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1 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
2
3         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
4         this is also meaningful on PARM_DECLs and RESULT_DECLs.
5
6 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7
8         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
9
10 2010-05-07  Richard Guenther  <rguenther@suse.de>
11
12         PR tree-optimization/44020
13         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
14         code when PRE is not yet initialized.
15
16 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
17
18         * config/mips/dbxmdebug.h: Remove.
19         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
20
21 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
22
23         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
24         with null pointer and also warn about ordered comparison of zero with
25         pointer if -Wextra.
26
27 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
28
29         * graphite-blocking.c
30         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
31         * graphite-clast-to-gimple.c
32         (clast_to_gcc_expression): Same.
33         (precision_for_value): Same.
34         (precision_for_interval): Same.
35         (gcc_type_for_interval): Same.
36         (graphite_create_new_guard): Same.
37         (compute_bounds_for_level): Same.
38         (graphite_create_new_loop_guard): Same.
39         * graphite-interchange.c
40         (build_linearized_memory_access): Same.
41         (pdr_stride_in_loop): Same.
42         (memory_strides_in_loop_1): Same.
43         (memory_strides_in_loop): Same.
44         (extend_scattering): Same.
45         (psct_scattering_dim_for_loop_depth): Same.
46         (pbb_number_of_iterations): Same.
47         * graphite-poly.h
48         (debug_iteration_domains): Same.
49         * graphite-ppl.c
50         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
51         (ppl_set_inhomogeneous_gmp): Same.
52         (ppl_strip_loop): Same.
53         (ppl_lexico_compare_linear_expressions): Same.
54         (ppl_read_polyhedron_matrix): Same.
55         (ppl_max_for_le_pointset): Same.
56         * graphite-ppl.h
57         (ppl_read_polyhedron_matrix): Same.
58         (tree_int_to_gmp): Same.
59         (gmp_cst_to_tree): Same.
60         (ppl_set_inhomogeneous): Same.
61         (ppl_set_inhomogeneous_tree): Same.
62         (ppl_set_coef): Same.
63         (ppl_set_coef_tree): Same.
64         * graphite-sese-to-poly.c
65         (build_pbb_scattering_polyhedrons): Same.
66         (build_scop_scattering): Same.
67         (scan_tree_for_params_right_scev): Same.
68         (scan_tree_for_params): Same.
69         (find_params_in_bb): Same.
70         (find_scop_parameters): Same.
71         (add_upper_bounds_from_estimated_nit): Same.
72         (build_loop_iteration_domains): Same.
73         (add_condition_to_domain): Same.
74         (pdr_add_memory_accesses): Same.
75
76 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
77
78         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
79         CLooG's value_* macros to their respective mpz_* counterparts.
80         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
81         (graphite_create_new_loop_guard): Same.
82         * graphite-interchange.c (build_linearized_memory_access): Same.
83         (pdr_stride_in_loop): Same.
84         (memory_strides_in_loop_1): Same.
85         (1st_interchange_profitable_p): Same.
86         * graphite-poly.c (extend_scattering): Same.
87         (psct_scattering_dim_for_loop_depth): Same.
88         (pbb_number_of_iterations): Same.
89         (pbb_number_of_iterations_at_time): Same.
90         * graphite-poly.h (new_1st_loop): Same.
91         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
92         (oppose_constraint): Same.
93         (insert_constraint_into_matrix): Same.
94         (ppl_set_inhomogeneous_gmp): Same.
95         (ppl_set_coef_gmp): Same.
96         (ppl_strip_loop): Same.
97         (ppl_lexico_compare_linear_expressions): Same.
98         (ppl_max_for_le_pointset): Same.
99         (ppl_min_for_le_pointset): Same.
100         (ppl_build_realtion): Same.
101         * graphite-ppl.h (gmp_cst_to_tree): Same.
102         (ppl_set_inhomogeneous): Same.
103         (ppl_set_inhomogeneous_tree): Same.
104         (ppl_set_coef): Same.
105         (ppl_set_coef_tree): Same.
106         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
107         (build_scop_scattering): Same.
108         (add_value_to_dim): Same.
109         (scan_tree_for_params_right_scev): Same.
110         (scan_tree_for_params_int): Same.
111         (scan_tree_for_params): Same.
112         (find_params_in_bb): Same.
113         (find_scop_parameters): Same.
114         (add_upper_bounds_from_estimated_nit): Same.
115         (build_loop_iteration_domains): Same.
116         (create_linear_expr_from_tree): Same.
117         (add_condition_to_domain): Same.
118         (pdr_add_memory_accesses): Same.
119
120 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
121             Jason Merrill  <jason@redhat.com>
122
123         * c-common.c (c_common_reswords): Add nullptr.
124         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
125         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
126         (gen_type_die_with_usage): Likewise.
127         * dbxout.c (dbxout_type): Likewise.
128         * sdbout.c (plain_type_1): Likewise.
129
130 2010-05-06  Jason Merrill  <jason@redhat.com>
131
132         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
133         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
134         ret appropriately.
135         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
136
137         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
138         stripping WITH_SIZE_EXPR.
139         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
140         change.
141
142 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
143
144         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
145         list of obsolete configurations.
146         Disabled check for obsolete configurations.
147         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
148         Removed support for previous versions.
149         * config/mips/iris.h: Removed.
150         * config/mips/iris5.h: Removed.
151         * config/mips/iris6.h: Merged old iris.h contents.
152         (TARGET_IRIX): Removed.
153         (DRIVER_SELF_SPECS): Removed mabi=32.
154         (IDENT_ASM_OP): Removed undef.
155         (STARTFILE_SPEC): Removed mabi=32.
156         (ENDFILE_SPEC): Likewise.
157         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
158         (MACHINE_TYPE): Update for IRIX 6.5.
159         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
160         TARGET_IRIX by TARGET_IRIX6.
161         (mips_file_start): Likewise.
162         (mips_output_external): Remove IRIX 5/6 O32 support.
163         (mips_output_function_prologue): Likewise.
164         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
165         TARGET_IRIX6.
166         (TARGET_CPU_CPP_BUILTINS): Likewise.
167         (TARGET_IRIX): Removed.
168         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
169         (MULTILIB_DIRNAMES): Removed 32.
170         (MULTILIB_OSDIRNAMES): Removed ../lib.
171         * doc/install.texi (Prerequisites): Don't reference IRIX before
172         6.5.
173         (Specific, mips-sgi-irix5): Document removal.
174         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI
175         removal.
176         Remove references to older IRIX 6 releases and the O32 ABI.
177
178 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
179
180         * gcc.dg/Wunused-var-8.c: Move to...
181         * c-c++-common/Wunused-var-6.c: ... here.  New test.
182
183         PR bootstrap/43994
184         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
185         instead of DF_REF_REAL_REG.
186
187 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
188
189         PR target/43888
190         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
191         handling to still return true for x64 targets.
192
193 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
194
195         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
196
197 2010-05-06  Jan Hubicka  <jh@suse.cz>
198
199         PR tree-optimization/43791
200         * ipa-inline.c (update_caller_keys): Remove bogus
201         disregard_inline_limits check.
202
203 2010-05-06  Michael Matz  <matz@suse.de>
204
205         PR tree-optimization/43984
206         * tree-ssa-pre.c (inserted_phi_names): Remove.
207         (inserted_exprs): Change to bitmap.
208         (create_expression_by_pieces): Set bits, don't append to vector.
209         (insert_into_preds_of_block): Don't handle inserted_phi_names.
210         (eliminate): Don't look at inserted_phi_names, remove deleted
211         insns from inserted_exprs.
212         (remove_dead_inserted_code): Adjust to use bitmaps instead of
213         vectors.
214         (init_pre, fini_pre): Allocate and free bitmaps.
215         (execute_pre): Insert insns on edges before elimination.
216
217 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
218
219         * tree.c (initializer_zerop): Handle STRING_CST.
220
221 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
222
223         PR 40989
224         * doc/invoke.texi (Wimplicit): Document as C only.
225         * opts.c (common_handle_option): Add argument kind.
226         (handle_option): Rename as read_cmdline_option. Factor out code to...
227         (handle_option): ... here. New.
228         (handle_options): Rename as read_cmdline_options.
229         (decode_options): Update call.
230         (set_option): Use option index instead of option pointer. Classify
231         diagnostics correctly.
232         (enable_warning_as_error): Call handle_option.
233         * opts.h (set_option): Update declaration.
234         (handle_option): Declare.
235         * langhooks.h (struct lang_hooks): Add argument kind to
236         handle_option.
237         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
238         * c-opts.c (set_Wimplicit): Delete.
239         (c_family_lang_mask): New static constant.
240         (c_common_handle_option): Add argument kind. Use handle_option
241         instead of set_Wimplicit.
242         (c_common_post_options): warn_implicit and warn_implicit_int
243         are disabled by default.
244         * c-common.c (warn_implicit): Do not define here.
245         * c-common.h (warn_implicit): Do not declare here.
246         (c_common_handle_option): Update declaration.
247         * lto-opts.c (lto_reissue_options): Update call to set_option.
248
249 2010-05-06  Richard Guenther  <rguenther@suse.de>
250
251         PR tree-optimization/43571
252         * domwalk.c (walk_dominator_tree): Walk the dominator
253         sons in more optimal order.
254
255 2010-05-06  Richard Guenther  <rguenther@suse.de>
256
257         PR tree-optimization/43934
258         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
259         (stmt_cost): Likewise.
260         (extract_true_false_args_from_phi): New helper.
261         (determine_max_movement): For PHI nodes verify we can hoist them
262         and compute their cost.
263         (determine_invariantness_stmt): Handle PHI nodes.
264         (move_computations_stmt): Likewise.  Hoist PHI nodes in
265         if-converted form using COND_EXPRs.
266         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI
267         nodes.
268         (tree_ssa_lim): Likewise.
269         * tree-flow.h (tree_ssa_lim): Adjust prototype.
270         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
271
272 2010-05-06  Richard Guenther  <rguenther@suse.de>
273
274         PR tree-optimization/43987
275         * tree-ssa-structalias.c (could_have_pointers): For possibly
276         address-taken variables force pointers to be recorded.
277         (create_variable_info_for_1): Likewise.
278         (push_fields_onto_fieldstack): Pass in wheter all fields
279         must have pointers.
280         (find_func_aliases): Query types instead of vars whether
281         they contain pointers where appropriate.
282
283 2010-05-06  Jan Hubicka  <jh@suse.cz>
284
285         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
286         (record_reference, mark_address, mark_load, mark_store): Record
287         references.
288         (record_references_in_initializer): Update call of record_references.
289         (rebuild_cgraph_edges): Remove all references before rebuiding.
290         * cgraph.c (cgraph_create_node): Clear ref list.
291         (cgraph_remove_node): Remove references.
292         (dump_cgraph_node): Dump references.
293         (cgraph_clone_node): Clone references.
294         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
295         (struct cgraph_node, varpool_node): Add ref_lst.
296         * ipa-ref.c: New file.
297         * ipa-ref.h: New file.
298         * ipa-ref-inline.h: New file.
299         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
300         (referenced_from_other_partition_p): New function.
301         (lto_output_varpool_node): Take set arugment; call
302         referenced_from_other_partition.
303         (lto_output_ref): New.
304         (add_references): New.
305         (output_refs): New.
306         (output_cgraph): Compute boundary based on references;
307         output refs.
308         (output_varpool): Accept cgraph_node_set argument.
309         (input_ref): New.
310         (input_refs): New.
311         (input_cgraph): Call input_refs.
312         * lto-section-in.c (lto_section_name): Add refs.
313         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
314         (ipa-ref.o): New file.
315         * varpool.c (varpool_node): Clear ipa ref list.
316         (varpool_remove_node): Remove references.
317         (dump_varpool_node): Dump references.
318         (varpool_assemble_decl): Only compile finalized ones.
319         (varpool_extra_name_alias): Initialize ref list.
320         * lto-streamer.c (lto-get_section_name): Add .refs section.
321         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
322         (referenced_from_other_partition_p): Declared.
323
324 2010-05-06  Ira Rosen  <irar@il.ibm.com>
325
326         PR tree-optimization/43901
327         * tree-vect-stmts.c (vectorizable_call): Assert that vector
328         type is not NULL if it's transformation phase, and return
329         FALSE if it's analysis.
330         (vectorizable_conversion, vectorizable_operation, 
331         vectorizable_type_demotion, vectorizable_type_promotion):
332         Likewise.
333
334 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
335
336         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
337         Delete.
338         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
339         New define.
340         * config/mips/mips-protos.h
341         (mips_small_register_classes_for_mode_p): Delete prototype.
342
343 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
344
345         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
346         * config/arm/arm.c (multiple_operation_profitable_p,
347         compute_offset_order): New static functions.
348         (load_multiple_sequence, store_multiple_sequence): Use them.
349         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
350         memory offsets, not register numbers.
351         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
352
353 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
354
355         * stor-layout.c (pending_sizes): Change the type to
356         VEC(tree,gc) *.
357         (get_pending_sizes, put_pending_size, put_pending_sizes):
358         Update the uses of pending_sizes.
359         * c-decl.c (store_parm_decls): Likewise.
360         * c-tree.h (struct c_arg_info): Likewise.
361         * tree.h: Update the prototype for get_pending_sizes and
362         put_pending_sizes.
363
364 2010-05-05  Jason Merrill  <jason@redhat.com>
365
366         PR debug/43370
367         * c-common.c (handle_aligned_attribute): Respect
368         ATTR_FLAG_TYPE_IN_PLACE.
369
370         PR testsuite/43758
371         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
372         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
373         (TARGET_INITIALIZER): Use it.
374         * c-common.c (attribute_takes_identifier_p): Call it.
375         * c-common.h: Update prototype.
376         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
377         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
378
379 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
380
381         PR debug/43950
382         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
383         DW_ID_down_case for Fortran compilation units.
384
385 2010-05-05  Jan Hubicka  <jh@suse.cz>
386
387         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
388         handle aliases.
389
390 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
391
392         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
393         a variable-sized RESULT_DECL.
394
395 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
396
397         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
398
399 2010-05-05  Jason Merrill  <jason@redhat.com>
400
401         PR c++/43787
402         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
403         returns GS_OK.
404         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
405
406 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
407             Jakub Jelinek  <jakub@redhat.com>
408
409         PR debug/43478
410         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
411         (dead_debug_init, dead_debug_finish): New functions.
412         (dead_debug_add, dead_debug_insert_before): Likewise.
413         (df_note_bb_compute): Initialize a dead_debug object, add dead
414         debug uses to it, insert debug bind insns before death insns,
415         reset debug insns that refer to pending uses at the end.
416         * rtl.h (make_debug_expr_from_rtl): New prototype.
417         * varasm.c (make_debug_expr_from_rtl): New function.
418
419 2010-05-05  Jan Hubicka  <jh@suse.cz>
420
421         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
422         (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
423         lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
424         lto_varpool_encoder_encode_initializer_p,
425         lto_set_varpool_encoder_encode_initializer): New functions.
426         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
427         call output_varpool.
428         (input_varpool_node): Do not always set analyzed.
429         (input_cgraph_1): Return vector of cgraph nodes.
430         (input_varpool_1): Return vector of varpools.
431         (input_cgraph): Free the vectors.
432         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
433         output only initializers needed.
434         (lto_output): Only call output_cgraph.
435         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
436         * lto-section-out.c (lto_new_out_decl_state): Initialize
437         state->varpool_node_encoder.
438         * lto-streamer.h (lto_varpool_encoder_d): New.
439         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.     
440         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
441         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
442         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
443         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
444         Declare.
445         (output_varpool, input_varpool): Remove declarations.
446
447 2010-05-05  Jan Hubicka  <jh@suse.cz>
448
449         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
450         with body can prevail.
