1 2010-05-10 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/44050
4 * tree-inline.c (tree_function_versioning): Clone the ipa-pta
7 2010-05-10 Wei Guozhi <carrot@google.com>
10 * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
12 2010-05-09 Joseph Myers <joseph@codesourcery.com>
15 * c-typeck.c (lookup_field): Take a type directly. Update
17 (build_component_ref): Update call to lookup_field.
18 (set_init_label): Use lookup_field to find initialized field.
19 Handle returned list of fields like a sequence of designators.
21 2010-05-09 Richard Guenther <rguenther@suse.de>
24 * fold-const.c (tree_single_nonzero_warnv_p): Properly
25 handle &FUNCTION_DECL.
27 2010-05-09 Joseph Myers <joseph@codesourcery.com>
30 * c-decl.c (detect_field_duplicates_hash): New. Handle anonymous
31 structures and unions recursively.
32 (detect_field_duplicates): Move duplicate detection with a hash to
33 detect_field_duplicates_hash. Always use a hash if anonymous
34 structures or unions are present.
35 * doc/extend.texi (Unnamed Fields): Document that duplicate fields
38 2010-05-09 H.J. Lu <hongjiu.lu@intel.com>
41 * config/i386/driver-i386.c (host_detect_local_cpu): Properly
42 detect Atom, Core 2 and Core i7.
44 2010-05-09 Richard Guenther <rguenther@suse.de>
46 * gcc.c (store_arg): Handle temporary file deletion for
49 2010-05-09 Richard Guenther <rguenther@suse.de>
52 * ipa-inline.c (estimate_function_body_sizes): Return after
53 disregarding inline limits.
55 2010-05-09 Richard Guenther <rguenther@suse.de>
57 * gcc.c (store_arg): Revert last change.
59 2010-05-08 Sandra Loosemore <sandra@codesourcery.com>
62 * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
63 (optimize_ops_list): Call it.
65 2010-05-08 Richard Guenther <rguenther@suse.de>
67 PR tree-optimization/44030
68 * tree-ssa-pre.c (eliminate): Copy NECESSARY flag. Set
69 NECESSARY flag if we propagate from a inserted expression.
71 2010-05-08 Eric Botcazou <ebotcazou@adacore.com>
73 * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
74 domain types as equal if they are both PLACEHOLDER_EXPRs.
76 2010-05-08 Richard Guenther <rguenther@suse.de>
78 * lto-wrapper.c (run_gcc): Remove linker output from
79 command line for LTRANS invocation.
81 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
83 * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
84 lto-macho as lto_binary_reader.
85 * target.h (struct gcc_target): New hooks lto_start and lto_end.
86 * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
87 * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
88 in lto_start and lto_end calls.
89 (is_elf_or_coff): Rename to maybe_lto_object_file. Add Mach-O
91 (scan_prog_file): Update is_elf_or_coff call.
92 * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
94 * collect2.c (main): Fix enum comparison.
96 * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
98 * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
99 * darwin.h (LINK_COMMAND_SPEC): Likewise. Define TARGET_ASM_LTO_START
100 and TARGET_ASM_LTO_END.
101 * darwin.c: Include obstack.h and lto-streamer.h.
102 (lto_section_names_offset, lto_section_names_obstack,
103 lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
105 (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
106 (darwin_asm_lto_start): New function. Redirect output to asm_out_file
108 (darwin_asm_lto_end): New function. Restore asm_out_file.
109 (darwin_asm_named_section): For LTO sections, replace the name with
110 the offset of the section name in a string table, and build this
112 (darwin_file_start): Initialize global vars for LTO support.
113 (darwin_file_end): If output to asm_out_file was redirected, append it
114 to the proper asm_out_file here. Add the section names section.
116 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
118 * c-pragma.c (pending_weak_d, pending_weak): New.
119 (pending_weaks): Change the type to VEC((pending_weak,gc) *.
120 (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
121 handle_pragma_weak): Update the uses of pending_weaks.
123 2010-05-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
125 PR documentation/44016
126 * doc/standards.texi (Standards): Link to unversioned
127 cxx0x_status.html page.
129 2010-05-07 Iain Sandoe <iains@gcc.gnu.org>
132 * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
133 in addition to TREE_USED, to avoid "set but unused" warnings.
135 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
137 * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
138 (is_loop_prefetching_profitable): Do not insert prefetches
139 when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
140 times the prefetch ahead distance.
142 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
144 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
145 Account for loop unrolling in the insn-to-prefetch ratio heuristic.
146 (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
149 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
151 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
152 a diagnostic info when the insn-to-mem ratio is too small.
154 2010-05-07 Richard Guenther <rguenther@suse.de>
156 * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
158 (store_arg): Queue temp_filename for deletion instead of
161 2010-05-07 Richard Guenther <rguenther@suse.de>
163 * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
164 (run_gcc): Handle LTRANS phase invocation.
165 * collect2.c (maybe_run_lto_and_relink): Do not set
168 2010-05-07 Jakub Jelinek <jakub@redhat.com>
170 * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
171 this is also meaningful on PARM_DECLs and RESULT_DECLs.
173 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
175 * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
177 2010-05-07 Richard Guenther <rguenther@suse.de>
179 PR tree-optimization/44020
180 * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
181 code when PRE is not yet initialized.
183 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
185 * config/mips/dbxmdebug.h: Remove.
186 * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
188 2010-05-07 Shujing Zhao <pearly.zhao@oracle.com>
190 * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
191 with null pointer and also warn about ordered comparison of zero with
194 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
196 * graphite-blocking.c
197 (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
198 * graphite-clast-to-gimple.c
199 (clast_to_gcc_expression): Same.
200 (precision_for_value): Same.
201 (precision_for_interval): Same.
202 (gcc_type_for_interval): Same.
203 (graphite_create_new_guard): Same.
204 (compute_bounds_for_level): Same.
205 (graphite_create_new_loop_guard): Same.
206 * graphite-interchange.c
207 (build_linearized_memory_access): Same.
208 (pdr_stride_in_loop): Same.
209 (memory_strides_in_loop_1): Same.
210 (memory_strides_in_loop): Same.
211 (extend_scattering): Same.
212 (psct_scattering_dim_for_loop_depth): Same.
213 (pbb_number_of_iterations): Same.
215 (debug_iteration_domains): Same.
217 (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
218 (ppl_set_inhomogeneous_gmp): Same.
219 (ppl_strip_loop): Same.
220 (ppl_lexico_compare_linear_expressions): Same.
221 (ppl_read_polyhedron_matrix): Same.
222 (ppl_max_for_le_pointset): Same.
224 (ppl_read_polyhedron_matrix): Same.
225 (tree_int_to_gmp): Same.
226 (gmp_cst_to_tree): Same.
227 (ppl_set_inhomogeneous): Same.
228 (ppl_set_inhomogeneous_tree): Same.
229 (ppl_set_coef): Same.
230 (ppl_set_coef_tree): Same.
231 * graphite-sese-to-poly.c
232 (build_pbb_scattering_polyhedrons): Same.
233 (build_scop_scattering): Same.
234 (scan_tree_for_params_right_scev): Same.
235 (scan_tree_for_params): Same.
236 (find_params_in_bb): Same.
237 (find_scop_parameters): Same.
238 (add_upper_bounds_from_estimated_nit): Same.
239 (build_loop_iteration_domains): Same.
240 (add_condition_to_domain): Same.
241 (pdr_add_memory_accesses): Same.
243 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
245 * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
246 CLooG's value_* macros to their respective mpz_* counterparts.
247 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
248 (graphite_create_new_loop_guard): Same.
249 * graphite-interchange.c (build_linearized_memory_access): Same.
250 (pdr_stride_in_loop): Same.
251 (memory_strides_in_loop_1): Same.
252 (1st_interchange_profitable_p): Same.
253 * graphite-poly.c (extend_scattering): Same.
254 (psct_scattering_dim_for_loop_depth): Same.
255 (pbb_number_of_iterations): Same.
256 (pbb_number_of_iterations_at_time): Same.
257 * graphite-poly.h (new_1st_loop): Same.
258 * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
259 (oppose_constraint): Same.
260 (insert_constraint_into_matrix): Same.
261 (ppl_set_inhomogeneous_gmp): Same.
262 (ppl_set_coef_gmp): Same.
263 (ppl_strip_loop): Same.
264 (ppl_lexico_compare_linear_expressions): Same.
265 (ppl_max_for_le_pointset): Same.
266 (ppl_min_for_le_pointset): Same.
267 (ppl_build_realtion): Same.
268 * graphite-ppl.h (gmp_cst_to_tree): Same.
269 (ppl_set_inhomogeneous): Same.
270 (ppl_set_inhomogeneous_tree): Same.
271 (ppl_set_coef): Same.
272 (ppl_set_coef_tree): Same.
273 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
274 (build_scop_scattering): Same.
275 (add_value_to_dim): Same.
276 (scan_tree_for_params_right_scev): Same.
277 (scan_tree_for_params_int): Same.
278 (scan_tree_for_params): Same.
279 (find_params_in_bb): Same.
280 (find_scop_parameters): Same.
281 (add_upper_bounds_from_estimated_nit): Same.
282 (build_loop_iteration_domains): Same.
283 (create_linear_expr_from_tree): Same.
284 (add_condition_to_domain): Same.
285 (pdr_add_memory_accesses): Same.
287 2010-05-06 Magnus Fromreide <magfr@lysator.liu.se>
288 Jason Merrill <jason@redhat.com>
290 * c-common.c (c_common_reswords): Add nullptr.
291 * c-common.h: Add RID_NULLPTR. Reorganize C++0x rids.
292 * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
293 (gen_type_die_with_usage): Likewise.
294 * dbxout.c (dbxout_type): Likewise.
295 * sdbout.c (plain_type_1): Likewise.
297 2010-05-06 Jason Merrill <jason@redhat.com>
299 * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
300 Don't change GS_OK to GS_ALL_DONE. Make sure that all cases set
302 (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
304 * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
305 stripping WITH_SIZE_EXPR.
306 (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
309 2010-05-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
311 * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
312 list of obsolete configurations.
313 Disabled check for obsolete configurations.
314 (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
315 Removed support for previous versions.
316 * config/mips/iris.h: Removed.
317 * config/mips/iris5.h: Removed.
318 * config/mips/iris6.h: Merged old iris.h contents.
319 (TARGET_IRIX): Removed.
320 (DRIVER_SELF_SPECS): Removed mabi=32.
321 (IDENT_ASM_OP): Removed undef.
322 (STARTFILE_SPEC): Removed mabi=32.
323 (ENDFILE_SPEC): Likewise.
324 (IRIX_SUBTARGET_LINK_SPEC): Likewise.
325 (MACHINE_TYPE): Update for IRIX 6.5.
326 * config/mips/mips.c (mips_build_builtin_va_list): Replaced
327 TARGET_IRIX by TARGET_IRIX6.
328 (mips_file_start): Likewise.
329 (mips_output_external): Remove IRIX 5/6 O32 support.
330 (mips_output_function_prologue): Likewise.
331 * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
333 (TARGET_CPU_CPP_BUILTINS): Likewise.
334 (TARGET_IRIX): Removed.
335 * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
336 (MULTILIB_DIRNAMES): Removed 32.
337 (MULTILIB_OSDIRNAMES): Removed ../lib.
338 * doc/install.texi (Prerequisites): Don't reference IRIX before
340 (Specific, mips-sgi-irix5): Document removal.
341 (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI
343 Remove references to older IRIX 6 releases and the O32 ABI.
345 2010-05-06 Jakub Jelinek <jakub@redhat.com>
347 * gcc.dg/Wunused-var-8.c: Move to...
348 * c-c++-common/Wunused-var-6.c: ... here. New test.
351 * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
352 instead of DF_REF_REAL_REG.
354 2010-05-06 Dave Korn <dave.korn.cygwin@gmail.com>
357 * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
358 handling to still return true for x64 targets.
360 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
362 * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
364 2010-05-06 Jan Hubicka <jh@suse.cz>
366 PR tree-optimization/43791
367 * ipa-inline.c (update_caller_keys): Remove bogus
368 disregard_inline_limits check.
370 2010-05-06 Michael Matz <matz@suse.de>
372 PR tree-optimization/43984
373 * tree-ssa-pre.c (inserted_phi_names): Remove.
374 (inserted_exprs): Change to bitmap.
375 (create_expression_by_pieces): Set bits, don't append to vector.
376 (insert_into_preds_of_block): Don't handle inserted_phi_names.
377 (eliminate): Don't look at inserted_phi_names, remove deleted
378 insns from inserted_exprs.
379 (remove_dead_inserted_code): Adjust to use bitmaps instead of
381 (init_pre, fini_pre): Allocate and free bitmaps.
382 (execute_pre): Insert insns on edges before elimination.
384 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
386 * tree.c (initializer_zerop): Handle STRING_CST.
388 2010-05-06 Manuel López-Ibáñez <manu@gcc.gnu.org>
391 * doc/invoke.texi (Wimplicit): Document as C only.
392 * opts.c (common_handle_option): Add argument kind.
393 (handle_option): Rename as read_cmdline_option. Factor out code to...
394 (handle_option): ... here. New.
395 (handle_options): Rename as read_cmdline_options.
396 (decode_options): Update call.
397 (set_option): Use option index instead of option pointer. Classify
398 diagnostics correctly.
399 (enable_warning_as_error): Call handle_option.
400 * opts.h (set_option): Update declaration.
401 (handle_option): Declare.
402 * langhooks.h (struct lang_hooks): Add argument kind to
404 * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
405 * c-opts.c (set_Wimplicit): Delete.
406 (c_family_lang_mask): New static constant.
407 (c_common_handle_option): Add argument kind. Use handle_option
408 instead of set_Wimplicit.
409 (c_common_post_options): warn_implicit and warn_implicit_int
410 are disabled by default.
411 * c-common.c (warn_implicit): Do not define here.
412 * c-common.h (warn_implicit): Do not declare here.
413 (c_common_handle_option): Update declaration.
414 * lto-opts.c (lto_reissue_options): Update call to set_option.
416 2010-05-06 Richard Guenther <rguenther@suse.de>
418 PR tree-optimization/43571
419 * domwalk.c (walk_dominator_tree): Walk the dominator
420 sons in more optimal order.
422 2010-05-06 Richard Guenther <rguenther@suse.de>
424 PR tree-optimization/43934
425 * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
426 (stmt_cost): Likewise.
427 (extract_true_false_args_from_phi): New helper.
428 (determine_max_movement): For PHI nodes verify we can hoist them
429 and compute their cost.
430 (determine_invariantness_stmt): Handle PHI nodes.
431 (move_computations_stmt): Likewise. Hoist PHI nodes in
432 if-converted form using COND_EXPRs.
433 (move_computations): Return TODO_cleanup_cfg if we hoisted PHI
435 (tree_ssa_lim): Likewise.
436 * tree-flow.h (tree_ssa_lim): Adjust prototype.
437 * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
439 2010-05-06 Richard Guenther <rguenther@suse.de>
441 PR tree-optimization/43987
442 * tree-ssa-structalias.c (could_have_pointers): For possibly
443 address-taken variables force pointers to be recorded.
444 (create_variable_info_for_1): Likewise.
445 (push_fields_onto_fieldstack): Pass in wheter all fields
447 (find_func_aliases): Query types instead of vars whether
448 they contain pointers where appropriate.
450 2010-05-06 Jan Hubicka <jh@suse.cz>
452 * cgraphbuild.c (record_reference_ctx): Add varpool_node.
453 (record_reference, mark_address, mark_load, mark_store): Record
455 (record_references_in_initializer): Update call of record_references.
456 (rebuild_cgraph_edges): Remove all references before rebuiding.
457 * cgraph.c (cgraph_create_node): Clear ref list.
458 (cgraph_remove_node): Remove references.
459 (dump_cgraph_node): Dump references.
460 (cgraph_clone_node): Clone references.
461 * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
462 (struct cgraph_node, varpool_node): Add ref_lst.
463 * ipa-ref.c: New file.
464 * ipa-ref.h: New file.
465 * ipa-ref-inline.h: New file.
466 * lto-cgraph.c (output_varpool): Take cgrag node set argument.
467 (referenced_from_other_partition_p): New function.
468 (lto_output_varpool_node): Take set arugment; call
469 referenced_from_other_partition.
470 (lto_output_ref): New.
471 (add_references): New.
473 (output_cgraph): Compute boundary based on references;
475 (output_varpool): Accept cgraph_node_set argument.
478 (input_cgraph): Call input_refs.
479 * lto-section-in.c (lto_section_name): Add refs.
480 * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
481 (ipa-ref.o): New file.
482 * varpool.c (varpool_node): Clear ipa ref list.
483 (varpool_remove_node): Remove references.
484 (dump_varpool_node): Dump references.
485 (varpool_assemble_decl): Only compile finalized ones.
486 (varpool_extra_name_alias): Initialize ref list.
487 * lto-streamer.c (lto-get_section_name): Add .refs section.
488 * lto-streamer.h (lto_section_type): Add LTO_section_refs.
489 (referenced_from_other_partition_p): Declared.
491 2010-05-06 Ira Rosen <irar@il.ibm.com>
493 PR tree-optimization/43901
494 * tree-vect-stmts.c (vectorizable_call): Assert that vector
495 type is not NULL if it's transformation phase, and return
496 FALSE if it's analysis.
497 (vectorizable_conversion, vectorizable_operation,
498 vectorizable_type_demotion, vectorizable_type_promotion):
501 2010-05-05 Andrew Pinski <andrew.pinski@caviumnetworks.com>
503 * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
505 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
507 * config/mips/mips-protos.h
508 (mips_small_register_classes_for_mode_p): Delete prototype.
510 2010-05-06 Bernd Schmidt <bernds@codesourcery.com>
512 * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
513 * config/arm/arm.c (multiple_operation_profitable_p,
514 compute_offset_order): New static functions.
515 (load_multiple_sequence, store_multiple_sequence): Use them.
516 Replace constant 4 with MAX_LDM_STM_OPS. Compute order[0] from
517 memory offsets, not register numbers.
518 (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
520 2010-05-05 Steven Bosscher <steven@gcc.gnu.org>
522 * stor-layout.c (pending_sizes): Change the type to
524 (get_pending_sizes, put_pending_size, put_pending_sizes):
525 Update the uses of pending_sizes.
526 * c-decl.c (store_parm_decls): Likewise.
527 * c-tree.h (struct c_arg_info): Likewise.
528 * tree.h: Update the prototype for get_pending_sizes and
531 2010-05-05 Jason Merrill <jason@redhat.com>
534 * c-common.c (handle_aligned_attribute): Respect
535 ATTR_FLAG_TYPE_IN_PLACE.
538 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
539 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
540 (TARGET_INITIALIZER): Use it.
541 * c-common.c (attribute_takes_identifier_p): Call it.
542 * c-common.h: Update prototype.
543 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
544 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
546 2010-05-05 Jakub Jelinek <jakub@redhat.com>
549 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
550 DW_ID_down_case for Fortran compilation units.
552 2010-05-05 Jan Hubicka <jh@suse.cz>
554 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
557 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
559 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
560 a variable-sized RESULT_DECL.
562 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
564 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
566 2010-05-05 Jason Merrill <jason@redhat.com>
569 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
571 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
573 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
574 Jakub Jelinek <jakub@redhat.com>
577 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
578 (dead_debug_init, dead_debug_finish): New functions.
579 (dead_debug_add, dead_debug_insert_before): Likewise.
580 (df_note_bb_compute): Initialize a dead_debug object, add dead
581 debug uses to it, insert debug bind insns before death insns,
582 reset debug insns that refer to pending uses at the end.
583 * rtl.h (make_debug_expr_from_rtl): New prototype.
584 * varasm.c (make_debug_expr_from_rtl): New function.
586 2010-05-05 Jan Hubicka <jh@suse.cz>
588 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
589 (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
590 lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
591 lto_varpool_encoder_encode_initializer_p,
592 lto_set_varpool_encoder_encode_initializer): New functions.
593 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
595 (input_varpool_node): Do not always set analyzed.
596 (input_cgraph_1): Return vector of cgraph nodes.
597 (input_varpool_1): Return vector of varpools.
598 (input_cgraph): Free the vectors.
599 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
600 output only initializers needed.
601 (lto_output): Only call output_cgraph.
602 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
603 * lto-section-out.c (lto_new_out_decl_state): Initialize
604 state->varpool_node_encoder.
605 * lto-streamer.h (lto_varpool_encoder_d): New.
606 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
607 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
608 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
609 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
610 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
612 (output_varpool, input_varpool): Remove declarations.
614 2010-05-05 Jan Hubicka <jh@suse.cz>
616 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
617 with body can prevail.
619 2010-05-05 Jan Hubicka <jh@suse.cz>
621 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
624 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
626 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
629 * gengtype.h (erro_at_line): Constify pos argument.
631 * gengtype.c: Include hashtab.h.
632 (enum gc_used): Document GC_MAYBE_POINTED_TO.
633 (error_at_line): Constify pos argument.
634 (do_typedef): Initialize p->opt field.
635 (get_file_gtfilename): Fix comment typo.
636 (struct walk_type_data): Constify line field.
637 (get_output_file_for_structure): New function.
638 (write_local_func_for_structure): Constify orig_s argument.
639 Use get_output_file_for_structure.
640 (write_func_for_structure): Use get_output_file_for_structure.
641 (INDENT): New define.
642 (dump_pair, dump_type, dump_type_list, dump_typekind)
643 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
644 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
646 (seen_types): New variable.
647 (main): New variable do_dump. Process "-d" command line option.
648 Call dump_everything if dump requested.
650 2010-05-05 Jakub Jelinek <jakub@redhat.com>
652 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
653 in a temporary instead of invoking the macro multiple times.
654 (track_expr_p): Likewise.
656 2010-05-04 Neil Vachharajani <nvachhar@google.com>
658 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
660 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
661 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
662 conditions for printing notes.
663 * common.opt (-Wcoverage-mismatch): Allow negative, default to
664 true, update documentation.
665 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
667 2010-05-04 Jakub Jelinek <jakub@redhat.com>
670 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
673 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
676 * config/i386/i386.md (sse_prologue_save): Add clobber CC
678 (*sse_prologue_save_insn1): Likewise.
679 (SSE prologue save splitter): Likewise.
681 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
683 * tree.c (free_lang_data_in_one_sizepos): New inline function.
684 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
685 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
686 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
687 all decls. Call it on DECL_FIELD_OFFSET of fields.
688 (find_decls_types_r): Follow DECL_VALUE_EXPR.
689 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
691 2010-05-04 Martin Jambor <mjambor@suse.cz>
693 * tree-sra.c (build_access_from_expr_1): The first parameter type
694 changed to simple tree.
695 (build_access_from_expr): Likewise, gsi parameter was eliminated.
696 (scan_assign_result): Renamed to assignment_mod_result, enum elements
698 (build_accesses_from_assign): Removed all parameters except for a
699 simple gimple statement. Now returns a simple bool.
700 (scan_function): All non-analysis parts moved to separate functions
701 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
702 parameters and updated both callers.
703 (sra_modify_expr): Removed parameter data.
704 (sra_modify_function_body): New function.
705 (perform_intra_sra): Call sra_modify_function_body to modify the
707 (replace_removed_params_ssa_names): Parameter data changed into
709 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
710 changed the parameter dont_convert to convert with the opposite
712 (sra_ipa_modify_assign): Parameter data changed into adjustments
713 vector, return value changed to bool.
714 (ipa_sra_modify_function_body): New function.
715 (sra_ipa_reset_debug_stmts): Updated a comment.
716 (modify_function): Use ipa_sra_modify_function_body to modify function
719 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
722 * alias.c (true_dependence): Handle the same VALUE in x and mem.
723 (canon_true_dependence): Likewise.
724 (write_dependence_p): Likewise.
726 2010-05-04 Jan Hubicka <jh@suse.cz>
728 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
729 * cgraphbuild.c: Include ipa-utils.h
730 (record_reference_ctx): New struct.
731 (record_reference): Simplify to work on initializers; not statements.
732 (mark_address, mark_load, mark_store): New.
733 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
735 (record_references_in_initializer): Update use of record_reference.
736 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
739 2010-05-04 Jan Hubicka <jh@suse.cz>
741 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
742 node will be removed anyway.
743 (lto_varpool_replace_node): Allow also unanalyzed nodes;
744 relink aliases of node into prevailing node.
745 * varpool.c (varpool_remove_node): Remove aliases properly;
746 when removing node, remove all its aliases too; remove DECL_INITIAL
747 of removed node; ggc_free the varpool node.
749 2010-05-04 Richard Guenther <rguenther@suse.de>
751 PR tree-optimization/43879
752 * tree-ssa-structalias.c (alias_get_name): Use
753 DECL_ASSEMBLER_NAME if available.
754 (create_function_info_for): Return the varinfo node.
755 (ipa_pta_execute): Associate same-body aliases and extra names
756 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
758 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
760 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
763 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
766 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
767 only if HONOR_REG_ALLOC_ORDER is not defined.
769 2010-05-04 Richard Guenther <rguenther@suse.de>
771 PR tree-optimization/43949
772 * tree-vrp.c (extract_range_from_binary_expr): Only handle
775 2010-04-26 Jason Merrill <jason@redhat.com>
777 * c.opt (-fstrict-enums): New.
778 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
780 2010-05-03 David Ung <davidu@mips.com>
781 James E. Wilson <wilson@codesourcery.com>
783 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
784 emit the trap instruction before the divide for TUNE_74K.
786 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
788 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
789 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
790 based on the above, for new target hook.
792 * hooks.c (hook_bool_mode_true): New generic hook.
793 * hooks.h (hook_bool_mode_true): Add prototype.
795 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
797 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
798 target hook, set to hook_bool_mode_false.
799 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
800 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
801 with targetm.small_register_classes_for_mode_p.
802 (find_reusable_reload): Likewise.
803 (combine_reloads): Likewise.
804 * reload1.c (reload_as_needed): Likewise.
805 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
806 * ifcvt.c (noce_process_if_block, check_cond_move_block,
807 dead_or_predicable): Likewise.
808 * regmove.c (optimize_reg_copy_1): Likewise.
809 * calls.c (prepare_call_address): Likewise.
810 (precompute_register_parameters): Likewise.
812 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
814 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
815 implementation of the hook that considers all register classes
816 small except for SH64.
817 (sh_override_options): Use the new hook.
818 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
821 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
823 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
824 implementation of the hook that considers all register classes
826 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
829 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
831 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
832 implementation of the hook that considers all register classes
834 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
837 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
839 * config/m32c/m32c.h: Likewise.
840 * config/pdp11/pdp11.h: Likewise.
841 * config/avr/avr.h: Likewise.
842 * config/xtensa/xtensa.h: Likewise.
843 * config/m68hc11/m68hc11.h: Likewise.
844 * config/mn10300/mn10300.h: Likewise.
845 * config/mcore/mcore.h: Likewise.
846 * config/h8300/h8300.h: Likewise.
847 * config/bfin/bfin.h: Likewise.
849 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
850 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
852 2010-05-03 Anatoly Sokolov <aesok@post.ru>
854 * double-int.h (tree_to_double_int): Remove macro.
855 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
856 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
857 (tree_to_double_int): New function.
858 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
860 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
862 2010-05-03 Richard Guenther <rguenther@suse.de>
864 PR tree-optimization/43971
865 * tree-ssa-structalias.c (get_constraint_for_1): Fix
866 constraints in the !flag_delete_null_pointer_checks case.
868 2010-05-03 Jakub Jelinek <jakub@redhat.com>
871 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
872 result mode matches original rtl mode.
874 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
877 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
879 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
881 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
882 when processing flag options.
884 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
886 * gcov-iov.c (main): Change format string placeholder
887 from %#08x to 0x%08x.
888 * genchecksum.c (dosum): Change format string placeholder
889 from %#02x to 0x%02x.
891 2010-05-02 Richard Guenther <rguenther@suse.de>
893 PR tree-optimization/43879
894 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
896 2010-05-02 Bruno Haible <bruno@clisp.org>
898 * doc/extend.texi (Function Attributes): Fix a typo.
900 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
903 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
904 placeholder from 0x%x to %#x.
905 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
906 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
907 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
908 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
909 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
910 * config/i386/i386.c (ix86_target_string): Ditto.
911 * config/i386/i386.c (output_pic_addr_const): Ditto.
912 (print_operand): Ditto.
914 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
916 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
917 placeholder from 0x%x to %#x.
918 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
919 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
920 (ASM_OUTPUT_DEBUG_DATA): Ditto.
921 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
922 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
923 * optc-gen.awk: Ditto.
924 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
925 (HOST_WIDE_INT_PRINT_HEX): Ditto.
926 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
927 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
929 2010-05-01 Anatoly Sokolov <aesok@post.ru>
931 * target.h (struct calls): Add function_value_regno_p field.
932 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
933 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
934 * targhooks.c (default_function_value_regno_p): New function.
935 * targhooks.h (default_function_value_regno_p): Declare function.
936 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
937 * builtins.c. (apply_result_size): (Ditto.).
938 * combine.c. (likely_spilled_retval_p): (Ditto.).
939 * mode-switching.c. Include 'target.h'.
940 (create_pre_exit): Use function_value_regno_p hook.
941 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
942 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
943 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
945 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
946 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
947 (ix86_function_value_regno_p): Declare as static, change argument
948 type to const unsigned int.
949 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
951 2010-05-01 Richard Guenther <rguenther@suse.de>
953 PR tree-optimization/43949
954 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
956 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
958 2010-05-01 Anatoly Sokolov <aesok@post.ru>
960 * rtl.h (CONST_DOUBLE_P): Define.
961 (rtx_to_double_int): Declare.
962 * emit-rtl.c (rtx_to_double_int): New function.
963 * dwarf2out.c (insert_double): New function.
964 (loc_descriptor, add_const_value_attribute): Clean up, use
965 rtx_to_double_int and insert_double functions.
967 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
969 * doc/extend.texi (Inline): Add missing return keyword to examples.
970 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
973 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
975 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
976 the variable part of the offset as well. Use highest_pow2_factor for
977 all alignment checks.
979 2010-04-30 Richard Guenther <rguenther@suse.de>
981 PR tree-optimization/43879
982 * tree-ssa-structalias.c (type_could_have_pointers): Functions
985 2010-04-30 Jan Hubicka <jh@suse.cz>
987 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
989 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
991 2010-04-30 Jan Hubicka <jh@suse.cz>
993 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
995 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
996 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
997 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
998 cgraph_node_set_needs_ltrans_p): Remove.
1000 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
1002 * sdbout.c: Include vec.h, do not include varray.h.
1003 (deferred_global_decls, sdbout_global_decl,
1004 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1005 * toplev.c: Do not include varray.h.
1006 (dump_memory_report): Do not dump VARRAY statistics.
1007 * gengtype.c (open_base_file): Ignore varray.h.
1008 * Makefile.in: Update for abovementioned changes.
1009 Remove all traces of varray.c and varray.h.
1010 * varray.c: Remove file.
1011 * varray.h: Remove file.
1013 2010-04-30 Jan Hubicka <jh@suse.cz>
1015 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1018 2010-04-30 Jan Hubicka <jh@suse.cz>
1020 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1023 2010-04-30 Richard Guenther <rguenther@suse.de>
1025 * tree-ssa-structalias.c (get_constraint_for_1): Generate
1026 constraints for CONSTRUCTOR.
1028 2010-04-30 Richard Guenther <rguenther@suse.de>
1031 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1032 first after all lowering passes.
