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* config/mips/dbxmdebug.h: Remove.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2
3         * config/mips/dbxmdebug.h: Remove.
4         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
5
6 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
7
8         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
9         with null pointer and also warn about ordered comparison of zero with
10         pointer if -Wextra.
11
12 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
13
14         * graphite-blocking.c
15         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
16         * graphite-clast-to-gimple.c
17         (clast_to_gcc_expression): Same.
18         (precision_for_value): Same.
19         (precision_for_interval): Same.
20         (gcc_type_for_interval): Same.
21         (graphite_create_new_guard): Same.
22         (compute_bounds_for_level): Same.
23         (graphite_create_new_loop_guard): Same.
24         * graphite-interchange.c
25         (build_linearized_memory_access): Same.
26         (pdr_stride_in_loop): Same.
27         (memory_strides_in_loop_1): Same.
28         (memory_strides_in_loop): Same.
29         (extend_scattering): Same.
30         (psct_scattering_dim_for_loop_depth): Same.
31         (pbb_number_of_iterations): Same.
32         * graphite-poly.h
33         (debug_iteration_domains): Same.
34         * graphite-ppl.c
35         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
36         (ppl_set_inhomogeneous_gmp): Same.
37         (ppl_strip_loop): Same.
38         (ppl_lexico_compare_linear_expressions): Same.
39         (ppl_read_polyhedron_matrix): Same.
40         (ppl_max_for_le_pointset): Same.
41         * graphite-ppl.h
42         (ppl_read_polyhedron_matrix): Same.
43         (tree_int_to_gmp): Same.
44         (gmp_cst_to_tree): Same.
45         (ppl_set_inhomogeneous): Same.
46         (ppl_set_inhomogeneous_tree): Same.
47         (ppl_set_coef): Same.
48         (ppl_set_coef_tree): Same.
49         * graphite-sese-to-poly.c
50         (build_pbb_scattering_polyhedrons): Same.
51         (build_scop_scattering): Same.
52         (scan_tree_for_params_right_scev): Same.
53         (scan_tree_for_params): Same.
54         (find_params_in_bb): Same.
55         (find_scop_parameters): Same.
56         (add_upper_bounds_from_estimated_nit): Same.
57         (build_loop_iteration_domains): Same.
58         (add_condition_to_domain): Same.
59         (pdr_add_memory_accesses): Same.
60
61 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
62
63         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
64         CLooG's value_* macros to their respective mpz_* counterparts.
65         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
66         (graphite_create_new_loop_guard): Same.
67         * graphite-interchange.c (build_linearized_memory_access): Same.
68         (pdr_stride_in_loop): Same.
69         (memory_strides_in_loop_1): Same.
70         (1st_interchange_profitable_p): Same.
71         * graphite-poly.c (extend_scattering): Same.
72         (psct_scattering_dim_for_loop_depth): Same.
73         (pbb_number_of_iterations): Same.
74         (pbb_number_of_iterations_at_time): Same.
75         * graphite-poly.h (new_1st_loop): Same.
76         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
77         (oppose_constraint): Same.
78         (insert_constraint_into_matrix): Same.
79         (ppl_set_inhomogeneous_gmp): Same.
80         (ppl_set_coef_gmp): Same.
81         (ppl_strip_loop): Same.
82         (ppl_lexico_compare_linear_expressions): Same.
83         (ppl_max_for_le_pointset): Same.
84         (ppl_min_for_le_pointset): Same.
85         (ppl_build_realtion): Same.
86         * graphite-ppl.h (gmp_cst_to_tree): Same.
87         (ppl_set_inhomogeneous): Same.
88         (ppl_set_inhomogeneous_tree): Same.
89         (ppl_set_coef): Same.
90         (ppl_set_coef_tree): Same.
91         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
92         (build_scop_scattering): Same.
93         (add_value_to_dim): Same.
94         (scan_tree_for_params_right_scev): Same.
95         (scan_tree_for_params_int): Same.
96         (scan_tree_for_params): Same.
97         (find_params_in_bb): Same.
98         (find_scop_parameters): Same.
99         (add_upper_bounds_from_estimated_nit): Same.
100         (build_loop_iteration_domains): Same.
101         (create_linear_expr_from_tree): Same.
102         (add_condition_to_domain): Same.
103         (pdr_add_memory_accesses): Same.
104
105 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
106             Jason Merrill  <jason@redhat.com>
107
108         * c-common.c (c_common_reswords): Add nullptr.
109         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
110         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
111         (gen_type_die_with_usage): Likewise.
112         * dbxout.c (dbxout_type): Likewise.
113         * sdbout.c (plain_type_1): Likewise.
114
115 2010-05-06  Jason Merrill  <jason@redhat.com>
116
117         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
118         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
119         ret appropriately.
120         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
121
122         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
123         stripping WITH_SIZE_EXPR.
124         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
125         change.
126
127 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
128
129         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
130         list of obsolete configurations.
131         Disabled check for obsolete configurations.
132         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
133         Removed support for previous versions.
134         * config/mips/iris.h: Removed.
135         * config/mips/iris5.h: Removed.
136         * config/mips/iris6.h: Merged old iris.h contents.
137         (TARGET_IRIX): Removed.
138         (DRIVER_SELF_SPECS): Removed mabi=32.
139         (IDENT_ASM_OP): Removed undef.
140         (STARTFILE_SPEC): Removed mabi=32.
141         (ENDFILE_SPEC): Likewise.
142         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
143         (MACHINE_TYPE): Update for IRIX 6.5.
144         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
145         TARGET_IRIX by TARGET_IRIX6.
146         (mips_file_start): Likewise.
147         (mips_output_external): Remove IRIX 5/6 O32 support.
148         (mips_output_function_prologue): Likewise.
149         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
150         TARGET_IRIX6.
151         (TARGET_CPU_CPP_BUILTINS): Likewise.
152         (TARGET_IRIX): Removed.
153         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
154         (MULTILIB_DIRNAMES): Removed 32.
155         (MULTILIB_OSDIRNAMES): Removed ../lib.
156         * doc/install.texi (Prerequisites): Don't reference IRIX before
157         6.5.
158         (Specific, mips-sgi-irix5): Document removal.
159         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI
160         removal.
161         Remove references to older IRIX 6 releases and the O32 ABI.
162
163 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
164
165         * gcc.dg/Wunused-var-8.c: Move to...
166         * c-c++-common/Wunused-var-6.c: ... here.  New test.
167
168         PR bootstrap/43994
169         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
170         instead of DF_REF_REAL_REG.
171
172 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
173
174         PR target/43888
175         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
176         handling to still return true for x64 targets.
177
178 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
179
180         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
181
182 2010-05-06  Jan Hubicka  <jh@suse.cz>
183
184         PR tree-optimization/43791
185         * ipa-inline.c (update_caller_keys): Remove bogus
186         disregard_inline_limits check.
187
188 2010-05-06  Michael Matz  <matz@suse.de>
189
190         PR tree-optimization/43984
191         * tree-ssa-pre.c (inserted_phi_names): Remove.
192         (inserted_exprs): Change to bitmap.
193         (create_expression_by_pieces): Set bits, don't append to vector.
194         (insert_into_preds_of_block): Don't handle inserted_phi_names.
195         (eliminate): Don't look at inserted_phi_names, remove deleted
196         insns from inserted_exprs.
197         (remove_dead_inserted_code): Adjust to use bitmaps instead of
198         vectors.
199         (init_pre, fini_pre): Allocate and free bitmaps.
200         (execute_pre): Insert insns on edges before elimination.
201
202 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
203
204         * tree.c (initializer_zerop): Handle STRING_CST.
205
206 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
207
208         PR 40989
209         * doc/invoke.texi (Wimplicit): Document as C only.
210         * opts.c (common_handle_option): Add argument kind.
211         (handle_option): Rename as read_cmdline_option. Factor out code to...
212         (handle_option): ... here. New.
213         (handle_options): Rename as read_cmdline_options.
214         (decode_options): Update call.
215         (set_option): Use option index instead of option pointer. Classify
216         diagnostics correctly.
217         (enable_warning_as_error): Call handle_option.
218         * opts.h (set_option): Update declaration.
219         (handle_option): Declare.
220         * langhooks.h (struct lang_hooks): Add argument kind to
221         handle_option.
222         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
223         * c-opts.c (set_Wimplicit): Delete.
224         (c_family_lang_mask): New static constant.
225         (c_common_handle_option): Add argument kind. Use handle_option
226         instead of set_Wimplicit.
227         (c_common_post_options): warn_implicit and warn_implicit_int
228         are disabled by default.
229         * c-common.c (warn_implicit): Do not define here.
230         * c-common.h (warn_implicit): Do not declare here.
231         (c_common_handle_option): Update declaration.
232         * lto-opts.c (lto_reissue_options): Update call to set_option.
233
234 2010-05-06  Richard Guenther  <rguenther@suse.de>
235
236         PR tree-optimization/43571
237         * domwalk.c (walk_dominator_tree): Walk the dominator
238         sons in more optimal order.
239
240 2010-05-06  Richard Guenther  <rguenther@suse.de>
241
242         PR tree-optimization/43934
243         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
244         (stmt_cost): Likewise.
245         (extract_true_false_args_from_phi): New helper.
246         (determine_max_movement): For PHI nodes verify we can hoist them
247         and compute their cost.
248         (determine_invariantness_stmt): Handle PHI nodes.
249         (move_computations_stmt): Likewise.  Hoist PHI nodes in
250         if-converted form using COND_EXPRs.
251         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI
252         nodes.
253         (tree_ssa_lim): Likewise.
254         * tree-flow.h (tree_ssa_lim): Adjust prototype.
255         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
256
257 2010-05-06  Richard Guenther  <rguenther@suse.de>
258
259         PR tree-optimization/43987
260         * tree-ssa-structalias.c (could_have_pointers): For possibly
261         address-taken variables force pointers to be recorded.
262         (create_variable_info_for_1): Likewise.
263         (push_fields_onto_fieldstack): Pass in wheter all fields
264         must have pointers.
265         (find_func_aliases): Query types instead of vars whether
266         they contain pointers where appropriate.
267
268 2010-05-06  Jan Hubicka  <jh@suse.cz>
269
270         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
271         (record_reference, mark_address, mark_load, mark_store): Record
272         references.
273         (record_references_in_initializer): Update call of record_references.
274         (rebuild_cgraph_edges): Remove all references before rebuiding.
275         * cgraph.c (cgraph_create_node): Clear ref list.
276         (cgraph_remove_node): Remove references.
277         (dump_cgraph_node): Dump references.
278         (cgraph_clone_node): Clone references.
279         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
280         (struct cgraph_node, varpool_node): Add ref_lst.
281         * ipa-ref.c: New file.
282         * ipa-ref.h: New file.
283         * ipa-ref-inline.h: New file.
284         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
285         (referenced_from_other_partition_p): New function.
286         (lto_output_varpool_node): Take set arugment; call
287         referenced_from_other_partition.
288         (lto_output_ref): New.
289         (add_references): New.
290         (output_refs): New.
291         (output_cgraph): Compute boundary based on references;
292         output refs.
293         (output_varpool): Accept cgraph_node_set argument.
294         (input_ref): New.
295         (input_refs): New.
296         (input_cgraph): Call input_refs.
297         * lto-section-in.c (lto_section_name): Add refs.
298         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
299         (ipa-ref.o): New file.
300         * varpool.c (varpool_node): Clear ipa ref list.
301         (varpool_remove_node): Remove references.
302         (dump_varpool_node): Dump references.
303         (varpool_assemble_decl): Only compile finalized ones.
304         (varpool_extra_name_alias): Initialize ref list.
305         * lto-streamer.c (lto-get_section_name): Add .refs section.
306         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
307         (referenced_from_other_partition_p): Declared.
308
309 2010-05-06  Ira Rosen  <irar@il.ibm.com>
310
311         PR tree-optimization/43901
312         * tree-vect-stmts.c (vectorizable_call): Assert that vector
313         type is not NULL if it's transformation phase, and return
314         FALSE if it's analysis.
315         (vectorizable_conversion, vectorizable_operation, 
316         vectorizable_type_demotion, vectorizable_type_promotion):
317         Likewise.
318
319 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
320
321         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
322         Delete.
323         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
324         New define.
325         * config/mips/mips-protos.h
326         (mips_small_register_classes_for_mode_p): Delete prototype.
327
328 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
329
330         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
331         * config/arm/arm.c (multiple_operation_profitable_p,
332         compute_offset_order): New static functions.
333         (load_multiple_sequence, store_multiple_sequence): Use them.
334         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
335         memory offsets, not register numbers.
336         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
337
338 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
339
340         * stor-layout.c (pending_sizes): Change the type to
341         VEC(tree,gc) *.
342         (get_pending_sizes, put_pending_size, put_pending_sizes):
343         Update the uses of pending_sizes.
344         * c-decl.c (store_parm_decls): Likewise.
345         * c-tree.h (struct c_arg_info): Likewise.
346         * tree.h: Update the prototype for get_pending_sizes and
347         put_pending_sizes.
348
349 2010-05-05  Jason Merrill  <jason@redhat.com>
350
351         PR debug/43370
352         * c-common.c (handle_aligned_attribute): Respect
353         ATTR_FLAG_TYPE_IN_PLACE.
354
355         PR testsuite/43758
356         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
357         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
358         (TARGET_INITIALIZER): Use it.
359         * c-common.c (attribute_takes_identifier_p): Call it.
360         * c-common.h: Update prototype.
361         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
362         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
363
364 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
365
366         PR debug/43950
367         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
368         DW_ID_down_case for Fortran compilation units.
369
370 2010-05-05  Jan Hubicka  <jh@suse.cz>
371
372         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
373         handle aliases.
