1 2010-05-09 Richard Guenther <rguenther@suse.de>
3 * gcc.c (store_arg): Handle temporary file deletion for
6 2010-05-09 Richard Guenther <rguenther@suse.de>
9 * ipa-inline.c (estimate_function_body_sizes): Return after
10 disregarding inline limits.
12 2010-05-09 Richard Guenther <rguenther@suse.de>
14 * gcc.c (store_arg): Revert last change.
16 2010-05-08 Sandra Loosemore <sandra@codesourcery.com>
19 * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
20 (optimize_ops_list): Call it.
22 2010-05-08 Richard Guenther <rguenther@suse.de>
24 PR tree-optimization/44030
25 * tree-ssa-pre.c (eliminate): Copy NECESSARY flag. Set
26 NECESSARY flag if we propagate from a inserted expression.
28 2010-05-08 Eric Botcazou <ebotcazou@adacore.com>
30 * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
31 domain types as equal if they are both PLACEHOLDER_EXPRs.
33 2010-05-08 Richard Guenther <rguenther@suse.de>
35 * lto-wrapper.c (run_gcc): Remove linker output from
36 command line for LTRANS invocation.
38 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
40 * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
41 lto-macho as lto_binary_reader.
42 * target.h (struct gcc_target): New hooks lto_start and lto_end.
43 * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
44 * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
45 in lto_start and lto_end calls.
46 (is_elf_or_coff): Rename to maybe_lto_object_file. Add Mach-O
48 (scan_prog_file): Update is_elf_or_coff call.
49 * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
51 * collect2.c (main): Fix enum comparison.
53 * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
55 * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
56 * darwin.h (LINK_COMMAND_SPEC): Likewise. Define TARGET_ASM_LTO_START
57 and TARGET_ASM_LTO_END.
58 * darwin.c: Include obstack.h and lto-streamer.h.
59 (lto_section_names_offset, lto_section_names_obstack,
60 lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
62 (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
63 (darwin_asm_lto_start): New function. Redirect output to asm_out_file
65 (darwin_asm_lto_end): New function. Restore asm_out_file.
66 (darwin_asm_named_section): For LTO sections, replace the name with
67 the offset of the section name in a string table, and build this
69 (darwin_file_start): Initialize global vars for LTO support.
70 (darwin_file_end): If output to asm_out_file was redirected, append it
71 to the proper asm_out_file here. Add the section names section.
73 2010-05-07 Steven Bosscher <steven@gcc.gnu.org>
75 * c-pragma.c (pending_weak_d, pending_weak): New.
76 (pending_weaks): Change the type to VEC((pending_weak,gc) *.
77 (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
78 handle_pragma_weak): Update the uses of pending_weaks.
80 2010-05-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
82 PR documentation/44016
83 * doc/standards.texi (Standards): Link to unversioned
84 cxx0x_status.html page.
86 2010-05-07 Iain Sandoe <iains@gcc.gnu.org>
89 * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
90 in addition to TREE_USED, to avoid "set but unused" warnings.
92 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
94 * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
95 (is_loop_prefetching_profitable): Do not insert prefetches
96 when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
97 times the prefetch ahead distance.
99 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
101 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
102 Account for loop unrolling in the insn-to-prefetch ratio heuristic.
103 (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
106 2010-05-07 Changpeng Fang <changpeng.fang@amd.com>
108 * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
109 a diagnostic info when the insn-to-mem ratio is too small.
111 2010-05-07 Richard Guenther <rguenther@suse.de>
113 * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
115 (store_arg): Queue temp_filename for deletion instead of
118 2010-05-07 Richard Guenther <rguenther@suse.de>
120 * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
121 (run_gcc): Handle LTRANS phase invocation.
122 * collect2.c (maybe_run_lto_and_relink): Do not set
125 2010-05-07 Jakub Jelinek <jakub@redhat.com>
127 * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
128 this is also meaningful on PARM_DECLs and RESULT_DECLs.
130 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
132 * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
134 2010-05-07 Richard Guenther <rguenther@suse.de>
136 PR tree-optimization/44020
137 * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
138 code when PRE is not yet initialized.
140 2010-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
142 * config/mips/dbxmdebug.h: Remove.
143 * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
145 2010-05-07 Shujing Zhao <pearly.zhao@oracle.com>
147 * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
148 with null pointer and also warn about ordered comparison of zero with
151 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
153 * graphite-blocking.c
154 (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
155 * graphite-clast-to-gimple.c
156 (clast_to_gcc_expression): Same.
157 (precision_for_value): Same.
158 (precision_for_interval): Same.
159 (gcc_type_for_interval): Same.
160 (graphite_create_new_guard): Same.
161 (compute_bounds_for_level): Same.
162 (graphite_create_new_loop_guard): Same.
163 * graphite-interchange.c
164 (build_linearized_memory_access): Same.
165 (pdr_stride_in_loop): Same.
166 (memory_strides_in_loop_1): Same.
167 (memory_strides_in_loop): Same.
168 (extend_scattering): Same.
169 (psct_scattering_dim_for_loop_depth): Same.
170 (pbb_number_of_iterations): Same.
172 (debug_iteration_domains): Same.
174 (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
175 (ppl_set_inhomogeneous_gmp): Same.
176 (ppl_strip_loop): Same.
177 (ppl_lexico_compare_linear_expressions): Same.
178 (ppl_read_polyhedron_matrix): Same.
179 (ppl_max_for_le_pointset): Same.
181 (ppl_read_polyhedron_matrix): Same.
182 (tree_int_to_gmp): Same.
183 (gmp_cst_to_tree): Same.
184 (ppl_set_inhomogeneous): Same.
185 (ppl_set_inhomogeneous_tree): Same.
186 (ppl_set_coef): Same.
187 (ppl_set_coef_tree): Same.
188 * graphite-sese-to-poly.c
189 (build_pbb_scattering_polyhedrons): Same.
190 (build_scop_scattering): Same.
191 (scan_tree_for_params_right_scev): Same.
192 (scan_tree_for_params): Same.
193 (find_params_in_bb): Same.
194 (find_scop_parameters): Same.
195 (add_upper_bounds_from_estimated_nit): Same.
196 (build_loop_iteration_domains): Same.
197 (add_condition_to_domain): Same.
198 (pdr_add_memory_accesses): Same.
200 2010-05-05 Andreas Simbuerger <simbuerg@fim.uni-passau.de>
202 * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
203 CLooG's value_* macros to their respective mpz_* counterparts.
204 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
205 (graphite_create_new_loop_guard): Same.
206 * graphite-interchange.c (build_linearized_memory_access): Same.
207 (pdr_stride_in_loop): Same.
208 (memory_strides_in_loop_1): Same.
209 (1st_interchange_profitable_p): Same.
210 * graphite-poly.c (extend_scattering): Same.
211 (psct_scattering_dim_for_loop_depth): Same.
212 (pbb_number_of_iterations): Same.
213 (pbb_number_of_iterations_at_time): Same.
214 * graphite-poly.h (new_1st_loop): Same.
215 * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
216 (oppose_constraint): Same.
217 (insert_constraint_into_matrix): Same.
218 (ppl_set_inhomogeneous_gmp): Same.
219 (ppl_set_coef_gmp): Same.
220 (ppl_strip_loop): Same.
221 (ppl_lexico_compare_linear_expressions): Same.
222 (ppl_max_for_le_pointset): Same.
223 (ppl_min_for_le_pointset): Same.
224 (ppl_build_realtion): Same.
225 * graphite-ppl.h (gmp_cst_to_tree): Same.
226 (ppl_set_inhomogeneous): Same.
227 (ppl_set_inhomogeneous_tree): Same.
228 (ppl_set_coef): Same.
229 (ppl_set_coef_tree): Same.
230 * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
231 (build_scop_scattering): Same.
232 (add_value_to_dim): Same.
233 (scan_tree_for_params_right_scev): Same.
234 (scan_tree_for_params_int): Same.
235 (scan_tree_for_params): Same.
236 (find_params_in_bb): Same.
237 (find_scop_parameters): Same.
238 (add_upper_bounds_from_estimated_nit): Same.
239 (build_loop_iteration_domains): Same.
240 (create_linear_expr_from_tree): Same.
241 (add_condition_to_domain): Same.
242 (pdr_add_memory_accesses): Same.
244 2010-05-06 Magnus Fromreide <magfr@lysator.liu.se>
245 Jason Merrill <jason@redhat.com>
247 * c-common.c (c_common_reswords): Add nullptr.
248 * c-common.h: Add RID_NULLPTR. Reorganize C++0x rids.
249 * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
250 (gen_type_die_with_usage): Likewise.
251 * dbxout.c (dbxout_type): Likewise.
252 * sdbout.c (plain_type_1): Likewise.
254 2010-05-06 Jason Merrill <jason@redhat.com>
256 * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
257 Don't change GS_OK to GS_ALL_DONE. Make sure that all cases set
259 (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
261 * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
262 stripping WITH_SIZE_EXPR.
263 (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
266 2010-05-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
268 * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
269 list of obsolete configurations.
270 Disabled check for obsolete configurations.
271 (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
272 Removed support for previous versions.
273 * config/mips/iris.h: Removed.
274 * config/mips/iris5.h: Removed.
275 * config/mips/iris6.h: Merged old iris.h contents.
276 (TARGET_IRIX): Removed.
277 (DRIVER_SELF_SPECS): Removed mabi=32.
278 (IDENT_ASM_OP): Removed undef.
279 (STARTFILE_SPEC): Removed mabi=32.
280 (ENDFILE_SPEC): Likewise.
281 (IRIX_SUBTARGET_LINK_SPEC): Likewise.
282 (MACHINE_TYPE): Update for IRIX 6.5.
283 * config/mips/mips.c (mips_build_builtin_va_list): Replaced
284 TARGET_IRIX by TARGET_IRIX6.
285 (mips_file_start): Likewise.
286 (mips_output_external): Remove IRIX 5/6 O32 support.
287 (mips_output_function_prologue): Likewise.
288 * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
290 (TARGET_CPU_CPP_BUILTINS): Likewise.
291 (TARGET_IRIX): Removed.
292 * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
293 (MULTILIB_DIRNAMES): Removed 32.
294 (MULTILIB_OSDIRNAMES): Removed ../lib.
295 * doc/install.texi (Prerequisites): Don't reference IRIX before
297 (Specific, mips-sgi-irix5): Document removal.
298 (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI
300 Remove references to older IRIX 6 releases and the O32 ABI.
302 2010-05-06 Jakub Jelinek <jakub@redhat.com>
304 * gcc.dg/Wunused-var-8.c: Move to...
305 * c-c++-common/Wunused-var-6.c: ... here. New test.
308 * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
309 instead of DF_REF_REAL_REG.
311 2010-05-06 Dave Korn <dave.korn.cygwin@gmail.com>
314 * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
315 handling to still return true for x64 targets.
317 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
319 * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
321 2010-05-06 Jan Hubicka <jh@suse.cz>
323 PR tree-optimization/43791
324 * ipa-inline.c (update_caller_keys): Remove bogus
325 disregard_inline_limits check.
327 2010-05-06 Michael Matz <matz@suse.de>
329 PR tree-optimization/43984
330 * tree-ssa-pre.c (inserted_phi_names): Remove.
331 (inserted_exprs): Change to bitmap.
332 (create_expression_by_pieces): Set bits, don't append to vector.
333 (insert_into_preds_of_block): Don't handle inserted_phi_names.
334 (eliminate): Don't look at inserted_phi_names, remove deleted
335 insns from inserted_exprs.
336 (remove_dead_inserted_code): Adjust to use bitmaps instead of
338 (init_pre, fini_pre): Allocate and free bitmaps.
339 (execute_pre): Insert insns on edges before elimination.
341 2010-05-06 Maxim Kuvyrkov <maxim@codesourcery.com>
343 * tree.c (initializer_zerop): Handle STRING_CST.
345 2010-05-06 Manuel López-Ibáñez <manu@gcc.gnu.org>
348 * doc/invoke.texi (Wimplicit): Document as C only.
349 * opts.c (common_handle_option): Add argument kind.
350 (handle_option): Rename as read_cmdline_option. Factor out code to...
351 (handle_option): ... here. New.
352 (handle_options): Rename as read_cmdline_options.
353 (decode_options): Update call.
354 (set_option): Use option index instead of option pointer. Classify
355 diagnostics correctly.
356 (enable_warning_as_error): Call handle_option.
357 * opts.h (set_option): Update declaration.
358 (handle_option): Declare.
359 * langhooks.h (struct lang_hooks): Add argument kind to
361 * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
362 * c-opts.c (set_Wimplicit): Delete.
363 (c_family_lang_mask): New static constant.
364 (c_common_handle_option): Add argument kind. Use handle_option
365 instead of set_Wimplicit.
366 (c_common_post_options): warn_implicit and warn_implicit_int
367 are disabled by default.
368 * c-common.c (warn_implicit): Do not define here.
369 * c-common.h (warn_implicit): Do not declare here.
370 (c_common_handle_option): Update declaration.
371 * lto-opts.c (lto_reissue_options): Update call to set_option.
373 2010-05-06 Richard Guenther <rguenther@suse.de>
375 PR tree-optimization/43571
376 * domwalk.c (walk_dominator_tree): Walk the dominator
377 sons in more optimal order.
379 2010-05-06 Richard Guenther <rguenther@suse.de>
381 PR tree-optimization/43934
382 * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
383 (stmt_cost): Likewise.
384 (extract_true_false_args_from_phi): New helper.
385 (determine_max_movement): For PHI nodes verify we can hoist them
386 and compute their cost.
387 (determine_invariantness_stmt): Handle PHI nodes.
388 (move_computations_stmt): Likewise. Hoist PHI nodes in
389 if-converted form using COND_EXPRs.
390 (move_computations): Return TODO_cleanup_cfg if we hoisted PHI
392 (tree_ssa_lim): Likewise.
393 * tree-flow.h (tree_ssa_lim): Adjust prototype.
394 * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
396 2010-05-06 Richard Guenther <rguenther@suse.de>
398 PR tree-optimization/43987
399 * tree-ssa-structalias.c (could_have_pointers): For possibly
400 address-taken variables force pointers to be recorded.
401 (create_variable_info_for_1): Likewise.
402 (push_fields_onto_fieldstack): Pass in wheter all fields
404 (find_func_aliases): Query types instead of vars whether
405 they contain pointers where appropriate.
407 2010-05-06 Jan Hubicka <jh@suse.cz>
409 * cgraphbuild.c (record_reference_ctx): Add varpool_node.
410 (record_reference, mark_address, mark_load, mark_store): Record
412 (record_references_in_initializer): Update call of record_references.
413 (rebuild_cgraph_edges): Remove all references before rebuiding.
414 * cgraph.c (cgraph_create_node): Clear ref list.
415 (cgraph_remove_node): Remove references.
416 (dump_cgraph_node): Dump references.
417 (cgraph_clone_node): Clone references.
418 * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
419 (struct cgraph_node, varpool_node): Add ref_lst.
420 * ipa-ref.c: New file.
421 * ipa-ref.h: New file.
422 * ipa-ref-inline.h: New file.
423 * lto-cgraph.c (output_varpool): Take cgrag node set argument.
424 (referenced_from_other_partition_p): New function.
425 (lto_output_varpool_node): Take set arugment; call
426 referenced_from_other_partition.
427 (lto_output_ref): New.
428 (add_references): New.
430 (output_cgraph): Compute boundary based on references;
432 (output_varpool): Accept cgraph_node_set argument.
435 (input_cgraph): Call input_refs.
436 * lto-section-in.c (lto_section_name): Add refs.
437 * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
438 (ipa-ref.o): New file.
439 * varpool.c (varpool_node): Clear ipa ref list.
440 (varpool_remove_node): Remove references.
441 (dump_varpool_node): Dump references.