1034 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
1036 * toplev.c: Include varray.h for statistics dumping.
1037 * tree.h: Do not declare varray_head_tag.
1038 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1039 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1040 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1041 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1042 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1043 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1044 c-common.c, c-common.h, reg-stack.c, basic-block.h,
1045 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1047 * Makefile.in: Update for abovementioned changes.
1049 2010-04-30 Jakub Jelinek <jakub@redhat.com>
1052 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1054 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1056 * config/picochip/picochip.c (picochip_legitimize_address): Define.
1057 Use this function to do machine-specific conversion.
1058 (picochip_legitimize_reload_address): Likewise.
1059 (picochip_legitimate_address_p): Check valid base register only if
1061 (picochip_check_conditional_copy): Check for modw only if opnd is
1063 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1064 to call the function in c.
1065 * config/picochip/picochip-protos.h
1066 (picochip_legitimize_reload_address): Define.
1067 * config/picochip/picochip.md (supported_compare1): Define.
1069 2010-04-30 Jan Hubicka <jh@suse.cz>
1071 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1072 (cgraph_global_info): Remove inlined.
1073 (LTO_cgraph_tag_names): Remove.
1074 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1075 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1076 simplify cgraph tags and document.
1077 (lto_output_node): Use only LTO_cgraph_unavail_node and
1078 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1079 for_functions_valid, global info, process and output flags.
1080 (input_overwrite_node): Initialize estimated stack size and
1081 estimated growth. Do not read flags we no longer store.
1082 (input_node): Likewise do not read info no longer stored.
1083 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1086 2010-04-30 Richard Guenther <rguenther@suse.de>
1088 PR tree-optimization/43879
1089 * tree-ssa-structalias.c (get_constraint_for_1): Properly
1090 handle non-zero initializers.
1092 2010-04-30 Richard Guenther <rguenther@suse.de>
1094 * builtins.c (fold_builtin_1): Delete free (0).
1096 2010-04-29 Jan Hubicka <jh@suse.cz>
1098 * gengtype.c (open_base_files): Add lto-streamer.h
1099 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1100 (pass_ipa_cp): GGC collect.
1101 * toplev. (compile_file): Do not output symbols.
1102 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1103 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1104 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1105 * lto-section-in.c: Include ggc.h
1106 (lto_new_in_decl_state): Alloc in GGC.
1107 (lto_delete_in_decl_state): Likewise.
1108 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1111 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
1114 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1115 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
1116 (HONOR_REG_ALLOC_ORDER): Describe new macro.
1117 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1118 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1119 account only if HONOR_REG_ALLOC_ORDER is not defined.
1120 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1121 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1123 2010-04-29 Jon Grant <04@jguk.org>
1125 * collect2.c (vflag): Change type from int to bool.
1127 (helpflag): New global bool.
1128 (main): Set vflag and debug with boolean, not integer truth values.
1129 Accept new "--help" option and output usage text if found.
1130 * collect2.h (vflag): Update prototype.
1133 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
1136 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1138 2010-04-29 Richard Guenther <rguenther@suse.de>
1141 * plugin.h (invoke_plugin_callbacks): Annotate arguments
1142 with ATTRIBUTE_UNUSED.
1144 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
1147 * config/i386/i386.c (get_some_local_dynamic_name): Replace
1148 INSN_P with NONDEBUG_INSN_P.
1149 (distance_non_agu_define): Likewise.
1150 (distance_agu_use): Likewise.
1152 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
1154 From Dominique d'Humieres <dominiq@lps.ens.fr>
1156 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1159 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
1161 * plugin.h (invoke_plugin_callbacks): New inline function.
1162 * plugin.c (flag_plugin_added): New global flag.
1163 (add_new_plugin): Initialize above flag.
1164 (invoke_plugin_callbacks): Rename to ...
1165 (invoke_plugin_callbacks_full): ... this.
1167 2010-04-28 Jan Hubicka <jh@suse.cz>
1169 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1170 (lto_varpool_replace_node): New.
1171 (lto_symtab_resolve_symbols): Resolve varpool nodes.
1172 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1173 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1174 * cgraph.h (varpool_node_ptr): New type.
1175 (varpool_node_ptr): New vector.
1176 (varpool_node_set_def): New structure.
1177 (varpool_node_set): New type.
1178 (varpool_node_set): New vector.
1179 (varpool_node_set_element_def): New structure.
1180 (varpool_node_set_element, const_varpool_node_set_element): New types.
1181 (varpool_node_set_iterator): New type.
1182 (varpool_node): Add prev pointers, add used_from_other_partition,
1184 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1185 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1186 varpool_get_node, varpool_remove_node): Declare.
1187 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1188 varpool_node_set_size): New inlines.
1189 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1190 * tree-pass.h (varpool_node_set_def): Forward declare.
1191 (ipa_opt_pass_d): Summary writting takes vnode sets too.
1192 (ipa_write_optimization_summaries): Update prototype.
1193 * ipa-cp.c (ipcp_write_summary): Update.
1194 * ipa-reference.c (ipa_reference_write_summary): Update.
1195 * lto-cgraph.c (lto_output_varpool_node): New static function.
1196 (output_varpool): New function.
1197 (input_varpool_node): New static function.
1198 (input_varpool_1): New function.
1199 (input_cgraph): Input varpool.
1200 * ipa-pure-const.c (pure_const_write_summary): Update.
1201 * lto-streamer-out.c (lto_output): Update, output varpool too.
1202 (write_global_stream): Kill WPA hack.
1203 (produce_asm_for_decls): Update.
1204 (output_alias_pair_p): Handle variables.
1205 (output_unreferenced_globals): Output only needed partition of varpool.
1206 * ipa-inline.c (inline_write_summary): Update.
1207 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1209 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1210 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1211 varpool_node_set_new, varpool_node_set_add,
1212 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1213 debug_varpool_node_set): New functions.
1214 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1215 (execute_one_pass): Process new decls too.
1216 (ipa_write_summaries_2): Pass around vsets.
1217 (ipa_write_summaries_1): Likewise.
1218 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1220 (ipa_write_optimization_summaries_1): Pass around vsets.
1221 (ipa_write_optimization_summaries): Likewise.
1222 * varpool.c (varpool_get_node): New.
1223 (varpool_node): Update doubly linked lists.
1224 (varpool_remove_node): New.
1225 (dump_varpool_node): More dumping.
1226 (varpool_enqueue_needed_node): Update doubly linked lists.
1227 (decide_is_variable_needed): Kill ltrans hack.
1228 (varpool_finalize_decl): Kill lto hack.
1229 (varpool_assemble_decl): Skip decls in other partitions.
1230 (varpool_assemble_pending_decls): Update doubly linkes lists.
1231 (varpool_empty_needed_queue): Likewise.
1232 (varpool_extra_name_alias): Likewise.
1233 * lto-streamer.c (lto_get_section_name): Add vars section.
1234 * lto-streamer.h (lto_section_type): Update.
1235 (output_varpool, input_varpool): Declare.
1237 2010-04-28 Mike Stump <mikestump@comcast.net>
1239 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1241 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1243 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1244 record or union type with RECORD_OR_UNION_TYPE_P predicate.
1245 (lto_input_ts_type_tree_pointers): Likewise.
1246 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1247 (lto_output_ts_type_tree_pointers): Likewise.
1249 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1251 Uniquization of constants at the Tree level
1252 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1253 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1255 (tree_output_constant_def): Declare.
1256 * gimplify.c (gimplify_init_constructor): When using block copy, first
1257 uniquize the constant constructor on the RHS.
1258 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1259 DECL_IN_CONSTANT_POOL flag.
1260 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1261 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1263 (assemble_variable): Deal with symbols belonging to the tree constant
1265 (get_constant_section): Add ALIGN parameter and simplify.
1266 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1267 (assemble_constant_contents): Use the expression of the VAR_DECL.
1268 (output_constant_def_contents): Use the alignment of the VAR_DECL.
1269 (tree_output_constant_def): New global function.
1270 (mark_constant): Use the expression of the VAR_DECL.
1271 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1273 (output_object_block): Likewise and assemble the expression.
1275 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1277 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1278 hash_tree, eq_tree): New tree hash table.
1279 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1280 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1281 lto_orig_address_remove): Reimplement.
1283 2010-04-28 Xinliang David Li <davidxl@google.com>
1286 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1287 (compute_uninit_opnds_pos): New function.
1288 (is_non_loop_exit_postdominating): New function.
1289 (compute_control_dep_chain): New function.
1290 (find_pdom): New function.
1291 (convert_control_dep_chain_into_preds): New function.
1292 (find_predicates): New function.
1293 (find_control_equiv_block): New function.
1294 (collect_phi_def_edges): New function.
1295 (find_def_preds): New function.
1296 (find_dom): New function.
1297 (dump_predicates): New function.
1298 (get_cmp_code): New function.
1299 (is_value_included_in): New function.
1300 (find_matching_predicate_in_rest_chains): New function.
1301 (use_pred_not_overlap_with_undef_path_pred): New function.
1302 (is_use_properly_guarded): New function.
1303 (normalize_cond_1): New function.
1304 (is_and_or_or): New function.
1305 (normalize_cond): New function.
1306 (is_gcond_subset_of): New function.
1307 (is_subset_of_any): New function.
1308 (is_or_set_subset_of): New function.
1309 (is_and_set_subset_of): New function.
1310 (is_norm_cond_subset_of): New function.
1311 (is_pred_expr_subset_of): New function.
1312 (is_pred_chain_subset_of): New function.
1313 (is_included_in): New function.
1314 (is_superset_of): New function.
1315 (find_uninit_use): New function.
1316 (warn_uninitialized_phi): New function.
1317 (compute_possibly_undefined_names): New function.
1318 (ssa_undefined_value_p): New function.
1319 (execute_late_warn_uninitialized): New function.
1320 * tree-ssa.c (ssa_undefined_value_p): Removed.
1321 (warn_uninit): Changed to extern.
1322 (warn_uninitialized_phi): Removed.
1323 (warn_uninitialized_vars): Changed to extern.
1324 (execute_late_warn_uninitialized): Removed
1325 * tree-flow.h: Add new prototypes.
1326 * timevar.def: Add new time variable.
1327 * Makefile.in: Add new build file.
1329 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
1331 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1334 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1337 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1339 2010-04-28 Martin Jambor <mjambor@suse.cz>
1341 * cgraph.h (struct cgraph_node): New field indirect_calls.
1342 (struct cgraph_indirect_call_info): New type.
1343 (struct cgraph_edge): Removed field indirect_call. New fields
1344 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1345 (cgraph_create_indirect_edge): Declare.
1346 (cgraph_make_edge_direct): Likewise.
1347 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1348 * ipa-prop.h (struct ipa_param_call_note): Removed.
1349 (struct ipa_node_params): Removed field param_calls.
1350 (ipa_create_all_structures_for_iinln): Declare.
1351 * cgraph.c: Described indirect edges and uids in initial comment.
1352 (cgraph_add_edge_to_call_site_hash): New function.
1353 (cgraph_edge): Search also among the indirect edges, use
1354 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1355 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1356 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1358 (initialize_inline_failed): Assign a reason to indirect edges.
1359 (cgraph_create_edge_1): New function.
1360 (cgraph_create_edge): Moved some functionality to
1361 cgraph_create_edge_1.
1362 (cgraph_create_indirect_edge): New function.
1363 (cgraph_edge_remove_callee): Add an assert checking for
1365 (cgraph_edge_remove_caller): Special-case indirect edges.
1366 (cgraph_remove_edge): Likewise.
1367 (cgraph_set_edge_callee): New function.
1368 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1369 (cgraph_make_edge_direct): New function.
1370 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1371 the declaration of the call statement matches.
1372 (cgraph_node_remove_callees): Special-case indirect edges.
1373 (cgraph_clone_edge): Likewise.
1374 (cgraph_clone_node): Clone also the indirect edges.
1375 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1376 indirect_call, dump count of indirect_calls edges.
1377 * ipa-prop.c (iinlining_processed_edges): New variable.
1378 (ipa_note_param_call): Create indirect edges instead of
1379 creating notes. New parameter node.
1380 (ipa_analyze_call_uses): New parameter node, pass it on to
1381 ipa_note_param_call.
1382 (ipa_analyze_stmt_uses): Likewise.
1383 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1384 (print_edge_addition_message): Work on edges rather than on notes.
1385 (update_call_notes_after_inlining): Likewise, renamed to
1386 update_indirect_edges_after_inlining.
1387 (ipa_create_all_structures_for_iinln): New function.
1388 (ipa_free_node_params_substructures): Do not free notes.
1389 (ipa_edge_duplication_hook): Propagate bits within
1390 iinlining_processed_edges bitmap.
1391 (ipa_node_duplication_hook): Do not duplicate notes.
1392 (free_all_ipa_structures_after_ipa_cp): Renamed to
1393 ipa_free_all_structures_after_ipa_cp.
1394 (free_all_ipa_structures_after_iinln): Renamed to
1395 ipa_free_all_structures_after_iinln.g
1396 (ipa_write_param_call_note): Removed.
1397 (ipa_read_param_call_note): Removed.
1398 (ipa_write_indirect_edge_info): New function.
1399 (ipa_read_indirect_edge_info): Likewise.
1400 (ipa_write_node_info): Do not stream notes, do stream information
1402 (ipa_read_node_info): Likewise.
1403 (lto_ipa_fixup_call_notes): Removed.
1404 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1405 * ipa-inline.c (pass_ipa_inline): Likewise.
1406 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1407 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1408 * tree-inline.c (copy_bb): Removed an unnecessary double check for
1410 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1412 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1413 (output_cgraph): Stream also indirect edges.
1414 (lto_output_edge): Added capability to stream indirect edges.
1415 (input_edge): Likewise.
1416 (input_cgraph_1): Likewise.
1417 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1420 2010-04-28 Richard Guenther <rguenther@suse.de>
1422 PR tree-optimization/43879
1423 PR tree-optimization/43909
1424 * tree-ssa-structalias.c (struct variable_info): Add
1425 only_restrict_pointers flag.
1426 (new_var_info): Initialize it. Increment stats.total_vars here.
1427 (create_function_info_for): Do not increment stats.total_vars
1429 (get_function_part_constraint): Fix build with C++.
1430 (insert_into_field_list): Remove.
1431 (push_fields_onto_fieldstack): Properly merge fields.
1432 (create_variable_info_for): Split and simplify.
1433 (create_variable_info_for_1): New piece.
1434 (intra_create_variable_infos): Properly make restrict constraints
1437 2010-04-28 Richard Guenther <rguenther@suse.de>
1440 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1442 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
1443 Jan Hubicka <hubicka@ucw.cz>
1445 * doc/invoke.texi (-Wsuggest-attribute=const,
1446 -Wsuggest-attribute=pure): Document.
1447 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1448 (function_always_visible_to_compiler_p,
1449 suggest_attribute, warn_function_pure, warn_function_const):
1451 (check_call): Improve debug info.
1452 (analyze_function): Do not check availability.
1453 (add_new_function): Check availability.
1454 (propagate): Output warnings.
1455 (skip_function_for_local_pure_const): New function.
1456 (local_pure_const): Use it; output warnings.
1457 * common.opt (Wsuggest-attribute=const,
1458 Wsuggest-attribute=pure): New.
1460 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1462 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1463 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1464 or DW_CFA_def_cfa_offset{,_sf}.
1466 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1468 * tree.h: Fix truncated long macros.
1470 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
1472 * collect2.c (TARGET_64BIT): Redefine to target's default.
1473 * tlink.c: Likewise.
1474 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1475 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1476 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1477 for underscoring __USER_LABEL_PREFIX__.
1478 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1479 (SUB_LINK_ENTRY32): New.
1480 (SUB_LINK_ENTRY64): New.
1481 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1482 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1483 (SUB_LINK_ENTRY64): New.
1484 (SUB_LINK_ENTRY): New.
1485 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1486 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1487 x64 target is choosen.
1488 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1489 * configure: Regenerated.
1490 * configure.ac (leading-mingw64-underscores): Option added.
1492 2010-04-27 Jan Hubicka <jh@suse.cz>
1494 * doc/invoke.texi (-fipa-profile): Document.
1495 * opts.c (decode_options): Enable ipa-profile at -O1.
1496 * timevar.def (TV_IPA_PROFILE): Define.
1497 * common.opt (fipa-profile): Add.
1498 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1500 (cgraph_propagate_frequency): Handle only local ones.
1501 * tree-pass.h (pass_ipa_profile): Declare.
1502 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1503 (pass_ipa_profile): Use TV_IPA_PROFILE.
1504 * ipa.c (ipa_profile): New function.
1505 (gate_ipa_profile): Likewise.
1506 (pass_ipa_profile): New global variable.
1507 * passes.c (pass_ipa_profile): New.
1509 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
1511 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1513 2010-04-27 Martin Jambor <mjambor@suse.cz>
1516 * ipa.c (dissolve_same_comdat_group_list): New function.
1517 (function_and_variable_visibility): Call
1518 dissolve_same_comdat_group_list when comdat group contains external or
1520 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1521 lists are circular and that they contain only DECL_ONE_ONLY nodes.
1523 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1525 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1526 (const_hash_1) <VECTOR_CST>: New case.
1527 (compare_constant) <VECTOR_CST>: Likewise.
1528 <ADDR_EXPR>: Deal with LABEL_REFs.
1529 (copy_constant) <VECTOR_CST>: New case.
1531 2010-04-27 Jan Hubicka <jh@suse.cz>
1533 * cgraph.c (cgraph_propagate_frequency): New function.
1534 * cgraph.h (cgraph_propagate_frequency): Declare.
1535 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1536 cgraph_propagate_frequency.
1538 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1540 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1542 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
1545 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1546 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1547 here to determine which regs to push and how much stack to reserve.
1549 2010-04-27 Jie Zhang <jie@codesourcery.com>
1551 * doc/gimple.texi (gimple_statement_with_ops): Remove
1552 addresses_taken field.
1553 (gimple_statement_with_memory_ops): Likewise.
1555 2010-04-27 Jan Hubicka <jh@suse.cz>
1557 * tree-inline.c (eni_inlining_weights): Remove.
1558 (estimate_num_insns): Special case more builtins.
1560 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
1563 * c-typeck.c (build_binary_op): Move forward check for comparison
1564 pointer with null pointer constant and adjust the diagnostic message.
1566 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
1569 * configure.ac (gcc_cv_as_section_has_align): Set if installed
1570 binutils supports extended .section directive needed by LTO, or
1571 warn if older binutils found.
1572 (LTO_BINARY_READER): New AC_SUBST'd variable.
1573 (LTO_USE_LIBELF): Likewise.
1574 * gcc/config.gcc (lto_binary_reader): New target-specific configure
1576 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1577 (LTO_USE_LIBELF): Likewise.
1578 * configure: Regenerate.
1580 * collect2.c (is_elf): Rename from this ...
1581 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1582 object files in addition to ELF-formatted ones.
1583 (scan_prog_file): Caller updated. Also allow for LTO info marker
1584 symbol to be prefixed or not by an extra underscore.
1586 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1587 * config/i386/winnt.c: Also #include lto-streamer.h
1588 (i386_pe_asm_named_section): Specify 1-byte section alignment for
1590 (i386_pe_asm_output_aligned_decl_common): Add comment.
1591 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1593 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
1596 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1597 Add missing earlyclobber for second alternative.
1599 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
1601 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1602 bits for artificial defs at the top of the block.
1603 * fwprop.c (single_def_use_enter_block): Don't call it.
1605 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
1608 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1609 instead of "$gcc_cv_objdump -T".
1610 Use "-undefined dynamic_lookup" on darwin.
1611 * gcc/configure: Regenerate.
1613 2010-04-26 Jakub Jelinek <jakub@redhat.com>
1616 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1618 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1620 * c-parser.c (struct c_token): Move location field up.
1621 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1622 (struct c_declspecs): Convert typespec_word, storage_class, and
1623 default_int_p into bitfields.
1624 (struct c_declarator): Move loc field up.
1626 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1628 * cfgloop.h (struct loop): Move can_be_parallel field up.
1629 * ipa-prop.h (struct ip_node_params): Move bitfields up.
1630 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1632 (struct iv_cand): Convert pos field into a bitfield.
1633 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1635 (struct _stmt_vec_info): Shuffle fields for better packing.
1637 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1639 * varasm.c (IN_NAMED_SECTION): Remove guard.
1640 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1641 (IN_NAMED_SECTION_P): ...this.
1642 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1643 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1645 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1647 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1648 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
1649 of shadowing it. Fix comments.
1651 2010-04-26 Jan Hubicka <jh@suse.cz>
1653 * cgraph.c (cgraph_create_node): Set node frequency to normal.
1654 (cgraph_clone_node): Copy function frequency.
1655 * cgraph.h (node_frequency): New enum
1656 (struct cgraph_node): Add.
1657 * final.c (rest_of_clean_state): Update.
1658 * lto-cgraph.c (lto_output_node): Output node frequency.
1659 (input_overwrite_node): Input node frequency.
1660 * tre-ssa-loop-ivopts (computation_cost): Update.
1661 * lto-streamer-out.c (output_function): Do not output function
1663 * predict.c (maybe_hot_frequency_p): Update and handle functions
1665 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1667 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1668 (compute_function_frequency): Set noreturn functions to be executed
1670 (choose_function_section): Update.
1671 * lto-streamer-in.c (input_function): Do not input function frequency.
1672 * function.c (allocate_struct_function): Do not initialize function
1674 * function.h (function_frequency): Remove.
1675 (struct function): Remove function frequency.
1676 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1677 (try_update): Update.
1678 * tree-inline.c (initialize_cfun): Do not update function frequency.
1679 * passes.c (pass_init_dump_file): Update.
1680 * i386.c (ix86_compute_frame_layout): Update.
1681 (ix86_pad_returns): Update.
1683 2010-04-26 Jie Zhang <jie@codesourcery.com>
1685 PR tree-optimization/43833
1686 * tree-vrp.c (range_int_cst_p): New.
1687 (range_int_cst_singleton_p): New.
1688 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1689 when both operands are constants. Use range_int_cst_p in
1692 2010-04-26 Jan Hubicka <jh@suse.cz>
1694 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1696 2010-04-26 Richard Guenther <rguenther@suse.de>
1699 * gimple.c (gimple_decl_printable_name): Deal gracefully
1700 with a NULL DECL_NAME.
1702 2010-04-26 Richard Guenther <rguenther@suse.de>
1705 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1706 if emitting debug information and it is either a function
1707 or a namespace decl.
1709 2010-04-26 Ira Rosen <irar@il.ibm.com>
1711 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1712 determine if the statement is vectorizable, and a macro to access it.
1713 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1714 Skip statements that can't be vectorized. If the analysis fails,
1715 mark the statement as unvectorizable if vectorizing basic block.
1716 (vect_compute_data_refs_alignment): Likewise.
1717 (vect_verify_datarefs_alignment): Skip statements marked as
1718 unvectorizable. Add print.
1719 (vect_analyze_group_access): Skip statements that can't be
1720 vectorized. If the analysis fails, mark the statement as
1721 unvectorizable if vectorizing basic block.
1722 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1723 * tree-vect-stmts.c (vectorizable_store): Fix the number of
1724 generated stmts for SLP.
1725 (new_stmt_vec_info): Initialize the new field.
1726 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1727 statements marked as unvectorizable.
1729 2010-04-25 Joseph Myers <joseph@codesourcery.com>
1731 * c-common.c (flag_isoc1x): New.
1732 (flag_isoc99): Update comment.
1733 * c-common.h (flag_isoc1x): New.
1734 (flag_isoc99): Update comment.
1735 * c-cppbuiltin.c (builtin_define_float_constants): Also define
1736 __<type>_DECIMAL_DIG__.
1737 * c-opts.c (set_std_c1x): New.
1738 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1739 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1740 * c.opt (-std=c1x, -std=gnu1x): New options.
1741 * doc/cpp.texi: Mention -std=c1x.
1742 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1743 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1744 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1745 * doc/standards.texi: Mention C1X.
1746 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1747 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1748 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1751 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
1753 * config/i386/gmon-sol2.c (_mcleanup): Change format string
1754 placeholder from 0x%x to %#x.
1755 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1756 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1757 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1758 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1759 * config/i386/i386.c (ix86_target_string): Ditto.
1760 (output_pic_addr_const): Ditto.
1761 (print_operand): Ditto.
1763 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
1765 * combine.c (find_split_point): Add third argument. Use it
1766 to find nested multiply-accumulate instructions. Adjust calls.
1767 (try_combine): Adjust call to find_split_point.
1769 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
1771 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1773 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
1775 PR tree-optimization/41442
1776 * fold-const.c (merge_truthop_with_opposite_arm): New function.
1777 (fold_binary_loc): Call it.
1779 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1781 * toplev.c (general_init): Set default for fdiagnostics-show-option.
1782 * opts.c (common_handle_option): Allow disabling it.
1783 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1785 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
1787 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1788 between modes if both types are integral.
1790 2010-04-23 Richard Guenther <rguenther@suse.de>
1792 PR tree-optimization/43572
1793 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1795 2010-04-23 Richard Guenther <rguenther@suse.de>
1798 * tree-inline.c (tree_can_inline_p): Also check compatibility
1801 2010-04-23 Martin Jambor <mjambor@suse.cz>
1803 PR tree-optimization/43846
1804 * tree-sra.c (struct access): New flag grp_assignment_read.
1805 (build_accesses_from_assign): Set grp_assignment_read.
1806 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1807 (enum mark_read_status): New type.
1808 (analyze_access_subtree): Propagate grp_assignment_read, create
1809 accesses also if both direct_read and root->grp_assignment_read.
1811 2010-04-23 Martin Jambor <mjambor@suse.cz>
1814 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1815 function does not have type attributes.
1817 2010-04-23 Richard Guenther <rguenther@suse.de>
1820 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1823 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1825 * sese.h (create_if_region_on_edge): Remove.
1827 * sese.c (create_if_region_on_edge): Make static.
1829 * tree-inline.c: Do not include ggc.h.
1831 * expr.c: Do not include ggc.h.
1833 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1836 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
1839 * config/sh/sh.c (find_barrier): Don't emit a constant pool
1840 in the middle of insns for casesi_worker_2.
1842 2010-04-22 David Edelsohn <edelsohn@gnu.org>
1844 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1846 2010-04-22 Ira Rosen <irar@il.ibm.com>
1848 PR tree-optimization/43842
1849 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1850 loop unrolling in update of exit phis. Fix comment.
1851 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1852 least two reduction statements in the loop before starting SLP
1855 2010-04-22 Nick Clifton <nickc@redhat.com>
1857 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1859 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
1861 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1864 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1866 * tree-parloops.c (loop_parallel_p): New argument
1867 parloop_obstack. Pass it down.
1868 (parallelize_loops): New variable parloop_obstack. Initialize it,
1869 pass it down, free it.
1871 * tree-loop-linear.c (linear_transform_loops): Pass down
1874 * tree-data-ref.h (lambda_compute_access_matrices): New argument
1875 of type struct obstack *.
1877 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1878 scratch_obstack. Initialize it, pass down, free it.
1880 * lambda.h (lambda_loop_new): Remove.
1881 (lambda_matrix_new, lambda_matrix_inverse)
1882 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1883 argument of type struct obstack *.
1885 * lambda-trans.c (lambda_trans_matrix_new): New argument
1886 lambda_obstack. Pass it down, use obstack allocation for ret.
1887 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
1890 * lambda-mat.c (lambda_matrix_get_column)
1891 (lambda_matrix_project_to_null): Remove.
1892 (lambda_matrix_new): New argument lambda_obstack. Use obstack
1894 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1897 * lambda-code.c (lambda_loop_new): New function.
1898 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1899 (lambda_compute_auxillary_space, lambda_compute_target_space)
1900 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1901 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1902 (build_access_matrix): New argument lambda_obstack. Use obstack
1904 (lambda_compute_step_signs, lambda_compute_access_matrices): New
1905 argument lambda_obstack. Pass it down.
1907 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1909 * optabs.h (expand_widening_mult): Declare.
1911 2010-04-22 Richard Guenther <rguenther@suse.de>
1913 PR tree-optimization/43845
1914 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1915 lookup the CALL_EXPR function and arguments.
1917 2010-04-22 Nick Clifton <nickc@redhat.com>
1919 * config/stormy16/stormy16.c
1920 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1921 * config/stormy16/stormy16.h: Tidy up formatting.
1922 (DONT_USE_BUILTIN_SETJMP): Remove definition.
1923 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1924 (ineqbranchsi): Delete pattern.
1925 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1926 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1927 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1928 stormy16-lib2-ucmpsi2.c.
1930 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1932 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1933 df_simulate_find_noclobber_defs as appropriate. Keep track of an
1934 extra set merge_set_noclobber, and use it to relax the final test
1936 * df.h (df_simulate_find_noclobber_defs): Declare.
1937 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1939 (df_simulate_find_noclobber_defs): New function.
1941 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
1943 * config/i386/i386.md: Use {} around multi-line preparation statements.
1945 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1947 * c-tree.h (push_init_level, pop_init_level, set_init_index)
1948 (process_init_element): New argument of type struct obstack *.
1950 * c-typeck.c (push_init_level, pop_init_level, set_designator)
1951 (set_init_index, set_init_label, set_nonincremental_init)
1952 (set_nonincremental_init_from_string, find_init_member)
1953 (output_init_element, output_pending_init_elements)
1954 (process_init_element): New argument braced_init_obstack. Pass it
1956 (push_range_stack, add_pending_init): New argument
1957 braced_init_obstack. Use obstack allocation.
1959 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1960 braced_init_obstack. Pass it down.
1961 (c_parser_braced_init): New variables ret, braced_init_obstack.
1962 Initialize obstack, pass it down and finally free it.
1964 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1967 * tree-pass.h (pass_optimize_widening_mul): Declare.
1968 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1969 gate_optimize_widening_mul): New static functions.
1970 (pass_optimize_widening_mul): New.
1971 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1972 <case MULT_EXPR>: Remove support for widening multiplies.
1973 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1974 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1975 simplify_gen_unary rather than directly building extensions.
1976 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1978 * expmed.c (expand_widening_mult): New function.
1979 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1981 2010-04-21 Jan Hubicka <jh@suse.cz>
1983 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1984 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1985 * lto-wpa-fixup.c: Remove.
1986 * Makefile.in (lto-wpa-fixup.o): Remove.
1987 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1988 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1989 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1991 2010-04-21 Jan Hubicka <jh@suse.cz>
1993 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1994 add write_optimization_summary, read_optimization_summary.
1995 (ipa_write_summaries_of_cgraph_node_set): Remove.
1996 (ipa_write_optimization_summaries): Declare.
1997 (ipa_read_optimization_summaries): Declare.
1998 * ipa-cp.c (pass_ipa_cp): Update.
1999 * ipa-reference.c (pass_ipa_reference): Update.
2000 * ipa-pure-const.c (pass_ipa_pure_const): Update.
2001 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2003 * ipa-inline.c (pass_ipa_inline): Update.
2004 * ipa.c (pass_ipa_whole_program): Update.
2005 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2006 * passes.c (ipa_write_summaries_1): Do not test wpa.
2007 (ipa_write_optimization_summaries_1): New.
2008 (ipa_write_optimization_summaries): New.
2009 (ipa_read_summaries): Do not test ltrans.
2010 (ipa_read_optimization_summaries_1): New.
2011 (ipa_read_optimization_summaries): New.
2013 2010-04-21 Jan Hubicka <jh@suse.cz>
2015 * lto-cgraph.c (lto_output_node): Do not output comdat groups
2017 (output_cgraph): Do not arrange comdat groups for boundary nodes.
