1 2010-05-09 H.J. Lu <hongjiu.lu@intel.com>
4 * config/i386/driver-i386.c (host_detect_local_cpu): Properly
5 detect Atom, Core 2 and Core i7.
7 2010-05-09 Richard Guenther <rguenther@suse.de>
9 * gcc.c (store_arg): Handle temporary file deletion for
12 2010-05-09 Richard Guenther <rguenther@suse.de>
15 * ipa-inline.c (estimate_function_body_sizes): Return after
16 disregarding inline limits.
18 2010-05-09 Richard Guenther <rguenther@suse.de>
20 * gcc.c (store_arg): Revert last change.
22 2010-05-08 Sandra Loosemore <sandra@codesourcery.com>
25 * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
26 (optimize_ops_list): Call it.
28 2010-05-08 Richard Guenther <rguenther@suse.de>
30 PR tree-optimization/44030
31 * tree-ssa-pre.c (eliminate): Copy NECESSARY flag. Set
32 NECESSARY flag if we propagate from a inserted expression.
34 2010-05-08 Eric Botcazou <ebotcazou@adacore.com>
36 * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
37 domain types as equal if they are both PLACEHOLDER_EXPRs.
39 2010-05-08 Richard Guenther <rguenther@suse.de>
41 * lto-wrapper.c (run_gcc): Remove linker output from
42 command line for LTRANS invocation.
44 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
46 * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
47 lto-macho as lto_binary_reader.
48 * target.h (struct gcc_target): New hooks lto_start and lto_end.
49 * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
50 * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
51 in lto_start and lto_end calls.
52 (is_elf_or_coff): Rename to maybe_lto_object_file. Add Mach-O
54 (scan_prog_file): Update is_elf_or_coff call.
55 * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
57 * collect2.c (main): Fix enum comparison.
59 * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
61 * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
62 * darwin.h (LINK_COMMAND_SPEC): Likewise. Define TARGET_ASM_LTO_START
63 and TARGET_ASM_LTO_END.
64 * darwin.c: Include obstack.h and lto-streamer.h.
65 (lto_section_names_offset, lto_section_names_obstack,
66 lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
68 (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
69 (darwin_asm_lto_start): New function. Redirect output to asm_out_file
71 (darwin_asm_lto_end): New function. Restore asm_out_file.
72 (darwin_asm_named_section): For LTO sections, replace the name with
73 the offset of the section name in a string table, and build this
75 (darwin_file_start): Initialize global vars for LTO support.
76 (darwin_file_end): If output to asm_out_file was redirected, append it
77 to the proper asm_out_file here. Add the section names section.
79 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
81 * c-pragma.c (pending_weak_d, pending_weak): New.
82 (pending_weaks): Change the type to VEC((pending_weak,gc) *.
83 (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
84 handle_pragma_weak): Update the uses of pending_weaks.
86 2010-05-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
88 PR documentation/44016
89 * doc/standards.texi (Standards): Link to unversioned
90 cxx0x_status.html page.
92 2010-05-07 Iain Sandoe <iains@gcc.gnu.org>
95 * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
96 in addition to TREE_USED, to avoid "set but unused" warnings.
98 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
100 * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
101 (is_loop_prefetching_profitable): Do not insert prefetches
102 when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
103 times the prefetch ahead distance.
105 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
107 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
108 Account for loop unrolling in the insn-to-prefetch ratio heuristic.
109 (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
112 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
114 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
115 a diagnostic info when the insn-to-mem ratio is too small.
117 2010-05-07 Richard Guenther <rguenther@suse.de>
119 * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
121 (store_arg): Queue temp_filename for deletion instead of
124 2010-05-07 Richard Guenther <rguenther@suse.de>
126 * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
127 (run_gcc): Handle LTRANS phase invocation.
128 * collect2.c (maybe_run_lto_and_relink): Do not set
131 2010-05-07 Jakub Jelinek <jakub@redhat.com>
133 * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
134 this is also meaningful on PARM_DECLs and RESULT_DECLs.
136 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
138 * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
140 2010-05-07 Richard Guenther <rguenther@suse.de>
142 PR tree-optimization/44020
143 * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
144 code when PRE is not yet initialized.
146 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
148 * config/mips/dbxmdebug.h: Remove.
149 * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
151 2010-05-07 Shujing Zhao <pearly.zhao@oracle.com>
153 * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
154 with null pointer and also warn about ordered comparison of zero with
157 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
159 * graphite-blocking.c
160 (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
161 * graphite-clast-to-gimple.c
162 (clast_to_gcc_expression): Same.
163 (precision_for_value): Same.
164 (precision_for_interval): Same.
165 (gcc_type_for_interval): Same.
166 (graphite_create_new_guard): Same.
167 (compute_bounds_for_level): Same.
168 (graphite_create_new_loop_guard): Same.
169 * graphite-interchange.c
170 (build_linearized_memory_access): Same.
171 (pdr_stride_in_loop): Same.
172 (memory_strides_in_loop_1): Same.
173 (memory_strides_in_loop): Same.
174 (extend_scattering): Same.
175 (psct_scattering_dim_for_loop_depth): Same.
176 (pbb_number_of_iterations): Same.
178 (debug_iteration_domains): Same.
180 (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
181 (ppl_set_inhomogeneous_gmp): Same.
182 (ppl_strip_loop): Same.
183 (ppl_lexico_compare_linear_expressions): Same.
184 (ppl_read_polyhedron_matrix): Same.
185 (ppl_max_for_le_pointset): Same.
187 (ppl_read_polyhedron_matrix): Same.
188 (tree_int_to_gmp): Same.
189 (gmp_cst_to_tree): Same.
190 (ppl_set_inhomogeneous): Same.
191 (ppl_set_inhomogeneous_tree): Same.
192 (ppl_set_coef): Same.
193 (ppl_set_coef_tree): Same.
194 * graphite-sese-to-poly.c
195 (build_pbb_scattering_polyhedrons): Same.
196 (build_scop_scattering): Same.
197 (scan_tree_for_params_right_scev): Same.
198 (scan_tree_for_params): Same.
199 (find_params_in_bb): Same.
200 (find_scop_parameters): Same.
201 (add_upper_bounds_from_estimated_nit): Same.
202 (build_loop_iteration_domains): Same.
203 (add_condition_to_domain): Same.
204 (pdr_add_memory_accesses): Same.
206 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
208 * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
209 CLooG's value_* macros to their respective mpz_* counterparts.
210 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
211 (graphite_create_new_loop_guard): Same.
212 * graphite-interchange.c (build_linearized_memory_access): Same.
213 (pdr_stride_in_loop): Same.
214 (memory_strides_in_loop_1): Same.
215 (1st_interchange_profitable_p): Same.
216 * graphite-poly.c (extend_scattering): Same.
217 (psct_scattering_dim_for_loop_depth): Same.
218 (pbb_number_of_iterations): Same.
219 (pbb_number_of_iterations_at_time): Same.
220 * graphite-poly.h (new_1st_loop): Same.
221 * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
222 (oppose_constraint): Same.
223 (insert_constraint_into_matrix): Same.
224 (ppl_set_inhomogeneous_gmp): Same.
225 (ppl_set_coef_gmp): Same.
226 (ppl_strip_loop): Same.
227 (ppl_lexico_compare_linear_expressions): Same.
228 (ppl_max_for_le_pointset): Same.
229 (ppl_min_for_le_pointset): Same.
230 (ppl_build_realtion): Same.
231 * graphite-ppl.h (gmp_cst_to_tree): Same.
232 (ppl_set_inhomogeneous): Same.
233 (ppl_set_inhomogeneous_tree): Same.
234 (ppl_set_coef): Same.
235 (ppl_set_coef_tree): Same.
236 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
237 (build_scop_scattering): Same.
238 (add_value_to_dim): Same.
239 (scan_tree_for_params_right_scev): Same.
240 (scan_tree_for_params_int): Same.
241 (scan_tree_for_params): Same.
242 (find_params_in_bb): Same.
243 (find_scop_parameters): Same.
244 (add_upper_bounds_from_estimated_nit): Same.
245 (build_loop_iteration_domains): Same.
246 (create_linear_expr_from_tree): Same.
247 (add_condition_to_domain): Same.
248 (pdr_add_memory_accesses): Same.
250 2010-05-06 Magnus Fromreide <magfr@lysator.liu.se>
251 Jason Merrill <jason@redhat.com>
253 * c-common.c (c_common_reswords): Add nullptr.
254 * c-common.h: Add RID_NULLPTR. Reorganize C++0x rids.
255 * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
256 (gen_type_die_with_usage): Likewise.
257 * dbxout.c (dbxout_type): Likewise.
258 * sdbout.c (plain_type_1): Likewise.
260 2010-05-06 Jason Merrill <jason@redhat.com>
262 * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
263 Don't change GS_OK to GS_ALL_DONE. Make sure that all cases set
265 (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
267 * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
268 stripping WITH_SIZE_EXPR.
269 (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
272 2010-05-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
274 * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
275 list of obsolete configurations.
276 Disabled check for obsolete configurations.
277 (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
278 Removed support for previous versions.
279 * config/mips/iris.h: Removed.
280 * config/mips/iris5.h: Removed.
281 * config/mips/iris6.h: Merged old iris.h contents.
282 (TARGET_IRIX): Removed.
283 (DRIVER_SELF_SPECS): Removed mabi=32.
284 (IDENT_ASM_OP): Removed undef.
285 (STARTFILE_SPEC): Removed mabi=32.
286 (ENDFILE_SPEC): Likewise.
287 (IRIX_SUBTARGET_LINK_SPEC): Likewise.
288 (MACHINE_TYPE): Update for IRIX 6.5.
289 * config/mips/mips.c (mips_build_builtin_va_list): Replaced
290 TARGET_IRIX by TARGET_IRIX6.
291 (mips_file_start): Likewise.
292 (mips_output_external): Remove IRIX 5/6 O32 support.
293 (mips_output_function_prologue): Likewise.
294 * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
296 (TARGET_CPU_CPP_BUILTINS): Likewise.
297 (TARGET_IRIX): Removed.
298 * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
299 (MULTILIB_DIRNAMES): Removed 32.
300 (MULTILIB_OSDIRNAMES): Removed ../lib.
301 * doc/install.texi (Prerequisites): Don't reference IRIX before
303 (Specific, mips-sgi-irix5): Document removal.
304 (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI
306 Remove references to older IRIX 6 releases and the O32 ABI.
308 2010-05-06 Jakub Jelinek <jakub@redhat.com>
310 * gcc.dg/Wunused-var-8.c: Move to...
311 * c-c++-common/Wunused-var-6.c: ... here. New test.
314 * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
315 instead of DF_REF_REAL_REG.
317 2010-05-06 Dave Korn <dave.korn.cygwin@gmail.com>
320 * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
321 handling to still return true for x64 targets.
323 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
325 * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
327 2010-05-06 Jan Hubicka <jh@suse.cz>
329 PR tree-optimization/43791
330 * ipa-inline.c (update_caller_keys): Remove bogus
331 disregard_inline_limits check.
333 2010-05-06 Michael Matz <matz@suse.de>
335 PR tree-optimization/43984
336 * tree-ssa-pre.c (inserted_phi_names): Remove.
337 (inserted_exprs): Change to bitmap.
338 (create_expression_by_pieces): Set bits, don't append to vector.
339 (insert_into_preds_of_block): Don't handle inserted_phi_names.
340 (eliminate): Don't look at inserted_phi_names, remove deleted
341 insns from inserted_exprs.
342 (remove_dead_inserted_code): Adjust to use bitmaps instead of
344 (init_pre, fini_pre): Allocate and free bitmaps.
345 (execute_pre): Insert insns on edges before elimination.
347 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
349 * tree.c (initializer_zerop): Handle STRING_CST.
351 2010-05-06 Manuel López-Ibáñez <manu@gcc.gnu.org>
354 * doc/invoke.texi (Wimplicit): Document as C only.
355 * opts.c (common_handle_option): Add argument kind.
356 (handle_option): Rename as read_cmdline_option. Factor out code to...
357 (handle_option): ... here. New.
358 (handle_options): Rename as read_cmdline_options.
359 (decode_options): Update call.
360 (set_option): Use option index instead of option pointer. Classify
361 diagnostics correctly.
362 (enable_warning_as_error): Call handle_option.
363 * opts.h (set_option): Update declaration.
364 (handle_option): Declare.
365 * langhooks.h (struct lang_hooks): Add argument kind to
367 * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
368 * c-opts.c (set_Wimplicit): Delete.
369 (c_family_lang_mask): New static constant.
370 (c_common_handle_option): Add argument kind. Use handle_option
371 instead of set_Wimplicit.
372 (c_common_post_options): warn_implicit and warn_implicit_int
373 are disabled by default.
374 * c-common.c (warn_implicit): Do not define here.
375 * c-common.h (warn_implicit): Do not declare here.
376 (c_common_handle_option): Update declaration.
377 * lto-opts.c (lto_reissue_options): Update call to set_option.
379 2010-05-06 Richard Guenther <rguenther@suse.de>
381 PR tree-optimization/43571
382 * domwalk.c (walk_dominator_tree): Walk the dominator
383 sons in more optimal order.
385 2010-05-06 Richard Guenther <rguenther@suse.de>
387 PR tree-optimization/43934
388 * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
389 (stmt_cost): Likewise.
390 (extract_true_false_args_from_phi): New helper.
391 (determine_max_movement): For PHI nodes verify we can hoist them
392 and compute their cost.
393 (determine_invariantness_stmt): Handle PHI nodes.
394 (move_computations_stmt): Likewise. Hoist PHI nodes in
395 if-converted form using COND_EXPRs.
396 (move_computations): Return TODO_cleanup_cfg if we hoisted PHI
398 (tree_ssa_lim): Likewise.
399 * tree-flow.h (tree_ssa_lim): Adjust prototype.
400 * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
402 2010-05-06 Richard Guenther <rguenther@suse.de>
404 PR tree-optimization/43987
405 * tree-ssa-structalias.c (could_have_pointers): For possibly
406 address-taken variables force pointers to be recorded.
407 (create_variable_info_for_1): Likewise.
408 (push_fields_onto_fieldstack): Pass in wheter all fields
410 (find_func_aliases): Query types instead of vars whether
411 they contain pointers where appropriate.
413 2010-05-06 Jan Hubicka <jh@suse.cz>
415 * cgraphbuild.c (record_reference_ctx): Add varpool_node.
416 (record_reference, mark_address, mark_load, mark_store): Record
418 (record_references_in_initializer): Update call of record_references.
419 (rebuild_cgraph_edges): Remove all references before rebuiding.
420 * cgraph.c (cgraph_create_node): Clear ref list.
421 (cgraph_remove_node): Remove references.
422 (dump_cgraph_node): Dump references.
423 (cgraph_clone_node): Clone references.
424 * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
425 (struct cgraph_node, varpool_node): Add ref_lst.
426 * ipa-ref.c: New file.
427 * ipa-ref.h: New file.
428 * ipa-ref-inline.h: New file.
429 * lto-cgraph.c (output_varpool): Take cgrag node set argument.
430 (referenced_from_other_partition_p): New function.
431 (lto_output_varpool_node): Take set arugment; call
432 referenced_from_other_partition.
433 (lto_output_ref): New.
434 (add_references): New.
436 (output_cgraph): Compute boundary based on references;
438 (output_varpool): Accept cgraph_node_set argument.
441 (input_cgraph): Call input_refs.
442 * lto-section-in.c (lto_section_name): Add refs.
443 * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
444 (ipa-ref.o): New file.
445 * varpool.c (varpool_node): Clear ipa ref list.
446 (varpool_remove_node): Remove references.
447 (dump_varpool_node): Dump references.
448 (varpool_assemble_decl): Only compile finalized ones.
449 (varpool_extra_name_alias): Initialize ref list.
450 * lto-streamer.c (lto-get_section_name): Add .refs section.
451 * lto-streamer.h (lto_section_type): Add LTO_section_refs.
452 (referenced_from_other_partition_p): Declared.
454 2010-05-06 Ira Rosen <irar@il.ibm.com>
456 PR tree-optimization/43901
457 * tree-vect-stmts.c (vectorizable_call): Assert that vector
458 type is not NULL if it's transformation phase, and return
459 FALSE if it's analysis.
460 (vectorizable_conversion, vectorizable_operation,
461 vectorizable_type_demotion, vectorizable_type_promotion):
464 2010-05-05 Andrew Pinski <andrew.pinski@caviumnetworks.com>
466 * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
468 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
470 * config/mips/mips-protos.h
471 (mips_small_register_classes_for_mode_p): Delete prototype.
473 2010-05-06 Bernd Schmidt <bernds@codesourcery.com>
475 * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
476 * config/arm/arm.c (multiple_operation_profitable_p,
477 compute_offset_order): New static functions.
478 (load_multiple_sequence, store_multiple_sequence): Use them.
479 Replace constant 4 with MAX_LDM_STM_OPS. Compute order[0] from
480 memory offsets, not register numbers.
481 (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
483 2010-05-05 Steven Bosscher <steven@gcc.gnu.org>
485 * stor-layout.c (pending_sizes): Change the type to
487 (get_pending_sizes, put_pending_size, put_pending_sizes):
488 Update the uses of pending_sizes.
489 * c-decl.c (store_parm_decls): Likewise.
490 * c-tree.h (struct c_arg_info): Likewise.
491 * tree.h: Update the prototype for get_pending_sizes and
494 2010-05-05 Jason Merrill <jason@redhat.com>
497 * c-common.c (handle_aligned_attribute): Respect
498 ATTR_FLAG_TYPE_IN_PLACE.
501 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
502 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
503 (TARGET_INITIALIZER): Use it.
504 * c-common.c (attribute_takes_identifier_p): Call it.
505 * c-common.h: Update prototype.
506 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
507 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
509 2010-05-05 Jakub Jelinek <jakub@redhat.com>
512 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
513 DW_ID_down_case for Fortran compilation units.
515 2010-05-05 Jan Hubicka <jh@suse.cz>
517 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
520 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
522 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
523 a variable-sized RESULT_DECL.
525 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
527 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
529 2010-05-05 Jason Merrill <jason@redhat.com>
532 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
534 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
536 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
537 Jakub Jelinek <jakub@redhat.com>
540 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
541 (dead_debug_init, dead_debug_finish): New functions.
542 (dead_debug_add, dead_debug_insert_before): Likewise.
543 (df_note_bb_compute): Initialize a dead_debug object, add dead
544 debug uses to it, insert debug bind insns before death insns,
545 reset debug insns that refer to pending uses at the end.
546 * rtl.h (make_debug_expr_from_rtl): New prototype.
547 * varasm.c (make_debug_expr_from_rtl): New function.
549 2010-05-05 Jan Hubicka <jh@suse.cz>
551 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
552 (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
553 lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
554 lto_varpool_encoder_encode_initializer_p,
555 lto_set_varpool_encoder_encode_initializer): New functions.
556 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
558 (input_varpool_node): Do not always set analyzed.
559 (input_cgraph_1): Return vector of cgraph nodes.
560 (input_varpool_1): Return vector of varpools.
561 (input_cgraph): Free the vectors.
562 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
563 output only initializers needed.
564 (lto_output): Only call output_cgraph.
565 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
566 * lto-section-out.c (lto_new_out_decl_state): Initialize
567 state->varpool_node_encoder.
568 * lto-streamer.h (lto_varpool_encoder_d): New.
569 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
570 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
571 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
572 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
573 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
575 (output_varpool, input_varpool): Remove declarations.
577 2010-05-05 Jan Hubicka <jh@suse.cz>
579 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
580 with body can prevail.
582 2010-05-05 Jan Hubicka <jh@suse.cz>
584 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
587 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
589 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
592 * gengtype.h (erro_at_line): Constify pos argument.
594 * gengtype.c: Include hashtab.h.
595 (enum gc_used): Document GC_MAYBE_POINTED_TO.
596 (error_at_line): Constify pos argument.
597 (do_typedef): Initialize p->opt field.
598 (get_file_gtfilename): Fix comment typo.
599 (struct walk_type_data): Constify line field.
600 (get_output_file_for_structure): New function.
601 (write_local_func_for_structure): Constify orig_s argument.
602 Use get_output_file_for_structure.
603 (write_func_for_structure): Use get_output_file_for_structure.
604 (INDENT): New define.
605 (dump_pair, dump_type, dump_type_list, dump_typekind)
606 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
607 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
609 (seen_types): New variable.
610 (main): New variable do_dump. Process "-d" command line option.
611 Call dump_everything if dump requested.
613 2010-05-05 Jakub Jelinek <jakub@redhat.com>
615 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
616 in a temporary instead of invoking the macro multiple times.
617 (track_expr_p): Likewise.
619 2010-05-04 Neil Vachharajani <nvachhar@google.com>
621 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
623 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
624 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
625 conditions for printing notes.
626 * common.opt (-Wcoverage-mismatch): Allow negative, default to
627 true, update documentation.
628 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
630 2010-05-04 Jakub Jelinek <jakub@redhat.com>
633 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
636 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
639 * config/i386/i386.md (sse_prologue_save): Add clobber CC
641 (*sse_prologue_save_insn1): Likewise.
642 (SSE prologue save splitter): Likewise.
644 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
646 * tree.c (free_lang_data_in_one_sizepos): New inline function.
647 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
648 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
649 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
650 all decls. Call it on DECL_FIELD_OFFSET of fields.
651 (find_decls_types_r): Follow DECL_VALUE_EXPR.
652 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
654 2010-05-04 Martin Jambor <mjambor@suse.cz>
656 * tree-sra.c (build_access_from_expr_1): The first parameter type
657 changed to simple tree.
658 (build_access_from_expr): Likewise, gsi parameter was eliminated.
659 (scan_assign_result): Renamed to assignment_mod_result, enum elements
661 (build_accesses_from_assign): Removed all parameters except for a
662 simple gimple statement. Now returns a simple bool.
663 (scan_function): All non-analysis parts moved to separate functions
664 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
665 parameters and updated both callers.
666 (sra_modify_expr): Removed parameter data.
667 (sra_modify_function_body): New function.
668 (perform_intra_sra): Call sra_modify_function_body to modify the
670 (replace_removed_params_ssa_names): Parameter data changed into
672 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
673 changed the parameter dont_convert to convert with the opposite
675 (sra_ipa_modify_assign): Parameter data changed into adjustments
676 vector, return value changed to bool.
677 (ipa_sra_modify_function_body): New function.
678 (sra_ipa_reset_debug_stmts): Updated a comment.
679 (modify_function): Use ipa_sra_modify_function_body to modify function
682 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
685 * alias.c (true_dependence): Handle the same VALUE in x and mem.
686 (canon_true_dependence): Likewise.
687 (write_dependence_p): Likewise.
689 2010-05-04 Jan Hubicka <jh@suse.cz>
691 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
692 * cgraphbuild.c: Include ipa-utils.h
693 (record_reference_ctx): New struct.
694 (record_reference): Simplify to work on initializers; not statements.
695 (mark_address, mark_load, mark_store): New.
696 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
698 (record_references_in_initializer): Update use of record_reference.
699 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
702 2010-05-04 Jan Hubicka <jh@suse.cz>
704 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
705 node will be removed anyway.
706 (lto_varpool_replace_node): Allow also unanalyzed nodes;
707 relink aliases of node into prevailing node.
708 * varpool.c (varpool_remove_node): Remove aliases properly;
709 when removing node, remove all its aliases too; remove DECL_INITIAL
710 of removed node; ggc_free the varpool node.
712 2010-05-04 Richard Guenther <rguenther@suse.de>
714 PR tree-optimization/43879
715 * tree-ssa-structalias.c (alias_get_name): Use
716 DECL_ASSEMBLER_NAME if available.
717 (create_function_info_for): Return the varinfo node.
718 (ipa_pta_execute): Associate same-body aliases and extra names
719 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
721 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
723 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
726 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
729 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
730 only if HONOR_REG_ALLOC_ORDER is not defined.
732 2010-05-04 Richard Guenther <rguenther@suse.de>
734 PR tree-optimization/43949
735 * tree-vrp.c (extract_range_from_binary_expr): Only handle
738 2010-04-26 Jason Merrill <jason@redhat.com>
740 * c.opt (-fstrict-enums): New.
741 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
743 2010-05-03 David Ung <davidu@mips.com>
744 James E. Wilson <wilson@codesourcery.com>
746 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
747 emit the trap instruction before the divide for TUNE_74K.
749 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
751 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
752 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
753 based on the above, for new target hook.
755 * hooks.c (hook_bool_mode_true): New generic hook.
756 * hooks.h (hook_bool_mode_true): Add prototype.
758 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
760 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
761 target hook, set to hook_bool_mode_false.
762 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
763 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
764 with targetm.small_register_classes_for_mode_p.
765 (find_reusable_reload): Likewise.
766 (combine_reloads): Likewise.
767 * reload1.c (reload_as_needed): Likewise.
768 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
769 * ifcvt.c (noce_process_if_block, check_cond_move_block,
770 dead_or_predicable): Likewise.
771 * regmove.c (optimize_reg_copy_1): Likewise.
772 * calls.c (prepare_call_address): Likewise.
773 (precompute_register_parameters): Likewise.
775 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
777 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
778 implementation of the hook that considers all register classes
779 small except for SH64.
780 (sh_override_options): Use the new hook.
781 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
784 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
786 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
787 implementation of the hook that considers all register classes
789 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
792 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
794 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
795 implementation of the hook that considers all register classes
797 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
800 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
802 * config/m32c/m32c.h: Likewise.
803 * config/pdp11/pdp11.h: Likewise.
804 * config/avr/avr.h: Likewise.
805 * config/xtensa/xtensa.h: Likewise.
806 * config/m68hc11/m68hc11.h: Likewise.
807 * config/mn10300/mn10300.h: Likewise.
808 * config/mcore/mcore.h: Likewise.
809 * config/h8300/h8300.h: Likewise.
810 * config/bfin/bfin.h: Likewise.
812 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
813 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
815 2010-05-03 Anatoly Sokolov <aesok@post.ru>
817 * double-int.h (tree_to_double_int): Remove macro.
818 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
819 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
820 (tree_to_double_int): New function.
821 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
823 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
825 2010-05-03 Richard Guenther <rguenther@suse.de>
827 PR tree-optimization/43971
828 * tree-ssa-structalias.c (get_constraint_for_1): Fix
829 constraints in the !flag_delete_null_pointer_checks case.
831 2010-05-03 Jakub Jelinek <jakub@redhat.com>
834 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
835 result mode matches original rtl mode.
837 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
840 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
842 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
844 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
845 when processing flag options.
847 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
849 * gcov-iov.c (main): Change format string placeholder
850 from %#08x to 0x%08x.
851 * genchecksum.c (dosum): Change format string placeholder
852 from %#02x to 0x%02x.
854 2010-05-02 Richard Guenther <rguenther@suse.de>
856 PR tree-optimization/43879
857 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
859 2010-05-02 Bruno Haible <bruno@clisp.org>
861 * doc/extend.texi (Function Attributes): Fix a typo.
863 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
866 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
867 placeholder from 0x%x to %#x.
868 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
869 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
870 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
871 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
872 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
873 * config/i386/i386.c (ix86_target_string): Ditto.
874 * config/i386/i386.c (output_pic_addr_const): Ditto.
875 (print_operand): Ditto.
877 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
879 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
880 placeholder from 0x%x to %#x.
881 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
882 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
883 (ASM_OUTPUT_DEBUG_DATA): Ditto.
884 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
885 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
886 * optc-gen.awk: Ditto.
887 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
888 (HOST_WIDE_INT_PRINT_HEX): Ditto.
889 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
890 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
892 2010-05-01 Anatoly Sokolov <aesok@post.ru>
894 * target.h (struct calls): Add function_value_regno_p field.
895 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
896 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
897 * targhooks.c (default_function_value_regno_p): New function.
898 * targhooks.h (default_function_value_regno_p): Declare function.
899 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
900 * builtins.c. (apply_result_size): (Ditto.).
901 * combine.c. (likely_spilled_retval_p): (Ditto.).
902 * mode-switching.c. Include 'target.h'.
903 (create_pre_exit): Use function_value_regno_p hook.
904 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
905 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
906 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
908 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
909 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
910 (ix86_function_value_regno_p): Declare as static, change argument
911 type to const unsigned int.
912 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
914 2010-05-01 Richard Guenther <rguenther@suse.de>
916 PR tree-optimization/43949
917 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
919 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
921 2010-05-01 Anatoly Sokolov <aesok@post.ru>
923 * rtl.h (CONST_DOUBLE_P): Define.
924 (rtx_to_double_int): Declare.
925 * emit-rtl.c (rtx_to_double_int): New function.
926 * dwarf2out.c (insert_double): New function.
927 (loc_descriptor, add_const_value_attribute): Clean up, use
928 rtx_to_double_int and insert_double functions.
930 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
932 * doc/extend.texi (Inline): Add missing return keyword to examples.
933 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
936 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
938 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
939 the variable part of the offset as well. Use highest_pow2_factor for
940 all alignment checks.
942 2010-04-30 Richard Guenther <rguenther@suse.de>
944 PR tree-optimization/43879
945 * tree-ssa-structalias.c (type_could_have_pointers): Functions
948 2010-04-30 Jan Hubicka <jh@suse.cz>
950 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
952 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
954 2010-04-30 Jan Hubicka <jh@suse.cz>
956 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
958 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
959 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
960 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
961 cgraph_node_set_needs_ltrans_p): Remove.
963 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
965 * sdbout.c: Include vec.h, do not include varray.h.
966 (deferred_global_decls, sdbout_global_decl,
967 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
968 * toplev.c: Do not include varray.h.
969 (dump_memory_report): Do not dump VARRAY statistics.
970 * gengtype.c (open_base_file): Ignore varray.h.
971 * Makefile.in: Update for abovementioned changes.
972 Remove all traces of varray.c and varray.h.
973 * varray.c: Remove file.
974 * varray.h: Remove file.
976 2010-04-30 Jan Hubicka <jh@suse.cz>
978 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
981 2010-04-30 Jan Hubicka <jh@suse.cz>
983 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
986 2010-04-30 Richard Guenther <rguenther@suse.de>
988 * tree-ssa-structalias.c (get_constraint_for_1): Generate
989 constraints for CONSTRUCTOR.
991 2010-04-30 Richard Guenther <rguenther@suse.de>
994 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
995 first after all lowering passes.
997 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
999 * toplev.c: Include varray.h for statistics dumping.
1000 * tree.h: Do not declare varray_head_tag.
1001 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1002 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1003 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1004 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1005 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1006 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1007 c-common.c, c-common.h, reg-stack.c, basic-block.h,
1008 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1010 * Makefile.in: Update for abovementioned changes.
1012 2010-04-30 Jakub Jelinek <jakub@redhat.com>
1015 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1017 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1019 * config/picochip/picochip.c (picochip_legitimize_address): Define.
1020 Use this function to do machine-specific conversion.
1021 (picochip_legitimize_reload_address): Likewise.
1022 (picochip_legitimate_address_p): Check valid base register only if
1024 (picochip_check_conditional_copy): Check for modw only if opnd is
1026 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1027 to call the function in c.
1028 * config/picochip/picochip-protos.h
1029 (picochip_legitimize_reload_address): Define.
1030 * config/picochip/picochip.md (supported_compare1): Define.
1032 2010-04-30 Jan Hubicka <jh@suse.cz>
1034 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1035 (cgraph_global_info): Remove inlined.