451
452 2010-05-05  Jan Hubicka  <jh@suse.cz>
453
454         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
455         size.
456
457 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
458
459         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
460         dependencies.
461
462         * gengtype.h (erro_at_line): Constify pos argument.
463
464         * gengtype.c: Include hashtab.h.
465         (enum gc_used): Document GC_MAYBE_POINTED_TO.
466         (error_at_line): Constify pos argument.
467         (do_typedef): Initialize p->opt field.
468         (get_file_gtfilename): Fix comment typo.
469         (struct walk_type_data): Constify line field.
470         (get_output_file_for_structure): New function.
471         (write_local_func_for_structure): Constify orig_s argument.
472         Use get_output_file_for_structure.
473         (write_func_for_structure): Use get_output_file_for_structure.
474         (INDENT): New define.
475         (dump_pair, dump_type, dump_type_list, dump_typekind)
476         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
477         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
478         functions.
479         (seen_types): New variable.
480         (main): New variable do_dump.  Process "-d" command line option.
481         Call dump_everything if dump requested.
482
483 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
484
485         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
486         in a temporary instead of invoking the macro multiple times.
487         (track_expr_p): Likewise.
488
489 2010-05-04  Neil Vachharajani <nvachhar@google.com>
490
491         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
492         per new semantics.
493         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
494         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
495         conditions for printing notes.
496         * common.opt (-Wcoverage-mismatch): Allow negative, default to
497         true, update documentation.
498         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
499
500 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
501
502         PR c/43981
503         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
504         on dimen.
505
506 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
507
508         PR target/43799
509         * config/i386/i386.md (sse_prologue_save): Add clobber CC
510         register.
511         (*sse_prologue_save_insn1): Likewise.
512         (SSE prologue save splitter): Likewise.
513
514 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
515
516         * tree.c (free_lang_data_in_one_sizepos): New inline function.
517         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
518         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
519         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
520         all decls.  Call it on DECL_FIELD_OFFSET of fields.
521         (find_decls_types_r): Follow DECL_VALUE_EXPR.
522         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
523
524 2010-05-04  Martin Jambor  <mjambor@suse.cz>
525
526         * tree-sra.c (build_access_from_expr_1): The first parameter type
527         changed to simple tree.
528         (build_access_from_expr): Likewise, gsi parameter was eliminated.
529         (scan_assign_result): Renamed to assignment_mod_result, enum elements
530         renamed as well.
531         (build_accesses_from_assign): Removed all parameters except for a
532         simple gimple statement.  Now returns a simple bool.
533         (scan_function): All non-analysis parts moved to separate functions
534         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
535         parameters and updated both callers.
536         (sra_modify_expr): Removed parameter data.
537         (sra_modify_function_body): New function.
538         (perform_intra_sra): Call sra_modify_function_body to modify the
539         function body.
540         (replace_removed_params_ssa_names): Parameter data changed into
541         adjustments vector.
542         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
543         changed the parameter dont_convert to convert with the opposite
544         meaning.
545         (sra_ipa_modify_assign): Parameter data changed into adjustments
546         vector, return value changed to bool.
547         (ipa_sra_modify_function_body): New function.
548         (sra_ipa_reset_debug_stmts): Updated a comment.
549         (modify_function): Use ipa_sra_modify_function_body to modify function
550         body.
551
552 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
553
554         PR middle-end/43671
555         * alias.c (true_dependence): Handle the same VALUE in x and mem.
556         (canon_true_dependence): Likewise.
557         (write_dependence_p): Likewise.
558
559 2010-05-04  Jan Hubicka  <jh@suse.cz>
560
561         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
562         * cgraphbuild.c: Include ipa-utils.h
563         (record_reference_ctx): New struct.
564         (record_reference): Simplify to work on initializers; not statements.
565         (mark_address, mark_load, mark_store): New.
566         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
567         walk PHI nodes too.
568         (record_references_in_initializer): Update use of record_reference.
569         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
570         walk PHI nodes too.
571
572 2010-05-04  Jan Hubicka  <jh@suse.cz>
573
574         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
575         node will be removed anyway.
576         (lto_varpool_replace_node): Allow also unanalyzed nodes;
577         relink aliases of node into prevailing node.
578         * varpool.c (varpool_remove_node): Remove aliases properly;
579         when removing node, remove all its aliases too; remove DECL_INITIAL
580         of removed node; ggc_free the varpool node.
581
582 2010-05-04  Richard Guenther  <rguenther@suse.de>
583
584         PR tree-optimization/43879
585         * tree-ssa-structalias.c (alias_get_name): Use
586         DECL_ASSEMBLER_NAME if available.
587         (create_function_info_for): Return the varinfo node.
588         (ipa_pta_execute): Associate same-body aliases and extra names
589         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
590
591 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
592
593         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
594         static.
595
596 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
597
598         PR bootstrap/43964
599         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
600         only if HONOR_REG_ALLOC_ORDER is not defined.
601
602 2010-05-04  Richard Guenther  <rguenther@suse.de>
603
604         PR tree-optimization/43949
605         * tree-vrp.c (extract_range_from_binary_expr): Only handle
606         TRUNC_MOD_EXPR.
607
608 2010-04-26  Jason Merrill  <jason@redhat.com>
609
610         * c.opt (-fstrict-enums): New.
611         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
612
613 2010-05-03  David Ung <davidu@mips.com>
614             James E. Wilson  <wilson@codesourcery.com>
615
616         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
617         emit the trap instruction before the divide for TUNE_74K.
618
619 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
620
621         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
622         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
623         based on the above, for new target hook.
624
625         * hooks.c (hook_bool_mode_true): New generic hook.
626         * hooks.h (hook_bool_mode_true): Add prototype.
627
628         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
629         target hook.
630         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
631         target hook, set to hook_bool_mode_false.
632         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
633         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
634         with targetm.small_register_classes_for_mode_p.
635         (find_reusable_reload): Likewise.
636         (combine_reloads): Likewise.
637         * reload1.c (reload_as_needed): Likewise.
638         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
639         * ifcvt.c (noce_process_if_block, check_cond_move_block,
640         dead_or_predicable): Likewise.
641         * regmove.c (optimize_reg_copy_1): Likewise.
642         * calls.c (prepare_call_address): Likewise.
643         (precompute_register_parameters): Likewise.
644
645         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
646         hook definition.
647         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
648         implementation of the hook that considers all register classes
649         small except for SH64.
650         (sh_override_options): Use the new hook.
651         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
652         Add prototype.
653
654         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
655         hook definition.
656         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
657         implementation of the hook that considers all register classes
658         small for THUMB1.
659         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
660         Add prototype.
661
662         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
663         hook definition.
664         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
665         implementation of the hook that considers all register classes
666         small for MIPS16.
667         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
668         Add prototype.
669
670         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
671         hook definition.
672         * config/m32c/m32c.h: Likewise.
673         * config/pdp11/pdp11.h: Likewise.
674         * config/avr/avr.h: Likewise.
675         * config/xtensa/xtensa.h: Likewise.
676         * config/m68hc11/m68hc11.h: Likewise.
677         * config/mn10300/mn10300.h: Likewise.
678         * config/mcore/mcore.h: Likewise.
679         * config/h8300/h8300.h: Likewise.
680         * config/bfin/bfin.h: Likewise.
681
682         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
683         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
684
685 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
686
687         * double-int.h (tree_to_double_int): Remove macro.
688         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
689         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
690         (tree_to_double_int): New function.
691         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
692         Move ...
693         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
694
695 2010-05-03  Richard Guenther  <rguenther@suse.de>
696
697         PR tree-optimization/43971
698         * tree-ssa-structalias.c (get_constraint_for_1): Fix
699         constraints in the !flag_delete_null_pointer_checks case.
700
701 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
702
703         PR debug/43972
704         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
705         result mode matches original rtl mode.
706
707 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
708
709         PR target/43888
710         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
711
712 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
713
714         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
715         when processing flag options.
716
717 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
718
719         * gcov-iov.c (main): Change format string placeholder
720         from %#08x to 0x%08x.
721         * genchecksum.c (dosum): Change format string placeholder
722         from %#02x to 0x%02x.
723
724 2010-05-02  Richard Guenther  <rguenther@suse.de>
725
726         PR tree-optimization/43879
727         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
728
729 2010-05-02  Bruno Haible  <bruno@clisp.org>
730
731         * doc/extend.texi (Function Attributes): Fix a typo.
732
733 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
734
735         Revert:
736         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
737         placeholder from 0x%x to %#x.
738         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
739         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
740         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
741         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
742         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
743         * config/i386/i386.c (ix86_target_string): Ditto.
744         * config/i386/i386.c (output_pic_addr_const): Ditto.
745         (print_operand): Ditto.
746
747 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
748
749         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
750         placeholder from 0x%x to %#x.
751         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
752         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
753         (ASM_OUTPUT_DEBUG_DATA): Ditto.
754         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
755         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
756         * optc-gen.awk: Ditto.
757         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
758         (HOST_WIDE_INT_PRINT_HEX): Ditto.
759         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
760         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
761
762 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
763
764         * target.h (struct calls): Add function_value_regno_p field.
765         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
766         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
767         * targhooks.c (default_function_value_regno_p): New function.
768         * targhooks.h (default_function_value_regno_p): Declare function.
769         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
770         * builtins.c. (apply_result_size): (Ditto.).
771         * combine.c. (likely_spilled_retval_p): (Ditto.).
772         * mode-switching.c. Include 'target.h'.
773         (create_pre_exit): Use function_value_regno_p hook.
774         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
775         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
776         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
777
778         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
779         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
780         (ix86_function_value_regno_p): Declare as static, change argument
781         type to const unsigned int.
782         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
783
784 2010-05-01  Richard Guenther  <rguenther@suse.de>
785
786         PR tree-optimization/43949
787         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
788         types.
789         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
790
791 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
792
793         * rtl.h (CONST_DOUBLE_P): Define.
794         (rtx_to_double_int): Declare.
795         * emit-rtl.c (rtx_to_double_int): New function.
796         * dwarf2out.c (insert_double): New function.
797         (loc_descriptor, add_const_value_attribute): Clean up, use
798         rtx_to_double_int and insert_double functions.
799
800 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
801
802         * doc/extend.texi (Inline): Add missing return keyword to examples.
803         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
804         "command-line".
805
806 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
807
808         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
809         the variable part of the offset as well.  Use highest_pow2_factor for
810         all alignment checks.
811
812 2010-04-30  Richard Guenther  <rguenther@suse.de>
813
814         PR tree-optimization/43879
815         * tree-ssa-structalias.c (type_could_have_pointers): Functions
816         can have pointers.
817
818 2010-04-30  Jan Hubicka  <jh@suse.cz>
819
820         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
821         varpool.
822         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
823
824 2010-04-30  Jan Hubicka  <jh@suse.cz>
825
826         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
827         New.
828         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
829         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
830         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
831         cgraph_node_set_needs_ltrans_p): Remove.
832
833 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
834
835         * sdbout.c: Include vec.h, do not include varray.h.
836         (deferred_global_decls, sdbout_global_decl,
837         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
838         * toplev.c: Do not include varray.h.
839         (dump_memory_report): Do not dump VARRAY statistics.
840         * gengtype.c (open_base_file): Ignore varray.h.
841         * Makefile.in: Update for abovementioned changes.
842         Remove all traces of varray.c and varray.h.
843         * varray.c: Remove file.
844         * varray.h: Remove file.
845
846 2010-04-30  Jan Hubicka  <jh@suse.cz>
847
848         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
849         references.
850
851 2010-04-30  Jan Hubicka  <jh@suse.cz>
852
853         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
854         needed.
855
856 2010-04-30  Richard Guenther  <rguenther@suse.de>
857
858         * tree-ssa-structalias.c (get_constraint_for_1): Generate
859         constraints for CONSTRUCTOR.
860
861 2010-04-30  Richard Guenther  <rguenther@suse.de>
862
863         PR lto/43946
864         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
865         first after all lowering passes.
866
867 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
868
869         * toplev.c: Include varray.h for statistics dumping.
870         * tree.h: Do not declare varray_head_tag.
871         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
872         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
873         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
874         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
875         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
876         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
877         c-common.c, c-common.h, reg-stack.c, basic-block.h,
878         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
879         include varray.h.
880         * Makefile.in: Update for abovementioned changes.
881
882 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
883
884         PR debug/43942
885         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
886
887 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
888
889         * config/picochip/picochip.c (picochip_legitimize_address): Define.
890         Use this function to do machine-specific conversion.
891         (picochip_legitimize_reload_address): Likewise.
892         (picochip_legitimate_address_p): Check valid base register only if
893         strict.
894         (picochip_check_conditional_copy): Check for modw only if opnd is
895         register.
896         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
897         to call the function in c.
898         * config/picochip/picochip-protos.h
899         (picochip_legitimize_reload_address): Define.
900         * config/picochip/picochip.md (supported_compare1): Define.
901
902 2010-04-30  Jan Hubicka  <jh@suse.cz>
903
904         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
905         (cgraph_global_info): Remove inlined.
906         (LTO_cgraph_tag_names): Remove.
907         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
908         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
909         simplify cgraph tags and document.
910         (lto_output_node): Use only LTO_cgraph_unavail_node and
911         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
912         for_functions_valid, global info, process and output flags.
913         (input_overwrite_node): Initialize estimated stack size and
914         estimated growth.  Do not read flags we no longer store.
915         (input_node): Likewise do not read info no longer stored.
916         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
917         flag.
918
919 2010-04-30  Richard Guenther  <rguenther@suse.de>
920
921         PR tree-optimization/43879
922         * tree-ssa-structalias.c (get_constraint_for_1): Properly
923         handle non-zero initializers.
924
925 2010-04-30  Richard Guenther  <rguenther@suse.de>
926
927         * builtins.c (fold_builtin_1): Delete free (0).
928
929 2010-04-29  Jan Hubicka  <jh@suse.cz>
930
931         * gengtype.c (open_base_files): Add lto-streamer.h
932         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
933         (pass_ipa_cp): GGC collect.
934         * toplev. (compile_file): Do not output symbols.
935         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
936         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
937         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
938         * lto-section-in.c: Include ggc.h
939         (lto_new_in_decl_state): Alloc in GGC.
940         (lto_delete_in_decl_state): Likewise.
941         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
942         Collect.
943
944 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
945
946         PR target/42895
947         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
948         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
949         (HONOR_REG_ALLOC_ORDER): Describe new macro.
950         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
951         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
952         account only if HONOR_REG_ALLOC_ORDER is not defined.
953         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
954         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
955
956 2010-04-29  Jon Grant  <04@jguk.org>
957
958         * collect2.c (vflag): Change type from int to bool.
959         (debug): Likewise.
960         (helpflag): New global bool.
961         (main): Set vflag and debug with boolean, not integer truth values.
962         Accept new "--help" option and output usage text if found.
963         * collect2.h (vflag): Update prototype.
964         (debug): Likewise.
965
966 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
967
968         PR bootstrap/43936
969         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
970
971 2010-04-29  Richard Guenther  <rguenther@suse.de>
972
973         PR bootstrap/43935
974         * plugin.h (invoke_plugin_callbacks): Annotate arguments
975         with ATTRIBUTE_UNUSED.
976
977 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
978
979         PR target/43921
980         * config/i386/i386.c (get_some_local_dynamic_name): Replace
981         INSN_P with NONDEBUG_INSN_P.
982         (distance_non_agu_define): Likewise.
983         (distance_agu_use): Likewise.
984
985 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
986
987         From Dominique d'Humieres <dominiq@lps.ens.fr>
988         PR bootstrap/43858
989         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
990         test_set.
