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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-07  Richard Guenther <rguenther@suse.de>
2
3         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
4         the linker plugin.
5         (store_arg): Queue temp_filename for deletion instead of
6         the whole argument.
7
8 2010-05-07  Richard Guenther  <rguenther@suse.de>
9
10         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
11         (run_gcc): Handle LTRANS phase invocation.
12         * collect2.c (maybe_run_lto_and_relink): Do not set
13         WPA_SAVE_LTRANS.
14
15 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
16
17         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
18         this is also meaningful on PARM_DECLs and RESULT_DECLs.
19
20 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
21
22         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
23
24 2010-05-07  Richard Guenther  <rguenther@suse.de>
25
26         PR tree-optimization/44020
27         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
28         code when PRE is not yet initialized.
29
30 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
31
32         * config/mips/dbxmdebug.h: Remove.
33         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
34
35 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
36
37         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
38         with null pointer and also warn about ordered comparison of zero with
39         pointer if -Wextra.
40
41 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
42
43         * graphite-blocking.c
44         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
45         * graphite-clast-to-gimple.c
46         (clast_to_gcc_expression): Same.
47         (precision_for_value): Same.
48         (precision_for_interval): Same.
49         (gcc_type_for_interval): Same.
50         (graphite_create_new_guard): Same.
51         (compute_bounds_for_level): Same.
52         (graphite_create_new_loop_guard): Same.
53         * graphite-interchange.c
54         (build_linearized_memory_access): Same.
55         (pdr_stride_in_loop): Same.
56         (memory_strides_in_loop_1): Same.
57         (memory_strides_in_loop): Same.
58         (extend_scattering): Same.
59         (psct_scattering_dim_for_loop_depth): Same.
60         (pbb_number_of_iterations): Same.
61         * graphite-poly.h
62         (debug_iteration_domains): Same.
63         * graphite-ppl.c
64         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
65         (ppl_set_inhomogeneous_gmp): Same.
66         (ppl_strip_loop): Same.
67         (ppl_lexico_compare_linear_expressions): Same.
68         (ppl_read_polyhedron_matrix): Same.
69         (ppl_max_for_le_pointset): Same.
70         * graphite-ppl.h
71         (ppl_read_polyhedron_matrix): Same.
72         (tree_int_to_gmp): Same.
73         (gmp_cst_to_tree): Same.
74         (ppl_set_inhomogeneous): Same.
75         (ppl_set_inhomogeneous_tree): Same.
76         (ppl_set_coef): Same.
77         (ppl_set_coef_tree): Same.
78         * graphite-sese-to-poly.c
79         (build_pbb_scattering_polyhedrons): Same.
80         (build_scop_scattering): Same.
81         (scan_tree_for_params_right_scev): Same.
82         (scan_tree_for_params): Same.
83         (find_params_in_bb): Same.
84         (find_scop_parameters): Same.
85         (add_upper_bounds_from_estimated_nit): Same.
86         (build_loop_iteration_domains): Same.
87         (add_condition_to_domain): Same.
88         (pdr_add_memory_accesses): Same.
89
90 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
91
92         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
93         CLooG's value_* macros to their respective mpz_* counterparts.
94         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
95         (graphite_create_new_loop_guard): Same.
96         * graphite-interchange.c (build_linearized_memory_access): Same.
97         (pdr_stride_in_loop): Same.
98         (memory_strides_in_loop_1): Same.
99         (1st_interchange_profitable_p): Same.
100         * graphite-poly.c (extend_scattering): Same.
101         (psct_scattering_dim_for_loop_depth): Same.
102         (pbb_number_of_iterations): Same.
103         (pbb_number_of_iterations_at_time): Same.
104         * graphite-poly.h (new_1st_loop): Same.
105         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
106         (oppose_constraint): Same.
107         (insert_constraint_into_matrix): Same.
108         (ppl_set_inhomogeneous_gmp): Same.
109         (ppl_set_coef_gmp): Same.
110         (ppl_strip_loop): Same.
111         (ppl_lexico_compare_linear_expressions): Same.
112         (ppl_max_for_le_pointset): Same.
113         (ppl_min_for_le_pointset): Same.
114         (ppl_build_realtion): Same.
115         * graphite-ppl.h (gmp_cst_to_tree): Same.
116         (ppl_set_inhomogeneous): Same.
117         (ppl_set_inhomogeneous_tree): Same.
118         (ppl_set_coef): Same.
119         (ppl_set_coef_tree): Same.
120         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
121         (build_scop_scattering): Same.
122         (add_value_to_dim): Same.
123         (scan_tree_for_params_right_scev): Same.
124         (scan_tree_for_params_int): Same.
125         (scan_tree_for_params): Same.
126         (find_params_in_bb): Same.
127         (find_scop_parameters): Same.
128         (add_upper_bounds_from_estimated_nit): Same.
129         (build_loop_iteration_domains): Same.
130         (create_linear_expr_from_tree): Same.
131         (add_condition_to_domain): Same.
132         (pdr_add_memory_accesses): Same.
133
134 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
135             Jason Merrill  <jason@redhat.com>
136
137         * c-common.c (c_common_reswords): Add nullptr.
138         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
139         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
140         (gen_type_die_with_usage): Likewise.
141         * dbxout.c (dbxout_type): Likewise.
142         * sdbout.c (plain_type_1): Likewise.
143
144 2010-05-06  Jason Merrill  <jason@redhat.com>
145
146         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
147         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
148         ret appropriately.
149         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
150
151         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
152         stripping WITH_SIZE_EXPR.
153         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
154         change.
155
156 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
157
158         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
159         list of obsolete configurations.
160         Disabled check for obsolete configurations.
161         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
162         Removed support for previous versions.
163         * config/mips/iris.h: Removed.
164         * config/mips/iris5.h: Removed.
165         * config/mips/iris6.h: Merged old iris.h contents.
166         (TARGET_IRIX): Removed.
167         (DRIVER_SELF_SPECS): Removed mabi=32.
168         (IDENT_ASM_OP): Removed undef.
169         (STARTFILE_SPEC): Removed mabi=32.