1036 (LTO_cgraph_tag_names): Remove.
1037 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1038 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1039 simplify cgraph tags and document.
1040 (lto_output_node): Use only LTO_cgraph_unavail_node and
1041 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1042 for_functions_valid, global info, process and output flags.
1043 (input_overwrite_node): Initialize estimated stack size and
1044 estimated growth. Do not read flags we no longer store.
1045 (input_node): Likewise do not read info no longer stored.
1046 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1049 2010-04-30 Richard Guenther <rguenther@suse.de>
1051 PR tree-optimization/43879
1052 * tree-ssa-structalias.c (get_constraint_for_1): Properly
1053 handle non-zero initializers.
1055 2010-04-30 Richard Guenther <rguenther@suse.de>
1057 * builtins.c (fold_builtin_1): Delete free (0).
1059 2010-04-29 Jan Hubicka <jh@suse.cz>
1061 * gengtype.c (open_base_files): Add lto-streamer.h
1062 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1063 (pass_ipa_cp): GGC collect.
1064 * toplev. (compile_file): Do not output symbols.
1065 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1066 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1067 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1068 * lto-section-in.c: Include ggc.h
1069 (lto_new_in_decl_state): Alloc in GGC.
1070 (lto_delete_in_decl_state): Likewise.
1071 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1074 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
1077 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1078 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
1079 (HONOR_REG_ALLOC_ORDER): Describe new macro.
1080 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1081 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1082 account only if HONOR_REG_ALLOC_ORDER is not defined.
1083 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1084 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1086 2010-04-29 Jon Grant <04@jguk.org>
1088 * collect2.c (vflag): Change type from int to bool.
1090 (helpflag): New global bool.
1091 (main): Set vflag and debug with boolean, not integer truth values.
1092 Accept new "--help" option and output usage text if found.
1093 * collect2.h (vflag): Update prototype.
1096 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
1099 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1101 2010-04-29 Richard Guenther <rguenther@suse.de>
1104 * plugin.h (invoke_plugin_callbacks): Annotate arguments
1105 with ATTRIBUTE_UNUSED.
1107 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
1110 * config/i386/i386.c (get_some_local_dynamic_name): Replace
1111 INSN_P with NONDEBUG_INSN_P.
1112 (distance_non_agu_define): Likewise.
1113 (distance_agu_use): Likewise.
1115 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
1117 From Dominique d'Humieres <dominiq@lps.ens.fr>
1119 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1122 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
1124 * plugin.h (invoke_plugin_callbacks): New inline function.
1125 * plugin.c (flag_plugin_added): New global flag.
1126 (add_new_plugin): Initialize above flag.
1127 (invoke_plugin_callbacks): Rename to ...
1128 (invoke_plugin_callbacks_full): ... this.
1130 2010-04-28 Jan Hubicka <jh@suse.cz>
1132 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1133 (lto_varpool_replace_node): New.
1134 (lto_symtab_resolve_symbols): Resolve varpool nodes.
1135 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1136 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1137 * cgraph.h (varpool_node_ptr): New type.
1138 (varpool_node_ptr): New vector.
1139 (varpool_node_set_def): New structure.
1140 (varpool_node_set): New type.
1141 (varpool_node_set): New vector.
1142 (varpool_node_set_element_def): New structure.
1143 (varpool_node_set_element, const_varpool_node_set_element): New types.
1144 (varpool_node_set_iterator): New type.
1145 (varpool_node): Add prev pointers, add used_from_other_partition,
1147 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1148 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1149 varpool_get_node, varpool_remove_node): Declare.
1150 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1151 varpool_node_set_size): New inlines.
1152 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1153 * tree-pass.h (varpool_node_set_def): Forward declare.
1154 (ipa_opt_pass_d): Summary writting takes vnode sets too.
1155 (ipa_write_optimization_summaries): Update prototype.
1156 * ipa-cp.c (ipcp_write_summary): Update.
1157 * ipa-reference.c (ipa_reference_write_summary): Update.
1158 * lto-cgraph.c (lto_output_varpool_node): New static function.
1159 (output_varpool): New function.
1160 (input_varpool_node): New static function.
1161 (input_varpool_1): New function.
1162 (input_cgraph): Input varpool.
1163 * ipa-pure-const.c (pure_const_write_summary): Update.
1164 * lto-streamer-out.c (lto_output): Update, output varpool too.
1165 (write_global_stream): Kill WPA hack.
1166 (produce_asm_for_decls): Update.
1167 (output_alias_pair_p): Handle variables.
1168 (output_unreferenced_globals): Output only needed partition of varpool.
1169 * ipa-inline.c (inline_write_summary): Update.
1170 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1172 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1173 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1174 varpool_node_set_new, varpool_node_set_add,
1175 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1176 debug_varpool_node_set): New functions.
1177 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1178 (execute_one_pass): Process new decls too.
1179 (ipa_write_summaries_2): Pass around vsets.
1180 (ipa_write_summaries_1): Likewise.
1181 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1183 (ipa_write_optimization_summaries_1): Pass around vsets.
1184 (ipa_write_optimization_summaries): Likewise.
1185 * varpool.c (varpool_get_node): New.
1186 (varpool_node): Update doubly linked lists.
1187 (varpool_remove_node): New.
1188 (dump_varpool_node): More dumping.
1189 (varpool_enqueue_needed_node): Update doubly linked lists.
1190 (decide_is_variable_needed): Kill ltrans hack.
1191 (varpool_finalize_decl): Kill lto hack.
1192 (varpool_assemble_decl): Skip decls in other partitions.
1193 (varpool_assemble_pending_decls): Update doubly linkes lists.
1194 (varpool_empty_needed_queue): Likewise.
1195 (varpool_extra_name_alias): Likewise.
1196 * lto-streamer.c (lto_get_section_name): Add vars section.
1197 * lto-streamer.h (lto_section_type): Update.
1198 (output_varpool, input_varpool): Declare.
1200 2010-04-28 Mike Stump <mikestump@comcast.net>
1202 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1204 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1206 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1207 record or union type with RECORD_OR_UNION_TYPE_P predicate.
1208 (lto_input_ts_type_tree_pointers): Likewise.
1209 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1210 (lto_output_ts_type_tree_pointers): Likewise.
1212 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1214 Uniquization of constants at the Tree level
1215 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1216 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1218 (tree_output_constant_def): Declare.
1219 * gimplify.c (gimplify_init_constructor): When using block copy, first
1220 uniquize the constant constructor on the RHS.
1221 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1222 DECL_IN_CONSTANT_POOL flag.
1223 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1224 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1226 (assemble_variable): Deal with symbols belonging to the tree constant
1228 (get_constant_section): Add ALIGN parameter and simplify.
1229 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1230 (assemble_constant_contents): Use the expression of the VAR_DECL.
1231 (output_constant_def_contents): Use the alignment of the VAR_DECL.
1232 (tree_output_constant_def): New global function.
1233 (mark_constant): Use the expression of the VAR_DECL.
1234 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1236 (output_object_block): Likewise and assemble the expression.
1238 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1240 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1241 hash_tree, eq_tree): New tree hash table.
1242 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1243 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1244 lto_orig_address_remove): Reimplement.
1246 2010-04-28 Xinliang David Li <davidxl@google.com>
1249 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1250 (compute_uninit_opnds_pos): New function.
1251 (is_non_loop_exit_postdominating): New function.
1252 (compute_control_dep_chain): New function.
1253 (find_pdom): New function.
1254 (convert_control_dep_chain_into_preds): New function.
1255 (find_predicates): New function.
1256 (find_control_equiv_block): New function.
1257 (collect_phi_def_edges): New function.
1258 (find_def_preds): New function.
1259 (find_dom): New function.
1260 (dump_predicates): New function.
1261 (get_cmp_code): New function.
1262 (is_value_included_in): New function.
1263 (find_matching_predicate_in_rest_chains): New function.
1264 (use_pred_not_overlap_with_undef_path_pred): New function.
1265 (is_use_properly_guarded): New function.
1266 (normalize_cond_1): New function.
1267 (is_and_or_or): New function.
1268 (normalize_cond): New function.
1269 (is_gcond_subset_of): New function.
1270 (is_subset_of_any): New function.
1271 (is_or_set_subset_of): New function.
1272 (is_and_set_subset_of): New function.
1273 (is_norm_cond_subset_of): New function.
1274 (is_pred_expr_subset_of): New function.
1275 (is_pred_chain_subset_of): New function.
1276 (is_included_in): New function.
1277 (is_superset_of): New function.
1278 (find_uninit_use): New function.
1279 (warn_uninitialized_phi): New function.
1280 (compute_possibly_undefined_names): New function.
1281 (ssa_undefined_value_p): New function.
1282 (execute_late_warn_uninitialized): New function.
1283 * tree-ssa.c (ssa_undefined_value_p): Removed.
1284 (warn_uninit): Changed to extern.
1285 (warn_uninitialized_phi): Removed.
1286 (warn_uninitialized_vars): Changed to extern.
1287 (execute_late_warn_uninitialized): Removed
1288 * tree-flow.h: Add new prototypes.
1289 * timevar.def: Add new time variable.
1290 * Makefile.in: Add new build file.
1292 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
1294 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1297 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1300 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1302 2010-04-28 Martin Jambor <mjambor@suse.cz>
1304 * cgraph.h (struct cgraph_node): New field indirect_calls.
1305 (struct cgraph_indirect_call_info): New type.
1306 (struct cgraph_edge): Removed field indirect_call. New fields
1307 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1308 (cgraph_create_indirect_edge): Declare.
1309 (cgraph_make_edge_direct): Likewise.
1310 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1311 * ipa-prop.h (struct ipa_param_call_note): Removed.
1312 (struct ipa_node_params): Removed field param_calls.
1313 (ipa_create_all_structures_for_iinln): Declare.
1314 * cgraph.c: Described indirect edges and uids in initial comment.
1315 (cgraph_add_edge_to_call_site_hash): New function.
1316 (cgraph_edge): Search also among the indirect edges, use
1317 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1318 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1319 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1321 (initialize_inline_failed): Assign a reason to indirect edges.
1322 (cgraph_create_edge_1): New function.
1323 (cgraph_create_edge): Moved some functionality to
1324 cgraph_create_edge_1.
1325 (cgraph_create_indirect_edge): New function.
1326 (cgraph_edge_remove_callee): Add an assert checking for
1328 (cgraph_edge_remove_caller): Special-case indirect edges.
1329 (cgraph_remove_edge): Likewise.
1330 (cgraph_set_edge_callee): New function.
1331 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1332 (cgraph_make_edge_direct): New function.
1333 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1334 the declaration of the call statement matches.
1335 (cgraph_node_remove_callees): Special-case indirect edges.
1336 (cgraph_clone_edge): Likewise.
1337 (cgraph_clone_node): Clone also the indirect edges.
1338 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1339 indirect_call, dump count of indirect_calls edges.
1340 * ipa-prop.c (iinlining_processed_edges): New variable.
1341 (ipa_note_param_call): Create indirect edges instead of
1342 creating notes. New parameter node.
1343 (ipa_analyze_call_uses): New parameter node, pass it on to
1344 ipa_note_param_call.
1345 (ipa_analyze_stmt_uses): Likewise.
1346 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1347 (print_edge_addition_message): Work on edges rather than on notes.
1348 (update_call_notes_after_inlining): Likewise, renamed to
1349 update_indirect_edges_after_inlining.
1350 (ipa_create_all_structures_for_iinln): New function.
1351 (ipa_free_node_params_substructures): Do not free notes.
1352 (ipa_edge_duplication_hook): Propagate bits within
1353 iinlining_processed_edges bitmap.
1354 (ipa_node_duplication_hook): Do not duplicate notes.
1355 (free_all_ipa_structures_after_ipa_cp): Renamed to
1356 ipa_free_all_structures_after_ipa_cp.
1357 (free_all_ipa_structures_after_iinln): Renamed to
1358 ipa_free_all_structures_after_iinln.g
1359 (ipa_write_param_call_note): Removed.
1360 (ipa_read_param_call_note): Removed.
1361 (ipa_write_indirect_edge_info): New function.
1362 (ipa_read_indirect_edge_info): Likewise.
1363 (ipa_write_node_info): Do not stream notes, do stream information
1365 (ipa_read_node_info): Likewise.
1366 (lto_ipa_fixup_call_notes): Removed.
1367 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1368 * ipa-inline.c (pass_ipa_inline): Likewise.
1369 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1370 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1371 * tree-inline.c (copy_bb): Removed an unnecessary double check for
1373 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1375 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1376 (output_cgraph): Stream also indirect edges.
1377 (lto_output_edge): Added capability to stream indirect edges.
1378 (input_edge): Likewise.
1379 (input_cgraph_1): Likewise.
1380 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1383 2010-04-28 Richard Guenther <rguenther@suse.de>
1385 PR tree-optimization/43879
1386 PR tree-optimization/43909
1387 * tree-ssa-structalias.c (struct variable_info): Add
1388 only_restrict_pointers flag.
1389 (new_var_info): Initialize it. Increment stats.total_vars here.
1390 (create_function_info_for): Do not increment stats.total_vars
1392 (get_function_part_constraint): Fix build with C++.
1393 (insert_into_field_list): Remove.
1394 (push_fields_onto_fieldstack): Properly merge fields.
1395 (create_variable_info_for): Split and simplify.
1396 (create_variable_info_for_1): New piece.
1397 (intra_create_variable_infos): Properly make restrict constraints
1400 2010-04-28 Richard Guenther <rguenther@suse.de>
1403 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1405 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
1406 Jan Hubicka <hubicka@ucw.cz>
1408 * doc/invoke.texi (-Wsuggest-attribute=const,
1409 -Wsuggest-attribute=pure): Document.
1410 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1411 (function_always_visible_to_compiler_p,
1412 suggest_attribute, warn_function_pure, warn_function_const):
1414 (check_call): Improve debug info.
1415 (analyze_function): Do not check availability.
1416 (add_new_function): Check availability.
1417 (propagate): Output warnings.
1418 (skip_function_for_local_pure_const): New function.
1419 (local_pure_const): Use it; output warnings.
1420 * common.opt (Wsuggest-attribute=const,
1421 Wsuggest-attribute=pure): New.
1423 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1425 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1426 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1427 or DW_CFA_def_cfa_offset{,_sf}.
1429 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1431 * tree.h: Fix truncated long macros.
1433 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
1435 * collect2.c (TARGET_64BIT): Redefine to target's default.
1436 * tlink.c: Likewise.
1437 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1438 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1439 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1440 for underscoring __USER_LABEL_PREFIX__.
1441 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1442 (SUB_LINK_ENTRY32): New.
1443 (SUB_LINK_ENTRY64): New.
1444 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1445 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1446 (SUB_LINK_ENTRY64): New.
1447 (SUB_LINK_ENTRY): New.
1448 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1449 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1450 x64 target is choosen.
1451 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1452 * configure: Regenerated.
1453 * configure.ac (leading-mingw64-underscores): Option added.
1455 2010-04-27 Jan Hubicka <jh@suse.cz>
1457 * doc/invoke.texi (-fipa-profile): Document.
1458 * opts.c (decode_options): Enable ipa-profile at -O1.
1459 * timevar.def (TV_IPA_PROFILE): Define.
1460 * common.opt (fipa-profile): Add.
1461 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1463 (cgraph_propagate_frequency): Handle only local ones.
1464 * tree-pass.h (pass_ipa_profile): Declare.
1465 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1466 (pass_ipa_profile): Use TV_IPA_PROFILE.
1467 * ipa.c (ipa_profile): New function.
1468 (gate_ipa_profile): Likewise.
1469 (pass_ipa_profile): New global variable.
1470 * passes.c (pass_ipa_profile): New.
1472 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
1474 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1476 2010-04-27 Martin Jambor <mjambor@suse.cz>
1479 * ipa.c (dissolve_same_comdat_group_list): New function.
1480 (function_and_variable_visibility): Call
1481 dissolve_same_comdat_group_list when comdat group contains external or
1483 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1484 lists are circular and that they contain only DECL_ONE_ONLY nodes.
1486 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1488 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1489 (const_hash_1) <VECTOR_CST>: New case.
1490 (compare_constant) <VECTOR_CST>: Likewise.
1491 <ADDR_EXPR>: Deal with LABEL_REFs.
1492 (copy_constant) <VECTOR_CST>: New case.
1494 2010-04-27 Jan Hubicka <jh@suse.cz>
1496 * cgraph.c (cgraph_propagate_frequency): New function.
1497 * cgraph.h (cgraph_propagate_frequency): Declare.
1498 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1499 cgraph_propagate_frequency.
1501 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1503 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1505 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
1508 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1509 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1510 here to determine which regs to push and how much stack to reserve.
1512 2010-04-27 Jie Zhang <jie@codesourcery.com>
1514 * doc/gimple.texi (gimple_statement_with_ops): Remove
1515 addresses_taken field.
1516 (gimple_statement_with_memory_ops): Likewise.
1518 2010-04-27 Jan Hubicka <jh@suse.cz>
1520 * tree-inline.c (eni_inlining_weights): Remove.
1521 (estimate_num_insns): Special case more builtins.
1523 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
1526 * c-typeck.c (build_binary_op): Move forward check for comparison
1527 pointer with null pointer constant and adjust the diagnostic message.
1529 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
1532 * configure.ac (gcc_cv_as_section_has_align): Set if installed
1533 binutils supports extended .section directive needed by LTO, or
1534 warn if older binutils found.
1535 (LTO_BINARY_READER): New AC_SUBST'd variable.
1536 (LTO_USE_LIBELF): Likewise.
1537 * gcc/config.gcc (lto_binary_reader): New target-specific configure
1539 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1540 (LTO_USE_LIBELF): Likewise.
1541 * configure: Regenerate.
1543 * collect2.c (is_elf): Rename from this ...
1544 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1545 object files in addition to ELF-formatted ones.
1546 (scan_prog_file): Caller updated. Also allow for LTO info marker
1547 symbol to be prefixed or not by an extra underscore.
1549 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1550 * config/i386/winnt.c: Also #include lto-streamer.h
1551 (i386_pe_asm_named_section): Specify 1-byte section alignment for
1553 (i386_pe_asm_output_aligned_decl_common): Add comment.
1554 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1556 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
1559 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1560 Add missing earlyclobber for second alternative.
1562 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
1564 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1565 bits for artificial defs at the top of the block.
1566 * fwprop.c (single_def_use_enter_block): Don't call it.
1568 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
1571 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1572 instead of "$gcc_cv_objdump -T".
1573 Use "-undefined dynamic_lookup" on darwin.
1574 * gcc/configure: Regenerate.
1576 2010-04-26 Jakub Jelinek <jakub@redhat.com>
1579 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1581 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1583 * c-parser.c (struct c_token): Move location field up.
1584 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1585 (struct c_declspecs): Convert typespec_word, storage_class, and
1586 default_int_p into bitfields.
1587 (struct c_declarator): Move loc field up.
1589 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1591 * cfgloop.h (struct loop): Move can_be_parallel field up.
1592 * ipa-prop.h (struct ip_node_params): Move bitfields up.
1593 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1595 (struct iv_cand): Convert pos field into a bitfield.
1596 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1598 (struct _stmt_vec_info): Shuffle fields for better packing.
1600 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1602 * varasm.c (IN_NAMED_SECTION): Remove guard.
1603 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1604 (IN_NAMED_SECTION_P): ...this.
1605 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1606 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1608 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1610 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1611 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
1612 of shadowing it. Fix comments.
1614 2010-04-26 Jan Hubicka <jh@suse.cz>
1616 * cgraph.c (cgraph_create_node): Set node frequency to normal.
1617 (cgraph_clone_node): Copy function frequency.
1618 * cgraph.h (node_frequency): New enum
1619 (struct cgraph_node): Add.
1620 * final.c (rest_of_clean_state): Update.
1621 * lto-cgraph.c (lto_output_node): Output node frequency.
1622 (input_overwrite_node): Input node frequency.
1623 * tre-ssa-loop-ivopts (computation_cost): Update.
1624 * lto-streamer-out.c (output_function): Do not output function
1626 * predict.c (maybe_hot_frequency_p): Update and handle functions
1628 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1630 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1631 (compute_function_frequency): Set noreturn functions to be executed
1633 (choose_function_section): Update.
1634 * lto-streamer-in.c (input_function): Do not input function frequency.
1635 * function.c (allocate_struct_function): Do not initialize function
1637 * function.h (function_frequency): Remove.
1638 (struct function): Remove function frequency.
1639 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1640 (try_update): Update.
1641 * tree-inline.c (initialize_cfun): Do not update function frequency.
1642 * passes.c (pass_init_dump_file): Update.
1643 * i386.c (ix86_compute_frame_layout): Update.
1644 (ix86_pad_returns): Update.
1646 2010-04-26 Jie Zhang <jie@codesourcery.com>
1648 PR tree-optimization/43833
1649 * tree-vrp.c (range_int_cst_p): New.
1650 (range_int_cst_singleton_p): New.
1651 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1652 when both operands are constants. Use range_int_cst_p in
1655 2010-04-26 Jan Hubicka <jh@suse.cz>
1657 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1659 2010-04-26 Richard Guenther <rguenther@suse.de>
1662 * gimple.c (gimple_decl_printable_name): Deal gracefully
1663 with a NULL DECL_NAME.
1665 2010-04-26 Richard Guenther <rguenther@suse.de>
1668 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1669 if emitting debug information and it is either a function
1670 or a namespace decl.
1672 2010-04-26 Ira Rosen <irar@il.ibm.com>
1674 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1675 determine if the statement is vectorizable, and a macro to access it.
1676 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1677 Skip statements that can't be vectorized. If the analysis fails,
1678 mark the statement as unvectorizable if vectorizing basic block.
1679 (vect_compute_data_refs_alignment): Likewise.
1680 (vect_verify_datarefs_alignment): Skip statements marked as
1681 unvectorizable. Add print.
1682 (vect_analyze_group_access): Skip statements that can't be
1683 vectorized. If the analysis fails, mark the statement as
1684 unvectorizable if vectorizing basic block.
1685 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1686 * tree-vect-stmts.c (vectorizable_store): Fix the number of
1687 generated stmts for SLP.
1688 (new_stmt_vec_info): Initialize the new field.
1689 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1690 statements marked as unvectorizable.
1692 2010-04-25 Joseph Myers <joseph@codesourcery.com>
1694 * c-common.c (flag_isoc1x): New.
1695 (flag_isoc99): Update comment.
1696 * c-common.h (flag_isoc1x): New.
1697 (flag_isoc99): Update comment.
1698 * c-cppbuiltin.c (builtin_define_float_constants): Also define
1699 __<type>_DECIMAL_DIG__.
1700 * c-opts.c (set_std_c1x): New.
1701 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1702 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1703 * c.opt (-std=c1x, -std=gnu1x): New options.
1704 * doc/cpp.texi: Mention -std=c1x.
1705 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1706 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1707 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1708 * doc/standards.texi: Mention C1X.
1709 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1710 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1711 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1714 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
1716 * config/i386/gmon-sol2.c (_mcleanup): Change format string
1717 placeholder from 0x%x to %#x.
1718 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1719 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1720 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1721 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1722 * config/i386/i386.c (ix86_target_string): Ditto.
1723 (output_pic_addr_const): Ditto.
1724 (print_operand): Ditto.
1726 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
1728 * combine.c (find_split_point): Add third argument. Use it
1729 to find nested multiply-accumulate instructions. Adjust calls.
1730 (try_combine): Adjust call to find_split_point.
1732 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
1734 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1736 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
1738 PR tree-optimization/41442
1739 * fold-const.c (merge_truthop_with_opposite_arm): New function.
1740 (fold_binary_loc): Call it.
1742 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1744 * toplev.c (general_init): Set default for fdiagnostics-show-option.
1745 * opts.c (common_handle_option): Allow disabling it.
1746 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1748 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
1750 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1751 between modes if both types are integral.
1753 2010-04-23 Richard Guenther <rguenther@suse.de>
1755 PR tree-optimization/43572
1756 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1758 2010-04-23 Richard Guenther <rguenther@suse.de>
1761 * tree-inline.c (tree_can_inline_p): Also check compatibility
1764 2010-04-23 Martin Jambor <mjambor@suse.cz>
1766 PR tree-optimization/43846
1767 * tree-sra.c (struct access): New flag grp_assignment_read.
1768 (build_accesses_from_assign): Set grp_assignment_read.
1769 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1770 (enum mark_read_status): New type.
1771 (analyze_access_subtree): Propagate grp_assignment_read, create
1772 accesses also if both direct_read and root->grp_assignment_read.
1774 2010-04-23 Martin Jambor <mjambor@suse.cz>
1777 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1778 function does not have type attributes.
1780 2010-04-23 Richard Guenther <rguenther@suse.de>
1783 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1786 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1788 * sese.h (create_if_region_on_edge): Remove.
1790 * sese.c (create_if_region_on_edge): Make static.
1792 * tree-inline.c: Do not include ggc.h.
1794 * expr.c: Do not include ggc.h.
1796 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1799 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
1802 * config/sh/sh.c (find_barrier): Don't emit a constant pool
1803 in the middle of insns for casesi_worker_2.
1805 2010-04-22 David Edelsohn <edelsohn@gnu.org>
1807 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1809 2010-04-22 Ira Rosen <irar@il.ibm.com>
1811 PR tree-optimization/43842
1812 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1813 loop unrolling in update of exit phis. Fix comment.
1814 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1815 least two reduction statements in the loop before starting SLP
1818 2010-04-22 Nick Clifton <nickc@redhat.com>
1820 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1822 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
1824 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1827 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1829 * tree-parloops.c (loop_parallel_p): New argument
1830 parloop_obstack. Pass it down.
1831 (parallelize_loops): New variable parloop_obstack. Initialize it,
1832 pass it down, free it.
1834 * tree-loop-linear.c (linear_transform_loops): Pass down
1837 * tree-data-ref.h (lambda_compute_access_matrices): New argument
1838 of type struct obstack *.
1840 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1841 scratch_obstack. Initialize it, pass down, free it.
1843 * lambda.h (lambda_loop_new): Remove.
1844 (lambda_matrix_new, lambda_matrix_inverse)
1845 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1846 argument of type struct obstack *.
1848 * lambda-trans.c (lambda_trans_matrix_new): New argument
1849 lambda_obstack. Pass it down, use obstack allocation for ret.
1850 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
1853 * lambda-mat.c (lambda_matrix_get_column)
1854 (lambda_matrix_project_to_null): Remove.
1855 (lambda_matrix_new): New argument lambda_obstack. Use obstack
1857 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1860 * lambda-code.c (lambda_loop_new): New function.
1861 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1862 (lambda_compute_auxillary_space, lambda_compute_target_space)
1863 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1864 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1865 (build_access_matrix): New argument lambda_obstack. Use obstack
1867 (lambda_compute_step_signs, lambda_compute_access_matrices): New
1868 argument lambda_obstack. Pass it down.
1870 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1872 * optabs.h (expand_widening_mult): Declare.
1874 2010-04-22 Richard Guenther <rguenther@suse.de>
1876 PR tree-optimization/43845
1877 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1878 lookup the CALL_EXPR function and arguments.
1880 2010-04-22 Nick Clifton <nickc@redhat.com>
1882 * config/stormy16/stormy16.c
1883 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1884 * config/stormy16/stormy16.h: Tidy up formatting.
1885 (DONT_USE_BUILTIN_SETJMP): Remove definition.
1886 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1887 (ineqbranchsi): Delete pattern.
1888 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1889 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1890 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1891 stormy16-lib2-ucmpsi2.c.
1893 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1895 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1896 df_simulate_find_noclobber_defs as appropriate. Keep track of an
1897 extra set merge_set_noclobber, and use it to relax the final test
1899 * df.h (df_simulate_find_noclobber_defs): Declare.
1900 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1902 (df_simulate_find_noclobber_defs): New function.
1904 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
1906 * config/i386/i386.md: Use {} around multi-line preparation statements.
1908 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1910 * c-tree.h (push_init_level, pop_init_level, set_init_index)
1911 (process_init_element): New argument of type struct obstack *.
1913 * c-typeck.c (push_init_level, pop_init_level, set_designator)
1914 (set_init_index, set_init_label, set_nonincremental_init)
1915 (set_nonincremental_init_from_string, find_init_member)
1916 (output_init_element, output_pending_init_elements)
1917 (process_init_element): New argument braced_init_obstack. Pass it
1919 (push_range_stack, add_pending_init): New argument
1920 braced_init_obstack. Use obstack allocation.
1922 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1923 braced_init_obstack. Pass it down.
1924 (c_parser_braced_init): New variables ret, braced_init_obstack.
1925 Initialize obstack, pass it down and finally free it.
1927 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1930 * tree-pass.h (pass_optimize_widening_mul): Declare.
1931 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1932 gate_optimize_widening_mul): New static functions.
1933 (pass_optimize_widening_mul): New.
1934 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1935 <case MULT_EXPR>: Remove support for widening multiplies.
1936 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1937 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1938 simplify_gen_unary rather than directly building extensions.
1939 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1941 * expmed.c (expand_widening_mult): New function.
1942 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1944 2010-04-21 Jan Hubicka <jh@suse.cz>
1946 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1947 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1948 * lto-wpa-fixup.c: Remove.
1949 * Makefile.in (lto-wpa-fixup.o): Remove.
1950 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1951 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1952 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1954 2010-04-21 Jan Hubicka <jh@suse.cz>
1956 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1957 add write_optimization_summary, read_optimization_summary.
1958 (ipa_write_summaries_of_cgraph_node_set): Remove.
1959 (ipa_write_optimization_summaries): Declare.
1960 (ipa_read_optimization_summaries): Declare.
1961 * ipa-cp.c (pass_ipa_cp): Update.
1962 * ipa-reference.c (pass_ipa_reference): Update.
1963 * ipa-pure-const.c (pass_ipa_pure_const): Update.
1964 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1966 * ipa-inline.c (pass_ipa_inline): Update.
1967 * ipa.c (pass_ipa_whole_program): Update.
1968 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1969 * passes.c (ipa_write_summaries_1): Do not test wpa.
1970 (ipa_write_optimization_summaries_1): New.
1971 (ipa_write_optimization_summaries): New.
1972 (ipa_read_summaries): Do not test ltrans.
1973 (ipa_read_optimization_summaries_1): New.
1974 (ipa_read_optimization_summaries): New.
1976 2010-04-21 Jan Hubicka <jh@suse.cz>
1978 * lto-cgraph.c (lto_output_node): Do not output comdat groups
1980 (output_cgraph): Do not arrange comdat groups for boundary nodes.
1982 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1985 * dwarf2out.c (add_name_and_src_coords_attributes): Add
1986 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1988 2010-04-21 Jan Hubicka <jh@suse.cz>
1990 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1992 2010-04-21 Jan Hubicka <jh@suse.cz>
1994 * varpool.c (decide_is_variable_needed): Variable is always needed
1997 2010-04-21 Jan Hubicka <jh@suse.cz>
1999 * opts.c (decode_options): Enable pure-const pass for whopr.
2001 2010-04-21 Jan Hubicka <jh@suse.cz>
2003 * cgraph.c (dump_cgraph_node): Dump also assembler name.
2004 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2006 (cgraph_decide_inlining): Do not expect callee to be removed in all
2009 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
2011 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2013 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
2015 * config/i386/i386.md (x86_shrd): Add athlon_decode and
2016 amdfam10_decode attributes.