2019 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2022 * dwarf2out.c (add_name_and_src_coords_attributes): Add
2023 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2025 2010-04-21 Jan Hubicka <jh@suse.cz>
2027 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2029 2010-04-21 Jan Hubicka <jh@suse.cz>
2031 * varpool.c (decide_is_variable_needed): Variable is always needed
2034 2010-04-21 Jan Hubicka <jh@suse.cz>
2036 * opts.c (decode_options): Enable pure-const pass for whopr.
2038 2010-04-21 Jan Hubicka <jh@suse.cz>
2040 * cgraph.c (dump_cgraph_node): Dump also assembler name.
2041 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2043 (cgraph_decide_inlining): Do not expect callee to be removed in all
2046 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
2048 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2050 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
2052 * config/i386/i386.md (x86_shrd): Add athlon_decode and
2053 amdfam10_decode attributes.
2055 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2058 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2059 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2060 (lower_copyprivate_clauses): Use private var in outer
2061 context instead of original var. Make sure the types
2062 are correct for VLAs.
2064 2010-04-21 Richard Guenther <rguenther@suse.de>
2066 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2067 to non-pointer objects.
2069 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2071 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
2072 last chain entry if it starts with the still current label.
2073 (add_location_or_const_value_attribute): Check that
2074 loc_list->first->next is NULL instead of comparing ->first with ->last.
2075 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2076 to add_var_loc_to_decl.
2078 * dwarf2out.c (output_call_frame_info): For dw_cie_version
2079 >= 4 add also address size and segment size fields into CIE header.
2081 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2082 long as address size is the same as sizeof (void *) and
2084 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
2085 address size or segment size is unexpected, return DW_EH_PE_omit.
2086 (classify_object_over_fdes): If get_cie_encoding returned
2087 DW_EH_PE_omit, return -1.
2088 (init_object): If classify_object_over_fdes returned -1,
2089 pretend there were no FDEs at all.
2091 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
2093 * config/i386/i386.md (bswap<mode>2): Macroize expander from
2094 bswap{si,di}2 using SWI48 mode iterator.
2095 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2096 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
2097 set modrm attribute of bswap insn to 0 and remove length attribute.
2098 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2099 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
2100 set mode attribute to <MODE> and remove length attribute.
2102 2010-04-20 James E. Wilson <wilson@codesourcery.com>
2104 PR rtl-optimization/43520
2105 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2106 zero available registers.
2108 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2110 * builtins.c (fold_builtin_cproj): Fold more cases.
2112 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2114 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2115 (fold_builtin_1): Fold builtin cproj.
2116 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2117 Use ATTR_CONST_NOTHROW_LIST.
2119 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
2121 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2122 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
2123 ffsi2_no_cmove for !TARGET_CMOVE.
2124 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
2125 (ffssi2): Remove expander.
2126 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2128 (ctz<mode>2): Ditto from ctz{si,di}2.
2129 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2131 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2134 2010-04-20 Jakub Jelinek <jakub@redhat.com>
2136 * dwarf2out.c (AT_linkage_name): Define.
2137 (clone_as_declaration): Handle DW_AT_linkage_name.
2138 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2139 of DW_AT_MIPS_linkage_name.
2140 (move_linkage_attr): Likewise.
2141 (dwarf2out_finish): Likewise.
2143 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
2146 * fold-const.c (fold_comparison): New folding rule.
2148 2010-04-20 Anatoly Sokolov <aesok@post.ru>
2150 * double-int.h (double_int_setbit): Declare.
2151 * double-int.c (double_int_setbit): New function.
2152 * rtl.h (immed_double_int_const): Declare.
2153 * emit-rtl.c (immed_double_int_const): New function.
2154 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2155 and immed_double_int_const functions.
2156 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2157 expand_copysign_bit): (Ditto.).
2158 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2159 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2160 * dojump.c (prefer_and_bit_test): (Ditto.).
2161 * expr.c (convert_modes, reduce_to_bit_field_precision,
2162 const_vector_from_tree): (Ditto.).
2163 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2165 2010-04-20 Jan Hubicka <jh@suse.cz>
2167 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2168 (dump_cgraph_node): Dump new flags.
2169 * cgraph.h (struct cgraph_node): Add flags
2170 reachable_from_other_partition and in_other_partition.
2171 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2172 other partition can not be removed.
2173 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2174 the other partition must be output; silence sanity checking on
2175 leaking functions bodies from other paritition.
2176 * lto-cgraph.c (reachable_from_other_partition_p): New function.
2177 (lto_output_node): Output new flags; do not sanity check that inline
2178 clones are output; drop lto_forced_extern_inline_p code; do not mock
2179 visibility flags at partition boundaries.
2180 (add_node_to): New function.
2181 (output_cgraph): Use it to sort functions so masters appear before
2183 (input_overwrite_node): Input new flags.
2184 * passes.c (ipa_write_summaries): Do not call
2185 lto_new_extern_inline_states.
2186 * lto-section-out.c (forced_extern_inline,
2187 lto_new_extern_inline_states lto_delete_extern_inline_states,
2188 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2189 * lto-streamer.h (lto_new_extern_inline_states,
2190 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2191 lto_forced_extern_inline_p): Kill.
2193 2010-04-20 Richard Guenther <rguenther@suse.de>
2195 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2196 from vars that can have pointers.
2197 (process_constraint): Dump useless constraints.
2199 2010-04-20 Richard Guenther <rguenther@suse.de>
2201 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2202 (dump_sa_points_to_info): Remove asserts.
2203 (init_base_vars): nothing_id isn't an escape point nor does it
2206 2010-04-20 Jakub Jelinek <jakub@redhat.com>
2208 * tree.h (TYPE_REF_IS_RVALUE): Define.
2209 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2210 should_move_die_to_comdat, prune_unused_types_walk): Handle
2211 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2212 (modified_type_die, gen_reference_type_die): Emit
2213 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2214 if TYPE_REF_IS_RVALUE and -gdwarf-4.
2216 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2219 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2220 calls for -fpic -m31 if they have been sibcall optimized.
2222 2010-04-19 James E. Wilson <wilson@codesourcery.com>
2224 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2225 ar.lc fixed and call-used.
2227 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2229 2010-04-19 Jan Hubicka <jh@suse.cz>
2231 * opts.c (decode_options): Disable whpr incompatible passes.
2232 * lto/lto.c (lto_1_to_1_map): Skip clones.
2233 (read_cgraph_and_symbols): Do not mark everything as needed.
2234 (do_whole_program_analysis): Do map only after optimizing;
2235 set proper cgraph_state; use passmanager.
2237 2010-04-19 DJ Delorie <dj@redhat.com>
2239 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2240 POINTER_PLUS_EXPR and fix them.
2242 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
2244 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2245 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2246 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2247 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2248 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2249 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2250 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2251 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2252 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2253 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2254 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2256 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
2258 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2259 (check_cond_move_block): Likewise.
2260 (cond_move_process_if_block): Likewise.
2261 (noce_find_if_block): Improve formatting.
2262 (find_if_header): Pass 0 to memset and tweak conditions.
2263 (cond_exec_find_if_block): Fix long lines and tweak conditions.
2265 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2267 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2271 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2272 with non-local decl doesn't need chain.
2274 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
2276 * ira-color.c (allocno_reload_assign): Avoid accumulating
2277 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2279 2010-04-19 Martin Jambor <mjambor@suse.cz>
2281 * gimple.h (create_tmp_reg): Declare.
2282 * gimplify.c (create_tmp_reg): New function.
2283 (gimplify_return_expr): Use create_tmp_reg.
2284 (gimplify_omp_atomic): Likewise.
2285 (gimple_regimplify_operands): Likewise.
2286 * tree-dfa.c (make_rename_temp): Likewise.
2287 * tree-predcom.c (predcom_tmp_var): Likewise.
2288 (reassociate_to_the_same_stmt): Likewise.
2289 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2290 (get_replaced_param_substitute): Likewise.
2291 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2292 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2293 * tree-ssa-pre.c (get_representative_for): Likewise.
2294 (create_expression_by_pieces): Likewise.
2295 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2296 (create_tailcall_accumulator): Likewise.
2298 2010-04-19 Martin Jambor <mjambor@suse.cz>
2300 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2302 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2304 2010-04-19 Richard Guenther <rguenther@suse.de>
2306 PR tree-optimization/43796
2307 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2308 from SCEV in the lattice.
2309 (vrp_visit_phi_node): Dump change.
2311 2010-04-19 Richard Guenther <rguenther@suse.de>
2313 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2314 * configure: Re-generated.
2316 2010-04-19 Richard Guenther <rguenther@suse.de>
2318 PR tree-optimization/43783
2319 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2320 constant ARRAY_REF operands two and three if possible.
2322 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
2325 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2327 2010-04-19 Jie Zhang <jie@codesourcery.com>
2330 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2332 2010-04-19 Ira Rosen <irar@il.ibm.com>
2334 PR tree-optimization/37027
2335 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2336 and macro to access it.
2337 (vectorizable_reduction): Add argument.
2338 (vect_get_slp_defs): Likewise.
2339 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2340 statements for possible use in SLP.
2341 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2342 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2343 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2345 (vectorizable_reduction): Likewise.
2346 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2348 (vectorizable_type_demotion, vectorizable_type_promotion,
2349 vectorizable_store): Likewise.
2350 (vect_analyze_stmt): Update call to vectorizable_reduction.
2351 (vect_transform_stmt): Likewise.
2352 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2353 (vect_build_slp_tree): Fix indentation. Check that there are no loads
2354 from different interleaving chains in same node.
2355 (vect_slp_rearrange_stmts): New function.
2356 (vect_supported_load_permutation_p): Allow load permutations for
2357 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2358 inside SLP nodes if necessary.
2359 (vect_analyze_slp_instance): Handle reductions.
2360 (vect_analyze_slp): Try to build SLP instances originating from groups
2362 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2363 (vect_get_constant_vectors): Create initial vectors for reductions
2364 according to reduction code. Add new argument.
2365 (vect_get_slp_defs): Add new argument, pass it to
2366 vect_get_constant_vectors.
2367 (vect_schedule_slp_instance): Remove SLP tree root statements.
2369 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2371 * tree.h (ENUM_IS_SCOPED): Define.
2372 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2373 for ENUM_IS_SCOPED enums.
2375 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
2377 * fold-const.c (fold_comparison): Use ssizetype.
2378 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2379 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2380 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2381 * tree-object-size.c (compute_object_sizes): Use size_type_node.
2383 * tree.h (initialize_sizetypes): Remove parameter.
2384 (build_common_tree_nodes): Remove second parameter.
2385 * stor-layout.c (initialize_sizetypes): Remove parameter.
2386 Always create an unsigned type.
2387 (set_sizetype): Assert that the passed type is unsigned and simplify.
2388 * tree.c (build_common_tree_nodes): Remove second parameter.
2389 Adjust call to initialize_sizetypes.
2390 * c-decl.c (c_init_decl_processing): Remove second argument in call to
2391 build_common_tree_nodes.
2393 2010-04-18 Matthias Klose <doko@ubuntu.com>
2395 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2397 2010-04-18 Ira Rosen <irar@il.ibm.com>
2399 PR tree-optimization/43771
2400 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2401 load permutation doesn't have gaps.
2403 2010-04-18 Jan Hubicka <jh@suse.cz>
2405 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2406 (sse_prologue_save_insn expander): Use new pattern.
2407 (sse_prologue_save_insn1): New pattern and splitter.
2408 (sse_prologue_save_insn): Update to deal also with 64bit aligned
2410 * i386.c (setup_incoming_varargs_64): Do not compute jump
2412 (ix86_gimplify_va_arg): Update alignment needed.
2413 (ix86_local_alignment): Do not align all local arrays to 128bit.
2415 2010-04-17 Jan Hubicka <jh@suse.cz>
2417 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2419 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2421 * arm.md (negdi2): Remove redundant code to force values into a
2424 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2426 * arm/bpabi.S: Add EABI alignment attributes to objects.
2427 * arm/bpabi-v6m.S: Likewise.
2428 * arm/crti.asm: Likewise.
2429 * arm/crtn.asm: Likewise.
2430 * arm/lib1funcs.asm: Likewise.
2431 * arm/libunwind.S: Likewise.
2433 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2435 * arm-protos.h (tune_params): New structure.
2436 * arm.c (current_tune): New variable.
2437 (arm_constant_limit): Delete.
2438 (struct processors): Add pointer to the tune parameters.
2439 (arm_slowmul_tune): New tuning option.
2440 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2441 (all_cores): Adjust to pick up the tuning model.
2442 (arm_constant_limit): New function.
2443 (arm_override_options): Select the appropriate tuning model. Delete
2444 initialization of arm_const_limit.
2445 (arm_split_constant): Use the new constant-limit model.
2446 (arm_rtx_costs): Pick up the current tuning model.
2447 * arm.md (is_strongarm, is_xscale): Delete.
2448 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2449 for Xscale variant architectures.
2450 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2452 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2454 * config/arm/arm.c (arm_gen_constant): Remove unused variable
2456 (arm_rtx_costs_1): Remove unused variable extra_cost.
2457 (arm_unwind_emit_set): Use variable offset.
2458 (thumb1_output_casesi): Remove unused variable flags.
2460 2010-04-16 Jeff Law <law@redhat.com>
2462 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2463 needing assignment rather than doing a two-phase assignment. Remove
2464 unused variable 'm'.
2466 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2469 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2471 2010-04-16 Doug Kwan <dougkwan@google.com>
2473 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2474 (next_operand_entry_id): New static variable.
2475 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2476 (add_to_ops_vec): Assigned unique ID to operand entry.
2477 (struct oecount_s): New field ID.
2478 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2479 (undistribute_ops_list): Assign unique IDs to oecounts.
2480 (init_reassoc): reset next_operand_entry_id.
2482 2010-04-16 Doug Kwan <dougkwan@google.com>
2484 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2485 missing left parenthesis.
2487 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
2489 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2490 *btdi_rex64 using SWI48 mode iterator.
2491 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2492 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2493 *jcc_btdi_mask_rex64.
2495 2010-04-16 Anatoly Sokolov <aesok@post.ru>
2497 * double-int.h (tree_to_double_int): Convert to macro.
2498 * double-int.c (tree_to_double_int): Remove.
2500 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2503 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2504 with want_address 2 and in case a single element list might be
2505 possible, call it again with want_address 0.
2507 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2509 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2510 case 'W' print operands for HI mode.
2511 * config/h8300/h8300.h (Y0, Y2) : New constraints.
2512 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2513 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2514 * config/h8300/predicate.md (bit_register_indirect_operand): New.
2516 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2518 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2519 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2520 #xx:3 and #xx:4 mode.
2522 * config/h8300/h8300.md (inverted load with HImode dest): Add
2523 support for H8300SX.
2525 * config/h8300/predicate.md (bit_operand): Allow immediate values that
2526 satisfy 'U' constraint.
2528 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2530 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2531 * configure: Regenerate.
2532 * config.in: Regenerate.
2533 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2536 2010-04-16 Richard Guenther <rguenther@suse.de>
2538 * tree.h (struct tree_decl_minimal): Move pt_uid ...
2539 (struct tree_decl_common): ... here.
2540 (DECL_PT_UID): Adjust.
2541 (SET_DECL_PT_UID): Likewise.
2542 (DECL_PT_UID_SET_P): Likewise.
2544 2010-04-16 Richard Guenther <rguenther@suse.de>
2546 PR tree-optimization/43572
2547 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2548 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2549 * tree-flow.h (is_call_clobbered): Remove.
2550 * tree-flow-inline.h (is_call_clobbered): Likewise.
2551 * tree-dfa.c (dump_variable): Do not dump call clobber state.
2552 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2553 (execute_return_slot_opt): Adjust.
2554 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2555 check for call clobbered vars here.
2556 (find_tail_calls): Move tailcall verification to the
2559 2010-04-16 Diego Novillo <dnovillo@google.com>
2561 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2563 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2566 * config/arm/arm.md (cbranchqi4): New pattern.
2567 * config/arm/predicates.md (const0_operand,
2568 cbranchqi4_comparison_operator): New predicates.
2570 2010-04-16 Richard Guenther <rguenther@suse.de>
2572 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2573 (dump_gimple_stmt): Likewise.
2575 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2577 * recog.h (struct recog_data): New field is_operator.
2578 (struct insn_operand_data): New field is_operator.
2579 * recog.c (extract_insn): Set recog_data.is_operator.
2580 * genoutput.c (output_operand_data): Emit code to set the
2582 * reload.c (find_reloads): Use it rather than testing for an
2583 empty constraint string.
2586 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2587 If the previous insn is a cbranchsi4_insn with the same arguments,
2588 omit the compare instruction.
2590 * config/arm/arm.md (addsi3_cbranch): If destination is a high
2591 register, inputs must be low registers and we need a low register
2592 scratch. Handle alternative 2 like alternative 3.
2594 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2596 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2597 don't call get_addr on both. If one expression is a VALUE and
2598 the other a REG, check VALUE's locs if the REG isn't among them.
2600 2010-04-16 Christian Bruel <christian.bruel@st.com>
2602 * config/sh/sh.h (sh_frame_pointer_required): New function.
2603 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2604 (flag_omit_frame_pointer) Set.
2605 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2606 (rounded_frame_size): Adjust size with outgoing_args_size.
2607 (sh_set_return_address): Must return from stack pointer.
2608 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2609 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2610 (ACCUMULATE_OUTGOING_ARGS): Define.
2611 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2612 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2614 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2617 * config/sh/sh.c (sh_legitimize_reload_address): Use
2618 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2619 Remove a unneeded check for offset_base.
2621 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
2623 * configure: Regenerated.
2625 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2627 * config/s390/s390.c (s390_call_save_register_used): Switch back
2628 to HARD_REGNO_NREGS.
2630 2010-04-15 Richard Guenther <rguenther@suse.de>
2632 * alias.c (alias_set_subset_of): Handle alias-set zero
2635 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
2636 Julian Brown <julian@codesourcery.com>
2638 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2639 alternatives according to use of high and low regs.
2640 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2641 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2642 optimizing for size on Thumb-2.
2644 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
2646 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2648 2010-04-15 Richard Guenther <rguenther@suse.de>
2650 * tree-ssa-structalias.c (struct variable_info): Add
2652 (new_var_info): Initialize it.
2653 (dump_constraints): Support printing last added constraints.
2654 (debug_constraints): Adjust.
2655 (dump_constraint_graph): Likewise.
2656 (make_heapvar_for): Check for NULL cfun.
2657 (get_function_part_constraint): New function.
2658 (get_fi_for_callee): Likewise.
2659 (find_func_aliases): Properly implement IPA PTA constraints.
2660 (process_ipa_clobber): New function.
2661 (find_func_clobbers): Likewise.
2662 (insert_into_field_list_sorted): Remove.
2663 (create_function_info_for): Properly allocate vars for IPA mode.
2664 Do not use insert_into_field_list_sorted.
2665 (create_variable_info_for): Properly generate constraints for
2666 global vars in IPA mode.
2667 (dump_solution_for_var): Always dump the solution.
2668 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2669 (find_what_var_points_to): Adjust.
2670 (pt_solution_set): Change.
2671 (pt_solution_ior_into): New function.
2672 (pt_solution_empty_p): Export.
2673 (pt_solution_includes_global): Adjust.
2674 (pt_solution_includes_1): Likewise.
2675 (pt_solutions_intersect_1): Likewise.
2676 (dump_sa_points_to_info): Check some invariants.
2677 (solve_constraints): Move constraint dumping ...
2678 (compute_points_to_sets): ... here.
2679 (ipa_pta_execute): ... and here.
2680 (compute_may_aliases): Do not re-compute points-to info
2681 locally if IPA info is available.
2682 (ipa_escaped_pt): New global var.
2683 (ipa_pta_execute): Properly implement IPA PTA.
2684 * tree-into-ssa.c (dump_decl_set): Support dumping
2685 decls not in referenced-vars.
2686 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2687 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2688 (dump_points_to_solution): Likewise.
2689 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2690 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2691 (remap_gimple_stmt): Reset call clobber/use information if necessary.
2692 (copy_decl_to_var): Copy DECL_PT_UID.
2693 (copy_result_decl_to_var): Likewise.
2694 * tree.c (make_node_stat): Initialize DECL_PT_UID.
2695 (copy_node_stat): Copy it.
2696 * tree.h (DECL_PT_UID): New macro.
2697 (SET_DECL_PT_UID): Likewise.
2698 (DECL_PT_UID_SET_P): Likewise.
2699 (struct tree_decl_minimal): Add pt_uid member.
2700 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2701 (pt_solution_empty_p): Declare.
2702 (pt_solution_set): Adjust.
2703 (ipa_escaped_pt): Declare.
2704 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2705 * gimple-pretty-print.c (pp_points_to_solution): New function.
2706 (dump_gimple_call): Dump call clobber/use information.
2707 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2708 * tree-pass.h (TDF_ALIAS): New dump option.
2709 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2710 * doc/invoke.texi (-fipa-pta): Update documentation.
2712 2010-04-15 Richard Guenther <rguenther@suse.de>
2714 * Makefile.in (OBJS-common): Add gimple-fold.o.
2715 (gimple-fold.o): New rule.
2716 * tree.h (maybe_fold_offset_to_reference,
2717 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2719 * gimple.h: ... here.
2720 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2721 may_propagate_address_into_dereference): Move prototypes ...
2722 * gimple.h: ... here.
2723 * tree-ssa-ccp.c (get_symbol_constant_value,
2724 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2725 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2726 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2727 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2728 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2729 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2730 gimplify_and_update_call_from_tree): Move ...
2731 * gimple-fold.c: ... here. New file.
2732 (ccp_fold_builtin): Rename to ...
2733 (gimple_fold_builtin): ... this.
2734 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2736 2010-04-15 Richard Guenther <rguenther@suse.de>
2738 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2739 fit_double_type, force_fit_type_double, add_double_with_sign,
2740 neg_double, mul_double_with_sign, lshift_double, rshift_double,
2741 lrotate_double, rrotate_double, div_and_round_double): Move ...
2742 * double-int.c: ... here.
2743 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2744 add_double, neg_double, mul_double_with_sign, mul_double,
2745 lshift_double, rshift_double, lrotate_double, rrotate_double,
2746 div_and_round_double): Move prototypes ...
2747 * double-int.h: ... here.
2749 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
2752 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
2753 matching constraints to ensure inputs match the output.
2755 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2758 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2759 in an input-only operand.
2761 2010-04-15 Anatoly Sokolov <aesok@post.ru>
2763 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2764 (double_int_not, double_int_lshift, double_int_rshift): Declare.
2765 (double_int_negative_p): Convert to static inline function.
2766 * double-int.c (double_int_lshift, double_int_lshift): New functions.
2767 (double_int_negative_p): Remove.
2768 * tree.h (lshift_double, rshift_double):
2769 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2770 * fold-const.c (fold_convert_const_int_from_real,
2771 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2772 (lshift_double): Change type of arith argument to bool.
2773 (rshift_double): Change type of arith argument to bool. Correct
2775 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2777 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
2780 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2781 at the start and end of the then/else blocks, and omit them from the
2783 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
2784 argument; all callers changed. Pass zero to old_insns_match_p instead.
2785 (flow_find_head_matching_sequence): New function.
2786 (old_insns_match_p): Check REG_EH_REGION notes for calls.
2787 * basic-block.h (flow_find_cross_jump,
2788 flow_find_head_matching_sequence): Declare functions.
2790 2010-04-14 Jason Merrill <jason@redhat.com>
2793 * c-common.c (attribute_takes_identifier_p): New fn.
2794 * c-common.h: Declare it.
2796 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2798 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2800 (*udivmod<mode>4): Ditto.
2802 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2804 * config/i386/i386.md (maxmin_int): Rename code attribute from
2805 maxminiprefix and update all users.
2806 (maxmin_float): Ditto from maxminfprefix.
2807 (logic): Ditto from logicprefix.
2808 (absneg_mnemonic): Ditto from absnegprefix.
2809 * config/i386/mmx.md: Update all users of maxminiprefix,
2810 maxminfprefix and logicprefix for rename.
2811 * config/i386/sse.md: Ditto.
2812 * config/i386/sync.md (sync_<code><mode>): Update for
2815 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
2818 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2819 warnings converted to errors.
2821 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2823 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2824 used insn_type variable.
2825 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2826 to avoid set-but-not-used warning.
2828 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2830 * df-core.c (df_ref_debug): Change format string placeholder
2832 * dwarf2asm.c (dw2_asm_output_data_raw,
2833 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2834 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2835 * dwarf2out.c (output_cfi, output_cfi_directive,
2836 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2837 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2839 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2840 * print-rtl.c (print_rtx): Ditto.
2842 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2845 * builtins.c (expand_builtin_pow_root): New function to expand pow
2846 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2847 series of sqrt and cbrt calls under -ffast-math.
2848 (expand_builtin_pow): Call it.
2850 2010-04-14 Michael Matz <matz@suse.de>
2852 PR tree-optimization/42963
2853 * tree-cfg.c (touched_switch_bbs): New static variable.
2854 (group_case_labels_stmt): New function broken out from ...
2855 (group_case_labels): ... here, use the above.
2856 (start_recording_case_labels): Allocate touched_switch_bbs.
2857 (end_recording_case_labels): Deallocate it, call
2858 group_case_labels_stmt.
2859 (gimple_redirect_edge_and_branch): Remember index of affected BB.
2861 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2863 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2866 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2868 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2870 2010-04-13 Jan Hubicka <jh@suse.cz>
2872 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2873 of optimized out static functions.
2874 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2875 cost computation. Also sanity check for overflows.
2876 (update_caller_keys): Update cgraph_edge_badness call; properly
2877 update fibheap and sanity check that it is up to date.
2878 (add_new_edges_to_heap): Update cgraph_edge_badness.
2879 (cgraph_decide_inlining_of_small_function): Likewise;
2880 add sanity checking that badness in heap is up to date;
2881 improve dumping of reason; Update badness of calls to the
2882 offline copy of function currently inlined; dump badness
2883 of functions not inlined because of unit growth limits.
2885 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2888 * c-common.c (pointer_int_sum): Disregard overflow that occured only
2889 because of sign-extension change when converting to sizetype here...
2890 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2892 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2893 the folding to constants. Remove redundant final conversion.
2894 (fold_binary) <associate>: Do not associate if the re-association of
2895 constants alone overflows.
2896 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2897 to the end of the list.
2898 (multiple_of_p) <COND_EXPR>: New case.
2900 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
2902 * opt-functions.awk (opt_sanitized_name): New.
2904 * optc-gen.awk: Use it
2905 * opth-gen.awk: Use it.
2907 2010-04-13 Martin Jambor <mjambor@suse.cz>
2909 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2910 (sra_modify_assign): Delete stmts loading dead data even if racc has no
2911 children. Call replace_uses_with_default_def_ssa_name to handle
2914 2010-04-13 Michael Matz <matz@suse.de>
2917 * builtins.c (expand_builtin_interclass_mathfn): Also create
2918 a register if the predicate doesn't match.
2920 2010-04-13 Diego Novillo <dnovillo@google.com>
2922 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2923 * c-pch.c: Include timevar.h.
2924 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2925 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2926 * ggc-common.c: Include timevar.h.
2927 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2928 * timevar.def (TV_PCH_SAVE): Define.
2929 (TV_PCH_CPP_SAVE): Define.
2930 (TV_PCH_PTR_REALLOC): Define.
2931 (TV_PCH_PTR_SORT): Define.
2932 (TV_PCH_RESTORE): Define.
2933 (TV_PCH_CPP_RESTORE): Define.
2935 2010-04-13 Michael Matz <matz@suse.de>
2937 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2939 (can_reassociate_p): New function.
2940 (break_up_subtract_bb, reassociate_bb): Use it.
2942 2010-04-13 Richard Guenther <rguenther@suse.de>
2945 * builtins.c (c_readstr): Fix assert.
2947 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
2949 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2950 when generating cltd insn.
2952 (*ashl<mode>3_1): Remove special handling for register operand 2.
2953 (*ashlsi3_1_zext): Ditto.
2954 (*ashlhi3_1): Ditto.
2955 (*ashlhi3_1_lea): Ditto.
2956 (*ashlqi3_1): Ditto.
2957 (*ashlqi3_1_lea): Ditto.
2958 (*<shiftrt_insn><mode>3_1): Ditto.
2959 (*<shiftrt_insn>si3_1_zext): Ditto.
2960 (*<shiftrt_insn>qi3_1_slp): Ditto.
2961 (*<rotate_insn><mode>3_1): Ditto.
2962 (*<rotate_insn>si3_1_zext): Ditto.
2963 (*<rotate_insn>qi3_1_slp): Ditto.
2965 2010-04-13 Richard Guenther <rguenther@suse.de>
2967 * tree-ssa-structalias.c (callused_id): Remove.
2968 (call_stmt_vars): New.
2969 (get_call_vi): Likewise.
2970 (lookup_call_use_vi): Likewise.
2971 (lookup_call_clobber_vi): Likewise.
2972 (get_call_use_vi): Likewise.
2973 (get_call_clobber_vi): Likewise.
2974 (make_transitive_closure_constraints): Likewise.
2975 (handle_const_call): Adjust to do per-call call-used handling.
2976 (handle_pure_call): Likewise.
2977 (find_what_var_points_to): Remove general callused handling.
2978 (init_base_vars): Likewise.
2979 (init_alias_vars): Initialize call_stmt_vars.
2980 (compute_points_to_sets): Process call-used and call-clobbered
2981 vars for call statements.
2982 (delete_points_to_sets): Free call_stmt_vars.
2984 2010-04-13 Richard Guenther <rguenther@suse.de>
2986 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2987 Only add RW dependence for dependence distance zero.
2988 Adjust maximal vectorization factor according to dependences.
2989 Move alignment handling ...
2990 (vect_find_same_alignment_drs): ... here. New function.
2991 (vect_analyze_data_ref_dependences): Adjust.
2992 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2993 (vect_analyze_data_refs): Adjust minimal vectorization factor
2994 according to data references.
2995 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2996 dependences before determining the vectorization factor.
2997 Analyze alignment after determining the vectorization factor.
2998 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2999 dependences before alignment.
3000 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3002 (vect_analyze_data_refs): Likewise.
3003 (MAX_VECTORIZATION_FACTOR): New define.
3005 2010-04-13 Duncan Sands <baldrick@free.fr>
3007 * except.h (lang_eh_type_covers): Remove.
3008 * except.c (lang_eh_type_covers): Likewise.
3010 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3011 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3013 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3014 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3015 UNITS_PER_LONG where it is ABI relevant.
3016 (s390_return_addr_rtx): Likewise.
3017 (s390_back_chain_rtx): Likewise.
3018 (s390_frame_area): Likewise.
3019 (s390_frame_info): Likewise.
3020 (s390_initial_elimination_offset): Likewise.
3021 (save_gprs): Likewise.
3022 (s390_emit_prologue): Likewise.
3023 (s390_emit_epilogue): Likewise.
3024 (s390_function_arg_advance): Likewise.
3025 (s390_function_arg): Likewise.
3026 (s390_va_start): Likewise.
3027 (s390_gimplify_va_arg): Likewise.
3028 (s390_function_profiler): Likewise.
3029 (s390_optimize_prologue): Likewise.
3030 (s390_rtx_costs): Likewise.
3031 (s390_secondary_reload): Likewise.
3032 (s390_promote_function_mode): Likewise.
3033 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3034 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3035 registers available.