991
992 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
993
994         * plugin.h (invoke_plugin_callbacks): New inline function.
995         * plugin.c (flag_plugin_added): New global flag.
996         (add_new_plugin): Initialize above flag.
997         (invoke_plugin_callbacks): Rename to ...
998         (invoke_plugin_callbacks_full): ... this.
999
1000 2010-04-28  Jan Hubicka  <jh@suse.cz>
1001
1002         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1003         (lto_varpool_replace_node): New.
1004         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1005         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1006         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1007         * cgraph.h (varpool_node_ptr): New type.
1008         (varpool_node_ptr): New vector.
1009         (varpool_node_set_def): New structure.
1010         (varpool_node_set): New type.
1011         (varpool_node_set): New vector.
1012         (varpool_node_set_element_def): New structure.
1013         (varpool_node_set_element, const_varpool_node_set_element): New types.
1014         (varpool_node_set_iterator): New type.
1015         (varpool_node): Add prev pointers, add used_from_other_partition,
1016         in_other_partition.
1017         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1018         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1019         varpool_get_node, varpool_remove_node): Declare.
1020         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1021         varpool_node_set_size): New inlines.
1022         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1023         * tree-pass.h (varpool_node_set_def): Forward declare.
1024         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1025         (ipa_write_optimization_summaries): Update prototype.
1026         * ipa-cp.c (ipcp_write_summary): Update.
1027         * ipa-reference.c (ipa_reference_write_summary): Update.
1028         * lto-cgraph.c (lto_output_varpool_node): New static function.
1029         (output_varpool): New function.
1030         (input_varpool_node): New static function.
1031         (input_varpool_1): New function.
1032         (input_cgraph): Input varpool.
1033         * ipa-pure-const.c (pure_const_write_summary): Update.
1034         * lto-streamer-out.c (lto_output): Update, output varpool too.
1035         (write_global_stream): Kill WPA hack.
1036         (produce_asm_for_decls): Update.
1037         (output_alias_pair_p): Handle variables.
1038         (output_unreferenced_globals): Output only needed partition of varpool.
1039         * ipa-inline.c (inline_write_summary): Update.
1040         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1041         cgraph.
1042         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1043         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1044         varpool_node_set_new, varpool_node_set_add,
1045         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1046         debug_varpool_node_set): New functions.
1047         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1048         (execute_one_pass): Process new decls too.
1049         (ipa_write_summaries_2): Pass around vsets.
1050         (ipa_write_summaries_1): Likewise.
1051         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1052         to add.
1053         (ipa_write_optimization_summaries_1): Pass around vsets.
1054         (ipa_write_optimization_summaries): Likewise.
1055         * varpool.c (varpool_get_node): New.
1056         (varpool_node): Update doubly linked lists.
1057         (varpool_remove_node): New.
1058         (dump_varpool_node): More dumping.
1059         (varpool_enqueue_needed_node): Update doubly linked lists.
1060         (decide_is_variable_needed): Kill ltrans hack.
1061         (varpool_finalize_decl): Kill lto hack.
1062         (varpool_assemble_decl): Skip decls in other partitions.
1063         (varpool_assemble_pending_decls): Update doubly linkes lists.
1064         (varpool_empty_needed_queue): Likewise.
1065         (varpool_extra_name_alias): Likewise.
1066         * lto-streamer.c (lto_get_section_name): Add vars section.
1067         * lto-streamer.h (lto_section_type): Update.
1068         (output_varpool, input_varpool): Declare.
1069
1070 2010-04-28  Mike Stump  <mikestump@comcast.net>
1071
1072         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1073
1074 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1075
1076         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1077         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1078         (lto_input_ts_type_tree_pointers): Likewise.
1079         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1080         (lto_output_ts_type_tree_pointers): Likewise.
1081
1082 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1083
1084         Uniquization of constants at the Tree level
1085         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1086         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1087         bit to the end.
1088         (tree_output_constant_def): Declare.
1089         * gimplify.c (gimplify_init_constructor): When using block copy, first
1090         uniquize the constant constructor on the RHS.
1091         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1092         DECL_IN_CONSTANT_POOL flag.
1093         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1094         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1095         constant pool.
1096         (assemble_variable): Deal with symbols belonging to the tree constant
1097         pool.
1098         (get_constant_section): Add ALIGN parameter and simplify.
1099         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1100         (assemble_constant_contents): Use the expression of the VAR_DECL.
1101         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1102         (tree_output_constant_def): New global function.
1103         (mark_constant): Use the expression of the VAR_DECL.
1104         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1105         its expression.
1106         (output_object_block): Likewise and assemble the expression.
1107
1108 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1109
1110         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1111         hash_tree, eq_tree): New tree hash table.
1112         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1113         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1114         lto_orig_address_remove): Reimplement.
1115
1116 2010-04-28  Xinliang David Li  <davidxl@google.com>
1117
1118         PR c/42643
1119         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1120         (compute_uninit_opnds_pos): New function.
1121         (is_non_loop_exit_postdominating): New function.
1122         (compute_control_dep_chain): New function.
1123         (find_pdom): New function.
1124         (convert_control_dep_chain_into_preds): New function.
1125         (find_predicates): New function.
1126         (find_control_equiv_block): New function.
1127         (collect_phi_def_edges): New function.
1128         (find_def_preds): New function.
1129         (find_dom): New function.
1130         (dump_predicates): New function.
1131         (get_cmp_code): New function.
1132         (is_value_included_in): New function.
1133         (find_matching_predicate_in_rest_chains): New function.
1134         (use_pred_not_overlap_with_undef_path_pred): New function.
1135         (is_use_properly_guarded): New function.
1136         (normalize_cond_1): New function.
1137         (is_and_or_or): New function.
1138         (normalize_cond): New function.
1139         (is_gcond_subset_of): New function.
1140         (is_subset_of_any): New function.
1141         (is_or_set_subset_of): New function.
1142         (is_and_set_subset_of): New function.
1143         (is_norm_cond_subset_of): New function.
1144         (is_pred_expr_subset_of): New function.
1145         (is_pred_chain_subset_of): New function.
1146         (is_included_in): New function.
1147         (is_superset_of): New function.
1148         (find_uninit_use): New function.
1149         (warn_uninitialized_phi): New function.
1150         (compute_possibly_undefined_names): New function.
1151         (ssa_undefined_value_p): New function.
1152         (execute_late_warn_uninitialized): New function.
1153         * tree-ssa.c (ssa_undefined_value_p): Removed.
1154         (warn_uninit): Changed to extern.
1155         (warn_uninitialized_phi): Removed.
1156         (warn_uninitialized_vars): Changed to extern.
1157         (execute_late_warn_uninitialized): Removed
1158         * tree-flow.h: Add new prototypes.
1159         * timevar.def: Add new time variable.
1160         * Makefile.in: Add new build file.
1161
1162 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1163
1164         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1165         type if available.
1166
1167 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1168
1169         PR target/22224
1170         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1171
1172 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1173
1174         * cgraph.h (struct cgraph_node): New field indirect_calls.
1175         (struct cgraph_indirect_call_info): New type.
1176         (struct cgraph_edge): Removed field indirect_call. New fields
1177         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1178         (cgraph_create_indirect_edge): Declare.
1179         (cgraph_make_edge_direct): Likewise.
1180         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1181         * ipa-prop.h (struct ipa_param_call_note): Removed.
1182         (struct ipa_node_params): Removed field param_calls.
1183         (ipa_create_all_structures_for_iinln): Declare.
1184         * cgraph.c: Described indirect edges and uids in initial comment.
1185         (cgraph_add_edge_to_call_site_hash): New function.
1186         (cgraph_edge): Search also among the indirect edges, use
1187         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1188         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1189         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1190         site hash.
1191         (initialize_inline_failed): Assign a reason to indirect edges.
1192         (cgraph_create_edge_1): New function.
1193         (cgraph_create_edge): Moved some functionality to
1194         cgraph_create_edge_1.
1195         (cgraph_create_indirect_edge): New function.
1196         (cgraph_edge_remove_callee): Add an assert checking for
1197         non-indirectness.
1198         (cgraph_edge_remove_caller): Special-case indirect edges.
1199         (cgraph_remove_edge): Likewise.
1200         (cgraph_set_edge_callee): New function.
1201         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1202         (cgraph_make_edge_direct): New function.
1203         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1204         the declaration of the call statement matches.
1205         (cgraph_node_remove_callees): Special-case indirect edges.
1206         (cgraph_clone_edge): Likewise.
1207         (cgraph_clone_node): Clone also the indirect edges.
1208         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1209         indirect_call, dump count of indirect_calls edges.
1210         * ipa-prop.c (iinlining_processed_edges): New variable.
1211         (ipa_note_param_call): Create indirect edges instead of
1212         creating notes.  New parameter node.
1213         (ipa_analyze_call_uses): New parameter node, pass it on to
1214         ipa_note_param_call.
1215         (ipa_analyze_stmt_uses): Likewise.
1216         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1217         (print_edge_addition_message): Work on edges rather than on notes.
1218         (update_call_notes_after_inlining): Likewise, renamed to
1219         update_indirect_edges_after_inlining.
1220         (ipa_create_all_structures_for_iinln): New function.
1221         (ipa_free_node_params_substructures): Do not free notes.
1222         (ipa_edge_duplication_hook): Propagate bits within
1223         iinlining_processed_edges bitmap.
1224         (ipa_node_duplication_hook): Do not duplicate notes.
1225         (free_all_ipa_structures_after_ipa_cp): Renamed to
1226         ipa_free_all_structures_after_ipa_cp.
1227         (free_all_ipa_structures_after_iinln): Renamed to
1228         ipa_free_all_structures_after_iinln.g
1229         (ipa_write_param_call_note): Removed.
1230         (ipa_read_param_call_note): Removed.
1231         (ipa_write_indirect_edge_info): New function.
1232         (ipa_read_indirect_edge_info): Likewise.
1233         (ipa_write_node_info): Do not stream notes, do stream information
1234         in indirect edges.
1235         (ipa_read_node_info): Likewise.
1236         (lto_ipa_fixup_call_notes): Removed.
1237         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1238         * ipa-inline.c (pass_ipa_inline): Likewise.
1239         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1240         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1241         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1242         is_gimple_call.
1243         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1244         edges.
1245         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1246         (output_cgraph): Stream also indirect edges.
1247         (lto_output_edge): Added capability to stream indirect edges.
1248         (input_edge): Likewise.
1249         (input_cgraph_1): Likewise.
1250         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1251         of indirect edges.
1252
1253 2010-04-28  Richard Guenther  <rguenther@suse.de>
1254
1255         PR tree-optimization/43879
1256         PR tree-optimization/43909
1257         * tree-ssa-structalias.c (struct variable_info): Add
1258         only_restrict_pointers flag.
1259         (new_var_info): Initialize it.  Increment stats.total_vars here.
1260         (create_function_info_for): Do not increment stats.total_vars
1261         here.
1262         (get_function_part_constraint): Fix build with C++.
1263         (insert_into_field_list): Remove.
1264         (push_fields_onto_fieldstack): Properly merge fields.
1265         (create_variable_info_for): Split and simplify.
1266         (create_variable_info_for_1): New piece.
1267         (intra_create_variable_infos): Properly make restrict constraints
1268         from parameters.
1269
1270 2010-04-28  Richard Guenther  <rguenther@suse.de>
1271
1272         PR c++/43880
1273         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1274
1275 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1276             Jan Hubicka <hubicka@ucw.cz>
1277
1278         * doc/invoke.texi (-Wsuggest-attribute=const,
1279         -Wsuggest-attribute=pure): Document.
1280         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1281         (function_always_visible_to_compiler_p,
1282         suggest_attribute, warn_function_pure, warn_function_const):
1283         New functions.
1284         (check_call): Improve debug info.
1285         (analyze_function): Do not check availability.
1286         (add_new_function): Check availability.
1287         (propagate): Output warnings.
1288         (skip_function_for_local_pure_const): New function.
1289         (local_pure_const): Use it; output warnings.
1290         * common.opt (Wsuggest-attribute=const,
1291         Wsuggest-attribute=pure): New.
1292
1293 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1294
1295         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1296         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1297         or DW_CFA_def_cfa_offset{,_sf}.
1298
1299 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1300
1301         * tree.h: Fix truncated long macros.
1302
1303 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1304
1305         * collect2.c (TARGET_64BIT): Redefine to target's default.
1306         * tlink.c: Likewise.
1307         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1308         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1309         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1310         for underscoring __USER_LABEL_PREFIX__.
1311         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1312         (SUB_LINK_ENTRY32): New.
1313         (SUB_LINK_ENTRY64): New.
1314         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1315         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1316         (SUB_LINK_ENTRY64): New.
1317         (SUB_LINK_ENTRY): New.
1318         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1319         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1320         x64 target is choosen.
1321         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1322         * configure: Regenerated.
1323         * configure.ac (leading-mingw64-underscores): Option added.
1324
1325 2010-04-27  Jan Hubicka  <jh@suse.cz>
1326
1327         * doc/invoke.texi (-fipa-profile): Document.
1328         * opts.c (decode_options): Enable ipa-profile at -O1.
1329         * timevar.def (TV_IPA_PROFILE): Define.
1330         * common.opt (fipa-profile): Add.
1331         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1332         flag for clones.
1333         (cgraph_propagate_frequency): Handle only local ones.
1334         * tree-pass.h (pass_ipa_profile): Declare.
1335         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1336         (pass_ipa_profile): Use TV_IPA_PROFILE.
1337         * ipa.c (ipa_profile): New function.
1338         (gate_ipa_profile): Likewise.
1339         (pass_ipa_profile): New global variable.
1340         * passes.c (pass_ipa_profile): New.
1341
1342 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1343
1344         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1345
1346 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1347
1348         PR middle-end/43812
1349         * ipa.c (dissolve_same_comdat_group_list): New function.
1350         (function_and_variable_visibility): Call
1351         dissolve_same_comdat_group_list when comdat group contains external or
1352         newly local nodes.
1353         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1354         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1355
1356 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1357
1358         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1359         (const_hash_1) <VECTOR_CST>: New case.
1360         (compare_constant) <VECTOR_CST>: Likewise.
1361         <ADDR_EXPR>: Deal with LABEL_REFs.
1362         (copy_constant) <VECTOR_CST>: New case.
1363
1364 2010-04-27  Jan Hubicka  <jh@suse.cz>
1365
1366         * cgraph.c (cgraph_propagate_frequency): New function.
1367         * cgraph.h (cgraph_propagate_frequency): Declare.
1368         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1369         cgraph_propagate_frequency.
1370
1371 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1372
1373         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1374
1375 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1376
1377         PR target/40657
1378         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1379         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1380         here to determine which regs to push and how much stack to reserve.
1381
1382 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1383
1384         * doc/gimple.texi (gimple_statement_with_ops): Remove
1385         addresses_taken field.
1386         (gimple_statement_with_memory_ops): Likewise.
1387
1388 2010-04-27  Jan Hubicka  <jh@suse.cz>
1389
1390         * tree-inline.c (eni_inlining_weights): Remove.
1391         (estimate_num_insns): Special case more builtins.
1392
1393 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1394
1395         PR c/32207
1396         * c-typeck.c (build_binary_op): Move forward check for comparison
1397         pointer with null pointer constant and adjust the diagnostic message.
1398
1399 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1400
1401         PR lto/42776
1402         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1403         binutils supports extended .section directive needed by LTO, or
1404         warn if older binutils found.
1405         (LTO_BINARY_READER): New AC_SUBST'd variable.
1406         (LTO_USE_LIBELF): Likewise.
1407         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1408         variable.
1409         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1410         (LTO_USE_LIBELF): Likewise.
1411         * configure: Regenerate.