2018 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2021 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2022 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2023 (lower_copyprivate_clauses): Use private var in outer
2024 context instead of original var. Make sure the types
2025 are correct for VLAs.
2027 2010-04-21 Richard Guenther <rguenther@suse.de>
2029 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2030 to non-pointer objects.
2032 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2034 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
2035 last chain entry if it starts with the still current label.
2036 (add_location_or_const_value_attribute): Check that
2037 loc_list->first->next is NULL instead of comparing ->first with ->last.
2038 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2039 to add_var_loc_to_decl.
2041 * dwarf2out.c (output_call_frame_info): For dw_cie_version
2042 >= 4 add also address size and segment size fields into CIE header.
2044 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2045 long as address size is the same as sizeof (void *) and
2047 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
2048 address size or segment size is unexpected, return DW_EH_PE_omit.
2049 (classify_object_over_fdes): If get_cie_encoding returned
2050 DW_EH_PE_omit, return -1.
2051 (init_object): If classify_object_over_fdes returned -1,
2052 pretend there were no FDEs at all.
2054 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
2056 * config/i386/i386.md (bswap<mode>2): Macroize expander from
2057 bswap{si,di}2 using SWI48 mode iterator.
2058 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2059 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
2060 set modrm attribute of bswap insn to 0 and remove length attribute.
2061 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2062 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
2063 set mode attribute to <MODE> and remove length attribute.
2065 2010-04-20 James E. Wilson <wilson@codesourcery.com>
2067 PR rtl-optimization/43520
2068 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2069 zero available registers.
2071 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2073 * builtins.c (fold_builtin_cproj): Fold more cases.
2075 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2077 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2078 (fold_builtin_1): Fold builtin cproj.
2079 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2080 Use ATTR_CONST_NOTHROW_LIST.
2082 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
2084 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2085 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
2086 ffsi2_no_cmove for !TARGET_CMOVE.
2087 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
2088 (ffssi2): Remove expander.
2089 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2091 (ctz<mode>2): Ditto from ctz{si,di}2.
2092 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2094 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2097 2010-04-20 Jakub Jelinek <jakub@redhat.com>
2099 * dwarf2out.c (AT_linkage_name): Define.
2100 (clone_as_declaration): Handle DW_AT_linkage_name.
2101 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2102 of DW_AT_MIPS_linkage_name.
2103 (move_linkage_attr): Likewise.
2104 (dwarf2out_finish): Likewise.
2106 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
2109 * fold-const.c (fold_comparison): New folding rule.
2111 2010-04-20 Anatoly Sokolov <aesok@post.ru>
2113 * double-int.h (double_int_setbit): Declare.
2114 * double-int.c (double_int_setbit): New function.
2115 * rtl.h (immed_double_int_const): Declare.
2116 * emit-rtl.c (immed_double_int_const): New function.
2117 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2118 and immed_double_int_const functions.
2119 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2120 expand_copysign_bit): (Ditto.).
2121 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2122 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2123 * dojump.c (prefer_and_bit_test): (Ditto.).
2124 * expr.c (convert_modes, reduce_to_bit_field_precision,
2125 const_vector_from_tree): (Ditto.).
2126 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2128 2010-04-20 Jan Hubicka <jh@suse.cz>
2130 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2131 (dump_cgraph_node): Dump new flags.
2132 * cgraph.h (struct cgraph_node): Add flags
2133 reachable_from_other_partition and in_other_partition.
2134 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2135 other partition can not be removed.
2136 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2137 the other partition must be output; silence sanity checking on
2138 leaking functions bodies from other paritition.
2139 * lto-cgraph.c (reachable_from_other_partition_p): New function.
2140 (lto_output_node): Output new flags; do not sanity check that inline
2141 clones are output; drop lto_forced_extern_inline_p code; do not mock
2142 visibility flags at partition boundaries.
2143 (add_node_to): New function.
2144 (output_cgraph): Use it to sort functions so masters appear before
2146 (input_overwrite_node): Input new flags.
2147 * passes.c (ipa_write_summaries): Do not call
2148 lto_new_extern_inline_states.
2149 * lto-section-out.c (forced_extern_inline,
2150 lto_new_extern_inline_states lto_delete_extern_inline_states,
2151 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2152 * lto-streamer.h (lto_new_extern_inline_states,
2153 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2154 lto_forced_extern_inline_p): Kill.
2156 2010-04-20 Richard Guenther <rguenther@suse.de>
2158 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2159 from vars that can have pointers.
2160 (process_constraint): Dump useless constraints.
2162 2010-04-20 Richard Guenther <rguenther@suse.de>
2164 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2165 (dump_sa_points_to_info): Remove asserts.
2166 (init_base_vars): nothing_id isn't an escape point nor does it
2169 2010-04-20 Jakub Jelinek <jakub@redhat.com>
2171 * tree.h (TYPE_REF_IS_RVALUE): Define.
2172 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2173 should_move_die_to_comdat, prune_unused_types_walk): Handle
2174 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2175 (modified_type_die, gen_reference_type_die): Emit
2176 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2177 if TYPE_REF_IS_RVALUE and -gdwarf-4.
2179 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2182 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2183 calls for -fpic -m31 if they have been sibcall optimized.
2185 2010-04-19 James E. Wilson <wilson@codesourcery.com>
2187 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2188 ar.lc fixed and call-used.
2190 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2192 2010-04-19 Jan Hubicka <jh@suse.cz>
2194 * opts.c (decode_options): Disable whpr incompatible passes.
2195 * lto/lto.c (lto_1_to_1_map): Skip clones.
2196 (read_cgraph_and_symbols): Do not mark everything as needed.
2197 (do_whole_program_analysis): Do map only after optimizing;
2198 set proper cgraph_state; use passmanager.
2200 2010-04-19 DJ Delorie <dj@redhat.com>
2202 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2203 POINTER_PLUS_EXPR and fix them.
2205 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
2207 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2208 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2209 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2210 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2211 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2212 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2213 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2214 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2215 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2216 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2217 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2219 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
2221 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2222 (check_cond_move_block): Likewise.
2223 (cond_move_process_if_block): Likewise.
2224 (noce_find_if_block): Improve formatting.
2225 (find_if_header): Pass 0 to memset and tweak conditions.
2226 (cond_exec_find_if_block): Fix long lines and tweak conditions.
2228 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2230 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2234 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2235 with non-local decl doesn't need chain.
2237 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
2239 * ira-color.c (allocno_reload_assign): Avoid accumulating
2240 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2242 2010-04-19 Martin Jambor <mjambor@suse.cz>
2244 * gimple.h (create_tmp_reg): Declare.
2245 * gimplify.c (create_tmp_reg): New function.
2246 (gimplify_return_expr): Use create_tmp_reg.
2247 (gimplify_omp_atomic): Likewise.
2248 (gimple_regimplify_operands): Likewise.
2249 * tree-dfa.c (make_rename_temp): Likewise.
2250 * tree-predcom.c (predcom_tmp_var): Likewise.
2251 (reassociate_to_the_same_stmt): Likewise.
2252 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2253 (get_replaced_param_substitute): Likewise.
2254 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2255 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2256 * tree-ssa-pre.c (get_representative_for): Likewise.
2257 (create_expression_by_pieces): Likewise.
2258 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2259 (create_tailcall_accumulator): Likewise.
2261 2010-04-19 Martin Jambor <mjambor@suse.cz>
2263 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2265 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2267 2010-04-19 Richard Guenther <rguenther@suse.de>
2269 PR tree-optimization/43796
2270 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2271 from SCEV in the lattice.
2272 (vrp_visit_phi_node): Dump change.
2274 2010-04-19 Richard Guenther <rguenther@suse.de>
2276 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2277 * configure: Re-generated.
2279 2010-04-19 Richard Guenther <rguenther@suse.de>
2281 PR tree-optimization/43783
2282 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2283 constant ARRAY_REF operands two and three if possible.
2285 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
2288 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2290 2010-04-19 Jie Zhang <jie@codesourcery.com>
2293 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2295 2010-04-19 Ira Rosen <irar@il.ibm.com>
2297 PR tree-optimization/37027
2298 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2299 and macro to access it.
2300 (vectorizable_reduction): Add argument.
2301 (vect_get_slp_defs): Likewise.
2302 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2303 statements for possible use in SLP.
2304 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2305 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2306 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2308 (vectorizable_reduction): Likewise.
2309 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2311 (vectorizable_type_demotion, vectorizable_type_promotion,
2312 vectorizable_store): Likewise.
2313 (vect_analyze_stmt): Update call to vectorizable_reduction.
2314 (vect_transform_stmt): Likewise.
2315 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2316 (vect_build_slp_tree): Fix indentation. Check that there are no loads
2317 from different interleaving chains in same node.
2318 (vect_slp_rearrange_stmts): New function.
2319 (vect_supported_load_permutation_p): Allow load permutations for
2320 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2321 inside SLP nodes if necessary.
2322 (vect_analyze_slp_instance): Handle reductions.
2323 (vect_analyze_slp): Try to build SLP instances originating from groups
2325 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2326 (vect_get_constant_vectors): Create initial vectors for reductions
2327 according to reduction code. Add new argument.
2328 (vect_get_slp_defs): Add new argument, pass it to
2329 vect_get_constant_vectors.
2330 (vect_schedule_slp_instance): Remove SLP tree root statements.
2332 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2334 * tree.h (ENUM_IS_SCOPED): Define.
2335 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2336 for ENUM_IS_SCOPED enums.
2338 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
2340 * fold-const.c (fold_comparison): Use ssizetype.
2341 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2342 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2343 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2344 * tree-object-size.c (compute_object_sizes): Use size_type_node.
2346 * tree.h (initialize_sizetypes): Remove parameter.
2347 (build_common_tree_nodes): Remove second parameter.
2348 * stor-layout.c (initialize_sizetypes): Remove parameter.
2349 Always create an unsigned type.
2350 (set_sizetype): Assert that the passed type is unsigned and simplify.
2351 * tree.c (build_common_tree_nodes): Remove second parameter.
2352 Adjust call to initialize_sizetypes.
2353 * c-decl.c (c_init_decl_processing): Remove second argument in call to
2354 build_common_tree_nodes.
2356 2010-04-18 Matthias Klose <doko@ubuntu.com>
2358 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2360 2010-04-18 Ira Rosen <irar@il.ibm.com>
2362 PR tree-optimization/43771
2363 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2364 load permutation doesn't have gaps.
2366 2010-04-18 Jan Hubicka <jh@suse.cz>
2368 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2369 (sse_prologue_save_insn expander): Use new pattern.
2370 (sse_prologue_save_insn1): New pattern and splitter.
2371 (sse_prologue_save_insn): Update to deal also with 64bit aligned
2373 * i386.c (setup_incoming_varargs_64): Do not compute jump
2375 (ix86_gimplify_va_arg): Update alignment needed.
2376 (ix86_local_alignment): Do not align all local arrays to 128bit.
2378 2010-04-17 Jan Hubicka <jh@suse.cz>
2380 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2382 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2384 * arm.md (negdi2): Remove redundant code to force values into a
2387 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2389 * arm/bpabi.S: Add EABI alignment attributes to objects.
2390 * arm/bpabi-v6m.S: Likewise.
2391 * arm/crti.asm: Likewise.
2392 * arm/crtn.asm: Likewise.
2393 * arm/lib1funcs.asm: Likewise.
2394 * arm/libunwind.S: Likewise.
2396 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2398 * arm-protos.h (tune_params): New structure.
2399 * arm.c (current_tune): New variable.
2400 (arm_constant_limit): Delete.
2401 (struct processors): Add pointer to the tune parameters.
2402 (arm_slowmul_tune): New tuning option.
2403 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2404 (all_cores): Adjust to pick up the tuning model.
2405 (arm_constant_limit): New function.
2406 (arm_override_options): Select the appropriate tuning model. Delete
2407 initialization of arm_const_limit.
2408 (arm_split_constant): Use the new constant-limit model.
2409 (arm_rtx_costs): Pick up the current tuning model.
2410 * arm.md (is_strongarm, is_xscale): Delete.
2411 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2412 for Xscale variant architectures.
2413 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2415 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2417 * config/arm/arm.c (arm_gen_constant): Remove unused variable
2419 (arm_rtx_costs_1): Remove unused variable extra_cost.
2420 (arm_unwind_emit_set): Use variable offset.
2421 (thumb1_output_casesi): Remove unused variable flags.
2423 2010-04-16 Jeff Law <law@redhat.com>
2425 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2426 needing assignment rather than doing a two-phase assignment. Remove
2427 unused variable 'm'.
2429 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2432 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2434 2010-04-16 Doug Kwan <dougkwan@google.com>
2436 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2437 (next_operand_entry_id): New static variable.
2438 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2439 (add_to_ops_vec): Assigned unique ID to operand entry.
2440 (struct oecount_s): New field ID.
2441 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2442 (undistribute_ops_list): Assign unique IDs to oecounts.
2443 (init_reassoc): reset next_operand_entry_id.
2445 2010-04-16 Doug Kwan <dougkwan@google.com>
2447 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2448 missing left parenthesis.
2450 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
2452 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2453 *btdi_rex64 using SWI48 mode iterator.
2454 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2455 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2456 *jcc_btdi_mask_rex64.
2458 2010-04-16 Anatoly Sokolov <aesok@post.ru>
2460 * double-int.h (tree_to_double_int): Convert to macro.
2461 * double-int.c (tree_to_double_int): Remove.
2463 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2466 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2467 with want_address 2 and in case a single element list might be
2468 possible, call it again with want_address 0.
2470 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2472 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2473 case 'W' print operands for HI mode.
2474 * config/h8300/h8300.h (Y0, Y2) : New constraints.
2475 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2476 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2477 * config/h8300/predicate.md (bit_register_indirect_operand): New.
2479 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2481 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2482 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2483 #xx:3 and #xx:4 mode.
2485 * config/h8300/h8300.md (inverted load with HImode dest): Add
2486 support for H8300SX.
2488 * config/h8300/predicate.md (bit_operand): Allow immediate values that
2489 satisfy 'U' constraint.
2491 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2493 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2494 * configure: Regenerate.
2495 * config.in: Regenerate.
2496 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2499 2010-04-16 Richard Guenther <rguenther@suse.de>
2501 * tree.h (struct tree_decl_minimal): Move pt_uid ...
2502 (struct tree_decl_common): ... here.
2503 (DECL_PT_UID): Adjust.
2504 (SET_DECL_PT_UID): Likewise.
2505 (DECL_PT_UID_SET_P): Likewise.
2507 2010-04-16 Richard Guenther <rguenther@suse.de>
2509 PR tree-optimization/43572
2510 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2511 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2512 * tree-flow.h (is_call_clobbered): Remove.
2513 * tree-flow-inline.h (is_call_clobbered): Likewise.
2514 * tree-dfa.c (dump_variable): Do not dump call clobber state.
2515 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2516 (execute_return_slot_opt): Adjust.
2517 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2518 check for call clobbered vars here.
2519 (find_tail_calls): Move tailcall verification to the
2522 2010-04-16 Diego Novillo <dnovillo@google.com>
2524 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2526 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2529 * config/arm/arm.md (cbranchqi4): New pattern.
2530 * config/arm/predicates.md (const0_operand,
2531 cbranchqi4_comparison_operator): New predicates.
2533 2010-04-16 Richard Guenther <rguenther@suse.de>
2535 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2536 (dump_gimple_stmt): Likewise.
2538 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2540 * recog.h (struct recog_data): New field is_operator.
2541 (struct insn_operand_data): New field is_operator.
2542 * recog.c (extract_insn): Set recog_data.is_operator.
2543 * genoutput.c (output_operand_data): Emit code to set the
2545 * reload.c (find_reloads): Use it rather than testing for an
2546 empty constraint string.
2549 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2550 If the previous insn is a cbranchsi4_insn with the same arguments,
2551 omit the compare instruction.
2553 * config/arm/arm.md (addsi3_cbranch): If destination is a high
2554 register, inputs must be low registers and we need a low register
2555 scratch. Handle alternative 2 like alternative 3.
2557 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2559 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2560 don't call get_addr on both. If one expression is a VALUE and
2561 the other a REG, check VALUE's locs if the REG isn't among them.
2563 2010-04-16 Christian Bruel <christian.bruel@st.com>
2565 * config/sh/sh.h (sh_frame_pointer_required): New function.
2566 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2567 (flag_omit_frame_pointer) Set.
2568 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2569 (rounded_frame_size): Adjust size with outgoing_args_size.
2570 (sh_set_return_address): Must return from stack pointer.
2571 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2572 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2573 (ACCUMULATE_OUTGOING_ARGS): Define.
2574 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2575 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2577 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2580 * config/sh/sh.c (sh_legitimize_reload_address): Use
2581 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2582 Remove a unneeded check for offset_base.
2584 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
2586 * configure: Regenerated.
2588 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2590 * config/s390/s390.c (s390_call_save_register_used): Switch back
2591 to HARD_REGNO_NREGS.
2593 2010-04-15 Richard Guenther <rguenther@suse.de>
2595 * alias.c (alias_set_subset_of): Handle alias-set zero
2598 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
2599 Julian Brown <julian@codesourcery.com>
2601 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2602 alternatives according to use of high and low regs.
2603 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2604 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2605 optimizing for size on Thumb-2.
2607 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
2609 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2611 2010-04-15 Richard Guenther <rguenther@suse.de>
2613 * tree-ssa-structalias.c (struct variable_info): Add
2615 (new_var_info): Initialize it.
2616 (dump_constraints): Support printing last added constraints.
2617 (debug_constraints): Adjust.
2618 (dump_constraint_graph): Likewise.
2619 (make_heapvar_for): Check for NULL cfun.
2620 (get_function_part_constraint): New function.
2621 (get_fi_for_callee): Likewise.
2622 (find_func_aliases): Properly implement IPA PTA constraints.
2623 (process_ipa_clobber): New function.
2624 (find_func_clobbers): Likewise.
2625 (insert_into_field_list_sorted): Remove.
2626 (create_function_info_for): Properly allocate vars for IPA mode.
2627 Do not use insert_into_field_list_sorted.
2628 (create_variable_info_for): Properly generate constraints for
2629 global vars in IPA mode.
2630 (dump_solution_for_var): Always dump the solution.
2631 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2632 (find_what_var_points_to): Adjust.
2633 (pt_solution_set): Change.
2634 (pt_solution_ior_into): New function.
2635 (pt_solution_empty_p): Export.
2636 (pt_solution_includes_global): Adjust.
2637 (pt_solution_includes_1): Likewise.
2638 (pt_solutions_intersect_1): Likewise.
2639 (dump_sa_points_to_info): Check some invariants.
2640 (solve_constraints): Move constraint dumping ...
2641 (compute_points_to_sets): ... here.
2642 (ipa_pta_execute): ... and here.
2643 (compute_may_aliases): Do not re-compute points-to info
2644 locally if IPA info is available.
2645 (ipa_escaped_pt): New global var.
2646 (ipa_pta_execute): Properly implement IPA PTA.
2647 * tree-into-ssa.c (dump_decl_set): Support dumping
2648 decls not in referenced-vars.
2649 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2650 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2651 (dump_points_to_solution): Likewise.
2652 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2653 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2654 (remap_gimple_stmt): Reset call clobber/use information if necessary.
2655 (copy_decl_to_var): Copy DECL_PT_UID.
2656 (copy_result_decl_to_var): Likewise.
2657 * tree.c (make_node_stat): Initialize DECL_PT_UID.
2658 (copy_node_stat): Copy it.
2659 * tree.h (DECL_PT_UID): New macro.
2660 (SET_DECL_PT_UID): Likewise.
2661 (DECL_PT_UID_SET_P): Likewise.
2662 (struct tree_decl_minimal): Add pt_uid member.
2663 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2664 (pt_solution_empty_p): Declare.
2665 (pt_solution_set): Adjust.
2666 (ipa_escaped_pt): Declare.
2667 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2668 * gimple-pretty-print.c (pp_points_to_solution): New function.
2669 (dump_gimple_call): Dump call clobber/use information.
2670 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2671 * tree-pass.h (TDF_ALIAS): New dump option.
2672 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2673 * doc/invoke.texi (-fipa-pta): Update documentation.
2675 2010-04-15 Richard Guenther <rguenther@suse.de>
2677 * Makefile.in (OBJS-common): Add gimple-fold.o.
2678 (gimple-fold.o): New rule.
2679 * tree.h (maybe_fold_offset_to_reference,
2680 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2682 * gimple.h: ... here.
2683 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2684 may_propagate_address_into_dereference): Move prototypes ...
2685 * gimple.h: ... here.
2686 * tree-ssa-ccp.c (get_symbol_constant_value,
2687 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2688 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2689 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2690 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2691 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2692 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2693 gimplify_and_update_call_from_tree): Move ...
2694 * gimple-fold.c: ... here. New file.
2695 (ccp_fold_builtin): Rename to ...
2696 (gimple_fold_builtin): ... this.
2697 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2699 2010-04-15 Richard Guenther <rguenther@suse.de>
2701 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2702 fit_double_type, force_fit_type_double, add_double_with_sign,
2703 neg_double, mul_double_with_sign, lshift_double, rshift_double,
2704 lrotate_double, rrotate_double, div_and_round_double): Move ...
2705 * double-int.c: ... here.
2706 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2707 add_double, neg_double, mul_double_with_sign, mul_double,
2708 lshift_double, rshift_double, lrotate_double, rrotate_double,
2709 div_and_round_double): Move prototypes ...
2710 * double-int.h: ... here.
2712 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
2715 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
2716 matching constraints to ensure inputs match the output.
2718 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2721 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2722 in an input-only operand.
2724 2010-04-15 Anatoly Sokolov <aesok@post.ru>
2726 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2727 (double_int_not, double_int_lshift, double_int_rshift): Declare.
2728 (double_int_negative_p): Convert to static inline function.
2729 * double-int.c (double_int_lshift, double_int_lshift): New functions.
2730 (double_int_negative_p): Remove.
2731 * tree.h (lshift_double, rshift_double):
2732 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2733 * fold-const.c (fold_convert_const_int_from_real,
2734 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2735 (lshift_double): Change type of arith argument to bool.
2736 (rshift_double): Change type of arith argument to bool. Correct
2738 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2740 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
2743 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2744 at the start and end of the then/else blocks, and omit them from the
2746 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
2747 argument; all callers changed. Pass zero to old_insns_match_p instead.
2748 (flow_find_head_matching_sequence): New function.
2749 (old_insns_match_p): Check REG_EH_REGION notes for calls.
2750 * basic-block.h (flow_find_cross_jump,
2751 flow_find_head_matching_sequence): Declare functions.
2753 2010-04-14 Jason Merrill <jason@redhat.com>
2756 * c-common.c (attribute_takes_identifier_p): New fn.
2757 * c-common.h: Declare it.
2759 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2761 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2763 (*udivmod<mode>4): Ditto.
2765 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2767 * config/i386/i386.md (maxmin_int): Rename code attribute from
2768 maxminiprefix and update all users.
2769 (maxmin_float): Ditto from maxminfprefix.
2770 (logic): Ditto from logicprefix.
2771 (absneg_mnemonic): Ditto from absnegprefix.
2772 * config/i386/mmx.md: Update all users of maxminiprefix,
2773 maxminfprefix and logicprefix for rename.
2774 * config/i386/sse.md: Ditto.
2775 * config/i386/sync.md (sync_<code><mode>): Update for
2778 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
2781 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2782 warnings converted to errors.
2784 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2786 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2787 used insn_type variable.
2788 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2789 to avoid set-but-not-used warning.
2791 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2793 * df-core.c (df_ref_debug): Change format string placeholder
2795 * dwarf2asm.c (dw2_asm_output_data_raw,
2796 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2797 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2798 * dwarf2out.c (output_cfi, output_cfi_directive,
2799 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2800 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2802 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2803 * print-rtl.c (print_rtx): Ditto.
2805 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2808 * builtins.c (expand_builtin_pow_root): New function to expand pow
2809 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2810 series of sqrt and cbrt calls under -ffast-math.
2811 (expand_builtin_pow): Call it.
2813 2010-04-14 Michael Matz <matz@suse.de>
2815 PR tree-optimization/42963
2816 * tree-cfg.c (touched_switch_bbs): New static variable.
2817 (group_case_labels_stmt): New function broken out from ...
2818 (group_case_labels): ... here, use the above.
2819 (start_recording_case_labels): Allocate touched_switch_bbs.
2820 (end_recording_case_labels): Deallocate it, call
2821 group_case_labels_stmt.
2822 (gimple_redirect_edge_and_branch): Remember index of affected BB.
2824 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2826 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2829 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2831 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2833 2010-04-13 Jan Hubicka <jh@suse.cz>
2835 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2836 of optimized out static functions.
2837 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2838 cost computation. Also sanity check for overflows.
2839 (update_caller_keys): Update cgraph_edge_badness call; properly
2840 update fibheap and sanity check that it is up to date.
2841 (add_new_edges_to_heap): Update cgraph_edge_badness.
2842 (cgraph_decide_inlining_of_small_function): Likewise;
2843 add sanity checking that badness in heap is up to date;
2844 improve dumping of reason; Update badness of calls to the
2845 offline copy of function currently inlined; dump badness
2846 of functions not inlined because of unit growth limits.
2848 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2851 * c-common.c (pointer_int_sum): Disregard overflow that occured only
2852 because of sign-extension change when converting to sizetype here...
2853 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2855 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2856 the folding to constants. Remove redundant final conversion.
2857 (fold_binary) <associate>: Do not associate if the re-association of
2858 constants alone overflows.
2859 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2860 to the end of the list.
2861 (multiple_of_p) <COND_EXPR>: New case.
2863 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
2865 * opt-functions.awk (opt_sanitized_name): New.
2867 * optc-gen.awk: Use it
2868 * opth-gen.awk: Use it.
2870 2010-04-13 Martin Jambor <mjambor@suse.cz>
2872 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2873 (sra_modify_assign): Delete stmts loading dead data even if racc has no
2874 children. Call replace_uses_with_default_def_ssa_name to handle
2877 2010-04-13 Michael Matz <matz@suse.de>
2880 * builtins.c (expand_builtin_interclass_mathfn): Also create
2881 a register if the predicate doesn't match.
2883 2010-04-13 Diego Novillo <dnovillo@google.com>
2885 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2886 * c-pch.c: Include timevar.h.
2887 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2888 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2889 * ggc-common.c: Include timevar.h.
2890 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2891 * timevar.def (TV_PCH_SAVE): Define.
2892 (TV_PCH_CPP_SAVE): Define.
2893 (TV_PCH_PTR_REALLOC): Define.
2894 (TV_PCH_PTR_SORT): Define.
2895 (TV_PCH_RESTORE): Define.
2896 (TV_PCH_CPP_RESTORE): Define.
2898 2010-04-13 Michael Matz <matz@suse.de>
2900 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2902 (can_reassociate_p): New function.
2903 (break_up_subtract_bb, reassociate_bb): Use it.
2905 2010-04-13 Richard Guenther <rguenther@suse.de>
2908 * builtins.c (c_readstr): Fix assert.
2910 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
2912 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2913 when generating cltd insn.
2915 (*ashl<mode>3_1): Remove special handling for register operand 2.
2916 (*ashlsi3_1_zext): Ditto.
2917 (*ashlhi3_1): Ditto.
2918 (*ashlhi3_1_lea): Ditto.
2919 (*ashlqi3_1): Ditto.
2920 (*ashlqi3_1_lea): Ditto.
2921 (*<shiftrt_insn><mode>3_1): Ditto.
2922 (*<shiftrt_insn>si3_1_zext): Ditto.
2923 (*<shiftrt_insn>qi3_1_slp): Ditto.
2924 (*<rotate_insn><mode>3_1): Ditto.
2925 (*<rotate_insn>si3_1_zext): Ditto.
2926 (*<rotate_insn>qi3_1_slp): Ditto.
2928 2010-04-13 Richard Guenther <rguenther@suse.de>
2930 * tree-ssa-structalias.c (callused_id): Remove.
2931 (call_stmt_vars): New.
2932 (get_call_vi): Likewise.
2933 (lookup_call_use_vi): Likewise.
2934 (lookup_call_clobber_vi): Likewise.
2935 (get_call_use_vi): Likewise.
2936 (get_call_clobber_vi): Likewise.
2937 (make_transitive_closure_constraints): Likewise.
2938 (handle_const_call): Adjust to do per-call call-used handling.
2939 (handle_pure_call): Likewise.
2940 (find_what_var_points_to): Remove general callused handling.
2941 (init_base_vars): Likewise.
2942 (init_alias_vars): Initialize call_stmt_vars.
2943 (compute_points_to_sets): Process call-used and call-clobbered
2944 vars for call statements.
2945 (delete_points_to_sets): Free call_stmt_vars.
2947 2010-04-13 Richard Guenther <rguenther@suse.de>
2949 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2950 Only add RW dependence for dependence distance zero.
2951 Adjust maximal vectorization factor according to dependences.
2952 Move alignment handling ...
2953 (vect_find_same_alignment_drs): ... here. New function.
2954 (vect_analyze_data_ref_dependences): Adjust.
2955 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2956 (vect_analyze_data_refs): Adjust minimal vectorization factor
2957 according to data references.
2958 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2959 dependences before determining the vectorization factor.
2960 Analyze alignment after determining the vectorization factor.
2961 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2962 dependences before alignment.
2963 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2965 (vect_analyze_data_refs): Likewise.
2966 (MAX_VECTORIZATION_FACTOR): New define.
2968 2010-04-13 Duncan Sands <baldrick@free.fr>
2970 * except.h (lang_eh_type_covers): Remove.
2971 * except.c (lang_eh_type_covers): Likewise.
2973 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2974 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2976 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2977 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2978 UNITS_PER_LONG where it is ABI relevant.
2979 (s390_return_addr_rtx): Likewise.
2980 (s390_back_chain_rtx): Likewise.
2981 (s390_frame_area): Likewise.
2982 (s390_frame_info): Likewise.
2983 (s390_initial_elimination_offset): Likewise.
2984 (save_gprs): Likewise.
2985 (s390_emit_prologue): Likewise.
2986 (s390_emit_epilogue): Likewise.
2987 (s390_function_arg_advance): Likewise.
2988 (s390_function_arg): Likewise.
2989 (s390_va_start): Likewise.
2990 (s390_gimplify_va_arg): Likewise.
2991 (s390_function_profiler): Likewise.
2992 (s390_optimize_prologue): Likewise.
2993 (s390_rtx_costs): Likewise.
2994 (s390_secondary_reload): Likewise.
2995 (s390_promote_function_mode): Likewise.
2996 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2997 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2998 registers available.
2999 (s390_unwind_word_mode): New function.
3000 (s390_function_value): Split 64 bit values into register pair if
3001 used as return value.
3002 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3003 function call parameters. Handle parallels.
3004 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3005 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3006 (DWARF_CIE_DATA_ALIGNMENT): New macro.
3007 (s390_expand_setmem): Remove unused variable src_addr.
3008 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3009 deal with 64 bit registers.
3010 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3011 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3012 (UNITS_PER_LONG): New macro.
3013 * libjava/include/s390-signal.h: Define extended ucontext
3014 structure containing the upper halfs of the 64 bit registers.
3016 2010-04-13 Simon Baldwin <simonb@google.com>
3018 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3020 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
3022 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3023 rvalue on the RHS if the LHS is of a non-renamable type.
3024 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3026 2010-04-13 Matthias Klose <doko@ubuntu.com>
3028 * gcc.c (cc1_options): Handle -iplugindir before processing
3029 the cc1 spec. Only add -iplugindir once.