170         (ENDFILE_SPEC): Likewise.
171         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
172         (MACHINE_TYPE): Update for IRIX 6.5.
173         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
174         TARGET_IRIX by TARGET_IRIX6.
175         (mips_file_start): Likewise.
176         (mips_output_external): Remove IRIX 5/6 O32 support.
177         (mips_output_function_prologue): Likewise.
178         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
179         TARGET_IRIX6.
180         (TARGET_CPU_CPP_BUILTINS): Likewise.
181         (TARGET_IRIX): Removed.
182         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
183         (MULTILIB_DIRNAMES): Removed 32.
184         (MULTILIB_OSDIRNAMES): Removed ../lib.
185         * doc/install.texi (Prerequisites): Don't reference IRIX before
186         6.5.
187         (Specific, mips-sgi-irix5): Document removal.
188         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI
189         removal.
190         Remove references to older IRIX 6 releases and the O32 ABI.
191
192 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
193
194         * gcc.dg/Wunused-var-8.c: Move to...
195         * c-c++-common/Wunused-var-6.c: ... here.  New test.
196
197         PR bootstrap/43994
198         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
199         instead of DF_REF_REAL_REG.
200
201 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
202
203         PR target/43888
204         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
205         handling to still return true for x64 targets.
206
207 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
208
209         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
210
211 2010-05-06  Jan Hubicka  <jh@suse.cz>
212
213         PR tree-optimization/43791
214         * ipa-inline.c (update_caller_keys): Remove bogus
215         disregard_inline_limits check.
216
217 2010-05-06  Michael Matz  <matz@suse.de>
218
219         PR tree-optimization/43984
220         * tree-ssa-pre.c (inserted_phi_names): Remove.
221         (inserted_exprs): Change to bitmap.
222         (create_expression_by_pieces): Set bits, don't append to vector.
223         (insert_into_preds_of_block): Don't handle inserted_phi_names.
224         (eliminate): Don't look at inserted_phi_names, remove deleted
225         insns from inserted_exprs.
226         (remove_dead_inserted_code): Adjust to use bitmaps instead of
227         vectors.
228         (init_pre, fini_pre): Allocate and free bitmaps.
229         (execute_pre): Insert insns on edges before elimination.
230
231 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
232
233         * tree.c (initializer_zerop): Handle STRING_CST.
234
235 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
236
237         PR 40989
238         * doc/invoke.texi (Wimplicit): Document as C only.
239         * opts.c (common_handle_option): Add argument kind.
240         (handle_option): Rename as read_cmdline_option. Factor out code to...
241         (handle_option): ... here. New.
242         (handle_options): Rename as read_cmdline_options.
243         (decode_options): Update call.
244         (set_option): Use option index instead of option pointer. Classify
245         diagnostics correctly.
246         (enable_warning_as_error): Call handle_option.
247         * opts.h (set_option): Update declaration.
248         (handle_option): Declare.
249         * langhooks.h (struct lang_hooks): Add argument kind to
250         handle_option.
251         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
252         * c-opts.c (set_Wimplicit): Delete.
253         (c_family_lang_mask): New static constant.
254         (c_common_handle_option): Add argument kind. Use handle_option
255         instead of set_Wimplicit.
256         (c_common_post_options): warn_implicit and warn_implicit_int
257         are disabled by default.
258         * c-common.c (warn_implicit): Do not define here.
259         * c-common.h (warn_implicit): Do not declare here.
260         (c_common_handle_option): Update declaration.
261         * lto-opts.c (lto_reissue_options): Update call to set_option.
262
263 2010-05-06  Richard Guenther  <rguenther@suse.de>
264
265         PR tree-optimization/43571
266         * domwalk.c (walk_dominator_tree): Walk the dominator
267         sons in more optimal order.
268
269 2010-05-06  Richard Guenther  <rguenther@suse.de>
270
271         PR tree-optimization/43934
272         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
273         (stmt_cost): Likewise.
274         (extract_true_false_args_from_phi): New helper.
275         (determine_max_movement): For PHI nodes verify we can hoist them
276         and compute their cost.
277         (determine_invariantness_stmt): Handle PHI nodes.
278         (move_computations_stmt): Likewise.  Hoist PHI nodes in
279         if-converted form using COND_EXPRs.
280         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI
281         nodes.
282         (tree_ssa_lim): Likewise.
283         * tree-flow.h (tree_ssa_lim): Adjust prototype.
284         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
285
286 2010-05-06  Richard Guenther  <rguenther@suse.de>
287
288         PR tree-optimization/43987
289         * tree-ssa-structalias.c (could_have_pointers): For possibly
290         address-taken variables force pointers to be recorded.
291         (create_variable_info_for_1): Likewise.
292         (push_fields_onto_fieldstack): Pass in wheter all fields
293         must have pointers.
294         (find_func_aliases): Query types instead of vars whether
295         they contain pointers where appropriate.
296
297 2010-05-06  Jan Hubicka  <jh@suse.cz>
298
299         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
300         (record_reference, mark_address, mark_load, mark_store): Record
301         references.
302         (record_references_in_initializer): Update call of record_references.
303         (rebuild_cgraph_edges): Remove all references before rebuiding.
304         * cgraph.c (cgraph_create_node): Clear ref list.
305         (cgraph_remove_node): Remove references.
306         (dump_cgraph_node): Dump references.
307         (cgraph_clone_node): Clone references.
308         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
309         (struct cgraph_node, varpool_node): Add ref_lst.
310         * ipa-ref.c: New file.
311         * ipa-ref.h: New file.
312         * ipa-ref-inline.h: New file.
313         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
314         (referenced_from_other_partition_p): New function.
315         (lto_output_varpool_node): Take set arugment; call
316         referenced_from_other_partition.
317         (lto_output_ref): New.
318         (add_references): New.
319         (output_refs): New.
320         (output_cgraph): Compute boundary based on references;
321         output refs.
322         (output_varpool): Accept cgraph_node_set argument.
323         (input_ref): New.
324         (input_refs): New.
325         (input_cgraph): Call input_refs.