442 (varpool_assemble_decl): Only compile finalized ones.
443 (varpool_extra_name_alias): Initialize ref list.
444 * lto-streamer.c (lto-get_section_name): Add .refs section.
445 * lto-streamer.h (lto_section_type): Add LTO_section_refs.
446 (referenced_from_other_partition_p): Declared.
448 2010-05-06 Ira Rosen <irar@il.ibm.com>
450 PR tree-optimization/43901
451 * tree-vect-stmts.c (vectorizable_call): Assert that vector
452 type is not NULL if it's transformation phase, and return
453 FALSE if it's analysis.
454 (vectorizable_conversion, vectorizable_operation,
455 vectorizable_type_demotion, vectorizable_type_promotion):
458 2010-05-05 Andrew Pinski <andrew.pinski@caviumnetworks.com>
460 * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
462 * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
464 * config/mips/mips-protos.h
465 (mips_small_register_classes_for_mode_p): Delete prototype.
467 2010-05-06 Bernd Schmidt <bernds@codesourcery.com>
469 * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
470 * config/arm/arm.c (multiple_operation_profitable_p,
471 compute_offset_order): New static functions.
472 (load_multiple_sequence, store_multiple_sequence): Use them.
473 Replace constant 4 with MAX_LDM_STM_OPS. Compute order[0] from
474 memory offsets, not register numbers.
475 (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
477 2010-05-05 Steven Bosscher <steven@gcc.gnu.org>
479 * stor-layout.c (pending_sizes): Change the type to
481 (get_pending_sizes, put_pending_size, put_pending_sizes):
482 Update the uses of pending_sizes.
483 * c-decl.c (store_parm_decls): Likewise.
484 * c-tree.h (struct c_arg_info): Likewise.
485 * tree.h: Update the prototype for get_pending_sizes and
488 2010-05-05 Jason Merrill <jason@redhat.com>
491 * c-common.c (handle_aligned_attribute): Respect
492 ATTR_FLAG_TYPE_IN_PLACE.
495 * target.h (struct gcc_target): Add attribute_takes_identifier_p.
496 * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
497 (TARGET_INITIALIZER): Use it.
498 * c-common.c (attribute_takes_identifier_p): Call it.
499 * c-common.h: Update prototype.
500 * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
501 (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
503 2010-05-05 Jakub Jelinek <jakub@redhat.com>
506 * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
507 DW_ID_down_case for Fortran compilation units.
509 2010-05-05 Jan Hubicka <jh@suse.cz>
511 * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
514 2010-05-05 Eric Botcazou <ebotcazou@adacore.com>
516 * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
517 a variable-sized RESULT_DECL.
519 2010-05-05 Maxim Kuvyrkov <maxim@codesourcery.com>
521 * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
523 2010-05-05 Jason Merrill <jason@redhat.com>
526 * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
528 (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
530 2010-05-05 Alexandre Oliva <aoliva@redhat.com>
531 Jakub Jelinek <jakub@redhat.com>
534 * df-problems.c (struct dead_debug_use, struct dead_debug): New.
535 (dead_debug_init, dead_debug_finish): New functions.
536 (dead_debug_add, dead_debug_insert_before): Likewise.
537 (df_note_bb_compute): Initialize a dead_debug object, add dead
538 debug uses to it, insert debug bind insns before death insns,
539 reset debug insns that refer to pending uses at the end.
540 * rtl.h (make_debug_expr_from_rtl): New prototype.
541 * varasm.c (make_debug_expr_from_rtl): New function.
543 2010-05-05 Jan Hubicka <jh@suse.cz>
545 * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
546 (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
547 lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
548 lto_varpool_encoder_encode_initializer_p,
549 lto_set_varpool_encoder_encode_initializer): New functions.
550 (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
552 (input_varpool_node): Do not always set analyzed.
553 (input_cgraph_1): Return vector of cgraph nodes.
554 (input_varpool_1): Return vector of varpools.
555 (input_cgraph): Free the vectors.
556 * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
557 output only initializers needed.
558 (lto_output): Only call output_cgraph.
559 (produce_asm_for_decls): Call lto_varpool_encoder_delete.
560 * lto-section-out.c (lto_new_out_decl_state): Initialize
561 state->varpool_node_encoder.
562 * lto-streamer.h (lto_varpool_encoder_d): New.
563 (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
564 (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
565 (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
566 lto_varpool_encoder_encode, lto_varpool_encoder_delete,
567 lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
569 (output_varpool, input_varpool): Remove declarations.
571 2010-05-05 Jan Hubicka <jh@suse.cz>
573 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
574 with body can prevail.
576 2010-05-05 Jan Hubicka <jh@suse.cz>
578 * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
581 2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
583 * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
586 * gengtype.h (erro_at_line): Constify pos argument.
588 * gengtype.c: Include hashtab.h.
589 (enum gc_used): Document GC_MAYBE_POINTED_TO.
590 (error_at_line): Constify pos argument.
591 (do_typedef): Initialize p->opt field.
592 (get_file_gtfilename): Fix comment typo.
593 (struct walk_type_data): Constify line field.
594 (get_output_file_for_structure): New function.
595 (write_local_func_for_structure): Constify orig_s argument.
596 Use get_output_file_for_structure.
597 (write_func_for_structure): Use get_output_file_for_structure.
598 (INDENT): New define.
599 (dump_pair, dump_type, dump_type_list, dump_typekind)
600 (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
601 (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
603 (seen_types): New variable.
604 (main): New variable do_dump. Process "-d" command line option.
605 Call dump_everything if dump requested.
607 2010-05-05 Jakub Jelinek <jakub@redhat.com>
609 * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
610 in a temporary instead of invoking the macro multiple times.
611 (track_expr_p): Likewise.
613 2010-05-04 Neil Vachharajani <nvachhar@google.com>
615 * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
617 * opts.c (decode_options): Enable -Werror=coverage-mismatch.
618 * coverage.c (get_coverage_counts): Always emit a warning. Adjust
619 conditions for printing notes.
620 * common.opt (-Wcoverage-mismatch): Allow negative, default to
621 true, update documentation.
622 * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
624 2010-05-04 Jakub Jelinek <jakub@redhat.com>
627 * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
630 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
633 * config/i386/i386.md (sse_prologue_save): Add clobber CC
635 (*sse_prologue_save_insn1): Likewise.
636 (SSE prologue save splitter): Likewise.
638 2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
640 * tree.c (free_lang_data_in_one_sizepos): New inline function.
641 (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
642 types. Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
643 (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
644 all decls. Call it on DECL_FIELD_OFFSET of fields.
645 (find_decls_types_r): Follow DECL_VALUE_EXPR.
646 (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
648 2010-05-04 Martin Jambor <mjambor@suse.cz>
650 * tree-sra.c (build_access_from_expr_1): The first parameter type
651 changed to simple tree.
652 (build_access_from_expr): Likewise, gsi parameter was eliminated.
653 (scan_assign_result): Renamed to assignment_mod_result, enum elements
655 (build_accesses_from_assign): Removed all parameters except for a
656 simple gimple statement. Now returns a simple bool.
657 (scan_function): All non-analysis parts moved to separate functions
658 sra_modify_function_body and ipa_sra_modify_function_body. Removed all
659 parameters and updated both callers.
660 (sra_modify_expr): Removed parameter data.
661 (sra_modify_function_body): New function.
662 (perform_intra_sra): Call sra_modify_function_body to modify the
664 (replace_removed_params_ssa_names): Parameter data changed into
666 (sra_ipa_modify_expr): Likewise. Also removed unused parameter gsi and
667 changed the parameter dont_convert to convert with the opposite
669 (sra_ipa_modify_assign): Parameter data changed into adjustments
670 vector, return value changed to bool.
671 (ipa_sra_modify_function_body): New function.
672 (sra_ipa_reset_debug_stmts): Updated a comment.
673 (modify_function): Use ipa_sra_modify_function_body to modify function
676 2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
679 * alias.c (true_dependence): Handle the same VALUE in x and mem.
680 (canon_true_dependence): Likewise.
681 (write_dependence_p): Likewise.
683 2010-05-04 Jan Hubicka <jh@suse.cz>
685 * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
686 * cgraphbuild.c: Include ipa-utils.h
687 (record_reference_ctx): New struct.
688 (record_reference): Simplify to work on initializers; not statements.
689 (mark_address, mark_load, mark_store): New.
690 (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
692 (record_references_in_initializer): Update use of record_reference.
693 (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
696 2010-05-04 Jan Hubicka <jh@suse.cz>
698 * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
699 node will be removed anyway.
700 (lto_varpool_replace_node): Allow also unanalyzed nodes;
701 relink aliases of node into prevailing node.
702 * varpool.c (varpool_remove_node): Remove aliases properly;
703 when removing node, remove all its aliases too; remove DECL_INITIAL
704 of removed node; ggc_free the varpool node.
706 2010-05-04 Richard Guenther <rguenther@suse.de>
708 PR tree-optimization/43879
709 * tree-ssa-structalias.c (alias_get_name): Use
710 DECL_ASSEMBLER_NAME if available.
711 (create_function_info_for): Return the varinfo node.
712 (ipa_pta_execute): Associate same-body aliases and extra names
713 with their origin nodes varinfo. Dump DECL_ASSEMBLER_NAME.
715 2010-05-04 Kaz Kojima <kkojima@gcc.gnu.org>
717 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
720 2010-05-04 Mikael Pettersson <mikpe@it.uu.se>
723 * ira-color.c (assign_hard_reg): Declare rclass and add_cost
724 only if HONOR_REG_ALLOC_ORDER is not defined.
726 2010-05-04 Richard Guenther <rguenther@suse.de>
728 PR tree-optimization/43949
729 * tree-vrp.c (extract_range_from_binary_expr): Only handle
732 2010-04-26 Jason Merrill <jason@redhat.com>
734 * c.opt (-fstrict-enums): New.
735 * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
737 2010-05-03 David Ung <davidu@mips.com>
738 James E. Wilson <wilson@codesourcery.com>
740 * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
741 emit the trap instruction before the divide for TUNE_74K.
743 2010-05-03 Steven Bosscher <steven@gcc.gnu.org>
745 * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
746 (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
747 based on the above, for new target hook.
749 * hooks.c (hook_bool_mode_true): New generic hook.
750 * hooks.h (hook_bool_mode_true): Add prototype.
752 * target.h (struct gcc_target): Add small_register_classes_for_mode_p
754 * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
755 target hook, set to hook_bool_mode_false.
756 * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
757 * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
758 with targetm.small_register_classes_for_mode_p.
759 (find_reusable_reload): Likewise.
760 (combine_reloads): Likewise.
761 * reload1.c (reload_as_needed): Likewise.
762 * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
763 * ifcvt.c (noce_process_if_block, check_cond_move_block,
764 dead_or_predicable): Likewise.
765 * regmove.c (optimize_reg_copy_1): Likewise.
766 * calls.c (prepare_call_address): Likewise.
767 (precompute_register_parameters): Likewise.
769 * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
771 * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
772 implementation of the hook that considers all register classes
773 small except for SH64.
774 (sh_override_options): Use the new hook.
775 * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
778 * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
780 * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
781 implementation of the hook that considers all register classes
783 * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
786 * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
788 * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
789 implementation of the hook that considers all register classes
791 * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
794 * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
796 * config/m32c/m32c.h: Likewise.
797 * config/pdp11/pdp11.h: Likewise.
798 * config/avr/avr.h: Likewise.
799 * config/xtensa/xtensa.h: Likewise.
800 * config/m68hc11/m68hc11.h: Likewise.
801 * config/mn10300/mn10300.h: Likewise.
802 * config/mcore/mcore.h: Likewise.
803 * config/h8300/h8300.h: Likewise.
804 * config/bfin/bfin.h: Likewise.
806 * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
807 * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
809 2010-05-03 Anatoly Sokolov <aesok@post.ru>
811 * double-int.h (tree_to_double_int): Remove macro.
812 (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
813 * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
814 (tree_to_double_int): New function.
815 * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
817 * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
819 2010-05-03 Richard Guenther <rguenther@suse.de>
821 PR tree-optimization/43971
822 * tree-ssa-structalias.c (get_constraint_for_1): Fix
823 constraints in the !flag_delete_null_pointer_checks case.
825 2010-05-03 Jakub Jelinek <jakub@redhat.com>
828 * config/i386/i386.c (ix86_delegitimize_address): Make sure the
829 result mode matches original rtl mode.
831 2010-05-03 Dave Korn <dave.korn.cygwin@gmail.com>
834 * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
836 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
838 * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
839 when processing flag options.
841 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
843 * gcov-iov.c (main): Change format string placeholder
844 from %#08x to 0x%08x.
845 * genchecksum.c (dosum): Change format string placeholder
846 from %#02x to 0x%02x.
848 2010-05-02 Richard Guenther <rguenther@suse.de>
850 PR tree-optimization/43879
851 * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
853 2010-05-02 Bruno Haible <bruno@clisp.org>
855 * doc/extend.texi (Function Attributes): Fix a typo.
857 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
860 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
861 placeholder from 0x%x to %#x.
862 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
863 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
864 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
865 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
866 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
867 * config/i386/i386.c (ix86_target_string): Ditto.
868 * config/i386/i386.c (output_pic_addr_const): Ditto.
869 (print_operand): Ditto.
871 2010-05-02 Uros Bizjak <ubizjak@gmail.com>
873 * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
874 placeholder from 0x%x to %#x.
875 (ASM_OUTPUT_DEBUG_DATA1): Ditto.
876 (ASM_OUTPUT_DEBUG_DATA4): Ditto.
877 (ASM_OUTPUT_DEBUG_DATA): Ditto.
878 (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
879 (ASM_OUTPUT_DEBUG_DATA8): Ditto.
880 * optc-gen.awk: Ditto.
881 * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
882 (HOST_WIDE_INT_PRINT_HEX): Ditto.
883 (HOST_WIDEST_INT_PRINT_HEX): Ditto.
884 (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
886 2010-05-01 Anatoly Sokolov <aesok@post.ru>
888 * target.h (struct calls): Add function_value_regno_p field.
889 * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
890 (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
891 * targhooks.c (default_function_value_regno_p): New function.
892 * targhooks.h (default_function_value_regno_p): Declare function.
893 * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
894 * builtins.c. (apply_result_size): (Ditto.).
895 * combine.c. (likely_spilled_retval_p): (Ditto.).
896 * mode-switching.c. Include 'target.h'.
897 (create_pre_exit): Use function_value_regno_p hook.
898 * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
899 * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
900 TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
902 * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
903 * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
904 (ix86_function_value_regno_p): Declare as static, change argument
905 type to const unsigned int.
906 * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
908 2010-05-01 Richard Guenther <rguenther@suse.de>
910 PR tree-optimization/43949
911 * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
913 (extract_range_from_binary_expr): Handle *_MOD_EXPR.
915 2010-05-01 Anatoly Sokolov <aesok@post.ru>
917 * rtl.h (CONST_DOUBLE_P): Define.
918 (rtx_to_double_int): Declare.
919 * emit-rtl.c (rtx_to_double_int): New function.
920 * dwarf2out.c (insert_double): New function.
921 (loc_descriptor, add_const_value_attribute): Clean up, use
922 rtx_to_double_int and insert_double functions.
924 2010-05-01 Jonathan Wakely <jwakely.gcc@gmail.com>
926 * doc/extend.texi (Inline): Add missing return keyword to examples.
927 (Function Attributes, Variable Attributes, Pragmas): Hyphenate
930 2010-04-30 Eric Botcazou <ebotcazou@adacore.com>
932 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
933 the variable part of the offset as well. Use highest_pow2_factor for
934 all alignment checks.