1412
1413         * collect2.c (is_elf): Rename from this ...
1414         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1415          object files in addition to ELF-formatted ones.
1416         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1417         symbol to be prefixed or not by an extra underscore.
1418
1419         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1420         * config/i386/winnt.c: Also #include lto-streamer.h
1421         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1422         LTO named sections.
1423         (i386_pe_asm_output_aligned_decl_common): Add comment.
1424         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1425
1426 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1427
1428         PR target/43889
1429         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1430         Add missing earlyclobber for second alternative.
1431
1432 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1433
1434         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1435         bits for artificial defs at the top of the block.
1436         * fwprop.c (single_def_use_enter_block): Don't call it.
1437
1438 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1439
1440         PR 43715
1441         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1442         instead of "$gcc_cv_objdump -T".
1443         Use "-undefined dynamic_lookup" on darwin.
1444         * gcc/configure: Regenerate.
1445
1446 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1447
1448         PR c/43893
1449         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1450
1451 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1452
1453         * c-parser.c (struct c_token): Move location field up.
1454         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1455         (struct c_declspecs): Convert typespec_word, storage_class, and
1456         default_int_p into bitfields.
1457         (struct c_declarator): Move loc field up.
1458
1459 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1460
1461         * cfgloop.h (struct loop): Move can_be_parallel field up.
1462         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1463         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1464         down.
1465         (struct iv_cand): Convert pos field into a bitfield.
1466         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1467         field up.
1468         (struct _stmt_vec_info): Shuffle fields for better packing.
1469
1470 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1471
1472         * varasm.c (IN_NAMED_SECTION): Remove guard.
1473         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1474         (IN_NAMED_SECTION_P): ...this.
1475         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1476         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1477
1478 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1479
1480         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1481         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1482         of shadowing it.  Fix comments.
1483
1484 2010-04-26  Jan Hubicka  <jh@suse.cz>
1485
1486         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1487         (cgraph_clone_node): Copy function frequency.
1488         * cgraph.h (node_frequency): New enum
1489         (struct cgraph_node): Add.
1490         * final.c (rest_of_clean_state): Update.
1491         * lto-cgraph.c (lto_output_node): Output node frequency.
1492         (input_overwrite_node): Input node frequency.
1493         * tre-ssa-loop-ivopts (computation_cost): Update.
1494         * lto-streamer-out.c (output_function): Do not output function
1495         frequency.
1496         * predict.c (maybe_hot_frequency_p): Update and handle functions
1497         executed once.
1498         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1499         attribute lookup.
1500         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1501         (compute_function_frequency): Set noreturn functions to be executed
1502         once.
1503         (choose_function_section): Update.
1504         * lto-streamer-in.c (input_function): Do not input function frequency.
1505         * function.c (allocate_struct_function): Do not initialize function
1506         frequency.
1507         * function.h (function_frequency): Remove.
1508         (struct function): Remove function frequency.
1509         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1510         (try_update): Update.
1511         * tree-inline.c (initialize_cfun): Do not update function frequency.
1512         * passes.c (pass_init_dump_file): Update.
1513         * i386.c (ix86_compute_frame_layout): Update.
1514         (ix86_pad_returns): Update.
1515
1516 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1517
1518         PR tree-optimization/43833
1519         * tree-vrp.c (range_int_cst_p): New.
1520         (range_int_cst_singleton_p): New.
1521         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1522         when both operands are constants.  Use range_int_cst_p in
1523         BIT_IOR_EXPR case.
1524
1525 2010-04-26  Jan Hubicka  <jh@suse.cz>
1526
1527         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1528
1529 2010-04-26  Richard Guenther  <rguenther@suse.de>
1530
1531         PR lto/43080
1532         * gimple.c (gimple_decl_printable_name): Deal gracefully
1533         with a NULL DECL_NAME.
1534
1535 2010-04-26  Richard Guenther  <rguenther@suse.de>
1536
1537         PR lto/42425
1538         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1539         if emitting debug information and it is either a function
1540         or a namespace decl.
1541
1542 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1543
1544         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1545         determine if the statement is vectorizable, and a macro to access it.
1546         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1547         Skip statements that can't be vectorized. If the analysis fails,
1548         mark the statement as unvectorizable if vectorizing basic block.
1549         (vect_compute_data_refs_alignment): Likewise.
1550         (vect_verify_datarefs_alignment): Skip statements marked as
1551         unvectorizable. Add print.
1552         (vect_analyze_group_access): Skip statements that can't be
1553         vectorized. If the analysis fails, mark the statement as
1554         unvectorizable if vectorizing basic block.
1555         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1556         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1557         generated stmts for SLP.
1558         (new_stmt_vec_info): Initialize the new field.
1559         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1560         statements marked as unvectorizable.
1561
1562 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1563
1564         * c-common.c (flag_isoc1x): New.
1565         (flag_isoc99): Update comment.
1566         * c-common.h (flag_isoc1x): New.
1567         (flag_isoc99): Update comment.
1568         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1569         __<type>_DECIMAL_DIG__.
1570         * c-opts.c (set_std_c1x): New.
1571         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1572         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1573         * c.opt (-std=c1x, -std=gnu1x): New options.
1574         * doc/cpp.texi: Mention -std=c1x.
1575         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1576         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1577         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1578         * doc/standards.texi: Mention C1X.
1579         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1580         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1581         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1582         Define for C1X.
1583
1584 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1585
1586         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1587         placeholder from 0x%x to %#x.
1588         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1589         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1590         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1591         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1592         * config/i386/i386.c (ix86_target_string): Ditto.
1593         (output_pic_addr_const): Ditto.
1594         (print_operand): Ditto.
1595
1596 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1597
1598         * combine.c (find_split_point): Add third argument.  Use it
1599         to find nested multiply-accumulate instructions.  Adjust calls.
1600         (try_combine): Adjust call to find_split_point.
1601
1602 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1603
1604         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1605
1606 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1607
1608         PR tree-optimization/41442
1609         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1610         (fold_binary_loc): Call it.
1611
1612 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1613
1614         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1615         * opts.c (common_handle_option): Allow disabling it.
1616         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1617
1618 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1619
1620         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1621         between modes if both types are integral.
1622
1623 2010-04-23  Richard Guenther  <rguenther@suse.de>
1624
1625         PR tree-optimization/43572
1626         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1627
1628 2010-04-23  Richard Guenther  <rguenther@suse.de>
1629
1630         PR lto/43455
1631         * tree-inline.c (tree_can_inline_p): Also check compatibility
1632         of return types.
1633
1634 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1635
1636         PR tree-optimization/43846
1637         * tree-sra.c (struct access): New flag grp_assignment_read.
1638         (build_accesses_from_assign): Set grp_assignment_read.
1639         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1640         (enum mark_read_status): New type.
1641         (analyze_access_subtree): Propagate grp_assignment_read, create
1642         accesses also if both direct_read and root->grp_assignment_read.
1643
1644 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1645
1646         PR middle-end/43835
1647         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1648         function does not have type attributes.
1649
1650 2010-04-23  Richard Guenther  <rguenther@suse.de>
1651
1652         PR lto/42653
1653         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1654         of FUNCTION_DECLs.
1655
1656 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1657
1658         * sese.h (create_if_region_on_edge): Remove.
1659
1660         * sese.c (create_if_region_on_edge): Make static.
1661
1662         * tree-inline.c: Do not include ggc.h.
1663
1664         * expr.c: Do not include ggc.h.
1665
1666         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1667         dependencies.
1668
1669 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1670
1671         PR target/43744
1672         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1673         in the middle of insns for casesi_worker_2.
1674
1675 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1676
1677         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1678
1679 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1680
1681         PR tree-optimization/43842
1682         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1683         loop unrolling in update of exit phis. Fix comment.
1684         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1685         least two reduction statements in the loop before starting SLP
1686         analysis.
1687
1688 2010-04-22  Nick Clifton  <nickc@redhat.com>
1689
1690         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1691
1692 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1693
1694         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1695         to simplify a + ~a.
1696
1697 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1698
1699         * tree-parloops.c (loop_parallel_p): New argument
1700         parloop_obstack.  Pass it down.
1701         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1702         pass it down, free it.
1703
1704         * tree-loop-linear.c (linear_transform_loops): Pass down
1705         lambda_obstack.
1706
1707         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1708         of type struct obstack *.
1709
1710         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1711         scratch_obstack.  Initialize it, pass down, free it.
1712
1713         * lambda.h (lambda_loop_new): Remove.
1714         (lambda_matrix_new, lambda_matrix_inverse)
1715         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1716         argument of type struct obstack *.
1717
1718         * lambda-trans.c (lambda_trans_matrix_new): New argument
1719         lambda_obstack.  Pass it down, use obstack allocation for ret.
1720         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1721         it down.
1722
1723         * lambda-mat.c (lambda_matrix_get_column)
1724         (lambda_matrix_project_to_null): Remove.
1725         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1726         allocation for mat.
1727         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1728         lambda_obstack.
1729
1730         * lambda-code.c (lambda_loop_new): New function.
1731         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1732         (lambda_compute_auxillary_space, lambda_compute_target_space)
1733         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1734         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1735         (build_access_matrix): New argument lambda_obstack.  Use obstack
1736         allocation for am.
1737         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1738         argument lambda_obstack.  Pass it down.
1739
1740 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1741
1742         * optabs.h (expand_widening_mult): Declare.
1743
1744 2010-04-22  Richard Guenther  <rguenther@suse.de>
1745
1746         PR tree-optimization/43845
1747         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1748         lookup the CALL_EXPR function and arguments.
1749
1750 2010-04-22  Nick Clifton  <nickc@redhat.com>
1751
1752         * config/stormy16/stormy16.c
1753         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1754         * config/stormy16/stormy16.h: Tidy up formatting.
1755         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1756         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1757         (ineqbranchsi): Delete pattern.
1758         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1759         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1760         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1761         stormy16-lib2-ucmpsi2.c.
1762
1763 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1764
1765         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1766         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1767         extra set merge_set_noclobber, and use it to relax the final test
1768         slightly.
1769         * df.h (df_simulate_find_noclobber_defs): Declare.
1770         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1771         conditional defs.
1772         (df_simulate_find_noclobber_defs): New function.
1773
1774 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1775
1776         * config/i386/i386.md: Use {} around multi-line preparation statements.
1777
1778 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1779
1780         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1781         (process_init_element): New argument of type struct obstack *.
1782
1783         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1784         (set_init_index, set_init_label, set_nonincremental_init)
1785         (set_nonincremental_init_from_string, find_init_member)
1786         (output_init_element, output_pending_init_elements)
1787         (process_init_element): New argument braced_init_obstack.  Pass it
1788         down.
1789         (push_range_stack, add_pending_init): New argument
1790         braced_init_obstack.  Use obstack allocation.
1791
1792         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1793         braced_init_obstack.  Pass it down.
1794         (c_parser_braced_init): New variables ret, braced_init_obstack.
1795         Initialize obstack, pass it down and finally free it.
1796
1797 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1798
1799         PR middle-end/29274
1800         * tree-pass.h (pass_optimize_widening_mul): Declare.
1801         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1802         gate_optimize_widening_mul): New static functions.
1803         (pass_optimize_widening_mul): New.
1804         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1805         <case MULT_EXPR>: Remove support for widening multiplies.
1806         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1807         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1808         simplify_gen_unary rather than directly building extensions.
1809         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1810         WIDEN_MULT_EXPR.
1811         * expmed.c (expand_widening_mult): New function.
1812         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1813
1814 2010-04-21  Jan Hubicka  <jh@suse.cz>
1815
1816         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1817         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1818         * lto-wpa-fixup.c: Remove.
1819         * Makefile.in (lto-wpa-fixup.o): Remove.
1820         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1821         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1822         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1823
1824 2010-04-21  Jan Hubicka  <jh@suse.cz>
1825
1826         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1827         add write_optimization_summary, read_optimization_summary.
1828         (ipa_write_summaries_of_cgraph_node_set): Remove.
1829         (ipa_write_optimization_summaries): Declare.
1830         (ipa_read_optimization_summaries): Declare.
1831         * ipa-cp.c (pass_ipa_cp): Update.
1832         * ipa-reference.c (pass_ipa_reference): Update.
1833         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1834         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1835         Update.
1836         * ipa-inline.c (pass_ipa_inline): Update.
1837         * ipa.c (pass_ipa_whole_program): Update.
1838         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1839         * passes.c (ipa_write_summaries_1): Do not test wpa.
1840         (ipa_write_optimization_summaries_1): New.
1841         (ipa_write_optimization_summaries): New.
1842         (ipa_read_summaries): Do not test ltrans.
1843         (ipa_read_optimization_summaries_1): New.
1844         (ipa_read_optimization_summaries): New.
1845
1846 2010-04-21  Jan Hubicka  <jh@suse.cz>
1847
1848         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1849         for boundary nodes.
1850         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1851
1852 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1853
1854         PR debug/40040
1855         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1856         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1857
1858 2010-04-21  Jan Hubicka  <jh@suse.cz>
1859
1860         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1861
1862 2010-04-21  Jan Hubicka  <jh@suse.cz>
1863
1864         * varpool.c (decide_is_variable_needed): Variable is always needed
1865         during ltrans.
1866
1867 2010-04-21  Jan Hubicka  <jh@suse.cz>
1868
1869         * opts.c (decode_options): Enable pure-const pass for whopr.
1870
1871 2010-04-21  Jan Hubicka  <jh@suse.cz>
1872
1873         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1874         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1875         at WPA dumping.
1876         (cgraph_decide_inlining): Do not expect callee to be removed in all
1877         cases.
1878
1879 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1880
1881         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1882
1883 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1884
1885         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1886         amdfam10_decode attributes.
1887
1888 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1889
1890         PR middle-end/43570
1891         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1892         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1893         (lower_copyprivate_clauses): Use private var in outer
1894         context instead of original var.  Make sure the types
1895         are correct for VLAs.
1896
1897 2010-04-21  Richard Guenther  <rguenther@suse.de>
1898
1899         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1900         to non-pointer objects.
1901
1902 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1903
1904         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1905         last chain entry if it starts with the still current label.
1906         (add_location_or_const_value_attribute): Check that
1907         loc_list->first->next is NULL instead of comparing ->first with ->last.
1908         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1909         to add_var_loc_to_decl.
1910
1911         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1912         >= 4 add also address size and segment size fields into CIE header.
1913
1914         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1915         long as address size is the same as sizeof (void *) and
1916         segment size is 0.
1917         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1918         address size or segment size is unexpected, return DW_EH_PE_omit.
1919         (classify_object_over_fdes): If get_cie_encoding returned
1920         DW_EH_PE_omit, return -1.
1921         (init_object): If classify_object_over_fdes returned -1,
1922         pretend there were no FDEs at all.
1923
1924 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1925
1926         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1927         bswap{si,di}2 using SWI48 mode iterator.
1928         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1929         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1930         set modrm attribute of bswap insn to 0 and remove length attribute.
1931         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1932         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1933         set mode attribute to <MODE> and remove length attribute.
1934
1935 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1936
1937         PR rtl-optimization/43520
1938         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1939         zero available registers.
1940
1941 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1942
1943         * builtins.c (fold_builtin_cproj): Fold more cases.
1944
1945 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1946
1947         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1948         (fold_builtin_1): Fold builtin cproj.
1949         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1950         Use ATTR_CONST_NOTHROW_LIST.
1951
1952 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1953
1954         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1955         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1956         ffsi2_no_cmove for !TARGET_CMOVE.
1957         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1958         (ffssi2): Remove expander.
1959         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1960         mode iterator.
1961         (ctz<mode>2): Ditto from ctz{si,di}2.
1962         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1963         mode iterator.
1964         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1965         mode iterator.