3036 (s390_unwind_word_mode): New function.
3037 (s390_function_value): Split 64 bit values into register pair if
3038 used as return value.
3039 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3040 function call parameters. Handle parallels.
3041 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3042 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3043 (DWARF_CIE_DATA_ALIGNMENT): New macro.
3044 (s390_expand_setmem): Remove unused variable src_addr.
3045 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3046 deal with 64 bit registers.
3047 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3048 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3049 (UNITS_PER_LONG): New macro.
3050 * libjava/include/s390-signal.h: Define extended ucontext
3051 structure containing the upper halfs of the 64 bit registers.
3053 2010-04-13 Simon Baldwin <simonb@google.com>
3055 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3057 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
3059 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3060 rvalue on the RHS if the LHS is of a non-renamable type.
3061 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3063 2010-04-13 Matthias Klose <doko@ubuntu.com>
3065 * gcc.c (cc1_options): Handle -iplugindir before processing
3066 the cc1 spec. Only add -iplugindir once.
3067 (cpp_unique_options): Add -iplugindir option if -fplugin* options
3069 * common.opt (iplugindir): Remove `Separate' property, initialize.
3070 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3072 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3073 (distclean): Remove plugin dir.
3074 * doc/invoke.texi: Document -iplugindir.
3076 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
3078 * doc/plugins.texi (Loading Plugins): Document short
3079 -fplugin=foo option.
3080 (Plugin API): Mention default_plugin_dir_name function.
3082 * gcc.c (find_file_spec_function): Add new declaration.
3083 (static_spec_func): Use it for "find-file".
3084 (find_file_spec_function): Add new function.
3085 (cc1_options): Add -iplugindir option if -fplugin* options found.
3087 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3089 * plugin.c (add_new_plugin): Updated comment, and handle short
3091 (default_plugin_dir_name): Added new function.
3093 * common.opt (iplugindir): New option to set the plugin directory.
3095 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
3097 * config/i386/i386.md (any_rotate): New code iterator.
3098 (rotate_insn): New code attribute.
3100 (SWIM124): New mode iterator.
3101 (<rotate_insn>ti3): New expander.
3102 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3103 any_rotate code iterator.
3104 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3105 using any_rotate code iterator and SWIM124 mode iterator.
3106 (ix86_rotlti3): New insn_and_split pattern.
3107 (ix86_rotrti3): Ditto.
3108 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3109 ix86_rotl{di,ti}3 patterns.
3110 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3111 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3112 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3113 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3114 code iterator and SWI mode iterator.
3115 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3116 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3118 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3119 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3120 (bswap rotatert splitter): Add splitter.
3121 (bswap splitter): Macroize splitter using any_rotate code iterator.
3122 Add insn predicate to split only for TARGET_USE_XCHGB or when
3123 optimizing function for size.
3125 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3127 * config/pa/pa.c (emit_move_sequence): Remove use of
3128 deleted variable flag_argument_noalias.
3130 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3132 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3134 Add to unsupported targets list.
3135 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3136 sparc*-sun-solaris2.[567]* from target lists.
3137 * configure: Regenerate.
3138 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3140 Remove Solaris 7 patch references.
3141 (Specific, sparc-sun-solaris2.7): Removed.
3142 (sparc-sun-solaris2*): Update Solaris 7 example.
3143 (sparc64-*-solaris2*): Likewise.
3145 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3147 * config.build (alpha*-dec-osf4*): Remove.
3148 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3149 of obsolete configurations.
3150 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3152 * config/alpha/t-osf4: Renamed to ...
3153 * config/alpha/t-osf5: ... this.
3154 * config/alpha/osf.h: Renamed to ...
3155 * config/alpha/osf5.h: ... this.
3156 Merged old osf5.h contents.
3158 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3159 (EXTRA_SPECS): Removed.
3160 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3161 reflect removal of Tru64 UNIX V4.0/V5.0 support.
3164 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3166 * doc/contrib.texi (Contributors, Rainer Orth): Update.
3168 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
3171 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3172 __thiscall convention.
3174 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3176 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3178 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3180 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3182 * function.c (assign_parms_initialize_all): Add unused attribute
3185 2010-04-12 Richard Guenther <rguenther@suse.de>
3187 * gsstruct.def (GSS_CALL): New.
3188 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3189 * gimple.h: Include tree-ssa-alias.h.
3190 (struct gimple_statement_call): New.
3191 (union gimple_statement_struct_d): Add gimple_call member.
3192 (gimple_call_reset_alias_info): Declare.
3193 (gimple_call_use_set): New function.
3194 (gimple_call_clobber_set): Likewise.
3195 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3196 * gimple.c (gimple_call_reset_alias_info): New function.
3197 (gimple_build_call_1): Call it.
3198 * lto-streamer-in.c (input_gimple_stmt): Likewise.
3199 * tree-inline.c (remap_gimple_stmt): Likewise.
3200 (expand_call_inline): Remove callused handling.
3201 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3202 * tree-dfa.c (dump_variable): Likewise.
3203 * tree-parloops.c (parallelize_loops): Likewise.
3204 * tree-ssa.c (init_tree_ssa): Likewise.
3205 (delete_tree_ssa): Likewise.
3206 * tree-flow-inline.h (is_call_used): Remove.
3207 * tree-flow.h (struct gimple_df): Remove callused member.
3208 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3209 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3210 (ref_maybe_used_by_call_p_1): Simplify.
3211 (call_may_clobber_ref_p_1): Likewise.
3212 * tree-ssa-structalias.c (compute_points_to_sets): Set
3213 the call stmt used and clobbered sets.
3214 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3215 (find_tail_calls): Verify the tail call.
3217 2010-04-12 Richard Guenther <rguenther@suse.de>
3219 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3220 single-iteration always-inline inlining.
3221 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3222 (cgraph_decide_inlining): Do not handle always-inline specially.
3223 (try_inline): Remove always-inline cycle detection special case.
3224 Do not recurse on always-inlines.
3225 (cgraph_early_inlining): Do not iterate if not optimizing.
3226 (cgraph_gate_early_inlining): remove.
3227 (pass_early_inline): Run unconditionally.
3228 (gate_cgraph_decide_inlining): New function.
3229 (pass_ipa_inline): Use it. Do not run the IPA inliner if
3230 not inlining or optimizing.
3231 (cgraph_decide_inlining_of_small_functions): Also consider
3232 always-inline functions.
3233 (cgraph_default_inline_p): Return true for nodes which should
3234 disregard inline limits.
3235 (estimate_function_body_sizes): Assume zero size and time for
3236 nodes which are marked as disregarding inline limits.
3237 (cgraph_decide_recursive_inlining): Do not perform recursive
3238 inlining on always-inline nodes.
3240 2010-04-12 Jakub Jelinek <jakub@redhat.com>
3243 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3244 for exprs satisfying handled_component_p.
3246 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
3248 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3249 non-constant aggregate elements.
3251 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3252 is a real initialization.
3254 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
3257 * c-decl.c (start_function): Move forward check for nested function.
3259 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
3261 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3262 * config/sh/sh.c: Include reload.h.
3263 (sh_legitimize_reload_address): New.
3264 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3265 sh_legitimize_reload_address.
3267 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
3269 * config/sh/sh.md (*movqi_pop): New insn pattern.
3270 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3272 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3274 * config/i386/i386.md (any_shiftrt): New code iterator.
3275 (shiftrt_insn): New code attribute.
3277 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3278 using any_shiftrt code iterator.
3279 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3280 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3281 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3282 pattern from corresponding peephole2 patterns.
3283 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3284 using any_shiftrt code iterator.
3285 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3286 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3287 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3288 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3289 *{ashr,lshr}<mode>3_cmp_zext.
3290 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3292 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3294 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3296 (*lshr<mode>3_cconly): Ditto.
3298 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3300 * config/i386/i386.md (lshr<mode>3): Macroize expander from
3301 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3302 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3303 pattern from *lshr{di,ti}3_1 and corresponding splitters using
3305 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3306 from corresponding peephole2 patterns.
3307 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3308 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3309 and *lshrdi3_1_rex64 using SWI mode iterator.
3310 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3311 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3312 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3313 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3314 and *lshrdi3_cmp_rex64 using SWI mode iterator.
3315 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3316 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3317 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3318 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3321 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
3323 * config/i386/i386.md (ashr<mode>3): Macroize expander from
3324 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3325 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3326 pattern from *ashr{di,ti}3_1 and corresponding splitters using
3328 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3329 from corresponding peephole2 patterns.
3330 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3331 (ashrsi3_cvt): Rename from ashrsi3_31.
3332 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3333 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3334 and x86_64_shift_adj_3 using SWI48 mode iterator.
3335 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3336 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3337 and *ashrdi3_1_rex64 using SWI mode iterator.
3338 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3339 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3340 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3341 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3342 and *ashrdi3_cmp_rex64 using SWI mode iterator.
3343 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3344 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3345 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3346 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3348 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3349 * config/i386/i386.c (ix86_split_ashr): Update for renamed
3350 x86_shift<mode>_adj_3 expanders.
3352 2010-04-10 Wei Guozhi <carrot@google.com>
3355 * config/arm/arm.c (arm_pic_static_addr): New function.
3356 (legitimize_pic_address): Call arm_pic_static_addr when it detects
3358 (arm_output_addr_const_extra): Output expression for new pattern.
3359 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3361 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
3363 * ira-costs.c (record_reg_classes): Ignore alternatives that are
3366 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3367 * web.c: Include "insn-config.h" and "recog.h".
3368 (union_match_dups): New function.
3369 (web_main): Call it.
3370 (union_defs): Don't try to recognize match_dups.
3372 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3373 if doing so would replace the entire pattern.
3375 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3379 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3380 and splitter pattern. Change splitter operand 1 predicate to
3383 2010-04-09 Martin Jambor <mjambor@suse.cz>
3385 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3386 lattices are addresses of CONST_DECLs with the same initial value.
3387 (ipcp_print_all_lattices): Print values of CONST_DECLs.
3388 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3390 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
3391 Bernd Schmidt <bernds@codesourcery.com>
3393 * loop-invariant.c (replace_uses): New static function.
3394 (move_invariant_reg): Use it to ensure we can replace the uses.
3396 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
3398 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3400 (picochip_override_options): Enable section anchors only above -O1.
3401 (picochip_reorg): Fixed a couple of build warnings.
3403 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3405 * configure.ac (plugin -rdynamic test): Log result.
3406 * configure: Regenerate.
3407 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3408 (RDYNAMIC_SPEC): Define.
3409 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3411 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3413 * configure.ac: Determine Sun ld version numbers.
3414 (comdat_group): Restrict GNU ld version checks to gld.
3415 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3416 (enable_comdat): Support --enable-comdat.
3417 * configure: Regenerate.
3418 * doc/install.texi (Configuration): Document --enable-comdat.
3420 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3422 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
3423 * config/sol2-gld.h: ... here.
3424 * config.gcc (sparc*-*-solaris2*): Reflect this.
3425 (i[34567]86-*-solaris2*): Use it.
3427 2010-04-09 Steve Ellcey <sje@cup.hp.com>
3429 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3431 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3433 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3436 * diagnostic.c (diagnostic_initialize): Initialize
3437 some_warnings_are_errors.
3438 (diagnostic_finish): New.
3439 (diagnostic_action_after_output): Call it before exiting.
3440 (diagnostic_report_diagnostic): Do not print message here. Set
3441 some_warnings_are_errors.
3442 * diagnostic.h (diagnostic_context): Delete
3443 issue_warnings_are_errors_message. Add some_warnings_are_errors.
3444 (diagnostic_finish): Declare.
3445 * toplev.c (toplev_main): Call it before exit.
3447 2010-04-09 Jason Merrill <jason@redhat.com>
3450 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3451 for incomplete type.
3454 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3455 based on a warning flag.
3457 2010-04-09 Richard Guenther <rguenther@suse.de>
3459 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3461 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
3464 * varasm.c (default_assemble_visibility): Wrap vars that are
3465 set, but unused, by targets without GAS.
3466 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3467 Remove set, but unused, vars.
3468 (rs6000_legitimize_tls_address): Likewise.
3469 (altivec_expand_dst_builtin): Likewise.
3470 * config/darwin.c (machopic_classify_symbol): Likewise.
3471 (machopic_indirection_name): Likewise.
3473 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3475 * config/i386/i386.md (DWI): New mode iterator.
3476 (S): New mode attribute.
3477 (shift_operand): Ditto.
3478 (shift_immediate_operand): Ditto.
3479 (ashl_input_operand): Ditto.
3480 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3481 using SDWIM mode iterator.
3482 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
3483 pattern from *ashl{di,ti}3_1 and corresponding splitters using
3485 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3486 from corresponding peephole2 patterns.
3487 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3488 and x86_64_shift_adj_1 using SWI48 mode iterator.
3489 (x86_shift<mode>_adj_2): Ditto.
3490 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3491 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3492 using SWI48 mode iterator.
3493 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3494 *ashldi3_cmp_rex64 using SWI mode iterator.
3495 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3496 *ashldi3_cconly_rex64 using SWI mode iterator.
3497 * config/i386/i386.c (ix86_split_ashl): Update for renamed
3498 x86_shift<mode>_adj_{1,2}.
3499 (ix86_split_ashr): Ditto.
3500 (ix86_split_lshr): Ditto.
3502 2010-04-09 Richard Guenther <rguenther@suse.de>
3504 * target.h (builtin_conversion): Pass in input and output types.
3505 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3506 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3507 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3508 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3510 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3512 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3514 2010-04-09 Richard Guenther <rguenther@suse.de>
3517 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3519 2010-04-09 Richard Guenther <rguenther@suse.de>
3521 * tree-vectorizer.h (struct _stmt_vec_info): Document
3522 that vectype is the type of the LHS.
3523 (supportable_widening_operation, supportable_narrowing_operation):
3524 Get both input and output vector types as arguments.
3525 (vect_is_simple_use_1): Declare.
3526 (get_same_sized_vectype): Likewise.
3527 * tree-vect-loop.c (vect_determine_vectorization_factor):
3528 Set STMT_VINFO_VECTYPE to the vector type of the def.
3529 (vectorizable_reduction): Adjust.
3530 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3531 Adjust. Specify the output vector type.
3532 (vect_pattern_recog_1): Adjust.
3533 * tree-vect-stmts.c (get_same_sized_vectype): New function.
3534 (vectorizable_call): Adjust.
3535 (vectorizable_conversion): Likewise.
3536 (vectorizable_operation): Likewise.
3537 (vectorizable_type_demotion): Likewise.
3538 (vectorizable_type_promotion): Likewise.
3539 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3541 (vect_is_simple_use_1): New function.
3542 (supportable_widening_operation): Get both input and output
3544 (supportable_narrowing_operation): Likewise.
3545 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3547 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
3549 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3550 __thiscall and _thiscall as predefined macros.
3551 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3552 thiscall attribute handling.
3553 (ix86_comp_type_attributes): Likewise.
3554 (ix86_function_regparm): Likewise.
3555 (ix86_return_pops_args): Likewise.
3556 (init_cumulative_args): Likewise.
3557 (find_drap_reg): Likewise.
3558 (ix86_static_chain): Likewise.
3559 (x86_this_parameter): Likewise.
3560 (x86_output_mi_thunk): Likewise.
3561 (ix86_attribute_table): Add description for thiscall attribute.
3562 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3563 * doc/extend.texi: Add documentation for thiscall.
3565 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3568 * c.opt (Wint-to-pointer-cast): Available in C++.
3569 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3571 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
3573 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3574 * calls.c (expand_call): Pass the function type to aggregate_value_p.
3575 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3576 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
3577 function type instead. Reorder and simplify checks.
3579 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3581 2010-04-08 Jing Yu <jingyu@google.com>
3582 Zdenek Dvorak <ook@ucw.cz>
3584 PR tree-optimization/42720
3585 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3586 loop unswitch conditions here from ...
3587 (tree_unswitch_single_loop): ... here.
3589 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3591 * tree-if-conv.c: Fix comments and simplify logic.
3593 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3595 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3596 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
3597 (main_tree_if_conversion): Update call to tree_if_conversion.
3599 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
3602 * doc/invoke.texi (-b,-V): Delete.
3603 * doc/tm.texi: Do not mention -b.
3604 * gcc.c (display_help): Delete -b and -V.
3605 (process_command): Delete -b and -V.
3606 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3608 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
3609 Wolfgang Gellerich <gellerich@de.ibm.com>
3611 Implement target hook for loop unrolling
3612 * target.h (loop_unroll_adjust): Add a new target hook function.
3613 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3614 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3615 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3616 (s390_loop_unroll_adjust): Implement the new target hook for s390.
3617 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3619 (decide_unroll_stupid): Likewise.
3621 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3624 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3626 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3628 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3629 (Specific, *-*-solaris2*): Likewise.
3630 Don't prefer Sun as over GNU as.
3632 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
3634 * config/s390/s390.c (override_options): Adjust the z10
3635 defaults for max-unroll-times, max-completely-peeled-insns
3636 and max-completely-peel-times.
3638 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3640 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3641 instructions for z10.
3642 (s390_expand_setmem): Likewise.
3643 (s390_expand_cmpmem): Likewise.
3645 2010-04-08 Richard Guenther <rguenther@suse.de>
3647 PR tree-optimization/43679
3648 * tree-ssa-pre.c (eliminate): Only propagate copies.
3650 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3653 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3654 set but not used variable warning.
3656 2010-04-08 Wei Guozhi <carrot@google.com>
3659 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3660 (arm_size_rtx_costs): Call the new function when optimized for size.
3662 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3665 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3666 op0 is not a MEM, just return NULL instead of assertion
3668 (discover_nonconstant_array_refs): Don't walk debug stmts.
3670 2010-04-08 Doug Kwan <dougkwan@google.com>
3672 * configure.ac: Recognize gold and do not use its version number
3673 to test ld features.
3674 * configure: Regenerate.
3676 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
3679 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3680 (negate_value): Move code to push elements to broken_up_substracts ...
3681 (eliminate_plus_minus_pair): ... here. Push operands that have no
3682 negative pair to plus_negates.
3683 (repropagate_negates, init_reassoc, fini_reassoc): Update.
3685 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3687 * doc/install.texi (Configuration): Move description of
3688 --enable-lto, --with-libelf*, --enable-gold from Java section to
3691 * doc/generic.texi (Working with declarations)
3692 (Function Properties, C and C++ Trees): Fix typos.
3693 * doc/sourcebuild.texi (Top Level): Likewise.
3695 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3698 * tree.h (DECL_READ_P): Define.
3699 (struct tree_decl_common): Add decl_read_flag.
3700 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3701 a set but not used warning.
3702 (merge_decls): Merge DECL_READ_P flag.
3703 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3704 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3705 * c-common.c (handle_used_attribute, handle_unused_attribute):
3707 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3709 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3711 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3712 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3713 c_parser_binary_expression, c_parser_cast_expression,
3714 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3715 Call default_function_array_read_conversion instead of
3716 default_function_array_conversion where needed.
3717 (c_parser_unary_expression, c_parser_conditional_expression,
3718 c_parser_postfix_expression_after_primary, c_parser_initelt):
3719 Likewise. Call mark_exp_read where needed.
3720 (c_parser_statement_after_labels, c_parser_asm_operands,
3721 c_parser_typeof_specifier, c_parser_sizeof_expression,
3722 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3724 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3726 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3727 (warn_unused_but_set_parameter): Default to warn_unused
3729 * doc/invoke.texi: Document -Wunused-but-set-variable and
3730 -Wunused-but-set-parameter.
3732 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3733 used count variable.
3734 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3735 when operandN variables aren't used in the body of the expander
3737 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3738 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3739 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3740 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3741 FOR_EACH_IMM_USE_ON_STMT): Likewise.
3742 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3743 * tree.c (PROCESS_ARG): Likewise.
3745 2010-04-07 Simon Baldwin <simonb@google.com>
3747 * diagnostic.h (diagnostic_override_option_index): New macro to
3748 set a diagnostic's option_index.
3749 * c-tree.h (c_cpp_error): Add warning reason argument.
3750 * opts.c (_warning_as_error_callback): New.
3751 (register_warning_as_error_callback): Store callback for
3752 warnings enabled via enable_warning_as_error.
3753 (enable_warning_as_error): Call callback, minor code tidy.
3754 * opts.h (register_warning_as_error_callback): Declare.
3755 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3756 response to -Werror=.
3757 (c_common_init_options): Register warning_as_error_callback in opts.c.
3758 * common.opt: Add -Wno-cpp option.
3759 * c-common.c (struct reason_option_codes_t): Map cpp warning
3760 reason codes to gcc option indexes.
3761 * (c_option_controlling_cpp_error): New function, lookup the gcc
3762 option index for a cpp warning reason code.
3763 * (c_cpp_error): Add warning reason argument, call
3764 c_option_controlling_cpp_error for diagnostic_override_option_index.
3765 * doc/invoke.texi: Document -Wno-cpp.
3767 2010-04-07 Richard Guenther <rguenther@suse.de>
3769 * ipa-reference.c (mark_load): Use get_base_address.
3770 (mark_store): Likewise.
3772 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3773 inserting GIMPLE_NOPs into the IL.
3774 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3775 Explicitly strip handled components and indirect references.
3777 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3778 folding address expressions.
3779 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3780 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3781 operand_equal_p to compare decls.
3782 (ptr_deref_may_alias_decl_p): Likewise.
3783 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3784 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3785 Handle reversed comparison ops.
3786 * tree-sra.c (asm_visit_addr): Use get_base_address.
3787 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3788 * ipa-reference.c (mark_address): Use get_base_address.
3790 2010-04-07 Richard Guenther <rguenther@suse.de>
3792 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3793 Propagate constants everywhere.
3795 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3798 * tree.c (MAX_INT_CACHED_PREC): Define.
3799 (nonstandard_integer_type_cache): New array.
3800 (build_nonstandard_integer_type): Cache results for precision
3801 <= MAX_INT_CACHED_PREC.
3803 2010-04-07 Richard Guenther <rguenther@suse.de>
3805 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3806 -fargument-noalias-global, -fargument-noalias-anything): Remove.
3807 * common.opt: Likewise.
3808 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3809 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3810 (nonoverlapping_memrefs_p): Likewise.
3811 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3812 * opts.c (common_handle_option): Handle OPT_fargument_alias,
3813 OPT_fargument_noalias, OPT_fargument_noalias_anything and
3814 OPT_fargument_noalias_global for backward compatibility.
3816 2010-04-07 Richard Guenther <rguenther@suse.de>
3818 PR tree-optimization/43270
3819 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3820 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3821 * tree-ssa-pre.c (phi_translate_1): Adjust.
3822 (fully_constant_expression): Split out vn_reference handling to ...
3823 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3824 Fold reads from constant strings.
3825 (vn_reference_lookup): Handle fully constant references.
3826 (vn_reference_lookup_pieces): Likewise.
3827 * Makefile.in (expmed.o-warn): Add -Wno-error.
3829 2010-04-07 Martin Jambor <mjambor@suse.cz>
3831 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3833 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
3836 * gcc.c: Add -static-libstdc++ to list of recognized options.
3838 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3840 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3842 2010-04-07 Richard Guenther <rguenther@suse.de>
3845 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3846 bases build simple mem attributes to retain points-to information.
3848 2010-04-07 Richard Guenther <rguenther@suse.de>
3851 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3852 preserve points-to related information.
3854 2010-04-07 Richard Guenther <rguenther@suse.de>
3857 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3858 discard plain indirect references.
3859 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3860 * tree.c (tree_nop_conversion): Likewise.
3862 2010-04-07 Dodji Seketeli <dodji@redhat.com>
3865 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3867 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
3869 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3870 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3872 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3874 * tree-if-conv.c: Fix indentation and comments.
3876 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3878 * tree-if-conv.c: Sort static functions in topological order.
3880 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3882 * tree-if-conv.c: Fix indentation and comments.
3884 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3887 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3888 lang_hooks.types.type_for_size instead of
3889 build_nonstandard_integer_type.
3890 When converting an unsigned type to signed, double its precision.
3891 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3892 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3893 (graphite_create_new_loop_guard): When ub + 1 wraps around,
3896 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3899 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3900 POINTER_PLUS_EXPR for pointer types.
3902 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3905 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3906 * graphite-clast-to-gimple.c: Include langhooks.h.
3907 (max_signed_precision_type): New.
3908 (max_precision_type): Takes two types as arguments.
3909 (precision_for_value): New.
3910 (precision_for_interval): New.
3911 (gcc_type_for_interval): New.
3912 (gcc_type_for_value): New.
3913 (gcc_type_for_clast_term): New.
3914 (gcc_type_for_clast_red): New.
3915 (gcc_type_for_clast_bin): New.
3916 (gcc_type_for_clast_expr): Split up into several functions.
3917 (gcc_type_for_clast_eq): Rewritten.
3918 (compute_bounds_for_level): New.
3919 (compute_type_for_level_1): New.
3920 (compute_type_for_level): New.
3921 (gcc_type_for_cloog_iv): Removed.
3922 (gcc_type_for_iv_of_clast_loop): Rewritten.
3923 (graphite_create_new_loop): Compute the lower and upper bound types
3924 with gcc_type_for_clast_expr.
3925 (graphite_create_new_loop_guard): Same.
3926 (find_cloog_iv_in_expr): Removed.
3927 (compute_cloog_iv_types_1): Removed.
3928 (compute_cloog_iv_types): Removed.
3929 (gloog): Do not call compute_cloog_iv_types.
3930 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3932 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3933 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3934 (GBB_CLOOG_IV_TYPES): Removed.
3936 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3938 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3939 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3940 (detect_commutative_reduction): Same.
3942 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3944 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3945 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
3947 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3948 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3949 (rewrite_commutative_reductions_out_of_ssa): Same.
3950 * passes.c (execute_function_todo): Call verify_ssa for every pass
3951 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
3952 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3953 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3954 with an extra argument.
3955 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
3956 verify_ssa only when the extra argument is true.
3957 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3958 with an extra argument.
3959 (tree_transform_and_unroll_loop): Same.
3961 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3963 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3964 for all the passes of the LNO having LOOP_CLOSED_SSA.
3965 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3966 * tree-loop-distribution.c (pass_loop_distribution): Same.
3967 * tree-pass.h (TODO_verify_loops): Removed.
3968 * tree-ssa-loop.c (pass_tree_loop_init): Same.
3970 (pass_tree_unswitch): Same.
3971 (pass_predcom): Same.
3972 (pass_vectorize): Same.
3973 (pass_linear_transform): Same.
3974 (pass_graphite_transforms): Same.
3975 (pass_iv_canon): Same.
3976 (pass_complete_unroll): Same.
3977 (pass_complete_unrolli): Same.
3978 (pass_parallelize_loops): Same.
3979 (pass_loop_prefetch): Same.
3980 (pass_iv_optimize): Same.
3982 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
3985 * passes.c (init_optimization_passes): Move pass_lim before
3986 pass_copy_prop and pass_dce_loop.
3988 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3991 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3992 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3993 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3994 MULTI_* defines for 4 argument vpermil2p* builtins.
3996 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3998 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3999 * config/i386/i386.c (x86_maybe_negate_const_int): New.
4000 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
4001 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
4002 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
4003 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
4004 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
4005 Use x86_maybe_negate_const_int to output insn mnemonic.
4006 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
4007 check from instruction predicate. Update comments.
4008 * config/i386/sync.md (sync_add<mode>): Use
4009 x86_maybe_negate_const_int to output insn mnemonic.
4011 2010-04-06 Jan Hubicka <jh@suse.cz>
4013 PR tree-optimization/42906
4014 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
4015 IGNORE_SELF argument. Set visited_control_parents for fully
4017 (find_obviously_necessary_stmts): Update call of
4018 mark_control_dependent_edges_necessary.
4019 (propagate_necessity): Likewise. Handle PHI edges more curefully.
4021 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
4023 * config/i386/i386.md: Remove comment about 'e' and 'E'
4026 2010-04-06 Richard Guenther <rguenther@suse.de>
4028 PR tree-optimization/43627
4029 * tree-vrp.c (extract_range_from_unary_expr): Widenings
4030 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
4033 2010-04-06 Jakub Jelinek <jakub@redhat.com>
4035 * BASE-VER: Change to 4.6.0.
4038 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
4041 2010-04-06 Richard Guenther <rguenther@suse.de>
4044 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
4046 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4048 * doc/invoke.texi (Optimize Options): Document that LTO
4049 won't remove object access purely due to incompatible
4052 2010-04-04 Matthias Klose <doko@ubuntu.com>
4054 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
4055 Initialize variable.
4057 2010-04-03 Richard Guenther <rguenther@suse.de>
4060 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
4061 require a non-NULL MEM_OFFSET.
4063 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
4065 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
4066 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
4067 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
4068 config/alpha/predicates.md, config/arm/arm.md,
4069 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
4070 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
4071 config/darwin9.h, config/darwin.c, config/darwin.h,
4072 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
4073 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
4074 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
4075 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
4076 config/mips/mips.md, config/mn10300/mn10300.c,
4077 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
4078 config/rs6000/aix.h, config/rs6000/dfp.md,
4079 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
4080 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
4081 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
4082 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
4083 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
4084 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
4085 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
4086 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
4087 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
4088 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
4089 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
4090 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
4091 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
4092 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
4093 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
4094 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
4095 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
4096 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
4097 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
4098 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
4099 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
4100 opt-functions.awk, opth-gen.awk, params.def, passes.c,
4101 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
4102 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
4103 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
4104 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
4105 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
4106 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
4107 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
4108 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
4109 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
4110 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
4111 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
4112 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
4113 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
4114 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
4116 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4119 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
4120 * aclocal.m4: Regenerate.
4122 2010-04-02 Richard Guenther <rguenther@suse.de>
4124 PR tree-optimization/43629
4125 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
4126 if we have seen a constant value.
4128 2010-04-02 Joseph Myers <joseph@codesourcery.com>
4130 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
4132 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
4135 * arm.c (legitimize_tls_address): Adjust call to
4136 gen_tls_load_dot_plus_four.
4137 (arm_note_pic_base): New function.
4138 (arm_cannot_copy_insn_p): Use it.
4139 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
4142 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4147 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4149 * Makefile.in ($(out_object_file)): Depend on
4150 gt-$(basename $(notdir $(out_file))).h.
4152 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
4154 * config.gcc (lm32-*-rtems*): Add t-lm32.
4156 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
4158 * config.gcc: Add lm32-*-rtems*.
4159 * config/lm32/rtems.h: New file.
4161 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
4164 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
4166 2010-04-01 Jakub Jelinek <jakub@redhat.com>
4168 * dwarf2out.c (output_compilation_unit_header): For
4169 -gdwarf-4 use version 4 instead of version 3.
4170 (output_line_info): For version 4 and above emit additional
4171 maximum ops per insn header field.
4172 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
4174 * dwarf2out.c (is_c_family, is_java): Remove.
4175 (lower_bound_default): New function.
4176 (add_bound_info, gen_descr_array_type_die): Use it.
4178 2010-04-01 Dodji Seketeli <dodji@redhat.com>
4181 * dwarf2out.c (gen_variable_die): Allow debug info for variable
4182 re-declaration when it happens in a function.
4184 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
4186 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
4187 (cgraph_remove_function_insertion_hook): Same.
4188 (cgraph_call_function_insertion_hooks): Same.
4190 2010-04-01 Richard Guenther <rguenther@suse.de>
4193 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
4194 and TREE_THIS_VOLATILE.
4195 (copy_ref_info): Likewise.