936 2010-04-30 Richard Guenther <rguenther@suse.de>
938 PR tree-optimization/43879
939 * tree-ssa-structalias.c (type_could_have_pointers): Functions
942 2010-04-30 Jan Hubicka <jh@suse.cz>
944 * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
946 (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
948 2010-04-30 Jan Hubicka <jh@suse.cz>
950 * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
952 * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
953 * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
954 (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
955 cgraph_node_set_needs_ltrans_p): Remove.
957 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
959 * sdbout.c: Include vec.h, do not include varray.h.
960 (deferred_global_decls, sdbout_global_decl,
961 sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
962 * toplev.c: Do not include varray.h.
963 (dump_memory_report): Do not dump VARRAY statistics.
964 * gengtype.c (open_base_file): Ignore varray.h.
965 * Makefile.in: Update for abovementioned changes.
966 Remove all traces of varray.c and varray.h.
967 * varray.c: Remove file.
968 * varray.h: Remove file.
970 2010-04-30 Jan Hubicka <jh@suse.cz>
972 * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
975 2010-04-30 Jan Hubicka <jh@suse.cz>
977 * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
980 2010-04-30 Richard Guenther <rguenther@suse.de>
982 * tree-ssa-structalias.c (get_constraint_for_1): Generate
983 constraints for CONSTRUCTOR.
985 2010-04-30 Richard Guenther <rguenther@suse.de>
988 * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
989 first after all lowering passes.
991 2010-04-30 Steven Bosscher <steven@gcc.gnu.org>
993 * toplev.c: Include varray.h for statistics dumping.
994 * tree.h: Do not declare varray_head_tag.
995 * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
996 regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
997 c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
998 gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
999 lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1000 tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1001 c-common.c, c-common.h, reg-stack.c, basic-block.h,
1002 tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1004 * Makefile.in: Update for abovementioned changes.
1006 2010-04-30 Jakub Jelinek <jakub@redhat.com>
1009 * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1011 2010-04-30 Hariharan Sandanagobalane <hariharan@picochip.com>
1013 * config/picochip/picochip.c (picochip_legitimize_address): Define.
1014 Use this function to do machine-specific conversion.
1015 (picochip_legitimize_reload_address): Likewise.
1016 (picochip_legitimate_address_p): Check valid base register only if
1018 (picochip_check_conditional_copy): Check for modw only if opnd is
1020 * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1021 to call the function in c.
1022 * config/picochip/picochip-protos.h
1023 (picochip_legitimize_reload_address): Define.
1024 * config/picochip/picochip.md (supported_compare1): Define.
1026 2010-04-30 Jan Hubicka <jh@suse.cz>
1028 * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1029 (cgraph_global_info): Remove inlined.
1030 (LTO_cgraph_tag_names): Remove.
1031 (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1032 * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1033 simplify cgraph tags and document.
1034 (lto_output_node): Use only LTO_cgraph_unavail_node and
1035 LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1036 for_functions_valid, global info, process and output flags.
1037 (input_overwrite_node): Initialize estimated stack size and
1038 estimated growth. Do not read flags we no longer store.
1039 (input_node): Likewise do not read info no longer stored.
1040 * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1043 2010-04-30 Richard Guenther <rguenther@suse.de>
1045 PR tree-optimization/43879
1046 * tree-ssa-structalias.c (get_constraint_for_1): Properly
1047 handle non-zero initializers.
1049 2010-04-30 Richard Guenther <rguenther@suse.de>
1051 * builtins.c (fold_builtin_1): Delete free (0).
1053 2010-04-29 Jan Hubicka <jh@suse.cz>
1055 * gengtype.c (open_base_files): Add lto-streamer.h
1056 * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1057 (pass_ipa_cp): GGC collect.
1058 * toplev. (compile_file): Do not output symbols.
1059 * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1060 * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1061 TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1062 * lto-section-in.c: Include ggc.h
1063 (lto_new_in_decl_state): Alloc in GGC.
1064 (lto_delete_in_decl_state): Likewise.
1065 * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1068 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
1071 * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1072 ORDER_REGS_FOR_LOCAL_ALLOC. All instances of this macro changed.
1073 (HONOR_REG_ALLOC_ORDER): Describe new macro.
1074 * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1075 * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1076 account only if HONOR_REG_ALLOC_ORDER is not defined.
1077 * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1078 * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1080 2010-04-29 Jon Grant <04@jguk.org>
1082 * collect2.c (vflag): Change type from int to bool.
1084 (helpflag): New global bool.
1085 (main): Set vflag and debug with boolean, not integer truth values.
1086 Accept new "--help" option and output usage text if found.
1087 * collect2.h (vflag): Update prototype.
1090 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
1093 * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1095 2010-04-29 Richard Guenther <rguenther@suse.de>
1098 * plugin.h (invoke_plugin_callbacks): Annotate arguments
1099 with ATTRIBUTE_UNUSED.
1101 2010-04-29 H.J. Lu <hongjiu.lu@intel.com>
1104 * config/i386/i386.c (get_some_local_dynamic_name): Replace
1105 INSN_P with NONDEBUG_INSN_P.
1106 (distance_non_agu_define): Likewise.
1107 (distance_agu_use): Likewise.
1109 2010-04-29 Bernd Schmidt <bernds@codesourcery.com>
1111 From Dominique d'Humieres <dominiq@lps.ens.fr>
1113 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1116 2010-04-29 Brian Hackett <bhackett1024@gmail.com>
1118 * plugin.h (invoke_plugin_callbacks): New inline function.
1119 * plugin.c (flag_plugin_added): New global flag.
1120 (add_new_plugin): Initialize above flag.
1121 (invoke_plugin_callbacks): Rename to ...
1122 (invoke_plugin_callbacks_full): ... this.
1124 2010-04-28 Jan Hubicka <jh@suse.cz>
1126 * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1127 (lto_varpool_replace_node): New.
1128 (lto_symtab_resolve_symbols): Resolve varpool nodes.
1129 (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1130 (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1131 * cgraph.h (varpool_node_ptr): New type.
1132 (varpool_node_ptr): New vector.
1133 (varpool_node_set_def): New structure.
1134 (varpool_node_set): New type.
1135 (varpool_node_set): New vector.
1136 (varpool_node_set_element_def): New structure.
1137 (varpool_node_set_element, const_varpool_node_set_element): New types.
1138 (varpool_node_set_iterator): New type.
1139 (varpool_node): Add prev pointers, add used_from_other_partition,
1141 (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1142 varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1143 varpool_get_node, varpool_remove_node): Declare.
1144 (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1145 varpool_node_set_size): New inlines.
1146 * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1147 * tree-pass.h (varpool_node_set_def): Forward declare.
1148 (ipa_opt_pass_d): Summary writting takes vnode sets too.
1149 (ipa_write_optimization_summaries): Update prototype.
1150 * ipa-cp.c (ipcp_write_summary): Update.
1151 * ipa-reference.c (ipa_reference_write_summary): Update.
1152 * lto-cgraph.c (lto_output_varpool_node): New static function.
1153 (output_varpool): New function.
1154 (input_varpool_node): New static function.
1155 (input_varpool_1): New function.
1156 (input_cgraph): Input varpool.
1157 * ipa-pure-const.c (pure_const_write_summary): Update.
1158 * lto-streamer-out.c (lto_output): Update, output varpool too.
1159 (write_global_stream): Kill WPA hack.
1160 (produce_asm_for_decls): Update.
1161 (output_alias_pair_p): Handle variables.
1162 (output_unreferenced_globals): Output only needed partition of varpool.
1163 * ipa-inline.c (inline_write_summary): Update.
1164 * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1166 * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1167 * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1168 varpool_node_set_new, varpool_node_set_add,
1169 varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1170 debug_varpool_node_set): New functions.
1171 * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1172 (execute_one_pass): Process new decls too.
1173 (ipa_write_summaries_2): Pass around vsets.
1174 (ipa_write_summaries_1): Likewise.
1175 (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1177 (ipa_write_optimization_summaries_1): Pass around vsets.
1178 (ipa_write_optimization_summaries): Likewise.
1179 * varpool.c (varpool_get_node): New.
1180 (varpool_node): Update doubly linked lists.
1181 (varpool_remove_node): New.
1182 (dump_varpool_node): More dumping.
1183 (varpool_enqueue_needed_node): Update doubly linked lists.
1184 (decide_is_variable_needed): Kill ltrans hack.
1185 (varpool_finalize_decl): Kill lto hack.
1186 (varpool_assemble_decl): Skip decls in other partitions.
1187 (varpool_assemble_pending_decls): Update doubly linkes lists.
1188 (varpool_empty_needed_queue): Likewise.
1189 (varpool_extra_name_alias): Likewise.
1190 * lto-streamer.c (lto_get_section_name): Add vars section.
1191 * lto-streamer.h (lto_section_type): Update.
1192 (output_varpool, input_varpool): Declare.
1194 2010-04-28 Mike Stump <mikestump@comcast.net>
1196 * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1198 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1200 * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1201 record or union type with RECORD_OR_UNION_TYPE_P predicate.
1202 (lto_input_ts_type_tree_pointers): Likewise.
1203 * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1204 (lto_output_ts_type_tree_pointers): Likewise.
1206 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1208 Uniquization of constants at the Tree level
1209 * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1210 (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1212 (tree_output_constant_def): Declare.
1213 * gimplify.c (gimplify_init_constructor): When using block copy, first
1214 uniquize the constant constructor on the RHS.
1215 * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1216 DECL_IN_CONSTANT_POOL flag.
1217 * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1218 * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1220 (assemble_variable): Deal with symbols belonging to the tree constant
1222 (get_constant_section): Add ALIGN parameter and simplify.
1223 (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1224 (assemble_constant_contents): Use the expression of the VAR_DECL.
1225 (output_constant_def_contents): Use the alignment of the VAR_DECL.
1226 (tree_output_constant_def): New global function.
1227 (mark_constant): Use the expression of the VAR_DECL.
1228 (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1230 (output_object_block): Likewise and assemble the expression.
1232 2010-04-28 Eric Botcazou <ebotcazou@adacore.com>
1234 * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1235 hash_tree, eq_tree): New tree hash table.
1236 (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1237 [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1238 lto_orig_address_remove): Reimplement.
1240 2010-04-28 Xinliang David Li <davidxl@google.com>
1243 * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1244 (compute_uninit_opnds_pos): New function.
1245 (is_non_loop_exit_postdominating): New function.
1246 (compute_control_dep_chain): New function.
1247 (find_pdom): New function.
1248 (convert_control_dep_chain_into_preds): New function.
1249 (find_predicates): New function.
1250 (find_control_equiv_block): New function.
1251 (collect_phi_def_edges): New function.
1252 (find_def_preds): New function.
1253 (find_dom): New function.
1254 (dump_predicates): New function.
1255 (get_cmp_code): New function.
1256 (is_value_included_in): New function.
1257 (find_matching_predicate_in_rest_chains): New function.
1258 (use_pred_not_overlap_with_undef_path_pred): New function.
1259 (is_use_properly_guarded): New function.
1260 (normalize_cond_1): New function.
1261 (is_and_or_or): New function.
1262 (normalize_cond): New function.
1263 (is_gcond_subset_of): New function.
1264 (is_subset_of_any): New function.
1265 (is_or_set_subset_of): New function.
1266 (is_and_set_subset_of): New function.
1267 (is_norm_cond_subset_of): New function.
1268 (is_pred_expr_subset_of): New function.
1269 (is_pred_chain_subset_of): New function.
1270 (is_included_in): New function.
1271 (is_superset_of): New function.
1272 (find_uninit_use): New function.
1273 (warn_uninitialized_phi): New function.
1274 (compute_possibly_undefined_names): New function.
1275 (ssa_undefined_value_p): New function.
1276 (execute_late_warn_uninitialized): New function.
1277 * tree-ssa.c (ssa_undefined_value_p): Removed.
1278 (warn_uninit): Changed to extern.
1279 (warn_uninitialized_phi): Removed.
1280 (warn_uninitialized_vars): Changed to extern.
1281 (execute_late_warn_uninitialized): Removed
1282 * tree-flow.h: Add new prototypes.
1283 * timevar.def: Add new time variable.
1284 * Makefile.in: Add new build file.
1286 2010-04-28 Uros Bizjak <ubizjak@gmail.com>
1288 * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1291 2010-04-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1294 * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1296 2010-04-28 Martin Jambor <mjambor@suse.cz>
1298 * cgraph.h (struct cgraph_node): New field indirect_calls.
1299 (struct cgraph_indirect_call_info): New type.
1300 (struct cgraph_edge): Removed field indirect_call. New fields
1301 indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1302 (cgraph_create_indirect_edge): Declare.
1303 (cgraph_make_edge_direct): Likewise.
1304 (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1305 * ipa-prop.h (struct ipa_param_call_note): Removed.
1306 (struct ipa_node_params): Removed field param_calls.
1307 (ipa_create_all_structures_for_iinln): Declare.
1308 * cgraph.c: Described indirect edges and uids in initial comment.
1309 (cgraph_add_edge_to_call_site_hash): New function.
1310 (cgraph_edge): Search also among the indirect edges, use
1311 cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1312 (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1313 one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1315 (initialize_inline_failed): Assign a reason to indirect edges.
1316 (cgraph_create_edge_1): New function.
1317 (cgraph_create_edge): Moved some functionality to
1318 cgraph_create_edge_1.
1319 (cgraph_create_indirect_edge): New function.
1320 (cgraph_edge_remove_callee): Add an assert checking for
1322 (cgraph_edge_remove_caller): Special-case indirect edges.
1323 (cgraph_remove_edge): Likewise.
1324 (cgraph_set_edge_callee): New function.
1325 (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1326 (cgraph_make_edge_direct): New function.
1327 (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1328 the declaration of the call statement matches.
1329 (cgraph_node_remove_callees): Special-case indirect edges.
1330 (cgraph_clone_edge): Likewise.
1331 (cgraph_clone_node): Clone also the indirect edges.
1332 (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1333 indirect_call, dump count of indirect_calls edges.
1334 * ipa-prop.c (iinlining_processed_edges): New variable.
1335 (ipa_note_param_call): Create indirect edges instead of
1336 creating notes. New parameter node.
1337 (ipa_analyze_call_uses): New parameter node, pass it on to
1338 ipa_note_param_call.
1339 (ipa_analyze_stmt_uses): Likewise.
1340 (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1341 (print_edge_addition_message): Work on edges rather than on notes.
1342 (update_call_notes_after_inlining): Likewise, renamed to
1343 update_indirect_edges_after_inlining.
1344 (ipa_create_all_structures_for_iinln): New function.
1345 (ipa_free_node_params_substructures): Do not free notes.
1346 (ipa_edge_duplication_hook): Propagate bits within
1347 iinlining_processed_edges bitmap.
1348 (ipa_node_duplication_hook): Do not duplicate notes.
1349 (free_all_ipa_structures_after_ipa_cp): Renamed to
1350 ipa_free_all_structures_after_ipa_cp.
1351 (free_all_ipa_structures_after_iinln): Renamed to
1352 ipa_free_all_structures_after_iinln.g
1353 (ipa_write_param_call_note): Removed.
1354 (ipa_read_param_call_note): Removed.
1355 (ipa_write_indirect_edge_info): New function.
1356 (ipa_read_indirect_edge_info): Likewise.
1357 (ipa_write_node_info): Do not stream notes, do stream information
1359 (ipa_read_node_info): Likewise.
1360 (lto_ipa_fixup_call_notes): Removed.
1361 * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1362 * ipa-inline.c (pass_ipa_inline): Likewise.
1363 * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1364 * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1365 * tree-inline.c (copy_bb): Removed an unnecessary double check for
1367 * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1369 * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1370 (output_cgraph): Stream also indirect edges.
1371 (lto_output_edge): Added capability to stream indirect edges.
1372 (input_edge): Likewise.
1373 (input_cgraph_1): Likewise.