374
375 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
376
377         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
378         a variable-sized RESULT_DECL.
379
380 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
381
382         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
383
384 2010-05-05  Jason Merrill  <jason@redhat.com>
385
386         PR c++/43787
387         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
388         returns GS_OK.
389         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
390
391 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
392             Jakub Jelinek  <jakub@redhat.com>
393
394         PR debug/43478
395         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
396         (dead_debug_init, dead_debug_finish): New functions.
397         (dead_debug_add, dead_debug_insert_before): Likewise.
398         (df_note_bb_compute): Initialize a dead_debug object, add dead
399         debug uses to it, insert debug bind insns before death insns,
400         reset debug insns that refer to pending uses at the end.
401         * rtl.h (make_debug_expr_from_rtl): New prototype.
402         * varasm.c (make_debug_expr_from_rtl): New function.
403
404 2010-05-05  Jan Hubicka  <jh@suse.cz>
405
406         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
407         (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
408         lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
409         lto_varpool_encoder_encode_initializer_p,
410         lto_set_varpool_encoder_encode_initializer): New functions.
411         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
412         call output_varpool.
413         (input_varpool_node): Do not always set analyzed.
414         (input_cgraph_1): Return vector of cgraph nodes.
415         (input_varpool_1): Return vector of varpools.
416         (input_cgraph): Free the vectors.
417         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
418         output only initializers needed.
419         (lto_output): Only call output_cgraph.
420         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
421         * lto-section-out.c (lto_new_out_decl_state): Initialize
422         state->varpool_node_encoder.
423         * lto-streamer.h (lto_varpool_encoder_d): New.
424         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.     
425         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
426         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
427         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
428         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
429         Declare.
430         (output_varpool, input_varpool): Remove declarations.
431
432 2010-05-05  Jan Hubicka  <jh@suse.cz>
433
434         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
435         with body can prevail.
436
437 2010-05-05  Jan Hubicka  <jh@suse.cz>
438
439         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
440         size.
441
442 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
443
444         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
445         dependencies.
446
447         * gengtype.h (erro_at_line): Constify pos argument.
448
449         * gengtype.c: Include hashtab.h.
450         (enum gc_used): Document GC_MAYBE_POINTED_TO.
451         (error_at_line): Constify pos argument.
452         (do_typedef): Initialize p->opt field.
453         (get_file_gtfilename): Fix comment typo.
454         (struct walk_type_data): Constify line field.
455         (get_output_file_for_structure): New function.
456         (write_local_func_for_structure): Constify orig_s argument.
457         Use get_output_file_for_structure.
458         (write_func_for_structure): Use get_output_file_for_structure.
459         (INDENT): New define.
460         (dump_pair, dump_type, dump_type_list, dump_typekind)
461         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
462         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
463         functions.
464         (seen_types): New variable.
465         (main): New variable do_dump.  Process "-d" command line option.
466         Call dump_everything if dump requested.
467
468 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
469
470         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
471         in a temporary instead of invoking the macro multiple times.
472         (track_expr_p): Likewise.
473
474 2010-05-04  Neil Vachharajani <nvachhar@google.com>
475
476         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
477         per new semantics.
478         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
479         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
480         conditions for printing notes.
481         * common.opt (-Wcoverage-mismatch): Allow negative, default to
482         true, update documentation.
483         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
484
485 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
486
487         PR c/43981
488         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
489         on dimen.
490
491 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
492
493         PR target/43799
494         * config/i386/i386.md (sse_prologue_save): Add clobber CC
495         register.
496         (*sse_prologue_save_insn1): Likewise.
497         (SSE prologue save splitter): Likewise.
498
499 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
500
501         * tree.c (free_lang_data_in_one_sizepos): New inline function.
502         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
503         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
504         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
505         all decls.  Call it on DECL_FIELD_OFFSET of fields.
506         (find_decls_types_r): Follow DECL_VALUE_EXPR.
507         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
508
509 2010-05-04  Martin Jambor  <mjambor@suse.cz>
510
511         * tree-sra.c (build_access_from_expr_1): The first parameter type
512         changed to simple tree.
513         (build_access_from_expr): Likewise, gsi parameter was eliminated.
514         (scan_assign_result): Renamed to assignment_mod_result, enum elements
515         renamed as well.
516         (build_accesses_from_assign): Removed all parameters except for a
517         simple gimple statement.  Now returns a simple bool.
518         (scan_function): All non-analysis parts moved to separate functions
519         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
520         parameters and updated both callers.
521         (sra_modify_expr): Removed parameter data.
522         (sra_modify_function_body): New function.
523         (perform_intra_sra): Call sra_modify_function_body to modify the
524         function body.
525         (replace_removed_params_ssa_names): Parameter data changed into
526         adjustments vector.
527         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
528         changed the parameter dont_convert to convert with the opposite
529         meaning.
530         (sra_ipa_modify_assign): Parameter data changed into adjustments
531         vector, return value changed to bool.
532         (ipa_sra_modify_function_body): New function.
533         (sra_ipa_reset_debug_stmts): Updated a comment.
534         (modify_function): Use ipa_sra_modify_function_body to modify function
535         body.
536
537 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
538
539         PR middle-end/43671
540         * alias.c (true_dependence): Handle the same VALUE in x and mem.
541         (canon_true_dependence): Likewise.
542         (write_dependence_p): Likewise.
543
544 2010-05-04  Jan Hubicka  <jh@suse.cz>
545
546         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
547         * cgraphbuild.c: Include ipa-utils.h
548         (record_reference_ctx): New struct.
549         (record_reference): Simplify to work on initializers; not statements.
550         (mark_address, mark_load, mark_store): New.
551         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
552         walk PHI nodes too.
553         (record_references_in_initializer): Update use of record_reference.
554         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
555         walk PHI nodes too.
556
557 2010-05-04  Jan Hubicka  <jh@suse.cz>
558
559         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
560         node will be removed anyway.
561         (lto_varpool_replace_node): Allow also unanalyzed nodes;
562         relink aliases of node into prevailing node.
563         * varpool.c (varpool_remove_node): Remove aliases properly;
564         when removing node, remove all its aliases too; remove DECL_INITIAL
565         of removed node; ggc_free the varpool node.
566
567 2010-05-04  Richard Guenther  <rguenther@suse.de>
568
569         PR tree-optimization/43879
570         * tree-ssa-structalias.c (alias_get_name): Use
571         DECL_ASSEMBLER_NAME if available.
572         (create_function_info_for): Return the varinfo node.
573         (ipa_pta_execute): Associate same-body aliases and extra names
574         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
575
576 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
577
578         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
579         static.
580
581 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
582
583         PR bootstrap/43964
584         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
585         only if HONOR_REG_ALLOC_ORDER is not defined.
586
587 2010-05-04  Richard Guenther  <rguenther@suse.de>
588
589         PR tree-optimization/43949
590         * tree-vrp.c (extract_range_from_binary_expr): Only handle
591         TRUNC_MOD_EXPR.
592
593 2010-04-26  Jason Merrill  <jason@redhat.com>
594
595         * c.opt (-fstrict-enums): New.
596         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
597
598 2010-05-03  David Ung <davidu@mips.com>
599             James E. Wilson  <wilson@codesourcery.com>
600
601         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
602         emit the trap instruction before the divide for TUNE_74K.
603
604 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
605
606         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
607         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
608         based on the above, for new target hook.
609
610         * hooks.c (hook_bool_mode_true): New generic hook.
611         * hooks.h (hook_bool_mode_true): Add prototype.
612
613         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
614         target hook.
615         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
616         target hook, set to hook_bool_mode_false.
617         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
618         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
619         with targetm.small_register_classes_for_mode_p.
620         (find_reusable_reload): Likewise.
621         (combine_reloads): Likewise.
622         * reload1.c (reload_as_needed): Likewise.
623         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
624         * ifcvt.c (noce_process_if_block, check_cond_move_block,
625         dead_or_predicable): Likewise.
626         * regmove.c (optimize_reg_copy_1): Likewise.
627         * calls.c (prepare_call_address): Likewise.
628         (precompute_register_parameters): Likewise.
629
630         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
631         hook definition.
632         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
633         implementation of the hook that considers all register classes
634         small except for SH64.
635         (sh_override_options): Use the new hook.
636         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
637         Add prototype.
638
639         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
640         hook definition.
641         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
642         implementation of the hook that considers all register classes
643         small for THUMB1.
644         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
645         Add prototype.
646
647         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
648         hook definition.
649         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
650         implementation of the hook that considers all register classes
651         small for MIPS16.
652         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
653         Add prototype.
654
655         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
656         hook definition.
657         * config/m32c/m32c.h: Likewise.
658         * config/pdp11/pdp11.h: Likewise.
659         * config/avr/avr.h: Likewise.
660         * config/xtensa/xtensa.h: Likewise.
661         * config/m68hc11/m68hc11.h: Likewise.
662         * config/mn10300/mn10300.h: Likewise.
663         * config/mcore/mcore.h: Likewise.
664         * config/h8300/h8300.h: Likewise.
665         * config/bfin/bfin.h: Likewise.
666
667         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
668         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
669
670 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
671
672         * double-int.h (tree_to_double_int): Remove macro.
673         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
674         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
675         (tree_to_double_int): New function.
676         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
677         Move ...
678         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
679
680 2010-05-03  Richard Guenther  <rguenther@suse.de>
681
682         PR tree-optimization/43971
683         * tree-ssa-structalias.c (get_constraint_for_1): Fix
684         constraints in the !flag_delete_null_pointer_checks case.
685
686 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
687
688         PR debug/43972
689         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
690         result mode matches original rtl mode.
691
692 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
693
694         PR target/43888
695         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
696
697 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
698
699         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
700         when processing flag options.
701
702 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
703
704         * gcov-iov.c (main): Change format string placeholder
705         from %#08x to 0x%08x.
706         * genchecksum.c (dosum): Change format string placeholder
707         from %#02x to 0x%02x.
708
709 2010-05-02  Richard Guenther  <rguenther@suse.de>
710
711         PR tree-optimization/43879
712         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
713
714 2010-05-02  Bruno Haible  <bruno@clisp.org>
715
716         * doc/extend.texi (Function Attributes): Fix a typo.
717
718 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
719
720         Revert:
721         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
722         placeholder from 0x%x to %#x.
723         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
724         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
725         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
726         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
727         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
728         * config/i386/i386.c (ix86_target_string): Ditto.
729         * config/i386/i386.c (output_pic_addr_const): Ditto.
730         (print_operand): Ditto.
731
732 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
733
734         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
735         placeholder from 0x%x to %#x.
736         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
737         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
738         (ASM_OUTPUT_DEBUG_DATA): Ditto.
739         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
740         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
741         * optc-gen.awk: Ditto.
742         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
743         (HOST_WIDE_INT_PRINT_HEX): Ditto.
744         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
745         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
746
747 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
748
749         * target.h (struct calls): Add function_value_regno_p field.
750         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
751         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
752         * targhooks.c (default_function_value_regno_p): New function.
753         * targhooks.h (default_function_value_regno_p): Declare function.
754         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
755         * builtins.c. (apply_result_size): (Ditto.).
756         * combine.c. (likely_spilled_retval_p): (Ditto.).
757         * mode-switching.c. Include 'target.h'.
758         (create_pre_exit): Use function_value_regno_p hook.
759         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
760         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
761         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
762
763         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
764         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
765         (ix86_function_value_regno_p): Declare as static, change argument
766         type to const unsigned int.
767         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
768
769 2010-05-01  Richard Guenther  <rguenther@suse.de>
770
771         PR tree-optimization/43949
772         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
773         types.
774         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
775
776 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
777
778         * rtl.h (CONST_DOUBLE_P): Define.
779         (rtx_to_double_int): Declare.
780         * emit-rtl.c (rtx_to_double_int): New function.
781         * dwarf2out.c (insert_double): New function.
782         (loc_descriptor, add_const_value_attribute): Clean up, use
783         rtx_to_double_int and insert_double functions.
784
785 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
786
787         * doc/extend.texi (Inline): Add missing return keyword to examples.
788         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
789         "command-line".
790
791 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
792
793         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
794         the variable part of the offset as well.  Use highest_pow2_factor for
795         all alignment checks.
796
797 2010-04-30  Richard Guenther  <rguenther@suse.de>
798
799         PR tree-optimization/43879
800         * tree-ssa-structalias.c (type_could_have_pointers): Functions
801         can have pointers.
802
803 2010-04-30  Jan Hubicka  <jh@suse.cz>
804
805         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
806         varpool.
807         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
808
809 2010-04-30  Jan Hubicka  <jh@suse.cz>
810
811         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
812         New.
813         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
814         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
815         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
816         cgraph_node_set_needs_ltrans_p): Remove.
817
818 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
819
820         * sdbout.c: Include vec.h, do not include varray.h.
821         (deferred_global_decls, sdbout_global_decl,
822         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
823         * toplev.c: Do not include varray.h.
824         (dump_memory_report): Do not dump VARRAY statistics.
825         * gengtype.c (open_base_file): Ignore varray.h.
826         * Makefile.in: Update for abovementioned changes.
827         Remove all traces of varray.c and varray.h.
828         * varray.c: Remove file.
829         * varray.h: Remove file.
830
831 2010-04-30  Jan Hubicka  <jh@suse.cz>
832
833         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
834         references.
835
836 2010-04-30  Jan Hubicka  <jh@suse.cz>
837
838         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
839         needed.
840
841 2010-04-30  Richard Guenther  <rguenther@suse.de>
842
843         * tree-ssa-structalias.c (get_constraint_for_1): Generate
844         constraints for CONSTRUCTOR.