4196 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
4197 * tree.c (build6_stat): Ignore side-effects of all but arg5
4198 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
4201 2010-04-01 Richard Guenther <rguenther@suse.de>
4203 PR tree-optimization/43607
4204 * ipa-type-escape.c (check_call): Do not access non-existing
4207 2010-04-01 Richard Guenther <rguenther@suse.de>
4211 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
4212 Jack Howarth <howarth@bromo.med.uc.edu>
4214 * tree-profile.c (tree_init_ic_make_global_vars): Make static
4217 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4219 * doc/install.texi (Prerequisites): Document libelf usability on
4220 IRIX 5/6 and Solaris 2.
4221 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
4222 Update GNU as, GNU ld requirements.
4223 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
4224 Document Sun Studio compiler download.
4225 Update and simplify as, ld recommendations.
4226 (Specific, *-*-solaris2.7): Note obsoletion, removal.
4228 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4230 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
4231 with_tune_32 to pentium4.
4233 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
4235 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
4237 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4239 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
4240 obsoletion, removal.
4242 Document GNU as requirement.
4243 Update configure requirements.
4244 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
4245 Recomment IRIX 6.5.18+.
4246 Document IDF/IDL requirement.
4247 Document GNU as requirement.
4248 Document GNU ld bootstrap failure.
4249 Remove freeware.sgi.com reference.
4251 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4253 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
4254 UNIX V4.0, V5.0 obsoletion, removal.
4255 Remove --with-gc=simple reference.
4256 Update VM requirements during bootstrap.
4257 Remove -oldas bootstrap description.
4258 Update binutils reference.
4259 Remove comparison failure note.
4261 2010-03-31 Richard Guenther <rguenther@suse.de>
4262 Zdenek Dvorak <ook@ucw.cz>
4263 Sebastian Pop <sebastian.pop@amd.com>
4266 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
4267 with multiple arguments.
4268 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
4270 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4272 * graphite-dependences.c (print_pddr): Call print_pdr with an
4274 * graphite-poly.c (debug_pdr): Add an extra argument for the
4277 (print_pbb_domain): Same.
4279 (print_scop_context): Same.
4281 (print_cloog): Same.
4282 (debug_pbb_domain): Same.
4286 (debug_scop_context): Same.
4288 (debug_cloog): Same.
4289 (print_scop_params): Same.
4290 (debug_scop_params): Same.
4291 (print_iteration_domain): Same.
4292 (print_iteration_domains): Same.
4293 (debug_iteration_domain): Same.
4294 (debug_iteration_domains): Same.
4295 (print_scattering_function): Same.
4296 (print_scattering_functions): Same.
4297 (debug_scattering_function): Same.
4298 (debug_scattering_functions): Same.
4299 * graphite-poly.h (debug_pdr): Update declaration.
4301 (print_pbb_domain): Same.
4303 (print_scop_context): Same.
4305 (print_cloog): Same.
4306 (debug_pbb_domain): Same.
4310 (debug_scop_context): Same.
4312 (debug_cloog): Same.
4313 (print_scop_params): Same.
4314 (debug_scop_params): Same.
4315 (print_iteration_domain): Same.
4316 (print_iteration_domains): Same.
4317 (debug_iteration_domain): Same.
4318 (debug_iteration_domains): Same.
4319 (print_scattering_function): Same.
4320 (print_scattering_functions): Same.
4321 (debug_scattering_function): Same.
4322 (debug_scattering_functions): Same.
4324 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4326 * graphite-poly.c (print_scattering_function_1): New.
4327 (print_scattering_function): Call it.
4328 (print_scop_params): Remove spaces at the end of lines.
4331 * graphite-poly.h (print_cloog): Declared.
4332 (debug_cloog): Declared.
4334 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4336 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
4338 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
4339 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
4340 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
4341 to switch between adding the IV bump in loop->latch or in loop->header.
4343 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4345 * graphite-poly.c (print_scattering_function): Pretty print following
4348 (print_pbb_domain): Same.
4349 (dump_gbb_cases): Same.
4350 (dump_gbb_conditions): Same.
4353 (print_scop_params): Same.
4354 (print_scop_context): Same.
4356 (print_pbb_body): New.
4357 (lst_indent_to): New.
4358 (print_lst): Start new lines with a #.
4359 * graphite-poly.h (pbb_bb): New.
4360 (pbb_index): Use pbb_bb.
4361 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
4363 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
4365 2010-03-31 Jakub Jelinek <jakub@redhat.com>
4367 * dwarf2out.c (size_of_die): For -gdwarf-4 use
4368 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
4369 and 0 instead of 1 for dw_val_class_flag.
4370 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
4371 dw_val_class_range_list, dw_val_class_loc_list,
4372 dw_val_class_lineptr and dw_val_class_macptr, use
4373 DW_FORM_flag_present for dw_val_class_flag and
4374 DW_FORM_exprloc for dw_val_class_loc.
4375 (output_die): For -gdwarf-4 print dw_val_class_loc
4376 size as uleb128 instead of 1 or 2 bytes and don't print
4377 anything for dw_val_class_flag.
4379 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
4380 instead of cselib_lookup following by tweaking locs->setting_insn.
4383 * cselib.c (cselib_process_insn): Clear cselib_current_insn
4384 even before returning from label, setjmp call or volatile asm
4387 2010-03-31 Richard Guenther <rguenther@suse.de>
4390 * cgraphunit.c (cgraph_output_in_order): Do not allocate
4391 temporary data on stack.
4393 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4395 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
4396 (PUSHSECTION_ASM_OP): Remove.
4397 (POPSECTION_ASM_OP): Remove.
4398 (PUSHSECTION_FORMAT): Remove.
4399 * config/sol2.h (PUSHSECTION_FORMAT): Define.
4400 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
4401 * config/sol2.c (solaris_output_init_fini): Use it.
4403 2010-03-31 Jie Zhang <jie@codesourcery.com>
4406 * opt-functions.awk (var_type_struct): Use signed char type
4407 for simple variables.
4409 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4411 * config/sol2.c: Include output.h.
4412 (solaris_assemble_visibility): New function.
4413 * config/t-sol2 (sol2.o): Add output.h dependency.
4414 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
4415 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
4418 2010-03-31 Jakub Jelinek <jakub@redhat.com>
4421 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
4422 V2SImode or XFmode on PRE_DEC.
4425 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
4428 2010-03-31 Jie Zhang <jie@codesourcery.com>
4431 * reload.h (caller_save_initialized_p): Declare.
4432 * toplev.c (backend_init_target): Don't call
4433 init_caller_save but set caller_save_initialized_p to false.
4434 * caller-save.c (caller_save_initialized_p): Define.
4435 (init_caller_save): Check caller_save_initialized_p.
4436 * ira.c (ira): Call init_caller_save if flag_caller_saves.
4438 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4441 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
4442 and soft-fp/t-softfp to tmake_file.
4443 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
4444 (LIBGCC2_TF_CEXT): Define.
4447 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
4450 * cselib.c (n_useless_values): Document handling of debug locs.
4451 (n_useless_debug_values, n_debug_values): New variables.
4452 (new_elt_loc_list): Don't add to debug values, keep count.
4453 (promote_debug_loc): New.
4454 (cselib_reset_table): Zero new variables.
4455 (entry_and_rtx_equal_p): Promote debug locs.
4456 (discard_useless_locs): Increment n_useless_debug_values for
4458 (remove_useless_values): Adjust n_useless_values and n_debug_values
4459 with n_useless_debug_values.
4460 (add_mem_for_addr): Promote debug locs.
4461 (cselib_lookup_mem): Likewise.
4462 (cselib_lookup_addr): Renamed to...
4463 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
4464 (cselib_log_lookup): ... this. Turn into...
4465 (cselib_lookup_addr): ... new wrapper.
4466 (cselib_lookup_from_insn): New.
4467 (cselib_invalidate_regno): Increment n_useless_debug_values for
4469 (cselib_invalidate_mem): Likewise.
4470 (cselib_process_insn): Take n_deleted and n_debug_values into
4471 account to guard remove_useless_value call.
4472 (cselib_finish): Zero n_useless_debug_values.
4473 * cselib.h (cselib_lookup_from_insn): Declare.
4474 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
4475 (sched_analyze_2): Likewise.
4477 2010-03-30 Jakub Jelinek <jakub@redhat.com>
4479 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
4481 (adjust_mems): Replace narrowing SUBREG of expression containing
4482 just PLUS, MINUS, MULT and ASHIFT of registers and constants
4483 with operations in the narrower mode.
4486 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
4487 regs_invalidated_by_call instead all call_used_reg_set registers.
4489 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
4492 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
4493 pointer comparisons with types_compatible_p.
4494 * tree-vect-stmts.c (vectorizable_call): Same.
4495 (vectorizable_condition): Same.
4497 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4499 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
4500 stack check if the mask would be zero.
4502 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
4503 Jack Howarth <howarth@bromo.med.uc.edu>
4505 * tree-profile.c (tree_init_ic_make_global_vars): Make static
4508 2010-03-30 Joseph Myers <joseph@codesourcery.com>
4511 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
4513 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
4514 Include ___unordxf2 and ___unordtf2.
4515 * config/i386/libgcc-glibc.ver: Do not define inheritance from
4518 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
4520 * config/lm32/t-lm32: New file.
4521 * config.gcc: Use the above file when targetting lm32.
4523 2010-03-28 Duncan Sands <baldrick@free.fr>
4525 * Makefile.in (PLUGIN_HEADERS): Add except.h.
4527 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4530 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
4531 Improve vectorization cost model diagnostic.
4533 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4536 * tree-vect-data-refs.c (vect_analyze_data_refs): When
4537 compute_data_dependences_for_loop returns false, early exit
4538 and output an extra diagnostic for the failed data reference
4541 2010-03-29 Richard Guenther <rguenther@suse.de>
4543 PR tree-optimization/43560
4544 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
4545 (can_sm_ref_p): Treat stores to readonly locations as trapping.
4547 2010-03-29 Jie Zhang <jie@codesourcery.com>
4550 * toplev.c (process_options): Set optimization_default_node
4551 and optimization_current_node.
4552 * opts.c (decode_options): Don't set optimization_default_node
4553 and optimization_current_node.
4555 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
4557 * config/rtems.h: Abandon -qrtems_debug.
4559 2010-03-28 Jan Hubicka <jh@suse.cz>
4561 PR tree-optimization/43505
4562 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
4563 map should not be copied.
4565 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4568 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
4569 cdtors, set DECL_PRESERVE_P.
4570 * ipa.c (cgraph_externally_visible_p): Return true if declaration
4573 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
4575 PR tree-optimization/43528
4576 * stor-layout.c (place_field): Check that constant fits into
4577 unsigned HWI when skipping calculation of MS bitfield layout.
4579 2010-03-27 Jan Hubicka <jh@suse.cz>
4582 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
4583 notice_global_symbol work.
4585 2010-03-27 Jakub Jelinek <jakub@redhat.com>
4587 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
4588 instead of dwarf2out_decl.
4589 (struct var_loc_node): Remove section_label field.
4590 (dwarf2out_function_decl): New function.
4591 (dwarf2out_var_location): Don't set section_label field.
4592 (dwarf2out_begin_function): Don't empty decl_loc_table here.
4594 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
4596 PR tree-optimization/43544
4597 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4598 First argument for builtin vectorized function hook is now a
4599 tree to be able to distinguish between machine specific and
4601 * targhooks.c (default_builtin_vectorized_function): Ditto.
4602 * targhooks.h (default_builtin_vectorized_function): Ditto.
4603 * target.h (struct gcc_target): Ditto.
4604 * tree-vect-stmts.c (vectorizable_function): Ditto.
4605 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
4606 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
4609 2010-03-26 Joseph Myers <joseph@codesourcery.com>
4612 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
4613 nested binding iff it is a FUNCTION_DECL.
4614 (store_parm_decls_newstyle): Pass nested=true to bind for
4615 FUNCTION_DECLs amongst parameters.
4617 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4619 * var-tracking.c (vt_expand_loc_callback): Don't run
4620 cselib_expand_value_rtx_cb in dummy mode if
4621 cselib_dummy_expand_value_rtx_cb returned false.
4623 * var-tracking.c (emit_note_insn_var_location): For one part
4624 notes with offset 0, don't add EXPR_LIST around the location.
4625 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
4626 add_location_or_const_value_attribute): Adjust for that change.
4629 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
4630 into first operand and location into second.
4631 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
4632 dw_cfi_oprnd_loc for DW_CFA_expression.
4633 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
4634 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
4635 assume first argument is regnum and second argument is location.
4637 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4640 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
4641 of scratch register to DImode. Split to DImode comparison operator.
4642 Use SImode subreg of scratch register in the multiplication.
4643 (*cmp_sadd_sidi): Ditto.
4644 (*cmp_ssub_si): Ditto.
4645 (*cmp_ssub_sidi): Ditto.
4647 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4650 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
4651 Remove invalid assert and wrong comment.
4653 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4656 * flags.h (final_insns_dump_p): New extern.
4657 * final.c (final_insns_dump_p): New variable.
4658 (rest_of_clean_state): Set it before -fdump-final-insns=
4659 dumping, clear afterwards.
4660 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
4661 MEM_ALIAS_SET on MEMs.
4663 2010-03-26 David S. Miller <davem@davemloft.net>
4665 * configure.ac: Fix sparc GOTDATA_OP bug check.
4666 * configure: Rebuild.
4668 2010-03-26 Alan Modra <amodra@gmail.com>
4670 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
4672 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4674 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
4675 TLS_SECTION_ASM_FLAG.
4677 2010-03-25 Jakub Jelinek <jakub@redhat.com>
4680 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
4681 Clear first_function_block_is_cold.
4684 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
4685 argument if the argument is truth_value_p.
4687 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
4689 * config/rs6000/constraints.md: Update copyright year for my changes.
4692 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
4693 used in reg+reg addressing, swap registers.
4695 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4698 * target.h (struct gcc_target): Add code_end hook.
4699 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
4701 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
4702 * toplev.c (compile_file): Call targetm.asm_out.code_end
4703 hook before unwind info/debug info output.
4704 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
4705 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
4706 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4707 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
4708 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4709 * config/i386/i386.c (ix86_file_end): Renamed to...
4710 (ix86_code_end): ... this. Make static. Don't call
4711 file_end_indicate_exec_stack. Emit unwind info using
4712 final_start_function/final_end_function.
4713 (darwin_x86_file_end): Remove.
4714 (TARGET_ASM_CODE_END): Define.
4715 * config/i386/i386.h (TARGET_ASM_FILE_END,
4716 NEED_INDICATE_EXEC_STACK): Don't define.
4717 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
4718 (TARGET_ASM_FILE_END): Define to darwin_file_end.
4719 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
4720 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
4723 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
4724 at the beginning and final_end_function at the end.
4725 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
4727 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4729 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
4730 and Sun as TLS syntax.
4731 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
4732 * configure: Regenerate.
4733 * config.in: Regenerate.
4734 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
4735 (default_elf_asm_named_section): Use it.
4736 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
4737 (i386_output_dwarf_dtprel): Likewise.
4738 (output_addr_const_extra): Likewise.
4739 (output_pic_addr_const): Lowercase @GOTTPOFF.
4740 (output_addr_const_extra): Likewise.
4741 (output_pic_addr_const): Lowercase @GOTNTPOFF.
4742 (output_addr_const_extra): Likewise.
4743 (output_pic_addr_const): Lowercase @INDNTPOFF.
4744 (output_addr_const_extra): Likewise.
4745 (output_pic_addr_const): Lowercase @NTPOFF.
4746 (output_addr_const_extra): Likewise.
4747 (output_pic_addr_const): Lowercase @TPOFF.
4748 (output_addr_const_extra): Likewise.
4749 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
4750 (*tls_global_dynamic_64): Likewise.
4751 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
4752 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
4754 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
4755 (ASM_OUTPUT_TLS_COMMON): Use it.
4756 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
4759 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
4760 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
4761 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
4762 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
4763 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4764 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
4766 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4768 * config/i386/i386.c (override_options): Don't accept
4769 -mtls-dialect=sun any longer.
4770 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
4771 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
4772 (*tls_local_dynamic_base_32_sun): Likewise.
4773 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4775 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4778 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
4779 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
4782 * ira.c (adjust_cleared_regs): New function.
4783 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
4787 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
4789 * expr.c (expand_expr_real): Restore previous
4790 curr_insn_source_location and curr_insn_block after
4791 expand_expr_real_1 call.
4792 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
4793 instead of expand_expr_real_1.
4795 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
4797 PR rtl-optimization/43413
4798 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
4801 2010-03-22 James E. Wilson <wilson@codesourcery.com>
4804 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
4805 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
4807 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
4809 * config/i386/i386.c (ix86_target_string): Add -mfma.
4810 Fix a typo in comment.
4812 2010-03-22 Mike Stump <mikestump@comcast.net>
4815 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4816 Don't overly align based upon packed packed fields.
4818 2010-03-22 Jason Merrill <jason@redhat.com>
4820 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
4821 Use () rather than [], and move before the element type.
4823 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4825 * doc/configfiles.texi (Configuration Files): Removed
4826 fixinc/Makefile*, intl/Makefile.*.
4827 * doc/makefile.texi: Fixed markup. Abstract from version
4828 control system used.
4829 (Makefile): Removed obsolete gcc/java/parse.y example.
4830 * doc/sourcebuild.texi: Likewise.
4831 (Top Level): Added config, gnattools, libdecnumber, libgcc,
4832 libgomp, libssp. Removed fastjar.
4833 (Miscellaneous Docs): Clarify location.
4834 Added COPYING3, COPYING3.LIB.
4835 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
4837 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4840 * config/i386/i386.c (x86_function_profiler)
4841 [!NO_PROFILE_COUNTERS]: Fix typo.
4842 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
4845 2010-03-22 Janis Johnson <janis187@us.ibm.com>
4846 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4848 * doc/sourcebuild.texi (Test Directives): Split into six
4849 subsections, with most of the current text in new subsections
4850 Directives, Selectors, and Final Actions.
4851 (Directives): Split list of test directives into multiple
4853 (Selectors): Describe use and syntax of selectors.
4854 (Effective-Target Keywords): Describe all existing keywords.
4855 (Add Options): Describe features for dg-add-options.
4856 (Require Support): Describe variants of dg-require-support.
4857 (Final Actions): Describe commands to use in dg-final.
4859 2010-03-22 Michael Matz <matz@suse.de>
4862 * recog.c (validate_replace_rtx_group): Replace also in
4863 REG_EQUAL and REG_EQUIV notes.
4865 2010-03-22 Richard Guenther <rguenther@suse.de>
4867 PR tree-optimization/43390
4868 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
4869 sure vector extracts are type correct.
4871 2010-03-22 Richard Guenther <rguenther@suse.de>
4874 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
4875 x * sqrt (x) even when optimizing for size if the target
4876 has native support for sqrt.
4878 2010-03-22 Jakub Jelinek <jakub@redhat.com>
4880 * varasm.c (make_decl_rtl_for_debug): Also clear
4881 flag_mudflap for the duration of make_decl_rtl call.
4884 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
4885 locs from preserved VALUEs.
4887 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4890 * pa.md (movmemsi): Set align to one if zero.
4891 (movmemdi): Likewise.
4893 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
4896 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
4897 with their corresponding prologue pushes.
4899 2010-03-20 Andrew Pinski <pinskia@gmail.com>
4902 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
4903 at the begining or end.
4904 (spu_expand_epilogue): Likewise.
4906 2010-03-20 Richard Guenther <rguenther@suse.de>
4908 PR rtl-optimization/43438
4909 * combine.c (make_extraction): Properly zero-/sign-extend an
4910 extraction of the low part of a CONST_INT. Also handle
4913 2010-03-19 Mike Stump <mikestump@comcast.net>
4915 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
4916 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
4917 (override_options): Use SUBTARGET32_DEFAULT_CPU.
4919 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4922 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
4925 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
4927 PR rtl-optimization/42258
4928 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
4929 use that may match DEF.
4932 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
4933 the cost of loading the constant rather than assuming
4935 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
4936 outer code is AND, do the same tests as the andsi3 expander and
4937 return COSTS_N_INSNS (1) if and is cheap.
4939 * optabs.c (avoid_expensive_constant): Fix formatting.
4941 2010-03-19 Michael Matz <matz@suse.de>
4944 * attribs.c (decl_attributes): When rebuilding a function pointer
4945 type use the same qualifiers as the original pointer type.
4947 2010-03-19 Martin Jambor <mjambor@suse.cz>
4949 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
4950 and is_gimple_ip_invariant_address.
4952 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4955 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4957 * config/arm/arm.c (arm_override_options): Turn off
4958 flag_dwarf2_cfi_asm for AAPCS variants.
4960 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4963 * config/arm/arm.c (emit_multi_reg_push): Update comments.
4964 Use PRE_MODIFY instead of PRE_DEC.
4965 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
4966 (vfp_emit_fstmd): Likewise.
4968 2010-03-19 Michael Matz <matz@suse.de>
4971 * builtins.c (expand_builtin_interclass_mathfn,
4972 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
4975 2010-03-19 Richard Guenther <rguenther@suse.de>
4977 PR tree-optimization/43415
4978 * tree-ssa-pre.c (phi_translate): Split out worker to ...
4979 (phi_translate_1): ... this.
4980 (phi_translate): Move all caching here. Cache all NARY
4981 and REFERENCE translations.
4983 2010-03-19 David S. Miller <davem@davemloft.net>
4985 With help from Eric Botcazou.
4986 * config/sparc/sparc.c: Include dwarf2out.h.
4987 (emit_pic_helper): Delete.
4988 (pic_helper_symbol_name): Delete.
4989 (pic_helper_emitted_p): Delete.
4990 (pic_helper_needed): New.
4991 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
4992 (get_pc_thunk_name): New.
4993 (load_pic_register): Remove 'delay_pic_helper' arg. Use
4994 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
4995 Set pic_helper_needed to true. Don't call emit_pic_helper.
4996 (sparc_expand_prologue): Update load_pic_register call.
4997 (sparc_output_mi_thunk): Likewise.
4998 (sparc_file_end): Emit a hidden comdat symbol for the PIC
4999 thunk if possible. Output CFI information as needed.
5001 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
5002 Jack Howarth <howarth@bromo.med.uc.edu>
5005 * config/i386/i386.h: Fix ABI on darwin x86-32.
5007 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
5009 * tree.h: Declare make_decl_rtl_for_debug.
5010 * varasm.c (make_decl_rtl_for_debug): New.
5011 * dwarf2out.c (rtl_for_decl_location): Call it.
5012 * cfgexpand.c (expand_debug_expr): Call it.
5014 2010-03-18 Jakub Jelinek <jakub@redhat.com>
5017 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
5021 * var-tracking.c (vt_init_cfa_base): Do nothing if
5022 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
5024 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
5027 * var-tracking.c (canonicalize_vars_star): New.
5028 (dataflow_post_merge_adjust): Use it.
5030 2010-03-18 Jakub Jelinek <jakub@redhat.com>
5033 * var-tracking.c (non_suitable_const): New function.
5034 (add_uses): For DEBUG_INSNs with constants, don't record any
5035 value, instead just the constant value itself.
5036 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
5037 is not VAR_LOC_UNKNOWN_P, set var to the constant.
5038 (emit_notes_in_bb): Likewise.
5039 (emit_note_insn_var_location): For onepart variables if
5040 cur_loc is a VOIDmode constant, use DECL_MODE.
5042 2010-03-18 Martin Jambor <mjambor@suse.cz>
5045 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
5046 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
5047 all non-clones. Moved call redirection...
5048 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
5049 (cgraph_materialize_all_clones): Dispose of all
5050 combined_args_to_skip bitmaps.
5051 (verify_cgraph_node): Do not check for edges pointing to wrong
5052 nodes in inline clones.
5053 * tree-inline.c (copy_bb): Call
5054 cgraph_redirect_edge_call_stmt_to_callee.
5055 * ipa.c (cgraph_remove_unreachable_nodes): Call
5056 cgraph_node_remove_callees even when there are used clones.
5058 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
5060 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
5062 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
5065 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
5068 2010-03-18 Michael Matz <matz@suse.de>
5071 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
5072 into sqrt(x) if we need to preserve signed zeros.
5074 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
5075 Eric Botcazou <ebotcazou@adacore.com>
5077 PR rtl-optimization/43360
5078 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
5079 note if we don't know its invariant status.
5081 2010-03-18 Michael Matz <matz@suse.de>
5083 PR tree-optimization/43402
5084 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
5085 PHI chains of ssa names registered for update.
5087 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
5090 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
5091 non-offsettable and pre_modify update addressing.
5092 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
5093 and "2" alternatives "#".
5094 (*movdd_softfloat32): Make all alternatives "#";
5095 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
5096 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
5097 (*movdf_softfloat32): Make all alternatives "#";
5098 (movdi): Use the new DIFD mode iterator to create a common splitter
5099 for movdi, movdf and movdd patterns.
5101 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
5103 * common.opt (dumpdir): Remove redundant tab.
5105 2010-03-17 Martin Jambor <mjambor@suse.cz>
5107 PR tree-optimization/43347
5108 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
5109 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
5111 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
5113 PR rtl-optimization/42216
5114 * regrename.c (create_new_chain): New function, broken out from...
5115 (scan_rtx_reg): ... here. Call it. Handle the case where we are
5116 appending a use to an empty chain.
5117 (build_def_use): Remove previous changes that convert OP_INOUT to
5118 OP_OUT operands; instead detect the case where an OP_INOUT operand
5119 uses a previously untracked register and create an empty chain for it.
5121 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5123 * doc/extend.texi (Function Attributes): Rewrite unfinished
5124 sentence in ms_abi documentation.
5126 2010-03-17 Alan Modra <amodra@gmail.com>
5128 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
5129 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
5130 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
5131 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
5133 2010-03-16 Richard Henderson <rth@redhat.com>
5136 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
5137 (lower_try_finally): Save and restore eh_seq around the expansion
5140 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
5142 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
5143 statements before splitting block.
5145 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5147 * doc/sourcebuild.texi (Testsuites): Fix markup.
5148 Use pathnames relative to gcc/testsuite.
5149 (Test Directives): Move description of how timeout is determined.
5150 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
5151 (C Tests): Correct gcc.misc-tests directory.
5152 Framework tests now live in gcc.test-framework.
5154 2010-03-16 Richard Guenther <rguenther@suse.de>
5157 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
5158 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
5160 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
5161 Alexandre Oliva <aoliva@redhat.com>
5163 PR tree-optimization/42917
5164 * lambda-code.c (remove_iv): Skip debug statements.
5165 (lambda_loopnest_to_gcc_loopnest): Likewise.
5166 (not_interesting_stmt): Debug statements are not interesting.
5168 2010-03-16 Jakub Jelinek <jakub@redhat.com>
5172 * cselib.c (cselib_preserve_constants,
5173 cfa_base_preserved_val): New static variables.
5174 (preserve_only_constants): New function.
5175 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
5176 clear its REG_VALUES. If cselib_preserve_constants, don't
5177 empty the whole hash table, but preserve there VALUEs with constants,
5178 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
5179 (cselib_preserve_cfa_base_value): New function.
5180 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
5181 (cselib_init): Change argument to int bitfield. Set
5182 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
5184 (cselib_finish): Clear cselib_preserve_constants and
5185 cfa_base_preserved_val.
5186 * cselib.h (enum cselib_record_what): New enum.
5187 (cselib_init): Change argument to int.
5188 (cselib_preserve_cfa_base_value): New prototype.
5189 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
5190 * dse.c (dse_step1): Likewise.
5191 * cfgcleanup.c (thread_jump): Likewise.
5192 * sched-deps.c (sched_analyze): Likewise.
5193 * gcse.c (local_cprop_pass): Likewise.
5194 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
5195 If FN is non-NULL, call the callback always and whenever it returns
5196 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
5197 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
5198 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
5199 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
5200 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
5201 * var-tracking.c: Include recog.h.
5202 (bb_stack_adjust_offset): Remove.
5203 (vt_stack_adjustments): Don't call it, instead just gather the
5204 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
5205 (adjust_stack_reference): Remove.
5206 (compute_cfa_pointer): New function.
5207 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
5208 (struct adjust_mem_data): New type.
5209 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
5211 (get_address_mode): New function.
5212 (replace_expr_with_values): Use it.
5213 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
5214 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
5215 (adjust_sets): Remove.
5216 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
5217 Use get_address_mode.
5218 (get_adjusted_src): Remove.
5219 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
5220 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
5221 (add_with_sets): Don't call adjust_sets.
5222 (fp_setter, vt_init_cfa_base): New functions.
5223 (vt_initialize): Change return type to bool. Move most of pool etc.
5224 initialization to the beginning of the function from end. Pass
5225 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
5226 If !frame_pointer_needed, call vt_stack_adjustment before mos
5227 vector is filled, call vt_init_cfa_base if argp/framep has been
5228 eliminated to sp. If frame_pointer_needed and argp/framep has
5229 been eliminated to hard frame pointer, set
5230 hard_frame_pointer_adjustment and call vt_init_cfa_base after
5231 encountering fp setter in the prologue. For MO_ADJUST, call
5232 log_op_type before pusing the op into mos vector, not afterwards.
5233 Call adjust_insn before cselib_process_insn/add_with_sets,
5234 call cancel_changes (0) afterwards.
5235 (variable_tracking_main_1): Adjust for vt_initialize calling
5236 vt_stack_adjustments and returning whether it succeeded or not.
5238 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
5240 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
5243 2010-03-15 Jakub Jelinek <jakub@redhat.com>
5245 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
5247 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
5248 drap_reg has not been set.
5250 2010-03-15 Michael Matz <matz@suse.de>
5253 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
5254 use it to expand block copies.
5255 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
5256 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
5257 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
5259 2010-03-15 Richard Guenther <rguenther@suse.de>
5261 PR tree-optimization/43367
5262 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
5265 2010-03-15 Richard Guenther <rguenther@suse.de>
5267 PR tree-optimization/43317
5268 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
5270 2010-03-15 Martin Jambor <mjambor@suse.cz>
5272 PR tree-optimization/43141
5273 * tree-sra.c (create_abstract_origin): New function.
5274 (modify_function): Call create_abstract_origin.
5276 2010-03-15 Chris Demetriou <cgd@google.com>
5278 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
5281 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5284 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
5285 call insert_out_of_ssa_copy for default definitions.
5287 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5289 * graphite-clast-to-gimple.c (my_long_long): Defined.
5290 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
5291 * graphite-sese-to-poly.c (my_long_long): Defined.
5292 (scop_ivs_can_be_represented): Use it.
5294 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5296 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
5297 graphite-max-bbs-per-function, and loop-block-tile-size.
5298 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
5300 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
5302 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5304 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
5305 forward declaration.
5306 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
5307 (add_upper_bounds_from_estimated_nit): New.
5308 (build_loop_iteration_domains): Use it.
5310 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5312 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
5314 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5317 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
5318 should be an INTEGER_CST. Also handle CASE_CONVERT.
5320 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5322 * graphite.c (graphite_initialize): To bound the number of bbs per
5323 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
5324 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
5325 * doc/invoke.texi: Document it.
5327 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5329 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
5330 * graphite-sese-to-poly.h (build_poly_scop): Same.
5332 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5334 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
5335 the number of parameters in the scop. Use as an upper bound
5336 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
5337 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
5338 * doc/invoke.texi: Document it.
5340 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
5342 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
5343 * doc/c-tree.texi: Remove.
5344 * doc/generic.texi: Merge c-tree.texi here.
