584 (push): Use 'true' rather than '1' as second parameter to F.
6585 (h8300_expand_prologue): Likewise.
6586 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
6587 (h8300_expand_epilogue): Likewise.
6589 2010-02-15 Richard Guenther <rguenther@suse.de>
6592 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
6595 2010-02-15 Nick Clifton <nickc@redhat.com>
6597 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
6600 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
6602 * intl.c (fake_ngettext): New function.
6603 * intl.h (fake_ngettext): Declare.
6604 (ngettext): Define macro.
6605 * collect2.c (notice_translated): New function.
6606 (main): Use notice_translated and ngettext.
6607 * collect2.h (notice_translated): Declare.
6609 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
6611 * reorg.c (delete_computation): Comment fixes.
6612 * caller-save.c (setup_save_areas): Idem.
6613 * sel-sched-dump.c (dump_lv_set): Idem.
6616 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6618 * config/s390/s390.c (s390_sched_init): New function.
6619 (TARGET_SCHED_INIT): Target hook defined.
6621 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
6622 Jack Howarth <howarth@bromo.med.uc.edu>
6623 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
6626 Partial revert of unintended change in fix for PR41605.
6627 * config/darwin.h: Fix typo.
6628 * config/darwin9.h: Same.
6630 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6632 * c-pch.c (pch_init): Clear v.
6634 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6637 * graphite-scop-detection.c (graphite_can_represent_scev): Call
6638 graphite_can_represent_init for MULT_EXPR.
6640 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6644 * graphite-sese-to-poly.c (remove_phi): New.
6645 (translate_scalar_reduction_to_array): Call remove_phi.
6647 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6650 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
6651 * graphite-clast-to-gimple.h (gloog): Update declaration.
6652 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
6653 * graphite-poly.h (struct poly_bb): Add missing comments.
6654 (struct scop): Add poly_scop_p field.
6656 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
6657 * graphite.c (graphite_transform_loops): Build the polyhedral
6658 representation for each scop before code generation.
6659 * sese.c (rename_variables_in_operand): Removed.
6660 (rename_variables_in_expr): Return the renamed expression.
6661 (rename_sese_parameters): New.
6662 * sese.h (rename_sese_parameters): Declared.
6664 2010-02-11 Richard Guenther <rguenther@suse.de>
6666 PR tree-optimization/42998
6667 * tree-ssa-pre.c (create_expression_by_pieces): Treat
6668 POINTER_PLUS_EXPR properly.
6670 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6671 Changpeng Fang <changpeng.fang@amd.com>
6674 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
6675 the cost of an IV candidate when the IV is used in a test against zero.
6677 * gcc.dg/tree-ssa/ivopts-3.c: New.
6679 2010-02-11 Richard Guenther <rguenther@suse.de>
6682 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
6683 pointer-vs-decl case by swapping refs. Handle some cases
6684 of pointer-vs-decl disambiguations more conservatively.
6685 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
6686 to false after expanding.
6688 2010-02-11 Richard Guenther <rguenther@suse.de>
6691 * gcc.c (process_command): Handle LTO file@offset case more
6694 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6696 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
6697 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
6699 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
6701 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
6702 if MEM's mode size isn't DWARF2_ADDR_SIZE.
6703 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
6704 Optimize eq/ne comparisons when both arguments are known to be
6706 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
6707 Don't mask operands unnecessarily if they are known to be already
6710 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
6712 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
6715 2010-02-10 Richard Guenther <rguenther@suse.de>
6717 PR tree-optimization/43017
6718 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
6719 for wrapping signed arithmetic.
6721 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6724 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
6725 if no debug info should be emitted for it.
6727 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
6729 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
6730 note when flag_exceptions is set.
6732 2010-02-10 Duncan Sands <baldrick@free.fr>
6734 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
6736 2010-02-10 Richard Guenther <rguenther@suse.de>
6739 * tree.c (get_unwidened): Handle constants.
6740 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
6742 2010-02-10 Martin Jambor <mjambor@suse.cz>
6745 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
6746 check for variable argument counts independently.
6748 2010-02-10 Christian Bruel <christian.bruel@st.com>
6751 * config/sh/sh.c (find_barrier): Increase length for non delayed
6752 conditional branches.
6754 2010-02-10 Christian Bruel <christian.bruel@st.com>
6756 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
6758 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6760 * builtins.c (set_builtin_user_assembler_name): Also handle
6761 ffs if int is smaller than word.
6763 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
6766 * ira-conflicts.c (get_dup): Remove.
6767 (process_reg_shuffles): Add new parameter. Use it as an
6768 additional guard for copy generation.
6769 (add_insn_allocno_copies): Rewrite.
6771 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
6773 * common.opt (fsched2-use-traces): Preserved for backward
6775 * doc/invoke.texi: Remove the documentation about option
6776 -fsched2-use-traces.
6777 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
6778 flag_sched2_use_traces.
6779 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
6780 the backward compatibility flag section.
6782 2010-02-09 Richard Guenther <rguenther@suse.de>
6784 PR tree-optimization/43008
6785 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
6786 make HEAP variables initialized from global memory if they
6787 are not known builtin functions.
6788 (find_func_aliases): Adjust.
6790 2010-02-09 Richard Guenther <rguenther@suse.de>
6792 PR tree-optimization/43000
6793 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
6794 arithmetic manually.
6796 2010-02-08 Jakub Jelinek <jakub@redhat.com>
6798 PR tree-optimization/42931
6799 * tree-loop-linear.c (try_interchange_loops): Don't call
6800 double_int_mul if estimated_loop_iterations failed.
6802 2010-02-08 Martin Jambor <mjambor@suse.cz>
6805 * tree-sra.c (build_accesses_from_assign): Do not mark in
6806 should_scalarize_away_bitmap if stmt has volatile ops.
6807 (sra_modify_assign): Do not process assigns piecemeal if if stmt
6810 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
6812 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
6814 2010-02-07 Adam Nemet <adambnmet@gmail.com>
6816 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
6819 2010-02-07 Andrew Pinski <pinskia@gmail.com>
6822 * df-core.c (df_finish_pass): Change type of saved_flags to int.
6824 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6827 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
6828 to unknown_dependence.
6829 (graphite_legal_transform_dr): Handle the unknown_dependence.
6830 (graphite_carried_dependence_level_k): Same.
6832 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6834 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
6836 2010-02-07 Richard Guenther <rguenther@suse.de>
6839 * expr.c (get_inner_reference): Always initialize *pbitsize.
6841 2010-02-07 Richard Guenther <rguenther@suse.de>
6844 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
6845 new ARRAY_REFs on variable size element or minimal index arrays.
6847 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
6848 gimple_fold_indirect_ref.
6850 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
6853 * arm.c (arm_override_options): Just return if the user has specified
6854 an invalid fpu name.
6856 2010-02-03 Jason Merrill <jason@redhat.com>
6859 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
6860 i386_pe_maybe_record_exported_symbol.
6862 2010-02-05 Steve Ellcey <sje@cup.hp.com>
6865 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6866 (pa_delegitimize_address): New function.
6868 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
6870 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
6871 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
6873 2010-02-05 Richard Guenther <rguenther@suse.de>
6876 * lto-streamer-in.c (get_resolution): Deal with references
6877 to undefined functions.
6879 2010-02-05 Richard Guenther <rguenther@suse.de>
6881 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
6882 (fold_const_aggregate_ref): Likewise.
6883 (ccp_fold_stmt): Substitute loads.
6884 (maybe_fold_reference): Verify types before substituting.