1374 * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1377 2010-04-28 Richard Guenther <rguenther@suse.de>
1379 PR tree-optimization/43879
1380 PR tree-optimization/43909
1381 * tree-ssa-structalias.c (struct variable_info): Add
1382 only_restrict_pointers flag.
1383 (new_var_info): Initialize it. Increment stats.total_vars here.
1384 (create_function_info_for): Do not increment stats.total_vars
1386 (get_function_part_constraint): Fix build with C++.
1387 (insert_into_field_list): Remove.
1388 (push_fields_onto_fieldstack): Properly merge fields.
1389 (create_variable_info_for): Split and simplify.
1390 (create_variable_info_for_1): New piece.
1391 (intra_create_variable_infos): Properly make restrict constraints
1394 2010-04-28 Richard Guenther <rguenther@suse.de>
1397 * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1399 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
1400 Jan Hubicka <hubicka@ucw.cz>
1402 * doc/invoke.texi (-Wsuggest-attribute=const,
1403 -Wsuggest-attribute=pure): Document.
1404 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1405 (function_always_visible_to_compiler_p,
1406 suggest_attribute, warn_function_pure, warn_function_const):
1408 (check_call): Improve debug info.
1409 (analyze_function): Do not check availability.
1410 (add_new_function): Check availability.
1411 (propagate): Output warnings.
1412 (skip_function_for_local_pure_const): New function.
1413 (local_pure_const): Use it; output warnings.
1414 * common.opt (Wsuggest-attribute=const,
1415 Wsuggest-attribute=pure): New.
1417 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1419 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1420 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1421 or DW_CFA_def_cfa_offset{,_sf}.
1423 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1425 * tree.h: Fix truncated long macros.
1427 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
1429 * collect2.c (TARGET_64BIT): Redefine to target's default.
1430 * tlink.c: Likewise.
1431 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1432 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1433 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1434 for underscoring __USER_LABEL_PREFIX__.
1435 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1436 (SUB_LINK_ENTRY32): New.
1437 (SUB_LINK_ENTRY64): New.
1438 (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1439 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1440 (SUB_LINK_ENTRY64): New.
1441 (SUB_LINK_ENTRY): New.
1442 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1443 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1444 x64 target is choosen.
1445 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1446 * configure: Regenerated.
1447 * configure.ac (leading-mingw64-underscores): Option added.
1449 2010-04-27 Jan Hubicka <jh@suse.cz>
1451 * doc/invoke.texi (-fipa-profile): Document.
1452 * opts.c (decode_options): Enable ipa-profile at -O1.
1453 * timevar.def (TV_IPA_PROFILE): Define.
1454 * common.opt (fipa-profile): Add.
1455 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1457 (cgraph_propagate_frequency): Handle only local ones.
1458 * tree-pass.h (pass_ipa_profile): Declare.
1459 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1460 (pass_ipa_profile): Use TV_IPA_PROFILE.
1461 * ipa.c (ipa_profile): New function.
1462 (gate_ipa_profile): Likewise.
1463 (pass_ipa_profile): New global variable.
1464 * passes.c (pass_ipa_profile): New.
1466 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
1468 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1470 2010-04-27 Martin Jambor <mjambor@suse.cz>
1473 * ipa.c (dissolve_same_comdat_group_list): New function.
1474 (function_and_variable_visibility): Call
1475 dissolve_same_comdat_group_list when comdat group contains external or
1477 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1478 lists are circular and that they contain only DECL_ONE_ONLY nodes.
1480 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
1482 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1483 (const_hash_1) <VECTOR_CST>: New case.
1484 (compare_constant) <VECTOR_CST>: Likewise.
1485 <ADDR_EXPR>: Deal with LABEL_REFs.
1486 (copy_constant) <VECTOR_CST>: New case.
1488 2010-04-27 Jan Hubicka <jh@suse.cz>
1490 * cgraph.c (cgraph_propagate_frequency): New function.
1491 * cgraph.h (cgraph_propagate_frequency): Declare.
1492 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1493 cgraph_propagate_frequency.
1495 2010-04-27 Jakub Jelinek <jakub@redhat.com>
1497 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1499 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
1502 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1503 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1504 here to determine which regs to push and how much stack to reserve.
1506 2010-04-27 Jie Zhang <jie@codesourcery.com>
1508 * doc/gimple.texi (gimple_statement_with_ops): Remove
1509 addresses_taken field.
1510 (gimple_statement_with_memory_ops): Likewise.
1512 2010-04-27 Jan Hubicka <jh@suse.cz>
1514 * tree-inline.c (eni_inlining_weights): Remove.
1515 (estimate_num_insns): Special case more builtins.
1517 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
1520 * c-typeck.c (build_binary_op): Move forward check for comparison
1521 pointer with null pointer constant and adjust the diagnostic message.
1523 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
1526 * configure.ac (gcc_cv_as_section_has_align): Set if installed
1527 binutils supports extended .section directive needed by LTO, or
1528 warn if older binutils found.
1529 (LTO_BINARY_READER): New AC_SUBST'd variable.
1530 (LTO_USE_LIBELF): Likewise.
1531 * gcc/config.gcc (lto_binary_reader): New target-specific configure
1533 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1534 (LTO_USE_LIBELF): Likewise.
1535 * configure: Regenerate.
1537 * collect2.c (is_elf): Rename from this ...
1538 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1539 object files in addition to ELF-formatted ones.
1540 (scan_prog_file): Caller updated. Also allow for LTO info marker
1541 symbol to be prefixed or not by an extra underscore.
1543 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1544 * config/i386/winnt.c: Also #include lto-streamer.h
1545 (i386_pe_asm_named_section): Specify 1-byte section alignment for
1547 (i386_pe_asm_output_aligned_decl_common): Add comment.
1548 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1550 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
1553 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1554 Add missing earlyclobber for second alternative.
1556 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
1558 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1559 bits for artificial defs at the top of the block.
1560 * fwprop.c (single_def_use_enter_block): Don't call it.
1562 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
1565 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1566 instead of "$gcc_cv_objdump -T".
1567 Use "-undefined dynamic_lookup" on darwin.
1568 * gcc/configure: Regenerate.
1570 2010-04-26 Jakub Jelinek <jakub@redhat.com>
1573 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1575 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1577 * c-parser.c (struct c_token): Move location field up.
1578 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1579 (struct c_declspecs): Convert typespec_word, storage_class, and
1580 default_int_p into bitfields.
1581 (struct c_declarator): Move loc field up.
1583 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
1585 * cfgloop.h (struct loop): Move can_be_parallel field up.
1586 * ipa-prop.h (struct ip_node_params): Move bitfields up.
1587 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1589 (struct iv_cand): Convert pos field into a bitfield.
1590 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1592 (struct _stmt_vec_info): Shuffle fields for better packing.
1594 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1596 * varasm.c (IN_NAMED_SECTION): Remove guard.
1597 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1598 (IN_NAMED_SECTION_P): ...this.
1599 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1600 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1602 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
1604 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1605 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
1606 of shadowing it. Fix comments.
1608 2010-04-26 Jan Hubicka <jh@suse.cz>
1610 * cgraph.c (cgraph_create_node): Set node frequency to normal.
1611 (cgraph_clone_node): Copy function frequency.
1612 * cgraph.h (node_frequency): New enum
1613 (struct cgraph_node): Add.
1614 * final.c (rest_of_clean_state): Update.
1615 * lto-cgraph.c (lto_output_node): Output node frequency.
1616 (input_overwrite_node): Input node frequency.
1617 * tre-ssa-loop-ivopts (computation_cost): Update.
1618 * lto-streamer-out.c (output_function): Do not output function
1620 * predict.c (maybe_hot_frequency_p): Update and handle functions
1622 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1624 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1625 (compute_function_frequency): Set noreturn functions to be executed
1627 (choose_function_section): Update.
1628 * lto-streamer-in.c (input_function): Do not input function frequency.
1629 * function.c (allocate_struct_function): Do not initialize function
1631 * function.h (function_frequency): Remove.
1632 (struct function): Remove function frequency.
1633 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1634 (try_update): Update.
1635 * tree-inline.c (initialize_cfun): Do not update function frequency.
1636 * passes.c (pass_init_dump_file): Update.
1637 * i386.c (ix86_compute_frame_layout): Update.
1638 (ix86_pad_returns): Update.
1640 2010-04-26 Jie Zhang <jie@codesourcery.com>
1642 PR tree-optimization/43833
1643 * tree-vrp.c (range_int_cst_p): New.
1644 (range_int_cst_singleton_p): New.
1645 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1646 when both operands are constants. Use range_int_cst_p in
1649 2010-04-26 Jan Hubicka <jh@suse.cz>
1651 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1653 2010-04-26 Richard Guenther <rguenther@suse.de>
1656 * gimple.c (gimple_decl_printable_name): Deal gracefully
1657 with a NULL DECL_NAME.
1659 2010-04-26 Richard Guenther <rguenther@suse.de>
1662 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1663 if emitting debug information and it is either a function
1664 or a namespace decl.
1666 2010-04-26 Ira Rosen <irar@il.ibm.com>
1668 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1669 determine if the statement is vectorizable, and a macro to access it.
1670 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1671 Skip statements that can't be vectorized. If the analysis fails,
1672 mark the statement as unvectorizable if vectorizing basic block.
1673 (vect_compute_data_refs_alignment): Likewise.
1674 (vect_verify_datarefs_alignment): Skip statements marked as
1675 unvectorizable. Add print.
1676 (vect_analyze_group_access): Skip statements that can't be
1677 vectorized. If the analysis fails, mark the statement as
1678 unvectorizable if vectorizing basic block.
1679 (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1680 * tree-vect-stmts.c (vectorizable_store): Fix the number of
1681 generated stmts for SLP.
1682 (new_stmt_vec_info): Initialize the new field.
1683 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1684 statements marked as unvectorizable.
1686 2010-04-25 Joseph Myers <joseph@codesourcery.com>
1688 * c-common.c (flag_isoc1x): New.
1689 (flag_isoc99): Update comment.
1690 * c-common.h (flag_isoc1x): New.
1691 (flag_isoc99): Update comment.
1692 * c-cppbuiltin.c (builtin_define_float_constants): Also define
1693 __<type>_DECIMAL_DIG__.
1694 * c-opts.c (set_std_c1x): New.
1695 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1696 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1697 * c.opt (-std=c1x, -std=gnu1x): New options.
1698 * doc/cpp.texi: Mention -std=c1x.
1699 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1700 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1701 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1702 * doc/standards.texi: Mention C1X.
1703 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1704 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1705 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1708 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
1710 * config/i386/gmon-sol2.c (_mcleanup): Change format string
1711 placeholder from 0x%x to %#x.
1712 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1713 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1714 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1715 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1716 * config/i386/i386.c (ix86_target_string): Ditto.
1717 (output_pic_addr_const): Ditto.
1718 (print_operand): Ditto.
1720 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
1722 * combine.c (find_split_point): Add third argument. Use it
1723 to find nested multiply-accumulate instructions. Adjust calls.
1724 (try_combine): Adjust call to find_split_point.
1726 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
1728 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1730 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
1732 PR tree-optimization/41442
1733 * fold-const.c (merge_truthop_with_opposite_arm): New function.
1734 (fold_binary_loc): Call it.
1736 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1738 * toplev.c (general_init): Set default for fdiagnostics-show-option.
1739 * opts.c (common_handle_option): Allow disabling it.
1740 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1742 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
1744 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1745 between modes if both types are integral.
1747 2010-04-23 Richard Guenther <rguenther@suse.de>
1749 PR tree-optimization/43572
1750 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1752 2010-04-23 Richard Guenther <rguenther@suse.de>
1755 * tree-inline.c (tree_can_inline_p): Also check compatibility
1758 2010-04-23 Martin Jambor <mjambor@suse.cz>
1760 PR tree-optimization/43846
1761 * tree-sra.c (struct access): New flag grp_assignment_read.
1762 (build_accesses_from_assign): Set grp_assignment_read.
1763 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1764 (enum mark_read_status): New type.
1765 (analyze_access_subtree): Propagate grp_assignment_read, create
1766 accesses also if both direct_read and root->grp_assignment_read.
1768 2010-04-23 Martin Jambor <mjambor@suse.cz>
1771 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1772 function does not have type attributes.
1774 2010-04-23 Richard Guenther <rguenther@suse.de>
1777 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1780 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1782 * sese.h (create_if_region_on_edge): Remove.
1784 * sese.c (create_if_region_on_edge): Make static.
1786 * tree-inline.c: Do not include ggc.h.
1788 * expr.c: Do not include ggc.h.
1790 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1793 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
1796 * config/sh/sh.c (find_barrier): Don't emit a constant pool
1797 in the middle of insns for casesi_worker_2.
1799 2010-04-22 David Edelsohn <edelsohn@gnu.org>
1801 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1803 2010-04-22 Ira Rosen <irar@il.ibm.com>
1805 PR tree-optimization/43842
1806 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1807 loop unrolling in update of exit phis. Fix comment.
1808 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1809 least two reduction statements in the loop before starting SLP
1812 2010-04-22 Nick Clifton <nickc@redhat.com>
1814 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1816 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
1818 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1821 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1823 * tree-parloops.c (loop_parallel_p): New argument
1824 parloop_obstack. Pass it down.
1825 (parallelize_loops): New variable parloop_obstack. Initialize it,
1826 pass it down, free it.
1828 * tree-loop-linear.c (linear_transform_loops): Pass down
1831 * tree-data-ref.h (lambda_compute_access_matrices): New argument
1832 of type struct obstack *.
1834 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1835 scratch_obstack. Initialize it, pass down, free it.
1837 * lambda.h (lambda_loop_new): Remove.
1838 (lambda_matrix_new, lambda_matrix_inverse)
1839 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1840 argument of type struct obstack *.
1842 * lambda-trans.c (lambda_trans_matrix_new): New argument
1843 lambda_obstack. Pass it down, use obstack allocation for ret.
1844 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
1847 * lambda-mat.c (lambda_matrix_get_column)
1848 (lambda_matrix_project_to_null): Remove.
1849 (lambda_matrix_new): New argument lambda_obstack. Use obstack
1851 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1854 * lambda-code.c (lambda_loop_new): New function.
1855 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1856 (lambda_compute_auxillary_space, lambda_compute_target_space)
1857 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1858 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1859 (build_access_matrix): New argument lambda_obstack. Use obstack
1861 (lambda_compute_step_signs, lambda_compute_access_matrices): New
1862 argument lambda_obstack. Pass it down.
1864 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1866 * optabs.h (expand_widening_mult): Declare.
1868 2010-04-22 Richard Guenther <rguenther@suse.de>
1870 PR tree-optimization/43845
1871 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1872 lookup the CALL_EXPR function and arguments.
1874 2010-04-22 Nick Clifton <nickc@redhat.com>
1876 * config/stormy16/stormy16.c
1877 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1878 * config/stormy16/stormy16.h: Tidy up formatting.
1879 (DONT_USE_BUILTIN_SETJMP): Remove definition.
1880 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1881 (ineqbranchsi): Delete pattern.
1882 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1883 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1884 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1885 stormy16-lib2-ucmpsi2.c.
1887 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1889 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1890 df_simulate_find_noclobber_defs as appropriate. Keep track of an
1891 extra set merge_set_noclobber, and use it to relax the final test
1893 * df.h (df_simulate_find_noclobber_defs): Declare.
1894 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1896 (df_simulate_find_noclobber_defs): New function.
1898 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
1900 * config/i386/i386.md: Use {} around multi-line preparation statements.
1902 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1904 * c-tree.h (push_init_level, pop_init_level, set_init_index)
1905 (process_init_element): New argument of type struct obstack *.
1907 * c-typeck.c (push_init_level, pop_init_level, set_designator)
1908 (set_init_index, set_init_label, set_nonincremental_init)
1909 (set_nonincremental_init_from_string, find_init_member)
1910 (output_init_element, output_pending_init_elements)
1911 (process_init_element): New argument braced_init_obstack. Pass it
1913 (push_range_stack, add_pending_init): New argument
1914 braced_init_obstack. Use obstack allocation.