5345 * doc/gccint.texi (Trees): Remove menu entry.
5346 (c-tree.texi): Remove @include.
5347 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
5348 * doc/languages.texi (Reading RTL): Ditto.
5350 2010-03-12 Steve Ellcey <sje@cup.hp.com>
5353 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
5355 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
5358 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
5359 code added to work around reload clobbering CONST insns.
5361 2010-03-12 Jakub Jelinek <jakub@redhat.com>
5363 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
5364 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
5365 (cselib_preserve_only_values): Remove retain argument, don't
5366 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
5367 * cselib.h (cselib_preserve_only_values): Remove retain argument.
5368 * var-tracking.c (micro_operation): Move insn field before union.
5369 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
5370 (struct variable_tracking_info_def): Remove n_mos field, change
5371 mos into a vector of micro_operations.
5372 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
5373 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
5374 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
5375 changing into a vector.
5376 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
5377 come before all other uops generated by add_stores.
5378 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
5380 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
5381 a vector. Run just one pass over the bbs instead of separate counting
5382 and computation phase.
5383 (vt_finalize): Free VTI (bb)->mos vector instead of array.
5386 * tree-inline.c (remap_decls): Put old_var rather than origin_var
5387 into *nonlocalized_list vector.
5388 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
5389 even if origin is non-NULL.
5390 (gen_variable_die): Likewise.
5391 (process_scope_var): Don't change origin.
5392 (gen_decl_die): Likewise.
5393 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
5394 before adding new edges instead of after it, fix moving over
5397 2010-03-11 David S. Miller <davem@davemloft.net>
5399 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
5401 * configure: Rebuild.
5403 2010-03-11 Martin Jambor <mjambor@suse.cz>
5405 PR tree-optimization/43257
5406 * tree.c (assign_assembler_name_if_neeeded): New function.
5407 (free_lang_data_in_cgraph): Assembler name assignment moved to the
5409 * tree.h (assign_assembler_name_if_neeeded): Declare.
5410 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
5411 the function if needed.
5413 2010-03-11 Chris Demetriou <cgd@google.com>
5415 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
5416 include/stdint-gcc.h, and include/stdint.h world-readable.
5418 2010-03-11 Richard Guenther <rguenther@suse.de>
5420 PR tree-optimization/43255
5421 * tree-vrp.c (process_assert_insertions_for): Do not insert
5422 asserts for trivial conditions.
5424 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5426 PR tree-optimization/43280
5427 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
5428 generation. Move calculation of size out of the if branch.
5429 (find_bswap): Modify compare number generation.
5431 2010-03-11 Richard Guenther <rguenther@suse.de>
5434 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
5435 (input_gimple_stmt): Fixup handled component types during
5436 operand read. Also fix up decls in ADDR_EXPRs.
5438 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
5440 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
5441 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
5443 2010-03-10 Jan Hubicka <jh@suse.cz>
5446 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
5447 * varasm.c (get_variable_section): Don't do that here...
5448 (make_decl_rtl): ... and here.
5449 (do_assemble_alias): Produce decl RTL.
5450 (assemble_alias): Likewise.
5452 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5455 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
5456 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
5458 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
5459 (based_loc_descr): Only express drap or vdrap regno based expressions
5460 using DW_OP_fbreg when not optimizing.
5461 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
5462 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
5463 REG_CFA_SET_VDRAP note.
5465 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
5467 PR tree-optimization/43236
5468 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
5469 error in calculation of base address in reverse iteration case.
5470 (generate_builtin): Take number of latch executions if the statement
5473 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
5476 * tree-eh.c: Include pointer-set.h.
5477 (lower_eh_dispatch): Filter out duplicate case labels and
5478 remove the unneeded edge when the label is unused. Return
5479 true when some edges are removed.
5480 (execute_lower_eh_dispatch): When any lowering resulted in
5481 removing an edge, also delete unreachable blocks.
5483 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5486 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
5487 UNSPEC_MACHOPIC_OFFSET.
5489 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
5492 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
5493 (m68k_delegitimize_address): New function.
5495 2010-03-09 Jakub Jelinek <jakub@redhat.com>
5498 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
5501 * var-tracking.c (adjust_sets): New function.
5502 (count_with_sets, add_with_sets): Use it.
5503 (get_adjusted_src): New inline function.
5504 (add_stores): Use it.
5507 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
5508 call cselib_dummy_expand_value_rtx_cb instead of
5509 cselib_expand_value_rtx_cb.
5512 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
5513 * config/i386/i386.c: Include debug.h and dwarf2out.h.
5514 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
5515 and .cfi_endproc around the pic thunks.
5516 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
5517 all queued unwind info register saves are saved before the call.
5518 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
5519 considered as sp-=4 for unwind info and the pop as sp+=4 which
5520 also clobbers dest, but doesn't actually restore it.
5523 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
5524 RTX_FRAME_RELATED_P.
5526 2010-03-09 Jie Zhang <jie@codesourcery.com>
5528 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
5529 whitespaces in output template.
5531 2010-03-09 Jie Zhang <jie@codesourcery.com>
5533 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
5536 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5538 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
5539 builtins.exp in a separate job.
5541 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5543 * graphite-sese-to-poly.c (add_param_constraints): Use
5544 lower_bound_in_type and upper_bound_in_type.
5546 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5548 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
5549 instead of unsigned_type_node.
5551 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5552 Reza Yazdani <reza.yazdani@amd.com>
5555 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
5556 on pointer type parameters.
5558 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5562 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
5563 handle conversions from pointer to integers.
5564 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
5565 induction variable, to be able to work with code generated by CLooG.
5566 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
5567 (build_poly_scop): Bail out if we cannot codegen a loop.
5569 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5571 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
5572 code generation with gloog_error.
5574 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5576 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
5577 Call fold_convert on all the returned values.
5578 (expand_scalar_variables_expr): Pass to
5579 expand_scalar_variables_ssa_name the type of the resulting expression.
5581 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5583 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
5584 ppl_min_for_le_pointset.
5585 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
5586 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
5588 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5590 * graphite-dependences.c (map_into_dep_poly): Removed.
5591 (dependence_polyhedron_1): Use combine_context_id_scat.
5593 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5595 * graphite-poly.h (struct poly_scattering): Add layout documentation.
5596 (struct poly_bb): Same.
5597 (combine_context_id_scat): New.
5599 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5602 * sese.c (name_defined_in_loop_p): Return false for default
5605 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5607 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
5608 and clean up the logic.
5610 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5612 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
5615 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5617 * var-tracking.c (remove_cselib_value_chains): Define only for
5619 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
5620 delete_slot_part, emit_notes_for_differences_1): Don't call
5621 remove_cselib_value_chains here.
5622 (set_slot_part, emit_notes_for_differences_2): Don't call
5623 add_cselib_value_chains here.
5624 (preserved_values): New vector.
5625 (preserve_value): New function.
5626 (add_uses, add_stores, vt_add_function_parameters): Use it
5627 instead of cselib_preserve_value.
5628 (changed_values_stack): New vector.
5629 (check_changed_vars_0): New function.
5630 (check_changed_vars_1, check_changed_vars_2): Use it.
5631 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
5632 changed_values_stack VALUEs.
5633 (vt_emit_notes): For all preserved_values call
5634 add_cselib_value_chains. If ENABLE_CHECKING call
5635 remove_cselib_value_chains before verifying value_chains is empty.
5636 Initialize and free changed_values_stack.
5637 (vt_initialize): Initialize preserved_values.
5638 (vt_finalize): Free preserved_values.
5640 2010-03-08 Richard Guenther <rguenther@suse.de>
5642 PR tree-optimization/43269
5643 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
5646 2010-03-08 Martin Jambor <mjambor@suse.cz>
5648 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
5649 (ipa_is_param_called): Removed.
5650 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
5651 (ipa_print_node_params): Do not print the called flag.
5652 (ipa_write_node_info): Do not stream the called flag.
5653 (ipa_read_node_info): Likewise.
5655 2010-03-07 Jakub Jelinek <jakub@redhat.com>
5658 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
5659 * cselib.c (struct expand_value_data): Add dummy field.
5660 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
5662 (cselib_dummy_expand_value_rtx_cb): New function.
5663 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
5665 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
5666 * var-tracking.c: Include pointer-set.h.
5667 (variable): Change n_var_parts to char from int. Add
5668 cur_loc_changed and in_changed_variables fields.
5669 (variable_canonicalize): Remove.
5670 (shared_var_p): New inline function.
5671 (unshare_variable): Maintain cur_loc_changed and
5672 in_changed_variables fields. If var was in changed_variables,
5673 replace it there with new_var. Just copy cur_loc instead of
5674 resetting it to something else.
5675 (variable_union): Don't recompute cur_loc. Use shared_var_p.
5676 (dataflow_set_union): Don't call variable_canonicalize.
5677 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
5678 of their DEBUG_EXPR_TREE_DECLs.
5679 (canonicalize_loc_order_check): Verify that cur_loc is NULL
5680 and in_changed_variables and cur_loc_changed is false.
5681 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
5682 and cur_loc_changed. Don't update cur_loc here.
5683 (variable_merge_over_src): Don't call variable_canonicalize.
5684 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
5685 removing loc that is equal to cur_loc, clear cur_loc,
5686 set cur_loc_changed and ensure variable_was_changed is called.
5687 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
5688 compare pointers in cur_loc check, if it is equal to loc,
5689 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
5690 (variable_different_p): Remove compare_current_location argument,
5691 don't compare cur_loc.
5692 (dataflow_set_different_1): Adjust variable_different_p caller.
5693 (variable_was_changed): If dv had some var in changed_variables
5694 already, reset in_changed_variables flag for it and propagate
5695 cur_loc_changed over to the new variable. On empty var
5696 always set cur_loc_changed. Set in_changed_variables on whatever
5697 var is added to changed_variables.
5698 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
5699 Use shared_var_p. When removing loc that is equal to cur_loc,
5700 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
5701 end, don't set it to something else, just call variable_was_changed.
5702 (delete_slot_part): Use shared_var_p. When cur_loc equals to
5703 loc being removed, clear cur_loc and set cur_loc_changed.
5704 Set cur_loc_changed if all locations have been removed.
5705 (struct expand_loc_callback_data): New type.
5706 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
5707 allocated. Always create SUBREGs if simplify_subreg failed.
5708 Prefer to use cur_loc, when that fails and still in
5709 changed_variables (and seen first time) recompute it. Set
5710 cur_loc_changed of variables which had to change cur_loc and
5711 compute elcd->cur_loc_changed if any of the subexpressions used
5712 had to change cur_loc.
5713 (vt_expand_loc): Adjust to pass arguments in
5714 expand_loc_callback_data structure.
5715 (vt_expand_loc_dummy): New function.
5716 (emitted_notes): New variable.
5717 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
5718 that weren't used for any other decl in current
5719 emit_notes_for_changes call call vt_expand_loc_dummy to update
5720 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
5721 first loc_chain location if NULL before. Always use just
5722 cur_loc instead of first loc_chain location. When cur_loc_changed
5723 is false, when not --enable-checking=rtl just don't emit any note.
5724 When rtl checking, compute the note and assert it is the same
5725 as previous note. Clear cur_loc_changed and in_changed_variables
5726 at the end before removing from changed_variables.
5727 (check_changed_vars_3): New function.
5728 (emit_notes_for_changes): Traverse changed_vars to call
5729 check_changed_vars_3 on each changed var.
5730 (emit_notes_for_differences_1): Clear cur_loc_changed and
5731 in_changed_variables. Recompute cur_loc of new_var.
5732 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
5733 (vt_emit_notes): Initialize and destroy emitted_notes.
5735 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
5737 PR rtl-optimization/42220
5738 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
5739 Use verify_reg_tracked to determine if we should use OP_OUT rather
5741 (build_def_use): If we see an in-out operand for a register that we
5742 know nothing about, treat is an output if possible, fail the block if
5745 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5748 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
5751 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5754 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
5755 uses of relevant DEFs that are dead outside the loop too.
5757 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5759 * var-tracking.c (dataflow_set_merge): Swap src and src2.
5761 2010-01-13 Jakub Jelinek <jakub@redhat.com>
5763 * var-tracking.c (values_to_unmark): New variable.
5764 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
5765 values_to_unmark vector. Moved body to...
5766 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
5767 instead queue it into values_to_unmark vector.
5768 (vt_find_locations): Free values_to_unmark vector.
5770 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
5772 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
5773 (site.exp): Export them when plugins are enabled.
5775 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
5778 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
5780 (chrec_fold_multiply): Same.
5782 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
5785 * c-decl.c (build_compound_literal): Return early if init is
5788 2010-03-04 Martin Jambor <mjambor@suse.cz>
5790 PR tree-optimization/43164
5791 PR tree-optimization/43191
5792 * tree-sra.c (type_consists_of_records_p): Reject records with
5793 zero-size bit-fields at the end.
5795 2010-03-04 Mike Stump <mikestump@comcast.net>
5797 * Makefile.in (TAGS): Remove *.y.
5799 2010-03-04 Richard Guenther <rguenther@suse.de>
5801 PR tree-optimization/40761
5802 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
5804 (my_rev_post_order_compute): New function.
5805 (init_pre): Call it.
5807 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
5810 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
5811 decrease the cost of an IV candidate when the cost is infinite.
5813 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5815 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
5816 Use '3DNow!' for the extension of that name, ensure normal space
5818 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
5820 2010-03-03 Jeff Law <law@redhat.com>
5822 * PR middle-end/32693
5823 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
5824 than gen_rtx_SUBREG.
5825 (extract_bit_field_1): Likewise.
5827 2010-03-03 Janis Johnson <janis187@us.ibm.com>
5829 * doc/sourcebuild.texi (Test directives): Document that arguments
5830 include-opts and exclude-opts are now optional for dg-skip-if,
5831 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
5833 2010-03-03 Jason Merrill <jason@redhat.com>
5836 * cgraph.h (varpool_node): Add extra_name field.
5837 * varpool.c (varpool_extra_name_alias): New.
5838 (varpool_assemble_decl): Emit extra name aliases.
5839 (varpool_mark_needed_node): Look past an extra name alias.
5840 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
5841 * lto-streamer-in.c (lto_input_tree): Read it.
5842 * lto-streamer-out.c (output_unreferenced_globals): Write it.
5844 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
5846 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
5847 (sparc*-*-solaris2*): ...this.
5849 2010-03-03 Jakub Jelinek <jakub@redhat.com>
5852 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
5853 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
5854 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
5855 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
5858 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
5859 fallthrough to default handling, just with want_address 0 instead of 2.
5860 For single element lists, add_AT_loc directly, otherwise create an
5861 artificial variable DIE and stick location list to it.
5864 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
5865 (VAL_EXPR_HAS_REVERSE): Define.
5866 (reverse_op): New function.
5867 (add_stores): For reversible operations add an extra MO_VAL_USE.
5869 2010-03-02 Jason Merrill <jason@redhat.com>
5871 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
5873 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
5875 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
5876 (sparc64-*-linux*): Likewise.
5877 (sparc64-*-solaris2*): Include assembler files before linker ones.
5878 (sparc-*-solaris2*): Simplify and reorder to match previous case.
5879 * config/sparc/gas.h: Delete.
5880 * config/sparc/sol2-64.h: Add copyright notice.
5881 * config/sparc/sol2-gas-bi.h: Likewise.
5882 * config/sparc/sol2-gld.h: Likewise.
5883 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
5884 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
5885 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
5886 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
5887 (sparc_elf_asm_named_section): Rename into...
5888 (sparc_solaris_elf_asm_named_section): ...this. Always define.
5890 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
5892 * config/alpha/alpha.c (override_options): Fix -mtune error message.
5894 2010-03-02 Jeff Law <law@redhat.com>
5897 * reload1.c (rtx_p, substitute_stack): Declare.
5898 (substitute): Record addresses of changed rtxs.
5899 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
5900 Restore the original rtx when complete.
5901 (reload): Free subsitute_stack when complete.
5903 2010-03-02 Janis Johnson <janis187@us.ibm.com>
5905 * doc/gccint.texi (menu): Add Testsuites as a chapter.
5906 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
5908 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
5909 LTO Testing, gcov Testing, profopt Testing, compat Testing,
5910 Torture Tests): Change from subsection to section.
5912 2010-03-02 Jakub Jelinek <jakub@redhat.com>
5913 Steven Bosscher <steven@gcc.gnu.org>
5915 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
5918 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
5921 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
5922 the assignment from the new induction variable to the assignment
5923 of the value from the original loop PHI function.
5925 2010-03-01 Janis Johnson <janis187@us.ibm.com>
5926 Daniel Jacobowitz <dan@codesourcery.com>
5928 * doc/sourcebuild.texi (Test directives): Clarify options to
5931 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5933 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
5934 Disable cfi directives unless GCC and gas agree on using read-only
5935 .eh_frame sections for 64-bit.
5936 * configure: Regenerate.
5938 2010-03-01 Richard Guenther <rguenther@suse.de>
5940 PR tree-optimization/43220
5941 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
5942 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
5944 2010-03-01 Richard Guenther <rguenther@suse.de>
5945 Martin Jambor <mjambor@suse.cz>
5948 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
5949 gimplified parameters.
5951 2010-03-01 Christian Bruel <christian.bruel@st.com>
5953 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
5955 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
5957 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
5959 2010-03-01 Richard Guenther <rguenther@suse.de>
5962 * expr.c (expand_assignment): Use the alias-oracle to tell
5963 if the rhs aliases the result decl.
5965 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5968 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
5969 to sol_gt_pch_get_address.
5970 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
5971 64-bit, SPARC and x86.
5972 (sol_gt_pch_get_address): New function.
5974 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
5976 * toplev.h (inform_n, error_n): Declare.
5977 * diagnostic.c (inform_n, error_n): New function.
5979 2010-03-01 Jakub Jelinek <jakub@redhat.com>
5981 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
5982 has no rtl yet when processing local_decls, queue it and recheck
5983 if deferred stack allocation hasn't assigned it rtl.
5985 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
5987 * config/sh/sh.c (unspec_bbr_uid): New.
5988 (gen_block_redirect): Use it instead of INSN_UID.
5989 (gen_far_branch): Likewise.
5991 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
5993 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
5994 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
5996 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5998 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
5999 (Warning Options): -Wno-conversion-null is valid for
6000 Objective-C++ as well.
6001 * doc/tm.texi (Named Address Spaces): Likewise.
6002 * doc/plugins.texi (Plugins): Replace TABs with spaces.
6003 * doc/tree-ssa.texi (Tree SSA): Likewise.
6005 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
6008 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
6009 by default. Don't set the default arch for
6010 i[34567]86-*-darwin*|x86_64-*-darwin*.
6012 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
6015 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
6016 default. Set the default 32bit/64bit archs with $with_arch
6017 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
6019 2010-02-27 Richard Guenther <rguenther@suse.de>
6021 PR tree-optimization/43186
6022 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
6023 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
6024 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
6025 unroller iterations.
6027 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
6029 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
6030 required and i[34567]86-*-* targets don't support 64bit ISA.
6032 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
6035 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6038 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
6040 * config.gcc: Set the default arch at least to Prescott for
6041 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
6042 if SSE math is enabled.
6044 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6046 * diagnostic.c (diagnostic_initialize): Update.
6047 (diagnostic_report_diagnostic): Test inhibit_notes_p for
6049 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
6050 (diagnostic_inhibit_notes): New.
6051 * toplev.c (process_options): inhibit notes with -fcompare-debug.
6053 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6056 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
6057 * doc/standards.texi: Likewise.
6058 * doc/extend.texi: Likewise.
6059 * doc/trouble.texi: Likewise.
6060 * doc/cppopts.texi: Likewise.
6061 * doc/install.texi: Likewise.
6062 * c.opt (std=c90,std=gnu90): New options.
6063 * c-opts.c (c_common_handle_option): Handle them.
6065 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6068 * c-decl.c (undeclared_variable): Use an informative note.
6070 2010-02-26 Richard Guenther <rguenther@suse.de>
6072 PR tree-optimization/43186
6073 * gimple.h (gimple_fold): Remove.
6074 * gimple.c (gimple_fold): Remove. Inline into single user ...
6075 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
6076 Try harder for conditions.
6078 2010-02-26 Jakub Jelinek <jakub@redhat.com>
6081 * function.c (used_types_insert): Don't skip through named pointer
6082 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
6083 and it is different from the main variant's type.
6085 2010-02-26 Nick Clifton <nickc@redhat.com>
6087 * config/rx/rx.md (sminsi3): Remove bogus alternative.
6089 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
6091 * config.gcc: Support --with-fpmath=sse for x86.
6093 * config/i386/ssemath.h: New.
6095 * doc/install.texi (--with-fpmath=sse): Documented.
6097 2010-02-26 Richard Guenther <rguenther@suse.de>
6099 PR tree-optimization/43188
6100 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
6101 vector types of over-aligned element type.
6103 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
6106 * config/i386/i386.c (expand_vec_perm_blend): Use correct
6107 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
6109 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
6111 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
6113 2010-02-26 Jakub Jelinek <jakub@redhat.com>
6115 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
6116 * var-tracking.c: Include diagnostic.h.
6117 (debug_dv): New function.
6118 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
6121 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
6122 (add_value_chain, add_value_chains, remove_value_chain,
6123 remove_value_chains): Handle DEBUG_EXPRs.
6124 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
6127 * regcprop.c (struct queued_debug_insn_change): New type.
6128 (struct value_data_entry): Add debug_insn_changes field.
6129 (struct value_data): Add n_debug_insn_changes field.
6130 (debug_insn_changes_pool): New variable.
6131 (free_debug_insn_changes, apply_debug_insn_changes,
6132 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
6133 (kill_value_one_regno): Call free_debug_insn_changes if needed.
6134 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
6136 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
6138 (copyprop_hardreg_forward_1): Don't call apply_change_group for
6139 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
6140 changes, call cprop_find_used_regs via note_stores.
6141 (copyprop_hardreg_forward): When copying vd from predecessor
6142 which has any queued DEBUG_INSN changes, make sure the pointers are
6143 cleared. At the end call df_analyze and then if there are any
6144 DEBUG_INSN changes queued at the end of some basic block for still
6145 live registers, apply them.
6146 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
6148 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
6150 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
6153 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
6155 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
6156 targets. Set the default with_cpu/with_arch from arch/cpu.
6157 Allow x86-64 and native for with_cpu/with_arch.
6159 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
6161 * ebitmap.c: Change calls to verify_popcount with calls to
6162 sbitmap_verify_popcount.
6163 (ebitmap_clear_bit): Fixed map->cacheindex test and
6164 map>cache update when bit clearing results in an empty
6167 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
6170 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
6171 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
6172 and support both V2DF and V2DI modes.
6173 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
6174 support both V2DF and V2DI modes.
6175 (general): Delete trailing whitespace from a few patterns.
6177 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
6178 V2DF/V2DI interleave high/low builtins.
6180 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
6183 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
6184 interleave high/low functions.
6186 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
6188 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
6189 #pragma extern_prefix.
6191 2010-02-25 Jakub Jelinek <jakub@redhat.com>
6194 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
6195 BLKmode, assert op0 is a MEM and just adjust its mode.
6198 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
6199 if bitpos isn't multiple of mode's bitsize.
6201 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
6203 * c.opt (-ftemplate-depth=): New.
6204 (-ftemplate-depth-): Deprecate.
6205 * optc-gen.awk: Handle -ftemplate-depth=.
6206 * opth-gen.awk: Likewise.
6207 * c-opts.c (c_common_handle_option): Likewise.
6208 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
6210 2010-02-24 Jason Merrill <jason@redhat.com>
6212 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
6214 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6216 * cfg.c (alloc_aux_for_block): Remove inline.
6217 (alloc_aux_for_edge): Likewise.
6219 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6221 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
6223 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6225 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
6226 * config/i386/sol2-gas.h: New file.
6227 * config.gcc (i[34567]86-*-solaris2*): Use it.
6229 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
6232 * c-typeck.c (ep_convert_and_check): New.
6233 (build_conditional_expr): Use it.
6234 (build_binary_op): Likewise.
6236 2010-02-24 Jakub Jelinek <jakub@redhat.com>
6238 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
6241 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
6242 bounds even for -O+.
6243 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
6244 expr needs to have DECL_NAME set.
6246 2010-02-24 Nick Clifton <nickc@redhat.com>
6248 * config/mep/mep.c: Include gimple.h.
6249 (mep_function_uses_sp): Delete unused function.
6250 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
6251 parameters. Use unsigned integers to count args. Return a
6252 NULL_RTX instead of an error_mark_node. Toidy up formatting.
6254 2010-02-23 Jakub Jelinek <jakub@redhat.com>
6257 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
6258 greater or equal to nelt instead of 2 * nelt.
6259 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
6262 2010-02-23 Jason Merrill <jason@redhat.com>
6265 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
6266 in cfun->local_decls even if they have register types.
6269 * stor-layout.c (place_field): Don't warn about unnecessary
6270 DECL_PACKED if the type is packed.
6272 2010-02-23 Jakub Jelinek <jakub@redhat.com>
6275 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
6276 GOTOFF relocs, even when the base reg isn't pic pointer.
6278 2010-02-23 Michael Matz <matz@suse.de>
6281 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
6282 (expand_gimple_basic_block): Generate and use debug temps if there
6283 are debug uses left after the last real use of TERed ssa names.
6284 Unlink debug immediate uses when they are expanded.
6286 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
6289 * config/i386/i386.c (override_options): Reorganise to provide
6290 better error messages.
6292 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6295 * graphite-scop-detection.c (create_single_exit_edge): Move
6296 the call to find_single_exit_edge to....
6297 (create_sese_edges): ...here. Don't handle multiple edges
6298 exiting the function.
6299 (build_graphite_scops): Don't handle multiple edges
6300 exiting the function.
6302 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6305 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
6306 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
6308 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6311 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
6313 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
6316 * c-typeck.c (convert_arguments): Print declaration location.
6317 * c-common.c (validate_nargs): Rename as
6318 builtin_function_validate_nargs.
6319 (check_builtin_function_arguments): Update.
6321 2010-02-22 Richard Guenther <rguenther@suse.de>
6324 * tree-inline.c (declare_return_variable): Use the type of
6325 the call stmt lhs if available.
6327 2010-02-22 Duncan Sands <baldrick@free.fr>
6329 * passes.c (register_pass): Always consider all pass lists when
6330 ref_pass_instance_number is zero.
6332 2010-02-22 Richard Guenther <rguenther@suse.de>
6334 PR tree-optimization/42749
6335 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
6336 parameter. Do arithmetic in the original type.
6337 (update_accumulator_with_ops): Likewise.
6338 (adjust_accumulator_values): Adjust.
6340 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6342 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
6343 (QI to BLKmode splitter): New splitter.
6345 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
6347 * config/i386/i386.c (initial_ix86_tune_features): Turn on
6348 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
6350 2010-02-22 Richard Guenther <rguenther@suse.de>
6352 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
6354 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
6356 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
6357 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
6358 ($(T)crti.o, $(T)crtn.o): Remove rules.
6360 2010-02-21 Tobias Burnus <burnus@net-b.de>
6363 * doc/invoke.texi (-fassociative-math): Document that this
6364 option is automatically enabled for Fortran.
6366 2010-02-20 David S. Miller <davem@davemloft.net>
6368 * configure.ac: Test if linker and assembler properly support
6369 GOTDATA_OP relocations.
6370 * configure: Rebuild.
6371 * config.in: Likewise.
6372 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
6373 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
6374 (movsi_high_pic): Likewise.
6375 (movdi_lo_sum_pic): Likewise.
6376 (movdi_high_pic): Likewise.
6377 (movsi_pic_gotdata_op): New pattern.
6378 (movdi_pic_gotdata_op): Likewise.
6379 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
6380 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
6382 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
6385 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
6386 attribute to ssemul.
6387 (xop_mulv2div2di3_high): Ditto.
6389 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
6392 * c.opt (Wconversion-null): New option.
6393 * doc/invoke.texi (Wconversion-null): Document.
6395 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
6397 * common.opt (Wlarger-than-): Add Undocumented.
6399 2010-02-19 Mike Stump <mikestump@comcast.net>
6401 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
6403 2010-02-19 Jason Merrill <jason@redhat.com>
6406 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
6407 * configure: Likewise.
6409 2010-02-20 Alan Modra <amodra@gmail.com>
6412 * cgraph.h (cgraph_make_decl_local): Declare.
6413 * cgraph.c (cgraph_make_decl_local): New function.
6414 (cgraph_make_node_local): Use it.
6415 * cgraphunit.c (cgraph_function_versioning): Likewise.
6416 * ipa.c (function_and_variable_visibility): Likewise.
6418 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6421 * except.c (sjlj_emit_function_enter): Don't call
6422 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
6424 * rtl.h (add_reg_br_prob_note): Remove prototype.
6426 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
6429 * c-common.c (conversion_warning): Remove widening conversions
6430 before checking the conversion of integers to reals.
6432 2010-02-19 Mike Stump <mikestump@comcast.net>
6435 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
6438 * cgraphunit.c (process_function_and_variable_attributes): Check
6439 DECL_PRESERVE_P instead of looking up attribute "used".
6440 * ipa-pure-const.c (check_decl): Likewise.
6441 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
6442 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
6443 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
6444 instead of attribute "used".
6445 * config/sol2-c.c (solaris_pragma_init): Likewise.
6446 (solaris_pragma_fini): Likewise.
6448 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6450 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
6451 Use XCNEW instead of xcalloc.
6452 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
6453 XNEW instead of xmalloc.
6454 (get_fields): Use XNEWVEC instead of xmalloc.
6457 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
6458 populate vars array.
6459 (create_new_general_access): For debug stmts just reset value.
6460 (get_stmt_accesses): For accesses within debug stmts just record them
6461 using add_access_to_acc_sites instead of preventing the peeling or
6462 counting them as accesses.
6465 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
6467 2010-02-19 Richard Guenther <rguenther@suse.de>
6469 PR tree-optimization/42916
6470 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
6473 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
6475 * configure.ac: Replace all uses of changequote in macro arguments
6476 with proper quoting.
6478 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6481 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
6483 2010-02-19 Richard Guenther <rguenther@suse.de>
6485 PR tree-optimization/42944
6486 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
6487 test for aliasing with errno.
6489 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6492 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
6493 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
6494 * dojump.c: Include output.h.
6495 (inv): New inline function.
6496 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
6497 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
6498 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
6499 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
6500 argument, pass it down to other calls.
6501 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
6502 add REG_BR_PROB note to the conditional jump.
6503 * cfgexpand.c (add_reg_br_prob_note): Removed.
6504 (expand_gimple_cond): Don't call it, add the probability
6505 as last argument to jumpif_1/jumpifnot_1.
6506 * Makefile.in (dojump.o): Depend on output.h.
6507 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
6509 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
6510 * stmt.c (do_jump_if_equal): Likewise.
6511 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
6512 * loop-unswitch.c (compare_and_jump_seq): Likewise.
6513 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
6515 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
6516 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
6517 jumpifnot_1 callers.
6518 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
6520 (store_expr): Adjust jumpifnot caller.
6521 (store_constructor): Adjust jumpif caller.
6524 * gimplify.c (gimple_boolify): For __builtin_expect call
6525 gimple_boolify also on its first argument.
6527 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
6529 * configure.ac (gnu-unique-object): Wrap regexps using [] in
6531 (__stack_chk_fail): Ditto. Remove quadrigraphs.
6532 * configure: Regenerated.
6534 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
6536 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
6537 lang_hooks.types_compatible_p instead of comptypes.