6886 (fold_gimple_assign): Unshare properly.
6887 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
6889 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
6891 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
6892 for rs6000_gen_cell_microcode.
6894 2010-02-04 Richard Guenther <rguenther@suse.de>
6896 PR rtl-optimization/42952
6897 * dse.c (const_or_frame_p): Remove MEM handling.
6899 2010-02-04 Nick Clifton <nickc@redhat.com>
6901 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
6902 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
6903 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
6904 (mn10300_asm_output_mi_thunk): New function.
6905 (mn10300_can_output_mu_thunk): New function.
6906 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
6907 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
6908 (FUNCTION_ARG): Delete incorrect comment.
6910 2010-02-03 Jason Merrill <jason@redhat.com>
6913 * fold-const.c (operand_equal_p): Handle erroneous types.
6915 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
6917 * config/h8300/h8300.md (can_delay): Fix attibute condition.
6919 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
6921 PR rtl-optimization/42941
6922 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
6925 2010-02-03 Jason Merrill <jason@redhat.com>
6928 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
6930 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
6933 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
6934 (cselib_reset_table): Renamed from...
6935 (cselib_reset_table_with_next_value): ... this.
6936 (cselib_get_next_uid): Renamed from...
6937 (cselib_get_next_unknown_value): ... this.
6938 * cselib.c (next_uid): Renamed from...
6939 (next_unknown_value): ... this.
6940 (cselib_clear_table): Adjust.
6941 (cselib_reset_table): Adjust. Renamed from...
6942 (cselib_reset_table_with_next_value): ... this.
6943 (cselib_get_next_uid): Adjust. Renamed from...
6944 (cselib_get_next_unknown_value): ... this.
6945 (get_value_hash): Use hash.
6946 (cselib_hash_rtx): Likewise.
6947 (new_cselib_val): Adjust. Set and dump uid.
6948 (cselib_lookup_mem): Pass next_uid as hash.
6949 (cselib_subst_to_values): Likewise.
6950 (cselib_log_lookup): Dump uid.
6951 (cselib_lookup): Pass next_uid as hash. Adjust.
6952 (cselib_process_insn): Adjust.
6953 (cselib_init): Initialize next_uid.
6954 (cselib_finish): Adjust.
6955 (dump_cselib_table): Likewise.
6956 * dse.c (canon_address): Dump value uid.
6957 * print-rtl.c (print_rtx): Print value uid.
6958 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
6960 (dv_uid): New function, sort of renamed from...
6961 (dv_htab_hash): ... this, reimplemented in terms of it and...
6962 (dv_uid2hash): ... this. New.
6963 (variable_htab_eq): Drop excess assertions.
6964 (tie_break_pointers): Removed.
6965 (canon_value_cmp): Compare uids.
6966 (variable_post_merge_New_vals): Print uids.
6967 (vt_add_function_parameters): Adjust.
6968 (vt_initialize): Reset table. Adjust.
6970 2010-02-03 Richard Guenther <rguenther@suse.de>
6972 PR tree-optimization/42944
6973 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
6974 (call_may_clobber_ref_p_1): Likewise. Properly handle
6975 malloc and calloc clobbering errno.
6977 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
6979 * doc/invoke.texi: Fix name of sched1 dump.
6981 * opts.c (decode_options): Set flag_tree_switch_conversion
6982 only conditionally on optimize >= 2.
6984 * gcse.c: Assorted comment fixes in pass description.
6986 2010-02-03 Anthony Green <green@moxielogic.com>
6988 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
6989 nop padding in order to maintain alignment of storage location of
6990 target function address.
6991 (moxie_trampoline_init): Store target function address at newly
6993 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
6995 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
6997 2010-02-03 Richard Guenther <rguenther@suse.de>
7000 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
7002 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7004 * config.gcc: Reenable check for obsolete targets.
7005 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
7006 mips-sgi-irix6.[0-4]*.
7008 2010-02-02 Nick Clifton <nickc@redhat.com>
7010 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
7011 constant size of 4 as being the same as 0.
7012 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
7013 can take values in the range 0..4.
7015 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
7018 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
7019 as _darwin10_Unwind_FindEnclosingFunction().
7020 * libgcc-libsystem.ver: New.
7022 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
7025 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
7026 implicitly set registers.
7028 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
7030 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
7031 (arm_override_options): Allow automatic selection of the thread
7032 pointer register if thumb2.
7033 (legitimize_pic_address): Improve code sequences for Thumb2.
7034 (arm_call_tls_get_addr): Likewise.
7035 (legitimize_tls_address): Likewise.
7036 * arm.md (pic_load_addr_arm): Delete. Replace with ...
7037 (pic_load_addr_32bit): ... this. New named pattern.
7038 * thumb2.md (pic_load_addr_thumb2): Delete.
7039 (pic_load_dot_plus_four): Delete.
7040 (tls_load_dot_plus_four): New named pattern.
7042 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7045 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
7046 Document fix for TLS bug.
7048 2010-01-31 Richard Guenther <rguenther@suse.de>
7050 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
7051 conservatively correct.
7053 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7057 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7059 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7061 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7063 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
7065 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
7067 * config.gcc: Adjust order of makefile fragments for mingw targets.
7069 2010-01-31 Richard Guenther <rguenther@suse.de>
7072 * gimplify.c (gimplify_init_constructor): For volatile LHS
7073 initialize a temporary.
7075 2010-01-31 Matthias Klose <doko@ubuntu.com>
7077 * configure.ac: Fix __stack_chk_fail check for cross builds configured
7079 * configure: Regenerate.
7081 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
7083 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
7084 the same alias set and their sizes different constantness.
7085 (aliasing_component_refs_p): Revert 2009-10-24 change.
7087 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7089 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
7092 2010-01-29 Richard Guenther <rguenther@suse.de>
7094 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
7095 Assert we successfully updated the call.
7097 2010-01-29 Jakub Jelinek <jakub@redhat.com>
7099 PR rtl-optimization/42889
7100 * df.h (df_set_bb_dirty_nonlr): New prototype.
7101 * df-core.c (df_set_bb_dirty_nonlr): New function.
7102 * df-scan.c (df_insn_rescan): Call it instead of
7103 df_set_bb_dirty for DEBUG_INSNs.
7105 2010-01-29 Richard Guenther <rguenther@suse.de>
7108 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
7109 quadratic behavior in most cases.
7111 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
7114 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
7115 in the call to gen_x86_movsicc_0_m1.
7117 2010-01-28 Richard Guenther <rguenther@suse.de>
7119 PR tree-optimization/42871
7120 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
7122 2010-01-28 Richard Guenther <rguenther@suse.de>
7124 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
7125 into call arguments.
7127 2010-01-28 Richard Guenther <rguenther@suse.de>
7130 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
7131 the forwarder if the destination is an EH landing pad.
7133 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
7135 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
7136 block list passed to gimple_duplicate_sese_tail.
7137 (parallelize_loops): Avoid parallelization when the function
7139 Avoid parallelization when the preheader is IRREDUCIBLE.
7140 Try to optimize when estimated_loop_iterations_int is unresolved.
7141 Add the loop's location to the dump file.
7142 * tree-cfg.c (add_phi_args_after_redirect): Remove.
7143 (gimple_duplicate_sese_tail): Remove the check for the latch.
7144 Redirect nexits to the exit block.
7145 Remove handling of the incoming edges to the latch.
7146 Redirect the backedge from the copied latch to the exit bb.
7148 2010-01-28 Michael Matz <matz@suse.de>
7151 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
7152 Wrap force_reg into a sequence, emit it before user.
7154 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
7156 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
7158 (arm_legacy_rev): Likewise.