1966
1967 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1968
1969         * dwarf2out.c (AT_linkage_name): Define.
1970         (clone_as_declaration): Handle DW_AT_linkage_name.
1971         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1972         of DW_AT_MIPS_linkage_name.
1973         (move_linkage_attr): Likewise.
1974         (dwarf2out_finish): Likewise.
1975
1976 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1977
1978         PR middle-end/41952
1979         * fold-const.c (fold_comparison): New folding rule.
1980
1981 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1982
1983         * double-int.h (double_int_setbit): Declare.
1984         * double-int.c (double_int_setbit): New function.
1985         * rtl.h (immed_double_int_const): Declare.
1986         * emit-rtl.c (immed_double_int_const): New function.
1987         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1988         and immed_double_int_const functions.
1989         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1990         expand_copysign_bit):  (Ditto.).
1991         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1992         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1993         * dojump.c (prefer_and_bit_test): (Ditto.).
1994         * expr.c (convert_modes, reduce_to_bit_field_precision,
1995         const_vector_from_tree): (Ditto.).
1996         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1997
1998 2010-04-20  Jan Hubicka  <jh@suse.cz>
1999
2000         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2001         (dump_cgraph_node): Dump new flags.
2002         * cgraph.h (struct cgraph_node): Add flags
2003         reachable_from_other_partition and in_other_partition.
2004         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2005         other partition can not be removed.
2006         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2007         the other partition must be output; silence sanity checking on
2008         leaking functions bodies from other paritition.
2009         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2010         (lto_output_node): Output new flags; do not sanity check that inline
2011         clones are output; drop lto_forced_extern_inline_p code; do not mock
2012         visibility flags at partition boundaries.
2013         (add_node_to): New function.
2014         (output_cgraph): Use it to sort functions so masters appear before
2015         clones.
2016         (input_overwrite_node): Input new flags.
2017         * passes.c (ipa_write_summaries): Do not call
2018         lto_new_extern_inline_states.
2019         * lto-section-out.c (forced_extern_inline,
2020         lto_new_extern_inline_states lto_delete_extern_inline_states,
2021         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2022         * lto-streamer.h (lto_new_extern_inline_states,
2023         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2024         lto_forced_extern_inline_p): Kill.
2025
2026 2010-04-20  Richard Guenther  <rguenther@suse.de>
2027
2028         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2029         from vars that can have pointers.
2030         (process_constraint): Dump useless constraints.
2031
2032 2010-04-20  Richard Guenther  <rguenther@suse.de>
2033
2034         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2035         (dump_sa_points_to_info): Remove asserts.
2036         (init_base_vars): nothing_id isn't an escape point nor does it
2037         have pointers.
2038
2039 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2040
2041         * tree.h (TYPE_REF_IS_RVALUE): Define.
2042         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2043         should_move_die_to_comdat, prune_unused_types_walk): Handle
2044         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2045         (modified_type_die, gen_reference_type_die): Emit
2046         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2047         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2048
2049 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2050
2051         PR target/43635
2052         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2053         calls for -fpic -m31 if they have been sibcall optimized.
2054
2055 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2056
2057         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2058         ar.lc fixed and call-used.
2059
2060         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2061
2062 2010-04-19  Jan Hubicka  <jh@suse.cz>
2063
2064         * opts.c (decode_options): Disable whpr incompatible passes.
2065         * lto/lto.c (lto_1_to_1_map): Skip clones.
2066         (read_cgraph_and_symbols): Do not mark everything as needed.
2067         (do_whole_program_analysis): Do map only after optimizing;
2068         set proper cgraph_state; use passmanager.
2069
2070 2010-04-19  DJ Delorie  <dj@redhat.com>
2071
2072         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2073         POINTER_PLUS_EXPR and fix them.
2074
2075 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2076
2077         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2078         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2079         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2080         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2081         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2082         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2083         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2084         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2085         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2086         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2087         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2088
2089 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2090
2091         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2092         (check_cond_move_block): Likewise.
2093         (cond_move_process_if_block): Likewise.
2094         (noce_find_if_block): Improve formatting.
2095         (find_if_header): Pass 0 to memset and tweak conditions.
2096         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2097
2098 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2099
2100         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2101         for -gdwarf-4.
2102
2103         PR middle-end/43337
2104         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2105         with non-local decl doesn't need chain.
2106
2107 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2108
2109         * ira-color.c (allocno_reload_assign): Avoid accumulating
2110         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2111
2112 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2113
2114         * gimple.h (create_tmp_reg): Declare.
2115         * gimplify.c (create_tmp_reg): New function.
2116         (gimplify_return_expr): Use create_tmp_reg.
2117         (gimplify_omp_atomic): Likewise.
2118         (gimple_regimplify_operands): Likewise.
2119         * tree-dfa.c (make_rename_temp): Likewise.
2120         * tree-predcom.c (predcom_tmp_var): Likewise.
2121         (reassociate_to_the_same_stmt): Likewise.
2122         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2123         (get_replaced_param_substitute): Likewise.
2124         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2125         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2126         * tree-ssa-pre.c (get_representative_for): Likewise.
2127         (create_expression_by_pieces): Likewise.
2128         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2129         (create_tailcall_accumulator): Likewise.
2130
2131 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2132
2133         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2134         new_stmt.
2135         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2136
2137 2010-04-19  Richard Guenther  <rguenther@suse.de>
2138
2139         PR tree-optimization/43796
2140         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2141         from SCEV in the lattice.
2142         (vrp_visit_phi_node): Dump change.
2143
2144 2010-04-19  Richard Guenther  <rguenther@suse.de>
2145
2146         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2147         * configure: Re-generated.
2148
2149 2010-04-19  Richard Guenther  <rguenther@suse.de>
2150
2151         PR tree-optimization/43783
2152         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2153         constant ARRAY_REF operands two and three if possible.
2154
2155 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2156
2157         PR target/43766
2158         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2159
2160 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2161
2162         PR target/43662
2163         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2164
2165 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2166
2167         PR tree-optimization/37027
2168         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2169         and macro to access it.
2170         (vectorizable_reduction): Add argument.
2171         (vect_get_slp_defs): Likewise.
2172         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2173         statements for possible use in SLP.
2174         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2175         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2176         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2177         add new argument.
2178         (vectorizable_reduction): Likewise.
2179         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2180         vect_get_slp_defs.
2181         (vectorizable_type_demotion, vectorizable_type_promotion,
2182         vectorizable_store): Likewise.
2183         (vect_analyze_stmt): Update call to vectorizable_reduction.
2184         (vect_transform_stmt): Likewise.
2185         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2186         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2187         from different interleaving chains in same node.
2188         (vect_slp_rearrange_stmts): New function.
2189         (vect_supported_load_permutation_p): Allow load permutations for
2190         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2191         inside SLP nodes if necessary.
2192         (vect_analyze_slp_instance): Handle reductions.
2193         (vect_analyze_slp): Try to build SLP instances originating from groups
2194         of reductions.
2195         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2196         (vect_get_constant_vectors): Create initial vectors for reductions
2197         according to reduction code. Add new argument.
2198         (vect_get_slp_defs): Add new argument, pass it to
2199         vect_get_constant_vectors.
2200         (vect_schedule_slp_instance): Remove SLP tree root statements.
2201
2202 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2203
2204         * tree.h (ENUM_IS_SCOPED): Define.
2205         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2206         for ENUM_IS_SCOPED enums.
2207
2208 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2209
2210         * fold-const.c (fold_comparison): Use ssizetype.
2211         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2212         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2213         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2214         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2215
2216         * tree.h (initialize_sizetypes): Remove parameter.
2217         (build_common_tree_nodes): Remove second parameter.
2218         * stor-layout.c (initialize_sizetypes): Remove parameter.
2219         Always create an unsigned type.
2220         (set_sizetype): Assert that the passed type is unsigned and simplify.
2221         * tree.c (build_common_tree_nodes): Remove second parameter.
2222         Adjust call to initialize_sizetypes.
2223         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2224         build_common_tree_nodes.
2225
2226 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2227
2228         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2229
2230 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2231
2232         PR tree-optimization/43771
2233         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2234         load permutation doesn't have gaps.
2235
2236 2010-04-18  Jan Hubicka  <jh@suse.cz>
2237
2238         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2239         (sse_prologue_save_insn expander): Use new pattern.
2240         (sse_prologue_save_insn1): New pattern and splitter.
2241         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2242         blocks.
2243         * i386.c (setup_incoming_varargs_64): Do not compute jump
2244         destination here.
2245         (ix86_gimplify_va_arg): Update alignment needed.
2246         (ix86_local_alignment): Do not align all local arrays to 128bit.
2247
2248 2010-04-17  Jan Hubicka  <jh@suse.cz>
2249
2250         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2251
2252 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2253
2254         * arm.md (negdi2): Remove redundant code to force values into a
2255         register.
2256
2257 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2258
2259         * arm/bpabi.S: Add EABI alignment attributes to objects.
2260         * arm/bpabi-v6m.S: Likewise.
2261         * arm/crti.asm: Likewise.
2262         * arm/crtn.asm: Likewise.
2263         * arm/lib1funcs.asm: Likewise.
2264         * arm/libunwind.S: Likewise.
2265
2266 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2267
2268         * arm-protos.h (tune_params): New structure.
2269         * arm.c (current_tune): New variable.
2270         (arm_constant_limit): Delete.
2271         (struct processors): Add pointer to the tune parameters.
2272         (arm_slowmul_tune): New tuning option.
2273         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2274         (all_cores): Adjust to pick up the tuning model.
2275         (arm_constant_limit): New function.
2276         (arm_override_options): Select the appropriate tuning model.  Delete
2277         initialization of arm_const_limit.
2278         (arm_split_constant): Use the new constant-limit model.
2279         (arm_rtx_costs): Pick up the current tuning model.
2280         * arm.md (is_strongarm, is_xscale): Delete.
2281         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2282         for Xscale variant architectures.
2283         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2284
2285 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2286
2287         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2288         can_shift.
2289         (arm_rtx_costs_1): Remove unused variable extra_cost.
2290         (arm_unwind_emit_set): Use variable offset.
2291         (thumb1_output_casesi): Remove unused variable flags.
2292
2293 2010-04-16  Jeff Law  <law@redhat.com>
2294
2295         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2296         needing assignment rather than doing a two-phase assignment.  Remove
2297         unused variable 'm'.
2298
2299 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2300
2301         PR bootstrap/43767
2302         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2303
2304 2010-04-16  Doug Kwan  <dougkwan@google.com>
2305
2306         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2307         (next_operand_entry_id): New static variable.
2308         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2309         (add_to_ops_vec): Assigned unique ID to operand entry.
2310         (struct oecount_s): New field ID.
2311         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2312         (undistribute_ops_list): Assign unique IDs to oecounts.
2313         (init_reassoc): reset next_operand_entry_id.
2314
2315 2010-04-16  Doug Kwan  <dougkwan@google.com>
2316
2317         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2318         missing left parenthesis.
2319
2320 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2321
2322         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2323         *btdi_rex64 using SWI48 mode iterator.
2324         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2325         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2326         *jcc_btdi_mask_rex64.
2327
2328 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2329
2330         * double-int.h (tree_to_double_int): Convert to macro.
2331         * double-int.c (tree_to_double_int): Remove.
2332
2333 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2334
2335         PR debug/43762
2336         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2337         with want_address 2 and in case a single element list might be
2338         possible, call it again with want_address 0.
2339
2340 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2341
2342         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2343         case 'W' print operands for HI mode.
2344         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2345         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2346         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2347         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2348
2349         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2350
2351         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2352         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2353         #xx:3 and #xx:4 mode.
2354
2355         * config/h8300/h8300.md (inverted load with HImode dest): Add
2356         support for H8300SX.
2357
2358         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2359         satisfy 'U' constraint.
2360
2361 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2362
2363         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2364         * configure: Regenerate.
2365         * config.in: Regenerate.
2366         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2367         works.
2368
2369 2010-04-16  Richard Guenther  <rguenther@suse.de>
2370
2371         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2372         (struct tree_decl_common): ... here.
2373         (DECL_PT_UID): Adjust.
2374         (SET_DECL_PT_UID): Likewise.
2375         (DECL_PT_UID_SET_P): Likewise.
2376
2377 2010-04-16  Richard Guenther  <rguenther@suse.de>
2378
2379         PR tree-optimization/43572
2380         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2381         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2382         * tree-flow.h (is_call_clobbered): Remove.
2383         * tree-flow-inline.h (is_call_clobbered): Likewise.
2384         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2385         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2386         (execute_return_slot_opt): Adjust.
2387         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2388         check for call clobbered vars here.
2389         (find_tail_calls): Move tailcall verification to the
2390         proper place.
2391
2392 2010-04-16  Diego Novillo  <dnovillo@google.com>
2393
2394         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2395
2396 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2397
2398         PR target/40603
2399         * config/arm/arm.md (cbranchqi4): New pattern.
2400         * config/arm/predicates.md (const0_operand,
2401         cbranchqi4_comparison_operator): New predicates.
2402
2403 2010-04-16  Richard Guenther  <rguenther@suse.de>
2404
2405         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2406         (dump_gimple_stmt): Likewise.
2407
2408 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2409
2410         * recog.h (struct recog_data): New field is_operator.
2411         (struct insn_operand_data): New field is_operator.
2412         * recog.c (extract_insn): Set recog_data.is_operator.
2413         * genoutput.c (output_operand_data): Emit code to set the
2414         is_operator field.
2415         * reload.c (find_reloads): Use it rather than testing for an
2416         empty constraint string.
2417
2418         PR target/41514
2419         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2420         If the previous insn is a cbranchsi4_insn with the same arguments,
2421         omit the compare instruction.
2422
2423         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2424         register, inputs must be low registers and we need a low register
2425         scratch.  Handle alternative 2 like alternative 3.
2426
2427 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2428
2429         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2430         don't call get_addr on both.  If one expression is a VALUE and
2431         the other a REG, check VALUE's locs if the REG isn't among them.
2432
2433 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2434
2435         * config/sh/sh.h (sh_frame_pointer_required): New function.
2436         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2437         (flag_omit_frame_pointer) Set.
2438         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2439         (rounded_frame_size): Adjust size with outgoing_args_size.
2440         (sh_set_return_address): Must return from stack pointer.
2441         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2442         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2443         (ACCUMULATE_OUTGOING_ARGS): Define.
2444         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2445         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2446
2447 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2448
2449         PR target/43471
2450         * config/sh/sh.c (sh_legitimize_reload_address): Use
2451         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2452         Remove a unneeded check for offset_base.
2453
2454 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2455
2456         * configure: Regenerated.
2457
2458 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2459
2460         * config/s390/s390.c (s390_call_save_register_used): Switch back
2461         to HARD_REGNO_NREGS.
2462
2463 2010-04-15  Richard Guenther  <rguenther@suse.de>
2464
2465         * alias.c (alias_set_subset_of): Handle alias-set zero
2466         child properly.
2467
2468 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2469             Julian Brown  <julian@codesourcery.com>
2470
2471         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2472         alternatives according to use of high and low regs.
2473         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2474         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2475         optimizing for size on Thumb-2.
2476
2477 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2478
2479         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2480
2481 2010-04-15  Richard Guenther  <rguenther@suse.de>
2482
2483         * tree-ssa-structalias.c (struct variable_info): Add
2484         is_fn_info flag.
2485         (new_var_info): Initialize it.
2486         (dump_constraints): Support printing last added constraints.
2487         (debug_constraints): Adjust.
2488         (dump_constraint_graph): Likewise.
2489         (make_heapvar_for): Check for NULL cfun.
2490         (get_function_part_constraint): New function.
2491         (get_fi_for_callee): Likewise.