3030 (cpp_unique_options): Add -iplugindir option if -fplugin* options
3032 * common.opt (iplugindir): Remove `Separate' property, initialize.
3033 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3035 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3036 (distclean): Remove plugin dir.
3037 * doc/invoke.texi: Document -iplugindir.
3039 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
3041 * doc/plugins.texi (Loading Plugins): Document short
3042 -fplugin=foo option.
3043 (Plugin API): Mention default_plugin_dir_name function.
3045 * gcc.c (find_file_spec_function): Add new declaration.
3046 (static_spec_func): Use it for "find-file".
3047 (find_file_spec_function): Add new function.
3048 (cc1_options): Add -iplugindir option if -fplugin* options found.
3050 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3052 * plugin.c (add_new_plugin): Updated comment, and handle short
3054 (default_plugin_dir_name): Added new function.
3056 * common.opt (iplugindir): New option to set the plugin directory.
3058 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
3060 * config/i386/i386.md (any_rotate): New code iterator.
3061 (rotate_insn): New code attribute.
3063 (SWIM124): New mode iterator.
3064 (<rotate_insn>ti3): New expander.
3065 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3066 any_rotate code iterator.
3067 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3068 using any_rotate code iterator and SWIM124 mode iterator.
3069 (ix86_rotlti3): New insn_and_split pattern.
3070 (ix86_rotrti3): Ditto.
3071 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3072 ix86_rotl{di,ti}3 patterns.
3073 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3074 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3075 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3076 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3077 code iterator and SWI mode iterator.
3078 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3079 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3081 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3082 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3083 (bswap rotatert splitter): Add splitter.
3084 (bswap splitter): Macroize splitter using any_rotate code iterator.
3085 Add insn predicate to split only for TARGET_USE_XCHGB or when
3086 optimizing function for size.
3088 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3090 * config/pa/pa.c (emit_move_sequence): Remove use of
3091 deleted variable flag_argument_noalias.
3093 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3095 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3097 Add to unsupported targets list.
3098 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3099 sparc*-sun-solaris2.[567]* from target lists.
3100 * configure: Regenerate.
3101 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3103 Remove Solaris 7 patch references.
3104 (Specific, sparc-sun-solaris2.7): Removed.
3105 (sparc-sun-solaris2*): Update Solaris 7 example.
3106 (sparc64-*-solaris2*): Likewise.
3108 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3110 * config.build (alpha*-dec-osf4*): Remove.
3111 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3112 of obsolete configurations.
3113 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3115 * config/alpha/t-osf4: Renamed to ...
3116 * config/alpha/t-osf5: ... this.
3117 * config/alpha/osf.h: Renamed to ...
3118 * config/alpha/osf5.h: ... this.
3119 Merged old osf5.h contents.
3121 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3122 (EXTRA_SPECS): Removed.
3123 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3124 reflect removal of Tru64 UNIX V4.0/V5.0 support.
3127 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3129 * doc/contrib.texi (Contributors, Rainer Orth): Update.
3131 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
3134 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3135 __thiscall convention.
3137 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3139 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3141 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3143 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3145 * function.c (assign_parms_initialize_all): Add unused attribute
3148 2010-04-12 Richard Guenther <rguenther@suse.de>
3150 * gsstruct.def (GSS_CALL): New.
3151 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3152 * gimple.h: Include tree-ssa-alias.h.
3153 (struct gimple_statement_call): New.
3154 (union gimple_statement_struct_d): Add gimple_call member.
3155 (gimple_call_reset_alias_info): Declare.
3156 (gimple_call_use_set): New function.
3157 (gimple_call_clobber_set): Likewise.
3158 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3159 * gimple.c (gimple_call_reset_alias_info): New function.
3160 (gimple_build_call_1): Call it.
3161 * lto-streamer-in.c (input_gimple_stmt): Likewise.
3162 * tree-inline.c (remap_gimple_stmt): Likewise.
3163 (expand_call_inline): Remove callused handling.
3164 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3165 * tree-dfa.c (dump_variable): Likewise.
3166 * tree-parloops.c (parallelize_loops): Likewise.
3167 * tree-ssa.c (init_tree_ssa): Likewise.
3168 (delete_tree_ssa): Likewise.
3169 * tree-flow-inline.h (is_call_used): Remove.
3170 * tree-flow.h (struct gimple_df): Remove callused member.
3171 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3172 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3173 (ref_maybe_used_by_call_p_1): Simplify.
3174 (call_may_clobber_ref_p_1): Likewise.
3175 * tree-ssa-structalias.c (compute_points_to_sets): Set
3176 the call stmt used and clobbered sets.
3177 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3178 (find_tail_calls): Verify the tail call.
3180 2010-04-12 Richard Guenther <rguenther@suse.de>
3182 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3183 single-iteration always-inline inlining.
3184 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3185 (cgraph_decide_inlining): Do not handle always-inline specially.
3186 (try_inline): Remove always-inline cycle detection special case.
3187 Do not recurse on always-inlines.
3188 (cgraph_early_inlining): Do not iterate if not optimizing.
3189 (cgraph_gate_early_inlining): remove.
3190 (pass_early_inline): Run unconditionally.
3191 (gate_cgraph_decide_inlining): New function.
3192 (pass_ipa_inline): Use it. Do not run the IPA inliner if
3193 not inlining or optimizing.
3194 (cgraph_decide_inlining_of_small_functions): Also consider
3195 always-inline functions.
3196 (cgraph_default_inline_p): Return true for nodes which should
3197 disregard inline limits.
3198 (estimate_function_body_sizes): Assume zero size and time for
3199 nodes which are marked as disregarding inline limits.
3200 (cgraph_decide_recursive_inlining): Do not perform recursive
3201 inlining on always-inline nodes.
3203 2010-04-12 Jakub Jelinek <jakub@redhat.com>
3206 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3207 for exprs satisfying handled_component_p.
3209 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
3211 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3212 non-constant aggregate elements.
3214 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3215 is a real initialization.
3217 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
3220 * c-decl.c (start_function): Move forward check for nested function.
3222 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
3224 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3225 * config/sh/sh.c: Include reload.h.
3226 (sh_legitimize_reload_address): New.
3227 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3228 sh_legitimize_reload_address.
3230 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
3232 * config/sh/sh.md (*movqi_pop): New insn pattern.
3233 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3235 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3237 * config/i386/i386.md (any_shiftrt): New code iterator.
3238 (shiftrt_insn): New code attribute.
3240 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3241 using any_shiftrt code iterator.
3242 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3243 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3244 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3245 pattern from corresponding peephole2 patterns.
3246 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3247 using any_shiftrt code iterator.
3248 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3249 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3250 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3251 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3252 *{ashr,lshr}<mode>3_cmp_zext.
3253 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3255 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3257 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3259 (*lshr<mode>3_cconly): Ditto.
3261 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3263 * config/i386/i386.md (lshr<mode>3): Macroize expander from
3264 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3265 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3266 pattern from *lshr{di,ti}3_1 and corresponding splitters using
3268 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3269 from corresponding peephole2 patterns.
3270 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3271 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3272 and *lshrdi3_1_rex64 using SWI mode iterator.
3273 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3274 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3275 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3276 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3277 and *lshrdi3_cmp_rex64 using SWI mode iterator.
3278 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3279 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3280 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3281 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3284 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
3286 * config/i386/i386.md (ashr<mode>3): Macroize expander from
3287 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3288 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3289 pattern from *ashr{di,ti}3_1 and corresponding splitters using
3291 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3292 from corresponding peephole2 patterns.
3293 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3294 (ashrsi3_cvt): Rename from ashrsi3_31.
3295 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3296 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3297 and x86_64_shift_adj_3 using SWI48 mode iterator.
3298 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3299 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3300 and *ashrdi3_1_rex64 using SWI mode iterator.
3301 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3302 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3303 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3304 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3305 and *ashrdi3_cmp_rex64 using SWI mode iterator.
3306 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3307 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3308 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3309 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3311 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3312 * config/i386/i386.c (ix86_split_ashr): Update for renamed
3313 x86_shift<mode>_adj_3 expanders.
3315 2010-04-10 Wei Guozhi <carrot@google.com>
3318 * config/arm/arm.c (arm_pic_static_addr): New function.
3319 (legitimize_pic_address): Call arm_pic_static_addr when it detects
3321 (arm_output_addr_const_extra): Output expression for new pattern.
3322 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3324 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
3326 * ira-costs.c (record_reg_classes): Ignore alternatives that are
3329 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3330 * web.c: Include "insn-config.h" and "recog.h".
3331 (union_match_dups): New function.
3332 (web_main): Call it.
3333 (union_defs): Don't try to recognize match_dups.
3335 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3336 if doing so would replace the entire pattern.
3338 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3342 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3343 and splitter pattern. Change splitter operand 1 predicate to
3346 2010-04-09 Martin Jambor <mjambor@suse.cz>
3348 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3349 lattices are addresses of CONST_DECLs with the same initial value.
3350 (ipcp_print_all_lattices): Print values of CONST_DECLs.
3351 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3353 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
3354 Bernd Schmidt <bernds@codesourcery.com>
3356 * loop-invariant.c (replace_uses): New static function.
3357 (move_invariant_reg): Use it to ensure we can replace the uses.
3359 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
3361 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3363 (picochip_override_options): Enable section anchors only above -O1.
3364 (picochip_reorg): Fixed a couple of build warnings.
3366 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3368 * configure.ac (plugin -rdynamic test): Log result.
3369 * configure: Regenerate.
3370 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3371 (RDYNAMIC_SPEC): Define.
3372 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3374 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3376 * configure.ac: Determine Sun ld version numbers.
3377 (comdat_group): Restrict GNU ld version checks to gld.
3378 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3379 (enable_comdat): Support --enable-comdat.
3380 * configure: Regenerate.
3381 * doc/install.texi (Configuration): Document --enable-comdat.
3383 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3385 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
3386 * config/sol2-gld.h: ... here.
3387 * config.gcc (sparc*-*-solaris2*): Reflect this.
3388 (i[34567]86-*-solaris2*): Use it.
3390 2010-04-09 Steve Ellcey <sje@cup.hp.com>
3392 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3394 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3396 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3399 * diagnostic.c (diagnostic_initialize): Initialize
3400 some_warnings_are_errors.
3401 (diagnostic_finish): New.
3402 (diagnostic_action_after_output): Call it before exiting.
3403 (diagnostic_report_diagnostic): Do not print message here. Set
3404 some_warnings_are_errors.
3405 * diagnostic.h (diagnostic_context): Delete
3406 issue_warnings_are_errors_message. Add some_warnings_are_errors.
3407 (diagnostic_finish): Declare.
3408 * toplev.c (toplev_main): Call it before exit.
3410 2010-04-09 Jason Merrill <jason@redhat.com>
3413 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3414 for incomplete type.
3417 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3418 based on a warning flag.
3420 2010-04-09 Richard Guenther <rguenther@suse.de>
3422 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3424 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
3427 * varasm.c (default_assemble_visibility): Wrap vars that are
3428 set, but unused, by targets without GAS.
3429 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3430 Remove set, but unused, vars.
3431 (rs6000_legitimize_tls_address): Likewise.
3432 (altivec_expand_dst_builtin): Likewise.
3433 * config/darwin.c (machopic_classify_symbol): Likewise.
3434 (machopic_indirection_name): Likewise.
3436 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3438 * config/i386/i386.md (DWI): New mode iterator.
3439 (S): New mode attribute.
3440 (shift_operand): Ditto.
3441 (shift_immediate_operand): Ditto.
3442 (ashl_input_operand): Ditto.
3443 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3444 using SDWIM mode iterator.
3445 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
3446 pattern from *ashl{di,ti}3_1 and corresponding splitters using
3448 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3449 from corresponding peephole2 patterns.
3450 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3451 and x86_64_shift_adj_1 using SWI48 mode iterator.
3452 (x86_shift<mode>_adj_2): Ditto.
3453 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3454 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3455 using SWI48 mode iterator.
3456 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3457 *ashldi3_cmp_rex64 using SWI mode iterator.
3458 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3459 *ashldi3_cconly_rex64 using SWI mode iterator.
3460 * config/i386/i386.c (ix86_split_ashl): Update for renamed
3461 x86_shift<mode>_adj_{1,2}.
3462 (ix86_split_ashr): Ditto.
3463 (ix86_split_lshr): Ditto.
3465 2010-04-09 Richard Guenther <rguenther@suse.de>
3467 * target.h (builtin_conversion): Pass in input and output types.
3468 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3469 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3470 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3471 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3473 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3475 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3477 2010-04-09 Richard Guenther <rguenther@suse.de>
3480 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3482 2010-04-09 Richard Guenther <rguenther@suse.de>
3484 * tree-vectorizer.h (struct _stmt_vec_info): Document
3485 that vectype is the type of the LHS.
3486 (supportable_widening_operation, supportable_narrowing_operation):
3487 Get both input and output vector types as arguments.
3488 (vect_is_simple_use_1): Declare.
3489 (get_same_sized_vectype): Likewise.
3490 * tree-vect-loop.c (vect_determine_vectorization_factor):
3491 Set STMT_VINFO_VECTYPE to the vector type of the def.
3492 (vectorizable_reduction): Adjust.
3493 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3494 Adjust. Specify the output vector type.
3495 (vect_pattern_recog_1): Adjust.
3496 * tree-vect-stmts.c (get_same_sized_vectype): New function.
3497 (vectorizable_call): Adjust.
3498 (vectorizable_conversion): Likewise.
3499 (vectorizable_operation): Likewise.
3500 (vectorizable_type_demotion): Likewise.
3501 (vectorizable_type_promotion): Likewise.
3502 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3504 (vect_is_simple_use_1): New function.
3505 (supportable_widening_operation): Get both input and output
3507 (supportable_narrowing_operation): Likewise.
3508 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3510 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
3512 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3513 __thiscall and _thiscall as predefined macros.
3514 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3515 thiscall attribute handling.
3516 (ix86_comp_type_attributes): Likewise.
3517 (ix86_function_regparm): Likewise.
3518 (ix86_return_pops_args): Likewise.
3519 (init_cumulative_args): Likewise.
3520 (find_drap_reg): Likewise.
3521 (ix86_static_chain): Likewise.
3522 (x86_this_parameter): Likewise.
3523 (x86_output_mi_thunk): Likewise.
3524 (ix86_attribute_table): Add description for thiscall attribute.
3525 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3526 * doc/extend.texi: Add documentation for thiscall.
3528 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3531 * c.opt (Wint-to-pointer-cast): Available in C++.
3532 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3534 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
3536 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3537 * calls.c (expand_call): Pass the function type to aggregate_value_p.
3538 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3539 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
3540 function type instead. Reorder and simplify checks.
3542 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3544 2010-04-08 Jing Yu <jingyu@google.com>
3545 Zdenek Dvorak <ook@ucw.cz>
3547 PR tree-optimization/42720
3548 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3549 loop unswitch conditions here from ...
3550 (tree_unswitch_single_loop): ... here.
3552 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3554 * tree-if-conv.c: Fix comments and simplify logic.
3556 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3558 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3559 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
3560 (main_tree_if_conversion): Update call to tree_if_conversion.
3562 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
3565 * doc/invoke.texi (-b,-V): Delete.
3566 * doc/tm.texi: Do not mention -b.
3567 * gcc.c (display_help): Delete -b and -V.
3568 (process_command): Delete -b and -V.
3569 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3571 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
3572 Wolfgang Gellerich <gellerich@de.ibm.com>
3574 Implement target hook for loop unrolling
3575 * target.h (loop_unroll_adjust): Add a new target hook function.
3576 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3577 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3578 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3579 (s390_loop_unroll_adjust): Implement the new target hook for s390.
3580 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3582 (decide_unroll_stupid): Likewise.
3584 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3587 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3589 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3591 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3592 (Specific, *-*-solaris2*): Likewise.
3593 Don't prefer Sun as over GNU as.
3595 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
3597 * config/s390/s390.c (override_options): Adjust the z10
3598 defaults for max-unroll-times, max-completely-peeled-insns
3599 and max-completely-peel-times.
3601 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3603 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3604 instructions for z10.
3605 (s390_expand_setmem): Likewise.
3606 (s390_expand_cmpmem): Likewise.
3608 2010-04-08 Richard Guenther <rguenther@suse.de>
3610 PR tree-optimization/43679
3611 * tree-ssa-pre.c (eliminate): Only propagate copies.
3613 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3616 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3617 set but not used variable warning.
3619 2010-04-08 Wei Guozhi <carrot@google.com>
3622 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3623 (arm_size_rtx_costs): Call the new function when optimized for size.
3625 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3628 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3629 op0 is not a MEM, just return NULL instead of assertion
3631 (discover_nonconstant_array_refs): Don't walk debug stmts.
3633 2010-04-08 Doug Kwan <dougkwan@google.com>
3635 * configure.ac: Recognize gold and do not use its version number
3636 to test ld features.
3637 * configure: Regenerate.
3639 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
3642 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3643 (negate_value): Move code to push elements to broken_up_substracts ...
3644 (eliminate_plus_minus_pair): ... here. Push operands that have no
3645 negative pair to plus_negates.
3646 (repropagate_negates, init_reassoc, fini_reassoc): Update.
3648 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3650 * doc/install.texi (Configuration): Move description of
3651 --enable-lto, --with-libelf*, --enable-gold from Java section to
3654 * doc/generic.texi (Working with declarations)
3655 (Function Properties, C and C++ Trees): Fix typos.
3656 * doc/sourcebuild.texi (Top Level): Likewise.
3658 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3661 * tree.h (DECL_READ_P): Define.
3662 (struct tree_decl_common): Add decl_read_flag.
3663 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3664 a set but not used warning.
3665 (merge_decls): Merge DECL_READ_P flag.
3666 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3667 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3668 * c-common.c (handle_used_attribute, handle_unused_attribute):
3670 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3672 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3674 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3675 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3676 c_parser_binary_expression, c_parser_cast_expression,
3677 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3678 Call default_function_array_read_conversion instead of
3679 default_function_array_conversion where needed.
3680 (c_parser_unary_expression, c_parser_conditional_expression,
3681 c_parser_postfix_expression_after_primary, c_parser_initelt):
3682 Likewise. Call mark_exp_read where needed.
3683 (c_parser_statement_after_labels, c_parser_asm_operands,
3684 c_parser_typeof_specifier, c_parser_sizeof_expression,
3685 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3687 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3689 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3690 (warn_unused_but_set_parameter): Default to warn_unused
3692 * doc/invoke.texi: Document -Wunused-but-set-variable and
3693 -Wunused-but-set-parameter.
3695 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3696 used count variable.
3697 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3698 when operandN variables aren't used in the body of the expander
3700 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3701 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3702 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3703 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3704 FOR_EACH_IMM_USE_ON_STMT): Likewise.
3705 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3706 * tree.c (PROCESS_ARG): Likewise.
3708 2010-04-07 Simon Baldwin <simonb@google.com>
3710 * diagnostic.h (diagnostic_override_option_index): New macro to
3711 set a diagnostic's option_index.
3712 * c-tree.h (c_cpp_error): Add warning reason argument.
3713 * opts.c (_warning_as_error_callback): New.
3714 (register_warning_as_error_callback): Store callback for
3715 warnings enabled via enable_warning_as_error.
3716 (enable_warning_as_error): Call callback, minor code tidy.
3717 * opts.h (register_warning_as_error_callback): Declare.
3718 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3719 response to -Werror=.
3720 (c_common_init_options): Register warning_as_error_callback in opts.c.
3721 * common.opt: Add -Wno-cpp option.
3722 * c-common.c (struct reason_option_codes_t): Map cpp warning
3723 reason codes to gcc option indexes.
3724 * (c_option_controlling_cpp_error): New function, lookup the gcc
3725 option index for a cpp warning reason code.
3726 * (c_cpp_error): Add warning reason argument, call
3727 c_option_controlling_cpp_error for diagnostic_override_option_index.
3728 * doc/invoke.texi: Document -Wno-cpp.
3730 2010-04-07 Richard Guenther <rguenther@suse.de>
3732 * ipa-reference.c (mark_load): Use get_base_address.
3733 (mark_store): Likewise.
3735 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3736 inserting GIMPLE_NOPs into the IL.
3737 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3738 Explicitly strip handled components and indirect references.
3740 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3741 folding address expressions.
3742 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3743 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3744 operand_equal_p to compare decls.
3745 (ptr_deref_may_alias_decl_p): Likewise.
3746 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3747 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3748 Handle reversed comparison ops.
3749 * tree-sra.c (asm_visit_addr): Use get_base_address.
3750 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3751 * ipa-reference.c (mark_address): Use get_base_address.
3753 2010-04-07 Richard Guenther <rguenther@suse.de>
3755 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3756 Propagate constants everywhere.
3758 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3761 * tree.c (MAX_INT_CACHED_PREC): Define.
3762 (nonstandard_integer_type_cache): New array.
3763 (build_nonstandard_integer_type): Cache results for precision
3764 <= MAX_INT_CACHED_PREC.
3766 2010-04-07 Richard Guenther <rguenther@suse.de>
3768 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3769 -fargument-noalias-global, -fargument-noalias-anything): Remove.
3770 * common.opt: Likewise.
3771 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3772 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3773 (nonoverlapping_memrefs_p): Likewise.
3774 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3775 * opts.c (common_handle_option): Handle OPT_fargument_alias,
3776 OPT_fargument_noalias, OPT_fargument_noalias_anything and
3777 OPT_fargument_noalias_global for backward compatibility.
3779 2010-04-07 Richard Guenther <rguenther@suse.de>
3781 PR tree-optimization/43270
3782 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3783 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3784 * tree-ssa-pre.c (phi_translate_1): Adjust.
3785 (fully_constant_expression): Split out vn_reference handling to ...
3786 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3787 Fold reads from constant strings.
3788 (vn_reference_lookup): Handle fully constant references.
3789 (vn_reference_lookup_pieces): Likewise.
3790 * Makefile.in (expmed.o-warn): Add -Wno-error.
3792 2010-04-07 Martin Jambor <mjambor@suse.cz>
3794 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3796 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
3799 * gcc.c: Add -static-libstdc++ to list of recognized options.
3801 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3803 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3805 2010-04-07 Richard Guenther <rguenther@suse.de>
3808 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3809 bases build simple mem attributes to retain points-to information.
3811 2010-04-07 Richard Guenther <rguenther@suse.de>
3814 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3815 preserve points-to related information.
3817 2010-04-07 Richard Guenther <rguenther@suse.de>
3820 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3821 discard plain indirect references.
3822 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3823 * tree.c (tree_nop_conversion): Likewise.
3825 2010-04-07 Dodji Seketeli <dodji@redhat.com>
3828 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3830 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
3832 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3833 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3835 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3837 * tree-if-conv.c: Fix indentation and comments.
3839 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3841 * tree-if-conv.c: Sort static functions in topological order.
3843 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3845 * tree-if-conv.c: Fix indentation and comments.
3847 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3850 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3851 lang_hooks.types.type_for_size instead of
3852 build_nonstandard_integer_type.
3853 When converting an unsigned type to signed, double its precision.
3854 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3855 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3856 (graphite_create_new_loop_guard): When ub + 1 wraps around,
3859 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3862 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3863 POINTER_PLUS_EXPR for pointer types.
3865 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3868 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3869 * graphite-clast-to-gimple.c: Include langhooks.h.
3870 (max_signed_precision_type): New.
3871 (max_precision_type): Takes two types as arguments.
3872 (precision_for_value): New.
3873 (precision_for_interval): New.
3874 (gcc_type_for_interval): New.
3875 (gcc_type_for_value): New.
3876 (gcc_type_for_clast_term): New.
3877 (gcc_type_for_clast_red): New.
3878 (gcc_type_for_clast_bin): New.
3879 (gcc_type_for_clast_expr): Split up into several functions.
3880 (gcc_type_for_clast_eq): Rewritten.
3881 (compute_bounds_for_level): New.
3882 (compute_type_for_level_1): New.
3883 (compute_type_for_level): New.
3884 (gcc_type_for_cloog_iv): Removed.
3885 (gcc_type_for_iv_of_clast_loop): Rewritten.
3886 (graphite_create_new_loop): Compute the lower and upper bound types
3887 with gcc_type_for_clast_expr.
3888 (graphite_create_new_loop_guard): Same.
3889 (find_cloog_iv_in_expr): Removed.
3890 (compute_cloog_iv_types_1): Removed.
3891 (compute_cloog_iv_types): Removed.
3892 (gloog): Do not call compute_cloog_iv_types.
3893 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3895 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3896 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3897 (GBB_CLOOG_IV_TYPES): Removed.
3899 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3901 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3902 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3903 (detect_commutative_reduction): Same.
3905 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3907 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3908 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
3910 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3911 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3912 (rewrite_commutative_reductions_out_of_ssa): Same.
3913 * passes.c (execute_function_todo): Call verify_ssa for every pass
3914 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
3915 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3916 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3917 with an extra argument.
3918 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
3919 verify_ssa only when the extra argument is true.
3920 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3921 with an extra argument.
3922 (tree_transform_and_unroll_loop): Same.
3924 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3926 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3927 for all the passes of the LNO having LOOP_CLOSED_SSA.
3928 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3929 * tree-loop-distribution.c (pass_loop_distribution): Same.
3930 * tree-pass.h (TODO_verify_loops): Removed.
3931 * tree-ssa-loop.c (pass_tree_loop_init): Same.
3933 (pass_tree_unswitch): Same.
3934 (pass_predcom): Same.
3935 (pass_vectorize): Same.
3936 (pass_linear_transform): Same.
3937 (pass_graphite_transforms): Same.
3938 (pass_iv_canon): Same.
3939 (pass_complete_unroll): Same.
3940 (pass_complete_unrolli): Same.
3941 (pass_parallelize_loops): Same.
3942 (pass_loop_prefetch): Same.
3943 (pass_iv_optimize): Same.
3945 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
3948 * passes.c (init_optimization_passes): Move pass_lim before
3949 pass_copy_prop and pass_dce_loop.
3951 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3954 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3955 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3956 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3957 MULTI_* defines for 4 argument vpermil2p* builtins.
3959 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3961 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3962 * config/i386/i386.c (x86_maybe_negate_const_int): New.
3963 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3964 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3965 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3966 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3967 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3968 Use x86_maybe_negate_const_int to output insn mnemonic.
3969 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
3970 check from instruction predicate. Update comments.
3971 * config/i386/sync.md (sync_add<mode>): Use
3972 x86_maybe_negate_const_int to output insn mnemonic.
3974 2010-04-06 Jan Hubicka <jh@suse.cz>
3976 PR tree-optimization/42906
3977 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3978 IGNORE_SELF argument. Set visited_control_parents for fully
3980 (find_obviously_necessary_stmts): Update call of
3981 mark_control_dependent_edges_necessary.
3982 (propagate_necessity): Likewise. Handle PHI edges more curefully.
3984 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3986 * config/i386/i386.md: Remove comment about 'e' and 'E'
3989 2010-04-06 Richard Guenther <rguenther@suse.de>
3991 PR tree-optimization/43627
3992 * tree-vrp.c (extract_range_from_unary_expr): Widenings
3993 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3996 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3998 * BASE-VER: Change to 4.6.0.
4001 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
4004 2010-04-06 Richard Guenther <rguenther@suse.de>
4007 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
4009 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4011 * doc/invoke.texi (Optimize Options): Document that LTO
4012 won't remove object access purely due to incompatible
4015 2010-04-04 Matthias Klose <doko@ubuntu.com>
4017 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
4018 Initialize variable.
4020 2010-04-03 Richard Guenther <rguenther@suse.de>
4023 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
4024 require a non-NULL MEM_OFFSET.
4026 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
4028 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
4029 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
4030 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
4031 config/alpha/predicates.md, config/arm/arm.md,
4032 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
4033 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
4034 config/darwin9.h, config/darwin.c, config/darwin.h,
4035 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
4036 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
4037 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
4038 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
4039 config/mips/mips.md, config/mn10300/mn10300.c,
4040 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
4041 config/rs6000/aix.h, config/rs6000/dfp.md,
4042 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
4043 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
4044 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
4045 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
4046 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
4047 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
4048 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
4049 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
4050 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
4051 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
4052 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
4053 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
4054 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
4055 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
4056 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
4057 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
4058 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
4059 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
4060 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
4061 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
4062 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
4063 opt-functions.awk, opth-gen.awk, params.def, passes.c,
4064 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
4065 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
4066 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
4067 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
4068 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
4069 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
4070 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
4071 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
4072 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
4073 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
4074 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
4075 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
4076 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
4077 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
4079 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4082 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
4083 * aclocal.m4: Regenerate.
4085 2010-04-02 Richard Guenther <rguenther@suse.de>
4087 PR tree-optimization/43629
4088 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
4089 if we have seen a constant value.
4091 2010-04-02 Joseph Myers <joseph@codesourcery.com>
4093 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
4095 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
4098 * arm.c (legitimize_tls_address): Adjust call to
4099 gen_tls_load_dot_plus_four.
4100 (arm_note_pic_base): New function.
4101 (arm_cannot_copy_insn_p): Use it.
4102 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
4105 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4110 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4112 * Makefile.in ($(out_object_file)): Depend on
4113 gt-$(basename $(notdir $(out_file))).h.
4115 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
4117 * config.gcc (lm32-*-rtems*): Add t-lm32.
4119 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
4121 * config.gcc: Add lm32-*-rtems*.
4122 * config/lm32/rtems.h: New file.
4124 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
4127 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
4129 2010-04-01 Jakub Jelinek <jakub@redhat.com>
4131 * dwarf2out.c (output_compilation_unit_header): For
4132 -gdwarf-4 use version 4 instead of version 3.
4133 (output_line_info): For version 4 and above emit additional
4134 maximum ops per insn header field.
4135 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
4137 * dwarf2out.c (is_c_family, is_java): Remove.
4138 (lower_bound_default): New function.
4139 (add_bound_info, gen_descr_array_type_die): Use it.
4141 2010-04-01 Dodji Seketeli <dodji@redhat.com>
4144 * dwarf2out.c (gen_variable_die): Allow debug info for variable
4145 re-declaration when it happens in a function.
4147 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
4149 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
4150 (cgraph_remove_function_insertion_hook): Same.
4151 (cgraph_call_function_insertion_hooks): Same.
4153 2010-04-01 Richard Guenther <rguenther@suse.de>
4156 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
4157 and TREE_THIS_VOLATILE.
4158 (copy_ref_info): Likewise.
4159 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
4160 * tree.c (build6_stat): Ignore side-effects of all but arg5
4161 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
4164 2010-04-01 Richard Guenther <rguenther@suse.de>
4166 PR tree-optimization/43607
4167 * ipa-type-escape.c (check_call): Do not access non-existing
4170 2010-04-01 Richard Guenther <rguenther@suse.de>
4174 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
4175 Jack Howarth <howarth@bromo.med.uc.edu>
4177 * tree-profile.c (tree_init_ic_make_global_vars): Make static
4180 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4182 * doc/install.texi (Prerequisites): Document libelf usability on
4183 IRIX 5/6 and Solaris 2.
4184 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
4185 Update GNU as, GNU ld requirements.
4186 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
4187 Document Sun Studio compiler download.
4188 Update and simplify as, ld recommendations.
4189 (Specific, *-*-solaris2.7): Note obsoletion, removal.
4191 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4193 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
4194 with_tune_32 to pentium4.