7159 (thumb_legacy_rev): Likewise.
7161 2010-01-27 Jakub Jelinek <jakub@redhat.com>
7163 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
7164 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
7165 on MEM's address failed, try avoid_constant_pool_reference and
7166 recurse if it returned something different.
7167 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
7168 address, try avoid_constant_pool_reference and recurse if it
7169 returned something different.
7170 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
7171 address and avoid_constant_pool_reference returned something
7172 different, don't set have_address.
7174 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
7177 * var-tracking.c (val_store): Add modified argument, obey it.
7179 (count_uses): Move down logging of main.
7180 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
7181 don't need resolution.
7182 (emit_notes_in_bb): Likewise.
7184 2010-01-27 Richard Guenther <rguenther@suse.de>
7187 * tree-inline.c (remap_decl): Delay remapping of SSA name
7188 default definitions until we need them.
7190 2010-01-27 Jakub Jelinek <jakub@redhat.com>
7192 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
7193 (rs6000_delegitimize_address): New function.
7195 * config/s390/s390.c (s390_delegitimize_address): Call
7196 delegitimize_mem_from_attrs.
7199 * tree-inline.c (cannot_copy_type_1): Removed.
7200 (copy_forbidden): Don't forbid copying of functions containing
7201 records/unions with variable length fields.
7203 2010-01-27 Christian Bruel <christian.bruel@st.com>
7207 * config/sh/sh.c (find_barrier): Increase length for non delayed
7208 conditional branches.
7210 2010-01-27 Matthias Klose <doko@ubuntu.com>
7212 * configure.ac (gnu-unique-object): Fix ldd version check.
7213 * configure: Regenerate.
7215 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7217 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
7219 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
7220 Test for HAVE_GNU_AS value.
7222 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7224 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
7225 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
7226 INT64_TYPE): Define.
7227 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
7228 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7229 INT_LEAST64_TYPE): Define.
7230 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
7231 UINT_LEAST64_TYPE): Define.
7232 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
7233 INT_FAST64_TYPE): Define.
7234 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7235 UINT_FAST64_TYPE): Define.
7236 (INTMAX_TYPE, UINTMAX_TYPE): Define.
7237 (INTPTR_TYPE, UINTPTR_TYPE): Define.
7238 (SIG_ATOMIC_TYPE): Define.
7240 2010-01-26 Richard Guenther <rguenther@suse.de>
7242 * df-scan.c (df_scan_set_bb_info): Remove assert.
7243 (df_insn_rescan_debug_internal): Merge asserts.
7244 (df_install_ref): Likewise.
7245 (df_mark_reg): Use bitmap_set_range.
7246 (df_hard_reg_used_p): Remove assert.
7247 (df_hard_reg_used_count): Likewise.
7249 2010-01-26 Richard Guenther <rguenther@suse.de>
7251 PR rtl-optimization/42685
7252 * web.c (web_main): Ignore DEBUG_INSNs.
7254 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
7256 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
7258 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
7259 Fix types of fndecl and arglist parameters.
7261 2010-01-26 Richard Guenther <rguenther@suse.de>
7264 * tree-eh.c (unsplit_eh): Skip debug insns.
7266 2010-01-26 Richard Guenther <rguenther@suse.de>
7268 PR tree-optimization/42250
7269 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
7271 2010-01-26 Jakub Jelinek <jakub@redhat.com>
7274 * omp-low.c (expand_omp_sections): Only use single_pred if
7275 l2_bb is single_pred_p.
7277 2010-01-25 Christian Bruel <christian.bruel@st.com>
7280 * config/sh/sh.c (find_barrier): Increase length for non delayed
7281 conditional branches.
7282 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
7284 2010-01-24 David S. Miller <davem@davemloft.net>
7286 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
7287 define if not using GAS.
7288 * config/sparc/sparc.c (sparc_elf_asm_named_section):
7289 Likewise. Delete SECTION_MERGE code, which is only applicable
7292 2010-01-24 Mark Mitchell <mark@codesourcery.com>
7295 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
7296 mangling of va_list in system headers.
7298 2010-01-23 Toon Moene <toon@moene.org>
7300 * tree-predcom.c (combine_chains): Return NULL, not false.
7302 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
7304 * tree-loop-distribution.c (distribute_loop): Fix declaration and
7305 initialization of variable res to agree with return type.
7307 2010-01-22 Steve Ellcey <sje@cup.hp.com>
7309 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
7310 * tree-sra.c: Add include of expr.h.
7312 2010-01-22 Jakub Jelinek <jakub@redhat.com>
7314 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
7315 insert the debug stmt on the single non-EH edge from the stmt.
7317 2010-01-22 Richard Henderson <rth@redhat.com>
7320 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
7321 the RHS until after generate_subtree_copies has insertted its
7322 code before the current statement.
7324 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
7326 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
7328 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
7330 2010-01-21 Martin Jambor <mjambor@suse.cz>
7332 PR tree-optimization/42585
7333 * tree-sra.c (struct access): New field grp_total_scalarization.
7334 (dump_access): Dump the new field.
7335 (should_scalarize_away_bitmap): New variable.
7336 (cannot_scalarize_away_bitmap): Likewise.
7337 (sra_initialize): Allocate new bitmaps.
7338 (sra_deinitialize): Free new bitmaps.
7339 (create_access_1): New function.
7340 (create_access): Parts moved to create_access_1.
7341 (type_consists_of_records_p): New function.
7342 (completely_scalarize_record): Likewise.
7343 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
7344 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
7345 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
7347 (analyze_all_variable_accesses): Completely scalarize small eligible
7350 2010-01-21 Martin Jambor <mjambor@suse.cz>
7352 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
7354 2010-01-21 Andrew Haley <aph@redhat.com>
7356 * gcc.c (process_command): Move lang_specific_driver before
7357 setting cc_libexec_prefix.
7359 2010-01-21 Richard Guenther <rguenther@suse.de>
7362 * fold-const.c (negate_expr_p): Pretend only negative
7363 real constants are easily negatable.
7365 2010-01-20 Janis Johnson <janis187@us.ibm.com>
7366 Jason Merrill <jason@redhat.com>
7368 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
7369 (TYPE_TRANSPARENT_AGGR): this, for union and record.
7370 * calls.c (initialize argument_information): Handle it.
7371 * c-common.c (handle_transparent_union_attribute): Use new name.
7372 * c-decl.c (finish_struct): Ditto.
7373 * c-typeck.c (type_lists_compatible_p): Ditto.
7374 (convert_for_assignment): Use new name and also handle record.
7375 * function.c (aggregate_value_p): Handle it.
7376 (pass_by_reference): Ditto.
7377 (assign_parm_data_types): Ditto.
7378 * print-tree.c (print_node): Ditto.
7379 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
7380 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
7381 * tree.c (first_field): New fn.
7383 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
7386 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
7387 even when linking statically, for now.
7389 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7392 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
7393 without a cselib val.
7394 (count_uses): Accept MO_VAL_SET with no val on stores.
7395 (add_stores): Likewise.
7397 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7399 * var-tracking.c (check_value_val): Add a compile time assertion.
7400 (dv_is_decl_p): Simplify.
7401 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
7402 gcc_assert if ENABLE_CHECKING.
7404 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7407 * var-tracking.c: Include tree-flow.h.
7408 (mem_dies_at_call): New.
7409 (dataflow_set_preserve_mem_locs): Use it.
7410 (dataflow_set_remove_mem_locs): Likewise.