2492         (find_func_aliases): Properly implement IPA PTA constraints.
2493         (process_ipa_clobber): New function.
2494         (find_func_clobbers): Likewise.
2495         (insert_into_field_list_sorted): Remove.
2496         (create_function_info_for): Properly allocate vars for IPA mode.
2497         Do not use insert_into_field_list_sorted.
2498         (create_variable_info_for): Properly generate constraints for
2499         global vars in IPA mode.
2500         (dump_solution_for_var): Always dump the solution.
2501         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2502         (find_what_var_points_to): Adjust.
2503         (pt_solution_set): Change.
2504         (pt_solution_ior_into): New function.
2505         (pt_solution_empty_p): Export.
2506         (pt_solution_includes_global): Adjust.
2507         (pt_solution_includes_1): Likewise.
2508         (pt_solutions_intersect_1): Likewise.
2509         (dump_sa_points_to_info): Check some invariants.
2510         (solve_constraints): Move constraint dumping ...
2511         (compute_points_to_sets): ... here.
2512         (ipa_pta_execute): ... and here.
2513         (compute_may_aliases): Do not re-compute points-to info
2514         locally if IPA info is available.
2515         (ipa_escaped_pt): New global var.
2516         (ipa_pta_execute): Properly implement IPA PTA.
2517         * tree-into-ssa.c (dump_decl_set): Support dumping
2518         decls not in referenced-vars.
2519         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2520         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2521         (dump_points_to_solution): Likewise.
2522         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2523         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2524         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2525         (copy_decl_to_var): Copy DECL_PT_UID.
2526         (copy_result_decl_to_var): Likewise.
2527         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2528         (copy_node_stat): Copy it.
2529         * tree.h (DECL_PT_UID): New macro.
2530         (SET_DECL_PT_UID): Likewise.
2531         (DECL_PT_UID_SET_P): Likewise.
2532         (struct tree_decl_minimal): Add pt_uid member.
2533         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2534         (pt_solution_empty_p): Declare.
2535         (pt_solution_set): Adjust.
2536         (ipa_escaped_pt): Declare.
2537         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2538         * gimple-pretty-print.c (pp_points_to_solution): New function.
2539         (dump_gimple_call): Dump call clobber/use information.
2540         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2541         * tree-pass.h (TDF_ALIAS): New dump option.
2542         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2543         * doc/invoke.texi (-fipa-pta): Update documentation.
2544
2545 2010-04-15  Richard Guenther  <rguenther@suse.de>
2546
2547         * Makefile.in (OBJS-common): Add gimple-fold.o.
2548         (gimple-fold.o): New rule.
2549         * tree.h (maybe_fold_offset_to_reference,
2550         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2551         prototypes ...
2552         * gimple.h: ... here.
2553         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2554         may_propagate_address_into_dereference): Move prototypes ...
2555         * gimple.h: ... here.
2556         * tree-ssa-ccp.c (get_symbol_constant_value,
2557         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2558         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2559         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2560         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2561         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2562         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2563         gimplify_and_update_call_from_tree): Move ...
2564         * gimple-fold.c: ... here.  New file.
2565         (ccp_fold_builtin): Rename to ...
2566         (gimple_fold_builtin): ... this.
2567         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2568
2569 2010-04-15  Richard Guenther  <rguenther@suse.de>
2570
2571         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2572         fit_double_type, force_fit_type_double, add_double_with_sign,
2573         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2574         lrotate_double, rrotate_double, div_and_round_double): Move ...
2575         * double-int.c: ... here.
2576         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2577         add_double, neg_double, mul_double_with_sign, mul_double,
2578         lshift_double, rshift_double, lrotate_double, rrotate_double,
2579         div_and_round_double): Move prototypes ...
2580         * double-int.h: ... here.
2581
2582 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2583
2584         PR target/43742
2585         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2586         matching constraints to ensure inputs match the output.
2587
2588 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2589
2590         PR target/43742
2591         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2592         in an input-only operand.
2593
2594 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2595
2596         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2597         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2598         (double_int_negative_p): Convert to static inline function.
2599         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2600         (double_int_negative_p): Remove.
2601         * tree.h (lshift_double, rshift_double):
2602         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2603         * fold-const.c (fold_convert_const_int_from_real,
2604         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2605         (lshift_double): Change type of arith argument to bool.
2606         (rshift_double): Change type of arith argument to bool. Correct
2607         comment.
2608         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2609
2610 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2611
2612         PR target/21803
2613         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2614         at the start and end of the then/else blocks, and omit them from the
2615         conversion.
2616         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2617         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2618         (flow_find_head_matching_sequence): New function.
2619         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2620         * basic-block.h (flow_find_cross_jump,
2621         flow_find_head_matching_sequence): Declare functions.
2622
2623 2010-04-14  Jason Merrill  <jason@redhat.com>
2624
2625         PR c++/36625
2626         * c-common.c (attribute_takes_identifier_p): New fn.
2627         * c-common.h: Declare it.
2628
2629 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2630
2631         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2632         splitter condition.
2633         (*udivmod<mode>4): Ditto.
2634
2635 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2636
2637         * config/i386/i386.md (maxmin_int): Rename code attribute from
2638         maxminiprefix and update all users.
2639         (maxmin_float): Ditto from maxminfprefix.
2640         (logic): Ditto from logicprefix.
2641         (absneg_mnemonic): Ditto from absnegprefix.
2642         * config/i386/mmx.md: Update all users of maxminiprefix,
2643         maxminfprefix and logicprefix for rename.
2644         * config/i386/sse.md: Ditto.
2645         * config/i386/sync.md (sync_<code><mode>): Update for
2646         logicprefix rename.
2647
2648 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2649
2650         PR 42966
2651         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2652         warnings converted to errors.
2653
2654 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2655
2656         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2657         used insn_type variable.
2658         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2659         to avoid set-but-not-used warning.
2660
2661 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2662
2663         * df-core.c (df_ref_debug): Change format string placeholder
2664         from 0x%x to %#x.
2665         * dwarf2asm.c (dw2_asm_output_data_raw,
2666         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2667         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2668         * dwarf2out.c (output_cfi, output_cfi_directive,
2669         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2670         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2671         Ditto.
2672         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2673         * print-rtl.c (print_rtx): Ditto.
2674
2675 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2676
2677         PR middle-end/42694
2678         * builtins.c (expand_builtin_pow_root): New function to expand pow
2679         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2680         series of sqrt and cbrt calls under -ffast-math.
2681         (expand_builtin_pow): Call it.
2682
2683 2010-04-14  Michael Matz  <matz@suse.de>
2684
2685         PR tree-optimization/42963
2686         * tree-cfg.c (touched_switch_bbs): New static variable.
2687         (group_case_labels_stmt): New function broken out from ...
2688         (group_case_labels): ... here, use the above.
2689         (start_recording_case_labels): Allocate touched_switch_bbs.
2690         (end_recording_case_labels): Deallocate it, call
2691         group_case_labels_stmt.
2692         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2693
2694 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2695
2696         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2697         from insn template.
2698
2699 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2700
2701         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2702
2703 2010-04-13  Jan Hubicka  <jh@suse.cz>
2704
2705         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2706         of optimized out static functions.
2707         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2708         cost computation.  Also sanity check for overflows.
2709         (update_caller_keys): Update cgraph_edge_badness call; properly
2710         update fibheap and sanity check that it is up to date.
2711         (add_new_edges_to_heap): Update cgraph_edge_badness.
2712         (cgraph_decide_inlining_of_small_function): Likewise;
2713         add sanity checking that badness in heap is up to date;
2714         improve dumping of reason; Update badness of calls to the
2715         offline copy of function currently inlined; dump badness
2716         of functions not inlined because of unit growth limits.
2717
2718 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2719
2720         PR middle-end/32628
2721         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2722         because of sign-extension change when converting to sizetype here...
2723         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2724
2725         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2726         the folding to constants.  Remove redundant final conversion.
2727         (fold_binary) <associate>: Do not associate if the re-association of
2728         constants alone overflows.
2729         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2730         to the end of the list.
2731         (multiple_of_p) <COND_EXPR>: New case.
2732
2733 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2734
2735         * opt-functions.awk (opt_sanitized_name): New.
2736         (opt_enum): New.
2737         * optc-gen.awk: Use it
2738         * opth-gen.awk: Use it.
2739
2740 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2741
2742         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2743         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2744         children.  Call replace_uses_with_default_def_ssa_name to handle
2745         SSA_NAES on lhs.
2746
2747 2010-04-13  Michael Matz  <matz@suse.de>
2748
2749         PR middle-end/43730
2750         * builtins.c (expand_builtin_interclass_mathfn): Also create
2751         a register if the predicate doesn't match.
2752
2753 2010-04-13  Diego Novillo  <dnovillo@google.com>
2754
2755         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2756         * c-pch.c: Include timevar.h.
2757         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2758         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2759         * ggc-common.c: Include timevar.h.
2760         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2761         * timevar.def (TV_PCH_SAVE): Define.
2762         (TV_PCH_CPP_SAVE): Define.
2763         (TV_PCH_PTR_REALLOC): Define.
2764         (TV_PCH_PTR_SORT): Define.
2765         (TV_PCH_RESTORE): Define.
2766         (TV_PCH_CPP_RESTORE): Define.
2767
2768 2010-04-13  Michael Matz  <matz@suse.de>
2769
2770         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2771         into MINUS_EXPRs.
2772         (can_reassociate_p): New function.
2773         (break_up_subtract_bb, reassociate_bb): Use it.
2774
2775 2010-04-13  Richard Guenther  <rguenther@suse.de>
2776
2777         PR bootstrap/43737
2778         * builtins.c (c_readstr): Fix assert.
2779
2780 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2781
2782         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2783         when generating cltd insn.
2784
2785         (*ashl<mode>3_1): Remove special handling for register operand 2.
2786         (*ashlsi3_1_zext): Ditto.
2787         (*ashlhi3_1): Ditto.
2788         (*ashlhi3_1_lea): Ditto.
2789         (*ashlqi3_1): Ditto.
2790         (*ashlqi3_1_lea): Ditto.
2791         (*<shiftrt_insn><mode>3_1): Ditto.
2792         (*<shiftrt_insn>si3_1_zext): Ditto.
2793         (*<shiftrt_insn>qi3_1_slp): Ditto.
2794         (*<rotate_insn><mode>3_1): Ditto.
2795         (*<rotate_insn>si3_1_zext): Ditto.
2796         (*<rotate_insn>qi3_1_slp): Ditto.
2797
2798 2010-04-13  Richard Guenther  <rguenther@suse.de>
2799
2800         * tree-ssa-structalias.c (callused_id): Remove.
2801         (call_stmt_vars): New.
2802         (get_call_vi): Likewise.
2803         (lookup_call_use_vi): Likewise.
2804         (lookup_call_clobber_vi): Likewise.
2805         (get_call_use_vi): Likewise.
2806         (get_call_clobber_vi): Likewise.
2807         (make_transitive_closure_constraints): Likewise.
2808         (handle_const_call): Adjust to do per-call call-used handling.
2809         (handle_pure_call): Likewise.
2810         (find_what_var_points_to): Remove general callused handling.
2811         (init_base_vars): Likewise.
2812         (init_alias_vars): Initialize call_stmt_vars.
2813         (compute_points_to_sets): Process call-used and call-clobbered
2814         vars for call statements.
2815         (delete_points_to_sets): Free call_stmt_vars.
2816
2817 2010-04-13  Richard Guenther  <rguenther@suse.de>
2818
2819         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2820         Only add RW dependence for dependence distance zero.
2821         Adjust maximal vectorization factor according to dependences.
2822         Move alignment handling ...
2823         (vect_find_same_alignment_drs): ... here.  New function.
2824         (vect_analyze_data_ref_dependences): Adjust.
2825         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2826         (vect_analyze_data_refs): Adjust minimal vectorization factor
2827         according to data references.
2828         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2829         dependences before determining the vectorization factor.
2830         Analyze alignment after determining the vectorization factor.
2831         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2832         dependences before alignment.
2833         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2834         Adjust prototype.
2835         (vect_analyze_data_refs): Likewise.
2836         (MAX_VECTORIZATION_FACTOR): New define.
2837
2838 2010-04-13  Duncan Sands  <baldrick@free.fr>
2839
2840         * except.h (lang_eh_type_covers): Remove.
2841         * except.c (lang_eh_type_covers): Likewise.
2842
2843 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2844             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2845
2846         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2847         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2848         UNITS_PER_LONG where it is ABI relevant.
2849         (s390_return_addr_rtx): Likewise.
2850         (s390_back_chain_rtx): Likewise.
2851         (s390_frame_area): Likewise.
2852         (s390_frame_info): Likewise.
2853         (s390_initial_elimination_offset): Likewise.
2854         (save_gprs): Likewise.
2855         (s390_emit_prologue): Likewise.
2856         (s390_emit_epilogue): Likewise.
2857         (s390_function_arg_advance): Likewise.
2858         (s390_function_arg): Likewise.
2859         (s390_va_start): Likewise.
2860         (s390_gimplify_va_arg): Likewise.
2861         (s390_function_profiler): Likewise.
2862         (s390_optimize_prologue): Likewise.
2863         (s390_rtx_costs): Likewise.
2864         (s390_secondary_reload): Likewise.
2865         (s390_promote_function_mode): Likewise.
2866         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2867         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2868         registers available.
2869         (s390_unwind_word_mode): New function.
2870         (s390_function_value): Split 64 bit values into register pair if
2871         used as return value.
2872         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2873         function call parameters.  Handle parallels.
2874         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2875         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2876         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2877         (s390_expand_setmem): Remove unused variable src_addr.
2878         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2879         deal with 64 bit registers.
2880         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2881         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2882         (UNITS_PER_LONG): New macro.
2883         * libjava/include/s390-signal.h: Define extended ucontext
2884         structure containing the upper halfs of the 64 bit registers.
2885
2886 2010-04-13  Simon Baldwin  <simonb@google.com>
2887
2888         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2889
2890 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2891
2892         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2893         rvalue on the RHS if the LHS is of a non-renamable type.
2894         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2895
2896 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2897
2898         * gcc.c (cc1_options): Handle -iplugindir before processing
2899         the cc1 spec. Only add -iplugindir once.
2900         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2901         found.
2902         * common.opt (iplugindir): Remove `Separate' property, initialize.
2903         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2904         option.
2905         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2906         (distclean): Remove plugin dir.
2907         * doc/invoke.texi: Document -iplugindir.
2908
2909 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2910
2911         * doc/plugins.texi (Loading Plugins): Document short
2912         -fplugin=foo option.
2913         (Plugin API): Mention default_plugin_dir_name function.
2914
2915         * gcc.c (find_file_spec_function): Add new declaration.
2916         (static_spec_func): Use it for "find-file".
2917         (find_file_spec_function): Add new function.
2918         (cc1_options): Add -iplugindir option if -fplugin* options found.
2919
2920         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2921
2922         * plugin.c (add_new_plugin): Updated comment, and handle short
2923         plugin name.
2924         (default_plugin_dir_name): Added new function.
2925
2926         * common.opt (iplugindir): New option to set the plugin directory.
2927
2928 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2929
2930         * config/i386/i386.md (any_rotate): New code iterator.
2931         (rotate_insn): New code attribute.
2932         (rotate): Ditto.
2933         (SWIM124): New mode iterator.
2934         (<rotate_insn>ti3): New expander.
2935         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2936         any_rotate code iterator.
2937         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2938         using any_rotate code iterator and SWIM124 mode iterator.
2939         (ix86_rotlti3): New insn_and_split pattern.
2940         (ix86_rotrti3): Ditto.
2941         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2942         ix86_rotl{di,ti}3 patterns.