326         * lto-section-in.c (lto_section_name): Add refs.
327         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
328         (ipa-ref.o): New file.
329         * varpool.c (varpool_node): Clear ipa ref list.
330         (varpool_remove_node): Remove references.
331         (dump_varpool_node): Dump references.
332         (varpool_assemble_decl): Only compile finalized ones.
333         (varpool_extra_name_alias): Initialize ref list.
334         * lto-streamer.c (lto-get_section_name): Add .refs section.
335         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
336         (referenced_from_other_partition_p): Declared.
337
338 2010-05-06  Ira Rosen  <irar@il.ibm.com>
339
340         PR tree-optimization/43901
341         * tree-vect-stmts.c (vectorizable_call): Assert that vector
342         type is not NULL if it's transformation phase, and return
343         FALSE if it's analysis.
344         (vectorizable_conversion, vectorizable_operation, 
345         vectorizable_type_demotion, vectorizable_type_promotion):
346         Likewise.
347
348 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
349
350         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
351         Delete.
352         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
353         New define.
354         * config/mips/mips-protos.h
355         (mips_small_register_classes_for_mode_p): Delete prototype.
356
357 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
358
359         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
360         * config/arm/arm.c (multiple_operation_profitable_p,
361         compute_offset_order): New static functions.
362         (load_multiple_sequence, store_multiple_sequence): Use them.
363         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
364         memory offsets, not register numbers.
365         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
366
367 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
368
369         * stor-layout.c (pending_sizes): Change the type to
370         VEC(tree,gc) *.
371         (get_pending_sizes, put_pending_size, put_pending_sizes):
372         Update the uses of pending_sizes.
373         * c-decl.c (store_parm_decls): Likewise.
374         * c-tree.h (struct c_arg_info): Likewise.
375         * tree.h: Update the prototype for get_pending_sizes and
376         put_pending_sizes.
377
378 2010-05-05  Jason Merrill  <jason@redhat.com>
379
380         PR debug/43370
381         * c-common.c (handle_aligned_attribute): Respect
382         ATTR_FLAG_TYPE_IN_PLACE.
383
384         PR testsuite/43758
385         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
386         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
387         (TARGET_INITIALIZER): Use it.
388         * c-common.c (attribute_takes_identifier_p): Call it.
389         * c-common.h: Update prototype.
390         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
391         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
392
393 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
394
395         PR debug/43950
396         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
397         DW_ID_down_case for Fortran compilation units.
398
399 2010-05-05  Jan Hubicka  <jh@suse.cz>
400
401         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
402         handle aliases.
403
404 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
405
406         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
407         a variable-sized RESULT_DECL.
408
409 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
410
411         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
412
413 2010-05-05  Jason Merrill  <jason@redhat.com>
414
415         PR c++/43787
416         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
417         returns GS_OK.
418         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
419
420 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
421             Jakub Jelinek  <jakub@redhat.com>
422
423         PR debug/43478
424         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
425         (dead_debug_init, dead_debug_finish): New functions.
426         (dead_debug_add, dead_debug_insert_before): Likewise.
427         (df_note_bb_compute): Initialize a dead_debug object, add dead
428         debug uses to it, insert debug bind insns before death insns,
429         reset debug insns that refer to pending uses at the end.
430         * rtl.h (make_debug_expr_from_rtl): New prototype.
431         * varasm.c (make_debug_expr_from_rtl): New function.
432
433 2010-05-05  Jan Hubicka  <jh@suse.cz>
434
435         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
436         (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
437         lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
438         lto_varpool_encoder_encode_initializer_p,
439         lto_set_varpool_encoder_encode_initializer): New functions.
440         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
441         call output_varpool.
442         (input_varpool_node): Do not always set analyzed.
443         (input_cgraph_1): Return vector of cgraph nodes.
444         (input_varpool_1): Return vector of varpools.
445         (input_cgraph): Free the vectors.
446         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
447         output only initializers needed.
448         (lto_output): Only call output_cgraph.
449         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
450         * lto-section-out.c (lto_new_out_decl_state): Initialize
451         state->varpool_node_encoder.
452         * lto-streamer.h (lto_varpool_encoder_d): New.
453         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.     
454         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
455         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
456         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
457         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
458         Declare.
459         (output_varpool, input_varpool): Remove declarations.
460
461 2010-05-05  Jan Hubicka  <jh@suse.cz>
462
463         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
464         with body can prevail.
465
466 2010-05-05  Jan Hubicka  <jh@suse.cz>
467
468         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
469         size.
470
471 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
472
473         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
474         dependencies.
475
476         * gengtype.h (erro_at_line): Constify pos argument.
477
478         * gengtype.c: Include hashtab.h.
479         (enum gc_used): Document GC_MAYBE_POINTED_TO.
480         (error_at_line): Constify pos argument.
481         (do_typedef): Initialize p->opt field.
482         (get_file_gtfilename): Fix comment typo.
483         (struct walk_type_data): Constify line field.
484         (get_output_file_for_structure): New function.
485         (write_local_func_for_structure): Constify orig_s argument.
486         Use get_output_file_for_structure.
487         (write_func_for_structure): Use get_output_file_for_structure.
488         (INDENT): New define.
489         (dump_pair, dump_type, dump_type_list, dump_typekind)
490         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
491         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
492         functions.
493         (seen_types): New variable.
494         (main): New variable do_dump.  Process "-d" command line option.
495         Call dump_everything if dump requested.
496
497 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
498
499         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
500         in a temporary instead of invoking the macro multiple times.
501         (track_expr_p): Likewise.
502
503 2010-05-04  Neil Vachharajani <nvachhar@google.com>
504
505         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
506         per new semantics.
507         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
508         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
509         conditions for printing notes.
510         * common.opt (-Wcoverage-mismatch): Allow negative, default to
511         true, update documentation.
512         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
513
514 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
515
516         PR c/43981
517         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
518         on dimen.
519
520 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
521
522         PR target/43799
523         * config/i386/i386.md (sse_prologue_save): Add clobber CC
524         register.
525         (*sse_prologue_save_insn1): Likewise.