7411 (dump_var): Renamed from dump_variable. Adjust all callers.
7412 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
7413 * Makefile.in (var-tracking.o): Adjust deps.
7415 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
7417 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
7419 2010-01-20 Richard Guenther <rguenther@suse.de>
7421 PR tree-optimization/42717
7422 * tree-ssa-dce.c (get_live_post_dom): Remove.
7423 (forward_edge_to_pdom): Take an arbitrary edge to copy
7424 degenerate PHI args from.
7425 (remove_dead_stmt): Use the first post-dominator even if it
7426 does not contain live statements as redirection destination.
7428 2010-01-20 Richard Guenther <rguenther@suse.de>
7430 * tree-inline.c (estimate_num_insns): Handle EH builtins.
7432 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7434 * sel-sched.c (create_speculation_check): Remove set but not used
7436 (try_transformation_cache): Remove set but not used variable ds.
7437 (calculate_privileged_insns): Remove set but not used variables
7438 cur_insn and min_spec_insn.
7439 (find_best_expr): Remove set but not used variable avail_n.
7440 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
7442 * cgraphunit.c (assemble_thunk): Remove set but not used variable
7444 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
7445 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
7448 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
7451 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
7452 cpu types. Add support for *-sse3 cpu types.
7453 (x86_64-*-*): Ditto.
7455 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7458 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
7459 argument, call initializer_constant_valid_p_1 instead of
7460 initializer_constant_valid_p, pass CACHE to it, return NULL
7461 immediately if first call returns NULL.
7462 (initializer_constant_valid_p_1): New function.
7463 (initializer_constant_valid_p): Use it.
7465 2010-01-20 Thomas Quinot <quinot@adacore.com>
7467 * tree.def (PLACEHOLDER_EXPR): Fix comment.
7469 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7471 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
7472 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
7473 (loc_list_from_tree): Don't handle unsigned division. Handle
7474 signed modulo using DW_OP_{over,over,div,mul,minus}.
7475 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
7476 modulo instead of signed.
7478 2010-01-20 DJ Delorie <dj@redhat.com>
7480 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
7482 (h8300_emit_stack_adjustment): Propogate it.
7484 (h8300_expand_prologue): Likewise.
7485 (h8300_expand_epilogue): Likewise.
7487 2010-01-19 Michael Matz <matz@suse.de>
7489 PR tree-optimization/41783
7490 * tree-data-ref.c (toplevel): Include flags.h.
7491 (dump_data_dependence_relation): Also dump the inputs if the
7492 result will be unknown.
7493 (split_constant_offset_1): Look through some conversions.
7494 * tree-predcom.c (determine_roots_comp): Restart a new chain if
7495 the offset from last element is too large.
7496 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
7497 (reassociate_to_the_same_stmt): Handle vector registers.
7498 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
7500 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
7501 wide_prolog_niters argument, emit widening instructions.
7502 (vect_do_peeling_for_alignment): Adjust caller, use widened
7503 variant of the iteration cound.
7504 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
7506 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
7509 * config/arm/neon-testgen.m (emit_automatics): New parameter
7510 features. Adjust for Fixed_return_reg feature.
7511 (test_intrinsic): Call emit_automatics with new feature.
7512 * config/arm/neon.ml: Update copyright years.
7513 (features): New Fixed_return_reg feature.
7514 (ops): Update feature for Vget_low.
7516 2010-01-19 Jakub Jelinek <jakub@redhat.com>
7518 PR tree-optimization/42719
7519 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
7523 * fwprop.c (all_uses_available_at): Return false if def_set dest
7524 is a REG that is used in def_insn.
7526 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
7528 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
7530 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
7533 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
7535 * target.h (struct gcc_target) <secondary_reload>: Change type
7536 of last argument to secondary_reload_info *.
7538 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
7541 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
7542 memory references with unaligned offsets. Remove CQImode handling.
7543 (unaligned_memory_operand): Return 1 for memory references with
7544 unaligned offsets. Remove CQImode handling.
7546 2010-01-18 Richard Guenther <rguenther@suse.de>
7549 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
7552 2010-01-18 Richard Guenther <rguenther@suse.de>
7554 PR tree-optimization/42781
7555 * tree-ssa-structalias.c (find_what_var_points_to): Skip
7556 restrict processing only if the original variable was artificial.
7558 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
7560 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
7561 find number of popped argument bytes.
7563 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
7564 Fix the text that describes the return value for invalid insns.
7566 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
7568 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
7569 Clarify what 'cost of the -dependence' is. Fix quoting.
7571 * toplev.c (default_get_pch_validity): Rename argument to "sz".
7572 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
7574 2010-01-17 Jakub Jelinek <jakub@redhat.com>
7576 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
7577 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
7579 2010-01-17 Richard Guenther <rguenther@suse.de>
7582 * function.c (split_complex_args): Take a VEC to modify.
7583 (assign_parms_augmented_arg_list): Build a VEC instead of
7584 a chain of PARM_DECLs.
7585 (assign_parms_unsplit_complex): Take a VEC of arguments.
7586 Do not fixup unmodified parms.
7587 (assign_parms): Deal with the VEC.
7588 (gimplify_parameters): Likewise.
7590 2010-01-17 Richard Guenther <rguenther@suse.de>
7592 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
7593 node existence check.
7594 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
7595 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
7596 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
7597 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
7598 (gimple_execute_on_growing_pred): Likewise.
7600 2010-01-17 Richard Guenther <rguenther@suse.de>
7602 PR tree-optimization/42773
7603 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
7604 (compute_antic_aux): Likewise.
7605 (compute_partial_antic_aux): Likewise.
7607 2010-01-17 Jie Zhang <jie.zhang@analog.com>
7610 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
7613 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
7615 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
7618 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
7619 Fix markup for strict argument.
7621 (TARGET_SCHED_REORDER2): Fix argument types.
7623 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
7624 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
7626 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
7627 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
7629 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
7632 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
7633 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
7634 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
7635 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
7636 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
7638 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
7640 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
7642 (TARGET_ASM_RELOC_RW_MASK): Add return type.
7643 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
7645 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
7647 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
7650 (TARGET_ASM_NAMED_SECTION): Fix argument list.
7652 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
7653 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
7655 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
7657 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
7659 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
7660 referring to it. Fix language.
7662 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
7664 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
7666 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
7668 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
7670 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
7671 '@var{stream}. Remove stray 'and'.
7673 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
7675 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
7677 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
7679 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
7680 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
7682 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
7683 Fix description of return value.
7684 Rename argument "sz" to "len."
7686 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
7687 Clarify meaning of 'true' return value.
7689 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
7691 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
7692 rep_mode versus mode_rep.
7694 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
7696 (TARGET_BUILTIN_DECL): Fix name.
7698 (TARGET_COMMUTATIVE_P): Fix type of first argument.
7700 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
7702 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
7704 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
7706 (TARGET_RELAXED_ORDERING): Use @deftypevr.
7708 (TARGET_GET_DRAP_RTX): Note that this is a hook.
7711 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
7712 Rename argument tm_fn to md_fn.
7714 (TARGET_OPTION_PRINT): Fix argument list.
7716 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
7719 * config/i386/i386.c (ix86_fixup_binary_operands):
7720 Revert FMA4 fixup of operands.
7722 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7725 * Makefile.in (write_entries_to_file, install-plugin):
7726 Use \012 instead of \n with tr.
7728 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
7730 * configure.ac (HAVE_AS_REF): New C macro.
7731 * configure: Regenerate.
7732 * config.in: Likewise.