845
846 2010-04-30  Richard Guenther  <rguenther@suse.de>
847
848         PR lto/43946
849         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
850         first after all lowering passes.
851
852 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
853
854         * toplev.c: Include varray.h for statistics dumping.
855         * tree.h: Do not declare varray_head_tag.
856         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
857         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
858         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
859         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
860         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
861         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
862         c-common.c, c-common.h, reg-stack.c, basic-block.h,
863         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
864         include varray.h.
865         * Makefile.in: Update for abovementioned changes.
866
867 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
868
869         PR debug/43942
870         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
871
872 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
873
874         * config/picochip/picochip.c (picochip_legitimize_address): Define.
875         Use this function to do machine-specific conversion.
876         (picochip_legitimize_reload_address): Likewise.
877         (picochip_legitimate_address_p): Check valid base register only if
878         strict.
879         (picochip_check_conditional_copy): Check for modw only if opnd is
880         register.
881         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
882         to call the function in c.
883         * config/picochip/picochip-protos.h
884         (picochip_legitimize_reload_address): Define.
885         * config/picochip/picochip.md (supported_compare1): Define.
886
887 2010-04-30  Jan Hubicka  <jh@suse.cz>
888
889         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
890         (cgraph_global_info): Remove inlined.
891         (LTO_cgraph_tag_names): Remove.
892         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
893         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
894         simplify cgraph tags and document.
895         (lto_output_node): Use only LTO_cgraph_unavail_node and
896         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
897         for_functions_valid, global info, process and output flags.
898         (input_overwrite_node): Initialize estimated stack size and
899         estimated growth.  Do not read flags we no longer store.
900         (input_node): Likewise do not read info no longer stored.
901         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
902         flag.
903
904 2010-04-30  Richard Guenther  <rguenther@suse.de>
905
906         PR tree-optimization/43879
907         * tree-ssa-structalias.c (get_constraint_for_1): Properly
908         handle non-zero initializers.
909
910 2010-04-30  Richard Guenther  <rguenther@suse.de>
911
912         * builtins.c (fold_builtin_1): Delete free (0).
913
914 2010-04-29  Jan Hubicka  <jh@suse.cz>
915
916         * gengtype.c (open_base_files): Add lto-streamer.h
917         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
918         (pass_ipa_cp): GGC collect.
919         * toplev. (compile_file): Do not output symbols.
920         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
921         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
922         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
923         * lto-section-in.c: Include ggc.h
924         (lto_new_in_decl_state): Alloc in GGC.
925         (lto_delete_in_decl_state): Likewise.
926         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
927         Collect.
928
929 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
930
931         PR target/42895
932         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
933         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
934         (HONOR_REG_ALLOC_ORDER): Describe new macro.
935         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
936         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
937         account only if HONOR_REG_ALLOC_ORDER is not defined.
938         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
939         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
940
941 2010-04-29  Jon Grant  <04@jguk.org>
942
943         * collect2.c (vflag): Change type from int to bool.
944         (debug): Likewise.
945         (helpflag): New global bool.
946         (main): Set vflag and debug with boolean, not integer truth values.
947         Accept new "--help" option and output usage text if found.
948         * collect2.h (vflag): Update prototype.
949         (debug): Likewise.
950
951 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
952
953         PR bootstrap/43936
954         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
955
956 2010-04-29  Richard Guenther  <rguenther@suse.de>
957
958         PR bootstrap/43935
959         * plugin.h (invoke_plugin_callbacks): Annotate arguments
960         with ATTRIBUTE_UNUSED.
961
962 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
963
964         PR target/43921
965         * config/i386/i386.c (get_some_local_dynamic_name): Replace
966         INSN_P with NONDEBUG_INSN_P.
967         (distance_non_agu_define): Likewise.
968         (distance_agu_use): Likewise.
969
970 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
971
972         From Dominique d'Humieres <dominiq@lps.ens.fr>
973         PR bootstrap/43858
974         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
975         test_set.
976
977 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
978
979         * plugin.h (invoke_plugin_callbacks): New inline function.
980         * plugin.c (flag_plugin_added): New global flag.
981         (add_new_plugin): Initialize above flag.
982         (invoke_plugin_callbacks): Rename to ...
983         (invoke_plugin_callbacks_full): ... this.
984
985 2010-04-28  Jan Hubicka  <jh@suse.cz>
986
987         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
988         (lto_varpool_replace_node): New.
989         (lto_symtab_resolve_symbols): Resolve varpool nodes.
990         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
991         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
992         * cgraph.h (varpool_node_ptr): New type.
993         (varpool_node_ptr): New vector.
994         (varpool_node_set_def): New structure.
995         (varpool_node_set): New type.
996         (varpool_node_set): New vector.
997         (varpool_node_set_element_def): New structure.
998         (varpool_node_set_element, const_varpool_node_set_element): New types.
999         (varpool_node_set_iterator): New type.
1000         (varpool_node): Add prev pointers, add used_from_other_partition,
1001         in_other_partition.
1002         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1003         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1004         varpool_get_node, varpool_remove_node): Declare.
1005         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1006         varpool_node_set_size): New inlines.
1007         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1008         * tree-pass.h (varpool_node_set_def): Forward declare.
1009         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1010         (ipa_write_optimization_summaries): Update prototype.
1011         * ipa-cp.c (ipcp_write_summary): Update.
1012         * ipa-reference.c (ipa_reference_write_summary): Update.
1013         * lto-cgraph.c (lto_output_varpool_node): New static function.
1014         (output_varpool): New function.
1015         (input_varpool_node): New static function.
1016         (input_varpool_1): New function.
1017         (input_cgraph): Input varpool.
1018         * ipa-pure-const.c (pure_const_write_summary): Update.
1019         * lto-streamer-out.c (lto_output): Update, output varpool too.
1020         (write_global_stream): Kill WPA hack.
1021         (produce_asm_for_decls): Update.
1022         (output_alias_pair_p): Handle variables.
1023         (output_unreferenced_globals): Output only needed partition of varpool.
1024         * ipa-inline.c (inline_write_summary): Update.
1025         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1026         cgraph.
1027         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1028         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1029         varpool_node_set_new, varpool_node_set_add,
1030         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1031         debug_varpool_node_set): New functions.
1032         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1033         (execute_one_pass): Process new decls too.
1034         (ipa_write_summaries_2): Pass around vsets.
1035         (ipa_write_summaries_1): Likewise.
1036         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1037         to add.
1038         (ipa_write_optimization_summaries_1): Pass around vsets.
1039         (ipa_write_optimization_summaries): Likewise.
1040         * varpool.c (varpool_get_node): New.
1041         (varpool_node): Update doubly linked lists.
1042         (varpool_remove_node): New.
1043         (dump_varpool_node): More dumping.
1044         (varpool_enqueue_needed_node): Update doubly linked lists.
1045         (decide_is_variable_needed): Kill ltrans hack.
1046         (varpool_finalize_decl): Kill lto hack.
1047         (varpool_assemble_decl): Skip decls in other partitions.
1048         (varpool_assemble_pending_decls): Update doubly linkes lists.
1049         (varpool_empty_needed_queue): Likewise.
1050         (varpool_extra_name_alias): Likewise.
1051         * lto-streamer.c (lto_get_section_name): Add vars section.
1052         * lto-streamer.h (lto_section_type): Update.
1053         (output_varpool, input_varpool): Declare.
1054
1055 2010-04-28  Mike Stump  <mikestump@comcast.net>
1056
1057         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1058
1059 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1060
1061         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1062         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1063         (lto_input_ts_type_tree_pointers): Likewise.
1064         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1065         (lto_output_ts_type_tree_pointers): Likewise.
1066
1067 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1068
1069         Uniquization of constants at the Tree level
1070         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1071         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1072         bit to the end.
1073         (tree_output_constant_def): Declare.
1074         * gimplify.c (gimplify_init_constructor): When using block copy, first
1075         uniquize the constant constructor on the RHS.
1076         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1077         DECL_IN_CONSTANT_POOL flag.
1078         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1079         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1080         constant pool.
1081         (assemble_variable): Deal with symbols belonging to the tree constant
1082         pool.
1083         (get_constant_section): Add ALIGN parameter and simplify.
1084         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1085         (assemble_constant_contents): Use the expression of the VAR_DECL.
1086         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1087         (tree_output_constant_def): New global function.
1088         (mark_constant): Use the expression of the VAR_DECL.
1089         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1090         its expression.
1091         (output_object_block): Likewise and assemble the expression.
1092
1093 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1094
1095         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1096         hash_tree, eq_tree): New tree hash table.
1097         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1098         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1099         lto_orig_address_remove): Reimplement.
1100
1101 2010-04-28  Xinliang David Li  <davidxl@google.com>
1102
1103         PR c/42643
1104         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1105         (compute_uninit_opnds_pos): New function.
1106         (is_non_loop_exit_postdominating): New function.
1107         (compute_control_dep_chain): New function.
1108         (find_pdom): New function.
1109         (convert_control_dep_chain_into_preds): New function.
1110         (find_predicates): New function.
1111         (find_control_equiv_block): New function.
1112         (collect_phi_def_edges): New function.
1113         (find_def_preds): New function.
1114         (find_dom): New function.
1115         (dump_predicates): New function.
1116         (get_cmp_code): New function.
1117         (is_value_included_in): New function.
1118         (find_matching_predicate_in_rest_chains): New function.
1119         (use_pred_not_overlap_with_undef_path_pred): New function.
1120         (is_use_properly_guarded): New function.
1121         (normalize_cond_1): New function.
1122         (is_and_or_or): New function.
1123         (normalize_cond): New function.
1124         (is_gcond_subset_of): New function.
1125         (is_subset_of_any): New function.
1126         (is_or_set_subset_of): New function.
1127         (is_and_set_subset_of): New function.
1128         (is_norm_cond_subset_of): New function.
1129         (is_pred_expr_subset_of): New function.
1130         (is_pred_chain_subset_of): New function.
1131         (is_included_in): New function.
1132         (is_superset_of): New function.
1133         (find_uninit_use): New function.
1134         (warn_uninitialized_phi): New function.
1135         (compute_possibly_undefined_names): New function.
1136         (ssa_undefined_value_p): New function.
1137         (execute_late_warn_uninitialized): New function.
1138         * tree-ssa.c (ssa_undefined_value_p): Removed.
1139         (warn_uninit): Changed to extern.
1140         (warn_uninitialized_phi): Removed.
1141         (warn_uninitialized_vars): Changed to extern.
1142         (execute_late_warn_uninitialized): Removed
1143         * tree-flow.h: Add new prototypes.
1144         * timevar.def: Add new time variable.
1145         * Makefile.in: Add new build file.
1146
1147 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1148
1149         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1150         type if available.
1151
1152 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1153
1154         PR target/22224
1155         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1156
1157 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1158
1159         * cgraph.h (struct cgraph_node): New field indirect_calls.
1160         (struct cgraph_indirect_call_info): New type.
1161         (struct cgraph_edge): Removed field indirect_call. New fields
1162         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1163         (cgraph_create_indirect_edge): Declare.
1164         (cgraph_make_edge_direct): Likewise.
1165         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1166         * ipa-prop.h (struct ipa_param_call_note): Removed.
1167         (struct ipa_node_params): Removed field param_calls.
1168         (ipa_create_all_structures_for_iinln): Declare.
1169         * cgraph.c: Described indirect edges and uids in initial comment.
1170         (cgraph_add_edge_to_call_site_hash): New function.
1171         (cgraph_edge): Search also among the indirect edges, use
1172         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1173         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1174         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1175         site hash.
1176         (initialize_inline_failed): Assign a reason to indirect edges.
1177         (cgraph_create_edge_1): New function.
1178         (cgraph_create_edge): Moved some functionality to
1179         cgraph_create_edge_1.
1180         (cgraph_create_indirect_edge): New function.
1181         (cgraph_edge_remove_callee): Add an assert checking for
1182         non-indirectness.
1183         (cgraph_edge_remove_caller): Special-case indirect edges.
1184         (cgraph_remove_edge): Likewise.
1185         (cgraph_set_edge_callee): New function.
1186         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1187         (cgraph_make_edge_direct): New function.
1188         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1189         the declaration of the call statement matches.
1190         (cgraph_node_remove_callees): Special-case indirect edges.
1191         (cgraph_clone_edge): Likewise.
1192         (cgraph_clone_node): Clone also the indirect edges.
1193         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1194         indirect_call, dump count of indirect_calls edges.
1195         * ipa-prop.c (iinlining_processed_edges): New variable.
1196         (ipa_note_param_call): Create indirect edges instead of
1197         creating notes.  New parameter node.
1198         (ipa_analyze_call_uses): New parameter node, pass it on to
1199         ipa_note_param_call.
1200         (ipa_analyze_stmt_uses): Likewise.
1201         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1202         (print_edge_addition_message): Work on edges rather than on notes.
1203         (update_call_notes_after_inlining): Likewise, renamed to
1204         update_indirect_edges_after_inlining.
1205         (ipa_create_all_structures_for_iinln): New function.
1206         (ipa_free_node_params_substructures): Do not free notes.
1207         (ipa_edge_duplication_hook): Propagate bits within
1208         iinlining_processed_edges bitmap.
1209         (ipa_node_duplication_hook): Do not duplicate notes.
1210         (free_all_ipa_structures_after_ipa_cp): Renamed to
1211         ipa_free_all_structures_after_ipa_cp.
1212         (free_all_ipa_structures_after_iinln): Renamed to
1213         ipa_free_all_structures_after_iinln.g
1214         (ipa_write_param_call_note): Removed.
1215         (ipa_read_param_call_note): Removed.
1216         (ipa_write_indirect_edge_info): New function.