1916 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1917 braced_init_obstack. Pass it down.
1918 (c_parser_braced_init): New variables ret, braced_init_obstack.
1919 Initialize obstack, pass it down and finally free it.
1921 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
1924 * tree-pass.h (pass_optimize_widening_mul): Declare.
1925 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1926 gate_optimize_widening_mul): New static functions.
1927 (pass_optimize_widening_mul): New.
1928 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1929 <case MULT_EXPR>: Remove support for widening multiplies.
1930 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1931 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1932 simplify_gen_unary rather than directly building extensions.
1933 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1935 * expmed.c (expand_widening_mult): New function.
1936 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1938 2010-04-21 Jan Hubicka <jh@suse.cz>
1940 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1941 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1942 * lto-wpa-fixup.c: Remove.
1943 * Makefile.in (lto-wpa-fixup.o): Remove.
1944 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1945 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1946 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1948 2010-04-21 Jan Hubicka <jh@suse.cz>
1950 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1951 add write_optimization_summary, read_optimization_summary.
1952 (ipa_write_summaries_of_cgraph_node_set): Remove.
1953 (ipa_write_optimization_summaries): Declare.
1954 (ipa_read_optimization_summaries): Declare.
1955 * ipa-cp.c (pass_ipa_cp): Update.
1956 * ipa-reference.c (pass_ipa_reference): Update.
1957 * ipa-pure-const.c (pass_ipa_pure_const): Update.
1958 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1960 * ipa-inline.c (pass_ipa_inline): Update.
1961 * ipa.c (pass_ipa_whole_program): Update.
1962 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1963 * passes.c (ipa_write_summaries_1): Do not test wpa.
1964 (ipa_write_optimization_summaries_1): New.
1965 (ipa_write_optimization_summaries): New.
1966 (ipa_read_summaries): Do not test ltrans.
1967 (ipa_read_optimization_summaries_1): New.
1968 (ipa_read_optimization_summaries): New.
1970 2010-04-21 Jan Hubicka <jh@suse.cz>
1972 * lto-cgraph.c (lto_output_node): Do not output comdat groups
1974 (output_cgraph): Do not arrange comdat groups for boundary nodes.
1976 2010-04-21 Jakub Jelinek <jakub@redhat.com>
1979 * dwarf2out.c (add_name_and_src_coords_attributes): Add
1980 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1982 2010-04-21 Jan Hubicka <jh@suse.cz>
1984 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1986 2010-04-21 Jan Hubicka <jh@suse.cz>
1988 * varpool.c (decide_is_variable_needed): Variable is always needed
1991 2010-04-21 Jan Hubicka <jh@suse.cz>
1993 * opts.c (decode_options): Enable pure-const pass for whopr.
1995 2010-04-21 Jan Hubicka <jh@suse.cz>
1997 * cgraph.c (dump_cgraph_node): Dump also assembler name.
1998 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2000 (cgraph_decide_inlining): Do not expect callee to be removed in all
2003 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
2005 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2007 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
2009 * config/i386/i386.md (x86_shrd): Add athlon_decode and
2010 amdfam10_decode attributes.
2012 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2015 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2016 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2017 (lower_copyprivate_clauses): Use private var in outer
2018 context instead of original var. Make sure the types
2019 are correct for VLAs.
2021 2010-04-21 Richard Guenther <rguenther@suse.de>
2023 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2024 to non-pointer objects.
2026 2010-04-21 Jakub Jelinek <jakub@redhat.com>
2028 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
2029 last chain entry if it starts with the still current label.
2030 (add_location_or_const_value_attribute): Check that
2031 loc_list->first->next is NULL instead of comparing ->first with ->last.
2032 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2033 to add_var_loc_to_decl.
2035 * dwarf2out.c (output_call_frame_info): For dw_cie_version
2036 >= 4 add also address size and segment size fields into CIE header.
2038 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2039 long as address size is the same as sizeof (void *) and
2041 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
2042 address size or segment size is unexpected, return DW_EH_PE_omit.
2043 (classify_object_over_fdes): If get_cie_encoding returned
2044 DW_EH_PE_omit, return -1.
2045 (init_object): If classify_object_over_fdes returned -1,
2046 pretend there were no FDEs at all.
2048 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
2050 * config/i386/i386.md (bswap<mode>2): Macroize expander from
2051 bswap{si,di}2 using SWI48 mode iterator.
2052 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2053 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
2054 set modrm attribute of bswap insn to 0 and remove length attribute.
2055 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2056 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
2057 set mode attribute to <MODE> and remove length attribute.
2059 2010-04-20 James E. Wilson <wilson@codesourcery.com>
2061 PR rtl-optimization/43520
2062 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2063 zero available registers.
2065 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2067 * builtins.c (fold_builtin_cproj): Fold more cases.
2069 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2071 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2072 (fold_builtin_1): Fold builtin cproj.
2073 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2074 Use ATTR_CONST_NOTHROW_LIST.
2076 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
2078 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2079 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
2080 ffsi2_no_cmove for !TARGET_CMOVE.
2081 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
2082 (ffssi2): Remove expander.
2083 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2085 (ctz<mode>2): Ditto from ctz{si,di}2.
2086 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2088 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2091 2010-04-20 Jakub Jelinek <jakub@redhat.com>
2093 * dwarf2out.c (AT_linkage_name): Define.
2094 (clone_as_declaration): Handle DW_AT_linkage_name.
2095 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2096 of DW_AT_MIPS_linkage_name.
2097 (move_linkage_attr): Likewise.
2098 (dwarf2out_finish): Likewise.
2100 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
2103 * fold-const.c (fold_comparison): New folding rule.
2105 2010-04-20 Anatoly Sokolov <aesok@post.ru>
2107 * double-int.h (double_int_setbit): Declare.
2108 * double-int.c (double_int_setbit): New function.
2109 * rtl.h (immed_double_int_const): Declare.
2110 * emit-rtl.c (immed_double_int_const): New function.
2111 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2112 and immed_double_int_const functions.
2113 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2114 expand_copysign_bit): (Ditto.).
2115 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2116 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2117 * dojump.c (prefer_and_bit_test): (Ditto.).
2118 * expr.c (convert_modes, reduce_to_bit_field_precision,
2119 const_vector_from_tree): (Ditto.).
2120 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2122 2010-04-20 Jan Hubicka <jh@suse.cz>
2124 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2125 (dump_cgraph_node): Dump new flags.
2126 * cgraph.h (struct cgraph_node): Add flags
2127 reachable_from_other_partition and in_other_partition.
2128 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2129 other partition can not be removed.
2130 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2131 the other partition must be output; silence sanity checking on
2132 leaking functions bodies from other paritition.
2133 * lto-cgraph.c (reachable_from_other_partition_p): New function.
2134 (lto_output_node): Output new flags; do not sanity check that inline
2135 clones are output; drop lto_forced_extern_inline_p code; do not mock
2136 visibility flags at partition boundaries.
2137 (add_node_to): New function.
2138 (output_cgraph): Use it to sort functions so masters appear before
2140 (input_overwrite_node): Input new flags.
2141 * passes.c (ipa_write_summaries): Do not call
2142 lto_new_extern_inline_states.
2143 * lto-section-out.c (forced_extern_inline,
2144 lto_new_extern_inline_states lto_delete_extern_inline_states,
2145 lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2146 * lto-streamer.h (lto_new_extern_inline_states,
2147 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2148 lto_forced_extern_inline_p): Kill.
2150 2010-04-20 Richard Guenther <rguenther@suse.de>
2152 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2153 from vars that can have pointers.
2154 (process_constraint): Dump useless constraints.
2156 2010-04-20 Richard Guenther <rguenther@suse.de>
2158 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2159 (dump_sa_points_to_info): Remove asserts.
2160 (init_base_vars): nothing_id isn't an escape point nor does it
2163 2010-04-20 Jakub Jelinek <jakub@redhat.com>
2165 * tree.h (TYPE_REF_IS_RVALUE): Define.
2166 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2167 should_move_die_to_comdat, prune_unused_types_walk): Handle
2168 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2169 (modified_type_die, gen_reference_type_die): Emit
2170 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2171 if TYPE_REF_IS_RVALUE and -gdwarf-4.
2173 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2176 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2177 calls for -fpic -m31 if they have been sibcall optimized.
2179 2010-04-19 James E. Wilson <wilson@codesourcery.com>
2181 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2182 ar.lc fixed and call-used.
2184 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2186 2010-04-19 Jan Hubicka <jh@suse.cz>
2188 * opts.c (decode_options): Disable whpr incompatible passes.
2189 * lto/lto.c (lto_1_to_1_map): Skip clones.
2190 (read_cgraph_and_symbols): Do not mark everything as needed.
2191 (do_whole_program_analysis): Do map only after optimizing;
2192 set proper cgraph_state; use passmanager.
2194 2010-04-19 DJ Delorie <dj@redhat.com>
2196 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2197 POINTER_PLUS_EXPR and fix them.
2199 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
2201 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2202 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2203 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2204 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2205 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2206 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2207 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2208 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2209 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2210 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2211 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2213 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
2215 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2216 (check_cond_move_block): Likewise.
2217 (cond_move_process_if_block): Likewise.
2218 (noce_find_if_block): Improve formatting.
2219 (find_if_header): Pass 0 to memset and tweak conditions.
2220 (cond_exec_find_if_block): Fix long lines and tweak conditions.
2222 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2224 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2228 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2229 with non-local decl doesn't need chain.
2231 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
2233 * ira-color.c (allocno_reload_assign): Avoid accumulating
2234 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2236 2010-04-19 Martin Jambor <mjambor@suse.cz>
2238 * gimple.h (create_tmp_reg): Declare.
2239 * gimplify.c (create_tmp_reg): New function.
2240 (gimplify_return_expr): Use create_tmp_reg.
2241 (gimplify_omp_atomic): Likewise.
2242 (gimple_regimplify_operands): Likewise.
2243 * tree-dfa.c (make_rename_temp): Likewise.
2244 * tree-predcom.c (predcom_tmp_var): Likewise.
2245 (reassociate_to_the_same_stmt): Likewise.
2246 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2247 (get_replaced_param_substitute): Likewise.
2248 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2249 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2250 * tree-ssa-pre.c (get_representative_for): Likewise.
2251 (create_expression_by_pieces): Likewise.
2252 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2253 (create_tailcall_accumulator): Likewise.
2255 2010-04-19 Martin Jambor <mjambor@suse.cz>
2257 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2259 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2261 2010-04-19 Richard Guenther <rguenther@suse.de>
2263 PR tree-optimization/43796
2264 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2265 from SCEV in the lattice.
2266 (vrp_visit_phi_node): Dump change.
2268 2010-04-19 Richard Guenther <rguenther@suse.de>
2270 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2271 * configure: Re-generated.
2273 2010-04-19 Richard Guenther <rguenther@suse.de>
2275 PR tree-optimization/43783
2276 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2277 constant ARRAY_REF operands two and three if possible.
2279 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
2282 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2284 2010-04-19 Jie Zhang <jie@codesourcery.com>
2287 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2289 2010-04-19 Ira Rosen <irar@il.ibm.com>
2291 PR tree-optimization/37027
2292 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2293 and macro to access it.
2294 (vectorizable_reduction): Add argument.
2295 (vect_get_slp_defs): Likewise.
2296 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2297 statements for possible use in SLP.
2298 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2299 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2300 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2302 (vectorizable_reduction): Likewise.
2303 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2305 (vectorizable_type_demotion, vectorizable_type_promotion,
2306 vectorizable_store): Likewise.
2307 (vect_analyze_stmt): Update call to vectorizable_reduction.
2308 (vect_transform_stmt): Likewise.
2309 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2310 (vect_build_slp_tree): Fix indentation. Check that there are no loads
2311 from different interleaving chains in same node.
2312 (vect_slp_rearrange_stmts): New function.
2313 (vect_supported_load_permutation_p): Allow load permutations for
2314 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2315 inside SLP nodes if necessary.
2316 (vect_analyze_slp_instance): Handle reductions.
2317 (vect_analyze_slp): Try to build SLP instances originating from groups
2319 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2320 (vect_get_constant_vectors): Create initial vectors for reductions
2321 according to reduction code. Add new argument.
2322 (vect_get_slp_defs): Add new argument, pass it to
2323 vect_get_constant_vectors.
2324 (vect_schedule_slp_instance): Remove SLP tree root statements.
2326 2010-04-19 Jakub Jelinek <jakub@redhat.com>
2328 * tree.h (ENUM_IS_SCOPED): Define.
2329 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2330 for ENUM_IS_SCOPED enums.
2332 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
2334 * fold-const.c (fold_comparison): Use ssizetype.
2335 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2336 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2337 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2338 * tree-object-size.c (compute_object_sizes): Use size_type_node.
2340 * tree.h (initialize_sizetypes): Remove parameter.
2341 (build_common_tree_nodes): Remove second parameter.
2342 * stor-layout.c (initialize_sizetypes): Remove parameter.
2343 Always create an unsigned type.
2344 (set_sizetype): Assert that the passed type is unsigned and simplify.
2345 * tree.c (build_common_tree_nodes): Remove second parameter.
2346 Adjust call to initialize_sizetypes.
2347 * c-decl.c (c_init_decl_processing): Remove second argument in call to
2348 build_common_tree_nodes.
2350 2010-04-18 Matthias Klose <doko@ubuntu.com>
2352 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2354 2010-04-18 Ira Rosen <irar@il.ibm.com>
2356 PR tree-optimization/43771
2357 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2358 load permutation doesn't have gaps.
2360 2010-04-18 Jan Hubicka <jh@suse.cz>
2362 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2363 (sse_prologue_save_insn expander): Use new pattern.
2364 (sse_prologue_save_insn1): New pattern and splitter.
2365 (sse_prologue_save_insn): Update to deal also with 64bit aligned
2367 * i386.c (setup_incoming_varargs_64): Do not compute jump
2369 (ix86_gimplify_va_arg): Update alignment needed.
2370 (ix86_local_alignment): Do not align all local arrays to 128bit.
2372 2010-04-17 Jan Hubicka <jh@suse.cz>
2374 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2376 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2378 * arm.md (negdi2): Remove redundant code to force values into a
2381 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2383 * arm/bpabi.S: Add EABI alignment attributes to objects.
2384 * arm/bpabi-v6m.S: Likewise.
2385 * arm/crti.asm: Likewise.
2386 * arm/crtn.asm: Likewise.
2387 * arm/lib1funcs.asm: Likewise.
2388 * arm/libunwind.S: Likewise.
2390 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
2392 * arm-protos.h (tune_params): New structure.
2393 * arm.c (current_tune): New variable.
2394 (arm_constant_limit): Delete.
2395 (struct processors): Add pointer to the tune parameters.
2396 (arm_slowmul_tune): New tuning option.
2397 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2398 (all_cores): Adjust to pick up the tuning model.
2399 (arm_constant_limit): New function.
2400 (arm_override_options): Select the appropriate tuning model. Delete
2401 initialization of arm_const_limit.
2402 (arm_split_constant): Use the new constant-limit model.
2403 (arm_rtx_costs): Pick up the current tuning model.
2404 * arm.md (is_strongarm, is_xscale): Delete.
2405 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2406 for Xscale variant architectures.
2407 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2409 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2411 * config/arm/arm.c (arm_gen_constant): Remove unused variable
2413 (arm_rtx_costs_1): Remove unused variable extra_cost.
2414 (arm_unwind_emit_set): Use variable offset.
2415 (thumb1_output_casesi): Remove unused variable flags.
2417 2010-04-16 Jeff Law <law@redhat.com>
2419 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2420 needing assignment rather than doing a two-phase assignment. Remove
2421 unused variable 'm'.