4196 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
4198 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
4200 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4202 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
4203 obsoletion, removal.
4205 Document GNU as requirement.
4206 Update configure requirements.
4207 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
4208 Recomment IRIX 6.5.18+.
4209 Document IDF/IDL requirement.
4210 Document GNU as requirement.
4211 Document GNU ld bootstrap failure.
4212 Remove freeware.sgi.com reference.
4214 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4216 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
4217 UNIX V4.0, V5.0 obsoletion, removal.
4218 Remove --with-gc=simple reference.
4219 Update VM requirements during bootstrap.
4220 Remove -oldas bootstrap description.
4221 Update binutils reference.
4222 Remove comparison failure note.
4224 2010-03-31 Richard Guenther <rguenther@suse.de>
4225 Zdenek Dvorak <ook@ucw.cz>
4226 Sebastian Pop <sebastian.pop@amd.com>
4229 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
4230 with multiple arguments.
4231 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
4233 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4235 * graphite-dependences.c (print_pddr): Call print_pdr with an
4237 * graphite-poly.c (debug_pdr): Add an extra argument for the
4240 (print_pbb_domain): Same.
4242 (print_scop_context): Same.
4244 (print_cloog): Same.
4245 (debug_pbb_domain): Same.
4249 (debug_scop_context): Same.
4251 (debug_cloog): Same.
4252 (print_scop_params): Same.
4253 (debug_scop_params): Same.
4254 (print_iteration_domain): Same.
4255 (print_iteration_domains): Same.
4256 (debug_iteration_domain): Same.
4257 (debug_iteration_domains): Same.
4258 (print_scattering_function): Same.
4259 (print_scattering_functions): Same.
4260 (debug_scattering_function): Same.
4261 (debug_scattering_functions): Same.
4262 * graphite-poly.h (debug_pdr): Update declaration.
4264 (print_pbb_domain): Same.
4266 (print_scop_context): Same.
4268 (print_cloog): Same.
4269 (debug_pbb_domain): Same.
4273 (debug_scop_context): Same.
4275 (debug_cloog): Same.
4276 (print_scop_params): Same.
4277 (debug_scop_params): Same.
4278 (print_iteration_domain): Same.
4279 (print_iteration_domains): Same.
4280 (debug_iteration_domain): Same.
4281 (debug_iteration_domains): Same.
4282 (print_scattering_function): Same.
4283 (print_scattering_functions): Same.
4284 (debug_scattering_function): Same.
4285 (debug_scattering_functions): Same.
4287 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4289 * graphite-poly.c (print_scattering_function_1): New.
4290 (print_scattering_function): Call it.
4291 (print_scop_params): Remove spaces at the end of lines.
4294 * graphite-poly.h (print_cloog): Declared.
4295 (debug_cloog): Declared.
4297 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4299 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
4301 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
4302 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
4303 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
4304 to switch between adding the IV bump in loop->latch or in loop->header.
4306 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
4308 * graphite-poly.c (print_scattering_function): Pretty print following
4311 (print_pbb_domain): Same.
4312 (dump_gbb_cases): Same.
4313 (dump_gbb_conditions): Same.
4316 (print_scop_params): Same.
4317 (print_scop_context): Same.
4319 (print_pbb_body): New.
4320 (lst_indent_to): New.
4321 (print_lst): Start new lines with a #.
4322 * graphite-poly.h (pbb_bb): New.
4323 (pbb_index): Use pbb_bb.
4324 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
4326 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
4328 2010-03-31 Jakub Jelinek <jakub@redhat.com>
4330 * dwarf2out.c (size_of_die): For -gdwarf-4 use
4331 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
4332 and 0 instead of 1 for dw_val_class_flag.
4333 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
4334 dw_val_class_range_list, dw_val_class_loc_list,
4335 dw_val_class_lineptr and dw_val_class_macptr, use
4336 DW_FORM_flag_present for dw_val_class_flag and
4337 DW_FORM_exprloc for dw_val_class_loc.
4338 (output_die): For -gdwarf-4 print dw_val_class_loc
4339 size as uleb128 instead of 1 or 2 bytes and don't print
4340 anything for dw_val_class_flag.
4342 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
4343 instead of cselib_lookup following by tweaking locs->setting_insn.
4346 * cselib.c (cselib_process_insn): Clear cselib_current_insn
4347 even before returning from label, setjmp call or volatile asm
4350 2010-03-31 Richard Guenther <rguenther@suse.de>
4353 * cgraphunit.c (cgraph_output_in_order): Do not allocate
4354 temporary data on stack.
4356 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4358 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
4359 (PUSHSECTION_ASM_OP): Remove.
4360 (POPSECTION_ASM_OP): Remove.
4361 (PUSHSECTION_FORMAT): Remove.
4362 * config/sol2.h (PUSHSECTION_FORMAT): Define.
4363 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
4364 * config/sol2.c (solaris_output_init_fini): Use it.
4366 2010-03-31 Jie Zhang <jie@codesourcery.com>
4369 * opt-functions.awk (var_type_struct): Use signed char type
4370 for simple variables.
4372 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4374 * config/sol2.c: Include output.h.
4375 (solaris_assemble_visibility): New function.
4376 * config/t-sol2 (sol2.o): Add output.h dependency.
4377 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
4378 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
4381 2010-03-31 Jakub Jelinek <jakub@redhat.com>
4384 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
4385 V2SImode or XFmode on PRE_DEC.
4388 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
4391 2010-03-31 Jie Zhang <jie@codesourcery.com>
4394 * reload.h (caller_save_initialized_p): Declare.
4395 * toplev.c (backend_init_target): Don't call
4396 init_caller_save but set caller_save_initialized_p to false.
4397 * caller-save.c (caller_save_initialized_p): Define.
4398 (init_caller_save): Check caller_save_initialized_p.
4399 * ira.c (ira): Call init_caller_save if flag_caller_saves.
4401 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4404 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
4405 and soft-fp/t-softfp to tmake_file.
4406 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
4407 (LIBGCC2_TF_CEXT): Define.
4410 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
4413 * cselib.c (n_useless_values): Document handling of debug locs.
4414 (n_useless_debug_values, n_debug_values): New variables.
4415 (new_elt_loc_list): Don't add to debug values, keep count.
4416 (promote_debug_loc): New.
4417 (cselib_reset_table): Zero new variables.
4418 (entry_and_rtx_equal_p): Promote debug locs.
4419 (discard_useless_locs): Increment n_useless_debug_values for
4421 (remove_useless_values): Adjust n_useless_values and n_debug_values
4422 with n_useless_debug_values.
4423 (add_mem_for_addr): Promote debug locs.
4424 (cselib_lookup_mem): Likewise.
4425 (cselib_lookup_addr): Renamed to...
4426 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
4427 (cselib_log_lookup): ... this. Turn into...
4428 (cselib_lookup_addr): ... new wrapper.
4429 (cselib_lookup_from_insn): New.
4430 (cselib_invalidate_regno): Increment n_useless_debug_values for
4432 (cselib_invalidate_mem): Likewise.
4433 (cselib_process_insn): Take n_deleted and n_debug_values into
4434 account to guard remove_useless_value call.
4435 (cselib_finish): Zero n_useless_debug_values.
4436 * cselib.h (cselib_lookup_from_insn): Declare.
4437 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
4438 (sched_analyze_2): Likewise.
4440 2010-03-30 Jakub Jelinek <jakub@redhat.com>
4442 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
4444 (adjust_mems): Replace narrowing SUBREG of expression containing
4445 just PLUS, MINUS, MULT and ASHIFT of registers and constants
4446 with operations in the narrower mode.
4449 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
4450 regs_invalidated_by_call instead all call_used_reg_set registers.
4452 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
4455 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
4456 pointer comparisons with types_compatible_p.
4457 * tree-vect-stmts.c (vectorizable_call): Same.
4458 (vectorizable_condition): Same.
4460 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4462 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
4463 stack check if the mask would be zero.
4465 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
4466 Jack Howarth <howarth@bromo.med.uc.edu>
4468 * tree-profile.c (tree_init_ic_make_global_vars): Make static
4471 2010-03-30 Joseph Myers <joseph@codesourcery.com>
4474 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
4476 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
4477 Include ___unordxf2 and ___unordtf2.
4478 * config/i386/libgcc-glibc.ver: Do not define inheritance from
4481 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
4483 * config/lm32/t-lm32: New file.
4484 * config.gcc: Use the above file when targetting lm32.
4486 2010-03-28 Duncan Sands <baldrick@free.fr>
4488 * Makefile.in (PLUGIN_HEADERS): Add except.h.
4490 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4493 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
4494 Improve vectorization cost model diagnostic.
4496 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
4499 * tree-vect-data-refs.c (vect_analyze_data_refs): When
4500 compute_data_dependences_for_loop returns false, early exit
4501 and output an extra diagnostic for the failed data reference
4504 2010-03-29 Richard Guenther <rguenther@suse.de>
4506 PR tree-optimization/43560
4507 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
4508 (can_sm_ref_p): Treat stores to readonly locations as trapping.
4510 2010-03-29 Jie Zhang <jie@codesourcery.com>
4513 * toplev.c (process_options): Set optimization_default_node
4514 and optimization_current_node.
4515 * opts.c (decode_options): Don't set optimization_default_node
4516 and optimization_current_node.
4518 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
4520 * config/rtems.h: Abandon -qrtems_debug.
4522 2010-03-28 Jan Hubicka <jh@suse.cz>
4524 PR tree-optimization/43505
4525 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
4526 map should not be copied.
4528 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4531 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
4532 cdtors, set DECL_PRESERVE_P.
4533 * ipa.c (cgraph_externally_visible_p): Return true if declaration
4536 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
4538 PR tree-optimization/43528
4539 * stor-layout.c (place_field): Check that constant fits into
4540 unsigned HWI when skipping calculation of MS bitfield layout.
4542 2010-03-27 Jan Hubicka <jh@suse.cz>
4545 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
4546 notice_global_symbol work.
4548 2010-03-27 Jakub Jelinek <jakub@redhat.com>
4550 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
4551 instead of dwarf2out_decl.
4552 (struct var_loc_node): Remove section_label field.
4553 (dwarf2out_function_decl): New function.
4554 (dwarf2out_var_location): Don't set section_label field.
4555 (dwarf2out_begin_function): Don't empty decl_loc_table here.
4557 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
4559 PR tree-optimization/43544
4560 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4561 First argument for builtin vectorized function hook is now a
4562 tree to be able to distinguish between machine specific and
4564 * targhooks.c (default_builtin_vectorized_function): Ditto.
4565 * targhooks.h (default_builtin_vectorized_function): Ditto.
4566 * target.h (struct gcc_target): Ditto.
4567 * tree-vect-stmts.c (vectorizable_function): Ditto.
4568 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
4569 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
4572 2010-03-26 Joseph Myers <joseph@codesourcery.com>
4575 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
4576 nested binding iff it is a FUNCTION_DECL.
4577 (store_parm_decls_newstyle): Pass nested=true to bind for
4578 FUNCTION_DECLs amongst parameters.
4580 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4582 * var-tracking.c (vt_expand_loc_callback): Don't run
4583 cselib_expand_value_rtx_cb in dummy mode if
4584 cselib_dummy_expand_value_rtx_cb returned false.
4586 * var-tracking.c (emit_note_insn_var_location): For one part
4587 notes with offset 0, don't add EXPR_LIST around the location.
4588 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
4589 add_location_or_const_value_attribute): Adjust for that change.
4592 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
4593 into first operand and location into second.
4594 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
4595 dw_cfi_oprnd_loc for DW_CFA_expression.
4596 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
4597 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
4598 assume first argument is regnum and second argument is location.
4600 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4603 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
4604 of scratch register to DImode. Split to DImode comparison operator.
4605 Use SImode subreg of scratch register in the multiplication.
4606 (*cmp_sadd_sidi): Ditto.
4607 (*cmp_ssub_si): Ditto.
4608 (*cmp_ssub_sidi): Ditto.
4610 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
4613 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
4614 Remove invalid assert and wrong comment.
4616 2010-03-26 Jakub Jelinek <jakub@redhat.com>
4619 * flags.h (final_insns_dump_p): New extern.
4620 * final.c (final_insns_dump_p): New variable.
4621 (rest_of_clean_state): Set it before -fdump-final-insns=
4622 dumping, clear afterwards.
4623 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
4624 MEM_ALIAS_SET on MEMs.
4626 2010-03-26 David S. Miller <davem@davemloft.net>
4628 * configure.ac: Fix sparc GOTDATA_OP bug check.
4629 * configure: Rebuild.
4631 2010-03-26 Alan Modra <amodra@gmail.com>
4633 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
4635 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4637 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
4638 TLS_SECTION_ASM_FLAG.
4640 2010-03-25 Jakub Jelinek <jakub@redhat.com>
4643 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
4644 Clear first_function_block_is_cold.
4647 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
4648 argument if the argument is truth_value_p.
4650 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
4652 * config/rs6000/constraints.md: Update copyright year for my changes.
4655 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
4656 used in reg+reg addressing, swap registers.
4658 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4661 * target.h (struct gcc_target): Add code_end hook.
4662 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
4664 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
4665 * toplev.c (compile_file): Call targetm.asm_out.code_end
4666 hook before unwind info/debug info output.
4667 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
4668 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
4669 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4670 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
4671 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
4672 * config/i386/i386.c (ix86_file_end): Renamed to...
4673 (ix86_code_end): ... this. Make static. Don't call
4674 file_end_indicate_exec_stack. Emit unwind info using
4675 final_start_function/final_end_function.
4676 (darwin_x86_file_end): Remove.
4677 (TARGET_ASM_CODE_END): Define.
4678 * config/i386/i386.h (TARGET_ASM_FILE_END,
4679 NEED_INDICATE_EXEC_STACK): Don't define.
4680 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
4681 (TARGET_ASM_FILE_END): Define to darwin_file_end.
4682 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
4683 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
4686 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
4687 at the beginning and final_end_function at the end.
4688 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
4690 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4692 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
4693 and Sun as TLS syntax.
4694 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
4695 * configure: Regenerate.
4696 * config.in: Regenerate.
4697 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
4698 (default_elf_asm_named_section): Use it.
4699 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
4700 (i386_output_dwarf_dtprel): Likewise.
4701 (output_addr_const_extra): Likewise.
4702 (output_pic_addr_const): Lowercase @GOTTPOFF.
4703 (output_addr_const_extra): Likewise.
4704 (output_pic_addr_const): Lowercase @GOTNTPOFF.
4705 (output_addr_const_extra): Likewise.
4706 (output_pic_addr_const): Lowercase @INDNTPOFF.
4707 (output_addr_const_extra): Likewise.
4708 (output_pic_addr_const): Lowercase @NTPOFF.
4709 (output_addr_const_extra): Likewise.
4710 (output_pic_addr_const): Lowercase @TPOFF.
4711 (output_addr_const_extra): Likewise.
4712 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
4713 (*tls_global_dynamic_64): Likewise.
4714 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
4715 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
4717 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
4718 (ASM_OUTPUT_TLS_COMMON): Use it.
4719 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
4722 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
4723 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
4724 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
4725 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
4726 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4727 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
4729 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4731 * config/i386/i386.c (override_options): Don't accept
4732 -mtls-dialect=sun any longer.
4733 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
4734 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
4735 (*tls_local_dynamic_base_32_sun): Likewise.
4736 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
4738 2010-03-24 Jakub Jelinek <jakub@redhat.com>
4741 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
4742 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
4745 * ira.c (adjust_cleared_regs): New function.
4746 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
4750 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
4752 * expr.c (expand_expr_real): Restore previous
4753 curr_insn_source_location and curr_insn_block after
4754 expand_expr_real_1 call.
4755 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
4756 instead of expand_expr_real_1.
4758 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
4760 PR rtl-optimization/43413
4761 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
4764 2010-03-22 James E. Wilson <wilson@codesourcery.com>
4767 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
4768 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
4770 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
4772 * config/i386/i386.c (ix86_target_string): Add -mfma.
4773 Fix a typo in comment.
4775 2010-03-22 Mike Stump <mikestump@comcast.net>
4778 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4779 Don't overly align based upon packed packed fields.
4781 2010-03-22 Jason Merrill <jason@redhat.com>
4783 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
4784 Use () rather than [], and move before the element type.
4786 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4788 * doc/configfiles.texi (Configuration Files): Removed
4789 fixinc/Makefile*, intl/Makefile.*.
4790 * doc/makefile.texi: Fixed markup. Abstract from version
4791 control system used.
4792 (Makefile): Removed obsolete gcc/java/parse.y example.
4793 * doc/sourcebuild.texi: Likewise.
4794 (Top Level): Added config, gnattools, libdecnumber, libgcc,
4795 libgomp, libssp. Removed fastjar.
4796 (Miscellaneous Docs): Clarify location.
4797 Added COPYING3, COPYING3.LIB.
4798 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
4800 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4803 * config/i386/i386.c (x86_function_profiler)
4804 [!NO_PROFILE_COUNTERS]: Fix typo.
4805 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
4808 2010-03-22 Janis Johnson <janis187@us.ibm.com>
4809 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4811 * doc/sourcebuild.texi (Test Directives): Split into six
4812 subsections, with most of the current text in new subsections
4813 Directives, Selectors, and Final Actions.
4814 (Directives): Split list of test directives into multiple
4816 (Selectors): Describe use and syntax of selectors.
4817 (Effective-Target Keywords): Describe all existing keywords.
4818 (Add Options): Describe features for dg-add-options.
4819 (Require Support): Describe variants of dg-require-support.
4820 (Final Actions): Describe commands to use in dg-final.
4822 2010-03-22 Michael Matz <matz@suse.de>
4825 * recog.c (validate_replace_rtx_group): Replace also in
4826 REG_EQUAL and REG_EQUIV notes.
4828 2010-03-22 Richard Guenther <rguenther@suse.de>
4830 PR tree-optimization/43390
4831 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
4832 sure vector extracts are type correct.
4834 2010-03-22 Richard Guenther <rguenther@suse.de>
4837 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
4838 x * sqrt (x) even when optimizing for size if the target
4839 has native support for sqrt.
4841 2010-03-22 Jakub Jelinek <jakub@redhat.com>
4843 * varasm.c (make_decl_rtl_for_debug): Also clear
4844 flag_mudflap for the duration of make_decl_rtl call.
4847 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
4848 locs from preserved VALUEs.
4850 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4853 * pa.md (movmemsi): Set align to one if zero.
4854 (movmemdi): Likewise.
4856 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
4859 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
4860 with their corresponding prologue pushes.
4862 2010-03-20 Andrew Pinski <pinskia@gmail.com>
4865 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
4866 at the begining or end.
4867 (spu_expand_epilogue): Likewise.
4869 2010-03-20 Richard Guenther <rguenther@suse.de>
4871 PR rtl-optimization/43438
4872 * combine.c (make_extraction): Properly zero-/sign-extend an
4873 extraction of the low part of a CONST_INT. Also handle
4876 2010-03-19 Mike Stump <mikestump@comcast.net>
4878 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
4879 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
4880 (override_options): Use SUBTARGET32_DEFAULT_CPU.
4882 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4885 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
4888 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
4890 PR rtl-optimization/42258
4891 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
4892 use that may match DEF.
4895 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
4896 the cost of loading the constant rather than assuming
4898 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
4899 outer code is AND, do the same tests as the andsi3 expander and
4900 return COSTS_N_INSNS (1) if and is cheap.
4902 * optabs.c (avoid_expensive_constant): Fix formatting.
4904 2010-03-19 Michael Matz <matz@suse.de>
4907 * attribs.c (decl_attributes): When rebuilding a function pointer
4908 type use the same qualifiers as the original pointer type.
4910 2010-03-19 Martin Jambor <mjambor@suse.cz>
4912 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
4913 and is_gimple_ip_invariant_address.
4915 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4918 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4920 * config/arm/arm.c (arm_override_options): Turn off
4921 flag_dwarf2_cfi_asm for AAPCS variants.
4923 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
4926 * config/arm/arm.c (emit_multi_reg_push): Update comments.
4927 Use PRE_MODIFY instead of PRE_DEC.
4928 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
4929 (vfp_emit_fstmd): Likewise.
4931 2010-03-19 Michael Matz <matz@suse.de>
4934 * builtins.c (expand_builtin_interclass_mathfn,
4935 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
4938 2010-03-19 Richard Guenther <rguenther@suse.de>
4940 PR tree-optimization/43415
4941 * tree-ssa-pre.c (phi_translate): Split out worker to ...
4942 (phi_translate_1): ... this.
4943 (phi_translate): Move all caching here. Cache all NARY
4944 and REFERENCE translations.
4946 2010-03-19 David S. Miller <davem@davemloft.net>
4948 With help from Eric Botcazou.
4949 * config/sparc/sparc.c: Include dwarf2out.h.
4950 (emit_pic_helper): Delete.
4951 (pic_helper_symbol_name): Delete.
4952 (pic_helper_emitted_p): Delete.
4953 (pic_helper_needed): New.
4954 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
4955 (get_pc_thunk_name): New.
4956 (load_pic_register): Remove 'delay_pic_helper' arg. Use
4957 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
4958 Set pic_helper_needed to true. Don't call emit_pic_helper.
4959 (sparc_expand_prologue): Update load_pic_register call.
4960 (sparc_output_mi_thunk): Likewise.
4961 (sparc_file_end): Emit a hidden comdat symbol for the PIC
4962 thunk if possible. Output CFI information as needed.
4964 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
4965 Jack Howarth <howarth@bromo.med.uc.edu>
4968 * config/i386/i386.h: Fix ABI on darwin x86-32.
4970 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
4972 * tree.h: Declare make_decl_rtl_for_debug.
4973 * varasm.c (make_decl_rtl_for_debug): New.
4974 * dwarf2out.c (rtl_for_decl_location): Call it.
4975 * cfgexpand.c (expand_debug_expr): Call it.
4977 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4980 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
4984 * var-tracking.c (vt_init_cfa_base): Do nothing if
4985 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
4987 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
4990 * var-tracking.c (canonicalize_vars_star): New.
4991 (dataflow_post_merge_adjust): Use it.
4993 2010-03-18 Jakub Jelinek <jakub@redhat.com>
4996 * var-tracking.c (non_suitable_const): New function.
4997 (add_uses): For DEBUG_INSNs with constants, don't record any
4998 value, instead just the constant value itself.
4999 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
5000 is not VAR_LOC_UNKNOWN_P, set var to the constant.
5001 (emit_notes_in_bb): Likewise.
5002 (emit_note_insn_var_location): For onepart variables if
5003 cur_loc is a VOIDmode constant, use DECL_MODE.
5005 2010-03-18 Martin Jambor <mjambor@suse.cz>
5008 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
5009 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
5010 all non-clones. Moved call redirection...
5011 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
5012 (cgraph_materialize_all_clones): Dispose of all
5013 combined_args_to_skip bitmaps.
5014 (verify_cgraph_node): Do not check for edges pointing to wrong
5015 nodes in inline clones.
5016 * tree-inline.c (copy_bb): Call
5017 cgraph_redirect_edge_call_stmt_to_callee.
5018 * ipa.c (cgraph_remove_unreachable_nodes): Call
5019 cgraph_node_remove_callees even when there are used clones.
5021 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
5023 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
5025 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
5028 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
5031 2010-03-18 Michael Matz <matz@suse.de>
5034 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
5035 into sqrt(x) if we need to preserve signed zeros.
5037 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
5038 Eric Botcazou <ebotcazou@adacore.com>
5040 PR rtl-optimization/43360
5041 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
5042 note if we don't know its invariant status.
5044 2010-03-18 Michael Matz <matz@suse.de>
5046 PR tree-optimization/43402
5047 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
5048 PHI chains of ssa names registered for update.
5050 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
5053 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
5054 non-offsettable and pre_modify update addressing.
5055 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
5056 and "2" alternatives "#".
5057 (*movdd_softfloat32): Make all alternatives "#";
5058 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
5059 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
5060 (*movdf_softfloat32): Make all alternatives "#";
5061 (movdi): Use the new DIFD mode iterator to create a common splitter
5062 for movdi, movdf and movdd patterns.
5064 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
5066 * common.opt (dumpdir): Remove redundant tab.
5068 2010-03-17 Martin Jambor <mjambor@suse.cz>
5070 PR tree-optimization/43347
5071 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
5072 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
5074 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
5076 PR rtl-optimization/42216
5077 * regrename.c (create_new_chain): New function, broken out from...
5078 (scan_rtx_reg): ... here. Call it. Handle the case where we are
5079 appending a use to an empty chain.
5080 (build_def_use): Remove previous changes that convert OP_INOUT to
5081 OP_OUT operands; instead detect the case where an OP_INOUT operand
5082 uses a previously untracked register and create an empty chain for it.
5084 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5086 * doc/extend.texi (Function Attributes): Rewrite unfinished
5087 sentence in ms_abi documentation.
5089 2010-03-17 Alan Modra <amodra@gmail.com>
5091 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
5092 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
5093 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
5094 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
5096 2010-03-16 Richard Henderson <rth@redhat.com>
5099 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
5100 (lower_try_finally): Save and restore eh_seq around the expansion
5103 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
5105 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
5106 statements before splitting block.
5108 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5110 * doc/sourcebuild.texi (Testsuites): Fix markup.
5111 Use pathnames relative to gcc/testsuite.
5112 (Test Directives): Move description of how timeout is determined.
5113 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
5114 (C Tests): Correct gcc.misc-tests directory.
5115 Framework tests now live in gcc.test-framework.
5117 2010-03-16 Richard Guenther <rguenther@suse.de>
5120 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
5121 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
5123 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
5124 Alexandre Oliva <aoliva@redhat.com>
5126 PR tree-optimization/42917
5127 * lambda-code.c (remove_iv): Skip debug statements.
5128 (lambda_loopnest_to_gcc_loopnest): Likewise.
5129 (not_interesting_stmt): Debug statements are not interesting.
5131 2010-03-16 Jakub Jelinek <jakub@redhat.com>
5135 * cselib.c (cselib_preserve_constants,
5136 cfa_base_preserved_val): New static variables.
5137 (preserve_only_constants): New function.
5138 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
5139 clear its REG_VALUES. If cselib_preserve_constants, don't
5140 empty the whole hash table, but preserve there VALUEs with constants,
5141 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
5142 (cselib_preserve_cfa_base_value): New function.
5143 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
5144 (cselib_init): Change argument to int bitfield. Set
5145 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
5147 (cselib_finish): Clear cselib_preserve_constants and
5148 cfa_base_preserved_val.
5149 * cselib.h (enum cselib_record_what): New enum.
5150 (cselib_init): Change argument to int.
5151 (cselib_preserve_cfa_base_value): New prototype.
5152 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
5153 * dse.c (dse_step1): Likewise.
5154 * cfgcleanup.c (thread_jump): Likewise.
5155 * sched-deps.c (sched_analyze): Likewise.
5156 * gcse.c (local_cprop_pass): Likewise.
5157 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
5158 If FN is non-NULL, call the callback always and whenever it returns
5159 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
5160 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
5161 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
5162 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
5163 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
5164 * var-tracking.c: Include recog.h.
5165 (bb_stack_adjust_offset): Remove.
5166 (vt_stack_adjustments): Don't call it, instead just gather the
5167 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
5168 (adjust_stack_reference): Remove.
5169 (compute_cfa_pointer): New function.
5170 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
5171 (struct adjust_mem_data): New type.
5172 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
5174 (get_address_mode): New function.
5175 (replace_expr_with_values): Use it.
5176 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
5177 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
5178 (adjust_sets): Remove.
5179 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
5180 Use get_address_mode.
5181 (get_adjusted_src): Remove.
5182 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
5183 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
5184 (add_with_sets): Don't call adjust_sets.
5185 (fp_setter, vt_init_cfa_base): New functions.
5186 (vt_initialize): Change return type to bool. Move most of pool etc.
5187 initialization to the beginning of the function from end. Pass
5188 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
5189 If !frame_pointer_needed, call vt_stack_adjustment before mos
5190 vector is filled, call vt_init_cfa_base if argp/framep has been
5191 eliminated to sp. If frame_pointer_needed and argp/framep has
5192 been eliminated to hard frame pointer, set
5193 hard_frame_pointer_adjustment and call vt_init_cfa_base after
5194 encountering fp setter in the prologue. For MO_ADJUST, call
5195 log_op_type before pusing the op into mos vector, not afterwards.
5196 Call adjust_insn before cselib_process_insn/add_with_sets,
5197 call cancel_changes (0) afterwards.
5198 (variable_tracking_main_1): Adjust for vt_initialize calling
5199 vt_stack_adjustments and returning whether it succeeded or not.
5201 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
5203 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
5206 2010-03-15 Jakub Jelinek <jakub@redhat.com>
5208 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
5210 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
5211 drap_reg has not been set.
5213 2010-03-15 Michael Matz <matz@suse.de>
5216 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
5217 use it to expand block copies.
5218 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
5219 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
5220 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
5222 2010-03-15 Richard Guenther <rguenther@suse.de>
5224 PR tree-optimization/43367
5225 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
5228 2010-03-15 Richard Guenther <rguenther@suse.de>
5230 PR tree-optimization/43317
5231 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
5233 2010-03-15 Martin Jambor <mjambor@suse.cz>
5235 PR tree-optimization/43141
5236 * tree-sra.c (create_abstract_origin): New function.
5237 (modify_function): Call create_abstract_origin.
5239 2010-03-15 Chris Demetriou <cgd@google.com>
5241 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
5244 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5247 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
5248 call insert_out_of_ssa_copy for default definitions.
5250 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5252 * graphite-clast-to-gimple.c (my_long_long): Defined.
5253 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
5254 * graphite-sese-to-poly.c (my_long_long): Defined.
5255 (scop_ivs_can_be_represented): Use it.
5257 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5259 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
5260 graphite-max-bbs-per-function, and loop-block-tile-size.
5261 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
5263 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
5265 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5267 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
5268 forward declaration.
5269 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
5270 (add_upper_bounds_from_estimated_nit): New.
5271 (build_loop_iteration_domains): Use it.
5273 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5275 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
5277 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5280 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
5281 should be an INTEGER_CST. Also handle CASE_CONVERT.
5283 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5285 * graphite.c (graphite_initialize): To bound the number of bbs per
5286 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
5287 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
5288 * doc/invoke.texi: Document it.
5290 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5292 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
5293 * graphite-sese-to-poly.h (build_poly_scop): Same.
5295 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
5297 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
5298 the number of parameters in the scop. Use as an upper bound
5299 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
5300 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
5301 * doc/invoke.texi: Document it.
5303 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
5305 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
5306 * doc/c-tree.texi: Remove.
5307 * doc/generic.texi: Merge c-tree.texi here.
5308 * doc/gccint.texi (Trees): Remove menu entry.
5309 (c-tree.texi): Remove @include.
5310 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
5311 * doc/languages.texi (Reading RTL): Ditto.
5313 2010-03-12 Steve Ellcey <sje@cup.hp.com>
5316 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
5318 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
5321 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
5322 code added to work around reload clobbering CONST insns.
5324 2010-03-12 Jakub Jelinek <jakub@redhat.com>
5326 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
5327 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
5328 (cselib_preserve_only_values): Remove retain argument, don't
5329 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
5330 * cselib.h (cselib_preserve_only_values): Remove retain argument.
5331 * var-tracking.c (micro_operation): Move insn field before union.
5332 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
5333 (struct variable_tracking_info_def): Remove n_mos field, change
5334 mos into a vector of micro_operations.