526         (SSE prologue save splitter): Likewise.
527
528 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
529
530         * tree.c (free_lang_data_in_one_sizepos): New inline function.
531         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
532         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
533         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
534         all decls.  Call it on DECL_FIELD_OFFSET of fields.
535         (find_decls_types_r): Follow DECL_VALUE_EXPR.
536         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
537
538 2010-05-04  Martin Jambor  <mjambor@suse.cz>
539
540         * tree-sra.c (build_access_from_expr_1): The first parameter type
541         changed to simple tree.
542         (build_access_from_expr): Likewise, gsi parameter was eliminated.
543         (scan_assign_result): Renamed to assignment_mod_result, enum elements
544         renamed as well.
545         (build_accesses_from_assign): Removed all parameters except for a
546         simple gimple statement.  Now returns a simple bool.
547         (scan_function): All non-analysis parts moved to separate functions
548         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
549         parameters and updated both callers.
550         (sra_modify_expr): Removed parameter data.
551         (sra_modify_function_body): New function.
552         (perform_intra_sra): Call sra_modify_function_body to modify the
553         function body.
554         (replace_removed_params_ssa_names): Parameter data changed into
555         adjustments vector.
556         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
557         changed the parameter dont_convert to convert with the opposite
558         meaning.
559         (sra_ipa_modify_assign): Parameter data changed into adjustments
560         vector, return value changed to bool.
561         (ipa_sra_modify_function_body): New function.
562         (sra_ipa_reset_debug_stmts): Updated a comment.
563         (modify_function): Use ipa_sra_modify_function_body to modify function
564         body.
565
566 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
567
568         PR middle-end/43671
569         * alias.c (true_dependence): Handle the same VALUE in x and mem.
570         (canon_true_dependence): Likewise.
571         (write_dependence_p): Likewise.
572
573 2010-05-04  Jan Hubicka  <jh@suse.cz>
574
575         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
576         * cgraphbuild.c: Include ipa-utils.h
577         (record_reference_ctx): New struct.
578         (record_reference): Simplify to work on initializers; not statements.
579         (mark_address, mark_load, mark_store): New.
580         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
581         walk PHI nodes too.
582         (record_references_in_initializer): Update use of record_reference.
583         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
584         walk PHI nodes too.
585
586 2010-05-04  Jan Hubicka  <jh@suse.cz>
587
588         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
589         node will be removed anyway.
590         (lto_varpool_replace_node): Allow also unanalyzed nodes;
591         relink aliases of node into prevailing node.
592         * varpool.c (varpool_remove_node): Remove aliases properly;
593         when removing node, remove all its aliases too; remove DECL_INITIAL
594         of removed node; ggc_free the varpool node.
595
596 2010-05-04  Richard Guenther  <rguenther@suse.de>
597
598         PR tree-optimization/43879
599         * tree-ssa-structalias.c (alias_get_name): Use
600         DECL_ASSEMBLER_NAME if available.
601         (create_function_info_for): Return the varinfo node.
602         (ipa_pta_execute): Associate same-body aliases and extra names
603         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
604
605 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
606
607         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
608         static.
609
610 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
611
612         PR bootstrap/43964
613         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
614         only if HONOR_REG_ALLOC_ORDER is not defined.
615
616 2010-05-04  Richard Guenther  <rguenther@suse.de>
617
618         PR tree-optimization/43949
619         * tree-vrp.c (extract_range_from_binary_expr): Only handle
620         TRUNC_MOD_EXPR.
621
622 2010-04-26  Jason Merrill  <jason@redhat.com>
623
624         * c.opt (-fstrict-enums): New.
625         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
626
627 2010-05-03  David Ung <davidu@mips.com>
628             James E. Wilson  <wilson@codesourcery.com>
629
630         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
631         emit the trap instruction before the divide for TUNE_74K.
632
633 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
634
635         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
636         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
637         based on the above, for new target hook.
638
639         * hooks.c (hook_bool_mode_true): New generic hook.
640         * hooks.h (hook_bool_mode_true): Add prototype.
641
642         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
643         target hook.
644         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
645         target hook, set to hook_bool_mode_false.
646         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
647         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
648         with targetm.small_register_classes_for_mode_p.
649         (find_reusable_reload): Likewise.
650         (combine_reloads): Likewise.
651         * reload1.c (reload_as_needed): Likewise.
652         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
653         * ifcvt.c (noce_process_if_block, check_cond_move_block,
654         dead_or_predicable): Likewise.
655         * regmove.c (optimize_reg_copy_1): Likewise.
656         * calls.c (prepare_call_address): Likewise.
657         (precompute_register_parameters): Likewise.
658
659         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
660         hook definition.
661         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
662         implementation of the hook that considers all register classes
663         small except for SH64.
664         (sh_override_options): Use the new hook.
665         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
666         Add prototype.
667
668         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
669         hook definition.
670         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
671         implementation of the hook that considers all register classes
672         small for THUMB1.
673         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
674         Add prototype.
675
676         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
677         hook definition.
678         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
679         implementation of the hook that considers all register classes
680         small for MIPS16.
681         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
682         Add prototype.
683
684         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
685         hook definition.
686         * config/m32c/m32c.h: Likewise.
687         * config/pdp11/pdp11.h: Likewise.
688         * config/avr/avr.h: Likewise.
689         * config/xtensa/xtensa.h: Likewise.
690         * config/m68hc11/m68hc11.h: Likewise.
691         * config/mn10300/mn10300.h: Likewise.
692         * config/mcore/mcore.h: Likewise.
693         * config/h8300/h8300.h: Likewise.
694         * config/bfin/bfin.h: Likewise.
695
696         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
697         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
698
699 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
700
701         * double-int.h (tree_to_double_int): Remove macro.
702         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
703         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
704         (tree_to_double_int): New function.
705         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
706         Move ...
707         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
708
709 2010-05-03  Richard Guenther  <rguenther@suse.de>
710
711         PR tree-optimization/43971
712         * tree-ssa-structalias.c (get_constraint_for_1): Fix
713         constraints in the !flag_delete_null_pointer_checks case.