2943         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2944         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2945         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2946         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2947         code iterator and SWI mode iterator.
2948         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2949         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2950         code iterator.
2951         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2952         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2953         (bswap rotatert splitter): Add splitter.
2954         (bswap splitter): Macroize splitter using any_rotate code iterator.
2955         Add insn predicate to split only for TARGET_USE_XCHGB or when
2956         optimizing function for size.
2957
2958 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2959
2960         * config/pa/pa.c (emit_move_sequence): Remove use of
2961         deleted variable flag_argument_noalias.
2962
2963 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2964
2965         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2966         configurations.
2967         Add to unsupported targets list.
2968         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2969         sparc*-sun-solaris2.[567]* from target lists.
2970         * configure: Regenerate.
2971         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2972         removal.
2973         Remove Solaris 7 patch references.
2974         (Specific, sparc-sun-solaris2.7): Removed.
2975         (sparc-sun-solaris2*): Update Solaris 7 example.
2976         (sparc64-*-solaris2*): Likewise.
2977
2978 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2979
2980         * config.build (alpha*-dec-osf4*): Remove.
2981         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2982         of obsolete configurations.
2983         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2984         support.
2985         * config/alpha/t-osf4: Renamed to ...
2986         * config/alpha/t-osf5: ... this.
2987         * config/alpha/osf.h: Renamed to ...
2988         * config/alpha/osf5.h: ... this.
2989         Merged old osf5.h contents.
2990         Update comments.
2991         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2992         (EXTRA_SPECS): Removed.
2993         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2994         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2995         Document that.
2996
2997 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2998
2999         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3000
3001 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3002
3003         PR/43702
3004         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3005         __thiscall convention.
3006
3007 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3008
3009         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3010         orig_base.
3011         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3012
3013 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3014
3015         * function.c (assign_parms_initialize_all): Add unused attribute
3016         to fntype.
3017
3018 2010-04-12  Richard Guenther  <rguenther@suse.de>
3019
3020         * gsstruct.def (GSS_CALL): New.
3021         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3022         * gimple.h: Include tree-ssa-alias.h.
3023         (struct gimple_statement_call): New.
3024         (union gimple_statement_struct_d): Add gimple_call member.
3025         (gimple_call_reset_alias_info): Declare.
3026         (gimple_call_use_set): New function.
3027         (gimple_call_clobber_set): Likewise.
3028         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3029         * gimple.c (gimple_call_reset_alias_info): New function.
3030         (gimple_build_call_1): Call it.
3031         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3032         * tree-inline.c (remap_gimple_stmt): Likewise.
3033         (expand_call_inline): Remove callused handling.
3034         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3035         * tree-dfa.c (dump_variable): Likewise.
3036         * tree-parloops.c (parallelize_loops): Likewise.
3037         * tree-ssa.c (init_tree_ssa): Likewise.
3038         (delete_tree_ssa): Likewise.
3039         * tree-flow-inline.h (is_call_used): Remove.
3040         * tree-flow.h (struct gimple_df): Remove callused member.
3041         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3042         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3043         (ref_maybe_used_by_call_p_1): Simplify.
3044         (call_may_clobber_ref_p_1): Likewise.
3045         * tree-ssa-structalias.c (compute_points_to_sets): Set
3046         the call stmt used and clobbered sets.
3047         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3048         (find_tail_calls): Verify the tail call.
3049
3050 2010-04-12  Richard Guenther  <rguenther@suse.de>
3051
3052         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3053         single-iteration always-inline inlining.
3054         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3055         (cgraph_decide_inlining): Do not handle always-inline specially.
3056         (try_inline): Remove always-inline cycle detection special case.
3057         Do not recurse on always-inlines.
3058         (cgraph_early_inlining): Do not iterate if not optimizing.
3059         (cgraph_gate_early_inlining): remove.
3060         (pass_early_inline): Run unconditionally.
3061         (gate_cgraph_decide_inlining): New function.
3062         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
3063         not inlining or optimizing.
3064         (cgraph_decide_inlining_of_small_functions): Also consider
3065         always-inline functions.
3066         (cgraph_default_inline_p): Return true for nodes which should
3067         disregard inline limits.
3068         (estimate_function_body_sizes): Assume zero size and time for
3069         nodes which are marked as disregarding inline limits.
3070         (cgraph_decide_recursive_inlining): Do not perform recursive
3071         inlining on always-inline nodes.
3072
3073 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
3074
3075         PR bootstrap/43699
3076         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3077         for exprs satisfying handled_component_p.
3078
3079 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
3080
3081         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3082         non-constant aggregate elements.
3083
3084         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3085         is a real initialization.
3086
3087 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
3088
3089         PR c/36774
3090         * c-decl.c (start_function): Move forward check for nested function.
3091
3092 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3093
3094         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3095         * config/sh/sh.c: Include reload.h.
3096         (sh_legitimize_reload_address): New.
3097         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3098         sh_legitimize_reload_address.
3099
3100 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3101
3102         * config/sh/sh.md (*movqi_pop): New insn pattern.
3103         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3104
3105 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3106
3107         * config/i386/i386.md (any_shiftrt): New code iterator.
3108         (shiftrt_insn): New code attribute.
3109         (shiftrt): Ditto.
3110         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3111         using any_shiftrt code iterator.
3112         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3113         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3114         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3115         pattern from corresponding peephole2 patterns.
3116         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3117         using any_shiftrt code iterator.
3118         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3119         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3120         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3121         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3122         *{ashr,lshr}<mode>3_cmp_zext.
3123         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3124
3125 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3126
3127         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3128         scratch register.
3129         (*lshr<mode>3_cconly): Ditto.
3130
3131 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3132
3133         * config/i386/i386.md (lshr<mode>3): Macroize expander from
3134         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3135         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3136         pattern from *lshr{di,ti}3_1 and corresponding splitters using
3137         DWI mode iterator.
3138         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3139         from corresponding peephole2 patterns.
3140         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3141         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3142         and *lshrdi3_1_rex64 using SWI mode iterator.
3143         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3144         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3145         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3146         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3147         and *lshrdi3_cmp_rex64 using SWI mode iterator.
3148         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3149         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3150         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3151         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3152         SWI mode iterator.
3153
3154 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
3155
3156         * config/i386/i386.md (ashr<mode>3): Macroize expander from
3157         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3158         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3159         pattern from *ashr{di,ti}3_1 and corresponding splitters using
3160         DWI mode iterator.
3161         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3162         from corresponding peephole2 patterns.
3163         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3164         (ashrsi3_cvt): Rename from ashrsi3_31.
3165         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3166         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3167         and x86_64_shift_adj_3 using SWI48 mode iterator.
3168         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3169         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3170         and *ashrdi3_1_rex64 using SWI mode iterator.
3171         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3172         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3173         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3174         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3175         and *ashrdi3_cmp_rex64 using SWI mode iterator.
3176         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3177         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3178         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3179         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3180         SWI mode iterator.
3181         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3182         * config/i386/i386.c (ix86_split_ashr): Update for renamed
3183         x86_shift<mode>_adj_3 expanders.
3184
3185 2010-04-10  Wei Guozhi  <carrot@google.com>
3186
3187         PR target/42601
3188         * config/arm/arm.c (arm_pic_static_addr): New function.
3189         (legitimize_pic_address): Call arm_pic_static_addr when it detects
3190         a static symbol.
3191         (arm_output_addr_const_extra): Output expression for new pattern.
3192         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3193
3194 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
3195
3196         * ira-costs.c (record_reg_classes): Ignore alternatives that are
3197         not enabled.
3198
3199         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3200         * web.c: Include "insn-config.h" and "recog.h".
3201         (union_match_dups): New function.
3202         (web_main): Call it.
3203         (union_defs): Don't try to recognize match_dups.
3204
3205         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3206         if doing so would replace the entire pattern.
3207
3208 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3209
3210         PR target/43707
3211         PR target/43709
3212         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3213         and splitter pattern.  Change splitter operand 1 predicate to
3214         nonmemory_operand.
3215
3216 2010-04-09  Martin Jambor  <mjambor@suse.cz>
3217
3218         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3219         lattices are addresses of CONST_DECLs with the same initial value.
3220         (ipcp_print_all_lattices): Print values of CONST_DECLs.
3221         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3222
3223 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
3224             Bernd Schmidt  <bernds@codesourcery.com>
3225
3226         * loop-invariant.c (replace_uses): New static function.
3227         (move_invariant_reg): Use it to ensure we can replace the uses.
3228
3229 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
3230
3231         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3232         function template.
3233         (picochip_override_options): Enable section anchors only above -O1.
3234         (picochip_reorg): Fixed a couple of build warnings.
3235
3236 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3237
3238         * configure.ac (plugin -rdynamic test): Log result.
3239         * configure: Regenerate.
3240         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3241         (RDYNAMIC_SPEC): Define.
3242         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3243
3244 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3245
3246         * configure.ac: Determine Sun ld version numbers.
3247         (comdat_group): Restrict GNU ld version checks to gld.
3248         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3249         (enable_comdat): Support --enable-comdat.
3250         * configure: Regenerate.
3251         * doc/install.texi (Configuration): Document --enable-comdat.
3252
3253 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3254
3255         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
3256         * config/sol2-gld.h: ... here.
3257         * config.gcc (sparc*-*-solaris2*): Reflect this.
3258         (i[34567]86-*-solaris2*): Use it.
3259
3260 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
3261
3262         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3263         setup_clocks_p.
3264         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3265
3266 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3267
3268         PR 42965
3269         * diagnostic.c (diagnostic_initialize): Initialize
3270         some_warnings_are_errors.
3271         (diagnostic_finish): New.
3272         (diagnostic_action_after_output): Call it before exiting.
3273         (diagnostic_report_diagnostic): Do not print message here. Set
3274         some_warnings_are_errors.
3275         * diagnostic.h (diagnostic_context): Delete
3276         issue_warnings_are_errors_message. Add some_warnings_are_errors.
3277         (diagnostic_finish): Declare.
3278         * toplev.c (toplev_main): Call it before exit.
3279
3280 2010-04-09  Jason Merrill  <jason@redhat.com>
3281
3282         PR c++/42623
3283         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3284         for incomplete type.
3285
3286         PR c++/41788
3287         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3288         based on a warning flag.
3289
3290 2010-04-09  Richard Guenther  <rguenther@suse.de>
3291
3292         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3293
3294 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
3295
3296         PR bootstrap/43684
3297         * varasm.c (default_assemble_visibility): Wrap vars that are
3298         set, but unused, by targets without GAS.
3299         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3300         Remove set, but unused, vars.
3301         (rs6000_legitimize_tls_address): Likewise.
3302         (altivec_expand_dst_builtin): Likewise.
3303         * config/darwin.c (machopic_classify_symbol): Likewise.
3304         (machopic_indirection_name): Likewise.
3305
3306 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3307
3308         * config/i386/i386.md (DWI): New mode iterator.
3309         (S): New mode attribute.
3310         (shift_operand): Ditto.
3311         (shift_immediate_operand): Ditto.
3312         (ashl_input_operand): Ditto.
3313         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3314         using SDWIM mode iterator.
3315         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3316         pattern from *ashl{di,ti}3_1 and corresponding splitters using
3317         DWI mode iterator.
3318         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3319         from corresponding peephole2 patterns.
3320         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3321         and x86_64_shift_adj_1 using SWI48 mode iterator.
3322         (x86_shift<mode>_adj_2): Ditto.
3323         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3324         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3325         using SWI48 mode iterator.
3326         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3327         *ashldi3_cmp_rex64 using SWI mode iterator.
3328         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3329         *ashldi3_cconly_rex64 using SWI mode iterator.
3330         * config/i386/i386.c (ix86_split_ashl): Update for renamed
3331         x86_shift<mode>_adj_{1,2}.
3332         (ix86_split_ashr): Ditto.
3333         (ix86_split_lshr): Ditto.
3334
3335 2010-04-09  Richard Guenther  <rguenther@suse.de>
3336
3337         * target.h (builtin_conversion): Pass in input and output types.
3338         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3339         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3340         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3341         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3342
3343         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3344         Handle AVX modes.
3345         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3346
3347 2010-04-09  Richard Guenther  <rguenther@suse.de>
3348
3349         PR target/43152
3350         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3351
3352 2010-04-09  Richard Guenther  <rguenther@suse.de>
3353
3354         * tree-vectorizer.h (struct _stmt_vec_info): Document
3355         that vectype is the type of the LHS.
3356         (supportable_widening_operation, supportable_narrowing_operation):
3357         Get both input and output vector types as arguments.
3358         (vect_is_simple_use_1): Declare.
3359         (get_same_sized_vectype): Likewise.
3360         * tree-vect-loop.c (vect_determine_vectorization_factor):
3361         Set STMT_VINFO_VECTYPE to the vector type of the def.
3362         (vectorizable_reduction): Adjust.
3363         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3364         Adjust.  Specify the output vector type.
3365         (vect_pattern_recog_1): Adjust.
3366         * tree-vect-stmts.c (get_same_sized_vectype): New function.
3367         (vectorizable_call): Adjust.
3368         (vectorizable_conversion): Likewise.
3369         (vectorizable_operation): Likewise.
3370         (vectorizable_type_demotion): Likewise.
3371         (vectorizable_type_promotion): Likewise.
3372         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3373         the def.
3374         (vect_is_simple_use_1): New function.
3375         (supportable_widening_operation): Get both input and output
3376         vector types.
3377         (supportable_narrowing_operation): Likewise.
3378         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3379
3380 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
3381
3382         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3383         __thiscall and _thiscall as predefined macros.
3384         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3385         thiscall attribute handling.
3386         (ix86_comp_type_attributes): Likewise.
3387         (ix86_function_regparm): Likewise.
3388         (ix86_return_pops_args): Likewise.
3389         (init_cumulative_args): Likewise.
3390         (find_drap_reg): Likewise.
3391         (ix86_static_chain): Likewise.
3392         (x86_this_parameter): Likewise.
3393         (x86_output_mi_thunk): Likewise.
3394         (ix86_attribute_table): Add description for thiscall attribute.
3395         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3396         * doc/extend.texi: Add documentation for thiscall.
3397
3398 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3399
3400         PR c++/28584
3401         * c.opt (Wint-to-pointer-cast): Available in C++.
3402         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3403
3404 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
3405
3406         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3407         * calls.c (expand_call): Pass the function type to aggregate_value_p.
3408         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3409         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
3410         function type instead.  Reorder and simplify checks.
3411
3412         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3413
3414 2010-04-08  Jing Yu  <jingyu@google.com>
3415             Zdenek Dvorak  <ook@ucw.cz>
3416
3417         PR tree-optimization/42720
3418         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3419         loop unswitch conditions here from ...
3420         (tree_unswitch_single_loop): ... here.
3421
3422 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3423
3424         * tree-if-conv.c: Fix comments and simplify logic.
3425
3426 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3427
3428         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3429         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
3430         (main_tree_if_conversion): Update call to tree_if_conversion.
3431
3432 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3433
3434         PR 42485
3435         * doc/invoke.texi (-b,-V): Delete.
3436         * doc/tm.texi: Do not mention -b.
3437         * gcc.c (display_help): Delete -b and -V.
3438         (process_command): Delete -b and -V.
3439         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3440
3441 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
3442             Wolfgang Gellerich  <gellerich@de.ibm.com>
3443
3444         Implement target hook for loop unrolling
3445         * target.h (loop_unroll_adjust): Add a new target hook function.
3446         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3447         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3448         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3449         (s390_loop_unroll_adjust): Implement the new target hook for s390.
3450         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3451         target hook.
3452         (decide_unroll_stupid): Likewise.
3453
3454 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3455
3456         PR target/43643
3457         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3458
3459 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3460
3461         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3462         (Specific, *-*-solaris2*): Likewise.