6539 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
6541 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
6542 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
6543 if __prefer_thumb__ is defined.
6545 2010-02-18 Martin Jambor <mjambor@suse.cz>
6547 PR tree-optimization/43066
6548 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
6549 array with zero-sized element type.
6551 2010-02-18 Jakub Jelinek <jakub@redhat.com>
6553 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
6554 rtx, allocate struct var_loc_node here and return it to the
6555 caller, and only if it is actually needed.
6556 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
6557 move it earlier and return immediately if it returns NULL.
6559 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
6561 * config/sparc/gas.h: New file. Restore
6562 TARGET_ASM_NAMED_SECTION to its ELF default.
6563 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
6565 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6566 Likewise. Add ATTRIBUTE_UNUSED to prototype.
6567 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
6568 after sparc/sysv4.h.
6570 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
6572 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
6574 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
6576 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
6577 patterns from predicated pattern.
6579 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
6582 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
6583 for insn mnemonic suffix.
6585 2010-02-17 Richard Guenther <rguenther@suse.de>
6587 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
6590 2010-02-17 Jakub Jelinek <jakub@redhat.com>
6593 * caller-save.c (save_call_clobbered_regs): If BB ends with
6594 a DEBUG_INSN, move any notes in between last real insn and the last
6595 DEBUG_INSN after the last DEBUG_INSN.
6597 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
6599 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
6600 Fix return type. Fix argument type. Explain meaning of return value.
6602 2010-02-16 Richard Guenther <rguenther@suse.de>
6604 PR tree-optimization/41043
6605 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
6606 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
6608 (vrp_visit_phi_node): ... but only for loop PHI nodes.
6610 2010-02-16 Ira Rosen <irar@il.ibm.com>
6612 PR tree-optimization/43074
6613 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
6614 * tree-vect-loop.c (vect_analyze_loop_operations): Add
6615 vectorizable cycles in hybrid SLP check.
6616 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
6618 2010-02-16 Richard Guenther <rguenther@suse.de>
6620 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
6621 (true_dependence): If memrefs_conflict_p computes must-alias
6622 trust it. Move TBAA check after offset-based disambiguation.
6623 (canon_true_dependence): Likewise.
6625 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
6627 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
6628 * doc/invoke.texi: Document it.
6629 * var-tracking.c: Include toplev.h and params.h.
6630 (vt_find_locations): Return bool indicating success. Compute
6631 hash sizes unconditionally. Check new parameter, report.
6632 (variable_tracking_main_1): Check vt_find_locations results and
6633 retry. Renamed from...
6634 (variable_tracking_main): ... this. New wrapper to preserve
6635 flag_var_tracking_assignments.
6636 * Makefile.in (var-tracking.o): Adjust dependencies.
6638 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
6639 Jakub Jelinek <jakub@redhat.com>
6642 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
6643 if weak_import attribute is present.
6644 * config/darwin.c (machopic_select_section): Likewise.
6646 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
6648 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
6649 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
6650 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
6651 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
6653 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
6656 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
6659 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
6660 Rewrite text to refer to the names.
6662 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
6664 * config/i386/i386-builtin-types.def
6665 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
6666 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
6667 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
6668 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
6669 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
6670 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
6671 IX86_BUILTIN_VPERMIL2PS256.
6672 (MULTI_ARG_4_DF2_DI_I): Defined.
6673 (MULTI_ARG_4_DF2_DI_I1): Defined.
6674 (MULTI_ARG_4_SF2_SI_I): Defined.
6675 (MULTI_ARG_4_SF2_SI_I1): Defined.
6676 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
6677 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
6678 __builtin_ia32_vpermil2ps256.
6679 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6680 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6681 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
6682 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6683 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6684 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
6685 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
6686 CODE_FOR_xop_vpermil2v8sf3.
6687 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
6688 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
6689 * config/i386/xopintrin.h (_mm_permute2_pd): New.
6690 (_mm256_permute2_pd): New.
6691 (_mm_permute2_ps): New.
6692 (_mm256_permute2_ps): New.
6694 2010-02-15 Nick Clifton <nickc@redhat.com>
6696 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
6697 boolean parameters. Use emit_jump_insn when emitting a pop
6698 instruction containing a return insn.
6699 (push): Use 'true' rather than '1' as second parameter to F.
6700 (h8300_expand_prologue): Likewise.
6701 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
6702 (h8300_expand_epilogue): Likewise.
6704 2010-02-15 Richard Guenther <rguenther@suse.de>
6707 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
6710 2010-02-15 Nick Clifton <nickc@redhat.com>
6712 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
6715 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
6717 * intl.c (fake_ngettext): New function.
6718 * intl.h (fake_ngettext): Declare.
6719 (ngettext): Define macro.
6720 * collect2.c (notice_translated): New function.
6721 (main): Use notice_translated and ngettext.
6722 * collect2.h (notice_translated): Declare.
6724 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
6726 * reorg.c (delete_computation): Comment fixes.
6727 * caller-save.c (setup_save_areas): Idem.
6728 * sel-sched-dump.c (dump_lv_set): Idem.
6731 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6733 * config/s390/s390.c (s390_sched_init): New function.
6734 (TARGET_SCHED_INIT): Target hook defined.
6736 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
6737 Jack Howarth <howarth@bromo.med.uc.edu>
6738 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
6741 Partial revert of unintended change in fix for PR41605.
6742 * config/darwin.h: Fix typo.
6743 * config/darwin9.h: Same.
6745 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6747 * c-pch.c (pch_init): Clear v.
6749 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6752 * graphite-scop-detection.c (graphite_can_represent_scev): Call
6753 graphite_can_represent_init for MULT_EXPR.
6755 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6759 * graphite-sese-to-poly.c (remove_phi): New.
6760 (translate_scalar_reduction_to_array): Call remove_phi.
6762 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6765 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
6766 * graphite-clast-to-gimple.h (gloog): Update declaration.
6767 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
6768 * graphite-poly.h (struct poly_bb): Add missing comments.
6769 (struct scop): Add poly_scop_p field.
6771 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
6772 * graphite.c (graphite_transform_loops): Build the polyhedral
6773 representation for each scop before code generation.
6774 * sese.c (rename_variables_in_operand): Removed.
6775 (rename_variables_in_expr): Return the renamed expression.
6776 (rename_sese_parameters): New.
6777 * sese.h (rename_sese_parameters): Declared.
6779 2010-02-11 Richard Guenther <rguenther@suse.de>
6781 PR tree-optimization/42998
6782 * tree-ssa-pre.c (create_expression_by_pieces): Treat
6783 POINTER_PLUS_EXPR properly.
6785 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6786 Changpeng Fang <changpeng.fang@amd.com>
6789 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
6790 the cost of an IV candidate when the IV is used in a test against zero.
6792 * gcc.dg/tree-ssa/ivopts-3.c: New.
6794 2010-02-11 Richard Guenther <rguenther@suse.de>
6797 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
6798 pointer-vs-decl case by swapping refs. Handle some cases
6799 of pointer-vs-decl disambiguations more conservatively.
6800 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
6801 to false after expanding.
6803 2010-02-11 Richard Guenther <rguenther@suse.de>
6806 * gcc.c (process_command): Handle LTO file@offset case more
6809 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6811 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
6812 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
6814 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
6816 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
6817 if MEM's mode size isn't DWARF2_ADDR_SIZE.
6818 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
6819 Optimize eq/ne comparisons when both arguments are known to be
6821 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
6822 Don't mask operands unnecessarily if they are known to be already
6825 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
6827 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
6830 2010-02-10 Richard Guenther <rguenther@suse.de>
6832 PR tree-optimization/43017
6833 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
6834 for wrapping signed arithmetic.
6836 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6839 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
6840 if no debug info should be emitted for it.
6842 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
6844 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
6845 note when flag_exceptions is set.
6847 2010-02-10 Duncan Sands <baldrick@free.fr>
6849 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
6851 2010-02-10 Richard Guenther <rguenther@suse.de>
6854 * tree.c (get_unwidened): Handle constants.
6855 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
6857 2010-02-10 Martin Jambor <mjambor@suse.cz>
6860 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
6861 check for variable argument counts independently.
6863 2010-02-10 Christian Bruel <christian.bruel@st.com>
6866 * config/sh/sh.c (find_barrier): Increase length for non delayed
6867 conditional branches.
6869 2010-02-10 Christian Bruel <christian.bruel@st.com>
6871 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
6873 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6875 * builtins.c (set_builtin_user_assembler_name): Also handle
6876 ffs if int is smaller than word.
6878 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
6881 * ira-conflicts.c (get_dup): Remove.
6882 (process_reg_shuffles): Add new parameter. Use it as an
6883 additional guard for copy generation.
6884 (add_insn_allocno_copies): Rewrite.
6886 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
6888 * common.opt (fsched2-use-traces): Preserved for backward
6890 * doc/invoke.texi: Remove the documentation about option
6891 -fsched2-use-traces.
6892 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
6893 flag_sched2_use_traces.
6894 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
6895 the backward compatibility flag section.
6897 2010-02-09 Richard Guenther <rguenther@suse.de>
6899 PR tree-optimization/43008
6900 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
6901 make HEAP variables initialized from global memory if they
6902 are not known builtin functions.
6903 (find_func_aliases): Adjust.
6905 2010-02-09 Richard Guenther <rguenther@suse.de>
6907 PR tree-optimization/43000
6908 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
6909 arithmetic manually.
6911 2010-02-08 Jakub Jelinek <jakub@redhat.com>
6913 PR tree-optimization/42931
6914 * tree-loop-linear.c (try_interchange_loops): Don't call
6915 double_int_mul if estimated_loop_iterations failed.
6917 2010-02-08 Martin Jambor <mjambor@suse.cz>
6920 * tree-sra.c (build_accesses_from_assign): Do not mark in
6921 should_scalarize_away_bitmap if stmt has volatile ops.
6922 (sra_modify_assign): Do not process assigns piecemeal if if stmt
6925 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
6927 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
6929 2010-02-07 Adam Nemet <adambnmet@gmail.com>
6931 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
6934 2010-02-07 Andrew Pinski <pinskia@gmail.com>
6937 * df-core.c (df_finish_pass): Change type of saved_flags to int.
6939 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6942 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
6943 to unknown_dependence.
6944 (graphite_legal_transform_dr): Handle the unknown_dependence.
6945 (graphite_carried_dependence_level_k): Same.
6947 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6949 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
6951 2010-02-07 Richard Guenther <rguenther@suse.de>
6954 * expr.c (get_inner_reference): Always initialize *pbitsize.
6956 2010-02-07 Richard Guenther <rguenther@suse.de>
6959 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
6960 new ARRAY_REFs on variable size element or minimal index arrays.
6962 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
6963 gimple_fold_indirect_ref.
6965 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
6968 * arm.c (arm_override_options): Just return if the user has specified
6969 an invalid fpu name.
6971 2010-02-03 Jason Merrill <jason@redhat.com>
6974 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
6975 i386_pe_maybe_record_exported_symbol.
6977 2010-02-05 Steve Ellcey <sje@cup.hp.com>
6980 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6981 (pa_delegitimize_address): New function.
6983 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
6985 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
6986 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
6988 2010-02-05 Richard Guenther <rguenther@suse.de>
6991 * lto-streamer-in.c (get_resolution): Deal with references
6992 to undefined functions.
6994 2010-02-05 Richard Guenther <rguenther@suse.de>
6996 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
6997 (fold_const_aggregate_ref): Likewise.
6998 (ccp_fold_stmt): Substitute loads.
6999 (maybe_fold_reference): Verify types before substituting.
7001 (fold_gimple_assign): Unshare properly.
7002 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
7004 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
7006 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
7007 for rs6000_gen_cell_microcode.
7009 2010-02-04 Richard Guenther <rguenther@suse.de>
7011 PR rtl-optimization/42952
7012 * dse.c (const_or_frame_p): Remove MEM handling.
7014 2010-02-04 Nick Clifton <nickc@redhat.com>
7016 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
7017 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
7018 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
7019 (mn10300_asm_output_mi_thunk): New function.
7020 (mn10300_can_output_mu_thunk): New function.
7021 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
7022 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
7023 (FUNCTION_ARG): Delete incorrect comment.
7025 2010-02-03 Jason Merrill <jason@redhat.com>
7028 * fold-const.c (operand_equal_p): Handle erroneous types.
7030 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
7032 * config/h8300/h8300.md (can_delay): Fix attibute condition.
7034 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
7036 PR rtl-optimization/42941
7037 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
7040 2010-02-03 Jason Merrill <jason@redhat.com>
7043 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
7045 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
7048 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
7049 (cselib_reset_table): Renamed from...
7050 (cselib_reset_table_with_next_value): ... this.
7051 (cselib_get_next_uid): Renamed from...
7052 (cselib_get_next_unknown_value): ... this.
7053 * cselib.c (next_uid): Renamed from...
7054 (next_unknown_value): ... this.
7055 (cselib_clear_table): Adjust.
7056 (cselib_reset_table): Adjust. Renamed from...
7057 (cselib_reset_table_with_next_value): ... this.
7058 (cselib_get_next_uid): Adjust. Renamed from...
7059 (cselib_get_next_unknown_value): ... this.
7060 (get_value_hash): Use hash.
7061 (cselib_hash_rtx): Likewise.
7062 (new_cselib_val): Adjust. Set and dump uid.
7063 (cselib_lookup_mem): Pass next_uid as hash.
7064 (cselib_subst_to_values): Likewise.
7065 (cselib_log_lookup): Dump uid.
7066 (cselib_lookup): Pass next_uid as hash. Adjust.
7067 (cselib_process_insn): Adjust.
7068 (cselib_init): Initialize next_uid.
7069 (cselib_finish): Adjust.
7070 (dump_cselib_table): Likewise.
7071 * dse.c (canon_address): Dump value uid.
7072 * print-rtl.c (print_rtx): Print value uid.
7073 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
7075 (dv_uid): New function, sort of renamed from...
7076 (dv_htab_hash): ... this, reimplemented in terms of it and...
7077 (dv_uid2hash): ... this. New.
7078 (variable_htab_eq): Drop excess assertions.
7079 (tie_break_pointers): Removed.
7080 (canon_value_cmp): Compare uids.
7081 (variable_post_merge_New_vals): Print uids.
7082 (vt_add_function_parameters): Adjust.
7083 (vt_initialize): Reset table. Adjust.
7085 2010-02-03 Richard Guenther <rguenther@suse.de>
7087 PR tree-optimization/42944
7088 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
7089 (call_may_clobber_ref_p_1): Likewise. Properly handle
7090 malloc and calloc clobbering errno.
7092 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
7094 * doc/invoke.texi: Fix name of sched1 dump.
7096 * opts.c (decode_options): Set flag_tree_switch_conversion
7097 only conditionally on optimize >= 2.
7099 * gcse.c: Assorted comment fixes in pass description.
7101 2010-02-03 Anthony Green <green@moxielogic.com>
7103 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
7104 nop padding in order to maintain alignment of storage location of
7105 target function address.
7106 (moxie_trampoline_init): Store target function address at newly
7108 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
7110 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
7112 2010-02-03 Richard Guenther <rguenther@suse.de>
7115 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
7117 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7119 * config.gcc: Reenable check for obsolete targets.
7120 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
7121 mips-sgi-irix6.[0-4]*.
7123 2010-02-02 Nick Clifton <nickc@redhat.com>
7125 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
7126 constant size of 4 as being the same as 0.
7127 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
7128 can take values in the range 0..4.
7130 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
7133 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
7134 as _darwin10_Unwind_FindEnclosingFunction().
7135 * libgcc-libsystem.ver: New.
7137 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
7140 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
7141 implicitly set registers.
7143 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
7145 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
7146 (arm_override_options): Allow automatic selection of the thread
7147 pointer register if thumb2.
7148 (legitimize_pic_address): Improve code sequences for Thumb2.
7149 (arm_call_tls_get_addr): Likewise.
7150 (legitimize_tls_address): Likewise.
7151 * arm.md (pic_load_addr_arm): Delete. Replace with ...
7152 (pic_load_addr_32bit): ... this. New named pattern.
7153 * thumb2.md (pic_load_addr_thumb2): Delete.
7154 (pic_load_dot_plus_four): Delete.
7155 (tls_load_dot_plus_four): New named pattern.
7157 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7160 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
7161 Document fix for TLS bug.
7163 2010-01-31 Richard Guenther <rguenther@suse.de>
7165 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
7166 conservatively correct.
7168 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7172 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7174 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7176 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7178 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
7180 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
7182 * config.gcc: Adjust order of makefile fragments for mingw targets.
7184 2010-01-31 Richard Guenther <rguenther@suse.de>
7187 * gimplify.c (gimplify_init_constructor): For volatile LHS
7188 initialize a temporary.
7190 2010-01-31 Matthias Klose <doko@ubuntu.com>
7192 * configure.ac: Fix __stack_chk_fail check for cross builds configured
7194 * configure: Regenerate.
7196 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
7198 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
7199 the same alias set and their sizes different constantness.
7200 (aliasing_component_refs_p): Revert 2009-10-24 change.
7202 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7204 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
7207 2010-01-29 Richard Guenther <rguenther@suse.de>
7209 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
7210 Assert we successfully updated the call.
7212 2010-01-29 Jakub Jelinek <jakub@redhat.com>
7214 PR rtl-optimization/42889
7215 * df.h (df_set_bb_dirty_nonlr): New prototype.
7216 * df-core.c (df_set_bb_dirty_nonlr): New function.
7217 * df-scan.c (df_insn_rescan): Call it instead of
7218 df_set_bb_dirty for DEBUG_INSNs.
7220 2010-01-29 Richard Guenther <rguenther@suse.de>
7223 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
7224 quadratic behavior in most cases.
7226 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
7229 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
7230 in the call to gen_x86_movsicc_0_m1.
7232 2010-01-28 Richard Guenther <rguenther@suse.de>
7234 PR tree-optimization/42871
7235 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
7237 2010-01-28 Richard Guenther <rguenther@suse.de>
7239 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
7240 into call arguments.
7242 2010-01-28 Richard Guenther <rguenther@suse.de>
7245 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
7246 the forwarder if the destination is an EH landing pad.
7248 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
7250 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
7251 block list passed to gimple_duplicate_sese_tail.
7252 (parallelize_loops): Avoid parallelization when the function
7254 Avoid parallelization when the preheader is IRREDUCIBLE.
7255 Try to optimize when estimated_loop_iterations_int is unresolved.
7256 Add the loop's location to the dump file.
7257 * tree-cfg.c (add_phi_args_after_redirect): Remove.
7258 (gimple_duplicate_sese_tail): Remove the check for the latch.
7259 Redirect nexits to the exit block.
7260 Remove handling of the incoming edges to the latch.
7261 Redirect the backedge from the copied latch to the exit bb.
7263 2010-01-28 Michael Matz <matz@suse.de>
7266 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
7267 Wrap force_reg into a sequence, emit it before user.
7269 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
7271 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
7273 (arm_legacy_rev): Likewise.
7274 (thumb_legacy_rev): Likewise.
7276 2010-01-27 Jakub Jelinek <jakub@redhat.com>
7278 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
7279 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
7280 on MEM's address failed, try avoid_constant_pool_reference and
7281 recurse if it returned something different.
7282 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
7283 address, try avoid_constant_pool_reference and recurse if it
7284 returned something different.
7285 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
7286 address and avoid_constant_pool_reference returned something
7287 different, don't set have_address.
7289 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
7292 * var-tracking.c (val_store): Add modified argument, obey it.
7294 (count_uses): Move down logging of main.
7295 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
7296 don't need resolution.
7297 (emit_notes_in_bb): Likewise.
7299 2010-01-27 Richard Guenther <rguenther@suse.de>
7302 * tree-inline.c (remap_decl): Delay remapping of SSA name
7303 default definitions until we need them.
7305 2010-01-27 Jakub Jelinek <jakub@redhat.com>
7307 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
7308 (rs6000_delegitimize_address): New function.
7310 * config/s390/s390.c (s390_delegitimize_address): Call
7311 delegitimize_mem_from_attrs.
7314 * tree-inline.c (cannot_copy_type_1): Removed.
7315 (copy_forbidden): Don't forbid copying of functions containing
7316 records/unions with variable length fields.
7318 2010-01-27 Christian Bruel <christian.bruel@st.com>
7322 * config/sh/sh.c (find_barrier): Increase length for non delayed
7323 conditional branches.
7325 2010-01-27 Matthias Klose <doko@ubuntu.com>
7327 * configure.ac (gnu-unique-object): Fix ldd version check.
7328 * configure: Regenerate.
7330 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7332 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
7334 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
7335 Test for HAVE_GNU_AS value.
7337 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7339 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
7340 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
7341 INT64_TYPE): Define.
7342 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
7343 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7344 INT_LEAST64_TYPE): Define.
7345 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
7346 UINT_LEAST64_TYPE): Define.
7347 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
7348 INT_FAST64_TYPE): Define.
7349 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7350 UINT_FAST64_TYPE): Define.
7351 (INTMAX_TYPE, UINTMAX_TYPE): Define.
7352 (INTPTR_TYPE, UINTPTR_TYPE): Define.
7353 (SIG_ATOMIC_TYPE): Define.
7355 2010-01-26 Richard Guenther <rguenther@suse.de>
7357 * df-scan.c (df_scan_set_bb_info): Remove assert.
7358 (df_insn_rescan_debug_internal): Merge asserts.
7359 (df_install_ref): Likewise.
7360 (df_mark_reg): Use bitmap_set_range.
7361 (df_hard_reg_used_p): Remove assert.
7362 (df_hard_reg_used_count): Likewise.
7364 2010-01-26 Richard Guenther <rguenther@suse.de>
7366 PR rtl-optimization/42685
7367 * web.c (web_main): Ignore DEBUG_INSNs.
7369 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
7371 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
7373 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
7374 Fix types of fndecl and arglist parameters.
7376 2010-01-26 Richard Guenther <rguenther@suse.de>
7379 * tree-eh.c (unsplit_eh): Skip debug insns.
7381 2010-01-26 Richard Guenther <rguenther@suse.de>
7383 PR tree-optimization/42250
7384 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
7386 2010-01-26 Jakub Jelinek <jakub@redhat.com>
7389 * omp-low.c (expand_omp_sections): Only use single_pred if
7390 l2_bb is single_pred_p.
7392 2010-01-25 Christian Bruel <christian.bruel@st.com>
7395 * config/sh/sh.c (find_barrier): Increase length for non delayed
7396 conditional branches.
7397 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
7399 2010-01-24 David S. Miller <davem@davemloft.net>
7401 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
7402 define if not using GAS.
7403 * config/sparc/sparc.c (sparc_elf_asm_named_section):
7404 Likewise. Delete SECTION_MERGE code, which is only applicable
7407 2010-01-24 Mark Mitchell <mark@codesourcery.com>
7410 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
7411 mangling of va_list in system headers.
7413 2010-01-23 Toon Moene <toon@moene.org>
7415 * tree-predcom.c (combine_chains): Return NULL, not false.
7417 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
7419 * tree-loop-distribution.c (distribute_loop): Fix declaration and
7420 initialization of variable res to agree with return type.
7422 2010-01-22 Steve Ellcey <sje@cup.hp.com>
7424 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
7425 * tree-sra.c: Add include of expr.h.
7427 2010-01-22 Jakub Jelinek <jakub@redhat.com>
7429 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
7430 insert the debug stmt on the single non-EH edge from the stmt.
7432 2010-01-22 Richard Henderson <rth@redhat.com>
7435 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
7436 the RHS until after generate_subtree_copies has insertted its
7437 code before the current statement.
7439 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
7441 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
7443 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
7445 2010-01-21 Martin Jambor <mjambor@suse.cz>
7447 PR tree-optimization/42585
7448 * tree-sra.c (struct access): New field grp_total_scalarization.
7449 (dump_access): Dump the new field.
7450 (should_scalarize_away_bitmap): New variable.
7451 (cannot_scalarize_away_bitmap): Likewise.
7452 (sra_initialize): Allocate new bitmaps.
7453 (sra_deinitialize): Free new bitmaps.
7454 (create_access_1): New function.
7455 (create_access): Parts moved to create_access_1.
7456 (type_consists_of_records_p): New function.
7457 (completely_scalarize_record): Likewise.
7458 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
7459 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
7460 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
7462 (analyze_all_variable_accesses): Completely scalarize small eligible
7465 2010-01-21 Martin Jambor <mjambor@suse.cz>
7467 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
7469 2010-01-21 Andrew Haley <aph@redhat.com>
7471 * gcc.c (process_command): Move lang_specific_driver before
7472 setting cc_libexec_prefix.
7474 2010-01-21 Richard Guenther <rguenther@suse.de>
7477 * fold-const.c (negate_expr_p): Pretend only negative
7478 real constants are easily negatable.
7480 2010-01-20 Janis Johnson <janis187@us.ibm.com>
7481 Jason Merrill <jason@redhat.com>
7483 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
7484 (TYPE_TRANSPARENT_AGGR): this, for union and record.
7485 * calls.c (initialize argument_information): Handle it.
7486 * c-common.c (handle_transparent_union_attribute): Use new name.
7487 * c-decl.c (finish_struct): Ditto.
7488 * c-typeck.c (type_lists_compatible_p): Ditto.
7489 (convert_for_assignment): Use new name and also handle record.
7490 * function.c (aggregate_value_p): Handle it.
7491 (pass_by_reference): Ditto.
7492 (assign_parm_data_types): Ditto.
7493 * print-tree.c (print_node): Ditto.
7494 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
7495 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
7496 * tree.c (first_field): New fn.
7498 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
7501 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
7502 even when linking statically, for now.
7504 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7507 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
7508 without a cselib val.
7509 (count_uses): Accept MO_VAL_SET with no val on stores.
7510 (add_stores): Likewise.
7512 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7514 * var-tracking.c (check_value_val): Add a compile time assertion.
7515 (dv_is_decl_p): Simplify.
7516 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
7517 gcc_assert if ENABLE_CHECKING.
7519 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7522 * var-tracking.c: Include tree-flow.h.
7523 (mem_dies_at_call): New.
7524 (dataflow_set_preserve_mem_locs): Use it.
7525 (dataflow_set_remove_mem_locs): Likewise.
7526 (dump_var): Renamed from dump_variable. Adjust all callers.
7527 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
7528 * Makefile.in (var-tracking.o): Adjust deps.
7530 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
7532 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
7534 2010-01-20 Richard Guenther <rguenther@suse.de>
7536 PR tree-optimization/42717
7537 * tree-ssa-dce.c (get_live_post_dom): Remove.
7538 (forward_edge_to_pdom): Take an arbitrary edge to copy
7539 degenerate PHI args from.
7540 (remove_dead_stmt): Use the first post-dominator even if it
7541 does not contain live statements as redirection destination.
7543 2010-01-20 Richard Guenther <rguenther@suse.de>
7545 * tree-inline.c (estimate_num_insns): Handle EH builtins.
7547 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7549 * sel-sched.c (create_speculation_check): Remove set but not used
7551 (try_transformation_cache): Remove set but not used variable ds.
7552 (calculate_privileged_insns): Remove set but not used variables
7553 cur_insn and min_spec_insn.
7554 (find_best_expr): Remove set but not used variable avail_n.
7555 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
7557 * cgraphunit.c (assemble_thunk): Remove set but not used variable
7559 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
7560 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
7563 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
7566 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
7567 cpu types. Add support for *-sse3 cpu types.
7568 (x86_64-*-*): Ditto.
7570 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7573 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
7574 argument, call initializer_constant_valid_p_1 instead of
7575 initializer_constant_valid_p, pass CACHE to it, return NULL
7576 immediately if first call returns NULL.
7577 (initializer_constant_valid_p_1): New function.
7578 (initializer_constant_valid_p): Use it.
7580 2010-01-20 Thomas Quinot <quinot@adacore.com>
7582 * tree.def (PLACEHOLDER_EXPR): Fix comment.
7584 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7586 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
7587 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
7588 (loc_list_from_tree): Don't handle unsigned division. Handle
7589 signed modulo using DW_OP_{over,over,div,mul,minus}.
7590 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
7591 modulo instead of signed.
7593 2010-01-20 DJ Delorie <dj@redhat.com>
7595 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
7597 (h8300_emit_stack_adjustment): Propogate it.
7599 (h8300_expand_prologue): Likewise.
7600 (h8300_expand_epilogue): Likewise.
7602 2010-01-19 Michael Matz <matz@suse.de>
7604 PR tree-optimization/41783
7605 * tree-data-ref.c (toplevel): Include flags.h.
7606 (dump_data_dependence_relation): Also dump the inputs if the
7607 result will be unknown.
7608 (split_constant_offset_1): Look through some conversions.
7609 * tree-predcom.c (determine_roots_comp): Restart a new chain if
7610 the offset from last element is too large.
7611 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
7612 (reassociate_to_the_same_stmt): Handle vector registers.
7613 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
7615 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
7616 wide_prolog_niters argument, emit widening instructions.
7617 (vect_do_peeling_for_alignment): Adjust caller, use widened
7618 variant of the iteration cound.
7619 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
7621 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
7624 * config/arm/neon-testgen.m (emit_automatics): New parameter
7625 features. Adjust for Fixed_return_reg feature.
7626 (test_intrinsic): Call emit_automatics with new feature.
7627 * config/arm/neon.ml: Update copyright years.
7628 (features): New Fixed_return_reg feature.
7629 (ops): Update feature for Vget_low.
7631 2010-01-19 Jakub Jelinek <jakub@redhat.com>
7633 PR tree-optimization/42719
7634 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
7638 * fwprop.c (all_uses_available_at): Return false if def_set dest
7639 is a REG that is used in def_insn.
7641 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
7643 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
7645 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
7648 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
7650 * target.h (struct gcc_target) <secondary_reload>: Change type
7651 of last argument to secondary_reload_info *.
7653 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
7656 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
7657 memory references with unaligned offsets. Remove CQImode handling.
7658 (unaligned_memory_operand): Return 1 for memory references with
7659 unaligned offsets. Remove CQImode handling.
7661 2010-01-18 Richard Guenther <rguenther@suse.de>
7664 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
7667 2010-01-18 Richard Guenther <rguenther@suse.de>
7669 PR tree-optimization/42781
7670 * tree-ssa-structalias.c (find_what_var_points_to): Skip
7671 restrict processing only if the original variable was artificial.
7673 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
7675 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
7676 find number of popped argument bytes.
7678 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
7679 Fix the text that describes the return value for invalid insns.
7681 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
7683 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
7684 Clarify what 'cost of the -dependence' is. Fix quoting.
7686 * toplev.c (default_get_pch_validity): Rename argument to "sz".
7687 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
7689 2010-01-17 Jakub Jelinek <jakub@redhat.com>
7691 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
7692 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
7694 2010-01-17 Richard Guenther <rguenther@suse.de>
7697 * function.c (split_complex_args): Take a VEC to modify.
7698 (assign_parms_augmented_arg_list): Build a VEC instead of
7699 a chain of PARM_DECLs.
7700 (assign_parms_unsplit_complex): Take a VEC of arguments.
7701 Do not fixup unmodified parms.
7702 (assign_parms): Deal with the VEC.
7703 (gimplify_parameters): Likewise.
7705 2010-01-17 Richard Guenther <rguenther@suse.de>
7707 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
7708 node existence check.
7709 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
7710 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
7711 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
7712 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
7713 (gimple_execute_on_growing_pred): Likewise.
7715 2010-01-17 Richard Guenther <rguenther@suse.de>
7717 PR tree-optimization/42773
7718 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
7719 (compute_antic_aux): Likewise.