5335 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
5336 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
5337 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
5338 changing into a vector.
5339 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
5340 come before all other uops generated by add_stores.
5341 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
5343 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
5344 a vector. Run just one pass over the bbs instead of separate counting
5345 and computation phase.
5346 (vt_finalize): Free VTI (bb)->mos vector instead of array.
5349 * tree-inline.c (remap_decls): Put old_var rather than origin_var
5350 into *nonlocalized_list vector.
5351 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
5352 even if origin is non-NULL.
5353 (gen_variable_die): Likewise.
5354 (process_scope_var): Don't change origin.
5355 (gen_decl_die): Likewise.
5356 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
5357 before adding new edges instead of after it, fix moving over
5360 2010-03-11 David S. Miller <davem@davemloft.net>
5362 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
5364 * configure: Rebuild.
5366 2010-03-11 Martin Jambor <mjambor@suse.cz>
5368 PR tree-optimization/43257
5369 * tree.c (assign_assembler_name_if_neeeded): New function.
5370 (free_lang_data_in_cgraph): Assembler name assignment moved to the
5372 * tree.h (assign_assembler_name_if_neeeded): Declare.
5373 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
5374 the function if needed.
5376 2010-03-11 Chris Demetriou <cgd@google.com>
5378 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
5379 include/stdint-gcc.h, and include/stdint.h world-readable.
5381 2010-03-11 Richard Guenther <rguenther@suse.de>
5383 PR tree-optimization/43255
5384 * tree-vrp.c (process_assert_insertions_for): Do not insert
5385 asserts for trivial conditions.
5387 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5389 PR tree-optimization/43280
5390 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
5391 generation. Move calculation of size out of the if branch.
5392 (find_bswap): Modify compare number generation.
5394 2010-03-11 Richard Guenther <rguenther@suse.de>
5397 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
5398 (input_gimple_stmt): Fixup handled component types during
5399 operand read. Also fix up decls in ADDR_EXPRs.
5401 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
5403 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
5404 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
5406 2010-03-10 Jan Hubicka <jh@suse.cz>
5409 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
5410 * varasm.c (get_variable_section): Don't do that here...
5411 (make_decl_rtl): ... and here.
5412 (do_assemble_alias): Produce decl RTL.
5413 (assemble_alias): Likewise.
5415 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5418 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
5419 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
5421 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
5422 (based_loc_descr): Only express drap or vdrap regno based expressions
5423 using DW_OP_fbreg when not optimizing.
5424 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
5425 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
5426 REG_CFA_SET_VDRAP note.
5428 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
5430 PR tree-optimization/43236
5431 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
5432 error in calculation of base address in reverse iteration case.
5433 (generate_builtin): Take number of latch executions if the statement
5436 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
5439 * tree-eh.c: Include pointer-set.h.
5440 (lower_eh_dispatch): Filter out duplicate case labels and
5441 remove the unneeded edge when the label is unused. Return
5442 true when some edges are removed.
5443 (execute_lower_eh_dispatch): When any lowering resulted in
5444 removing an edge, also delete unreachable blocks.
5446 2010-03-10 Jakub Jelinek <jakub@redhat.com>
5449 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
5450 UNSPEC_MACHOPIC_OFFSET.
5452 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
5455 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
5456 (m68k_delegitimize_address): New function.
5458 2010-03-09 Jakub Jelinek <jakub@redhat.com>
5461 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
5464 * var-tracking.c (adjust_sets): New function.
5465 (count_with_sets, add_with_sets): Use it.
5466 (get_adjusted_src): New inline function.
5467 (add_stores): Use it.
5470 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
5471 call cselib_dummy_expand_value_rtx_cb instead of
5472 cselib_expand_value_rtx_cb.
5475 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
5476 * config/i386/i386.c: Include debug.h and dwarf2out.h.
5477 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
5478 and .cfi_endproc around the pic thunks.
5479 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
5480 all queued unwind info register saves are saved before the call.
5481 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
5482 considered as sp-=4 for unwind info and the pop as sp+=4 which
5483 also clobbers dest, but doesn't actually restore it.
5486 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
5487 RTX_FRAME_RELATED_P.
5489 2010-03-09 Jie Zhang <jie@codesourcery.com>
5491 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
5492 whitespaces in output template.
5494 2010-03-09 Jie Zhang <jie@codesourcery.com>
5496 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
5499 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5501 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
5502 builtins.exp in a separate job.
5504 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5506 * graphite-sese-to-poly.c (add_param_constraints): Use
5507 lower_bound_in_type and upper_bound_in_type.
5509 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5511 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
5512 instead of unsigned_type_node.
5514 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5515 Reza Yazdani <reza.yazdani@amd.com>
5518 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
5519 on pointer type parameters.
5521 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5525 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
5526 handle conversions from pointer to integers.
5527 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
5528 induction variable, to be able to work with code generated by CLooG.
5529 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
5530 (build_poly_scop): Bail out if we cannot codegen a loop.
5532 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
5534 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
5535 code generation with gloog_error.
5537 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5539 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
5540 Call fold_convert on all the returned values.
5541 (expand_scalar_variables_expr): Pass to
5542 expand_scalar_variables_ssa_name the type of the resulting expression.
5544 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5546 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
5547 ppl_min_for_le_pointset.
5548 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
5549 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
5551 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5553 * graphite-dependences.c (map_into_dep_poly): Removed.
5554 (dependence_polyhedron_1): Use combine_context_id_scat.
5556 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5558 * graphite-poly.h (struct poly_scattering): Add layout documentation.
5559 (struct poly_bb): Same.
5560 (combine_context_id_scat): New.
5562 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5565 * sese.c (name_defined_in_loop_p): Return false for default
5568 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5570 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
5571 and clean up the logic.
5573 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
5575 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
5578 2010-03-08 Jakub Jelinek <jakub@redhat.com>
5580 * var-tracking.c (remove_cselib_value_chains): Define only for
5582 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
5583 delete_slot_part, emit_notes_for_differences_1): Don't call
5584 remove_cselib_value_chains here.
5585 (set_slot_part, emit_notes_for_differences_2): Don't call
5586 add_cselib_value_chains here.
5587 (preserved_values): New vector.
5588 (preserve_value): New function.
5589 (add_uses, add_stores, vt_add_function_parameters): Use it
5590 instead of cselib_preserve_value.
5591 (changed_values_stack): New vector.
5592 (check_changed_vars_0): New function.
5593 (check_changed_vars_1, check_changed_vars_2): Use it.
5594 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
5595 changed_values_stack VALUEs.
5596 (vt_emit_notes): For all preserved_values call
5597 add_cselib_value_chains. If ENABLE_CHECKING call
5598 remove_cselib_value_chains before verifying value_chains is empty.
5599 Initialize and free changed_values_stack.
5600 (vt_initialize): Initialize preserved_values.
5601 (vt_finalize): Free preserved_values.
5603 2010-03-08 Richard Guenther <rguenther@suse.de>
5605 PR tree-optimization/43269
5606 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
5609 2010-03-08 Martin Jambor <mjambor@suse.cz>
5611 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
5612 (ipa_is_param_called): Removed.
5613 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
5614 (ipa_print_node_params): Do not print the called flag.
5615 (ipa_write_node_info): Do not stream the called flag.
5616 (ipa_read_node_info): Likewise.
5618 2010-03-07 Jakub Jelinek <jakub@redhat.com>
5621 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
5622 * cselib.c (struct expand_value_data): Add dummy field.
5623 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
5625 (cselib_dummy_expand_value_rtx_cb): New function.
5626 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
5628 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
5629 * var-tracking.c: Include pointer-set.h.
5630 (variable): Change n_var_parts to char from int. Add
5631 cur_loc_changed and in_changed_variables fields.
5632 (variable_canonicalize): Remove.
5633 (shared_var_p): New inline function.
5634 (unshare_variable): Maintain cur_loc_changed and
5635 in_changed_variables fields. If var was in changed_variables,
5636 replace it there with new_var. Just copy cur_loc instead of
5637 resetting it to something else.
5638 (variable_union): Don't recompute cur_loc. Use shared_var_p.
5639 (dataflow_set_union): Don't call variable_canonicalize.
5640 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
5641 of their DEBUG_EXPR_TREE_DECLs.
5642 (canonicalize_loc_order_check): Verify that cur_loc is NULL
5643 and in_changed_variables and cur_loc_changed is false.
5644 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
5645 and cur_loc_changed. Don't update cur_loc here.
5646 (variable_merge_over_src): Don't call variable_canonicalize.
5647 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
5648 removing loc that is equal to cur_loc, clear cur_loc,
5649 set cur_loc_changed and ensure variable_was_changed is called.
5650 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
5651 compare pointers in cur_loc check, if it is equal to loc,
5652 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
5653 (variable_different_p): Remove compare_current_location argument,
5654 don't compare cur_loc.
5655 (dataflow_set_different_1): Adjust variable_different_p caller.
5656 (variable_was_changed): If dv had some var in changed_variables
5657 already, reset in_changed_variables flag for it and propagate
5658 cur_loc_changed over to the new variable. On empty var
5659 always set cur_loc_changed. Set in_changed_variables on whatever
5660 var is added to changed_variables.
5661 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
5662 Use shared_var_p. When removing loc that is equal to cur_loc,
5663 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
5664 end, don't set it to something else, just call variable_was_changed.
5665 (delete_slot_part): Use shared_var_p. When cur_loc equals to
5666 loc being removed, clear cur_loc and set cur_loc_changed.
5667 Set cur_loc_changed if all locations have been removed.
5668 (struct expand_loc_callback_data): New type.
5669 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
5670 allocated. Always create SUBREGs if simplify_subreg failed.
5671 Prefer to use cur_loc, when that fails and still in
5672 changed_variables (and seen first time) recompute it. Set
5673 cur_loc_changed of variables which had to change cur_loc and
5674 compute elcd->cur_loc_changed if any of the subexpressions used
5675 had to change cur_loc.
5676 (vt_expand_loc): Adjust to pass arguments in
5677 expand_loc_callback_data structure.
5678 (vt_expand_loc_dummy): New function.
5679 (emitted_notes): New variable.
5680 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
5681 that weren't used for any other decl in current
5682 emit_notes_for_changes call call vt_expand_loc_dummy to update
5683 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
5684 first loc_chain location if NULL before. Always use just
5685 cur_loc instead of first loc_chain location. When cur_loc_changed
5686 is false, when not --enable-checking=rtl just don't emit any note.
5687 When rtl checking, compute the note and assert it is the same
5688 as previous note. Clear cur_loc_changed and in_changed_variables
5689 at the end before removing from changed_variables.
5690 (check_changed_vars_3): New function.
5691 (emit_notes_for_changes): Traverse changed_vars to call
5692 check_changed_vars_3 on each changed var.
5693 (emit_notes_for_differences_1): Clear cur_loc_changed and
5694 in_changed_variables. Recompute cur_loc of new_var.
5695 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
5696 (vt_emit_notes): Initialize and destroy emitted_notes.
5698 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
5700 PR rtl-optimization/42220
5701 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
5702 Use verify_reg_tracked to determine if we should use OP_OUT rather
5704 (build_def_use): If we see an in-out operand for a register that we
5705 know nothing about, treat is an output if possible, fail the block if
5708 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5711 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
5714 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5717 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
5718 uses of relevant DEFs that are dead outside the loop too.
5720 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
5722 * var-tracking.c (dataflow_set_merge): Swap src and src2.
5724 2010-01-13 Jakub Jelinek <jakub@redhat.com>
5726 * var-tracking.c (values_to_unmark): New variable.
5727 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
5728 values_to_unmark vector. Moved body to...
5729 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
5730 instead queue it into values_to_unmark vector.
5731 (vt_find_locations): Free values_to_unmark vector.
5733 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
5735 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
5736 (site.exp): Export them when plugins are enabled.
5738 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
5741 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
5743 (chrec_fold_multiply): Same.
5745 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
5748 * c-decl.c (build_compound_literal): Return early if init is
5751 2010-03-04 Martin Jambor <mjambor@suse.cz>
5753 PR tree-optimization/43164
5754 PR tree-optimization/43191
5755 * tree-sra.c (type_consists_of_records_p): Reject records with
5756 zero-size bit-fields at the end.
5758 2010-03-04 Mike Stump <mikestump@comcast.net>
5760 * Makefile.in (TAGS): Remove *.y.
5762 2010-03-04 Richard Guenther <rguenther@suse.de>
5764 PR tree-optimization/40761
5765 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
5767 (my_rev_post_order_compute): New function.
5768 (init_pre): Call it.
5770 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
5773 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
5774 decrease the cost of an IV candidate when the cost is infinite.
5776 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5778 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
5779 Use '3DNow!' for the extension of that name, ensure normal space
5781 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
5783 2010-03-03 Jeff Law <law@redhat.com>
5785 * PR middle-end/32693
5786 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
5787 than gen_rtx_SUBREG.
5788 (extract_bit_field_1): Likewise.
5790 2010-03-03 Janis Johnson <janis187@us.ibm.com>
5792 * doc/sourcebuild.texi (Test directives): Document that arguments
5793 include-opts and exclude-opts are now optional for dg-skip-if,
5794 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
5796 2010-03-03 Jason Merrill <jason@redhat.com>
5799 * cgraph.h (varpool_node): Add extra_name field.
5800 * varpool.c (varpool_extra_name_alias): New.
5801 (varpool_assemble_decl): Emit extra name aliases.
5802 (varpool_mark_needed_node): Look past an extra name alias.
5803 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
5804 * lto-streamer-in.c (lto_input_tree): Read it.
5805 * lto-streamer-out.c (output_unreferenced_globals): Write it.
5807 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
5809 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
5810 (sparc*-*-solaris2*): ...this.
5812 2010-03-03 Jakub Jelinek <jakub@redhat.com>
5815 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
5816 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
5817 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
5818 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
5821 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
5822 fallthrough to default handling, just with want_address 0 instead of 2.
5823 For single element lists, add_AT_loc directly, otherwise create an
5824 artificial variable DIE and stick location list to it.
5827 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
5828 (VAL_EXPR_HAS_REVERSE): Define.
5829 (reverse_op): New function.
5830 (add_stores): For reversible operations add an extra MO_VAL_USE.
5832 2010-03-02 Jason Merrill <jason@redhat.com>
5834 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
5836 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
5838 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
5839 (sparc64-*-linux*): Likewise.
5840 (sparc64-*-solaris2*): Include assembler files before linker ones.
5841 (sparc-*-solaris2*): Simplify and reorder to match previous case.
5842 * config/sparc/gas.h: Delete.
5843 * config/sparc/sol2-64.h: Add copyright notice.
5844 * config/sparc/sol2-gas-bi.h: Likewise.
5845 * config/sparc/sol2-gld.h: Likewise.
5846 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
5847 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
5848 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
5849 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
5850 (sparc_elf_asm_named_section): Rename into...
5851 (sparc_solaris_elf_asm_named_section): ...this. Always define.
5853 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
5855 * config/alpha/alpha.c (override_options): Fix -mtune error message.
5857 2010-03-02 Jeff Law <law@redhat.com>
5860 * reload1.c (rtx_p, substitute_stack): Declare.
5861 (substitute): Record addresses of changed rtxs.
5862 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
5863 Restore the original rtx when complete.
5864 (reload): Free subsitute_stack when complete.
5866 2010-03-02 Janis Johnson <janis187@us.ibm.com>
5868 * doc/gccint.texi (menu): Add Testsuites as a chapter.
5869 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
5871 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
5872 LTO Testing, gcov Testing, profopt Testing, compat Testing,
5873 Torture Tests): Change from subsection to section.
5875 2010-03-02 Jakub Jelinek <jakub@redhat.com>
5876 Steven Bosscher <steven@gcc.gnu.org>
5878 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
5881 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
5884 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
5885 the assignment from the new induction variable to the assignment
5886 of the value from the original loop PHI function.
5888 2010-03-01 Janis Johnson <janis187@us.ibm.com>
5889 Daniel Jacobowitz <dan@codesourcery.com>
5891 * doc/sourcebuild.texi (Test directives): Clarify options to
5894 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5896 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
5897 Disable cfi directives unless GCC and gas agree on using read-only
5898 .eh_frame sections for 64-bit.
5899 * configure: Regenerate.
5901 2010-03-01 Richard Guenther <rguenther@suse.de>
5903 PR tree-optimization/43220
5904 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
5905 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
5907 2010-03-01 Richard Guenther <rguenther@suse.de>
5908 Martin Jambor <mjambor@suse.cz>
5911 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
5912 gimplified parameters.
5914 2010-03-01 Christian Bruel <christian.bruel@st.com>
5916 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
5918 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
5920 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
5922 2010-03-01 Richard Guenther <rguenther@suse.de>
5925 * expr.c (expand_assignment): Use the alias-oracle to tell
5926 if the rhs aliases the result decl.
5928 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5931 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
5932 to sol_gt_pch_get_address.
5933 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
5934 64-bit, SPARC and x86.
5935 (sol_gt_pch_get_address): New function.
5937 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
5939 * toplev.h (inform_n, error_n): Declare.
5940 * diagnostic.c (inform_n, error_n): New function.
5942 2010-03-01 Jakub Jelinek <jakub@redhat.com>
5944 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
5945 has no rtl yet when processing local_decls, queue it and recheck
5946 if deferred stack allocation hasn't assigned it rtl.
5948 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
5950 * config/sh/sh.c (unspec_bbr_uid): New.
5951 (gen_block_redirect): Use it instead of INSN_UID.
5952 (gen_far_branch): Likewise.
5954 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
5956 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
5957 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
5959 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5961 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
5962 (Warning Options): -Wno-conversion-null is valid for
5963 Objective-C++ as well.
5964 * doc/tm.texi (Named Address Spaces): Likewise.
5965 * doc/plugins.texi (Plugins): Replace TABs with spaces.
5966 * doc/tree-ssa.texi (Tree SSA): Likewise.
5968 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5971 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
5972 by default. Don't set the default arch for
5973 i[34567]86-*-darwin*|x86_64-*-darwin*.
5975 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5978 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
5979 default. Set the default 32bit/64bit archs with $with_arch
5980 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
5982 2010-02-27 Richard Guenther <rguenther@suse.de>
5984 PR tree-optimization/43186
5985 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
5986 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
5987 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
5988 unroller iterations.
5990 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
5992 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
5993 required and i[34567]86-*-* targets don't support 64bit ISA.
5995 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
5998 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
6001 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
6003 * config.gcc: Set the default arch at least to Prescott for
6004 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
6005 if SSE math is enabled.
6007 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6009 * diagnostic.c (diagnostic_initialize): Update.
6010 (diagnostic_report_diagnostic): Test inhibit_notes_p for
6012 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
6013 (diagnostic_inhibit_notes): New.
6014 * toplev.c (process_options): inhibit notes with -fcompare-debug.
6016 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6019 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
6020 * doc/standards.texi: Likewise.
6021 * doc/extend.texi: Likewise.
6022 * doc/trouble.texi: Likewise.
6023 * doc/cppopts.texi: Likewise.
6024 * doc/install.texi: Likewise.
6025 * c.opt (std=c90,std=gnu90): New options.
6026 * c-opts.c (c_common_handle_option): Handle them.
6028 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
6031 * c-decl.c (undeclared_variable): Use an informative note.
6033 2010-02-26 Richard Guenther <rguenther@suse.de>
6035 PR tree-optimization/43186
6036 * gimple.h (gimple_fold): Remove.
6037 * gimple.c (gimple_fold): Remove. Inline into single user ...
6038 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
6039 Try harder for conditions.
6041 2010-02-26 Jakub Jelinek <jakub@redhat.com>
6044 * function.c (used_types_insert): Don't skip through named pointer
6045 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
6046 and it is different from the main variant's type.
6048 2010-02-26 Nick Clifton <nickc@redhat.com>
6050 * config/rx/rx.md (sminsi3): Remove bogus alternative.
6052 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
6054 * config.gcc: Support --with-fpmath=sse for x86.
6056 * config/i386/ssemath.h: New.
6058 * doc/install.texi (--with-fpmath=sse): Documented.
6060 2010-02-26 Richard Guenther <rguenther@suse.de>
6062 PR tree-optimization/43188
6063 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
6064 vector types of over-aligned element type.
6066 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
6069 * config/i386/i386.c (expand_vec_perm_blend): Use correct
6070 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
6072 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
6074 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
6076 2010-02-26 Jakub Jelinek <jakub@redhat.com>
6078 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
6079 * var-tracking.c: Include diagnostic.h.
6080 (debug_dv): New function.
6081 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
6084 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
6085 (add_value_chain, add_value_chains, remove_value_chain,
6086 remove_value_chains): Handle DEBUG_EXPRs.
6087 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
6090 * regcprop.c (struct queued_debug_insn_change): New type.
6091 (struct value_data_entry): Add debug_insn_changes field.
6092 (struct value_data): Add n_debug_insn_changes field.
6093 (debug_insn_changes_pool): New variable.
6094 (free_debug_insn_changes, apply_debug_insn_changes,
6095 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
6096 (kill_value_one_regno): Call free_debug_insn_changes if needed.
6097 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
6099 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
6101 (copyprop_hardreg_forward_1): Don't call apply_change_group for
6102 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
6103 changes, call cprop_find_used_regs via note_stores.
6104 (copyprop_hardreg_forward): When copying vd from predecessor
6105 which has any queued DEBUG_INSN changes, make sure the pointers are
6106 cleared. At the end call df_analyze and then if there are any
6107 DEBUG_INSN changes queued at the end of some basic block for still
6108 live registers, apply them.
6109 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
6111 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
6113 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
6116 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
6118 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
6119 targets. Set the default with_cpu/with_arch from arch/cpu.
6120 Allow x86-64 and native for with_cpu/with_arch.
6122 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
6124 * ebitmap.c: Change calls to verify_popcount with calls to
6125 sbitmap_verify_popcount.
6126 (ebitmap_clear_bit): Fixed map->cacheindex test and
6127 map>cache update when bit clearing results in an empty
6130 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
6133 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
6134 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
6135 and support both V2DF and V2DI modes.
6136 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
6137 support both V2DF and V2DI modes.
6138 (general): Delete trailing whitespace from a few patterns.
6140 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
6141 V2DF/V2DI interleave high/low builtins.
6143 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
6146 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
6147 interleave high/low functions.
6149 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
6151 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
6152 #pragma extern_prefix.
6154 2010-02-25 Jakub Jelinek <jakub@redhat.com>
6157 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
6158 BLKmode, assert op0 is a MEM and just adjust its mode.
6161 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
6162 if bitpos isn't multiple of mode's bitsize.
6164 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
6166 * c.opt (-ftemplate-depth=): New.
6167 (-ftemplate-depth-): Deprecate.
6168 * optc-gen.awk: Handle -ftemplate-depth=.
6169 * opth-gen.awk: Likewise.
6170 * c-opts.c (c_common_handle_option): Likewise.
6171 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
6173 2010-02-24 Jason Merrill <jason@redhat.com>
6175 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
6177 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6179 * cfg.c (alloc_aux_for_block): Remove inline.
6180 (alloc_aux_for_edge): Likewise.
6182 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6184 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
6186 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6188 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
6189 * config/i386/sol2-gas.h: New file.
6190 * config.gcc (i[34567]86-*-solaris2*): Use it.
6192 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
6195 * c-typeck.c (ep_convert_and_check): New.
6196 (build_conditional_expr): Use it.
6197 (build_binary_op): Likewise.
6199 2010-02-24 Jakub Jelinek <jakub@redhat.com>
6201 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
6204 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
6205 bounds even for -O+.
6206 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
6207 expr needs to have DECL_NAME set.
6209 2010-02-24 Nick Clifton <nickc@redhat.com>
6211 * config/mep/mep.c: Include gimple.h.
6212 (mep_function_uses_sp): Delete unused function.
6213 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
6214 parameters. Use unsigned integers to count args. Return a
6215 NULL_RTX instead of an error_mark_node. Toidy up formatting.
6217 2010-02-23 Jakub Jelinek <jakub@redhat.com>
6220 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
6221 greater or equal to nelt instead of 2 * nelt.
6222 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
6225 2010-02-23 Jason Merrill <jason@redhat.com>
6228 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
6229 in cfun->local_decls even if they have register types.
6232 * stor-layout.c (place_field): Don't warn about unnecessary
6233 DECL_PACKED if the type is packed.
6235 2010-02-23 Jakub Jelinek <jakub@redhat.com>
6238 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
6239 GOTOFF relocs, even when the base reg isn't pic pointer.
6241 2010-02-23 Michael Matz <matz@suse.de>
6244 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
6245 (expand_gimple_basic_block): Generate and use debug temps if there
6246 are debug uses left after the last real use of TERed ssa names.
6247 Unlink debug immediate uses when they are expanded.
6249 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
6252 * config/i386/i386.c (override_options): Reorganise to provide
6253 better error messages.
6255 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6258 * graphite-scop-detection.c (create_single_exit_edge): Move
6259 the call to find_single_exit_edge to....
6260 (create_sese_edges): ...here. Don't handle multiple edges
6261 exiting the function.
6262 (build_graphite_scops): Don't handle multiple edges
6263 exiting the function.
6265 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6268 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
6269 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
6271 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
6274 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
6276 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
6279 * c-typeck.c (convert_arguments): Print declaration location.
6280 * c-common.c (validate_nargs): Rename as
6281 builtin_function_validate_nargs.
6282 (check_builtin_function_arguments): Update.
6284 2010-02-22 Richard Guenther <rguenther@suse.de>
6287 * tree-inline.c (declare_return_variable): Use the type of
6288 the call stmt lhs if available.
6290 2010-02-22 Duncan Sands <baldrick@free.fr>
6292 * passes.c (register_pass): Always consider all pass lists when
6293 ref_pass_instance_number is zero.
6295 2010-02-22 Richard Guenther <rguenther@suse.de>
6297 PR tree-optimization/42749
6298 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
6299 parameter. Do arithmetic in the original type.
6300 (update_accumulator_with_ops): Likewise.
6301 (adjust_accumulator_values): Adjust.
6303 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6305 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
6306 (QI to BLKmode splitter): New splitter.
6308 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
6310 * config/i386/i386.c (initial_ix86_tune_features): Turn on
6311 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
6313 2010-02-22 Richard Guenther <rguenther@suse.de>
6315 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
6317 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
6319 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
6320 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
6321 ($(T)crti.o, $(T)crtn.o): Remove rules.
6323 2010-02-21 Tobias Burnus <burnus@net-b.de>
6326 * doc/invoke.texi (-fassociative-math): Document that this
6327 option is automatically enabled for Fortran.
6329 2010-02-20 David S. Miller <davem@davemloft.net>
6331 * configure.ac: Test if linker and assembler properly support
6332 GOTDATA_OP relocations.
6333 * configure: Rebuild.
6334 * config.in: Likewise.
6335 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
6336 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
6337 (movsi_high_pic): Likewise.
6338 (movdi_lo_sum_pic): Likewise.
6339 (movdi_high_pic): Likewise.
6340 (movsi_pic_gotdata_op): New pattern.
6341 (movdi_pic_gotdata_op): Likewise.
6342 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
6343 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
6345 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
6348 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
6349 attribute to ssemul.
6350 (xop_mulv2div2di3_high): Ditto.
6352 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
6355 * c.opt (Wconversion-null): New option.
6356 * doc/invoke.texi (Wconversion-null): Document.
6358 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
6360 * common.opt (Wlarger-than-): Add Undocumented.
6362 2010-02-19 Mike Stump <mikestump@comcast.net>
6364 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
6366 2010-02-19 Jason Merrill <jason@redhat.com>
6369 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
6370 * configure: Likewise.
6372 2010-02-20 Alan Modra <amodra@gmail.com>
6375 * cgraph.h (cgraph_make_decl_local): Declare.
6376 * cgraph.c (cgraph_make_decl_local): New function.
6377 (cgraph_make_node_local): Use it.
6378 * cgraphunit.c (cgraph_function_versioning): Likewise.
6379 * ipa.c (function_and_variable_visibility): Likewise.
6381 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6384 * except.c (sjlj_emit_function_enter): Don't call
6385 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
6387 * rtl.h (add_reg_br_prob_note): Remove prototype.
6389 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
6392 * c-common.c (conversion_warning): Remove widening conversions
6393 before checking the conversion of integers to reals.
6395 2010-02-19 Mike Stump <mikestump@comcast.net>
6398 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
6401 * cgraphunit.c (process_function_and_variable_attributes): Check
6402 DECL_PRESERVE_P instead of looking up attribute "used".
6403 * ipa-pure-const.c (check_decl): Likewise.
6404 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
6405 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
6406 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
6407 instead of attribute "used".
6408 * config/sol2-c.c (solaris_pragma_init): Likewise.
6409 (solaris_pragma_fini): Likewise.
6411 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6413 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
6414 Use XCNEW instead of xcalloc.
6415 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
6416 XNEW instead of xmalloc.
6417 (get_fields): Use XNEWVEC instead of xmalloc.
6420 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
6421 populate vars array.
6422 (create_new_general_access): For debug stmts just reset value.
6423 (get_stmt_accesses): For accesses within debug stmts just record them
6424 using add_access_to_acc_sites instead of preventing the peeling or
6425 counting them as accesses.
6428 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
6430 2010-02-19 Richard Guenther <rguenther@suse.de>
6432 PR tree-optimization/42916
6433 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
6436 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
6438 * configure.ac: Replace all uses of changequote in macro arguments
6439 with proper quoting.
6441 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6444 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
6446 2010-02-19 Richard Guenther <rguenther@suse.de>
6448 PR tree-optimization/42944
6449 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
6450 test for aliasing with errno.
6452 2010-02-19 Jakub Jelinek <jakub@redhat.com>
6455 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
6456 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
6457 * dojump.c: Include output.h.
6458 (inv): New inline function.
6459 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
6460 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
6461 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
6462 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
6463 argument, pass it down to other calls.
6464 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
6465 add REG_BR_PROB note to the conditional jump.
6466 * cfgexpand.c (add_reg_br_prob_note): Removed.
6467 (expand_gimple_cond): Don't call it, add the probability
6468 as last argument to jumpif_1/jumpifnot_1.
6469 * Makefile.in (dojump.o): Depend on output.h.
6470 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
6472 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
6473 * stmt.c (do_jump_if_equal): Likewise.
6474 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
6475 * loop-unswitch.c (compare_and_jump_seq): Likewise.
6476 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
6478 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
6479 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
6480 jumpifnot_1 callers.
6481 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
6483 (store_expr): Adjust jumpifnot caller.
6484 (store_constructor): Adjust jumpif caller.
6487 * gimplify.c (gimple_boolify): For __builtin_expect call
6488 gimple_boolify also on its first argument.
6490 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
6492 * configure.ac (gnu-unique-object): Wrap regexps using [] in
6494 (__stack_chk_fail): Ditto. Remove quadrigraphs.
6495 * configure: Regenerated.
6497 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
6499 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
6500 lang_hooks.types_compatible_p instead of comptypes.
6502 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
6504 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
6505 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
6506 if __prefer_thumb__ is defined.
6508 2010-02-18 Martin Jambor <mjambor@suse.cz>
6510 PR tree-optimization/43066
6511 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
6512 array with zero-sized element type.
6514 2010-02-18 Jakub Jelinek <jakub@redhat.com>
6516 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
6517 rtx, allocate struct var_loc_node here and return it to the
6518 caller, and only if it is actually needed.