3463         Don't prefer Sun as over GNU as.
3464
3465 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
3466
3467         * config/s390/s390.c (override_options): Adjust the z10
3468           defaults for max-unroll-times, max-completely-peeled-insns
3469           and max-completely-peel-times.
3470
3471 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3472
3473         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3474         instructions for z10.
3475         (s390_expand_setmem): Likewise.
3476         (s390_expand_cmpmem): Likewise.
3477
3478 2010-04-08  Richard Guenther  <rguenther@suse.de>
3479
3480         PR tree-optimization/43679
3481         * tree-ssa-pre.c (eliminate): Only propagate copies.
3482
3483 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3484
3485         PR bootstrap/43681
3486         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3487         set but not used variable warning.
3488
3489 2010-04-08  Wei Guozhi  <carrot@google.com>
3490
3491         PR target/41653
3492         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3493         (arm_size_rtx_costs): Call the new function when optimized for size.
3494
3495 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3496
3497         PR debug/43670
3498         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3499         op0 is not a MEM, just return NULL instead of assertion
3500         failure.
3501         (discover_nonconstant_array_refs): Don't walk debug stmts.
3502
3503 2010-04-08  Doug Kwan  <dougkwan@google.com>
3504
3505         * configure.ac: Recognize gold and do not use its version number
3506         to test ld features.
3507         * configure: Regenerate.
3508
3509 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
3510
3511         PR middle-end/40815
3512         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3513         (negate_value): Move code to push elements to broken_up_substracts ...
3514         (eliminate_plus_minus_pair): ... here.  Push operands that have no
3515         negative pair to plus_negates.
3516         (repropagate_negates, init_reassoc, fini_reassoc): Update.
3517
3518 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3519
3520         * doc/install.texi (Configuration): Move description of
3521         --enable-lto, --with-libelf*, --enable-gold from Java section to
3522         general section.
3523
3524         * doc/generic.texi (Working with declarations)
3525         (Function Properties, C and C++ Trees): Fix typos.
3526         * doc/sourcebuild.texi (Top Level): Likewise.
3527
3528 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3529
3530         PR c/18624
3531         * tree.h (DECL_READ_P): Define.
3532         (struct tree_decl_common): Add decl_read_flag.
3533         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3534         a set but not used warning.
3535         (merge_decls): Merge DECL_READ_P flag.
3536         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3537         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3538         * c-common.c (handle_used_attribute, handle_unused_attribute):
3539         Likewise.
3540         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3541         New prototypes.
3542         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3543         New functions.
3544         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3545         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3546         c_parser_binary_expression, c_parser_cast_expression,
3547         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3548         Call default_function_array_read_conversion instead of
3549         default_function_array_conversion where needed.
3550         (c_parser_unary_expression, c_parser_conditional_expression,
3551         c_parser_postfix_expression_after_primary, c_parser_initelt):
3552         Likewise.  Call mark_exp_read where needed.
3553         (c_parser_statement_after_labels, c_parser_asm_operands,
3554         c_parser_typeof_specifier, c_parser_sizeof_expression,
3555         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3556         where needed.
3557         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3558         New.
3559         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3560         (warn_unused_but_set_parameter): Default to warn_unused
3561         && extra_warnings.
3562         * doc/invoke.texi: Document -Wunused-but-set-variable and
3563         -Wunused-but-set-parameter.
3564
3565         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3566         used count variable.
3567         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3568         when operandN variables aren't used in the body of the expander
3569         or splitter.
3570         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3571         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3572         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3573         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3574         FOR_EACH_IMM_USE_ON_STMT): Likewise.
3575         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3576         * tree.c (PROCESS_ARG): Likewise.
3577
3578 2010-04-07  Simon Baldwin  <simonb@google.com>
3579
3580         * diagnostic.h (diagnostic_override_option_index): New macro to
3581         set a diagnostic's option_index.
3582         * c-tree.h (c_cpp_error): Add warning reason argument.
3583         * opts.c (_warning_as_error_callback): New.
3584         (register_warning_as_error_callback): Store callback for
3585         warnings enabled via enable_warning_as_error.
3586         (enable_warning_as_error): Call callback, minor code tidy.
3587         * opts.h (register_warning_as_error_callback): Declare.
3588         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3589         response to -Werror=.
3590         (c_common_init_options): Register warning_as_error_callback in opts.c.
3591         * common.opt: Add -Wno-cpp option.
3592         * c-common.c (struct reason_option_codes_t): Map cpp warning
3593         reason codes to gcc option indexes.
3594         * (c_option_controlling_cpp_error): New function, lookup the gcc
3595         option index for a cpp warning reason code.
3596         * (c_cpp_error): Add warning reason argument, call
3597         c_option_controlling_cpp_error for diagnostic_override_option_index.
3598         * doc/invoke.texi: Document -Wno-cpp.
3599
3600 2010-04-07  Richard Guenther  <rguenther@suse.de>
3601
3602         * ipa-reference.c (mark_load): Use get_base_address.
3603         (mark_store): Likewise.
3604
3605         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3606         inserting GIMPLE_NOPs into the IL.
3607         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3608         Explicitly strip handled components and indirect references.
3609
3610         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3611         folding address expressions.
3612         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3613         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3614         operand_equal_p to compare decls.
3615         (ptr_deref_may_alias_decl_p): Likewise.
3616         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3617         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3618         Handle reversed comparison ops.
3619         * tree-sra.c (asm_visit_addr): Use get_base_address.
3620         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3621         * ipa-reference.c (mark_address): Use get_base_address.
3622
3623 2010-04-07  Richard Guenther  <rguenther@suse.de>
3624
3625         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3626         Propagate constants everywhere.
3627
3628 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3629
3630         PR debug/43516
3631         * tree.c (MAX_INT_CACHED_PREC): Define.
3632         (nonstandard_integer_type_cache): New array.
3633         (build_nonstandard_integer_type): Cache results for precision
3634         <= MAX_INT_CACHED_PREC.
3635
3636 2010-04-07  Richard Guenther  <rguenther@suse.de>
3637
3638         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3639         -fargument-noalias-global, -fargument-noalias-anything): Remove.
3640         * common.opt: Likewise.
3641         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3642         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3643         (nonoverlapping_memrefs_p): Likewise.
3644         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3645         * opts.c (common_handle_option): Handle OPT_fargument_alias,
3646         OPT_fargument_noalias, OPT_fargument_noalias_anything and
3647         OPT_fargument_noalias_global for backward compatibility.
3648
3649 2010-04-07  Richard Guenther  <rguenther@suse.de>
3650
3651         PR tree-optimization/43270
3652         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3653         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3654         * tree-ssa-pre.c (phi_translate_1): Adjust.
3655         (fully_constant_expression): Split out vn_reference handling to ...
3656         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3657         Fold reads from constant strings.
3658         (vn_reference_lookup): Handle fully constant references.
3659         (vn_reference_lookup_pieces): Likewise.
3660         * Makefile.in (expmed.o-warn): Add -Wno-error.
3661
3662 2010-04-07  Martin Jambor  <mjambor@suse.cz>
3663
3664         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3665
3666 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
3667
3668         PR driver/41594
3669         * gcc.c: Add -static-libstdc++ to list of recognized options.
3670
3671 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3672
3673         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3674
3675 2010-04-07  Richard Guenther  <rguenther@suse.de>
3676
3677         PR middle-end/42617
3678         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3679         bases build simple mem attributes to retain points-to information.
3680
3681 2010-04-07  Richard Guenther  <rguenther@suse.de>
3682
3683         PR middle-end/42617
3684         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3685         preserve points-to related information.
3686
3687 2010-04-07  Richard Guenther  <rguenther@suse.de>
3688
3689         PR middle-end/42617
3690         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3691         discard plain indirect references.
3692         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3693         * tree.c (tree_nop_conversion): Likewise.
3694
3695 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
3696
3697         PR debug/43628
3698         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3699
3700 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
3701
3702         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3703         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3704
3705 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3706
3707         * tree-if-conv.c: Fix indentation and comments.
3708
3709 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3710
3711         * tree-if-conv.c: Sort static functions in topological order.
3712
3713 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3714
3715         * tree-if-conv.c: Fix indentation and comments.
3716
3717 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3718
3719         PR middle-end/43519
3720         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3721         lang_hooks.types.type_for_size instead of
3722         build_nonstandard_integer_type.
3723         When converting an unsigned type to signed, double its precision.
3724         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3725         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3726         (graphite_create_new_loop_guard): When ub + 1 wraps around,
3727         use lb <= ub.
3728
3729 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3730
3731         PR middle-end/43519
3732         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3733         POINTER_PLUS_EXPR for pointer types.
3734
3735 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3736
3737         PR middle-end/43519
3738         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3739         * graphite-clast-to-gimple.c: Include langhooks.h.
3740         (max_signed_precision_type): New.
3741         (max_precision_type): Takes two types as arguments.
3742         (precision_for_value): New.
3743         (precision_for_interval): New.
3744         (gcc_type_for_interval): New.
3745         (gcc_type_for_value): New.
3746         (gcc_type_for_clast_term): New.
3747         (gcc_type_for_clast_red): New.
3748         (gcc_type_for_clast_bin): New.
3749         (gcc_type_for_clast_expr): Split up into several functions.
3750         (gcc_type_for_clast_eq): Rewritten.
3751         (compute_bounds_for_level): New.
3752         (compute_type_for_level_1): New.
3753         (compute_type_for_level): New.
3754         (gcc_type_for_cloog_iv): Removed.
3755         (gcc_type_for_iv_of_clast_loop): Rewritten.
3756         (graphite_create_new_loop): Compute the lower and upper bound types
3757         with gcc_type_for_clast_expr.
3758         (graphite_create_new_loop_guard): Same.
3759         (find_cloog_iv_in_expr): Removed.
3760         (compute_cloog_iv_types_1): Removed.
3761         (compute_cloog_iv_types): Removed.
3762         (gloog): Do not call compute_cloog_iv_types.
3763         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3764         GBB_CLOOG_IV_TYPES.
3765         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3766         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3767         (GBB_CLOOG_IV_TYPES): Removed.
3768
3769 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3770
3771         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3772         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3773         (detect_commutative_reduction): Same.
3774
3775 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3776
3777         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3778         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
3779         argument.
3780         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3781         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3782         (rewrite_commutative_reductions_out_of_ssa): Same.
3783         * passes.c (execute_function_todo): Call verify_ssa for every pass
3784         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
3785         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3786         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3787         with an extra argument.
3788         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
3789         verify_ssa only when the extra argument is true.
3790         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3791         with an extra argument.
3792         (tree_transform_and_unroll_loop): Same.
3793
3794 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3795
3796         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3797         for all the passes of the LNO having LOOP_CLOSED_SSA.
3798         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3799         * tree-loop-distribution.c (pass_loop_distribution): Same.
3800         * tree-pass.h (TODO_verify_loops): Removed.
3801         * tree-ssa-loop.c (pass_tree_loop_init): Same.
3802         (pass_lim): Same.
3803         (pass_tree_unswitch): Same.
3804         (pass_predcom): Same.
3805         (pass_vectorize): Same.
3806         (pass_linear_transform): Same.
3807         (pass_graphite_transforms): Same.
3808         (pass_iv_canon): Same.
3809         (pass_complete_unroll): Same.
3810         (pass_complete_unrolli): Same.
3811         (pass_parallelize_loops): Same.
3812         (pass_loop_prefetch): Same.
3813         (pass_iv_optimize): Same.
3814
3815 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
3816
3817         PR middle-end/32824
3818         * passes.c (init_optimization_passes): Move pass_lim before
3819         pass_copy_prop and pass_dce_loop.
3820
3821 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3822
3823         PR target/43667
3824         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3825         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3826         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3827         MULTI_* defines for 4 argument vpermil2p* builtins.
3828
3829 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3830
3831         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3832         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3833         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3834         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3835         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3836         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3837         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3838         Use x86_maybe_negate_const_int to output insn mnemonic.
3839         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3840         check from instruction predicate.  Update comments.
3841         * config/i386/sync.md (sync_add<mode>): Use
3842         x86_maybe_negate_const_int to output insn mnemonic.
3843
3844 2010-04-06  Jan Hubicka  <jh@suse.cz>
3845
3846         PR tree-optimization/42906
3847         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3848         IGNORE_SELF argument.  Set visited_control_parents for fully
3849         processed BBs.
3850         (find_obviously_necessary_stmts): Update call of
3851         mark_control_dependent_edges_necessary.
3852         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3853
3854 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3855
3856         * config/i386/i386.md: Remove comment about 'e' and 'E'
3857         operand modifier.
3858
3859 2010-04-06  Richard Guenther  <rguenther@suse.de>
3860
3861         PR tree-optimization/43627
3862         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3863         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3864         not varying.
3865
3866 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3867
3868         * BASE-VER: Change to 4.6.0.
3869
3870         PR target/43638
3871         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3872         handling.
3873
3874 2010-04-06  Richard Guenther  <rguenther@suse.de>
3875
3876         PR middle-end/43661
3877         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3878
3879 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3880
3881         * doc/invoke.texi (Optimize Options): Document that LTO
3882         won't remove object access purely due to incompatible
3883         declarations.
3884
3885 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3886
3887         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3888         Initialize variable.
3889
3890 2010-04-03  Richard Guenther  <rguenther@suse.de>
3891
3892         PR middle-end/42509
3893         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3894         require a non-NULL MEM_OFFSET.
3895
3896 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3897
3898         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3899         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3900         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3901         config/alpha/predicates.md, config/arm/arm.md,
3902         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3903         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3904         config/darwin9.h, config/darwin.c, config/darwin.h,
3905         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3906         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3907         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3908         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3909         config/mips/mips.md, config/mn10300/mn10300.c,
3910         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3911         config/rs6000/aix.h, config/rs6000/dfp.md,
3912         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3913         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3914         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3915         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3916         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3917         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3918         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3919         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3920         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3921         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3922         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3923         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3924         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3925         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3926         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3927         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3928         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3929         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3930         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3931         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3932         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3933         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3934         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3935         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3936         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3937         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3938         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3939         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3940         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3941         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3942         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3943         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3944         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3945         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3946         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3947         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3948
3949 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3950
3951         PR other/43620
3952         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3953         * aclocal.m4: Regenerate.
3954
3955 2010-04-02  Richard Guenther  <rguenther@suse.de>
3956
3957         PR tree-optimization/43629
3958         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3959         if we have seen a constant value.
3960
3961 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3962
3963         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3964
3965 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3966
3967         PR target/43469
3968         * arm.c (legitimize_tls_address): Adjust call to
3969         gen_tls_load_dot_plus_four.
3970         (arm_note_pic_base): New function.
3971         (arm_cannot_copy_insn_p): Use it.
3972         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3973         constraint.
3974
3975 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3976
3977         PR bootstrap/43531
3978
3979         Revert:
3980         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3981
3982         * Makefile.in ($(out_object_file)): Depend on
3983         gt-$(basename $(notdir $(out_file))).h.
3984
3985 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3986
3987         * config.gcc (lm32-*-rtems*): Add t-lm32.
3988
3989 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3990
3991         * config.gcc: Add lm32-*-rtems*.
3992         * config/lm32/rtems.h: New file.
3993
3994 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3995
3996         PR target/42609
3997         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3998
3999 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
4000
4001         * dwarf2out.c (output_compilation_unit_header): For
4002         -gdwarf-4 use version 4 instead of version 3.
4003         (output_line_info): For version 4 and above emit additional
4004         maximum ops per insn header field.
4005         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
4006
4007         * dwarf2out.c (is_c_family, is_java): Remove.
4008         (lower_bound_default): New function.
4009      &nbs