1217         (ipa_read_indirect_edge_info): Likewise.
1218         (ipa_write_node_info): Do not stream notes, do stream information
1219         in indirect edges.
1220         (ipa_read_node_info): Likewise.
1221         (lto_ipa_fixup_call_notes): Removed.
1222         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1223         * ipa-inline.c (pass_ipa_inline): Likewise.
1224         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1225         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1226         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1227         is_gimple_call.
1228         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1229         edges.
1230         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1231         (output_cgraph): Stream also indirect edges.
1232         (lto_output_edge): Added capability to stream indirect edges.
1233         (input_edge): Likewise.
1234         (input_cgraph_1): Likewise.
1235         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1236         of indirect edges.
1237
1238 2010-04-28  Richard Guenther  <rguenther@suse.de>
1239
1240         PR tree-optimization/43879
1241         PR tree-optimization/43909
1242         * tree-ssa-structalias.c (struct variable_info): Add
1243         only_restrict_pointers flag.
1244         (new_var_info): Initialize it.  Increment stats.total_vars here.
1245         (create_function_info_for): Do not increment stats.total_vars
1246         here.
1247         (get_function_part_constraint): Fix build with C++.
1248         (insert_into_field_list): Remove.
1249         (push_fields_onto_fieldstack): Properly merge fields.
1250         (create_variable_info_for): Split and simplify.
1251         (create_variable_info_for_1): New piece.
1252         (intra_create_variable_infos): Properly make restrict constraints
1253         from parameters.
1254
1255 2010-04-28  Richard Guenther  <rguenther@suse.de>
1256
1257         PR c++/43880
1258         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1259
1260 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1261             Jan Hubicka <hubicka@ucw.cz>
1262
1263         * doc/invoke.texi (-Wsuggest-attribute=const,
1264         -Wsuggest-attribute=pure): Document.
1265         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1266         (function_always_visible_to_compiler_p,
1267         suggest_attribute, warn_function_pure, warn_function_const):
1268         New functions.
1269         (check_call): Improve debug info.
1270         (analyze_function): Do not check availability.
1271         (add_new_function): Check availability.
1272         (propagate): Output warnings.
1273         (skip_function_for_local_pure_const): New function.
1274         (local_pure_const): Use it; output warnings.
1275         * common.opt (Wsuggest-attribute=const,
1276         Wsuggest-attribute=pure): New.
1277
1278 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1279
1280         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1281         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1282         or DW_CFA_def_cfa_offset{,_sf}.
1283
1284 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1285
1286         * tree.h: Fix truncated long macros.
1287
1288 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1289
1290         * collect2.c (TARGET_64BIT): Redefine to target's default.
1291         * tlink.c: Likewise.
1292         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1293         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1294         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1295         for underscoring __USER_LABEL_PREFIX__.
1296         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1297         (SUB_LINK_ENTRY32): New.
1298         (SUB_LINK_ENTRY64): New.
1299         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1300         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1301         (SUB_LINK_ENTRY64): New.
1302         (SUB_LINK_ENTRY): New.
1303         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1304         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1305         x64 target is choosen.
1306         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1307         * configure: Regenerated.
1308         * configure.ac (leading-mingw64-underscores): Option added.
1309
1310 2010-04-27  Jan Hubicka  <jh@suse.cz>
1311
1312         * doc/invoke.texi (-fipa-profile): Document.
1313         * opts.c (decode_options): Enable ipa-profile at -O1.
1314         * timevar.def (TV_IPA_PROFILE): Define.
1315         * common.opt (fipa-profile): Add.
1316         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1317         flag for clones.
1318         (cgraph_propagate_frequency): Handle only local ones.
1319         * tree-pass.h (pass_ipa_profile): Declare.
1320         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1321         (pass_ipa_profile): Use TV_IPA_PROFILE.
1322         * ipa.c (ipa_profile): New function.
1323         (gate_ipa_profile): Likewise.
1324         (pass_ipa_profile): New global variable.
1325         * passes.c (pass_ipa_profile): New.
1326
1327 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1328
1329         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1330
1331 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1332
1333         PR middle-end/43812
1334         * ipa.c (dissolve_same_comdat_group_list): New function.
1335         (function_and_variable_visibility): Call
1336         dissolve_same_comdat_group_list when comdat group contains external or
1337         newly local nodes.
1338         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1339         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1340
1341 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1342
1343         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1344         (const_hash_1) <VECTOR_CST>: New case.
1345         (compare_constant) <VECTOR_CST>: Likewise.
1346         <ADDR_EXPR>: Deal with LABEL_REFs.
1347         (copy_constant) <VECTOR_CST>: New case.
1348
1349 2010-04-27  Jan Hubicka  <jh@suse.cz>
1350
1351         * cgraph.c (cgraph_propagate_frequency): New function.
1352         * cgraph.h (cgraph_propagate_frequency): Declare.
1353         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1354         cgraph_propagate_frequency.
1355
1356 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1357
1358         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1359
1360 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1361
1362         PR target/40657
1363         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1364         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1365         here to determine which regs to push and how much stack to reserve.
1366
1367 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1368
1369         * doc/gimple.texi (gimple_statement_with_ops): Remove
1370         addresses_taken field.
1371         (gimple_statement_with_memory_ops): Likewise.
1372
1373 2010-04-27  Jan Hubicka  <jh@suse.cz>
1374
1375         * tree-inline.c (eni_inlining_weights): Remove.
1376         (estimate_num_insns): Special case more builtins.
1377
1378 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1379
1380         PR c/32207
1381         * c-typeck.c (build_binary_op): Move forward check for comparison
1382         pointer with null pointer constant and adjust the diagnostic message.
1383
1384 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1385
1386         PR lto/42776
1387         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1388         binutils supports extended .section directive needed by LTO, or
1389         warn if older binutils found.
1390         (LTO_BINARY_READER): New AC_SUBST'd variable.
1391         (LTO_USE_LIBELF): Likewise.
1392         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1393         variable.
1394         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1395         (LTO_USE_LIBELF): Likewise.
1396         * configure: Regenerate.
1397
1398         * collect2.c (is_elf): Rename from this ...
1399         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1400          object files in addition to ELF-formatted ones.
1401         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1402         symbol to be prefixed or not by an extra underscore.
1403
1404         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1405         * config/i386/winnt.c: Also #include lto-streamer.h
1406         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1407         LTO named sections.
1408         (i386_pe_asm_output_aligned_decl_common): Add comment.
1409         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1410
1411 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1412
1413         PR target/43889
1414         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1415         Add missing earlyclobber for second alternative.
1416
1417 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1418
1419         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1420         bits for artificial defs at the top of the block.
1421         * fwprop.c (single_def_use_enter_block): Don't call it.
1422
1423 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1424
1425         PR 43715
1426         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1427         instead of "$gcc_cv_objdump -T".
1428         Use "-undefined dynamic_lookup" on darwin.
1429         * gcc/configure: Regenerate.
1430
1431 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1432
1433         PR c/43893
1434         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1435
1436 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1437
1438         * c-parser.c (struct c_token): Move location field up.
1439         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1440         (struct c_declspecs): Convert typespec_word, storage_class, and
1441         default_int_p into bitfields.
1442         (struct c_declarator): Move loc field up.
1443
1444 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1445
1446         * cfgloop.h (struct loop): Move can_be_parallel field up.
1447         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1448         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1449         down.
1450         (struct iv_cand): Convert pos field into a bitfield.
1451         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1452         field up.
1453         (struct _stmt_vec_info): Shuffle fields for better packing.
1454
1455 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1456
1457         * varasm.c (IN_NAMED_SECTION): Remove guard.
1458         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1459         (IN_NAMED_SECTION_P): ...this.
1460         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1461         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1462
1463 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1464
1465         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1466         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1467         of shadowing it.  Fix comments.
1468
1469 2010-04-26  Jan Hubicka  <jh@suse.cz>
1470
1471         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1472         (cgraph_clone_node): Copy function frequency.
1473         * cgraph.h (node_frequency): New enum
1474         (struct cgraph_node): Add.
1475         * final.c (rest_of_clean_state): Update.
1476         * lto-cgraph.c (lto_output_node): Output node frequency.
1477         (input_overwrite_node): Input node frequency.
1478         * tre-ssa-loop-ivopts (computation_cost): Update.
1479         * lto-streamer-out.c (output_function): Do not output function
1480         frequency.
1481         * predict.c (maybe_hot_frequency_p): Update and handle functions
1482         executed once.
1483         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1484         attribute lookup.
1485         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1486         (compute_function_frequency): Set noreturn functions to be executed
1487         once.
1488         (choose_function_section): Update.
1489         * lto-streamer-in.c (input_function): Do not input function frequency.
1490         * function.c (allocate_struct_function): Do not initialize function
1491         frequency.
1492         * function.h (function_frequency): Remove.
1493         (struct function): Remove function frequency.
1494         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1495         (try_update): Update.
1496         * tree-inline.c (initialize_cfun): Do not update function frequency.
1497         * passes.c (pass_init_dump_file): Update.
1498         * i386.c (ix86_compute_frame_layout): Update.
1499         (ix86_pad_returns): Update.
1500
1501 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1502
1503         PR tree-optimization/43833
1504         * tree-vrp.c (range_int_cst_p): New.
1505         (range_int_cst_singleton_p): New.
1506         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1507         when both operands are constants.  Use range_int_cst_p in
1508         BIT_IOR_EXPR case.
1509
1510 2010-04-26  Jan Hubicka  <jh@suse.cz>
1511
1512         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1513
1514 2010-04-26  Richard Guenther  <rguenther@suse.de>
1515
1516         PR lto/43080
1517         * gimple.c (gimple_decl_printable_name): Deal gracefully
1518         with a NULL DECL_NAME.
1519
1520 2010-04-26  Richard Guenther  <rguenther@suse.de>
1521
1522         PR lto/42425
1523         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1524         if emitting debug information and it is either a function
1525         or a namespace decl.
1526
1527 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1528
1529         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1530         determine if the statement is vectorizable, and a macro to access it.
1531         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1532         Skip statements that can't be vectorized. If the analysis fails,
1533         mark the statement as unvectorizable if vectorizing basic block.
1534         (vect_compute_data_refs_alignment): Likewise.
1535         (vect_verify_datarefs_alignment): Skip statements marked as
1536         unvectorizable. Add print.
1537         (vect_analyze_group_access): Skip statements that can't be
1538         vectorized. If the analysis fails, mark the statement as
1539         unvectorizable if vectorizing basic block.
1540         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1541         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1542         generated stmts for SLP.
1543         (new_stmt_vec_info): Initialize the new field.
1544         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1545         statements marked as unvectorizable.
1546
1547 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1548
1549         * c-common.c (flag_isoc1x): New.
1550         (flag_isoc99): Update comment.
1551         * c-common.h (flag_isoc1x): New.
1552         (flag_isoc99): Update comment.
1553         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1554         __<type>_DECIMAL_DIG__.
1555         * c-opts.c (set_std_c1x): New.
1556         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1557         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1558         * c.opt (-std=c1x, -std=gnu1x): New options.
1559         * doc/cpp.texi: Mention -std=c1x.
1560         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1561         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1562         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1563         * doc/standards.texi: Mention C1X.
1564         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1565         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1566         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1567         Define for C1X.
1568
1569 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1570
1571         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1572         placeholder from 0x%x to %#x.
1573         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1574         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1575         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1576         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1577         * config/i386/i386.c (ix86_target_string): Ditto.
1578         (output_pic_addr_const): Ditto.
1579         (print_operand): Ditto.
1580
1581 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1582
1583         * combine.c (find_split_point): Add third argument.  Use it
1584         to find nested multiply-accumulate instructions.  Adjust calls.
1585         (try_combine): Adjust call to find_split_point.
1586
1587 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1588
1589         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1590
1591 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1592
1593         PR tree-optimization/41442
1594         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1595         (fold_binary_loc): Call it.
1596
1597 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1598
1599         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1600         * opts.c (common_handle_option): Allow disabling it.
1601         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1602
1603 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1604
1605         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1606         between modes if both types are integral.
1607
1608 2010-04-23  Richard Guenther  <rguenther@suse.de>
1609
1610         PR tree-optimization/43572
1611         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1612
1613 2010-04-23  Richard Guenther  <rguenther@suse.de>
1614
1615         PR lto/43455
1616         * tree-inline.c (tree_can_inline_p): Also check compatibility
1617         of return types.
1618
1619 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1620
1621         PR tree-optimization/43846
1622         * tree-sra.c (struct access): New flag grp_assignment_read.
1623         (build_accesses_from_assign): Set grp_assignment_read.
1624         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1625         (enum mark_read_status): New type.
1626         (analyze_access_subtree): Propagate grp_assignment_read, create
1627         accesses also if both direct_read and root->grp_assignment_read.
1628
1629 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1630
1631         PR middle-end/43835
1632         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1633         function does not have type attributes.
1634
1635 2010-04-23  Richard Guenther  <rguenther@suse.de>
1636
1637         PR lto/42653
1638         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1639         of FUNCTION_DECLs.
1640
1641 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1642
1643         * sese.h (create_if_region_on_edge): Remove.
1644
1645         * sese.c (create_if_region_on_edge): Make static.
1646
1647         * tree-inline.c: Do not include ggc.h.
1648
1649         * expr.c: Do not include ggc.h.
1650
1651         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1652         dependencies.
1653
1654 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1655
1656         PR target/43744
1657         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1658         in the middle of insns for casesi_worker_2.
1659
1660 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1661
1662         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1663
1664 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1665
1666         PR tree-optimization/43842
1667         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1668         loop unrolling in update of exit phis. Fix comment.
1669         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1670         least two reduction statements in the loop before starting SLP
1671         analysis.