714
715 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
716
717         PR debug/43972
718         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
719         result mode matches original rtl mode.
720
721 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
722
723         PR target/43888
724         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
725
726 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
727
728         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
729         when processing flag options.
730
731 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
732
733         * gcov-iov.c (main): Change format string placeholder
734         from %#08x to 0x%08x.
735         * genchecksum.c (dosum): Change format string placeholder
736         from %#02x to 0x%02x.
737
738 2010-05-02  Richard Guenther  <rguenther@suse.de>
739
740         PR tree-optimization/43879
741         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
742
743 2010-05-02  Bruno Haible  <bruno@clisp.org>
744
745         * doc/extend.texi (Function Attributes): Fix a typo.
746
747 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
748
749         Revert:
750         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
751         placeholder from 0x%x to %#x.
752         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
753         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
754         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
755         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
756         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
757         * config/i386/i386.c (ix86_target_string): Ditto.
758         * config/i386/i386.c (output_pic_addr_const): Ditto.
759         (print_operand): Ditto.
760
761 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
762
763         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
764         placeholder from 0x%x to %#x.
765         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
766         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
767         (ASM_OUTPUT_DEBUG_DATA): Ditto.
768         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
769         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
770         * optc-gen.awk: Ditto.
771         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
772         (HOST_WIDE_INT_PRINT_HEX): Ditto.
773         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
774         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
775
776 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
777
778         * target.h (struct calls): Add function_value_regno_p field.
779         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
780         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
781         * targhooks.c (default_function_value_regno_p): New function.
782         * targhooks.h (default_function_value_regno_p): Declare function.
783         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
784         * builtins.c. (apply_result_size): (Ditto.).
785         * combine.c. (likely_spilled_retval_p): (Ditto.).
786         * mode-switching.c. Include 'target.h'.
787         (create_pre_exit): Use function_value_regno_p hook.
788         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
789         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
790         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
791
792         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
793         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
794         (ix86_function_value_regno_p): Declare as static, change argument
795         type to const unsigned int.
796         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
797
798 2010-05-01  Richard Guenther  <rguenther@suse.de>
799
800         PR tree-optimization/43949
801         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
802         types.
803         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
804
805 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
806
807         * rtl.h (CONST_DOUBLE_P): Define.
808         (rtx_to_double_int): Declare.
809         * emit-rtl.c (rtx_to_double_int): New function.
810         * dwarf2out.c (insert_double): New function.
811         (loc_descriptor, add_const_value_attribute): Clean up, use
812         rtx_to_double_int and insert_double functions.
813
814 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
815
816         * doc/extend.texi (Inline): Add missing return keyword to examples.
817         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
818         "command-line".
819
820 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
821
822         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
823         the variable part of the offset as well.  Use highest_pow2_factor for
824         all alignment checks.
825
826 2010-04-30  Richard Guenther  <rguenther@suse.de>
827
828         PR tree-optimization/43879
829         * tree-ssa-structalias.c (type_could_have_pointers): Functions
830         can have pointers.
831
832 2010-04-30  Jan Hubicka  <jh@suse.cz>
833
834         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
835         varpool.
836         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
837
838 2010-04-30  Jan Hubicka  <jh@suse.cz>
839
840         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
841         New.
842         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
843         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
844         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
845         cgraph_node_set_needs_ltrans_p): Remove.
846
847 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
848
849         * sdbout.c: Include vec.h, do not include varray.h.
850         (deferred_global_decls, sdbout_global_decl,
851         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
852         * toplev.c: Do not include varray.h.
853         (dump_memory_report): Do not dump VARRAY statistics.
854         * gengtype.c (open_base_file): Ignore varray.h.
855         * Makefile.in: Update for abovementioned changes.
856         Remove all traces of varray.c and varray.h.
857         * varray.c: Remove file.
858         * varray.h: Remove file.
859
860 2010-04-30  Jan Hubicka  <jh@suse.cz>
861
862         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
863         references.
864
865 2010-04-30  Jan Hubicka  <jh@suse.cz>
866
867         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
868         needed.
869
870 2010-04-30  Richard Guenther  <rguenther@suse.de>
871
872         * tree-ssa-structalias.c (get_constraint_for_1): Generate
873         constraints for CONSTRUCTOR.
874
875 2010-04-30  Richard Guenther  <rguenther@suse.de>
876
877         PR lto/43946
878         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
879         first after all lowering passes.
880
881 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
882
883         * toplev.c: Include varray.h for statistics dumping.
884         * tree.h: Do not declare varray_head_tag.
885         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
886         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
887         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
888         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
889         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
890         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
891         c-common.c, c-common.h, reg-stack.c, basic-block.h,
892         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
893         include varray.h.
894         * Makefile.in: Update for abovementioned changes.
895
896 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
897
898         PR debug/43942
899         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
900
901 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
902
903         * config/picochip/picochip.c (picochip_legitimize_address): Define.
904         Use this function to do machine-specific conversion.
905         (picochip_legitimize_reload_address): Likewise.
906         (picochip_legitimate_address_p): Check valid base register only if
907         strict.
908         (picochip_check_conditional_copy): Check for modw only if opnd is
909         register.
910         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
911         to call the function in c.
912         * config/picochip/picochip-protos.h
913         (picochip_legitimize_reload_address): Define.
914         * config/picochip/picochip.md (supported_compare1): Define.
915
916 2010-04-30  Jan Hubicka  <jh@suse.cz>
917
918         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
919         (cgraph_global_info): Remove inlined.
920         (LTO_cgraph_tag_names): Remove.
921         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
922         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
923         simplify cgraph tags and document.
924         (lto_output_node): Use only LTO_cgraph_unavail_node and
925         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
926         for_functions_valid, global info, process and output flags.
927         (input_overwrite_node): Initialize estimated stack size and
928         estimated growth.  Do not read flags we no longer store.
929         (input_node): Likewise do not read info no longer stored.
930         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
931         flag.
932
933 2010-04-30  Richard Guenther  <rguenther@suse.de>
934
935         PR tree-optimization/43879
936         * tree-ssa-structalias.c (get_constraint_for_1): Properly
937         handle non-zero initializers.