2423 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2426 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2428 2010-04-16 Doug Kwan <dougkwan@google.com>
2430 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2431 (next_operand_entry_id): New static variable.
2432 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2433 (add_to_ops_vec): Assigned unique ID to operand entry.
2434 (struct oecount_s): New field ID.
2435 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2436 (undistribute_ops_list): Assign unique IDs to oecounts.
2437 (init_reassoc): reset next_operand_entry_id.
2439 2010-04-16 Doug Kwan <dougkwan@google.com>
2441 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2442 missing left parenthesis.
2444 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
2446 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2447 *btdi_rex64 using SWI48 mode iterator.
2448 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2449 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2450 *jcc_btdi_mask_rex64.
2452 2010-04-16 Anatoly Sokolov <aesok@post.ru>
2454 * double-int.h (tree_to_double_int): Convert to macro.
2455 * double-int.c (tree_to_double_int): Remove.
2457 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2460 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2461 with want_address 2 and in case a single element list might be
2462 possible, call it again with want_address 0.
2464 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2466 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2467 case 'W' print operands for HI mode.
2468 * config/h8300/h8300.h (Y0, Y2) : New constraints.
2469 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2470 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2471 * config/h8300/predicate.md (bit_register_indirect_operand): New.
2473 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2475 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2476 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2477 #xx:3 and #xx:4 mode.
2479 * config/h8300/h8300.md (inverted load with HImode dest): Add
2480 support for H8300SX.
2482 * config/h8300/predicate.md (bit_operand): Allow immediate values that
2483 satisfy 'U' constraint.
2485 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2487 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2488 * configure: Regenerate.
2489 * config.in: Regenerate.
2490 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2493 2010-04-16 Richard Guenther <rguenther@suse.de>
2495 * tree.h (struct tree_decl_minimal): Move pt_uid ...
2496 (struct tree_decl_common): ... here.
2497 (DECL_PT_UID): Adjust.
2498 (SET_DECL_PT_UID): Likewise.
2499 (DECL_PT_UID_SET_P): Likewise.
2501 2010-04-16 Richard Guenther <rguenther@suse.de>
2503 PR tree-optimization/43572
2504 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2505 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2506 * tree-flow.h (is_call_clobbered): Remove.
2507 * tree-flow-inline.h (is_call_clobbered): Likewise.
2508 * tree-dfa.c (dump_variable): Do not dump call clobber state.
2509 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2510 (execute_return_slot_opt): Adjust.
2511 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2512 check for call clobbered vars here.
2513 (find_tail_calls): Move tailcall verification to the
2516 2010-04-16 Diego Novillo <dnovillo@google.com>
2518 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2520 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2523 * config/arm/arm.md (cbranchqi4): New pattern.
2524 * config/arm/predicates.md (const0_operand,
2525 cbranchqi4_comparison_operator): New predicates.
2527 2010-04-16 Richard Guenther <rguenther@suse.de>
2529 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2530 (dump_gimple_stmt): Likewise.
2532 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
2534 * recog.h (struct recog_data): New field is_operator.
2535 (struct insn_operand_data): New field is_operator.
2536 * recog.c (extract_insn): Set recog_data.is_operator.
2537 * genoutput.c (output_operand_data): Emit code to set the
2539 * reload.c (find_reloads): Use it rather than testing for an
2540 empty constraint string.
2543 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2544 If the previous insn is a cbranchsi4_insn with the same arguments,
2545 omit the compare instruction.
2547 * config/arm/arm.md (addsi3_cbranch): If destination is a high
2548 register, inputs must be low registers and we need a low register
2549 scratch. Handle alternative 2 like alternative 3.
2551 2010-04-16 Jakub Jelinek <jakub@redhat.com>
2553 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2554 don't call get_addr on both. If one expression is a VALUE and
2555 the other a REG, check VALUE's locs if the REG isn't among them.
2557 2010-04-16 Christian Bruel <christian.bruel@st.com>
2559 * config/sh/sh.h (sh_frame_pointer_required): New function.
2560 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2561 (flag_omit_frame_pointer) Set.
2562 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2563 (rounded_frame_size): Adjust size with outgoing_args_size.
2564 (sh_set_return_address): Must return from stack pointer.
2565 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2566 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2567 (ACCUMULATE_OUTGOING_ARGS): Define.
2568 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2569 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2571 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2574 * config/sh/sh.c (sh_legitimize_reload_address): Use
2575 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2576 Remove a unneeded check for offset_base.
2578 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
2580 * configure: Regenerated.
2582 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2584 * config/s390/s390.c (s390_call_save_register_used): Switch back
2585 to HARD_REGNO_NREGS.
2587 2010-04-15 Richard Guenther <rguenther@suse.de>
2589 * alias.c (alias_set_subset_of): Handle alias-set zero
2592 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
2593 Julian Brown <julian@codesourcery.com>
2595 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2596 alternatives according to use of high and low regs.
2597 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2598 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2599 optimizing for size on Thumb-2.
2601 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
2603 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2605 2010-04-15 Richard Guenther <rguenther@suse.de>
2607 * tree-ssa-structalias.c (struct variable_info): Add
2609 (new_var_info): Initialize it.
2610 (dump_constraints): Support printing last added constraints.
2611 (debug_constraints): Adjust.
2612 (dump_constraint_graph): Likewise.
2613 (make_heapvar_for): Check for NULL cfun.
2614 (get_function_part_constraint): New function.
2615 (get_fi_for_callee): Likewise.
2616 (find_func_aliases): Properly implement IPA PTA constraints.
2617 (process_ipa_clobber): New function.
2618 (find_func_clobbers): Likewise.
2619 (insert_into_field_list_sorted): Remove.
2620 (create_function_info_for): Properly allocate vars for IPA mode.
2621 Do not use insert_into_field_list_sorted.
2622 (create_variable_info_for): Properly generate constraints for
2623 global vars in IPA mode.
2624 (dump_solution_for_var): Always dump the solution.
2625 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2626 (find_what_var_points_to): Adjust.
2627 (pt_solution_set): Change.
2628 (pt_solution_ior_into): New function.
2629 (pt_solution_empty_p): Export.
2630 (pt_solution_includes_global): Adjust.
2631 (pt_solution_includes_1): Likewise.
2632 (pt_solutions_intersect_1): Likewise.
2633 (dump_sa_points_to_info): Check some invariants.
2634 (solve_constraints): Move constraint dumping ...
2635 (compute_points_to_sets): ... here.
2636 (ipa_pta_execute): ... and here.
2637 (compute_may_aliases): Do not re-compute points-to info
2638 locally if IPA info is available.
2639 (ipa_escaped_pt): New global var.
2640 (ipa_pta_execute): Properly implement IPA PTA.
2641 * tree-into-ssa.c (dump_decl_set): Support dumping
2642 decls not in referenced-vars.
2643 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2644 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2645 (dump_points_to_solution): Likewise.
2646 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2647 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2648 (remap_gimple_stmt): Reset call clobber/use information if necessary.
2649 (copy_decl_to_var): Copy DECL_PT_UID.
2650 (copy_result_decl_to_var): Likewise.
2651 * tree.c (make_node_stat): Initialize DECL_PT_UID.
2652 (copy_node_stat): Copy it.
2653 * tree.h (DECL_PT_UID): New macro.
2654 (SET_DECL_PT_UID): Likewise.
2655 (DECL_PT_UID_SET_P): Likewise.
2656 (struct tree_decl_minimal): Add pt_uid member.
2657 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2658 (pt_solution_empty_p): Declare.
2659 (pt_solution_set): Adjust.
2660 (ipa_escaped_pt): Declare.
2661 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2662 * gimple-pretty-print.c (pp_points_to_solution): New function.
2663 (dump_gimple_call): Dump call clobber/use information.
2664 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2665 * tree-pass.h (TDF_ALIAS): New dump option.
2666 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2667 * doc/invoke.texi (-fipa-pta): Update documentation.
2669 2010-04-15 Richard Guenther <rguenther@suse.de>
2671 * Makefile.in (OBJS-common): Add gimple-fold.o.
2672 (gimple-fold.o): New rule.
2673 * tree.h (maybe_fold_offset_to_reference,
2674 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2676 * gimple.h: ... here.
2677 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2678 may_propagate_address_into_dereference): Move prototypes ...
2679 * gimple.h: ... here.
2680 * tree-ssa-ccp.c (get_symbol_constant_value,
2681 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2682 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2683 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2684 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2685 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2686 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2687 gimplify_and_update_call_from_tree): Move ...
2688 * gimple-fold.c: ... here. New file.
2689 (ccp_fold_builtin): Rename to ...
2690 (gimple_fold_builtin): ... this.
2691 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2693 2010-04-15 Richard Guenther <rguenther@suse.de>
2695 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2696 fit_double_type, force_fit_type_double, add_double_with_sign,
2697 neg_double, mul_double_with_sign, lshift_double, rshift_double,
2698 lrotate_double, rrotate_double, div_and_round_double): Move ...
2699 * double-int.c: ... here.
2700 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2701 add_double, neg_double, mul_double_with_sign, mul_double,
2702 lshift_double, rshift_double, lrotate_double, rrotate_double,
2703 div_and_round_double): Move prototypes ...
2704 * double-int.h: ... here.
2706 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
2709 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
2710 matching constraints to ensure inputs match the output.
2712 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
2715 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2716 in an input-only operand.
2718 2010-04-15 Anatoly Sokolov <aesok@post.ru>
2720 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2721 (double_int_not, double_int_lshift, double_int_rshift): Declare.
2722 (double_int_negative_p): Convert to static inline function.
2723 * double-int.c (double_int_lshift, double_int_lshift): New functions.
2724 (double_int_negative_p): Remove.
2725 * tree.h (lshift_double, rshift_double):
2726 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2727 * fold-const.c (fold_convert_const_int_from_real,
2728 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2729 (lshift_double): Change type of arith argument to bool.
2730 (rshift_double): Change type of arith argument to bool. Correct
2732 * expmed.c (mask_rtx, lshift_value): (Ditto.).
2734 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
2737 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2738 at the start and end of the then/else blocks, and omit them from the
2740 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
2741 argument; all callers changed. Pass zero to old_insns_match_p instead.
2742 (flow_find_head_matching_sequence): New function.
2743 (old_insns_match_p): Check REG_EH_REGION notes for calls.
2744 * basic-block.h (flow_find_cross_jump,
2745 flow_find_head_matching_sequence): Declare functions.
2747 2010-04-14 Jason Merrill <jason@redhat.com>
2750 * c-common.c (attribute_takes_identifier_p): New fn.
2751 * c-common.h: Declare it.
2753 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2755 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2757 (*udivmod<mode>4): Ditto.
2759 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2761 * config/i386/i386.md (maxmin_int): Rename code attribute from
2762 maxminiprefix and update all users.
2763 (maxmin_float): Ditto from maxminfprefix.
2764 (logic): Ditto from logicprefix.
2765 (absneg_mnemonic): Ditto from absnegprefix.
2766 * config/i386/mmx.md: Update all users of maxminiprefix,
2767 maxminfprefix and logicprefix for rename.
2768 * config/i386/sse.md: Ditto.
2769 * config/i386/sync.md (sync_<code><mode>): Update for
2772 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
2775 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2776 warnings converted to errors.
2778 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2780 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2781 used insn_type variable.
2782 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2783 to avoid set-but-not-used warning.
2785 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2787 * df-core.c (df_ref_debug): Change format string placeholder
2789 * dwarf2asm.c (dw2_asm_output_data_raw,
2790 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2791 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2792 * dwarf2out.c (output_cfi, output_cfi_directive,
2793 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2794 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2796 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2797 * print-rtl.c (print_rtx): Ditto.
2799 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
2802 * builtins.c (expand_builtin_pow_root): New function to expand pow
2803 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2804 series of sqrt and cbrt calls under -ffast-math.
2805 (expand_builtin_pow): Call it.
2807 2010-04-14 Michael Matz <matz@suse.de>
2809 PR tree-optimization/42963
2810 * tree-cfg.c (touched_switch_bbs): New static variable.
2811 (group_case_labels_stmt): New function broken out from ...
2812 (group_case_labels): ... here, use the above.
2813 (start_recording_case_labels): Allocate touched_switch_bbs.
2814 (end_recording_case_labels): Deallocate it, call
2815 group_case_labels_stmt.
2816 (gimple_redirect_edge_and_branch): Remember index of affected BB.
2818 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2820 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2823 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
2825 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2827 2010-04-13 Jan Hubicka <jh@suse.cz>
2829 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2830 of optimized out static functions.
2831 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2832 cost computation. Also sanity check for overflows.
2833 (update_caller_keys): Update cgraph_edge_badness call; properly
2834 update fibheap and sanity check that it is up to date.
2835 (add_new_edges_to_heap): Update cgraph_edge_badness.
2836 (cgraph_decide_inlining_of_small_function): Likewise;
2837 add sanity checking that badness in heap is up to date;
2838 improve dumping of reason; Update badness of calls to the
2839 offline copy of function currently inlined; dump badness
2840 of functions not inlined because of unit growth limits.
2842 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
2845 * c-common.c (pointer_int_sum): Disregard overflow that occured only
2846 because of sign-extension change when converting to sizetype here...
2847 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2849 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2850 the folding to constants. Remove redundant final conversion.
2851 (fold_binary) <associate>: Do not associate if the re-association of
2852 constants alone overflows.
2853 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2854 to the end of the list.
2855 (multiple_of_p) <COND_EXPR>: New case.
2857 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
2859 * opt-functions.awk (opt_sanitized_name): New.
2861 * optc-gen.awk: Use it
2862 * opth-gen.awk: Use it.
2864 2010-04-13 Martin Jambor <mjambor@suse.cz>
2866 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2867 (sra_modify_assign): Delete stmts loading dead data even if racc has no
2868 children. Call replace_uses_with_default_def_ssa_name to handle
2871 2010-04-13 Michael Matz <matz@suse.de>
2874 * builtins.c (expand_builtin_interclass_mathfn): Also create
2875 a register if the predicate doesn't match.
2877 2010-04-13 Diego Novillo <dnovillo@google.com>
2879 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2880 * c-pch.c: Include timevar.h.
2881 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2882 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2883 * ggc-common.c: Include timevar.h.
2884 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2885 * timevar.def (TV_PCH_SAVE): Define.
2886 (TV_PCH_CPP_SAVE): Define.
2887 (TV_PCH_PTR_REALLOC): Define.
2888 (TV_PCH_PTR_SORT): Define.
2889 (TV_PCH_RESTORE): Define.
2890 (TV_PCH_CPP_RESTORE): Define.
2892 2010-04-13 Michael Matz <matz@suse.de>
2894 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2896 (can_reassociate_p): New function.
2897 (break_up_subtract_bb, reassociate_bb): Use it.
2899 2010-04-13 Richard Guenther <rguenther@suse.de>
2902 * builtins.c (c_readstr): Fix assert.
2904 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
2906 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2907 when generating cltd insn.
2909 (*ashl<mode>3_1): Remove special handling for register operand 2.
2910 (*ashlsi3_1_zext): Ditto.
2911 (*ashlhi3_1): Ditto.
2912 (*ashlhi3_1_lea): Ditto.
2913 (*ashlqi3_1): Ditto.
2914 (*ashlqi3_1_lea): Ditto.
2915 (*<shiftrt_insn><mode>3_1): Ditto.
2916 (*<shiftrt_insn>si3_1_zext): Ditto.
2917 (*<shiftrt_insn>qi3_1_slp): Ditto.
2918 (*<rotate_insn><mode>3_1): Ditto.
2919 (*<rotate_insn>si3_1_zext): Ditto.
2920 (*<rotate_insn>qi3_1_slp): Ditto.
2922 2010-04-13 Richard Guenther <rguenther@suse.de>
2924 * tree-ssa-structalias.c (callused_id): Remove.