6519 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
6520 move it earlier and return immediately if it returns NULL.
6522 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
6524 * config/sparc/gas.h: New file. Restore
6525 TARGET_ASM_NAMED_SECTION to its ELF default.
6526 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
6528 * config/sparc/sparc.c (sparc_elf_asm_named_section):
6529 Likewise. Add ATTRIBUTE_UNUSED to prototype.
6530 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
6531 after sparc/sysv4.h.
6533 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
6535 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
6537 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
6539 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
6540 patterns from predicated pattern.
6542 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
6545 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
6546 for insn mnemonic suffix.
6548 2010-02-17 Richard Guenther <rguenther@suse.de>
6550 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
6553 2010-02-17 Jakub Jelinek <jakub@redhat.com>
6556 * caller-save.c (save_call_clobbered_regs): If BB ends with
6557 a DEBUG_INSN, move any notes in between last real insn and the last
6558 DEBUG_INSN after the last DEBUG_INSN.
6560 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
6562 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
6563 Fix return type. Fix argument type. Explain meaning of return value.
6565 2010-02-16 Richard Guenther <rguenther@suse.de>
6567 PR tree-optimization/41043
6568 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
6569 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
6571 (vrp_visit_phi_node): ... but only for loop PHI nodes.
6573 2010-02-16 Ira Rosen <irar@il.ibm.com>
6575 PR tree-optimization/43074
6576 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
6577 * tree-vect-loop.c (vect_analyze_loop_operations): Add
6578 vectorizable cycles in hybrid SLP check.
6579 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
6581 2010-02-16 Richard Guenther <rguenther@suse.de>
6583 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
6584 (true_dependence): If memrefs_conflict_p computes must-alias
6585 trust it. Move TBAA check after offset-based disambiguation.
6586 (canon_true_dependence): Likewise.
6588 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
6590 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
6591 * doc/invoke.texi: Document it.
6592 * var-tracking.c: Include toplev.h and params.h.
6593 (vt_find_locations): Return bool indicating success. Compute
6594 hash sizes unconditionally. Check new parameter, report.
6595 (variable_tracking_main_1): Check vt_find_locations results and
6596 retry. Renamed from...
6597 (variable_tracking_main): ... this. New wrapper to preserve
6598 flag_var_tracking_assignments.
6599 * Makefile.in (var-tracking.o): Adjust dependencies.
6601 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
6602 Jakub Jelinek <jakub@redhat.com>
6605 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
6606 if weak_import attribute is present.
6607 * config/darwin.c (machopic_select_section): Likewise.
6609 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
6611 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
6612 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
6613 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
6614 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
6616 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
6619 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
6622 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
6623 Rewrite text to refer to the names.
6625 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
6627 * config/i386/i386-builtin-types.def
6628 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
6629 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
6630 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
6631 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
6632 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
6633 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
6634 IX86_BUILTIN_VPERMIL2PS256.
6635 (MULTI_ARG_4_DF2_DI_I): Defined.
6636 (MULTI_ARG_4_DF2_DI_I1): Defined.
6637 (MULTI_ARG_4_SF2_SI_I): Defined.
6638 (MULTI_ARG_4_SF2_SI_I1): Defined.
6639 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
6640 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
6641 __builtin_ia32_vpermil2ps256.
6642 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6643 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6644 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
6645 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
6646 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
6647 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
6648 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
6649 CODE_FOR_xop_vpermil2v8sf3.
6650 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
6651 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
6652 * config/i386/xopintrin.h (_mm_permute2_pd): New.
6653 (_mm256_permute2_pd): New.
6654 (_mm_permute2_ps): New.
6655 (_mm256_permute2_ps): New.
6657 2010-02-15 Nick Clifton <nickc@redhat.com>
6659 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
6660 boolean parameters. Use emit_jump_insn when emitting a pop
6661 instruction containing a return insn.
6662 (push): Use 'true' rather than '1' as second parameter to F.
6663 (h8300_expand_prologue): Likewise.
6664 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
6665 (h8300_expand_epilogue): Likewise.
6667 2010-02-15 Richard Guenther <rguenther@suse.de>
6670 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
6673 2010-02-15 Nick Clifton <nickc@redhat.com>
6675 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
6678 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
6680 * intl.c (fake_ngettext): New function.
6681 * intl.h (fake_ngettext): Declare.
6682 (ngettext): Define macro.
6683 * collect2.c (notice_translated): New function.
6684 (main): Use notice_translated and ngettext.
6685 * collect2.h (notice_translated): Declare.
6687 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
6689 * reorg.c (delete_computation): Comment fixes.
6690 * caller-save.c (setup_save_areas): Idem.
6691 * sel-sched-dump.c (dump_lv_set): Idem.
6694 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
6696 * config/s390/s390.c (s390_sched_init): New function.
6697 (TARGET_SCHED_INIT): Target hook defined.
6699 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
6700 Jack Howarth <howarth@bromo.med.uc.edu>
6701 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
6704 Partial revert of unintended change in fix for PR41605.
6705 * config/darwin.h: Fix typo.
6706 * config/darwin9.h: Same.
6708 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6710 * c-pch.c (pch_init): Clear v.
6712 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6715 * graphite-scop-detection.c (graphite_can_represent_scev): Call
6716 graphite_can_represent_init for MULT_EXPR.
6718 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6722 * graphite-sese-to-poly.c (remove_phi): New.
6723 (translate_scalar_reduction_to_array): Call remove_phi.
6725 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6728 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
6729 * graphite-clast-to-gimple.h (gloog): Update declaration.
6730 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
6731 * graphite-poly.h (struct poly_bb): Add missing comments.
6732 (struct scop): Add poly_scop_p field.
6734 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
6735 * graphite.c (graphite_transform_loops): Build the polyhedral
6736 representation for each scop before code generation.
6737 * sese.c (rename_variables_in_operand): Removed.
6738 (rename_variables_in_expr): Return the renamed expression.
6739 (rename_sese_parameters): New.
6740 * sese.h (rename_sese_parameters): Declared.
6742 2010-02-11 Richard Guenther <rguenther@suse.de>
6744 PR tree-optimization/42998
6745 * tree-ssa-pre.c (create_expression_by_pieces): Treat
6746 POINTER_PLUS_EXPR properly.
6748 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
6749 Changpeng Fang <changpeng.fang@amd.com>
6752 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
6753 the cost of an IV candidate when the IV is used in a test against zero.
6755 * gcc.dg/tree-ssa/ivopts-3.c: New.
6757 2010-02-11 Richard Guenther <rguenther@suse.de>
6760 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
6761 pointer-vs-decl case by swapping refs. Handle some cases
6762 of pointer-vs-decl disambiguations more conservatively.
6763 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
6764 to false after expanding.
6766 2010-02-11 Richard Guenther <rguenther@suse.de>
6769 * gcc.c (process_command): Handle LTO file@offset case more
6772 2010-02-11 Jakub Jelinek <jakub@redhat.com>
6774 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
6775 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
6777 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
6779 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
6780 if MEM's mode size isn't DWARF2_ADDR_SIZE.
6781 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
6782 Optimize eq/ne comparisons when both arguments are known to be
6784 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
6785 Don't mask operands unnecessarily if they are known to be already
6788 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
6790 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
6793 2010-02-10 Richard Guenther <rguenther@suse.de>
6795 PR tree-optimization/43017
6796 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
6797 for wrapping signed arithmetic.
6799 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6802 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
6803 if no debug info should be emitted for it.
6805 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
6807 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
6808 note when flag_exceptions is set.
6810 2010-02-10 Duncan Sands <baldrick@free.fr>
6812 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
6814 2010-02-10 Richard Guenther <rguenther@suse.de>
6817 * tree.c (get_unwidened): Handle constants.
6818 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
6820 2010-02-10 Martin Jambor <mjambor@suse.cz>
6823 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
6824 check for variable argument counts independently.
6826 2010-02-10 Christian Bruel <christian.bruel@st.com>
6829 * config/sh/sh.c (find_barrier): Increase length for non delayed
6830 conditional branches.
6832 2010-02-10 Christian Bruel <christian.bruel@st.com>
6834 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
6836 2010-02-10 Jakub Jelinek <jakub@redhat.com>
6838 * builtins.c (set_builtin_user_assembler_name): Also handle
6839 ffs if int is smaller than word.
6841 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
6844 * ira-conflicts.c (get_dup): Remove.
6845 (process_reg_shuffles): Add new parameter. Use it as an
6846 additional guard for copy generation.
6847 (add_insn_allocno_copies): Rewrite.
6849 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
6851 * common.opt (fsched2-use-traces): Preserved for backward
6853 * doc/invoke.texi: Remove the documentation about option
6854 -fsched2-use-traces.
6855 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
6856 flag_sched2_use_traces.
6857 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
6858 the backward compatibility flag section.
6860 2010-02-09 Richard Guenther <rguenther@suse.de>
6862 PR tree-optimization/43008
6863 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
6864 make HEAP variables initialized from global memory if they
6865 are not known builtin functions.
6866 (find_func_aliases): Adjust.
6868 2010-02-09 Richard Guenther <rguenther@suse.de>
6870 PR tree-optimization/43000
6871 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
6872 arithmetic manually.
6874 2010-02-08 Jakub Jelinek <jakub@redhat.com>
6876 PR tree-optimization/42931
6877 * tree-loop-linear.c (try_interchange_loops): Don't call
6878 double_int_mul if estimated_loop_iterations failed.
6880 2010-02-08 Martin Jambor <mjambor@suse.cz>
6883 * tree-sra.c (build_accesses_from_assign): Do not mark in
6884 should_scalarize_away_bitmap if stmt has volatile ops.
6885 (sra_modify_assign): Do not process assigns piecemeal if if stmt
6888 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
6890 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
6892 2010-02-07 Adam Nemet <adambnmet@gmail.com>
6894 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
6897 2010-02-07 Andrew Pinski <pinskia@gmail.com>
6900 * df-core.c (df_finish_pass): Change type of saved_flags to int.
6902 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6905 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
6906 to unknown_dependence.
6907 (graphite_legal_transform_dr): Handle the unknown_dependence.
6908 (graphite_carried_dependence_level_k): Same.
6910 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
6912 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
6914 2010-02-07 Richard Guenther <rguenther@suse.de>
6917 * expr.c (get_inner_reference): Always initialize *pbitsize.
6919 2010-02-07 Richard Guenther <rguenther@suse.de>
6922 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
6923 new ARRAY_REFs on variable size element or minimal index arrays.
6925 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
6926 gimple_fold_indirect_ref.
6928 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
6931 * arm.c (arm_override_options): Just return if the user has specified
6932 an invalid fpu name.
6934 2010-02-03 Jason Merrill <jason@redhat.com>
6937 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
6938 i386_pe_maybe_record_exported_symbol.
6940 2010-02-05 Steve Ellcey <sje@cup.hp.com>
6943 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
6944 (pa_delegitimize_address): New function.
6946 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
6948 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
6949 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
6951 2010-02-05 Richard Guenther <rguenther@suse.de>
6954 * lto-streamer-in.c (get_resolution): Deal with references
6955 to undefined functions.
6957 2010-02-05 Richard Guenther <rguenther@suse.de>
6959 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
6960 (fold_const_aggregate_ref): Likewise.
6961 (ccp_fold_stmt): Substitute loads.
6962 (maybe_fold_reference): Verify types before substituting.
6964 (fold_gimple_assign): Unshare properly.
6965 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
6967 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
6969 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
6970 for rs6000_gen_cell_microcode.
6972 2010-02-04 Richard Guenther <rguenther@suse.de>
6974 PR rtl-optimization/42952
6975 * dse.c (const_or_frame_p): Remove MEM handling.
6977 2010-02-04 Nick Clifton <nickc@redhat.com>
6979 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
6980 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
6981 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
6982 (mn10300_asm_output_mi_thunk): New function.
6983 (mn10300_can_output_mu_thunk): New function.
6984 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
6985 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
6986 (FUNCTION_ARG): Delete incorrect comment.
6988 2010-02-03 Jason Merrill <jason@redhat.com>
6991 * fold-const.c (operand_equal_p): Handle erroneous types.
6993 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
6995 * config/h8300/h8300.md (can_delay): Fix attibute condition.
6997 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
6999 PR rtl-optimization/42941
7000 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
7003 2010-02-03 Jason Merrill <jason@redhat.com>
7006 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
7008 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
7011 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
7012 (cselib_reset_table): Renamed from...
7013 (cselib_reset_table_with_next_value): ... this.
7014 (cselib_get_next_uid): Renamed from...
7015 (cselib_get_next_unknown_value): ... this.
7016 * cselib.c (next_uid): Renamed from...
7017 (next_unknown_value): ... this.
7018 (cselib_clear_table): Adjust.
7019 (cselib_reset_table): Adjust. Renamed from...
7020 (cselib_reset_table_with_next_value): ... this.
7021 (cselib_get_next_uid): Adjust. Renamed from...
7022 (cselib_get_next_unknown_value): ... this.
7023 (get_value_hash): Use hash.
7024 (cselib_hash_rtx): Likewise.
7025 (new_cselib_val): Adjust. Set and dump uid.
7026 (cselib_lookup_mem): Pass next_uid as hash.
7027 (cselib_subst_to_values): Likewise.
7028 (cselib_log_lookup): Dump uid.
7029 (cselib_lookup): Pass next_uid as hash. Adjust.
7030 (cselib_process_insn): Adjust.
7031 (cselib_init): Initialize next_uid.
7032 (cselib_finish): Adjust.
7033 (dump_cselib_table): Likewise.
7034 * dse.c (canon_address): Dump value uid.
7035 * print-rtl.c (print_rtx): Print value uid.
7036 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
7038 (dv_uid): New function, sort of renamed from...
7039 (dv_htab_hash): ... this, reimplemented in terms of it and...
7040 (dv_uid2hash): ... this. New.
7041 (variable_htab_eq): Drop excess assertions.
7042 (tie_break_pointers): Removed.
7043 (canon_value_cmp): Compare uids.
7044 (variable_post_merge_New_vals): Print uids.
7045 (vt_add_function_parameters): Adjust.
7046 (vt_initialize): Reset table. Adjust.
7048 2010-02-03 Richard Guenther <rguenther@suse.de>
7050 PR tree-optimization/42944
7051 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
7052 (call_may_clobber_ref_p_1): Likewise. Properly handle
7053 malloc and calloc clobbering errno.
7055 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
7057 * doc/invoke.texi: Fix name of sched1 dump.
7059 * opts.c (decode_options): Set flag_tree_switch_conversion
7060 only conditionally on optimize >= 2.
7062 * gcse.c: Assorted comment fixes in pass description.
7064 2010-02-03 Anthony Green <green@moxielogic.com>
7066 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
7067 nop padding in order to maintain alignment of storage location of
7068 target function address.
7069 (moxie_trampoline_init): Store target function address at newly
7071 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
7073 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
7075 2010-02-03 Richard Guenther <rguenther@suse.de>
7078 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
7080 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7082 * config.gcc: Reenable check for obsolete targets.
7083 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
7084 mips-sgi-irix6.[0-4]*.
7086 2010-02-02 Nick Clifton <nickc@redhat.com>
7088 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
7089 constant size of 4 as being the same as 0.
7090 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
7091 can take values in the range 0..4.
7093 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
7096 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
7097 as _darwin10_Unwind_FindEnclosingFunction().
7098 * libgcc-libsystem.ver: New.
7100 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
7103 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
7104 implicitly set registers.
7106 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
7108 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
7109 (arm_override_options): Allow automatic selection of the thread
7110 pointer register if thumb2.
7111 (legitimize_pic_address): Improve code sequences for Thumb2.
7112 (arm_call_tls_get_addr): Likewise.
7113 (legitimize_tls_address): Likewise.
7114 * arm.md (pic_load_addr_arm): Delete. Replace with ...
7115 (pic_load_addr_32bit): ... this. New named pattern.
7116 * thumb2.md (pic_load_addr_thumb2): Delete.
7117 (pic_load_dot_plus_four): Delete.
7118 (tls_load_dot_plus_four): New named pattern.
7120 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7123 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
7124 Document fix for TLS bug.
7126 2010-01-31 Richard Guenther <rguenther@suse.de>
7128 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
7129 conservatively correct.
7131 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7135 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7137 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7139 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7141 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
7143 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
7145 * config.gcc: Adjust order of makefile fragments for mingw targets.
7147 2010-01-31 Richard Guenther <rguenther@suse.de>
7150 * gimplify.c (gimplify_init_constructor): For volatile LHS
7151 initialize a temporary.
7153 2010-01-31 Matthias Klose <doko@ubuntu.com>
7155 * configure.ac: Fix __stack_chk_fail check for cross builds configured
7157 * configure: Regenerate.
7159 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
7161 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
7162 the same alias set and their sizes different constantness.
7163 (aliasing_component_refs_p): Revert 2009-10-24 change.
7165 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7167 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
7170 2010-01-29 Richard Guenther <rguenther@suse.de>
7172 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
7173 Assert we successfully updated the call.
7175 2010-01-29 Jakub Jelinek <jakub@redhat.com>
7177 PR rtl-optimization/42889
7178 * df.h (df_set_bb_dirty_nonlr): New prototype.
7179 * df-core.c (df_set_bb_dirty_nonlr): New function.
7180 * df-scan.c (df_insn_rescan): Call it instead of
7181 df_set_bb_dirty for DEBUG_INSNs.
7183 2010-01-29 Richard Guenther <rguenther@suse.de>
7186 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
7187 quadratic behavior in most cases.
7189 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
7192 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
7193 in the call to gen_x86_movsicc_0_m1.
7195 2010-01-28 Richard Guenther <rguenther@suse.de>
7197 PR tree-optimization/42871
7198 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
7200 2010-01-28 Richard Guenther <rguenther@suse.de>
7202 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
7203 into call arguments.
7205 2010-01-28 Richard Guenther <rguenther@suse.de>
7208 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
7209 the forwarder if the destination is an EH landing pad.
7211 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
7213 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
7214 block list passed to gimple_duplicate_sese_tail.
7215 (parallelize_loops): Avoid parallelization when the function
7217 Avoid parallelization when the preheader is IRREDUCIBLE.
7218 Try to optimize when estimated_loop_iterations_int is unresolved.
7219 Add the loop's location to the dump file.
7220 * tree-cfg.c (add_phi_args_after_redirect): Remove.
7221 (gimple_duplicate_sese_tail): Remove the check for the latch.
7222 Redirect nexits to the exit block.
7223 Remove handling of the incoming edges to the latch.
7224 Redirect the backedge from the copied latch to the exit bb.
7226 2010-01-28 Michael Matz <matz@suse.de>
7229 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
7230 Wrap force_reg into a sequence, emit it before user.
7232 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
7234 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
7236 (arm_legacy_rev): Likewise.
7237 (thumb_legacy_rev): Likewise.
7239 2010-01-27 Jakub Jelinek <jakub@redhat.com>
7241 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
7242 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
7243 on MEM's address failed, try avoid_constant_pool_reference and
7244 recurse if it returned something different.
7245 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
7246 address, try avoid_constant_pool_reference and recurse if it
7247 returned something different.
7248 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
7249 address and avoid_constant_pool_reference returned something
7250 different, don't set have_address.
7252 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
7255 * var-tracking.c (val_store): Add modified argument, obey it.
7257 (count_uses): Move down logging of main.
7258 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
7259 don't need resolution.
7260 (emit_notes_in_bb): Likewise.
7262 2010-01-27 Richard Guenther <rguenther@suse.de>
7265 * tree-inline.c (remap_decl): Delay remapping of SSA name
7266 default definitions until we need them.
7268 2010-01-27 Jakub Jelinek <jakub@redhat.com>
7270 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
7271 (rs6000_delegitimize_address): New function.
7273 * config/s390/s390.c (s390_delegitimize_address): Call
7274 delegitimize_mem_from_attrs.
7277 * tree-inline.c (cannot_copy_type_1): Removed.
7278 (copy_forbidden): Don't forbid copying of functions containing
7279 records/unions with variable length fields.
7281 2010-01-27 Christian Bruel <christian.bruel@st.com>
7285 * config/sh/sh.c (find_barrier): Increase length for non delayed
7286 conditional branches.
7288 2010-01-27 Matthias Klose <doko@ubuntu.com>
7290 * configure.ac (gnu-unique-object): Fix ldd version check.
7291 * configure: Regenerate.
7293 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7295 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
7297 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
7298 Test for HAVE_GNU_AS value.
7300 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7302 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
7303 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
7304 INT64_TYPE): Define.
7305 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
7306 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
7307 INT_LEAST64_TYPE): Define.
7308 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
7309 UINT_LEAST64_TYPE): Define.
7310 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
7311 INT_FAST64_TYPE): Define.
7312 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
7313 UINT_FAST64_TYPE): Define.
7314 (INTMAX_TYPE, UINTMAX_TYPE): Define.
7315 (INTPTR_TYPE, UINTPTR_TYPE): Define.
7316 (SIG_ATOMIC_TYPE): Define.
7318 2010-01-26 Richard Guenther <rguenther@suse.de>
7320 * df-scan.c (df_scan_set_bb_info): Remove assert.
7321 (df_insn_rescan_debug_internal): Merge asserts.
7322 (df_install_ref): Likewise.
7323 (df_mark_reg): Use bitmap_set_range.
7324 (df_hard_reg_used_p): Remove assert.
7325 (df_hard_reg_used_count): Likewise.
7327 2010-01-26 Richard Guenther <rguenther@suse.de>
7329 PR rtl-optimization/42685
7330 * web.c (web_main): Ignore DEBUG_INSNs.
7332 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
7334 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
7336 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
7337 Fix types of fndecl and arglist parameters.
7339 2010-01-26 Richard Guenther <rguenther@suse.de>
7342 * tree-eh.c (unsplit_eh): Skip debug insns.
7344 2010-01-26 Richard Guenther <rguenther@suse.de>
7346 PR tree-optimization/42250
7347 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
7349 2010-01-26 Jakub Jelinek <jakub@redhat.com>
7352 * omp-low.c (expand_omp_sections): Only use single_pred if
7353 l2_bb is single_pred_p.
7355 2010-01-25 Christian Bruel <christian.bruel@st.com>
7358 * config/sh/sh.c (find_barrier): Increase length for non delayed
7359 conditional branches.
7360 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
7362 2010-01-24 David S. Miller <davem@davemloft.net>
7364 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
7365 define if not using GAS.
7366 * config/sparc/sparc.c (sparc_elf_asm_named_section):
7367 Likewise. Delete SECTION_MERGE code, which is only applicable
7370 2010-01-24 Mark Mitchell <mark@codesourcery.com>
7373 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
7374 mangling of va_list in system headers.
7376 2010-01-23 Toon Moene <toon@moene.org>
7378 * tree-predcom.c (combine_chains): Return NULL, not false.
7380 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
7382 * tree-loop-distribution.c (distribute_loop): Fix declaration and
7383 initialization of variable res to agree with return type.
7385 2010-01-22 Steve Ellcey <sje@cup.hp.com>
7387 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
7388 * tree-sra.c: Add include of expr.h.
7390 2010-01-22 Jakub Jelinek <jakub@redhat.com>
7392 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
7393 insert the debug stmt on the single non-EH edge from the stmt.
7395 2010-01-22 Richard Henderson <rth@redhat.com>
7398 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
7399 the RHS until after generate_subtree_copies has insertted its
7400 code before the current statement.
7402 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
7404 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
7406 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
7408 2010-01-21 Martin Jambor <mjambor@suse.cz>
7410 PR tree-optimization/42585
7411 * tree-sra.c (struct access): New field grp_total_scalarization.
7412 (dump_access): Dump the new field.
7413 (should_scalarize_away_bitmap): New variable.
7414 (cannot_scalarize_away_bitmap): Likewise.
7415 (sra_initialize): Allocate new bitmaps.
7416 (sra_deinitialize): Free new bitmaps.
7417 (create_access_1): New function.
7418 (create_access): Parts moved to create_access_1.
7419 (type_consists_of_records_p): New function.
7420 (completely_scalarize_record): Likewise.
7421 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
7422 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
7423 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
7425 (analyze_all_variable_accesses): Completely scalarize small eligible
7428 2010-01-21 Martin Jambor <mjambor@suse.cz>
7430 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
7432 2010-01-21 Andrew Haley <aph@redhat.com>
7434 * gcc.c (process_command): Move lang_specific_driver before
7435 setting cc_libexec_prefix.
7437 2010-01-21 Richard Guenther <rguenther@suse.de>
7440 * fold-const.c (negate_expr_p): Pretend only negative
7441 real constants are easily negatable.
7443 2010-01-20 Janis Johnson <janis187@us.ibm.com>
7444 Jason Merrill <jason@redhat.com>
7446 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
7447 (TYPE_TRANSPARENT_AGGR): this, for union and record.
7448 * calls.c (initialize argument_information): Handle it.
7449 * c-common.c (handle_transparent_union_attribute): Use new name.
7450 * c-decl.c (finish_struct): Ditto.
7451 * c-typeck.c (type_lists_compatible_p): Ditto.
7452 (convert_for_assignment): Use new name and also handle record.
7453 * function.c (aggregate_value_p): Handle it.
7454 (pass_by_reference): Ditto.
7455 (assign_parm_data_types): Ditto.
7456 * print-tree.c (print_node): Ditto.
7457 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
7458 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
7459 * tree.c (first_field): New fn.
7461 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
7464 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
7465 even when linking statically, for now.
7467 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7470 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
7471 without a cselib val.
7472 (count_uses): Accept MO_VAL_SET with no val on stores.
7473 (add_stores): Likewise.
7475 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7477 * var-tracking.c (check_value_val): Add a compile time assertion.
7478 (dv_is_decl_p): Simplify.
7479 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
7480 gcc_assert if ENABLE_CHECKING.
7482 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
7485 * var-tracking.c: Include tree-flow.h.
7486 (mem_dies_at_call): New.
7487 (dataflow_set_preserve_mem_locs): Use it.
7488 (dataflow_set_remove_mem_locs): Likewise.
7489 (dump_var): Renamed from dump_variable. Adjust all callers.
7490 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
7491 * Makefile.in (var-tracking.o): Adjust deps.
7493 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
7495 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
7497 2010-01-20 Richard Guenther <rguenther@suse.de>
7499 PR tree-optimization/42717
7500 * tree-ssa-dce.c (get_live_post_dom): Remove.
7501 (forward_edge_to_pdom): Take an arbitrary edge to copy
7502 degenerate PHI args from.
7503 (remove_dead_stmt): Use the first post-dominator even if it
7504 does not contain live statements as redirection destination.
7506 2010-01-20 Richard Guenther <rguenther@suse.de>
7508 * tree-inline.c (estimate_num_insns): Handle EH builtins.
7510 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7512 * sel-sched.c (create_speculation_check): Remove set but not used
7514 (try_transformation_cache): Remove set but not used variable ds.
7515 (calculate_privileged_insns): Remove set but not used variables
7516 cur_insn and min_spec_insn.
7517 (find_best_expr): Remove set but not used variable avail_n.
7518 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
7520 * cgraphunit.c (assemble_thunk): Remove set but not used variable
7522 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
7523 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
7526 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
7529 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
7530 cpu types. Add support for *-sse3 cpu types.
7531 (x86_64-*-*): Ditto.
7533 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7536 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
7537 argument, call initializer_constant_valid_p_1 instead of
7538 initializer_constant_valid_p, pass CACHE to it, return NULL
7539 immediately if first call returns NULL.
7540 (initializer_constant_valid_p_1): New function.
7541 (initializer_constant_valid_p): Use it.
7543 2010-01-20 Thomas Quinot <quinot@adacore.com>
7545 * tree.def (PLACEHOLDER_EXPR): Fix comment.
7547 2010-01-20 Jakub Jelinek <jakub@redhat.com>
7549 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
7550 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
7551 (loc_list_from_tree): Don't handle unsigned division. Handle
7552 signed modulo using DW_OP_{over,over,div,mul,minus}.
7553 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
7554 modulo instead of signed.
7556 2010-01-20 DJ Delorie <dj@redhat.com>
7558 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
7560 (h8300_emit_stack_adjustment): Propogate it.
7562 (h8300_expand_prologue): Likewise.
7563 (h8300_expand_epilogue): Likewise.
7565 2010-01-19 Michael Matz <matz@suse.de>
7567 PR tree-optimization/41783
7568 * tree-data-ref.c (toplevel): Include flags.h.
7569 (dump_data_dependence_relation): Also dump the inputs if the
7570 result will be unknown.
7571 (split_constant_offset_1): Look through some conversions.
7572 * tree-predcom.c (determine_roots_comp): Restart a new chain if
7573 the offset from last element is too large.
7574 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
7575 (reassociate_to_the_same_stmt): Handle vector registers.
7576 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
7578 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
7579 wide_prolog_niters argument, emit widening instructions.
7580 (vect_do_peeling_for_alignment): Adjust caller, use widened
7581 variant of the iteration cound.
7582 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
7584 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
7587 * config/arm/neon-testgen.m (emit_automatics): New parameter
7588 features. Adjust for Fixed_return_reg feature.
7589 (test_intrinsic): Call emit_automatics with new feature.
7590 * config/arm/neon.ml: Update copyright years.
7591 (features): New Fixed_return_reg feature.
7592 (ops): Update feature for Vget_low.
7594 2010-01-19 Jakub Jelinek <jakub@redhat.com>
7596 PR tree-optimization/42719
7597 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
7601 * fwprop.c (all_uses_available_at): Return false if def_set dest
7602 is a REG that is used in def_insn.
7604 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
7606 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
7608 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
7611 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
7613 * target.h (struct gcc_target) <secondary_reload>: Change type
7614 of last argument to secondary_reload_info *.
7616 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
7619 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
7620 memory references with unaligned offsets. Remove CQImode handling.
7621 (unaligned_memory_operand): Return 1 for memory references with
7622 unaligned offsets. Remove CQImode handling.
7624 2010-01-18 Richard Guenther <rguenther@suse.de>
7627 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
7630 2010-01-18 Richard Guenther <rguenther@suse.de>
7632 PR tree-optimization/42781
7633 * tree-ssa-structalias.c (find_what_var_points_to): Skip
7634 restrict processing only if the original variable was artificial.
7636 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
7638 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
7639 find number of popped argument bytes.
7641 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
7642 Fix the text that describes the return value for invalid insns.
7644 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
7646 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
7647 Clarify what 'cost of the -dependence' is. Fix quoting.
7649 * toplev.c (default_get_pch_validity): Rename argument to "sz".
7650 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
7652 2010-01-17 Jakub Jelinek <jakub@redhat.com>
7654 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
7655 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
7657 2010-01-17 Richard Guenther <rguenther@suse.de>
7660 * function.c (split_complex_args): Take a VEC to modify.
7661 (assign_parms_augmented_arg_list): Build a VEC instead of
7662 a chain of PARM_DECLs.
7663 (assign_parms_unsplit_complex): Take a VEC of arguments.
7664 Do not fixup unmodified parms.
7665 (assign_parms): Deal with the VEC.
7666 (gimplify_parameters): Likewise.
7668 2010-01-17 Richard Guenther <rguenther@suse.de>
7670 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
7671 node existence check.
7672 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
7673 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
7674 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
7675 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
7676 (gimple_execute_on_growing_pred): Likewise.
7678 2010-01-17 Richard Guenther <rguenther@suse.de>
7680 PR tree-optimization/42773
7681 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
7682 (compute_antic_aux): Likewise.
7683 (compute_partial_antic_aux): Likewise.