938
939 2010-04-30  Richard Guenther  <rguenther@suse.de>
940
941         * builtins.c (fold_builtin_1): Delete free (0).
942
943 2010-04-29  Jan Hubicka  <jh@suse.cz>
944
945         * gengtype.c (open_base_files): Add lto-streamer.h
946         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
947         (pass_ipa_cp): GGC collect.
948         * toplev. (compile_file): Do not output symbols.
949         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
950         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
951         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
952         * lto-section-in.c: Include ggc.h
953         (lto_new_in_decl_state): Alloc in GGC.
954         (lto_delete_in_decl_state): Likewise.
955         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
956         Collect.
957
958 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
959
960         PR target/42895
961         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
962         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
963         (HONOR_REG_ALLOC_ORDER): Describe new macro.
964         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
965         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
966         account only if HONOR_REG_ALLOC_ORDER is not defined.
967         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
968         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
969
970 2010-04-29  Jon Grant  <04@jguk.org>
971
972         * collect2.c (vflag): Change type from int to bool.
973         (debug): Likewise.
974         (helpflag): New global bool.
975         (main): Set vflag and debug with boolean, not integer truth values.
976         Accept new "--help" option and output usage text if found.
977         * collect2.h (vflag): Update prototype.
978         (debug): Likewise.
979
980 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
981
982         PR bootstrap/43936
983         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
984
985 2010-04-29  Richard Guenther  <rguenther@suse.de>
986
987         PR bootstrap/43935
988         * plugin.h (invoke_plugin_callbacks): Annotate arguments
989         with ATTRIBUTE_UNUSED.
990
991 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
992
993         PR target/43921
994         * config/i386/i386.c (get_some_local_dynamic_name): Replace
995         INSN_P with NONDEBUG_INSN_P.
996         (distance_non_agu_define): Likewise.
997         (distance_agu_use): Likewise.
998
999 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1000
1001         From Dominique d'Humieres <dominiq@lps.ens.fr>
1002         PR bootstrap/43858
1003         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1004         test_set.
1005
1006 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1007
1008         * plugin.h (invoke_plugin_callbacks): New inline function.
1009         * plugin.c (flag_plugin_added): New global flag.
1010         (add_new_plugin): Initialize above flag.
1011         (invoke_plugin_callbacks): Rename to ...
1012         (invoke_plugin_callbacks_full): ... this.
1013
1014 2010-04-28  Jan Hubicka  <jh@suse.cz>
1015
1016         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1017         (lto_varpool_replace_node): New.
1018         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1019         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1020         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1021         * cgraph.h (varpool_node_ptr): New type.
1022         (varpool_node_ptr): New vector.
1023         (varpool_node_set_def): New structure.
1024         (varpool_node_set): New type.
1025         (varpool_node_set): New vector.
1026         (varpool_node_set_element_def): New structure.
1027         (varpool_node_set_element, const_varpool_node_set_element): New types.
1028         (varpool_node_set_iterator): New type.
1029         (varpool_node): Add prev pointers, add used_from_other_partition,
1030         in_other_partition.
1031         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1032         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1033         varpool_get_node, varpool_remove_node): Declare.
1034         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1035         varpool_node_set_size): New inlines.
1036         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1037         * tree-pass.h (varpool_node_set_def): Forward declare.
1038         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1039         (ipa_write_optimization_summaries): Update prototype.
1040         * ipa-cp.c (ipcp_write_summary): Update.
1041         * ipa-reference.c (ipa_reference_write_summary): Update.
1042         * lto-cgraph.c (lto_output_varpool_node): New static function.
1043         (output_varpool): New function.
1044         (input_varpool_node): New static function.
1045         (input_varpool_1): New function.
1046         (input_cgraph): Input varpool.
1047         * ipa-pure-const.c (pure_const_write_summary): Update.
1048         * lto-streamer-out.c (lto_output): Update, output varpool too.
1049         (write_global_stream): Kill WPA hack.
1050         (produce_asm_for_decls): Update.
1051         (output_alias_pair_p): Handle variables.
1052         (output_unreferenced_globals): Output only needed partition of varpool.
1053         * ipa-inline.c (inline_write_summary): Update.
1054         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1055         cgraph.
1056         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1057         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1058         varpool_node_set_new, varpool_node_set_add,
1059         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1060         debug_varpool_node_set): New functions.
1061         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1062         (execute_one_pass): Process new decls too.
1063         (ipa_write_summaries_2): Pass around vsets.
1064         (ipa_write_summaries_1): Likewise.
1065         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1066         to add.
1067         (ipa_write_optimization_summaries_1): Pass around vsets.
1068         (ipa_write_optimization_summaries): Likewise.
1069         * varpool.c (varpool_get_node): New.
1070         (varpool_node): Update doubly linked lists.
1071         (varpool_remove_node): New.
1072         (dump_varpool_node): More dumping.
1073         (varpool_enqueue_needed_node): Update doubly linked lists.
1074         (decide_is_variable_needed): Kill ltrans hack.
1075         (varpool_finalize_decl): Kill lto hack.
1076         (varpool_assemble_decl): Skip decls in other partitions.
1077         (varpool_assemble_pending_decls): Update doubly linkes lists.
1078         (varpool_empty_needed_queue): Likewise.
1079         (varpool_extra_name_alias): Likewise.
1080         * lto-streamer.c (lto_get_section_name): Add vars section.
1081         * lto-streamer.h (lto_section_type): Update.
1082         (output_varpool, input_varpool): Declare.
1083
1084 2010-04-28  Mike Stump  <mikestump@comcast.net>
1085
1086         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1087
1088 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1089
1090         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1091         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1092         (lto_input_ts_type_tree_pointers): Likewise.
1093         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1094         (lto_output_ts_type_tree_pointers): Likewise.
1095
1096 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1097
1098         Uniquization of constants at the Tree level
1099         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1100         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1101         bit to the end.
1102         (tree_output_constant_def): Declare.
1103         * gimplify.c (gimplify_init_constructor): When using block copy, first
1104         uniquize the constant constructor on the RHS.