1672
1673 2010-04-22  Nick Clifton  <nickc@redhat.com>
1674
1675         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1676
1677 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1678
1679         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1680         to simplify a + ~a.
1681
1682 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1683
1684         * tree-parloops.c (loop_parallel_p): New argument
1685         parloop_obstack.  Pass it down.
1686         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1687         pass it down, free it.
1688
1689         * tree-loop-linear.c (linear_transform_loops): Pass down
1690         lambda_obstack.
1691
1692         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1693         of type struct obstack *.
1694
1695         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1696         scratch_obstack.  Initialize it, pass down, free it.
1697
1698         * lambda.h (lambda_loop_new): Remove.
1699         (lambda_matrix_new, lambda_matrix_inverse)
1700         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1701         argument of type struct obstack *.
1702
1703         * lambda-trans.c (lambda_trans_matrix_new): New argument
1704         lambda_obstack.  Pass it down, use obstack allocation for ret.
1705         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1706         it down.
1707
1708         * lambda-mat.c (lambda_matrix_get_column)
1709         (lambda_matrix_project_to_null): Remove.
1710         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1711         allocation for mat.
1712         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1713         lambda_obstack.
1714
1715         * lambda-code.c (lambda_loop_new): New function.
1716         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1717         (lambda_compute_auxillary_space, lambda_compute_target_space)
1718         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1719         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1720         (build_access_matrix): New argument lambda_obstack.  Use obstack
1721         allocation for am.
1722         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1723         argument lambda_obstack.  Pass it down.
1724
1725 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1726
1727         * optabs.h (expand_widening_mult): Declare.
1728
1729 2010-04-22  Richard Guenther  <rguenther@suse.de>
1730
1731         PR tree-optimization/43845
1732         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1733         lookup the CALL_EXPR function and arguments.
1734
1735 2010-04-22  Nick Clifton  <nickc@redhat.com>
1736
1737         * config/stormy16/stormy16.c
1738         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1739         * config/stormy16/stormy16.h: Tidy up formatting.
1740         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1741         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1742         (ineqbranchsi): Delete pattern.
1743         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1744         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1745         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1746         stormy16-lib2-ucmpsi2.c.
1747
1748 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1749
1750         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1751         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1752         extra set merge_set_noclobber, and use it to relax the final test
1753         slightly.
1754         * df.h (df_simulate_find_noclobber_defs): Declare.
1755         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1756         conditional defs.
1757         (df_simulate_find_noclobber_defs): New function.
1758
1759 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1760
1761         * config/i386/i386.md: Use {} around multi-line preparation statements.
1762
1763 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1764
1765         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1766         (process_init_element): New argument of type struct obstack *.
1767
1768         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1769         (set_init_index, set_init_label, set_nonincremental_init)
1770         (set_nonincremental_init_from_string, find_init_member)
1771         (output_init_element, output_pending_init_elements)
1772         (process_init_element): New argument braced_init_obstack.  Pass it
1773         down.
1774         (push_range_stack, add_pending_init): New argument
1775         braced_init_obstack.  Use obstack allocation.
1776
1777         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1778         braced_init_obstack.  Pass it down.
1779         (c_parser_braced_init): New variables ret, braced_init_obstack.
1780         Initialize obstack, pass it down and finally free it.
1781
1782 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1783
1784         PR middle-end/29274
1785         * tree-pass.h (pass_optimize_widening_mul): Declare.
1786         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1787         gate_optimize_widening_mul): New static functions.
1788         (pass_optimize_widening_mul): New.
1789         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1790         <case MULT_EXPR>: Remove support for widening multiplies.
1791         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1792         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1793         simplify_gen_unary rather than directly building extensions.
1794         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1795         WIDEN_MULT_EXPR.
1796         * expmed.c (expand_widening_mult): New function.
1797         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1798
1799 2010-04-21  Jan Hubicka  <jh@suse.cz>
1800
1801         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1802         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1803         * lto-wpa-fixup.c: Remove.
1804         * Makefile.in (lto-wpa-fixup.o): Remove.
1805         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1806         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1807         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1808
1809 2010-04-21  Jan Hubicka  <jh@suse.cz>
1810
1811         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1812         add write_optimization_summary, read_optimization_summary.
1813         (ipa_write_summaries_of_cgraph_node_set): Remove.
1814         (ipa_write_optimization_summaries): Declare.
1815         (ipa_read_optimization_summaries): Declare.
1816         * ipa-cp.c (pass_ipa_cp): Update.
1817         * ipa-reference.c (pass_ipa_reference): Update.
1818         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1819         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1820         Update.
1821         * ipa-inline.c (pass_ipa_inline): Update.
1822         * ipa.c (pass_ipa_whole_program): Update.
1823         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1824         * passes.c (ipa_write_summaries_1): Do not test wpa.
1825         (ipa_write_optimization_summaries_1): New.
1826         (ipa_write_optimization_summaries): New.
1827         (ipa_read_summaries): Do not test ltrans.
1828         (ipa_read_optimization_summaries_1): New.
1829         (ipa_read_optimization_summaries): New.
1830
1831 2010-04-21  Jan Hubicka  <jh@suse.cz>
1832
1833         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1834         for boundary nodes.
1835         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1836
1837 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1838
1839         PR debug/40040
1840         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1841         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1842
1843 2010-04-21  Jan Hubicka  <jh@suse.cz>
1844
1845         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1846
1847 2010-04-21  Jan Hubicka  <jh@suse.cz>
1848
1849         * varpool.c (decide_is_variable_needed): Variable is always needed
1850         during ltrans.
1851
1852 2010-04-21  Jan Hubicka  <jh@suse.cz>
1853
1854         * opts.c (decode_options): Enable pure-const pass for whopr.
1855
1856 2010-04-21  Jan Hubicka  <jh@suse.cz>
1857
1858         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1859         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1860         at WPA dumping.
1861         (cgraph_decide_inlining): Do not expect callee to be removed in all
1862         cases.
1863
1864 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1865
1866         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1867
1868 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1869
1870         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1871         amdfam10_decode attributes.
1872
1873 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1874
1875         PR middle-end/43570
1876         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1877         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1878         (lower_copyprivate_clauses): Use private var in outer
1879         context instead of original var.  Make sure the types
1880         are correct for VLAs.
1881
1882 2010-04-21  Richard Guenther  <rguenther@suse.de>
1883
1884         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1885         to non-pointer objects.
1886
1887 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1888
1889         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1890         last chain entry if it starts with the still current label.
1891         (add_location_or_const_value_attribute): Check that
1892         loc_list->first->next is NULL instead of comparing ->first with ->last.
1893         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1894         to add_var_loc_to_decl.
1895
1896         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1897         >= 4 add also address size and segment size fields into CIE header.
1898
1899         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1900         long as address size is the same as sizeof (void *) and
1901         segment size is 0.
1902         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1903         address size or segment size is unexpected, return DW_EH_PE_omit.
1904         (classify_object_over_fdes): If get_cie_encoding returned
1905         DW_EH_PE_omit, return -1.
1906         (init_object): If classify_object_over_fdes returned -1,
1907         pretend there were no FDEs at all.
1908
1909 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1910
1911         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1912         bswap{si,di}2 using SWI48 mode iterator.
1913         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1914         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1915         set modrm attribute of bswap insn to 0 and remove length attribute.
1916         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1917         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1918         set mode attribute to <MODE> and remove length attribute.
1919
1920 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1921
1922         PR rtl-optimization/43520
1923         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1924         zero available registers.
1925
1926 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1927
1928         * builtins.c (fold_builtin_cproj): Fold more cases.
1929
1930 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1931
1932         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1933         (fold_builtin_1): Fold builtin cproj.
1934         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1935         Use ATTR_CONST_NOTHROW_LIST.
1936
1937 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1938
1939         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1940         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1941         ffsi2_no_cmove for !TARGET_CMOVE.
1942         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1943         (ffssi2): Remove expander.
1944         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1945         mode iterator.
1946         (ctz<mode>2): Ditto from ctz{si,di}2.
1947         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1948         mode iterator.
1949         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1950         mode iterator.
1951
1952 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1953
1954         * dwarf2out.c (AT_linkage_name): Define.
1955         (clone_as_declaration): Handle DW_AT_linkage_name.
1956         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1957         of DW_AT_MIPS_linkage_name.
1958         (move_linkage_attr): Likewise.
1959         (dwarf2out_finish): Likewise.
1960
1961 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1962
1963         PR middle-end/41952
1964         * fold-const.c (fold_comparison): New folding rule.
1965
1966 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1967
1968         * double-int.h (double_int_setbit): Declare.
1969         * double-int.c (double_int_setbit): New function.
1970         * rtl.h (immed_double_int_const): Declare.
1971         * emit-rtl.c (immed_double_int_const): New function.
1972         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1973         and immed_double_int_const functions.
1974         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1975         expand_copysign_bit):  (Ditto.).
1976         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1977         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1978         * dojump.c (prefer_and_bit_test): (Ditto.).
1979         * expr.c (convert_modes, reduce_to_bit_field_precision,
1980         const_vector_from_tree): (Ditto.).
1981         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1982
1983 2010-04-20  Jan Hubicka  <jh@suse.cz>
1984
1985         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1986         (dump_cgraph_node): Dump new flags.
1987         * cgraph.h (struct cgraph_node): Add flags
1988         reachable_from_other_partition and in_other_partition.
1989         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1990         other partition can not be removed.
1991         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1992         the other partition must be output; silence sanity checking on
1993         leaking functions bodies from other paritition.
1994         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1995         (lto_output_node): Output new flags; do not sanity check that inline
1996         clones are output; drop lto_forced_extern_inline_p code; do not mock
1997         visibility flags at partition boundaries.
1998         (add_node_to): New function.
1999         (output_cgraph): Use it to sort functions so masters appear before
2000         clones.
2001         (input_overwrite_node): Input new flags.
2002         * passes.c (ipa_write_summaries): Do not call
2003         lto_new_extern_inline_states.
2004         * lto-section-out.c (forced_extern_inline,
2005         lto_new_extern_inline_states lto_delete_extern_inline_states,
2006         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2007         * lto-streamer.h (lto_new_extern_inline_states,
2008         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2009         lto_forced_extern_inline_p): Kill.
2010
2011 2010-04-20  Richard Guenther  <rguenther@suse.de>
2012
2013         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2014         from vars that can have pointers.
2015         (process_constraint): Dump useless constraints.
2016
2017 2010-04-20  Richard Guenther  <rguenther@suse.de>
2018
2019         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2020         (dump_sa_points_to_info): Remove asserts.
2021         (init_base_vars): nothing_id isn't an escape point nor does it
2022         have pointers.
2023
2024 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2025
2026         * tree.h (TYPE_REF_IS_RVALUE): Define.
2027         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2028         should_move_die_to_comdat, prune_unused_types_walk): Handle
2029         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2030         (modified_type_die, gen_reference_type_die): Emit
2031         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2032         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2033
2034 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2035
2036         PR target/43635
2037         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2038         calls for -fpic -m31 if they have been sibcall optimized.
2039
2040 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2041
2042         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2043         ar.lc fixed and call-used.
2044
2045         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2046
2047 2010-04-19  Jan Hubicka  <jh@suse.cz>
2048
2049         * opts.c (decode_options): Disable whpr incompatible passes.
2050         * lto/lto.c (lto_1_to_1_map): Skip clones.
2051         (read_cgraph_and_symbols): Do not mark everything as needed.
2052         (do_whole_program_analysis): Do map only after optimizing;
2053         set proper cgraph_state; use passmanager.
2054
2055 2010-04-19  DJ Delorie  <dj@redhat.com>
2056
2057         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2058         POINTER_PLUS_EXPR and fix them.
2059
2060 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2061
2062         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2063         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2064         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2065         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2066         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2067         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2068         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2069         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2070         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2071         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2072         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2073
2074 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2075
2076         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2077         (check_cond_move_block): Likewise.
2078         (cond_move_process_if_block): Likewise.
2079         (noce_find_if_block): Improve formatting.
2080         (find_if_header): Pass 0 to memset and tweak conditions.
2081         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2082
2083 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2084
2085         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2086         for -gdwarf-4.
2087
2088         PR middle-end/43337
2089         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2090         with non-local decl doesn't need chain.
2091
2092 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2093
2094         * ira-color.c (allocno_reload_assign): Avoid accumulating
2095         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2096
2097 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2098
2099         * gimple.h (create_tmp_reg): Declare.
2100         * gimplify.c (create_tmp_reg): New function.
2101         (gimplify_return_expr): Use create_tmp_reg.
2102         (gimplify_omp_atomic): Likewise.
2103         (gimple_regimplify_operands): Likewise.
2104         * tree-dfa.c (make_rename_temp): Likewise.
2105         * tree-predcom.c (predcom_tmp_var): Likewise.
2106         (reassociate_to_the_same_stmt): Likewise.
2107         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2108         (get_replaced_param_substitute): Likewise.
2109         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2110         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2111         * tree-ssa-pre.c (get_representative_for): Likewise.
2112         (create_expression_by_pieces): Likewise.
2113         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2114         (create_tailcall_accumulator): Likewise.
2115
2116 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2117
2118         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2119         new_stmt.
2120         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2121
2122 2010-04-19  Richard Guenther  <rguenther@suse.de>
2123
2124         PR tree-optimization/43796
2125         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2126         from SCEV in the lattice.
2127         (vrp_visit_phi_node): Dump change.
2128
2129 2010-04-19  Richard Guenther  <rguenther@suse.de>
2130
2131         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2132         * configure: Re-generated.
2133
2134 2010-04-19  Richard Guenther  <rguenther@suse.de>
2135
2136         PR tree-optimization/43783
2137         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2138         constant ARRAY_REF operands two and three if possible.