7733 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
7735 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
7738 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
7740 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
7742 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
7744 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
7746 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
7748 (TARGET_IN_SMALL_DATA_P): Fix argument type.
7750 (TARGET_BINDS_LOCAL_P): Fix argument type.
7752 (TARGET_ASM_FILE_END): Use prototype.
7754 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
7756 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
7758 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
7760 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
7762 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
7763 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
7765 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
7766 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
7768 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
7769 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
7770 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
7771 (TARGET_ADDR_SPACE_CONVERT): Likewise.
7773 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
7775 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
7777 (TARGET_INIT_BUILTINS): Use prototype.
7779 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
7780 Put 'const char *' in braces. Fix parameter types.
7781 (TARGET_INVALID_CONVERSION): Fix parameter types.
7782 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
7783 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
7785 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
7788 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
7790 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
7792 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
7794 * doc/tm.texi (TARGET_HELP): Fix return type.
7796 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
7797 in braces. Fix argument types.
7799 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
7801 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
7803 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
7805 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
7806 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
7808 (TARGET_MANGLE_TYPE): Fix argument types.
7810 (TARGET_IRA_COVER_CLASSES): Use prototype.
7812 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
7814 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
7816 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
7818 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
7820 (TARGET_CALLEE_COPIES): Fix argument types.
7822 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
7824 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
7826 (TARGET_FUNCTION_VALUE): Fix argument types.
7828 (TARGET_RETURN_IN_MSB): Fix argument type.
7830 (TARGET_RETURN_IN_MEMORY): Fix argument types.
7832 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
7834 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
7836 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
7837 agree with return type.
7839 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
7841 2010-01-15 Jing Yu <jingyu@google.com>
7843 PR rtl-optimization/42691
7844 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
7845 a pseudo to a constant and are merged, and adjust comments.
7847 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
7849 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
7851 2010-01-15 Richard Guenther <rguenther@suse.de>
7854 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
7855 labels of computed or non-local gotos to the destination.
7856 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
7857 landing pad label is the first label.
7859 2010-01-15 Richard Guenther <rguenther@suse.de>
7861 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
7863 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
7866 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
7867 to allow generation of the xssqrtdp instruction on power7.
7868 (sqrtdf2_fpr): Ditto.
7870 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7873 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
7874 functions with noreturn attribute.
7877 * varasm.c (declare_weak): Add weak attribute to decl if it
7878 doesn't have one already.
7879 (assemble_external): Only add decls to weak_decls if they also
7880 have weak attribute.
7882 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
7884 * var-tracking.c (var_reg_delete): Don't delete the association
7885 between REGs and values or one-part variables if the register
7888 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7891 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
7892 because its first operand is a non-localized variable.
7894 2010-01-14 Martin Jambor <mjambor@suse.cz>
7896 PR tree-optimization/42706
7897 * tree-sra.c (encountered_recursive_call): New variable.
7898 (encountered_unchangable_recursive_call): Likewise.
7899 (sra_initialize): Initialize both new variables.
7900 (callsite_has_enough_arguments_p): New function.
7901 (scan_function): Call decl and flags check only for IPA-SRA, check
7902 whether there is a recursive call and whether it has enough arguments.
7903 (all_callers_have_enough_arguments_p): New function.
7904 (convert_callers): Look for recursive calls only when
7905 encountered_recursive_call is set.
7906 (ipa_early_sra): Bail out either if
7907 !all_callers_have_enough_arguments_p or
7908 encountered_unchangable_recursive_call.
7910 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7912 * sel-sched.c: Add 2010 to copyright years.
7913 * sel-sched-ir.c: Likewise.
7914 * sel-sched-ir.h: Likewise.
7916 2010-01-14 Martin Jambor <mjambor@suse.cz>
7918 PR tree-optimization/42714
7919 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
7920 constructors specially.
7922 2010-01-14 Andi Kleen <ak@linux.intel.com>
7924 * config/i386/drivers-i386.c (detect_caches_intel):
7925 Add l2sizekb parameter and fill in.
7926 (host_detect_local_cpu): Add l2sizekb, fill in.
7927 Add Atom small cache heuristic.
7929 2010-01-14 Andi Kleen <ak@linux.intel.com>
7931 * config/i386/drivers-i386.c (detect_caches_cpuid4):
7932 Add level3 parameter and fill in.
7933 (detect_caches_intel): Handle level3 cache.
7935 2010-01-14 Andi Kleen <ak@linux.intel.com>
7937 * config/i386/drivers-i386.c (host_detect_local_cpu):
7938 Fix core duo detection.
7940 2010-01-14 Andi Kleen <ak@linux.intel.com>
7942 * config/i386/drivers-i386.c (host_detect_local_cpu):
7945 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7947 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
7948 (rs6000_variable_issue_1): this. Use...
7949 (rs6000_variable_issue): here. Reimplement. Print debug info.
7951 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7953 * sel-sched-ir.c (sel_restore_other_notes): Rename to
7954 sel_restore_notes. Update all callers. Call reemit_notes
7957 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7959 PR rtl-optimization/42246
7960 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
7963 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7965 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
7966 all successors is the same as number of successors in current region.
7968 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7970 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
7971 to rename is not separable. Otherwise check that its LHS is not NULL.
7973 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7975 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
7977 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7979 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
7980 available registers when failed to discover LHS register class.
7981 Fix indentation. Update comment.
7983 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
7984 Alexander Monakov <amonakov@ispras.ru>
7986 PR rtl-optimization/42389
7987 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
7989 (advance_state_on_fence): Likewise.
7990 (sel_target_adjust_priority): Print debug output only when
7991 sched_verbose >= 4, not 2.
7992 (get_expr_cost): Do not issue all unique insns on the next cycle.
7993 (fill_insns): Initialize can_issue_more from the value saved
7995 * sel-sched-ir.c (flist_add): New parameter issue_more.
7996 Init FENCE_ISSUE_MORE with it.
7997 (merge_fences): Likewise.
7998 (init_fences): Update call to flist_add.
7999 (add_to_fences, add_clean_fence_to_fences)
8000 (add_dirty_fence_to_fences): Likewise.
8001 (move_fence_to_fences): Update call to merge_fences.
8002 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
8004 * sel-sched-ir.h (struct _fence): New field issue_more.
8005 (FENCE_ISSUE_MORE): New accessor macro.
8007 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8009 PR rtl-optimization/42388
8010 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
8011 that have no predecessors nor successors. Do not call move_bb_info
8012 for empty blocks outside of current region.
8014 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8016 PR rtl-optimization/42294
8017 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
8018 * sel-sched.c (move_exprs_to_boundary): Transitively add all
8019 originators' originators.
8021 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8023 PR rtl-optimization/39453
8024 PR rtl-optimization/42246
8025 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
8027 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
8029 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8030 Alexander Monakov <amonakov@ispras.ru>
8033 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
8034 (maybe_tidy_empty_bb): ... here. Make static. Add new
8035 argument. Update all callers.
8036 (tidy_control_flow): ... and here. Recompute topological order
8037 of basic blocks in region if necessary.
8038 (sel_redirect_edge_and_branch): Change return type. Return true
8039 if topological order might have been invalidated.
8040 (purge_empty_blocks): Export and move from...
8041 * sel-sched.c (purge_empty_blocks): ... here.
8042 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
8043 (maybe_tidy_empty_bb): Delete prototype.
8044 (purge_empty_blocks): Declare.