1105         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1106         DECL_IN_CONSTANT_POOL flag.
1107         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1108         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1109         constant pool.
1110         (assemble_variable): Deal with symbols belonging to the tree constant
1111         pool.
1112         (get_constant_section): Add ALIGN parameter and simplify.
1113         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1114         (assemble_constant_contents): Use the expression of the VAR_DECL.
1115         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1116         (tree_output_constant_def): New global function.
1117         (mark_constant): Use the expression of the VAR_DECL.
1118         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1119         its expression.
1120         (output_object_block): Likewise and assemble the expression.
1121
1122 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1123
1124         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1125         hash_tree, eq_tree): New tree hash table.
1126         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1127         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1128         lto_orig_address_remove): Reimplement.
1129
1130 2010-04-28  Xinliang David Li  <davidxl@google.com>
1131
1132         PR c/42643
1133         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1134         (compute_uninit_opnds_pos): New function.
1135         (is_non_loop_exit_postdominating): New function.
1136         (compute_control_dep_chain): New function.
1137         (find_pdom): New function.
1138         (convert_control_dep_chain_into_preds): New function.
1139         (find_predicates): New function.
1140         (find_control_equiv_block): New function.
1141         (collect_phi_def_edges): New function.
1142         (find_def_preds): New function.
1143         (find_dom): New function.
1144         (dump_predicates): New function.
1145         (get_cmp_code): New function.
1146         (is_value_included_in): New function.
1147         (find_matching_predicate_in_rest_chains): New function.
1148         (use_pred_not_overlap_with_undef_path_pred): New function.
1149         (is_use_properly_guarded): New function.
1150         (normalize_cond_1): New function.
1151         (is_and_or_or): New function.
1152         (normalize_cond): New function.
1153         (is_gcond_subset_of): New function.
1154         (is_subset_of_any): New function.
1155         (is_or_set_subset_of): New function.
1156         (is_and_set_subset_of): New function.
1157         (is_norm_cond_subset_of): New function.
1158         (is_pred_expr_subset_of): New function.
1159         (is_pred_chain_subset_of): New function.
1160         (is_included_in): New function.
1161         (is_superset_of): New function.
1162         (find_uninit_use): New function.
1163         (warn_uninitialized_phi): New function.
1164         (compute_possibly_undefined_names): New function.
1165         (ssa_undefined_value_p): New function.
1166         (execute_late_warn_uninitialized): New function.
1167         * tree-ssa.c (ssa_undefined_value_p): Removed.
1168         (warn_uninit): Changed to extern.
1169         (warn_uninitialized_phi): Removed.
1170         (warn_uninitialized_vars): Changed to extern.
1171         (execute_late_warn_uninitialized): Removed
1172         * tree-flow.h: Add new prototypes.
1173         * timevar.def: Add new time variable.
1174         * Makefile.in: Add new build file.
1175
1176 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1177
1178         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1179         type if available.
1180
1181 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1182
1183         PR target/22224
1184         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1185
1186 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1187
1188         * cgraph.h (struct cgraph_node): New field indirect_calls.
1189         (struct cgraph_indirect_call_info): New type.
1190         (struct cgraph_edge): Removed field indirect_call. New fields
1191         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1192         (cgraph_create_indirect_edge): Declare.
1193         (cgraph_make_edge_direct): Likewise.
1194         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1195         * ipa-prop.h (struct ipa_param_call_note): Removed.
1196         (struct ipa_node_params): Removed field param_calls.
1197         (ipa_create_all_structures_for_iinln): Declare.
1198         * cgraph.c: Described indirect edges and uids in initial comment.
1199         (cgraph_add_edge_to_call_site_hash): New function.
1200         (cgraph_edge): Search also among the indirect edges, use
1201         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1202         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1203         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1204         site hash.
1205         (initialize_inline_failed): Assign a reason to indirect edges.
1206         (cgraph_create_edge_1): New function.
1207         (cgraph_create_edge): Moved some functionality to
1208         cgraph_create_edge_1.
1209         (cgraph_create_indirect_edge): New function.
1210         (cgraph_edge_remove_callee): Add an assert checking for
1211         non-indirectness.
1212         (cgraph_edge_remove_caller): Special-case indirect edges.
1213         (cgraph_remove_edge): Likewise.
1214         (cgraph_set_edge_callee): New function.
1215         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1216         (cgraph_make_edge_direct): New function.
1217         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1218         the declaration of the call statement matches.
1219         (cgraph_node_remove_callees): Special-case indirect edges.
1220         (cgraph_clone_edge): Likewise.
1221         (cgraph_clone_node): Clone also the indirect edges.
1222         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1223         indirect_call, dump count of indirect_calls edges.
1224         * ipa-prop.c (iinlining_processed_edges): New variable.
1225         (ipa_note_param_call): Create indirect edges instead of
1226         creating notes.  New parameter node.
1227         (ipa_analyze_call_uses): New parameter node, pass it on to
1228         ipa_note_param_call.
1229         (ipa_analyze_stmt_uses): Likewise.
1230         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1231         (print_edge_addition_message): Work on edges rather than on notes.
1232         (update_call_notes_after_inlining): Likewise, renamed to
1233         update_indirect_edges_after_inlining.
1234         (ipa_create_all_structures_for_iinln): New function.
1235         (ipa_free_node_params_substructures): Do not free notes.
1236         (ipa_edge_duplication_hook): Propagate bits within
1237         iinlining_processed_edges bitmap.
1238         (ipa_node_duplication_hook): Do not duplicate notes.
1239         (free_all_ipa_structures_after_ipa_cp): Renamed to
1240         ipa_free_all_structures_after_ipa_cp.
1241         (free_all_ipa_structures_after_iinln): Renamed to
1242         ipa_free_all_structures_after_iinln.g
1243         (ipa_write_param_call_note): Removed.
1244         (ipa_read_param_call_note): Removed.
1245         (ipa_write_indirect_edge_info): New function.
1246         (ipa_read_indirect_edge_info): Likewise.
1247         (ipa_write_node_info): Do not stream notes, do stream information
1248         in indirect edges.