2139
2140 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2141
2142         PR target/43766
2143         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2144
2145 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2146
2147         PR target/43662
2148         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2149
2150 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2151
2152         PR tree-optimization/37027
2153         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2154         and macro to access it.
2155         (vectorizable_reduction): Add argument.
2156         (vect_get_slp_defs): Likewise.
2157         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2158         statements for possible use in SLP.
2159         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2160         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2161         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2162         add new argument.
2163         (vectorizable_reduction): Likewise.
2164         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2165         vect_get_slp_defs.
2166         (vectorizable_type_demotion, vectorizable_type_promotion,
2167         vectorizable_store): Likewise.
2168         (vect_analyze_stmt): Update call to vectorizable_reduction.
2169         (vect_transform_stmt): Likewise.
2170         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2171         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2172         from different interleaving chains in same node.
2173         (vect_slp_rearrange_stmts): New function.
2174         (vect_supported_load_permutation_p): Allow load permutations for
2175         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2176         inside SLP nodes if necessary.
2177         (vect_analyze_slp_instance): Handle reductions.
2178         (vect_analyze_slp): Try to build SLP instances originating from groups
2179         of reductions.
2180         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2181         (vect_get_constant_vectors): Create initial vectors for reductions
2182         according to reduction code. Add new argument.
2183         (vect_get_slp_defs): Add new argument, pass it to
2184         vect_get_constant_vectors.
2185         (vect_schedule_slp_instance): Remove SLP tree root statements.
2186
2187 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2188
2189         * tree.h (ENUM_IS_SCOPED): Define.
2190         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2191         for ENUM_IS_SCOPED enums.
2192
2193 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2194
2195         * fold-const.c (fold_comparison): Use ssizetype.
2196         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2197         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2198         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2199         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2200
2201         * tree.h (initialize_sizetypes): Remove parameter.
2202         (build_common_tree_nodes): Remove second parameter.
2203         * stor-layout.c (initialize_sizetypes): Remove parameter.
2204         Always create an unsigned type.
2205         (set_sizetype): Assert that the passed type is unsigned and simplify.
2206         * tree.c (build_common_tree_nodes): Remove second parameter.
2207         Adjust call to initialize_sizetypes.
2208         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2209         build_common_tree_nodes.
2210
2211 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2212
2213         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2214
2215 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2216
2217         PR tree-optimization/43771
2218         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2219         load permutation doesn't have gaps.
2220
2221 2010-04-18  Jan Hubicka  <jh@suse.cz>
2222
2223         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2224         (sse_prologue_save_insn expander): Use new pattern.
2225         (sse_prologue_save_insn1): New pattern and splitter.
2226         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2227         blocks.
2228         * i386.c (setup_incoming_varargs_64): Do not compute jump
2229         destination here.
2230         (ix86_gimplify_va_arg): Update alignment needed.
2231         (ix86_local_alignment): Do not align all local arrays to 128bit.
2232
2233 2010-04-17  Jan Hubicka  <jh@suse.cz>
2234
2235         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2236
2237 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2238
2239         * arm.md (negdi2): Remove redundant code to force values into a
2240         register.
2241
2242 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2243
2244         * arm/bpabi.S: Add EABI alignment attributes to objects.
2245         * arm/bpabi-v6m.S: Likewise.
2246         * arm/crti.asm: Likewise.
2247         * arm/crtn.asm: Likewise.
2248         * arm/lib1funcs.asm: Likewise.
2249         * arm/libunwind.S: Likewise.
2250
2251 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2252
2253         * arm-protos.h (tune_params): New structure.
2254         * arm.c (current_tune): New variable.
2255         (arm_constant_limit): Delete.
2256         (struct processors): Add pointer to the tune parameters.
2257         (arm_slowmul_tune): New tuning option.
2258         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2259         (all_cores): Adjust to pick up the tuning model.
2260         (arm_constant_limit): New function.
2261         (arm_override_options): Select the appropriate tuning model.  Delete
2262         initialization of arm_const_limit.
2263         (arm_split_constant): Use the new constant-limit model.
2264         (arm_rtx_costs): Pick up the current tuning model.
2265         * arm.md (is_strongarm, is_xscale): Delete.
2266         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2267         for Xscale variant architectures.
2268         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2269
2270 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2271
2272         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2273         can_shift.
2274         (arm_rtx_costs_1): Remove unused variable extra_cost.
2275         (arm_unwind_emit_set): Use variable offset.
2276         (thumb1_output_casesi): Remove unused variable flags.
2277
2278 2010-04-16  Jeff Law  <law@redhat.com>
2279
2280         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2281         needing assignment rather than doing a two-phase assignment.  Remove
2282         unused variable 'm'.
2283
2284 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2285
2286         PR bootstrap/43767
2287         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2288
2289 2010-04-16  Doug Kwan  <dougkwan@google.com>
2290
2291         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2292         (next_operand_entry_id): New static variable.
2293         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2294         (add_to_ops_vec): Assigned unique ID to operand entry.
2295         (struct oecount_s): New field ID.
2296         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2297         (undistribute_ops_list): Assign unique IDs to oecounts.
2298         (init_reassoc): reset next_operand_entry_id.
2299
2300 2010-04-16  Doug Kwan  <dougkwan@google.com>
2301
2302         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2303         missing left parenthesis.
2304
2305 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2306
2307         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2308         *btdi_rex64 using SWI48 mode iterator.
2309         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2310         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2311         *jcc_btdi_mask_rex64.
2312
2313 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2314
2315         * double-int.h (tree_to_double_int): Convert to macro.
2316         * double-int.c (tree_to_double_int): Remove.
2317
2318 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2319
2320         PR debug/43762
2321         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2322         with want_address 2 and in case a single element list might be
2323         possible, call it again with want_address 0.
2324
2325 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2326
2327         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2328         case 'W' print operands for HI mode.
2329         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2330         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2331         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2332         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2333
2334         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2335
2336         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2337         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2338         #xx:3 and #xx:4 mode.
2339
2340         * config/h8300/h8300.md (inverted load with HImode dest): Add
2341         support for H8300SX.
2342
2343         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2344         satisfy 'U' constraint.
2345
2346 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2347
2348         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2349         * configure: Regenerate.
2350         * config.in: Regenerate.
2351         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2352         works.
2353
2354 2010-04-16  Richard Guenther  <rguenther@suse.de>
2355
2356         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2357         (struct tree_decl_common): ... here.
2358         (DECL_PT_UID): Adjust.
2359         (SET_DECL_PT_UID): Likewise.
2360         (DECL_PT_UID_SET_P): Likewise.
2361
2362 2010-04-16  Richard Guenther  <rguenther@suse.de>
2363
2364         PR tree-optimization/43572
2365         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2366         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2367         * tree-flow.h (is_call_clobbered): Remove.
2368         * tree-flow-inline.h (is_call_clobbered): Likewise.
2369         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2370         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2371         (execute_return_slot_opt): Adjust.
2372         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2373         check for call clobbered vars here.
2374         (find_tail_calls): Move tailcall verification to the
2375         proper place.
2376
2377 2010-04-16  Diego Novillo  <dnovillo@google.com>
2378
2379         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2380
2381 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2382
2383         PR target/40603
2384         * config/arm/arm.md (cbranchqi4): New pattern.
2385         * config/arm/predicates.md (const0_operand,
2386         cbranchqi4_comparison_operator): New predicates.
2387
2388 2010-04-16  Richard Guenther  <rguenther@suse.de>
2389
2390         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2391         (dump_gimple_stmt): Likewise.
2392
2393 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2394
2395         * recog.h (struct recog_data): New field is_operator.
2396         (struct insn_operand_data): New field is_operator.
2397         * recog.c (extract_insn): Set recog_data.is_operator.
2398         * genoutput.c (output_operand_data): Emit code to set the
2399         is_operator field.
2400         * reload.c (find_reloads): Use it rather than testing for an
2401         empty constraint string.
2402
2403         PR target/41514
2404         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2405         If the previous insn is a cbranchsi4_insn with the same arguments,
2406         omit the compare instruction.
2407
2408         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2409         register, inputs must be low registers and we need a low register
2410         scratch.  Handle alternative 2 like alternative 3.
2411
2412 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2413
2414         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2415         don't call get_addr on both.  If one expression is a VALUE and
2416         the other a REG, check VALUE's locs if the REG isn't among them.
2417
2418 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2419
2420         * config/sh/sh.h (sh_frame_pointer_required): New function.
2421         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2422         (flag_omit_frame_pointer) Set.
2423         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2424         (rounded_frame_size): Adjust size with outgoing_args_size.
2425         (sh_set_return_address): Must return from stack pointer.
2426         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2427         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2428         (ACCUMULATE_OUTGOING_ARGS): Define.
2429         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2430         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2431
2432 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2433
2434         PR target/43471
2435         * config/sh/sh.c (sh_legitimize_reload_address): Use
2436         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2437         Remove a unneeded check for offset_base.
2438
2439 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2440
2441         * configure: Regenerated.
2442
2443 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2444
2445         * config/s390/s390.c (s390_call_save_register_used): Switch back
2446         to HARD_REGNO_NREGS.
2447
2448 2010-04-15  Richard Guenther  <rguenther@suse.de>
2449
2450         * alias.c (alias_set_subset_of): Handle alias-set zero
2451         child properly.
2452
2453 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2454             Julian Brown  <julian@codesourcery.com>
2455
2456         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2457         alternatives according to use of high and low regs.
2458         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2459         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2460         optimizing for size on Thumb-2.
2461
2462 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2463
2464         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2465
2466 2010-04-15  Richard Guenther  <rguenther@suse.de>
2467
2468         * tree-ssa-structalias.c (struct variable_info): Add
2469         is_fn_info flag.
2470         (new_var_info): Initialize it.
2471         (dump_constraints): Support printing last added constraints.
2472         (debug_constraints): Adjust.
2473         (dump_constraint_graph): Likewise.
2474         (make_heapvar_for): Check for NULL cfun.
2475         (get_function_part_constraint): New function.
2476         (get_fi_for_callee): Likewise.
2477         (find_func_aliases): Properly implement IPA PTA constraints.
2478         (process_ipa_clobber): New function.
2479         (find_func_clobbers): Likewise.
2480         (insert_into_field_list_sorted): Remove.
2481         (create_function_info_for): Properly allocate vars for IPA mode.
2482         Do not use insert_into_field_list_sorted.
2483         (create_variable_info_for): Properly generate constraints for
2484         global vars in IPA mode.
2485         (dump_solution_for_var): Always dump the solution.
2486         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2487         (find_what_var_points_to): Adjust.
2488         (pt_solution_set): Change.
2489         (pt_solution_ior_into): New function.
2490         (pt_solution_empty_p): Export.
2491         (pt_solution_includes_global): Adjust.
2492         (pt_solution_includes_1): Likewise.
2493         (pt_solutions_intersect_1): Likewise.
2494         (dump_sa_points_to_info): Check some invariants.
2495         (solve_constraints): Move constraint dumping ...
2496         (compute_points_to_sets): ... here.
2497         (ipa_pta_execute): ... and here.
2498         (compute_may_aliases): Do not re-compute points-to info
2499         locally if IPA info is available.
2500         (ipa_escaped_pt): New global var.
2501         (ipa_pta_execute): Properly implement IPA PTA.
2502         * tree-into-ssa.c (dump_decl_set): Support dumping
2503         decls not in referenced-vars.
2504         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2505         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2506         (dump_points_to_solution): Likewise.
2507         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2508         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2509         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2510         (copy_decl_to_var): Copy DECL_PT_UID.
2511         (copy_result_decl_to_var): Likewise.
2512         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2513         (copy_node_stat): Copy it.
2514         * tree.h (DECL_PT_UID): New macro.
2515         (SET_DECL_PT_UID): Likewise.
2516         (DECL_PT_UID_SET_P): Likewise.
2517         (struct tree_decl_minimal): Add pt_uid member.
2518         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2519         (pt_solution_empty_p): Declare.
2520         (pt_solution_set): Adjust.
2521         (ipa_escaped_pt): Declare.
2522         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2523         * gimple-pretty-print.c (pp_points_to_solution): New function.
2524         (dump_gimple_call): Dump call clobber/use information.
2525         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2526         * tree-pass.h (TDF_ALIAS): New dump option.
2527         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2528         * doc/invoke.texi (-fipa-pta): Update documentation.
2529
2530 2010-04-15  Richard Guenther  <rguenther@suse.de>
2531
2532         * Makefile.in (OBJS-common): Add gimple-fold.o.
2533         (gimple-fold.o): New rule.
2534         * tree.h (maybe_fold_offset_to_reference,
2535         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2536         prototypes ...
2537         * gimple.h: ... here.
2538         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2539         may_propagate_address_into_dereference): Move prototypes ...
2540         * gimple.h: ... here.
2541         * tree-ssa-ccp.c (get_symbol_constant_value,
2542         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2543         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2544         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2545         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2546         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2547         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2548         gimplify_and_update_call_from_tree): Move ...
2549         * gimple-fold.c: ... here.  New file.
2550         (ccp_fold_builtin): Rename to ...
2551         (gimple_fold_builtin): ... this.
2552         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2553
2554 2010-04-15  Richard Guenther  <rguenther@suse.de>
2555
2556         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2557         fit_double_type, force_fit_type_double, add_double_with_sign,
2558         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2559         lrotate_double, rrotate_double, div_and_round_double): Move ...
2560         * double-int.c: ... here.
2561         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2562         add_double, neg_double, mul_double_with_sign, mul_double,
2563         lshift_double, rshift_double, lrotate_double, rrotate_double,
2564         div_and_round_double): Move prototypes ...