8046 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8048 PR rtl-optimization/42249
8049 * sel-sched.c (try_replace_dest_reg): When chosen register
8050 and original register is the same, do not bail out early, but
8051 still check all original insns for validity of replacing destination
8052 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
8055 2010-01-14 Jakub Jelinek <jakub@redhat.com>
8058 Port from no-undefined-overflow branch:
8059 2009-03-09 Richard Guenther <rguenther@suse.de>
8061 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
8063 2010-01-14 Richard Guenther <rguenther@suse.de>
8066 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
8068 2010-01-14 Ira Rosen <irar@il.ibm.com>
8070 PR tree-optimization/42709
8071 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
8072 as scalar type in creation of constant vector operand.
8074 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8077 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
8078 (check-parallel-%): Match `testsuite' directory component only
8081 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
8083 PR translation/39521
8084 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
8087 2010-01-13 Richard Guenther <rguenther@suse.de>
8089 PR tree-optimization/42730
8090 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
8093 2010-01-13 Steve Ellcey <sje@cup.hp.com>
8096 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
8097 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
8100 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
8102 * config/bfin/libgcc-bfin.ver: Regenerate based on current
8103 libgcc-std.ver. Add entries for ___smulsi3_highpart and
8104 ___umulsi3_highpart.
8106 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
8107 rather than schedule_insns if the pass is enabled.
8109 2010-01-13 Martin Jambor <mjambor@suse.cz>
8111 PR tree-optimization/42704
8112 * tree-sra.c (sra_modify_assign): Do not delete assignments to
8115 2010-01-13 Martin Jambor <mjambor@suse.cz>
8117 PR tree-optimization/42703
8118 * tree-sra.c (analyze_access_subtree): Check that we can build a
8119 reference to the original data within the aggregate.
8121 2010-01-13 Richard Guenther <rguenther@suse.de>
8123 PR tree-optimization/42705
8124 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
8126 2010-01-13 Richard Guenther <rguenther@suse.de>
8129 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
8131 2010-01-13 Jakub Jelinek <jakub@redhat.com>
8134 * var-tracking.c (values_to_unmark): New variable.
8135 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
8136 values_to_unmark vector. Moved body to...
8137 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
8138 instead queue it into values_to_unmark vector.
8139 (vt_find_locations): Free values_to_unmark vector.
8141 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
8143 * config/s390/s390.c (override_options): Set
8144 default of max-pending-list-length to 256
8146 2010-01-13 Richard Guenther <rguenther@suse.de>
8149 * tree-pass.h (PROP_gimple_lcx): New.
8150 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
8151 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
8152 before the final cleanup_eh.
8153 (dump_properties): Dump PROP_gimple_lcx.
8154 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
8155 (tree_lower_complex_O0): Remove.
8156 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
8157 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
8158 tree_lower_complex, schedule TODO_update_ssa.
8159 * lto-streamer-out.c (output_function): Stream the functions
8161 * lto-streamer-in.c (input_function): Likewise.
8162 (lto_read_body): Do not override them here.
8164 2010-01-12 Joseph Myers <joseph@codesourcery.com>
8167 * c-typeck.c (build_c_cast): Fold value cast to union type before
8168 wrapping it in a CONSTRUCTOR.
8170 2010-01-12 Jakub Jelinek <jakub@redhat.com>
8172 PR rtl-optimization/42699
8173 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
8176 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8178 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
8179 SUBTARGET_WARN_UNUSED_SPEC): Move ...
8180 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
8181 SUBTARGET_WARN_UNUSED_SPEC): ... here
8182 * config/mips/iris5.h (LIBGCC_SPEC): Define.
8184 2010-01-12 Julian Brown <julian@codesourcery.com>
8186 * config/arm/neon-schedgen.ml (Utils): Don't try to
8187 open missing module.
8188 (find_with_result): New.
8190 2010-01-12 Jakub Jelinek <jakub@redhat.com>
8193 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
8194 sharing when canonicalizing ({lt,ge}u (plus a b) b).
8196 PR tree-optimization/42645
8197 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
8198 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
8199 decl_map, set processing_debug_stmt to -1 and return name without
8202 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
8204 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
8205 binutils version, and reword target configuration description.
8207 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
8209 * config/avr/avr.h (LINKER_NAME): Remove.
8211 2010-01-11 Janis Johnson <janis187@us.ibm.com>
8214 * config/rs6000/rs6000.c (rs6000_override_options): On targets
8215 that support VSX, warn for -mno-altivec if vsx is not disabled,
8218 2010-01-11 Joseph Myers <joseph@codesourcery.com>
8219 Shujing Zhao <pearly.zhao@oracle.com>
8221 PR translation/42469
8222 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
8223 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
8224 character between option name and help text.
8225 * c.opt (imultilib): Likewise.
8227 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
8229 * lto-streamer-out.c (output_unreferenced_globals): Output static
8232 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
8234 PR rtl-optimization/42621
8235 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
8236 optimizing for size.
8237 (duplicate_computed_gotos): Remove now-redundant check.
8239 2010-01-10 Steve Ellcey <sje@cup.hp.com>
8242 * configure.ac: Save and restore LDFLAGS and LIBS
8243 * configure: Regenerate.
8245 2010-01-10 Richard Guenther <rguenther@suse.de>
8248 * builtins.c (fold_builtin_strlen): Add type argument and
8249 convert the resulting length to it.
8250 (fold_builtin_1): Adjust.
8252 2010-01-09 Jakub Jelinek <jakub@redhat.com>
8254 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
8255 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
8257 (num_insns_constant_wide): Adjust for that change.
8259 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8262 * web.c (union_defs): Add used argument, to combine uses of
8264 (entry_register): Adjust type and tests of used argument.
8265 (web_main): Widen used for new use. Pass it to union_defs.
8266 * df.h (union_defs): Adjust prototype.
8268 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8271 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
8272 uses in new incoming argument. Free body.
8273 (reset_debug_uses_in_loop): New.
8274 (analyze_insn_to_expand_var): Call the latter if the former found
8275 anything. Fix whitespace. Reject invalid dest overlaps before
8276 going through all insns in the loop.
8278 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8281 * haifa-sched.c (dying_use_p): Debug insns don't count.
8283 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8286 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
8287 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
8288 (verify_gimple_call): Reject LHS in noreturn calls.
8290 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8294 * tree-vect-loop-manip.c (adjust_info): New type.
8295 (adjust_vec): New pointer to vector.
8296 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
8297 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
8298 (slpeel_update_phis_for_duplicate_loop): Use them.
8299 (slpeel_update_phi_nodes_for_guard1): Likewise.
8300 (slpeel_update_phi_nodes_for_guard2): Likewise.
8301 (slpeel_tree_peel_loop_to_edge): Likewise.
8302 (vect_update_ivs_after_vectorizer): Likewise.
8304 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8306 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
8307 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
8309 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8311 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
8312 bogus uninitialized warning.
8314 2010-01-09 Richard Guenther <rguenther@suse.de>
8317 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
8318 the evolution is compatible with the initial condition.
8320 2010-01-09 Jakub Jelinek <jakub@redhat.com>
8322 * gcc.c (process_command): Update copyright notice dates.
8323 * gcov.c (print_version): Likewise.
8324 * gcov-dump.c (print_version): Likewise.
8325 * mips-tfile.c (main): Likewise.
8326 * mips-tdump.c (main): Likewise.
8328 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
8331 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
8333 (rotlhi3_8): Delete.
8335 (rotlsi3_8): Delete.
8336 (rotlsi3_16): Delete.
8337 (rotlsi3_24): Delete.
8339 (*rotw<mode>3): New.
8340 (*rotb<mode>3): New.