7685 2010-01-17 Jie Zhang <jie.zhang@analog.com>
7688 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
7691 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
7693 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
7696 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
7697 Fix markup for strict argument.
7699 (TARGET_SCHED_REORDER2): Fix argument types.
7701 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
7702 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
7704 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
7705 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
7707 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
7710 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
7711 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
7712 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
7713 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
7714 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
7716 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
7718 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
7720 (TARGET_ASM_RELOC_RW_MASK): Add return type.
7721 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
7723 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
7725 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
7728 (TARGET_ASM_NAMED_SECTION): Fix argument list.
7730 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
7731 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
7733 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
7735 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
7737 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
7738 referring to it. Fix language.
7740 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
7742 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
7744 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
7746 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
7748 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
7749 '@var{stream}. Remove stray 'and'.
7751 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
7753 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
7755 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
7757 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
7758 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
7760 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
7761 Fix description of return value.
7762 Rename argument "sz" to "len."
7764 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
7765 Clarify meaning of 'true' return value.
7767 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
7769 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
7770 rep_mode versus mode_rep.
7772 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
7774 (TARGET_BUILTIN_DECL): Fix name.
7776 (TARGET_COMMUTATIVE_P): Fix type of first argument.
7778 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
7780 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
7782 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
7784 (TARGET_RELAXED_ORDERING): Use @deftypevr.
7786 (TARGET_GET_DRAP_RTX): Note that this is a hook.
7789 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
7790 Rename argument tm_fn to md_fn.
7792 (TARGET_OPTION_PRINT): Fix argument list.
7794 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
7797 * config/i386/i386.c (ix86_fixup_binary_operands):
7798 Revert FMA4 fixup of operands.
7800 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7803 * Makefile.in (write_entries_to_file, install-plugin):
7804 Use \012 instead of \n with tr.
7806 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
7808 * configure.ac (HAVE_AS_REF): New C macro.
7809 * configure: Regenerate.
7810 * config.in: Likewise.
7811 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
7813 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
7816 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
7818 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
7820 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
7822 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
7824 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
7826 (TARGET_IN_SMALL_DATA_P): Fix argument type.
7828 (TARGET_BINDS_LOCAL_P): Fix argument type.
7830 (TARGET_ASM_FILE_END): Use prototype.
7832 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
7834 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
7836 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
7838 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
7840 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
7841 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
7843 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
7844 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
7846 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
7847 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
7848 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
7849 (TARGET_ADDR_SPACE_CONVERT): Likewise.
7851 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
7853 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
7855 (TARGET_INIT_BUILTINS): Use prototype.
7857 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
7858 Put 'const char *' in braces. Fix parameter types.
7859 (TARGET_INVALID_CONVERSION): Fix parameter types.
7860 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
7861 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
7863 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
7866 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
7868 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
7870 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
7872 * doc/tm.texi (TARGET_HELP): Fix return type.
7874 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
7875 in braces. Fix argument types.
7877 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
7879 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
7881 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
7883 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
7884 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
7886 (TARGET_MANGLE_TYPE): Fix argument types.
7888 (TARGET_IRA_COVER_CLASSES): Use prototype.
7890 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
7892 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
7894 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
7896 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
7898 (TARGET_CALLEE_COPIES): Fix argument types.
7900 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
7902 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
7904 (TARGET_FUNCTION_VALUE): Fix argument types.
7906 (TARGET_RETURN_IN_MSB): Fix argument type.
7908 (TARGET_RETURN_IN_MEMORY): Fix argument types.
7910 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
7912 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
7914 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
7915 agree with return type.
7917 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
7919 2010-01-15 Jing Yu <jingyu@google.com>
7921 PR rtl-optimization/42691
7922 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
7923 a pseudo to a constant and are merged, and adjust comments.
7925 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
7927 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
7929 2010-01-15 Richard Guenther <rguenther@suse.de>
7932 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
7933 labels of computed or non-local gotos to the destination.
7934 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
7935 landing pad label is the first label.
7937 2010-01-15 Richard Guenther <rguenther@suse.de>
7939 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
7941 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
7944 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
7945 to allow generation of the xssqrtdp instruction on power7.
7946 (sqrtdf2_fpr): Ditto.
7948 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7951 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
7952 functions with noreturn attribute.
7955 * varasm.c (declare_weak): Add weak attribute to decl if it
7956 doesn't have one already.
7957 (assemble_external): Only add decls to weak_decls if they also
7958 have weak attribute.
7960 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
7962 * var-tracking.c (var_reg_delete): Don't delete the association
7963 between REGs and values or one-part variables if the register
7966 2010-01-14 Jakub Jelinek <jakub@redhat.com>
7969 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
7970 because its first operand is a non-localized variable.
7972 2010-01-14 Martin Jambor <mjambor@suse.cz>
7974 PR tree-optimization/42706
7975 * tree-sra.c (encountered_recursive_call): New variable.
7976 (encountered_unchangable_recursive_call): Likewise.
7977 (sra_initialize): Initialize both new variables.
7978 (callsite_has_enough_arguments_p): New function.
7979 (scan_function): Call decl and flags check only for IPA-SRA, check
7980 whether there is a recursive call and whether it has enough arguments.
7981 (all_callers_have_enough_arguments_p): New function.
7982 (convert_callers): Look for recursive calls only when
7983 encountered_recursive_call is set.
7984 (ipa_early_sra): Bail out either if
7985 !all_callers_have_enough_arguments_p or
7986 encountered_unchangable_recursive_call.
7988 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
7990 * sel-sched.c: Add 2010 to copyright years.
7991 * sel-sched-ir.c: Likewise.
7992 * sel-sched-ir.h: Likewise.
7994 2010-01-14 Martin Jambor <mjambor@suse.cz>
7996 PR tree-optimization/42714
7997 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
7998 constructors specially.
8000 2010-01-14 Andi Kleen <ak@linux.intel.com>
8002 * config/i386/drivers-i386.c (detect_caches_intel):
8003 Add l2sizekb parameter and fill in.
8004 (host_detect_local_cpu): Add l2sizekb, fill in.
8005 Add Atom small cache heuristic.
8007 2010-01-14 Andi Kleen <ak@linux.intel.com>
8009 * config/i386/drivers-i386.c (detect_caches_cpuid4):
8010 Add level3 parameter and fill in.
8011 (detect_caches_intel): Handle level3 cache.
8013 2010-01-14 Andi Kleen <ak@linux.intel.com>
8015 * config/i386/drivers-i386.c (host_detect_local_cpu):
8016 Fix core duo detection.
8018 2010-01-14 Andi Kleen <ak@linux.intel.com>
8020 * config/i386/drivers-i386.c (host_detect_local_cpu):
8023 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8025 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
8026 (rs6000_variable_issue_1): this. Use...
8027 (rs6000_variable_issue): here. Reimplement. Print debug info.
8029 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8031 * sel-sched-ir.c (sel_restore_other_notes): Rename to
8032 sel_restore_notes. Update all callers. Call reemit_notes
8035 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8037 PR rtl-optimization/42246
8038 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
8041 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8043 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
8044 all successors is the same as number of successors in current region.
8046 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8048 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
8049 to rename is not separable. Otherwise check that its LHS is not NULL.
8051 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8053 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
8055 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8057 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
8058 available registers when failed to discover LHS register class.
8059 Fix indentation. Update comment.
8061 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8062 Alexander Monakov <amonakov@ispras.ru>
8064 PR rtl-optimization/42389
8065 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
8067 (advance_state_on_fence): Likewise.
8068 (sel_target_adjust_priority): Print debug output only when
8069 sched_verbose >= 4, not 2.
8070 (get_expr_cost): Do not issue all unique insns on the next cycle.
8071 (fill_insns): Initialize can_issue_more from the value saved
8073 * sel-sched-ir.c (flist_add): New parameter issue_more.
8074 Init FENCE_ISSUE_MORE with it.
8075 (merge_fences): Likewise.
8076 (init_fences): Update call to flist_add.
8077 (add_to_fences, add_clean_fence_to_fences)
8078 (add_dirty_fence_to_fences): Likewise.
8079 (move_fence_to_fences): Update call to merge_fences.
8080 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
8082 * sel-sched-ir.h (struct _fence): New field issue_more.
8083 (FENCE_ISSUE_MORE): New accessor macro.
8085 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8087 PR rtl-optimization/42388
8088 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
8089 that have no predecessors nor successors. Do not call move_bb_info
8090 for empty blocks outside of current region.
8092 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8094 PR rtl-optimization/42294
8095 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
8096 * sel-sched.c (move_exprs_to_boundary): Transitively add all
8097 originators' originators.
8099 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
8101 PR rtl-optimization/39453
8102 PR rtl-optimization/42246
8103 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
8105 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
8107 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8108 Alexander Monakov <amonakov@ispras.ru>
8111 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
8112 (maybe_tidy_empty_bb): ... here. Make static. Add new
8113 argument. Update all callers.
8114 (tidy_control_flow): ... and here. Recompute topological order
8115 of basic blocks in region if necessary.
8116 (sel_redirect_edge_and_branch): Change return type. Return true
8117 if topological order might have been invalidated.
8118 (purge_empty_blocks): Export and move from...
8119 * sel-sched.c (purge_empty_blocks): ... here.
8120 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
8121 (maybe_tidy_empty_bb): Delete prototype.
8122 (purge_empty_blocks): Declare.
8124 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
8126 PR rtl-optimization/42249
8127 * sel-sched.c (try_replace_dest_reg): When chosen register
8128 and original register is the same, do not bail out early, but
8129 still check all original insns for validity of replacing destination
8130 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
8133 2010-01-14 Jakub Jelinek <jakub@redhat.com>
8136 Port from no-undefined-overflow branch:
8137 2009-03-09 Richard Guenther <rguenther@suse.de>
8139 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
8141 2010-01-14 Richard Guenther <rguenther@suse.de>
8144 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
8146 2010-01-14 Ira Rosen <irar@il.ibm.com>
8148 PR tree-optimization/42709
8149 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
8150 as scalar type in creation of constant vector operand.
8152 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8155 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
8156 (check-parallel-%): Match `testsuite' directory component only
8159 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
8161 PR translation/39521
8162 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
8165 2010-01-13 Richard Guenther <rguenther@suse.de>
8167 PR tree-optimization/42730
8168 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
8171 2010-01-13 Steve Ellcey <sje@cup.hp.com>
8174 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
8175 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
8178 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
8180 * config/bfin/libgcc-bfin.ver: Regenerate based on current
8181 libgcc-std.ver. Add entries for ___smulsi3_highpart and
8182 ___umulsi3_highpart.
8184 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
8185 rather than schedule_insns if the pass is enabled.
8187 2010-01-13 Martin Jambor <mjambor@suse.cz>
8189 PR tree-optimization/42704
8190 * tree-sra.c (sra_modify_assign): Do not delete assignments to
8193 2010-01-13 Martin Jambor <mjambor@suse.cz>
8195 PR tree-optimization/42703
8196 * tree-sra.c (analyze_access_subtree): Check that we can build a
8197 reference to the original data within the aggregate.
8199 2010-01-13 Richard Guenther <rguenther@suse.de>
8201 PR tree-optimization/42705
8202 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
8204 2010-01-13 Richard Guenther <rguenther@suse.de>
8207 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
8209 2010-01-13 Jakub Jelinek <jakub@redhat.com>
8212 * var-tracking.c (values_to_unmark): New variable.
8213 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
8214 values_to_unmark vector. Moved body to...
8215 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
8216 instead queue it into values_to_unmark vector.
8217 (vt_find_locations): Free values_to_unmark vector.
8219 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
8221 * config/s390/s390.c (override_options): Set
8222 default of max-pending-list-length to 256
8224 2010-01-13 Richard Guenther <rguenther@suse.de>
8227 * tree-pass.h (PROP_gimple_lcx): New.
8228 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
8229 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
8230 before the final cleanup_eh.
8231 (dump_properties): Dump PROP_gimple_lcx.
8232 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
8233 (tree_lower_complex_O0): Remove.
8234 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
8235 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
8236 tree_lower_complex, schedule TODO_update_ssa.
8237 * lto-streamer-out.c (output_function): Stream the functions
8239 * lto-streamer-in.c (input_function): Likewise.
8240 (lto_read_body): Do not override them here.
8242 2010-01-12 Joseph Myers <joseph@codesourcery.com>
8245 * c-typeck.c (build_c_cast): Fold value cast to union type before
8246 wrapping it in a CONSTRUCTOR.
8248 2010-01-12 Jakub Jelinek <jakub@redhat.com>
8250 PR rtl-optimization/42699
8251 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
8254 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8256 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
8257 SUBTARGET_WARN_UNUSED_SPEC): Move ...
8258 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
8259 SUBTARGET_WARN_UNUSED_SPEC): ... here
8260 * config/mips/iris5.h (LIBGCC_SPEC): Define.
8262 2010-01-12 Julian Brown <julian@codesourcery.com>
8264 * config/arm/neon-schedgen.ml (Utils): Don't try to
8265 open missing module.
8266 (find_with_result): New.
8268 2010-01-12 Jakub Jelinek <jakub@redhat.com>
8271 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
8272 sharing when canonicalizing ({lt,ge}u (plus a b) b).
8274 PR tree-optimization/42645
8275 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
8276 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
8277 decl_map, set processing_debug_stmt to -1 and return name without
8280 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
8282 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
8283 binutils version, and reword target configuration description.
8285 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
8287 * config/avr/avr.h (LINKER_NAME): Remove.
8289 2010-01-11 Janis Johnson <janis187@us.ibm.com>
8292 * config/rs6000/rs6000.c (rs6000_override_options): On targets
8293 that support VSX, warn for -mno-altivec if vsx is not disabled,
8296 2010-01-11 Joseph Myers <joseph@codesourcery.com>
8297 Shujing Zhao <pearly.zhao@oracle.com>
8299 PR translation/42469
8300 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
8301 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
8302 character between option name and help text.
8303 * c.opt (imultilib): Likewise.
8305 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
8307 * lto-streamer-out.c (output_unreferenced_globals): Output static
8310 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
8312 PR rtl-optimization/42621
8313 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
8314 optimizing for size.
8315 (duplicate_computed_gotos): Remove now-redundant check.
8317 2010-01-10 Steve Ellcey <sje@cup.hp.com>
8320 * configure.ac: Save and restore LDFLAGS and LIBS
8321 * configure: Regenerate.
8323 2010-01-10 Richard Guenther <rguenther@suse.de>
8326 * builtins.c (fold_builtin_strlen): Add type argument and
8327 convert the resulting length to it.
8328 (fold_builtin_1): Adjust.
8330 2010-01-09 Jakub Jelinek <jakub@redhat.com>
8332 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
8333 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
8335 (num_insns_constant_wide): Adjust for that change.
8337 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8340 * web.c (union_defs): Add used argument, to combine uses of
8342 (entry_register): Adjust type and tests of used argument.
8343 (web_main): Widen used for new use. Pass it to union_defs.
8344 * df.h (union_defs): Adjust prototype.
8346 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8349 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
8350 uses in new incoming argument. Free body.
8351 (reset_debug_uses_in_loop): New.
8352 (analyze_insn_to_expand_var): Call the latter if the former found
8353 anything. Fix whitespace. Reject invalid dest overlaps before
8354 going through all insns in the loop.
8356 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8359 * haifa-sched.c (dying_use_p): Debug insns don't count.
8361 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8364 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
8365 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
8366 (verify_gimple_call): Reject LHS in noreturn calls.
8368 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8372 * tree-vect-loop-manip.c (adjust_info): New type.
8373 (adjust_vec): New pointer to vector.
8374 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
8375 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
8376 (slpeel_update_phis_for_duplicate_loop): Use them.
8377 (slpeel_update_phi_nodes_for_guard1): Likewise.
8378 (slpeel_update_phi_nodes_for_guard2): Likewise.
8379 (slpeel_tree_peel_loop_to_edge): Likewise.
8380 (vect_update_ivs_after_vectorizer): Likewise.
8382 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8384 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
8385 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
8387 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
8389 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
8390 bogus uninitialized warning.
8392 2010-01-09 Richard Guenther <rguenther@suse.de>
8395 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
8396 the evolution is compatible with the initial condition.
8398 2010-01-09 Jakub Jelinek <jakub@redhat.com>
8400 * gcc.c (process_command): Update copyright notice dates.
8401 * gcov.c (print_version): Likewise.
8402 * gcov-dump.c (print_version): Likewise.
8403 * mips-tfile.c (main): Likewise.
8404 * mips-tdump.c (main): Likewise.
8406 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
8409 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
8411 (rotlhi3_8): Delete.
8413 (rotlsi3_8): Delete.
8414 (rotlsi3_16): Delete.
8415 (rotlsi3_24): Delete.
8417 (*rotw<mode>3): New.
8418 (*rotb<mode>3): New.
8419 * config/avr/avr.c (avr_rotate_bytes): New function.
8420 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
8422 2010-01-08 Steve Ellcey <sje@cup.hp.com>
8425 * configure.ac: Modify -rdynamic check.
8426 * configure: Regenerate.
8428 2010-01-08 DJ Delorie <dj@redhat.com>
8430 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
8431 register popping order.
8433 2010-01-08 Richard Guenther <rguenther@suse.de>
8436 * c.opt (fsigned-char): Also let LTO handle this option.
8437 (funsigned-char): Likewise.
8439 2010-01-07 Richard Guenther <rguenther@suse.de>
8441 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
8442 (gimple_op): Likewise.
8443 (gimple_op_ptr): Likewise.
8444 (gimple_assign_set_lhs): Remove gcc_assert.
8445 (gimple_assign_set_rhs1): Likewise.
8446 (gimple_assign_set_rhs2): Likewise.
8447 (gimple_call_set_lhs): Likewise.
8448 (gimple_call_set_fn): Likewise.
8449 (gimple_call_set_fndecl): Likewise.
8450 (gimple_call_fndecl): Likewise.
8451 (gimple_call_return_type): Likewise.
8452 (gimple_call_set_chain): Likewise.
8453 (gimple_call_num_args): Likewise.
8454 (gimple_call_set_arg): Likewise.
8455 (gimple_cond_set_code): Likewise.
8456 (gimple_cond_set_lhs): Likewise.
8457 (gimple_cond_set_rhs): Likewise.
8458 (gimple_cond_set_true_label): Likewise.
8459 (gimple_cond_set_false_label): Likewise.
8460 (gimple_label_set_label): Likewise.
8461 (gimple_goto_set_dest): Likewise.
8462 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
8463 (gimple_debug_bind_get_value): Likewise.
8464 (gimple_debug_bind_get_value_ptr): Likewise.
8465 (gimple_debug_bind_set_var): Likewise.
8466 (gimple_debug_bind_set_value): Likewise.
8467 (gimple_debug_bind_reset_value): Likewise.
8468 (gimple_debug_bind_has_value_p): Likewise.
8469 (gimple_return_retval_ptr): Remove gcc_assert.
8470 (gimple_return_retval): Likewise.
8471 (gimple_return_set_retval): Likewise.
8472 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
8473 (safe_referenced_var_iterator): Remove.
8474 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
8475 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
8476 (fill_referenced_var_vec): Remove.
8477 (first_readonly_imm_use): Remove redundant gcc_assert.
8478 (phi_arg_index_from_use): Combine gcc_asserts.
8479 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
8480 (first_imm_use_stmt): Remove redundant gcc_assert.
8481 * tree-cfg.c (verify_gimple_call): Verify function and chain
8482 operands. Verify arguments.
8483 (verify_types_in_gimple_stmt): Verify condition code and labels.
8485 2010-01-07 Richard Guenther <rguenther@suse.de>
8487 PR tree-optimization/42641
8488 * sese.c (rename_map_elt_info): Use the SSA name version, do
8491 2010-01-07 Jakub Jelinek <jakub@redhat.com>
8493 PR tree-optimization/42625
8494 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
8495 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
8497 2010-01-07 Duncan Sands <baldrick@free.fr>
8499 * Makefile.in (PLUGIN_HEADERS): Add version.h.
8501 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
8504 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
8505 note itself is not function_invariant_p.
8507 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
8509 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
8510 Do not add the DF_NOTE problem.
8511 * store-motion.c (execute_rtl_store_motion): Likewise.
8513 2010-01-07 Martin Jambor <mjambor@suse.cz>
8515 PR tree-optimization/42157
8516 * tree-sra.c (compare_access_positions): Stabilize sort if both
8517 accesses have integer types, return zero immediately if they are the
8520 2010-01-06 Richard Henderson <rth@redhat.com>
8523 * haifa-sched.c (add_to_note_list): Merge into ...
8524 (concat_note_lists): ... here, and ...
8525 (unlink_other_notes, rm_other_notes): Merge into...
8526 (remove_notes): ... here. Create REG_SAVE_NOTEs for
8527 NOTE_INSN_EPILOGUE_BEG.
8529 2010-01-06 Richard Guenther <rguenther@suse.de>
8531 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
8532 not inline regular functions into always-inline functions.
8534 2010-01-06 Nick Clifton <nickc@redhat.com>
8536 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
8537 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
8539 (OVERRIDE_OPTIONS): Delete.
8540 (OPTIMIZATION_OPTIONS): Define.
8541 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
8542 * config/rx/rx.c (rx_handle_option): Issue an error message if
8543 -mcpu=rx200 and -fpu are used together.
8544 (rx_set_optimization_options): New function. Issue an error
8545 message if an optimization attribute attempts to reset the FPU/
8546 math optimization pairing.
8547 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
8548 * config/rx/rx.opt: Set the default to 32-bit doubles.
8549 * config/rx/t-rx: Add multilibs for -nofpu option.
8550 * doc/invoke.texi: Update documentation of RX options.
8552 2010-01-06 Richard Guenther <rguenther@suse.de>
8554 * tree-ssa-pre.c (name_to_id): New global.
8555 (alloc_expression_id): Simplify SSA name handling.
8556 (lookup_expression_id): Likewise.
8557 (init_pre): Zero name_to_id.
8558 (fini_pre): Free it.
8560 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
8562 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
8564 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
8567 * config/i386/sse.md (smaxv2di3): New.
8568 (umaxv2di3): Likewise.
8569 (sminv2di3): Likewise.
8570 (uminv2di3): Likewise.
8572 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
8575 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
8576 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
8577 (legitimize_tls_address): Likewise.
8578 (sparc_tls_referenced_p): Likewise.
8579 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
8580 and adjust calls to legitimize_pic_address.
8581 (legitimate_constant_p) Use sparc_tls_referenced_p.
8582 (legitimate_pic_operand_p): Likewise.
8583 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
8584 (sparc_tls_symbol_ref_1): Delete.
8585 (sparc_tls_referenced_p): Make static, recognize specific patterns.
8586 (legitimize_tls_address): Make static, handle CONST patterns.
8587 (legitimize_pic_address): Make static, remove unused parameter and
8588 adjust recursive calls.
8589 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
8590 and adjust call to legitimize_pic_address.
8591 (sparc_output_mi_thunk): Likewise.
8593 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
8594 H.J. Lu <hongjiu.lu@intel.com>
8597 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
8598 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
8599 operands to make them signed.
8602 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8605 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8606 GTU to GT for V4SI and V2DI.
8608 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8609 (umin<mode>3): Removed.
8611 (uminv4si3): Likewise.
8613 2010-01-05 Martin Jambor <mjambor@suse.cz>
8615 PR tree-optimization/42462
8616 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
8617 current_function_decl to helper functions and macros.
8619 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
8622 * flags.h: Don't include real.h.
8623 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
8624 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
8625 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
8626 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
8627 * dominance.c: Update copyright.
8628 * gimple.c (walk_gimple_op): Remove inline.
8629 * tree-ssa-reassoc.c: Include real.h.
8630 * Makefile.in (FLAGS_H): Remove $(REAL_H).
8631 (tree-ssa-reassoc.o): Depend on $(REAL_H).
8633 2010-01-05 Nick Clifton <nickc@redhat.com>
8635 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
8636 register to push into the stack frame when the accumulator has to
8637 be saved during interrupts.
8639 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
8641 * doc/invoke.texi: Remove the documentation about option
8643 * common.opt (Wunreachable-code): Preserved for backward
8645 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
8646 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
8647 the backward compatibility flag section.
8649 2010-01-05 Richard Guenther <rguenther@suse.de>
8651 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
8653 2010-01-05 Jakub Jelinek <jakub@redhat.com>
8656 * cfgexpand.c (expand_one_var): Diagnose too large variables.
8658 PR tree-optimization/42508
8659 * tree-sra.c (convert_callers): Check for recursive call
8660 by comparing cgraph nodes instead of decls.
8661 (modify_function): Call ipa_modify_formal_parameters also
8662 on all same_body aliases.
8664 * cgraphunit.c (cgraph_materialize_all_clones): Compare
8665 cgraph nodes when checking for same_body aliases.
8667 2010-01-05 Richard Guenther <rguenther@suse.de>
8669 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
8670 allocation and lookup.
8671 (get_or_alloc_expr_for_constant): Likewise.
8672 (phi_translate): Sink allocation.
8674 2010-01-04 Richard Guenther <rguenther@suse.de>
8676 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
8677 a new entry only if needed.
8678 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
8679 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
8681 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
8683 (phi_translate): Handle CONSTANTs early.
8685 2010-01-04 Martin Jambor <mjambor@suse.cz>
8687 PR tree-optimization/42398
8688 * tree-sra.c (struct access): Removed flag grp_different_types.
8689 (dump_access): Do not dump the removed flag.
8690 (sort_and_splice_var_accesses): Do not set the removed flag.
8691 (sra_modify_expr): Check for type compatibility directly.
8693 2010-01-04 Martin Jambor <mjambor@suse.cz>
8695 PR tree-optimization/42366
8696 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
8697 edges with variable number of parameters.
8698 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
8699 flag instead of asserting it.
8700 (ipa_read_node_info): Read uses_analysis_done flag.
8702 2010-01-04 Richard Guenther <rguenther@suse.de>
8704 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
8705 iterative_hash_* as intended.
8706 (vn_reference_compute_hash): Likewise. Simplify hashing
8708 (vn_reference_lookup_2): Likewise.
8709 (vn_nary_op_compute_hash): Likewise.
8710 (vn_phi_compute_hash): Likewise.
8711 (expressions_equal_p): Remove strange code.
8712 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
8713 (pre_expr_hash): Likewise. Simplify hashing SSA names.
8714 (bitmap_insert_into_set_1): Take value-id as parameter.
8715 (add_to_value): Pass it.
8716 (bitmap_insert_into_set): Likewise.
8717 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
8719 2010-01-04 Jakub Jelinek <jakub@redhat.com>
8722 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
8723 (do_self_spec): For switches with SWITCH_IGNORE set set also
8724 SWITCH_IGNORE_PERMANENTLY.
8725 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
8728 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
8730 * lto-streamer-out.c (output_unreferenced_globals): Output the full
8731 tree of an unreferenced global var.
8733 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8736 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
8737 GTU to GT for V4SI and V2DI.
8739 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
8740 (umin<mode>3): Removed.
8742 (uminv4si3): Likewise.
8744 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
8747 * collect2.c (main): Turn on trace in collect2 if -v is passed
8750 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
8752 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
8753 description of expression operand.
8755 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
8757 * configure.ac: Add install-html to target_list for Make-hooks.
8758 * configure: Regenerate.
8759 * fortran/Make-lang.in (F95_HTMLFILES): New.
8760 (fortran.html): Use it.
8761 (fortran.install-html): New.
8762 * Makefile.in (install-html): Add lang.install-html.
8763 * java/Make-lang.in (JAVA_HTMLFILES): New.
8764 (java.html): Use it.
8765 (java.install-html): New.
8766 * objc/Make-lang.in (objc.install-html): New.
8767 * objcp/Make-lang.in (obj-c++.install-html): New.
8768 * cp/Make-lang.in (c++.install-html): New.
8769 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
8770 * lto/Make-lang.in (lto.install-html): New.
8772 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8775 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
8777 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
8779 PR rtl-optimization/41862
8780 * store-motion.c (store_killed_in_insn, compute_store_table,
8781 remove_reachable_equiv_notes, replace_store_insn,
8782 build_store_vectors): Ignore all DEBUG_INSNs.
8784 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
8787 * common.opt: Add dumpdir.
8789 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
8791 (option_map): Add --dumpdir.
8793 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
8795 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
8797 * opts.c (decode_options): Try dump_dir_name first if
8798 dump_base_name isn't an absolute path.
8799 (common_handle_option): Handle OPT_dumpdir.
8801 * toplev.c (dump_dir_name): New.
8802 (print_switch_values): Also ignore -dumpdir.
8804 * toplev.h (dump_dir_name): New.
8806 2010-01-03 Richard Guenther <rguenther@suse.de>
8808 PR tree-optimization/42589
8809 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
8810 double-word expansion of bswap32.
8812 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
8814 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
8815 with BLOCK_FOR_INSN.
8816 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
8817 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
8818 noce_process_if_block): Likewise.
8819 * gcse.c (compute_local_properties, insert_expr_in_table,
8820 insert_set_in_table, canon_list_insert, find_avail_set,
8821 pre_insert_copy_insn): Likewise.
8823 * basic-block.h (BLOCK_NUM): Move from here...
8824 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
8826 2010-01-03 Richard Guenther <rguenther@suse.de>
8828 PR tree-optimization/42438
8829 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
8830 contains_may_not_return_call flag.
8831 (BB_MAY_NOTRETURN): New.
8832 (valid_in_sets): Trapping nary operations are not valid
8833 in blocks that may not return.
8834 (insert_into_preds_of_block): Remove check for trapping expressions.
8835 (compute_avail): Compute also BB_MAY_NOTRETURN.
8837 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
8839 * doc/invoke.texi: Add 2010 to copyright years.
8841 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
8843 * config/sparc/sparc.c: Fix formatting nits.
8845 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
8846 Alexander Monakov <amonakov@ispras.ru>
8848 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
8850 2010-01-02 Richard Guenther <rguenther@suse.de>
8853 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
8854 (simplify_switch_using_ranges): Mark to be removed edges
8857 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8859 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
8861 * collect2.c (scan_libraries): Add missing argument in call to
8864 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
8867 * config/alpha/predicates.md (aligned_memory_operand): Return false
8869 (unaligned_memory_operand): Return true for CQImode.
8870 * config/alpha/alpha.c (get_aligned_mem): Assert that location
8871 doesn not cross aligned SImode word boundary.
8873 2010-01-02 Anatoly Sokolov <aesok@post.ru>
8875 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
8877 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
8878 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
8880 2010-01-02 Richard Guenther <rguenther@suse.de>
8883 * toplev.c (compile_file): Emit LTO marker properly. Change
8885 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
8887 2010-01-01 Richard Guenther <rguenther@suse.de>
8890 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
8892 2010-01-01 Richard Guenther <rguenther@suse.de>
8895 * c-decl.c (grokdeclarator): For zero-size arrays force
8896 structural equality checks as layout_type does.
8898 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8900 * builtins.c: Update copyright to 2010.
8902 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
8905 * lto-streamer-out.c (produce_asm): Revert the last change.
8906 (copy_function): Likewise.
8908 * lto-streamer.c (lto_get_section_name): Skip any leading
8911 2010-01-01 Richard Guenther <rguenther@suse.de>
8914 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
8918 Copyright (C) 2010 Free Software Foundation, Inc.
8920 Copying and distribution of this file, with or without modification,
8921 are permitted in any medium without royalty provided the copyright
8922 notice and this notice are preserved.