2565         * double-int.h: ... here.
2566
2567 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2568
2569         PR target/43742
2570         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2571         matching constraints to ensure inputs match the output.
2572
2573 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2574
2575         PR target/43742
2576         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2577         in an input-only operand.
2578
2579 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2580
2581         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2582         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2583         (double_int_negative_p): Convert to static inline function.
2584         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2585         (double_int_negative_p): Remove.
2586         * tree.h (lshift_double, rshift_double):
2587         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2588         * fold-const.c (fold_convert_const_int_from_real,
2589         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2590         (lshift_double): Change type of arith argument to bool.
2591         (rshift_double): Change type of arith argument to bool. Correct
2592         comment.
2593         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2594
2595 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2596
2597         PR target/21803
2598         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2599         at the start and end of the then/else blocks, and omit them from the
2600         conversion.
2601         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2602         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2603         (flow_find_head_matching_sequence): New function.
2604         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2605         * basic-block.h (flow_find_cross_jump,
2606         flow_find_head_matching_sequence): Declare functions.
2607
2608 2010-04-14  Jason Merrill  <jason@redhat.com>
2609
2610         PR c++/36625
2611         * c-common.c (attribute_takes_identifier_p): New fn.
2612         * c-common.h: Declare it.
2613
2614 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2615
2616         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2617         splitter condition.
2618         (*udivmod<mode>4): Ditto.
2619
2620 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2621
2622         * config/i386/i386.md (maxmin_int): Rename code attribute from
2623         maxminiprefix and update all users.
2624         (maxmin_float): Ditto from maxminfprefix.
2625         (logic): Ditto from logicprefix.
2626         (absneg_mnemonic): Ditto from absnegprefix.
2627         * config/i386/mmx.md: Update all users of maxminiprefix,
2628         maxminfprefix and logicprefix for rename.
2629         * config/i386/sse.md: Ditto.
2630         * config/i386/sync.md (sync_<code><mode>): Update for
2631         logicprefix rename.
2632
2633 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2634
2635         PR 42966
2636         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2637         warnings converted to errors.
2638
2639 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2640
2641         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2642         used insn_type variable.
2643         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2644         to avoid set-but-not-used warning.
2645
2646 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2647
2648         * df-core.c (df_ref_debug): Change format string placeholder
2649         from 0x%x to %#x.
2650         * dwarf2asm.c (dw2_asm_output_data_raw,
2651         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2652         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2653         * dwarf2out.c (output_cfi, output_cfi_directive,
2654         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2655         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2656         Ditto.
2657         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2658         * print-rtl.c (print_rtx): Ditto.
2659
2660 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2661
2662         PR middle-end/42694
2663         * builtins.c (expand_builtin_pow_root): New function to expand pow
2664         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2665         series of sqrt and cbrt calls under -ffast-math.
2666         (expand_builtin_pow): Call it.
2667
2668 2010-04-14  Michael Matz  <matz@suse.de>
2669
2670         PR tree-optimization/42963
2671         * tree-cfg.c (touched_switch_bbs): New static variable.
2672         (group_case_labels_stmt): New function broken out from ...
2673         (group_case_labels): ... here, use the above.
2674         (start_recording_case_labels): Allocate touched_switch_bbs.
2675         (end_recording_case_labels): Deallocate it, call
2676         group_case_labels_stmt.
2677         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2678
2679 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2680
2681         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2682         from insn template.
2683
2684 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2685
2686         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2687
2688 2010-04-13  Jan Hubicka  <jh@suse.cz>
2689
2690         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2691         of optimized out static functions.
2692         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2693         cost computation.  Also sanity check for overflows.
2694         (update_caller_keys): Update cgraph_edge_badness call; properly
2695         update fibheap and sanity check that it is up to date.
2696         (add_new_edges_to_heap): Update cgraph_edge_badness.
2697         (cgraph_decide_inlining_of_small_function): Likewise;
2698         add sanity checking that badness in heap is up to date;
2699         improve dumping of reason; Update badness of calls to the
2700         offline copy of function currently inlined; dump badness
2701         of functions not inlined because of unit growth limits.
2702
2703 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2704
2705         PR middle-end/32628
2706         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2707         because of sign-extension change when converting to sizetype here...
2708         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2709
2710         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2711         the folding to constants.  Remove redundant final conversion.
2712         (fold_binary) <associate>: Do not associate if the re-association of
2713         constants alone overflows.
2714         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2715         to the end of the list.
2716         (multiple_of_p) <COND_EXPR>: New case.
2717
2718 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2719
2720         * opt-functions.awk (opt_sanitized_name): New.
2721         (opt_enum): New.
2722         * optc-gen.awk: Use it
2723         * opth-gen.awk: Use it.
2724
2725 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2726
2727         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2728         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2729         children.  Call replace_uses_with_default_def_ssa_name to handle
2730         SSA_NAES on lhs.
2731
2732 2010-04-13  Michael Matz  <matz@suse.de>
2733
2734         PR middle-end/43730
2735         * builtins.c (expand_builtin_interclass_mathfn): Also create
2736         a register if the predicate doesn't match.
2737
2738 2010-04-13  Diego Novillo  <dnovillo@google.com>
2739
2740         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2741         * c-pch.c: Include timevar.h.
2742         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2743         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2744         * ggc-common.c: Include timevar.h.
2745         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2746         * timevar.def (TV_PCH_SAVE): Define.
2747         (TV_PCH_CPP_SAVE): Define.
2748         (TV_PCH_PTR_REALLOC): Define.
2749         (TV_PCH_PTR_SORT): Define.
2750         (TV_PCH_RESTORE): Define.
2751         (TV_PCH_CPP_RESTORE): Define.
2752
2753 2010-04-13  Michael Matz  <matz@suse.de>
2754
2755         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2756         into MINUS_EXPRs.
2757         (can_reassociate_p): New function.
2758         (break_up_subtract_bb, reassociate_bb): Use it.
2759
2760 2010-04-13  Richard Guenther  <rguenther@suse.de>
2761
2762         PR bootstrap/43737
2763         * builtins.c (c_readstr): Fix assert.
2764
2765 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2766
2767         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2768         when generating cltd insn.
2769
2770         (*ashl<mode>3_1): Remove special handling for register operand 2.
2771         (*ashlsi3_1_zext): Ditto.
2772         (*ashlhi3_1): Ditto.
2773         (*ashlhi3_1_lea): Ditto.
2774         (*ashlqi3_1): Ditto.
2775         (*ashlqi3_1_lea): Ditto.
2776         (*<shiftrt_insn><mode>3_1): Ditto.
2777         (*<shiftrt_insn>si3_1_zext): Ditto.
2778         (*<shiftrt_insn>qi3_1_slp): Ditto.
2779         (*<rotate_insn><mode>3_1): Ditto.
2780         (*<rotate_insn>si3_1_zext): Ditto.
2781         (*<rotate_insn>qi3_1_slp): Ditto.
2782
2783 2010-04-13  Richard Guenther  <rguenther@suse.de>
2784
2785         * tree-ssa-structalias.c (callused_id): Remove.
2786         (call_stmt_vars): New.
2787         (get_call_vi): Likewise.
2788         (lookup_call_use_vi): Likewise.
2789         (lookup_call_clobber_vi): Likewise.
2790         (get_call_use_vi): Likewise.
2791         (get_call_clobber_vi): Likewise.
2792         (make_transitive_closure_constraints): Likewise.
2793         (handle_const_call): Adjust to do per-call call-used handling.
2794         (handle_pure_call): Likewise.
2795         (find_what_var_points_to): Remove general callused handling.
2796         (init_base_vars): Likewise.
2797         (init_alias_vars): Initialize call_stmt_vars.
2798         (compute_points_to_sets): Process call-used and call-clobbered
2799         vars for call statements.
2800         (delete_points_to_sets): Free call_stmt_vars.
2801
2802 2010-04-13  Richard Guenther  <rguenther@suse.de>
2803
2804         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2805         Only add RW dependence for dependence distance zero.
2806         Adjust maximal vectorization factor according to dependences.
2807         Move alignment handling ...
2808         (vect_find_same_alignment_drs): ... here.  New function.
2809         (vect_analyze_data_ref_dependences): Adjust.
2810         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2811         (vect_analyze_data_refs): Adjust minimal vectorization factor
2812         according to data references.
2813         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2814         dependences before determining the vectorization factor.
2815         Analyze alignment after determining the vectorization factor.
2816         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2817         dependences before alignment.
2818         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2819         Adjust prototype.
2820         (vect_analyze_data_refs): Likewise.
2821         (MAX_VECTORIZATION_FACTOR): New define.
2822
2823 2010-04-13  Duncan Sands  <baldrick@free.fr>
2824
2825         * except.h (lang_eh_type_covers): Remove.
2826         * except.c (lang_eh_type_covers): Likewise.
2827
2828 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2829             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2830
2831         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2832         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2833         UNITS_PER_LONG where it is ABI relevant.
2834         (s390_return_addr_rtx): Likewise.
2835         (s390_back_chain_rtx): Likewise.
2836         (s390_frame_area): Likewise.
2837         (s390_frame_info): Likewise.
2838         (s390_initial_elimination_offset): Likewise.
2839         (save_gprs): Likewise.
2840         (s390_emit_prologue): Likewise.
2841         (s390_emit_epilogue): Likewise.
2842         (s390_function_arg_advance): Likewise.
2843         (s390_function_arg): Likewise.
2844         (s390_va_start): Likewise.
2845         (s390_gimplify_va_arg): Likewise.
2846         (s390_function_profiler): Likewise.
2847         (s390_optimize_prologue): Likewise.
2848         (s390_rtx_costs): Likewise.
2849         (s390_secondary_reload): Likewise.
2850         (s390_promote_function_mode): Likewise.
2851         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2852         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2853         registers available.
2854         (s390_unwind_word_mode): New function.
2855         (s390_function_value): Split 64 bit values into register pair if
2856         used as return value.
2857         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2858         function call parameters.  Handle parallels.
2859         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2860         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2861         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2862         (s390_expand_setmem): Remove unused variable src_addr.
2863         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2864         deal with 64 bit registers.
2865         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2866         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2867         (UNITS_PER_LONG): New macro.
2868         * libjava/include/s390-signal.h: Define extended ucontext
2869         structure containing the upper halfs of the 64 bit registers.
2870
2871 2010-04-13  Simon Baldwin  <simonb@google.com>
2872
2873         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2874
2875 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2876
2877         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2878         rvalue on the RHS if the LHS is of a non-renamable type.
2879         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2880
2881 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2882
2883         * gcc.c (cc1_options): Handle -iplugindir before processing
2884         the cc1 spec. Only add -iplugindir once.
2885         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2886         found.
2887         * common.opt (iplugindir): Remove `Separate' property, initialize.
2888         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2889         option.
2890         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2891         (distclean): Remove plugin dir.
2892         * doc/invoke.texi: Document -iplugindir.
2893
2894 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2895
2896         * doc/plugins.texi (Loading Plugins): Document short
2897         -fplugin=foo option.
2898         (Plugin API): Mention default_plugin_dir_name function.
2899
2900         * gcc.c (find_file_spec_function): Add new declaration.
2901         (static_spec_func): Use it for "find-file".
2902         (find_file_spec_function): Add new function.
2903         (cc1_options): Add -iplugindir option if -fplugin* options found.
2904
2905         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2906
2907         * plugin.c (add_new_plugin): Updated comment, and handle short
2908         plugin name.
2909         (default_plugin_dir_name): Added new function.
2910
2911         * common.opt (iplugindir): New option to set the plugin directory.
2912
2913 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2914
2915         * config/i386/i386.md (any_rotate): New code iterator.
2916         (rotate_insn): New code attribute.
2917         (rotate): Ditto.
2918         (SWIM124): New mode iterator.
2919         (<rotate_insn>ti3): New expander.
2920         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2921         any_rotate code iterator.
2922         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2923         using any_rotate code iterator and SWIM124 mode iterator.
2924         (ix86_rotlti3): New insn_and_split pattern.
2925         (ix86_rotrti3): Ditto.
2926         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2927         ix86_rotl{di,ti}3 patterns.
2928         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2929         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2930         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2931         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2932         code iterator and SWI mode iterator.
2933         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2934         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2935         code iterator.
2936         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2937         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2938         (bswap rotatert splitter): Add splitter.
2939         (bswap splitter): Macroize splitter using any_rotate code iterator.
2940         Add insn predicate to split only for TARGET_USE_XCHGB or when
2941         optimizing function for size.
2942
2943 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2944
2945         * config/pa/pa.c (emit_move_sequence): Remove use of
2946         deleted variable flag_argument_noalias.
2947
2948 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2949
2950         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2951         configurations.
2952         Add to unsupported targets list.
2953         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2954         sparc*-sun-solaris2.[567]* from target lists.
2955         * configure: Regenerate.
2956         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2957         removal.
2958         Remove Solaris 7 patch references.
2959         (Specific, sparc-sun-solaris2.7): Removed.
2960         (sparc-sun-solaris2*): Update Solaris 7 example.
2961         (sparc64-*-solaris2*): Likewise.
2962
2963 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2964
2965         * config.build (alpha*-dec-osf4*): Remove.
2966         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2967         of obsolete configurations.
2968         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2969         support.
2970         * config/alpha/t-osf4: Renamed to ...
2971         * config/alpha/t-osf5: ... this.
2972         * config/alpha/osf.h: Renamed to ...
2973         * config/alpha/osf5.h: ... this.
2974         Merged old osf5.h contents.
2975         Update comments.
2976         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2977         (EXTRA_SPECS): Removed.
2978         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2979         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2980         Document that.