8341 * config/avr/avr.c (avr_rotate_bytes): New function.
8342 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
8344 2010-01-08 Steve Ellcey <sje@cup.hp.com>
8347 * configure.ac: Modify -rdynamic check.
8348 * configure: Regenerate.
8350 2010-01-08 DJ Delorie <dj@redhat.com>
8352 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
8353 register popping order.
8355 2010-01-08 Richard Guenther <rguenther@suse.de>
8358 * c.opt (fsigned-char): Also let LTO handle this option.
8359 (funsigned-char): Likewise.
8361 2010-01-07 Richard Guenther <rguenther@suse.de>
8363 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
8364 (gimple_op): Likewise.
8365 (gimple_op_ptr): Likewise.
8366 (gimple_assign_set_lhs): Remove gcc_assert.
8367 (gimple_assign_set_rhs1): Likewise.
8368 (gimple_assign_set_rhs2): Likewise.
8369 (gimple_call_set_lhs): Likewise.
8370 (gimple_call_set_fn): Likewise.
8371 (gimple_call_set_fndecl): Likewise.
8372 (gimple_call_fndecl): Likewise.
8373 (gimple_call_return_type): Likewise.
8374 (gimple_call_set_chain): Likewise.
8375 (gimple_call_num_args): Likewise.
8376 (gimple_call_set_arg): Likewise.
8377 (gimple_cond_set_code): Likewise.
8378 (gimple_cond_set_lhs): Likewise.
8379 (gimple_cond_set_rhs): Likewise.
8380 (gimple_cond_set_true_label): Likewise.
8381 (gimple_cond_set_false_label): Likewise.
8382 (gimple_label_set_label): Likewise.
8383 (gimple_goto_set_dest): Likewise.
8384 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
8385 (gimple_debug_bind_get_value): Likewise.
8386 (gimple_debug_bind_get_value_ptr): Likewise.
8387 (gimple_debug_bind_set_var): Likewise.
8388 (gimple_debug_bind_set_value): Likewise.
8389 (gimple_debug_bind_reset_value): Likewise.
8390 (gimple_debug_bind_has_value_p): Likewise.
8391 (gimple_return_retval_ptr): Remove gcc_assert.
8392 (gimple_return_retval): Likewise.
8393 (gimple_return_set_retval): Likewise.
8394 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
8395 (safe_referenced_var_iterator): Remove.
8396 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
8397 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
8398 (fill_referenced_var_vec): Remove.
8399 (first_readonly_imm_use): Remove redundant gcc_assert.
8400 (phi_arg_index_from_use): Combine gcc_asserts.
8401 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
8402 (first_imm_use_stmt): Remove redundant gcc_assert.
8403 * tree-cfg.c (verify_gimple_call): Verify function and chain
8404 operands. Verify arguments.
8405 (verify_types_in_gimple_stmt): Verify condition code and labels.
8407 2010-01-07 Richard Guenther <rguenther@suse.de>
8409 PR tree-optimization/42641
8410 * sese.c (rename_map_elt_info): Use the SSA name version, do
8413 2010-01-07 Jakub Jelinek <jakub@redhat.com>
8415 PR tree-optimization/42625
8416 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
8417 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
8419 2010-01-07 Duncan Sands <baldrick@free.fr>
8421 * Makefile.in (PLUGIN_HEADERS): Add version.h.
8423 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
8426 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
8427 note itself is not function_invariant_p.
8429 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
8431 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
8432 Do not add the DF_NOTE problem.
8433 * store-motion.c (execute_rtl_store_motion): Likewise.
8435 2010-01-07 Martin Jambor <mjambor@suse.cz>
8437 PR tree-optimization/42157
8438 * tree-sra.c (compare_access_positions): Stabilize sort if both
8439 accesses have integer types, return zero immediately if they are the
8442 2010-01-06 Richard Henderson <rth@redhat.com>
8445 * haifa-sched.c (add_to_note_list): Merge into ...
8446 (concat_note_lists): ... here, and ...
8447 (unlink_other_notes, rm_other_notes): Merge into...
8448 (remove_notes): ... here. Create REG_SAVE_NOTEs for
8449 NOTE_INSN_EPILOGUE_BEG.
8451 2010-01-06 Richard Guenther <rguenther@suse.de>
8453 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
8454 not inline regular functions into always-inline functions.
8456 2010-01-06 Nick Clifton <nickc@redhat.com>
8458 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
8459 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
8461 (OVERRIDE_OPTIONS): Delete.
8462 (OPTIMIZATION_OPTIONS): Define.
8463 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
8464 * config/rx/rx.c (rx_handle_option): Issue an error message if
8465 -mcpu=rx200 and -fpu are used together.
8466 (rx_set_optimization_options): New function. Issue an error
8467 message if an optimization attribute attempts to reset the FPU/
8468 math optimization pairing.
8469 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
8470 * config/rx/rx.opt: Set the default to 32-bit doubles.
8471 * config/rx/t-rx: Add multilibs for -nofpu option.
8472 * doc/invoke.texi: Update documentation of RX options.
8474 2010-01-06 Richard Guenther <rguenther@suse.de>
8476 * tree-ssa-pre.c (name_to_id): New global.
8477 (alloc_expression_id): Simplify SSA name handling.
8478 (lookup_expression_id): Likewise.
8479 (init_pre): Zero name_to_id.
8480 (fini_pre): Free it.
8482 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
8484 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
8486 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
8489 * config/i386/sse.md (smaxv2di3): New.
8490 (umaxv2di3): Likewise.
8491 (sminv2di3): Likewise.
8492 (uminv2di3): Likewise.
8494 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
8497 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
8498 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
8499 (legitimize_tls_address): Likewise.
8500 (sparc_tls_referenced_p): Likewise.
8501 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
8502 and adjust calls to legitimize_pic_address.
8503 (legitimate_constant_p) Use sparc_tls_referenced_p.
8504 (legitimate_pic_operand_p): Likewise.
8505 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
8506 (sparc_tls_symbol_ref_1): Delete.
8507 (sparc_tls_referenced_p): Make static, recognize specific patterns.
8508 (legitimize_tls_address): Make static, handle CONST patterns.
8509 (legitimize_pic_address): Make static, remove unused parameter and
8510 adjust recursive calls.
8511 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
8512 and adjust call to legitimize_pic_address.
8513 (sparc_output_mi_thunk): Likewise.
8515 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
8516 H.J. Lu <hongjiu.lu@intel.com>
8519 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
8520 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
8521 operands to make them signed.
8524 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8527 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8528 GTU to GT for V4SI and V2DI.
8530 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8531 (umin<mode>3): Removed.
8533 (uminv4si3): Likewise.
8535 2010-01-05 Martin Jambor <mjambor@suse.cz>
8537 PR tree-optimization/42462
8538 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
8539 current_function_decl to helper functions and macros.
8541 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8544 * flags.h: Don't include real.h.
8545 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
8546 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
8547 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
8548 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
8549 * dominance.c: Update copyright.
8550 * gimple.c (walk_gimple_op): Remove inline.
8551 * tree-ssa-reassoc.c: Include real.h.
8552 * Makefile.in (FLAGS_H): Remove $(REAL_H).
8553 (tree-ssa-reassoc.o): Depend on $(REAL_H).
8555 2010-01-05 Nick Clifton <nickc@redhat.com>
8557 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
8558 register to push into the stack frame when the accumulator has to
8559 be saved during interrupts.
8561 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
8563 * doc/invoke.texi: Remove the documentation about option
8565 * common.opt (Wunreachable-code): Preserved for backward
8567 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
8568 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
8569 the backward compatibility flag section.