2925 (call_stmt_vars): New.
2926 (get_call_vi): Likewise.
2927 (lookup_call_use_vi): Likewise.
2928 (lookup_call_clobber_vi): Likewise.
2929 (get_call_use_vi): Likewise.
2930 (get_call_clobber_vi): Likewise.
2931 (make_transitive_closure_constraints): Likewise.
2932 (handle_const_call): Adjust to do per-call call-used handling.
2933 (handle_pure_call): Likewise.
2934 (find_what_var_points_to): Remove general callused handling.
2935 (init_base_vars): Likewise.
2936 (init_alias_vars): Initialize call_stmt_vars.
2937 (compute_points_to_sets): Process call-used and call-clobbered
2938 vars for call statements.
2939 (delete_points_to_sets): Free call_stmt_vars.
2941 2010-04-13 Richard Guenther <rguenther@suse.de>
2943 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2944 Only add RW dependence for dependence distance zero.
2945 Adjust maximal vectorization factor according to dependences.
2946 Move alignment handling ...
2947 (vect_find_same_alignment_drs): ... here. New function.
2948 (vect_analyze_data_ref_dependences): Adjust.
2949 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2950 (vect_analyze_data_refs): Adjust minimal vectorization factor
2951 according to data references.
2952 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2953 dependences before determining the vectorization factor.
2954 Analyze alignment after determining the vectorization factor.
2955 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2956 dependences before alignment.
2957 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2959 (vect_analyze_data_refs): Likewise.
2960 (MAX_VECTORIZATION_FACTOR): New define.
2962 2010-04-13 Duncan Sands <baldrick@free.fr>
2964 * except.h (lang_eh_type_covers): Remove.
2965 * except.c (lang_eh_type_covers): Likewise.
2967 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2968 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2970 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2971 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2972 UNITS_PER_LONG where it is ABI relevant.
2973 (s390_return_addr_rtx): Likewise.
2974 (s390_back_chain_rtx): Likewise.
2975 (s390_frame_area): Likewise.
2976 (s390_frame_info): Likewise.
2977 (s390_initial_elimination_offset): Likewise.
2978 (save_gprs): Likewise.
2979 (s390_emit_prologue): Likewise.
2980 (s390_emit_epilogue): Likewise.
2981 (s390_function_arg_advance): Likewise.
2982 (s390_function_arg): Likewise.
2983 (s390_va_start): Likewise.
2984 (s390_gimplify_va_arg): Likewise.
2985 (s390_function_profiler): Likewise.
2986 (s390_optimize_prologue): Likewise.
2987 (s390_rtx_costs): Likewise.
2988 (s390_secondary_reload): Likewise.
2989 (s390_promote_function_mode): Likewise.
2990 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2991 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2992 registers available.
2993 (s390_unwind_word_mode): New function.
2994 (s390_function_value): Split 64 bit values into register pair if
2995 used as return value.
2996 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2997 function call parameters. Handle parallels.
2998 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2999 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3000 (DWARF_CIE_DATA_ALIGNMENT): New macro.
3001 (s390_expand_setmem): Remove unused variable src_addr.
3002 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3003 deal with 64 bit registers.
3004 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3005 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3006 (UNITS_PER_LONG): New macro.
3007 * libjava/include/s390-signal.h: Define extended ucontext
3008 structure containing the upper halfs of the 64 bit registers.
3010 2010-04-13 Simon Baldwin <simonb@google.com>
3012 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3014 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
3016 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3017 rvalue on the RHS if the LHS is of a non-renamable type.
3018 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3020 2010-04-13 Matthias Klose <doko@ubuntu.com>
3022 * gcc.c (cc1_options): Handle -iplugindir before processing
3023 the cc1 spec. Only add -iplugindir once.
3024 (cpp_unique_options): Add -iplugindir option if -fplugin* options
3026 * common.opt (iplugindir): Remove `Separate' property, initialize.
3027 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3029 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3030 (distclean): Remove plugin dir.
3031 * doc/invoke.texi: Document -iplugindir.
3033 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
3035 * doc/plugins.texi (Loading Plugins): Document short
3036 -fplugin=foo option.
3037 (Plugin API): Mention default_plugin_dir_name function.
3039 * gcc.c (find_file_spec_function): Add new declaration.
3040 (static_spec_func): Use it for "find-file".
3041 (find_file_spec_function): Add new function.
3042 (cc1_options): Add -iplugindir option if -fplugin* options found.
3044 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3046 * plugin.c (add_new_plugin): Updated comment, and handle short
3048 (default_plugin_dir_name): Added new function.
3050 * common.opt (iplugindir): New option to set the plugin directory.
3052 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
3054 * config/i386/i386.md (any_rotate): New code iterator.
3055 (rotate_insn): New code attribute.
3057 (SWIM124): New mode iterator.
3058 (<rotate_insn>ti3): New expander.
3059 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3060 any_rotate code iterator.
3061 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3062 using any_rotate code iterator and SWIM124 mode iterator.
3063 (ix86_rotlti3): New insn_and_split pattern.
3064 (ix86_rotrti3): Ditto.
3065 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3066 ix86_rotl{di,ti}3 patterns.
3067 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3068 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3069 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3070 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3071 code iterator and SWI mode iterator.
3072 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3073 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3075 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3076 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3077 (bswap rotatert splitter): Add splitter.
3078 (bswap splitter): Macroize splitter using any_rotate code iterator.
3079 Add insn predicate to split only for TARGET_USE_XCHGB or when
3080 optimizing function for size.
3082 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3084 * config/pa/pa.c (emit_move_sequence): Remove use of
3085 deleted variable flag_argument_noalias.
3087 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3089 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3091 Add to unsupported targets list.
3092 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3093 sparc*-sun-solaris2.[567]* from target lists.
3094 * configure: Regenerate.
3095 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3097 Remove Solaris 7 patch references.
3098 (Specific, sparc-sun-solaris2.7): Removed.
3099 (sparc-sun-solaris2*): Update Solaris 7 example.
3100 (sparc64-*-solaris2*): Likewise.
3102 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3104 * config.build (alpha*-dec-osf4*): Remove.
3105 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3106 of obsolete configurations.
3107 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3109 * config/alpha/t-osf4: Renamed to ...
3110 * config/alpha/t-osf5: ... this.
3111 * config/alpha/osf.h: Renamed to ...
3112 * config/alpha/osf5.h: ... this.
3113 Merged old osf5.h contents.
3115 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3116 (EXTRA_SPECS): Removed.
3117 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3118 reflect removal of Tru64 UNIX V4.0/V5.0 support.
3121 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3123 * doc/contrib.texi (Contributors, Rainer Orth): Update.
3125 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
3128 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3129 __thiscall convention.
3131 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3133 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3135 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3137 2010-04-12 Steve Ellcey <sje@cup.hp.com>
3139 * function.c (assign_parms_initialize_all): Add unused attribute
3142 2010-04-12 Richard Guenther <rguenther@suse.de>
3144 * gsstruct.def (GSS_CALL): New.
3145 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3146 * gimple.h: Include tree-ssa-alias.h.
3147 (struct gimple_statement_call): New.
3148 (union gimple_statement_struct_d): Add gimple_call member.
3149 (gimple_call_reset_alias_info): Declare.
3150 (gimple_call_use_set): New function.
3151 (gimple_call_clobber_set): Likewise.
3152 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3153 * gimple.c (gimple_call_reset_alias_info): New function.
3154 (gimple_build_call_1): Call it.
3155 * lto-streamer-in.c (input_gimple_stmt): Likewise.
3156 * tree-inline.c (remap_gimple_stmt): Likewise.
3157 (expand_call_inline): Remove callused handling.
3158 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3159 * tree-dfa.c (dump_variable): Likewise.
3160 * tree-parloops.c (parallelize_loops): Likewise.
3161 * tree-ssa.c (init_tree_ssa): Likewise.
3162 (delete_tree_ssa): Likewise.
3163 * tree-flow-inline.h (is_call_used): Remove.
3164 * tree-flow.h (struct gimple_df): Remove callused member.
3165 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3166 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3167 (ref_maybe_used_by_call_p_1): Simplify.
3168 (call_may_clobber_ref_p_1): Likewise.
3169 * tree-ssa-structalias.c (compute_points_to_sets): Set
3170 the call stmt used and clobbered sets.
3171 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3172 (find_tail_calls): Verify the tail call.
3174 2010-04-12 Richard Guenther <rguenther@suse.de>
3176 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3177 single-iteration always-inline inlining.
3178 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3179 (cgraph_decide_inlining): Do not handle always-inline specially.
3180 (try_inline): Remove always-inline cycle detection special case.
3181 Do not recurse on always-inlines.
3182 (cgraph_early_inlining): Do not iterate if not optimizing.
3183 (cgraph_gate_early_inlining): remove.
3184 (pass_early_inline): Run unconditionally.
3185 (gate_cgraph_decide_inlining): New function.
3186 (pass_ipa_inline): Use it. Do not run the IPA inliner if
3187 not inlining or optimizing.
3188 (cgraph_decide_inlining_of_small_functions): Also consider
3189 always-inline functions.
3190 (cgraph_default_inline_p): Return true for nodes which should
3191 disregard inline limits.
3192 (estimate_function_body_sizes): Assume zero size and time for
3193 nodes which are marked as disregarding inline limits.
3194 (cgraph_decide_recursive_inlining): Do not perform recursive
3195 inlining on always-inline nodes.
3197 2010-04-12 Jakub Jelinek <jakub@redhat.com>
3200 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3201 for exprs satisfying handled_component_p.
3203 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
3205 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3206 non-constant aggregate elements.
3208 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3209 is a real initialization.
3211 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
3214 * c-decl.c (start_function): Move forward check for nested function.
3216 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
3218 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3219 * config/sh/sh.c: Include reload.h.
3220 (sh_legitimize_reload_address): New.
3221 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3222 sh_legitimize_reload_address.
3224 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
3226 * config/sh/sh.md (*movqi_pop): New insn pattern.
3227 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3229 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3231 * config/i386/i386.md (any_shiftrt): New code iterator.
3232 (shiftrt_insn): New code attribute.
3234 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3235 using any_shiftrt code iterator.
3236 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3237 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3238 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3239 pattern from corresponding peephole2 patterns.
3240 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3241 using any_shiftrt code iterator.
3242 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3243 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3244 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3245 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3246 *{ashr,lshr}<mode>3_cmp_zext.
3247 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3249 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3251 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3253 (*lshr<mode>3_cconly): Ditto.
3255 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
3257 * config/i386/i386.md (lshr<mode>3): Macroize expander from
3258 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3259 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3260 pattern from *lshr{di,ti}3_1 and corresponding splitters using
3262 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3263 from corresponding peephole2 patterns.
3264 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3265 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3266 and *lshrdi3_1_rex64 using SWI mode iterator.
3267 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3268 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3269 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3270 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3271 and *lshrdi3_cmp_rex64 using SWI mode iterator.
3272 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3273 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3274 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3275 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3278 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
3280 * config/i386/i386.md (ashr<mode>3): Macroize expander from
3281 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3282 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
3283 pattern from *ashr{di,ti}3_1 and corresponding splitters using
3285 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3286 from corresponding peephole2 patterns.
3287 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3288 (ashrsi3_cvt): Rename from ashrsi3_31.
3289 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3290 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3291 and x86_64_shift_adj_3 using SWI48 mode iterator.
3292 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3293 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3294 and *ashrdi3_1_rex64 using SWI mode iterator.
3295 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3296 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3297 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3298 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3299 and *ashrdi3_cmp_rex64 using SWI mode iterator.
3300 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3301 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3302 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3303 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3305 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3306 * config/i386/i386.c (ix86_split_ashr): Update for renamed
3307 x86_shift<mode>_adj_3 expanders.
3309 2010-04-10 Wei Guozhi <carrot@google.com>
3312 * config/arm/arm.c (arm_pic_static_addr): New function.
3313 (legitimize_pic_address): Call arm_pic_static_addr when it detects
3315 (arm_output_addr_const_extra): Output expression for new pattern.
3316 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3318 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
3320 * ira-costs.c (record_reg_classes): Ignore alternatives that are
3323 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3324 * web.c: Include "insn-config.h" and "recog.h".
3325 (union_match_dups): New function.
3326 (web_main): Call it.
3327 (union_defs): Don't try to recognize match_dups.
3329 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3330 if doing so would replace the entire pattern.
3332 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3336 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3337 and splitter pattern. Change splitter operand 1 predicate to
3340 2010-04-09 Martin Jambor <mjambor@suse.cz>
3342 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3343 lattices are addresses of CONST_DECLs with the same initial value.
3344 (ipcp_print_all_lattices): Print values of CONST_DECLs.
3345 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3347 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
3348 Bernd Schmidt <bernds@codesourcery.com>
3350 * loop-invariant.c (replace_uses): New static function.
3351 (move_invariant_reg): Use it to ensure we can replace the uses.
3353 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
3355 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3357 (picochip_override_options): Enable section anchors only above -O1.
3358 (picochip_reorg): Fixed a couple of build warnings.
3360 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3362 * configure.ac (plugin -rdynamic test): Log result.
3363 * configure: Regenerate.
3364 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3365 (RDYNAMIC_SPEC): Define.
3366 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3368 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3370 * configure.ac: Determine Sun ld version numbers.
3371 (comdat_group): Restrict GNU ld version checks to gld.
3372 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3373 (enable_comdat): Support --enable-comdat.
3374 * configure: Regenerate.
3375 * doc/install.texi (Configuration): Document --enable-comdat.
3377 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3379 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
3380 * config/sol2-gld.h: ... here.
3381 * config.gcc (sparc*-*-solaris2*): Reflect this.
3382 (i[34567]86-*-solaris2*): Use it.
3384 2010-04-09 Steve Ellcey <sje@cup.hp.com>
3386 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3388 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3390 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3393 * diagnostic.c (diagnostic_initialize): Initialize
3394 some_warnings_are_errors.
3395 (diagnostic_finish): New.
3396 (diagnostic_action_after_output): Call it before exiting.
3397 (diagnostic_report_diagnostic): Do not print message here. Set
3398 some_warnings_are_errors.
3399 * diagnostic.h (diagnostic_context): Delete
3400 issue_warnings_are_errors_message. Add some_warnings_are_errors.
3401 (diagnostic_finish): Declare.
3402 * toplev.c (toplev_main): Call it before exit.
3404 2010-04-09 Jason Merrill <jason@redhat.com>
3407 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3408 for incomplete type.
3411 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3412 based on a warning flag.
3414 2010-04-09 Richard Guenther <rguenther@suse.de>
3416 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3418 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
3421 * varasm.c (default_assemble_visibility): Wrap vars that are
3422 set, but unused, by targets without GAS.
3423 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3424 Remove set, but unused, vars.
3425 (rs6000_legitimize_tls_address): Likewise.
3426 (altivec_expand_dst_builtin): Likewise.
3427 * config/darwin.c (machopic_classify_symbol): Likewise.
3428 (machopic_indirection_name): Likewise.
3430 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
3432 * config/i386/i386.md (DWI): New mode iterator.
3433 (S): New mode attribute.
3434 (shift_operand): Ditto.
3435 (shift_immediate_operand): Ditto.
3436 (ashl_input_operand): Ditto.
3437 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3438 using SDWIM mode iterator.
3439 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
3440 pattern from *ashl{di,ti}3_1 and corresponding splitters using
3442 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3443 from corresponding peephole2 patterns.
3444 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3445 and x86_64_shift_adj_1 using SWI48 mode iterator.
3446 (x86_shift<mode>_adj_2): Ditto.
3447 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3448 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3449 using SWI48 mode iterator.
3450 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3451 *ashldi3_cmp_rex64 using SWI mode iterator.
3452 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3453 *ashldi3_cconly_rex64 using SWI mode iterator.