2981
2982 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2983
2984         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2985
2986 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2987
2988         PR/43702
2989         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2990         __thiscall convention.
2991
2992 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2993
2994         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2995         orig_base.
2996         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2997
2998 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2999
3000         * function.c (assign_parms_initialize_all): Add unused attribute
3001         to fntype.
3002
3003 2010-04-12  Richard Guenther  <rguenther@suse.de>
3004
3005         * gsstruct.def (GSS_CALL): New.
3006         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3007         * gimple.h: Include tree-ssa-alias.h.
3008         (struct gimple_statement_call): New.
3009         (union gimple_statement_struct_d): Add gimple_call member.
3010         (gimple_call_reset_alias_info): Declare.
3011         (gimple_call_use_set): New function.
3012         (gimple_call_clobber_set): Likewise.
3013         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3014         * gimple.c (gimple_call_reset_alias_info): New function.
3015         (gimple_build_call_1): Call it.
3016         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3017         * tree-inline.c (remap_gimple_stmt): Likewise.
3018         (expand_call_inline): Remove callused handling.
3019         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3020         * tree-dfa.c (dump_variable): Likewise.
3021         * tree-parloops.c (parallelize_loops): Likewise.
3022         * tree-ssa.c (init_tree_ssa): Likewise.
3023         (delete_tree_ssa): Likewise.
3024         * tree-flow-inline.h (is_call_used): Remove.
3025         * tree-flow.h (struct gimple_df): Remove callused member.
3026         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3027         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3028         (ref_maybe_used_by_call_p_1): Simplify.
3029         (call_may_clobber_ref_p_1): Likewise.
3030         * tree-ssa-structalias.c (compute_points_to_sets): Set
3031         the call stmt used and clobbered sets.
3032         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3033         (find_tail_calls): Verify the tail call.
3034
3035 2010-04-12  Richard Guenther  <rguenther@suse.de>
3036
3037         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3038         single-iteration always-inline inlining.
3039         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3040         (cgraph_decide_inlining): Do not handle always-inline specially.
3041         (try_inline): Remove always-inline cycle detection special case.
3042         Do not recurse on always-inlines.
3043         (cgraph_early_inlining): Do not iterate if not optimizing.
3044         (cgraph_gate_early_inlining): remove.
3045         (pass_early_inline): Run unconditionally.
3046         (gate_cgraph_decide_inlining): New function.
3047         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
3048         not inlining or optimizing.
3049         (cgraph_decide_inlining_of_small_functions): Also consider
3050         always-inline functions.
3051         (cgraph_default_inline_p): Return true for nodes which should
3052         disregard inline limits.
3053         (estimate_function_body_sizes): Assume zero size and time for
3054         nodes which are marked as disregarding inline limits.
3055         (cgraph_decide_recursive_inlining): Do not perform recursive
3056         inlining on always-inline nodes.
3057
3058 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
3059
3060         PR bootstrap/43699
3061         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3062         for exprs satisfying handled_component_p.
3063
3064 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
3065
3066         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3067         non-constant aggregate elements.
3068
3069         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3070         is a real initialization.
3071
3072 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
3073
3074         PR c/36774
3075         * c-decl.c (start_function): Move forward check for nested function.
3076
3077 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3078
3079         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3080         * config/sh/sh.c: Include reload.h.
3081         (sh_legitimize_reload_address): New.
3082         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3083         sh_legitimize_reload_address.
3084
3085 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3086
3087         * config/sh/sh.md (*movqi_pop): New insn pattern.
3088         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3089
3090 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3091
3092         * config/i386/i386.md (any_shiftrt): New code iterator.
3093         (shiftrt_insn): New code attribute.
3094         (shiftrt): Ditto.
3095         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3096         using any_shiftrt code iterator.
3097         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3098         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3099         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3100         pattern from corresponding peephole2 patterns.
3101         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3102         using any_shiftrt code iterator.
3103         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3104         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3105         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3106         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3107         *{ashr,lshr}<mode>3_cmp_zext.
3108         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3109
3110 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3111
3112         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3113         scratch register.
3114         (*lshr<mode>3_cconly): Ditto.
3115
3116 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3117
3118         * config/i386/i386.md (lshr<mode>3): Macroize expander from
3119         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3120         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3121         pattern from *lshr{di,ti}3_1 and corresponding splitters using
3122         DWI mode iterator.
3123         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3124         from corresponding peephole2 patterns.
3125         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3126         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3127         and *lshrdi3_1_rex64 using SWI mode iterator.
3128         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3129         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3130         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3131         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3132         and *lshrdi3_cmp_rex64 using SWI mode iterator.
3133         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3134         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3135         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3136         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3137         SWI mode iterator.
3138
3139 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
3140
3141         * config/i386/i386.md (ashr<mode>3): Macroize expander from
3142         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3143         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3144         pattern from *ashr{di,ti}3_1 and corresponding splitters using
3145         DWI mode iterator.
3146         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3147         from corresponding peephole2 patterns.
3148         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3149         (ashrsi3_cvt): Rename from ashrsi3_31.
3150         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3151         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3152         and x86_64_shift_adj_3 using SWI48 mode iterator.
3153         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3154         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3155         and *ashrdi3_1_rex64 using SWI mode iterator.
3156         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3157         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3158         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3159         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3160         and *ashrdi3_cmp_rex64 using SWI mode iterator.
3161         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3162         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3163         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3164         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3165         SWI mode iterator.
3166         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3167         * config/i386/i386.c (ix86_split_ashr): Update for renamed
3168         x86_shift<mode>_adj_3 expanders.
3169
3170 2010-04-10  Wei Guozhi  <carrot@google.com>
3171
3172         PR target/42601
3173         * config/arm/arm.c (arm_pic_static_addr): New function.
3174         (legitimize_pic_address): Call arm_pic_static_addr when it detects
3175         a static symbol.
3176         (arm_output_addr_const_extra): Output expression for new pattern.
3177         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3178
3179 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
3180
3181         * ira-costs.c (record_reg_classes): Ignore alternatives that are
3182         not enabled.
3183
3184         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3185         * web.c: Include "insn-config.h" and "recog.h".
3186         (union_match_dups): New function.
3187         (web_main): Call it.
3188         (union_defs): Don't try to recognize match_dups.
3189
3190         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3191         if doing so would replace the entire pattern.
3192
3193 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3194
3195         PR target/43707
3196         PR target/43709
3197         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3198         and splitter pattern.  Change splitter operand 1 predicate to
3199         nonmemory_operand.
3200
3201 2010-04-09  Martin Jambor  <mjambor@suse.cz>
3202
3203         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3204         lattices are addresses of CONST_DECLs with the same initial value.
3205         (ipcp_print_all_lattices): Print values of CONST_DECLs.
3206         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3207
3208 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
3209             Bernd Schmidt  <bernds@codesourcery.com>
3210
3211         * loop-invariant.c (replace_uses): New static function.
3212         (move_invariant_reg): Use it to ensure we can replace the uses.
3213
3214 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
3215
3216         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3217         function template.
3218         (picochip_override_options): Enable section anchors only above -O1.
3219         (picochip_reorg): Fixed a couple of build warnings.
3220
3221 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3222
3223         * configure.ac (plugin -rdynamic test): Log result.
3224         * configure: Regenerate.
3225         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3226         (RDYNAMIC_SPEC): Define.
3227         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3228
3229 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3230
3231         * configure.ac: Determine Sun ld version numbers.
3232         (comdat_group): Restrict GNU ld version checks to gld.
3233         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3234         (enable_comdat): Support --enable-comdat.
3235         * configure: Regenerate.
3236         * doc/install.texi (Configuration): Document --enable-comdat.
3237
3238 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3239
3240         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
3241         * config/sol2-gld.h: ... here.
3242         * config.gcc (sparc*-*-solaris2*): Reflect this.
3243         (i[34567]86-*-solaris2*): Use it.
3244
3245 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
3246
3247         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3248         setup_clocks_p.
3249         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3250
3251 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3252
3253         PR 42965
3254         * diagnostic.c (diagnostic_initialize): Initialize
3255         some_warnings_are_errors.
3256         (diagnostic_finish): New.
3257         (diagnostic_action_after_output): Call it before exiting.
3258         (diagnostic_report_diagnostic): Do not print message here. Set
3259         some_warnings_are_errors.
3260         * diagnostic.h (diagnostic_context): Delete
3261         issue_warnings_are_errors_message. Add some_warnings_are_errors.
3262         (diagnostic_finish): Declare.
3263         * toplev.c (toplev_main): Call it before exit.
3264
3265 2010-04-09  Jason Merrill  <jason@redhat.com>
3266
3267         PR c++/42623
3268         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3269         for incomplete type.
3270
3271         PR c++/41788
3272         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3273         based on a warning flag.
3274
3275 2010-04-09  Richard Guenther  <rguenther@suse.de>
3276
3277         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3278
3279 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
3280
3281         PR bootstrap/43684
3282         * varasm.c (default_assemble_visibility): Wrap vars that are
3283         set, but unused, by targets without GAS.
3284         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3285         Remove set, but unused, vars.
3286         (rs6000_legitimize_tls_address): Likewise.
3287         (altivec_expand_dst_builtin): Likewise.
3288         * config/darwin.c (machopic_classify_symbol): Likewise.
3289         (machopic_indirection_name): Likewise.
3290
3291 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3292
3293         * config/i386/i386.md (DWI): New mode iterator.
3294         (S): New mode attribute.
3295         (shift_operand): Ditto.
3296         (shift_immediate_operand): Ditto.
3297         (ashl_input_operand): Ditto.
3298         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3299         using SDWIM mode iterator.
3300         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3301         pattern from *ashl{di,ti}3_1 and corresponding splitters using
3302         DWI mode iterator.
3303         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3304         from corresponding peephole2 patterns.
3305         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3306         and x86_64_shift_adj_1 using SWI48 mode iterator.
3307         (x86_shift<mode>_adj_2): Ditto.
3308         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3309         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3310         using SWI48 mode iterator.
3311         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3312         *ashldi3_cmp_rex64 using SWI mode iterator.
3313         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3314         *ashldi3_cconly_rex64 using SWI mode iterator.
3315         * config/i386/i386.c (ix86_split_ashl): Update for renamed
3316         x86_shift<mode>_adj_{1,2}.
3317         (ix86_split_ashr): Ditto.
3318         (ix86_split_lshr): Ditto.
3319
3320 2010-04-09  Richard Guenther  <rguenther@suse.de>
3321
3322         * target.h (builtin_conversion): Pass in input and output types.
3323         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3324         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3325         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3326         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3327
3328         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3329         Handle AVX modes.
3330         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3331
3332 2010-04-09  Richard Guenther  <rguenther@suse.de>
3333
3334         PR target/43152
3335         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3336
3337 2010-04-09  Richard Guenther  <rguenther@suse.de>
3338
3339         * tree-vectorizer.h (struct _stmt_vec_info): Document
3340         that vectype is the type of the LHS.
3341         (supportable_widening_operation, supportable_narrowing_operation):
3342         Get both input and output vector types as arguments.
3343         (vect_is_simple_use_1): Declare.
3344         (get_same_sized_vectype): Likewise.
3345         * tree-vect-loop.c (vect_determine_vectorization_factor):
3346         Set STMT_VINFO_VECTYPE to the vector type of the def.
3347         (vectorizable_reduction): Adjust.
3348         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3349         Adjust.  Specify the output vector type.
3350         (vect_pattern_recog_1): Adjust.
3351         * tree-vect-stmts.c (get_same_sized_vectype): New function.
3352         (vectorizable_call): Adjust.
3353         (vectorizable_conversion): Likewise.
3354         (vectorizable_operation): Likewise.
3355         (vectorizable_type_demotion): Likewise.
3356         (vectorizable_type_promotion): Likewise.
3357         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3358         the def.
3359         (vect_is_simple_use_1): New function.
3360         (supportable_widening_operation): Get both input and output
3361         vector types.
3362         (supportable_narrowing_operation): Likewise.
3363         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3364
3365 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
3366
3367         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3368         __thiscall and _thiscall as predefined macros.
3369         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3370         thiscall attribute handling.
3371         (ix86_comp_type_attributes): Likewise.
3372         (ix86_function_regparm): Likewise.
3373         (ix86_return_pops_args): Likewise.
3374         (init_cumulative_args): Likewise.
3375         (find_drap_reg): Likewise.
3376         (ix86_static_chain): Likewise.
3377         (x86_this_parameter): Likewise.
3378         (x86_output_mi_thunk): Likewise.
3379         (ix86_attribute_table): Add description for thiscall attribute.
3380         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3381         * doc/extend.texi: Add documentation for thiscall.
3382
3383 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3384
3385         PR c++/28584
3386         * c.opt (Wint-to-pointer-cast): Available in C++.
3387         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3388
3389 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
3390
3391         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3392         * calls.c (expand_call): Pass the function type to aggregate_value_p.
3393         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3394         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
3395         function type instead.  Reorder and simplify checks.
3396
3397         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3398
3399 2010-04-08  Jing Yu  <jingyu@google.com>
3400             Zdenek Dvorak  <ook@ucw.cz>
3401
3402         PR tree-optimization/42720
3403         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3404         loop unswitch conditions here from ...
3405         (tree_unswitch_single_loop): ... here.
3406
3407 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3408
3409         * tree-if-conv.c: Fix comments and simplify logic.
3410
3411 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3412
3413         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3414         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
3415         (main_tree_if_conversion): Update call to tree_if_conversion.
3416
3417 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3418
3419         PR 42485
3420         * doc/invoke.texi (-b,-V): Delete.
3421         * doc/tm.texi: Do not mention -b.
3422         * gcc.c (display_help): Delete -b and -V.
3423     &n