8571 2010-01-05 Richard Guenther <rguenther@suse.de>
8573 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
8575 2010-01-05 Jakub Jelinek <jakub@redhat.com>
8578 * cfgexpand.c (expand_one_var): Diagnose too large variables.
8580 PR tree-optimization/42508
8581 * tree-sra.c (convert_callers): Check for recursive call
8582 by comparing cgraph nodes instead of decls.
8583 (modify_function): Call ipa_modify_formal_parameters also
8584 on all same_body aliases.
8586 * cgraphunit.c (cgraph_materialize_all_clones): Compare
8587 cgraph nodes when checking for same_body aliases.
8589 2010-01-05 Richard Guenther <rguenther@suse.de>
8591 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
8592 allocation and lookup.
8593 (get_or_alloc_expr_for_constant): Likewise.
8594 (phi_translate): Sink allocation.
8596 2010-01-04 Richard Guenther <rguenther@suse.de>
8598 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
8599 a new entry only if needed.
8600 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
8601 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
8603 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
8605 (phi_translate): Handle CONSTANTs early.
8607 2010-01-04 Martin Jambor <mjambor@suse.cz>
8609 PR tree-optimization/42398
8610 * tree-sra.c (struct access): Removed flag grp_different_types.
8611 (dump_access): Do not dump the removed flag.
8612 (sort_and_splice_var_accesses): Do not set the removed flag.
8613 (sra_modify_expr): Check for type compatibility directly.
8615 2010-01-04 Martin Jambor <mjambor@suse.cz>
8617 PR tree-optimization/42366
8618 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
8619 edges with variable number of parameters.
8620 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
8621 flag instead of asserting it.
8622 (ipa_read_node_info): Read uses_analysis_done flag.
8624 2010-01-04 Richard Guenther <rguenther@suse.de>
8626 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
8627 iterative_hash_* as intended.
8628 (vn_reference_compute_hash): Likewise. Simplify hashing
8630 (vn_reference_lookup_2): Likewise.
8631 (vn_nary_op_compute_hash): Likewise.
8632 (vn_phi_compute_hash): Likewise.
8633 (expressions_equal_p): Remove strange code.
8634 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
8635 (pre_expr_hash): Likewise. Simplify hashing SSA names.
8636 (bitmap_insert_into_set_1): Take value-id as parameter.
8637 (add_to_value): Pass it.
8638 (bitmap_insert_into_set): Likewise.
8639 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
8641 2010-01-04 Jakub Jelinek <jakub@redhat.com>
8644 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
8645 (do_self_spec): For switches with SWITCH_IGNORE set set also
8646 SWITCH_IGNORE_PERMANENTLY.
8647 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
8650 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
8652 * lto-streamer-out.c (output_unreferenced_globals): Output the full
8653 tree of an unreferenced global var.
8655 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8658 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8659 GTU to GT for V4SI and V2DI.
8661 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8662 (umin<mode>3): Removed.
8664 (uminv4si3): Likewise.
8666 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8669 * collect2.c (main): Turn on trace in collect2 if -v is passed
8672 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
8674 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
8675 description of expression operand.
8677 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
8679 * configure.ac: Add install-html to target_list for Make-hooks.
8680 * configure: Regenerate.
8681 * fortran/Make-lang.in (F95_HTMLFILES): New.
8682 (fortran.html): Use it.
8683 (fortran.install-html): New.
8684 * Makefile.in (install-html): Add lang.install-html.
8685 * java/Make-lang.in (JAVA_HTMLFILES): New.
8686 (java.html): Use it.
8687 (java.install-html): New.
8688 * objc/Make-lang.in (objc.install-html): New.
8689 * objcp/Make-lang.in (obj-c++.install-html): New.
8690 * cp/Make-lang.in (c++.install-html): New.
8691 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
8692 * lto/Make-lang.in (lto.install-html): New.
8694 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8697 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
8699 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
8701 PR rtl-optimization/41862
8702 * store-motion.c (store_killed_in_insn, compute_store_table,
8703 remove_reachable_equiv_notes, replace_store_insn,
8704 build_store_vectors): Ignore all DEBUG_INSNs.
8706 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8709 * common.opt: Add dumpdir.
8711 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
8713 (option_map): Add --dumpdir.
8715 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
8717 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
8719 * opts.c (decode_options): Try dump_dir_name first if
8720 dump_base_name isn't an absolute path.
8721 (common_handle_option): Handle OPT_dumpdir.
8723 * toplev.c (dump_dir_name): New.
8724 (print_switch_values): Also ignore -dumpdir.
8726 * toplev.h (dump_dir_name): New.
8728 2010-01-03 Richard Guenther <rguenther@suse.de>
8730 PR tree-optimization/42589
8731 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
8732 double-word expansion of bswap32.
8734 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
8736 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
8737 with BLOCK_FOR_INSN.
8738 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
8739 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
8740 noce_process_if_block): Likewise.
8741 * gcse.c (compute_local_properties, insert_expr_in_table,
8742 insert_set_in_table, canon_list_insert, find_avail_set,
8743 pre_insert_copy_insn): Likewise.
8745 * basic-block.h (BLOCK_NUM): Move from here...
8746 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
8748 2010-01-03 Richard Guenther <rguenther@suse.de>
8750 PR tree-optimization/42438
8751 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
8752 contains_may_not_return_call flag.
8753 (BB_MAY_NOTRETURN): New.
8754 (valid_in_sets): Trapping nary operations are not valid
8755 in blocks that may not return.
8756 (insert_into_preds_of_block): Remove check for trapping expressions.
8757 (compute_avail): Compute also BB_MAY_NOTRETURN.
8759 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
8761 * doc/invoke.texi: Add 2010 to copyright years.
8763 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
8765 * config/sparc/sparc.c: Fix formatting nits.
8767 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
8768 Alexander Monakov <amonakov@ispras.ru>
8770 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
8772 2010-01-02 Richard Guenther <rguenther@suse.de>
8775 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
8776 (simplify_switch_using_ranges): Mark to be removed edges
8779 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8781 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
8783 * collect2.c (scan_libraries): Add missing argument in call to
8786 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
8789 * config/alpha/predicates.md (aligned_memory_operand): Return false
8791 (unaligned_memory_operand): Return true for CQImode.
8792 * config/alpha/alpha.c (get_aligned_mem): Assert that location
8793 doesn not cross aligned SImode word boundary.
8795 2010-01-02 Anatoly Sokolov <aesok@post.ru>
8797 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
8799 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
8800 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
8802 2010-01-02 Richard Guenther <rguenther@suse.de>
8805 * toplev.c (compile_file): Emit LTO marker properly. Change
8807 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
8809 2010-01-01 Richard Guenther <rguenther@suse.de>
8812 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
8814 2010-01-01 Richard Guenther <rguenther@suse.de>
8817 * c-decl.c (grokdeclarator): For zero-size arrays force
8818 structural equality checks as layout_type does.
8820 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8822 * builtins.c: Update copyright to 2010.
8824 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8827 * lto-streamer-out.c (produce_asm): Revert the last change.
8828 (copy_function): Likewise.
8830 * lto-streamer.c (lto_get_section_name): Skip any leading
8833 2010-01-01 Richard Guenther <rguenther@suse.de>
8836 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
8840 Copyright (C) 2010 Free Software Foundation, Inc.
8842 Copying and distribution of this file, with or without modification,
8843 are permitted in any medium without royalty provided the copyright
8844 notice and this notice are preserved.