7720 (compute_partial_antic_aux): Likewise.
7722 2010-01-17 Jie Zhang <jie.zhang@analog.com>
7725 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
7728 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
7730 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
7733 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
7734 Fix markup for strict argument.
7736 (TARGET_SCHED_REORDER2): Fix argument types.
7738 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
7739 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
7741 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
7742 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
7744 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
7747 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
7748 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
7749 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
7750 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
7751 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
7753 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
7755 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
7757 (TARGET_ASM_RELOC_RW_MASK): Add return type.
7758 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
7760 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
7762 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
7765 (TARGET_ASM_NAMED_SECTION): Fix argument list.
7767 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
7768 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
7770 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
7772 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
7774 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
7775 referring to it. Fix language.
7777 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
7779 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
7781 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
7783 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
7785 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
7786 '@var{stream}. Remove stray 'and'.
7788 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
7790 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
7792 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
7794 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
7795 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
7797 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
7798 Fix description of return value.
7799 Rename argument "sz" to "len."
7801 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
7802 Clarify meaning of 'true' return value.
7804 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
7806 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
7807 rep_mode versus mode_rep.
7809 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
7811 (TARGET_BUILTIN_DECL): Fix name.
7813 (TARGET_COMMUTATIVE_P): Fix type of first argument.
7815 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
7817 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
7819 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
7821 (TARGET_RELAXED_ORDERING): Use @deftypevr.
7823 (TARGET_GET_DRAP_RTX): Note that this is a hook.
7826 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
7827 Rename argument tm_fn to md_fn.
7829 (TARGET_OPTION_PRINT): Fix argument list.
7831 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
7834 * config/i386/i386.c (ix86_fixup_binary_operands):
7835 Revert FMA4 fixup of operands.
7837 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7840 * Makefile.in (write_entries_to_file, install-plugin):
7841 Use \012 instead of \n with tr.
7843 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
7845 * configure.ac (HAVE_AS_REF): New C macro.
7846 * configure: Regenerate.
7847 * config.in: Likewise.
7848 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
7850 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
7853 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
7855 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
7857 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
7859 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
7861 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
7863 (TARGET_IN_SMALL_DATA_P): Fix argument type.
7865 (TARGET_BINDS_LOCAL_P): Fix argument type.
7867 (TARGET_ASM_FILE_END): Use prototype.
7869 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
7871 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
7873 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
7875 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
7877 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
7878 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
7880 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
7881 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
7883 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
7884 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
7885 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
7886 (TARGET_ADDR_SPACE_CONVERT): Likewise.
7888 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
7890 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
7892 (TARGET_INIT_BUILTINS): Use prototype.
7894 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
7895 Put 'const char *' in braces. Fix parameter types.
7896 (TARGET_INVALID_CONVERSION): Fix parameter types.
7897 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
7898 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
7900 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
7903 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
7905 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
7907 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
7909 * doc/tm.texi (TARGET_HELP): Fix return type.
7911 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
7912 in braces. Fix argument types.
7914 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
7916 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
7918 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
7920 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
7921 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
7923 (TARGET_MANGLE_TYPE): Fix argument types.
7925 (TARGET_IRA_COVER_CLASSES): Use prototype.
7927 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
7929 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
7931 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
7933 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
7935 (TARGET_CALLEE_COPIES): Fix argument types.
7937 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
7939 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
7941 (TARGET_FUNCTION_VALUE): Fix argument types.
7943 (TARGET_RETURN_IN_MSB): Fix argument type.
7945 (TARGET_RETURN_IN_MEMORY): Fix argument types.
7947 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
7949 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
7951 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
7952 agree with return type.
7954 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
7956 2010-01-15 Jing Yu <jingyu@google.com>
7958 PR rtl-optimization/42691
7959 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
7960 a pseudo to a constant and are merged, and adjust comments.
7962 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
7964 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
7966 2010-01-15 Richard Guenther <rguenther@suse.de>
7969 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
7970 labels of computed or non-local gotos to the destination.
7971 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
7972 landing pad label is the first label.
7974 2010-01-15 Richard Guenther <rguenther@suse.de>
7976 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
7978 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
7981 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
7982 to allow generation of the xssqrtdp instruction on power7.
7983 (sqrtdf2_fpr): Ditto.
7985 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7988 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
7989 functions with noreturn attribute.
7992 * varasm.c (declare_weak): Add weak attribute to decl if it
7993 doesn't have one already.
7994 (assemble_external): Only add decls to weak_decls if they also
7995 have weak attribute.
7997 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
7999 * var-tracking.c (var_reg_delete): Don't delete the association
8000 between REGs and values or one-part variables if the register
8003 2010-01-14 Jakub Jelinek <jakub@redhat.com>
8006 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
8007 because its first operand is a non-localized variable.
8009 2010-01-14 Martin Jambor <mjambor@suse.cz>
8011 PR tree-optimization/42706
8012 * tree-sra.c (encountered_recursive_call): New variable.
8013 (encountered_unchangable_recursive_call): Likewise.
8014 (sra_initialize): Initialize both new variables.
8015 (callsite_has_enough_arguments_p): New function.
8016 (scan_function): Call decl and flags check only for IPA-SRA, check
8017 whether there is a recursive call and whether it has enough arguments.
8018 (all_callers_have_enough_arguments_p): New function.
8019 (convert_callers): Look for recursive calls only when
8020 encountered_recursive_call is set.
8021 (ipa_early_sra): Bail out either if
8022 !all_callers_have_enough_arguments_p or
8023 encountered_unchangable_recursive_call.
8025 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8027 * sel-sched.c: Add 2010 to copyright years.
8028 * sel-sched-ir.c: Likewise.
8029 * sel-sched-ir.h: Likewise.
8031 2010-01-14 Martin Jambor <mjambor@suse.cz>
8033 PR tree-optimization/42714
8034 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
8035 constructors specially.
8037 2010-01-14 Andi Kleen <ak@linux.intel.com>
8039 * config/i386/drivers-i386.c (detect_caches_intel):
8040 Add l2sizekb parameter and fill in.
8041 (host_detect_local_cpu): Add l2sizekb, fill in.
8042 Add Atom small cache heuristic.
8044 2010-01-14 Andi Kleen <ak@linux.intel.com>
8046 * config/i386/drivers-i386.c (detect_caches_cpuid4):
8047 Add level3 parameter and fill in.
8048 (detect_caches_intel): Handle level3 cache.
8050 2010-01-14 Andi Kleen <ak@linux.intel.com>
8052 * config/i386/drivers-i386.c (host_detect_local_cpu):
8053 Fix core duo detection.
8055 2010-01-14 Andi Kleen <ak@linux.intel.com>
8057 * config/i386/drivers-i386.c (host_detect_local_cpu):
8060 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8062 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
8063 (rs6000_variable_issue_1): this. Use...
8064 (rs6000_variable_issue): here. Reimplement. Print debug info.
8066 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8068 * sel-sched-ir.c (sel_restore_other_notes): Rename to
8069 sel_restore_notes. Update all callers. Call reemit_notes
8072 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8074 PR rtl-optimization/42246
8075 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
8078 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8080 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
8081 all successors is the same as number of successors in current region.
8083 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8085 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
8086 to rename is not separable. Otherwise check that its LHS is not NULL.
8088 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8090 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
8092 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8094 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
8095 available registers when failed to discover LHS register class.
8096 Fix indentation. Update comment.
8098 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8099 Alexander Monakov <amonakov@ispras.ru>
8101 PR rtl-optimization/42389
8102 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
8104 (advance_state_on_fence): Likewise.
8105 (sel_target_adjust_priority): Print debug output only when
8106 sched_verbose >= 4, not 2.
8107 (get_expr_cost): Do not issue all unique insns on the next cycle.
8108 (fill_insns): Initialize can_issue_more from the value saved
8110 * sel-sched-ir.c (flist_add): New parameter issue_more.
8111 Init FENCE_ISSUE_MORE with it.
8112 (merge_fences): Likewise.
8113 (init_fences): Update call to flist_add.
8114 (add_to_fences, add_clean_fence_to_fences)
8115 (add_dirty_fence_to_fences): Likewise.
8116 (move_fence_to_fences): Update call to merge_fences.
8117 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
8119 * sel-sched-ir.h (struct _fence): New field issue_more.
8120 (FENCE_ISSUE_MORE): New accessor macro.
8122 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8124 PR rtl-optimization/42388
8125 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
8126 that have no predecessors nor successors. Do not call move_bb_info
8127 for empty blocks outside of current region.
8129 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8131 PR rtl-optimization/42294
8132 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
8133 * sel-sched.c (move_exprs_to_boundary): Transitively add all
8134 originators' originators.
8136 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8138 PR rtl-optimization/39453
8139 PR rtl-optimization/42246
8140 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
8142 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
8144 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8145 Alexander Monakov <amonakov@ispras.ru>
8148 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
8149 (maybe_tidy_empty_bb): ... here. Make static. Add new
8150 argument. Update all callers.
8151 (tidy_control_flow): ... and here. Recompute topological order
8152 of basic blocks in region if necessary.
8153 (sel_redirect_edge_and_branch): Change return type. Return true
8154 if topological order might have been invalidated.
8155 (purge_empty_blocks): Export and move from...
8156 * sel-sched.c (purge_empty_blocks): ... here.
8157 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
8158 (maybe_tidy_empty_bb): Delete prototype.
8159 (purge_empty_blocks): Declare.
8161 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8163 PR rtl-optimization/42249
8164 * sel-sched.c (try_replace_dest_reg): When chosen register
8165 and original register is the same, do not bail out early, but
8166 still check all original insns for validity of replacing destination
8167 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
8170 2010-01-14 Jakub Jelinek <jakub@redhat.com>
8173 Port from no-undefined-overflow branch:
8174 2009-03-09 Richard Guenther <rguenther@suse.de>
8176 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
8178 2010-01-14 Richard Guenther <rguenther@suse.de>
8181 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
8183 2010-01-14 Ira Rosen <irar@il.ibm.com>
8185 PR tree-optimization/42709
8186 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
8187 as scalar type in creation of constant vector operand.
8189 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8192 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
8193 (check-parallel-%): Match `testsuite' directory component only
8196 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
8198 PR translation/39521
8199 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
8202 2010-01-13 Richard Guenther <rguenther@suse.de>
8204 PR tree-optimization/42730
8205 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
8208 2010-01-13 Steve Ellcey <sje@cup.hp.com>
8211 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
8212 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
8215 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
8217 * config/bfin/libgcc-bfin.ver: Regenerate based on current
8218 libgcc-std.ver. Add entries for ___smulsi3_highpart and
8219 ___umulsi3_highpart.
8221 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
8222 rather than schedule_insns if the pass is enabled.
8224 2010-01-13 Martin Jambor <mjambor@suse.cz>
8226 PR tree-optimization/42704
8227 * tree-sra.c (sra_modify_assign): Do not delete assignments to
8230 2010-01-13 Martin Jambor <mjambor@suse.cz>
8232 PR tree-optimization/42703
8233 * tree-sra.c (analyze_access_subtree): Check that we can build a
8234 reference to the original data within the aggregate.
8236 2010-01-13 Richard Guenther <rguenther@suse.de>
8238 PR tree-optimization/42705
8239 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
8241 2010-01-13 Richard Guenther <rguenther@suse.de>
8244 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
8246 2010-01-13 Jakub Jelinek <jakub@redhat.com>
8249 * var-tracking.c (values_to_unmark): New variable.
8250 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
8251 values_to_unmark vector. Moved body to...
8252 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
8253 instead queue it into values_to_unmark vector.
8254 (vt_find_locations): Free values_to_unmark vector.
8256 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
8258 * config/s390/s390.c (override_options): Set
8259 default of max-pending-list-length to 256
8261 2010-01-13 Richard Guenther <rguenther@suse.de>
8264 * tree-pass.h (PROP_gimple_lcx): New.
8265 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
8266 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
8267 before the final cleanup_eh.
8268 (dump_properties): Dump PROP_gimple_lcx.
8269 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
8270 (tree_lower_complex_O0): Remove.
8271 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
8272 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
8273 tree_lower_complex, schedule TODO_update_ssa.
8274 * lto-streamer-out.c (output_function): Stream the functions
8276 * lto-streamer-in.c (input_function): Likewise.
8277 (lto_read_body): Do not override them here.
8279 2010-01-12 Joseph Myers <joseph@codesourcery.com>
8282 * c-typeck.c (build_c_cast): Fold value cast to union type before
8283 wrapping it in a CONSTRUCTOR.
8285 2010-01-12 Jakub Jelinek <jakub@redhat.com>
8287 PR rtl-optimization/42699
8288 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
8291 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8293 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
8294 SUBTARGET_WARN_UNUSED_SPEC): Move ...
8295 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
8296 SUBTARGET_WARN_UNUSED_SPEC): ... here
8297 * config/mips/iris5.h (LIBGCC_SPEC): Define.
8299 2010-01-12 Julian Brown <julian@codesourcery.com>
8301 * config/arm/neon-schedgen.ml (Utils): Don't try to
8302 open missing module.
8303 (find_with_result): New.
8305 2010-01-12 Jakub Jelinek <jakub@redhat.com>
8308 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
8309 sharing when canonicalizing ({lt,ge}u (plus a b) b).
8311 PR tree-optimization/42645
8312 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
8313 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
8314 decl_map, set processing_debug_stmt to -1 and return name without
8317 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
8319 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
8320 binutils version, and reword target configuration description.
8322 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
8324 * config/avr/avr.h (LINKER_NAME): Remove.
8326 2010-01-11 Janis Johnson <janis187@us.ibm.com>
8329 * config/rs6000/rs6000.c (rs6000_override_options): On targets
8330 that support VSX, warn for -mno-altivec if vsx is not disabled,
8333 2010-01-11 Joseph Myers <joseph@codesourcery.com>
8334 Shujing Zhao <pearly.zhao@oracle.com>
8336 PR translation/42469
8337 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
8338 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
8339 character between option name and help text.
8340 * c.opt (imultilib): Likewise.
8342 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
8344 * lto-streamer-out.c (output_unreferenced_globals): Output static
8347 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
8349 PR rtl-optimization/42621
8350 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
8351 optimizing for size.
8352 (duplicate_computed_gotos): Remove now-redundant check.
8354 2010-01-10 Steve Ellcey <sje@cup.hp.com>
8357 * configure.ac: Save and restore LDFLAGS and LIBS
8358 * configure: Regenerate.
8360 2010-01-10 Richard Guenther <rguenther@suse.de>
8363 * builtins.c (fold_builtin_strlen): Add type argument and
8364 convert the resulting length to it.
8365 (fold_builtin_1): Adjust.
8367 2010-01-09 Jakub Jelinek <jakub@redhat.com>
8369 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
8370 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
8372 (num_insns_constant_wide): Adjust for that change.
8374 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8377 * web.c (union_defs): Add used argument, to combine uses of
8379 (entry_register): Adjust type and tests of used argument.
8380 (web_main): Widen used for new use. Pass it to union_defs.
8381 * df.h (union_defs): Adjust prototype.
8383 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8386 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
8387 uses in new incoming argument. Free body.
8388 (reset_debug_uses_in_loop): New.
8389 (analyze_insn_to_expand_var): Call the latter if the former found
8390 anything. Fix whitespace. Reject invalid dest overlaps before
8391 going through all insns in the loop.
8393 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8396 * haifa-sched.c (dying_use_p): Debug insns don't count.
8398 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8401 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
8402 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
8403 (verify_gimple_call): Reject LHS in noreturn calls.
8405 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8409 * tree-vect-loop-manip.c (adjust_info): New type.
8410 (adjust_vec): New pointer to vector.
8411 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
8412 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
8413 (slpeel_update_phis_for_duplicate_loop): Use them.
8414 (slpeel_update_phi_nodes_for_guard1): Likewise.
8415 (slpeel_update_phi_nodes_for_guard2): Likewise.
8416 (slpeel_tree_peel_loop_to_edge): Likewise.
8417 (vect_update_ivs_after_vectorizer): Likewise.
8419 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8421 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
8422 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
8424 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8426 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
8427 bogus uninitialized warning.
8429 2010-01-09 Richard Guenther <rguenther@suse.de>
8432 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
8433 the evolution is compatible with the initial condition.
8435 2010-01-09 Jakub Jelinek <jakub@redhat.com>
8437 * gcc.c (process_command): Update copyright notice dates.
8438 * gcov.c (print_version): Likewise.
8439 * gcov-dump.c (print_version): Likewise.
8440 * mips-tfile.c (main): Likewise.
8441 * mips-tdump.c (main): Likewise.
8443 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
8446 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
8448 (rotlhi3_8): Delete.
8450 (rotlsi3_8): Delete.
8451 (rotlsi3_16): Delete.
8452 (rotlsi3_24): Delete.
8454 (*rotw<mode>3): New.
8455 (*rotb<mode>3): New.
8456 * config/avr/avr.c (avr_rotate_bytes): New function.
8457 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
8459 2010-01-08 Steve Ellcey <sje@cup.hp.com>
8462 * configure.ac: Modify -rdynamic check.
8463 * configure: Regenerate.
8465 2010-01-08 DJ Delorie <dj@redhat.com>
8467 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
8468 register popping order.
8470 2010-01-08 Richard Guenther <rguenther@suse.de>
8473 * c.opt (fsigned-char): Also let LTO handle this option.
8474 (funsigned-char): Likewise.
8476 2010-01-07 Richard Guenther <rguenther@suse.de>
8478 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
8479 (gimple_op): Likewise.
8480 (gimple_op_ptr): Likewise.
8481 (gimple_assign_set_lhs): Remove gcc_assert.
8482 (gimple_assign_set_rhs1): Likewise.
8483 (gimple_assign_set_rhs2): Likewise.
8484 (gimple_call_set_lhs): Likewise.
8485 (gimple_call_set_fn): Likewise.
8486 (gimple_call_set_fndecl): Likewise.
8487 (gimple_call_fndecl): Likewise.
8488 (gimple_call_return_type): Likewise.
8489 (gimple_call_set_chain): Likewise.
8490 (gimple_call_num_args): Likewise.
8491 (gimple_call_set_arg): Likewise.
8492 (gimple_cond_set_code): Likewise.
8493 (gimple_cond_set_lhs): Likewise.
8494 (gimple_cond_set_rhs): Likewise.
8495 (gimple_cond_set_true_label): Likewise.
8496 (gimple_cond_set_false_label): Likewise.
8497 (gimple_label_set_label): Likewise.
8498 (gimple_goto_set_dest): Likewise.
8499 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
8500 (gimple_debug_bind_get_value): Likewise.
8501 (gimple_debug_bind_get_value_ptr): Likewise.
8502 (gimple_debug_bind_set_var): Likewise.
8503 (gimple_debug_bind_set_value): Likewise.
8504 (gimple_debug_bind_reset_value): Likewise.
8505 (gimple_debug_bind_has_value_p): Likewise.
8506 (gimple_return_retval_ptr): Remove gcc_assert.
8507 (gimple_return_retval): Likewise.
8508 (gimple_return_set_retval): Likewise.
8509 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
8510 (safe_referenced_var_iterator): Remove.
8511 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
8512 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
8513 (fill_referenced_var_vec): Remove.
8514 (first_readonly_imm_use): Remove redundant gcc_assert.
8515 (phi_arg_index_from_use): Combine gcc_asserts.
8516 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
8517 (first_imm_use_stmt): Remove redundant gcc_assert.
8518 * tree-cfg.c (verify_gimple_call): Verify function and chain
8519 operands. Verify arguments.
8520 (verify_types_in_gimple_stmt): Verify condition code and labels.
8522 2010-01-07 Richard Guenther <rguenther@suse.de>
8524 PR tree-optimization/42641
8525 * sese.c (rename_map_elt_info): Use the SSA name version, do
8528 2010-01-07 Jakub Jelinek <jakub@redhat.com>
8530 PR tree-optimization/42625
8531 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
8532 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
8534 2010-01-07 Duncan Sands <baldrick@free.fr>
8536 * Makefile.in (PLUGIN_HEADERS): Add version.h.
8538 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
8541 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
8542 note itself is not function_invariant_p.
8544 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
8546 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
8547 Do not add the DF_NOTE problem.
8548 * store-motion.c (execute_rtl_store_motion): Likewise.
8550 2010-01-07 Martin Jambor <mjambor@suse.cz>
8552 PR tree-optimization/42157
8553 * tree-sra.c (compare_access_positions): Stabilize sort if both
8554 accesses have integer types, return zero immediately if they are the
8557 2010-01-06 Richard Henderson <rth@redhat.com>
8560 * haifa-sched.c (add_to_note_list): Merge into ...
8561 (concat_note_lists): ... here, and ...
8562 (unlink_other_notes, rm_other_notes): Merge into...
8563 (remove_notes): ... here. Create REG_SAVE_NOTEs for
8564 NOTE_INSN_EPILOGUE_BEG.
8566 2010-01-06 Richard Guenther <rguenther@suse.de>
8568 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
8569 not inline regular functions into always-inline functions.
8571 2010-01-06 Nick Clifton <nickc@redhat.com>
8573 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
8574 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
8576 (OVERRIDE_OPTIONS): Delete.
8577 (OPTIMIZATION_OPTIONS): Define.
8578 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
8579 * config/rx/rx.c (rx_handle_option): Issue an error message if
8580 -mcpu=rx200 and -fpu are used together.
8581 (rx_set_optimization_options): New function. Issue an error
8582 message if an optimization attribute attempts to reset the FPU/
8583 math optimization pairing.
8584 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
8585 * config/rx/rx.opt: Set the default to 32-bit doubles.
8586 * config/rx/t-rx: Add multilibs for -nofpu option.
8587 * doc/invoke.texi: Update documentation of RX options.
8589 2010-01-06 Richard Guenther <rguenther@suse.de>
8591 * tree-ssa-pre.c (name_to_id): New global.
8592 (alloc_expression_id): Simplify SSA name handling.
8593 (lookup_expression_id): Likewise.
8594 (init_pre): Zero name_to_id.
8595 (fini_pre): Free it.
8597 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
8599 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
8601 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
8604 * config/i386/sse.md (smaxv2di3): New.
8605 (umaxv2di3): Likewise.
8606 (sminv2di3): Likewise.
8607 (uminv2di3): Likewise.
8609 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
8612 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
8613 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
8614 (legitimize_tls_address): Likewise.
8615 (sparc_tls_referenced_p): Likewise.
8616 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
8617 and adjust calls to legitimize_pic_address.
8618 (legitimate_constant_p) Use sparc_tls_referenced_p.
8619 (legitimate_pic_operand_p): Likewise.
8620 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
8621 (sparc_tls_symbol_ref_1): Delete.
8622 (sparc_tls_referenced_p): Make static, recognize specific patterns.
8623 (legitimize_tls_address): Make static, handle CONST patterns.
8624 (legitimize_pic_address): Make static, remove unused parameter and
8625 adjust recursive calls.
8626 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
8627 and adjust call to legitimize_pic_address.
8628 (sparc_output_mi_thunk): Likewise.
8630 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
8631 H.J. Lu <hongjiu.lu@intel.com>
8634 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
8635 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
8636 operands to make them signed.
8639 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8642 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8643 GTU to GT for V4SI and V2DI.
8645 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8646 (umin<mode>3): Removed.
8648 (uminv4si3): Likewise.
8650 2010-01-05 Martin Jambor <mjambor@suse.cz>
8652 PR tree-optimization/42462
8653 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
8654 current_function_decl to helper functions and macros.
8656 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8659 * flags.h: Don't include real.h.
8660 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
8661 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
8662 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
8663 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
8664 * dominance.c: Update copyright.
8665 * gimple.c (walk_gimple_op): Remove inline.
8666 * tree-ssa-reassoc.c: Include real.h.
8667 * Makefile.in (FLAGS_H): Remove $(REAL_H).
8668 (tree-ssa-reassoc.o): Depend on $(REAL_H).
8670 2010-01-05 Nick Clifton <nickc@redhat.com>
8672 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
8673 register to push into the stack frame when the accumulator has to
8674 be saved during interrupts.
8676 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
8678 * doc/invoke.texi: Remove the documentation about option
8680 * common.opt (Wunreachable-code): Preserved for backward
8682 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
8683 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
8684 the backward compatibility flag section.
8686 2010-01-05 Richard Guenther <rguenther@suse.de>
8688 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
8690 2010-01-05 Jakub Jelinek <jakub@redhat.com>
8693 * cfgexpand.c (expand_one_var): Diagnose too large variables.
8695 PR tree-optimization/42508
8696 * tree-sra.c (convert_callers): Check for recursive call
8697 by comparing cgraph nodes instead of decls.
8698 (modify_function): Call ipa_modify_formal_parameters also
8699 on all same_body aliases.
8701 * cgraphunit.c (cgraph_materialize_all_clones): Compare
8702 cgraph nodes when checking for same_body aliases.
8704 2010-01-05 Richard Guenther <rguenther@suse.de>
8706 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
8707 allocation and lookup.
8708 (get_or_alloc_expr_for_constant): Likewise.
8709 (phi_translate): Sink allocation.
8711 2010-01-04 Richard Guenther <rguenther@suse.de>
8713 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
8714 a new entry only if needed.
8715 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
8716 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
8718 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
8720 (phi_translate): Handle CONSTANTs early.
8722 2010-01-04 Martin Jambor <mjambor@suse.cz>
8724 PR tree-optimization/42398
8725 * tree-sra.c (struct access): Removed flag grp_different_types.
8726 (dump_access): Do not dump the removed flag.
8727 (sort_and_splice_var_accesses): Do not set the removed flag.
8728 (sra_modify_expr): Check for type compatibility directly.
8730 2010-01-04 Martin Jambor <mjambor@suse.cz>
8732 PR tree-optimization/42366
8733 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
8734 edges with variable number of parameters.
8735 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
8736 flag instead of asserting it.
8737 (ipa_read_node_info): Read uses_analysis_done flag.
8739 2010-01-04 Richard Guenther <rguenther@suse.de>
8741 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
8742 iterative_hash_* as intended.
8743 (vn_reference_compute_hash): Likewise. Simplify hashing
8745 (vn_reference_lookup_2): Likewise.
8746 (vn_nary_op_compute_hash): Likewise.
8747 (vn_phi_compute_hash): Likewise.
8748 (expressions_equal_p): Remove strange code.
8749 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
8750 (pre_expr_hash): Likewise. Simplify hashing SSA names.
8751 (bitmap_insert_into_set_1): Take value-id as parameter.
8752 (add_to_value): Pass it.
8753 (bitmap_insert_into_set): Likewise.
8754 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
8756 2010-01-04 Jakub Jelinek <jakub@redhat.com>
8759 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
8760 (do_self_spec): For switches with SWITCH_IGNORE set set also
8761 SWITCH_IGNORE_PERMANENTLY.
8762 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
8765 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
8767 * lto-streamer-out.c (output_unreferenced_globals): Output the full
8768 tree of an unreferenced global var.
8770 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8773 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8774 GTU to GT for V4SI and V2DI.
8776 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8777 (umin<mode>3): Removed.
8779 (uminv4si3): Likewise.
8781 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8784 * collect2.c (main): Turn on trace in collect2 if -v is passed
8787 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
8789 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
8790 description of expression operand.
8792 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
8794 * configure.ac: Add install-html to target_list for Make-hooks.
8795 * configure: Regenerate.
8796 * fortran/Make-lang.in (F95_HTMLFILES): New.
8797 (fortran.html): Use it.
8798 (fortran.install-html): New.
8799 * Makefile.in (install-html): Add lang.install-html.
8800 * java/Make-lang.in (JAVA_HTMLFILES): New.
8801 (java.html): Use it.
8802 (java.install-html): New.
8803 * objc/Make-lang.in (objc.install-html): New.
8804 * objcp/Make-lang.in (obj-c++.install-html): New.
8805 * cp/Make-lang.in (c++.install-html): New.
8806 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
8807 * lto/Make-lang.in (lto.install-html): New.
8809 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8812 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
8814 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
8816 PR rtl-optimization/41862
8817 * store-motion.c (store_killed_in_insn, compute_store_table,
8818 remove_reachable_equiv_notes, replace_store_insn,
8819 build_store_vectors): Ignore all DEBUG_INSNs.
8821 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8824 * common.opt: Add dumpdir.
8826 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
8828 (option_map): Add --dumpdir.
8830 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
8832 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
8834 * opts.c (decode_options): Try dump_dir_name first if
8835 dump_base_name isn't an absolute path.
8836 (common_handle_option): Handle OPT_dumpdir.
8838 * toplev.c (dump_dir_name): New.
8839 (print_switch_values): Also ignore -dumpdir.
8841 * toplev.h (dump_dir_name): New.
8843 2010-01-03 Richard Guenther <rguenther@suse.de>
8845 PR tree-optimization/42589
8846 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
8847 double-word expansion of bswap32.
8849 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
8851 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
8852 with BLOCK_FOR_INSN.
8853 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
8854 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
8855 noce_process_if_block): Likewise.
8856 * gcse.c (compute_local_properties, insert_expr_in_table,
8857 insert_set_in_table, canon_list_insert, find_avail_set,
8858 pre_insert_copy_insn): Likewise.
8860 * basic-block.h (BLOCK_NUM): Move from here...
8861 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
8863 2010-01-03 Richard Guenther <rguenther@suse.de>
8865 PR tree-optimization/42438
8866 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
8867 contains_may_not_return_call flag.
8868 (BB_MAY_NOTRETURN): New.
8869 (valid_in_sets): Trapping nary operations are not valid
8870 in blocks that may not return.
8871 (insert_into_preds_of_block): Remove check for trapping expressions.
8872 (compute_avail): Compute also BB_MAY_NOTRETURN.
8874 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
8876 * doc/invoke.texi: Add 2010 to copyright years.
8878 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
8880 * config/sparc/sparc.c: Fix formatting nits.
8882 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
8883 Alexander Monakov <amonakov@ispras.ru>
8885 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
8887 2010-01-02 Richard Guenther <rguenther@suse.de>
8890 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
8891 (simplify_switch_using_ranges): Mark to be removed edges
8894 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8896 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
8898 * collect2.c (scan_libraries): Add missing argument in call to
8901 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
8904 * config/alpha/predicates.md (aligned_memory_operand): Return false
8906 (unaligned_memory_operand): Return true for CQImode.
8907 * config/alpha/alpha.c (get_aligned_mem): Assert that location
8908 doesn not cross aligned SImode word boundary.
8910 2010-01-02 Anatoly Sokolov <aesok@post.ru>
8912 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
8914 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
8915 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
8917 2010-01-02 Richard Guenther <rguenther@suse.de>
8920 * toplev.c (compile_file): Emit LTO marker properly. Change
8922 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
8924 2010-01-01 Richard Guenther <rguenther@suse.de>
8927 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
8929 2010-01-01 Richard Guenther <rguenther@suse.de>
8932 * c-decl.c (grokdeclarator): For zero-size arrays force
8933 structural equality checks as layout_type does.
8935 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8937 * builtins.c: Update copyright to 2010.
8939 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8942 * lto-streamer-out.c (produce_asm): Revert the last change.
8943 (copy_function): Likewise.
8945 * lto-streamer.c (lto_get_section_name): Skip any leading
8948 2010-01-01 Richard Guenther <rguenther@suse.de>
8951 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
8955 Copyright (C) 2010 Free Software Foundation, Inc.
8957 Copying and distribution of this file, with or without modification,
8958 are permitted in any medium without royalty provided the copyright
8959 notice and this notice are preserved.