3454 * config/i386/i386.c (ix86_split_ashl): Update for renamed
3455 x86_shift<mode>_adj_{1,2}.
3456 (ix86_split_ashr): Ditto.
3457 (ix86_split_lshr): Ditto.
3459 2010-04-09 Richard Guenther <rguenther@suse.de>
3461 * target.h (builtin_conversion): Pass in input and output types.
3462 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3463 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3464 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3465 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3467 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3469 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3471 2010-04-09 Richard Guenther <rguenther@suse.de>
3474 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3476 2010-04-09 Richard Guenther <rguenther@suse.de>
3478 * tree-vectorizer.h (struct _stmt_vec_info): Document
3479 that vectype is the type of the LHS.
3480 (supportable_widening_operation, supportable_narrowing_operation):
3481 Get both input and output vector types as arguments.
3482 (vect_is_simple_use_1): Declare.
3483 (get_same_sized_vectype): Likewise.
3484 * tree-vect-loop.c (vect_determine_vectorization_factor):
3485 Set STMT_VINFO_VECTYPE to the vector type of the def.
3486 (vectorizable_reduction): Adjust.
3487 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3488 Adjust. Specify the output vector type.
3489 (vect_pattern_recog_1): Adjust.
3490 * tree-vect-stmts.c (get_same_sized_vectype): New function.
3491 (vectorizable_call): Adjust.
3492 (vectorizable_conversion): Likewise.
3493 (vectorizable_operation): Likewise.
3494 (vectorizable_type_demotion): Likewise.
3495 (vectorizable_type_promotion): Likewise.
3496 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3498 (vect_is_simple_use_1): New function.
3499 (supportable_widening_operation): Get both input and output
3501 (supportable_narrowing_operation): Likewise.
3502 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3504 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
3506 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3507 __thiscall and _thiscall as predefined macros.
3508 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3509 thiscall attribute handling.
3510 (ix86_comp_type_attributes): Likewise.
3511 (ix86_function_regparm): Likewise.
3512 (ix86_return_pops_args): Likewise.
3513 (init_cumulative_args): Likewise.
3514 (find_drap_reg): Likewise.
3515 (ix86_static_chain): Likewise.
3516 (x86_this_parameter): Likewise.
3517 (x86_output_mi_thunk): Likewise.
3518 (ix86_attribute_table): Add description for thiscall attribute.
3519 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3520 * doc/extend.texi: Add documentation for thiscall.
3522 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
3525 * c.opt (Wint-to-pointer-cast): Available in C++.
3526 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3528 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
3530 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3531 * calls.c (expand_call): Pass the function type to aggregate_value_p.
3532 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3533 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
3534 function type instead. Reorder and simplify checks.
3536 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3538 2010-04-08 Jing Yu <jingyu@google.com>
3539 Zdenek Dvorak <ook@ucw.cz>
3541 PR tree-optimization/42720
3542 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3543 loop unswitch conditions here from ...
3544 (tree_unswitch_single_loop): ... here.
3546 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3548 * tree-if-conv.c: Fix comments and simplify logic.
3550 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
3552 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3553 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
3554 (main_tree_if_conversion): Update call to tree_if_conversion.
3556 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
3559 * doc/invoke.texi (-b,-V): Delete.
3560 * doc/tm.texi: Do not mention -b.
3561 * gcc.c (display_help): Delete -b and -V.
3562 (process_command): Delete -b and -V.
3563 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3565 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
3566 Wolfgang Gellerich <gellerich@de.ibm.com>
3568 Implement target hook for loop unrolling
3569 * target.h (loop_unroll_adjust): Add a new target hook function.
3570 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3571 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3572 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3573 (s390_loop_unroll_adjust): Implement the new target hook for s390.
3574 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3576 (decide_unroll_stupid): Likewise.
3578 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3581 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3583 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3585 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3586 (Specific, *-*-solaris2*): Likewise.
3587 Don't prefer Sun as over GNU as.
3589 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
3591 * config/s390/s390.c (override_options): Adjust the z10
3592 defaults for max-unroll-times, max-completely-peeled-insns
3593 and max-completely-peel-times.
3595 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3597 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3598 instructions for z10.
3599 (s390_expand_setmem): Likewise.
3600 (s390_expand_cmpmem): Likewise.
3602 2010-04-08 Richard Guenther <rguenther@suse.de>
3604 PR tree-optimization/43679
3605 * tree-ssa-pre.c (eliminate): Only propagate copies.
3607 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3610 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3611 set but not used variable warning.
3613 2010-04-08 Wei Guozhi <carrot@google.com>
3616 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3617 (arm_size_rtx_costs): Call the new function when optimized for size.
3619 2010-04-08 Jakub Jelinek <jakub@redhat.com>
3622 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3623 op0 is not a MEM, just return NULL instead of assertion
3625 (discover_nonconstant_array_refs): Don't walk debug stmts.
3627 2010-04-08 Doug Kwan <dougkwan@google.com>
3629 * configure.ac: Recognize gold and do not use its version number
3630 to test ld features.
3631 * configure: Regenerate.
3633 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
3636 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3637 (negate_value): Move code to push elements to broken_up_substracts ...
3638 (eliminate_plus_minus_pair): ... here. Push operands that have no
3639 negative pair to plus_negates.
3640 (repropagate_negates, init_reassoc, fini_reassoc): Update.
3642 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3644 * doc/install.texi (Configuration): Move description of
3645 --enable-lto, --with-libelf*, --enable-gold from Java section to
3648 * doc/generic.texi (Working with declarations)
3649 (Function Properties, C and C++ Trees): Fix typos.
3650 * doc/sourcebuild.texi (Top Level): Likewise.
3652 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3655 * tree.h (DECL_READ_P): Define.
3656 (struct tree_decl_common): Add decl_read_flag.
3657 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3658 a set but not used warning.
3659 (merge_decls): Merge DECL_READ_P flag.
3660 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3661 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3662 * c-common.c (handle_used_attribute, handle_unused_attribute):
3664 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3666 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3668 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3669 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3670 c_parser_binary_expression, c_parser_cast_expression,
3671 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3672 Call default_function_array_read_conversion instead of
3673 default_function_array_conversion where needed.
3674 (c_parser_unary_expression, c_parser_conditional_expression,
3675 c_parser_postfix_expression_after_primary, c_parser_initelt):
3676 Likewise. Call mark_exp_read where needed.
3677 (c_parser_statement_after_labels, c_parser_asm_operands,
3678 c_parser_typeof_specifier, c_parser_sizeof_expression,
3679 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3681 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3683 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3684 (warn_unused_but_set_parameter): Default to warn_unused
3686 * doc/invoke.texi: Document -Wunused-but-set-variable and
3687 -Wunused-but-set-parameter.
3689 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3690 used count variable.
3691 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3692 when operandN variables aren't used in the body of the expander
3694 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3695 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3696 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3697 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3698 FOR_EACH_IMM_USE_ON_STMT): Likewise.
3699 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3700 * tree.c (PROCESS_ARG): Likewise.
3702 2010-04-07 Simon Baldwin <simonb@google.com>
3704 * diagnostic.h (diagnostic_override_option_index): New macro to
3705 set a diagnostic's option_index.
3706 * c-tree.h (c_cpp_error): Add warning reason argument.
3707 * opts.c (_warning_as_error_callback): New.
3708 (register_warning_as_error_callback): Store callback for
3709 warnings enabled via enable_warning_as_error.
3710 (enable_warning_as_error): Call callback, minor code tidy.
3711 * opts.h (register_warning_as_error_callback): Declare.
3712 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3713 response to -Werror=.
3714 (c_common_init_options): Register warning_as_error_callback in opts.c.
3715 * common.opt: Add -Wno-cpp option.
3716 * c-common.c (struct reason_option_codes_t): Map cpp warning
3717 reason codes to gcc option indexes.
3718 * (c_option_controlling_cpp_error): New function, lookup the gcc
3719 option index for a cpp warning reason code.
3720 * (c_cpp_error): Add warning reason argument, call
3721 c_option_controlling_cpp_error for diagnostic_override_option_index.
3722 * doc/invoke.texi: Document -Wno-cpp.
3724 2010-04-07 Richard Guenther <rguenther@suse.de>
3726 * ipa-reference.c (mark_load): Use get_base_address.
3727 (mark_store): Likewise.
3729 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3730 inserting GIMPLE_NOPs into the IL.
3731 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3732 Explicitly strip handled components and indirect references.
3734 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3735 folding address expressions.
3736 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3737 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3738 operand_equal_p to compare decls.
3739 (ptr_deref_may_alias_decl_p): Likewise.
3740 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3741 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3742 Handle reversed comparison ops.
3743 * tree-sra.c (asm_visit_addr): Use get_base_address.
3744 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3745 * ipa-reference.c (mark_address): Use get_base_address.
3747 2010-04-07 Richard Guenther <rguenther@suse.de>
3749 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3750 Propagate constants everywhere.
3752 2010-04-07 Jakub Jelinek <jakub@redhat.com>
3755 * tree.c (MAX_INT_CACHED_PREC): Define.
3756 (nonstandard_integer_type_cache): New array.
3757 (build_nonstandard_integer_type): Cache results for precision
3758 <= MAX_INT_CACHED_PREC.
3760 2010-04-07 Richard Guenther <rguenther@suse.de>
3762 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3763 -fargument-noalias-global, -fargument-noalias-anything): Remove.
3764 * common.opt: Likewise.
3765 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3766 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3767 (nonoverlapping_memrefs_p): Likewise.
3768 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3769 * opts.c (common_handle_option): Handle OPT_fargument_alias,
3770 OPT_fargument_noalias, OPT_fargument_noalias_anything and
3771 OPT_fargument_noalias_global for backward compatibility.
3773 2010-04-07 Richard Guenther <rguenther@suse.de>
3775 PR tree-optimization/43270
3776 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3777 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3778 * tree-ssa-pre.c (phi_translate_1): Adjust.
3779 (fully_constant_expression): Split out vn_reference handling to ...
3780 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3781 Fold reads from constant strings.
3782 (vn_reference_lookup): Handle fully constant references.
3783 (vn_reference_lookup_pieces): Likewise.
3784 * Makefile.in (expmed.o-warn): Add -Wno-error.
3786 2010-04-07 Martin Jambor <mjambor@suse.cz>
3788 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3790 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
3793 * gcc.c: Add -static-libstdc++ to list of recognized options.
3795 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3797 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3799 2010-04-07 Richard Guenther <rguenther@suse.de>
3802 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3803 bases build simple mem attributes to retain points-to information.
3805 2010-04-07 Richard Guenther <rguenther@suse.de>
3808 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3809 preserve points-to related information.
3811 2010-04-07 Richard Guenther <rguenther@suse.de>
3814 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3815 discard plain indirect references.
3816 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3817 * tree.c (tree_nop_conversion): Likewise.
3819 2010-04-07 Dodji Seketeli <dodji@redhat.com>
3822 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3824 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
3826 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3827 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3829 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3831 * tree-if-conv.c: Fix indentation and comments.
3833 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3835 * tree-if-conv.c: Sort static functions in topological order.
3837 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
3839 * tree-if-conv.c: Fix indentation and comments.
3841 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3844 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3845 lang_hooks.types.type_for_size instead of
3846 build_nonstandard_integer_type.
3847 When converting an unsigned type to signed, double its precision.
3848 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3849 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3850 (graphite_create_new_loop_guard): When ub + 1 wraps around,
3853 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3856 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3857 POINTER_PLUS_EXPR for pointer types.
3859 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3862 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3863 * graphite-clast-to-gimple.c: Include langhooks.h.
3864 (max_signed_precision_type): New.
3865 (max_precision_type): Takes two types as arguments.
3866 (precision_for_value): New.
3867 (precision_for_interval): New.
3868 (gcc_type_for_interval): New.
3869 (gcc_type_for_value): New.
3870 (gcc_type_for_clast_term): New.
3871 (gcc_type_for_clast_red): New.
3872 (gcc_type_for_clast_bin): New.
3873 (gcc_type_for_clast_expr): Split up into several functions.
3874 (gcc_type_for_clast_eq): Rewritten.
3875 (compute_bounds_for_level): New.
3876 (compute_type_for_level_1): New.
3877 (compute_type_for_level): New.
3878 (gcc_type_for_cloog_iv): Removed.
3879 (gcc_type_for_iv_of_clast_loop): Rewritten.
3880 (graphite_create_new_loop): Compute the lower and upper bound types
3881 with gcc_type_for_clast_expr.
3882 (graphite_create_new_loop_guard): Same.
3883 (find_cloog_iv_in_expr): Removed.
3884 (compute_cloog_iv_types_1): Removed.
3885 (compute_cloog_iv_types): Removed.
3886 (gloog): Do not call compute_cloog_iv_types.
3887 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3889 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3890 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3891 (GBB_CLOOG_IV_TYPES): Removed.
3893 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3895 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3896 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3897 (detect_commutative_reduction): Same.
3899 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3901 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3902 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
3904 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3905 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3906 (rewrite_commutative_reductions_out_of_ssa): Same.
3907 * passes.c (execute_function_todo): Call verify_ssa for every pass
3908 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
3909 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3910 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3911 with an extra argument.
3912 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
3913 verify_ssa only when the extra argument is true.
3914 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3915 with an extra argument.
3916 (tree_transform_and_unroll_loop): Same.
3918 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
3920 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3921 for all the passes of the LNO having LOOP_CLOSED_SSA.
3922 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3923 * tree-loop-distribution.c (pass_loop_distribution): Same.
3924 * tree-pass.h (TODO_verify_loops): Removed.
3925 * tree-ssa-loop.c (pass_tree_loop_init): Same.
3927 (pass_tree_unswitch): Same.
3928 (pass_predcom): Same.
3929 (pass_vectorize): Same.
3930 (pass_linear_transform): Same.
3931 (pass_graphite_transforms): Same.
3932 (pass_iv_canon): Same.
3933 (pass_complete_unroll): Same.
3934 (pass_complete_unrolli): Same.
3935 (pass_parallelize_loops): Same.
3936 (pass_loop_prefetch): Same.
3937 (pass_iv_optimize): Same.
3939 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
3942 * passes.c (init_optimization_passes): Move pass_lim before
3943 pass_copy_prop and pass_dce_loop.
3945 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3948 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3949 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3950 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3951 MULTI_* defines for 4 argument vpermil2p* builtins.
3953 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3955 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3956 * config/i386/i386.c (x86_maybe_negate_const_int): New.
3957 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3958 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3959 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3960 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3961 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3962 Use x86_maybe_negate_const_int to output insn mnemonic.
3963 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
3964 check from instruction predicate. Update comments.
3965 * config/i386/sync.md (sync_add<mode>): Use
3966 x86_maybe_negate_const_int to output insn mnemonic.
3968 2010-04-06 Jan Hubicka <jh@suse.cz>
3970 PR tree-optimization/42906
3971 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3972 IGNORE_SELF argument. Set visited_control_parents for fully
3974 (find_obviously_necessary_stmts): Update call of
3975 mark_control_dependent_edges_necessary.
3976 (propagate_necessity): Likewise. Handle PHI edges more curefully.
3978 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
3980 * config/i386/i386.md: Remove comment about 'e' and 'E'
3983 2010-04-06 Richard Guenther <rguenther@suse.de>
3985 PR tree-optimization/43627
3986 * tree-vrp.c (extract_range_from_unary_expr): Widenings
3987 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3990 2010-04-06 Jakub Jelinek <jakub@redhat.com>
3992 * BASE-VER: Change to 4.6.0.
3995 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3998 2010-04-06 Richard Guenther <rguenther@suse.de>
4001 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
4003 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4005 * doc/invoke.texi (Optimize Options): Document that LTO
4006 won't remove object access purely due to incompatible
4009 2010-04-04 Matthias Klose <doko@ubuntu.com>
4011 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
4012 Initialize variable.
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