1249         (ipa_read_node_info): Likewise.
1250         (lto_ipa_fixup_call_notes): Removed.
1251         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1252         * ipa-inline.c (pass_ipa_inline): Likewise.
1253         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1254         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1255         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1256         is_gimple_call.
1257         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1258         edges.
1259         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1260         (output_cgraph): Stream also indirect edges.
1261         (lto_output_edge): Added capability to stream indirect edges.
1262         (input_edge): Likewise.
1263         (input_cgraph_1): Likewise.
1264         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1265         of indirect edges.
1266
1267 2010-04-28  Richard Guenther  <rguenther@suse.de>
1268
1269         PR tree-optimization/43879
1270         PR tree-optimization/43909
1271         * tree-ssa-structalias.c (struct variable_info): Add
1272         only_restrict_pointers flag.
1273         (new_var_info): Initialize it.  Increment stats.total_vars here.
1274         (create_function_info_for): Do not increment stats.total_vars
1275         here.
1276         (get_function_part_constraint): Fix build with C++.
1277         (insert_into_field_list): Remove.
1278         (push_fields_onto_fieldstack): Properly merge fields.
1279         (create_variable_info_for): Split and simplify.
1280         (create_variable_info_for_1): New piece.
1281         (intra_create_variable_infos): Properly make restrict constraints
1282         from parameters.
1283
1284 2010-04-28  Richard Guenther  <rguenther@suse.de>
1285
1286         PR c++/43880
1287         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1288
1289 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1290             Jan Hubicka <hubicka@ucw.cz>
1291
1292         * doc/invoke.texi (-Wsuggest-attribute=const,
1293         -Wsuggest-attribute=pure): Document.
1294         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1295         (function_always_visible_to_compiler_p,
1296         suggest_attribute, warn_function_pure, warn_function_const):
1297         New functions.
1298         (check_call): Improve debug info.
1299         (analyze_function): Do not check availability.
1300         (add_new_function): Check availability.
1301         (propagate): Output warnings.
1302         (skip_function_for_local_pure_const): New function.
1303         (local_pure_const): Use it; output warnings.
1304         * common.opt (Wsuggest-attribute=const,
1305         Wsuggest-attribute=pure): New.
1306
1307 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1308
1309         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1310         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1311         or DW_CFA_def_cfa_offset{,_sf}.
1312
1313 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1314
1315         * tree.h: Fix truncated long macros.
1316
1317 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1318
1319         * collect2.c (TARGET_64BIT): Redefine to target's default.
1320         * tlink.c: Likewise.
1321         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1322         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1323         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1324         for underscoring __USER_LABEL_PREFIX__.
1325         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1326         (SUB_LINK_ENTRY32): New.
1327         (SUB_LINK_ENTRY64): New.
1328         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1329         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1330         (SUB_LINK_ENTRY64): New.
1331         (SUB_LINK_ENTRY): New.
1332         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1333         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1334         x64 target is choosen.
1335         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1336         * configure: Regenerated.
1337         * configure.ac (leading-mingw64-underscores): Option added.
1338
1339 2010-04-27  Jan Hubicka  <jh@suse.cz>
1340
1341         * doc/invoke.texi (-fipa-profile): Document.
1342         * opts.c (decode_options): Enable ipa-profile at -O1.
1343         * timevar.def (TV_IPA_PROFILE): Define.
1344         * common.opt (fipa-profile): Add.
1345         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1346         flag for clones.
1347         (cgraph_propagate_frequency): Handle only local ones.
1348         * tree-pass.h (pass_ipa_profile): Declare.
1349         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1350         (pass_ipa_profile): Use TV_IPA_PROFILE.
1351         * ipa.c (ipa_profile): New function.
1352         (gate_ipa_profile): Likewise.
1353         (pass_ipa_profile): New global variable.
1354         * passes.c (pass_ipa_profile): New.
1355
1356 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1357
1358         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1359
1360 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1361
1362         PR middle-end/43812
1363         * ipa.c (dissolve_same_comdat_group_list): New function.
1364         (function_and_variable_visibility): Call
1365         dissolve_same_comdat_group_list when comdat group contains external or
1366         newly local nodes.
1367         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1368         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1369
1370 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1371
1372         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1373         (const_hash_1) <VECTOR_CST>: New case.
1374         (compare_constant) <VECTOR_CST>: Likewise.
1375         <ADDR_EXPR>: Deal with LABEL_REFs.
1376         (copy_constant) <VECTOR_CST>: New case.
1377
1378 2010-04-27  Jan Hubicka  <jh@suse.cz>
1379
1380         * cgraph.c (cgraph_propagate_frequency): New function.
1381         * cgraph.h (cgraph_propagate_frequency): Declare.
1382         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1383         cgraph_propagate_frequency.
1384
1385 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1386
1387         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1388
1389 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1390
1391         PR target/40657
1392         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1393         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1394         here to determine which regs to push and how much stack to reserve.
1395
1396 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1397
1398         * doc/gimple.texi (gimple_statement_with_ops): Remove
1399         addresses_taken field.
1400         (gimple_statement_with_memory_ops): Likewise.
1401
1402 2010-04-27  Jan Hubicka  <jh@suse.cz>
1403
1404         * tree-inline.c (eni_inlining_weights): Remove.
1405         (estimate_num_insns): Special case more builtins.
1406
1407 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1408
1409         PR c/32207
1410         * c-typeck.c (build_binary_op): Move forward check for comparison
1411         pointer with null pointer constant and adjust the diagnostic message.
1412
1413 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1414
1415         PR lto/42776
1416         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1417         binutils supports extended .section directive needed by LTO, or
1418         warn if older binutils found.
1419         (LTO_BINARY_READER): New AC_SUBST'd variable.
1420         (LTO_USE_LIBELF): Likewise.
1421         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1422         variable.
1423         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1424         (LTO_USE_LIBELF): Likewise.
1425         * configure: Regenerate.
1426
1427         * collect2.c (is_elf): Rename from this ...
1428         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1429          object files in addition to ELF-formatted ones.
1430         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1431         symbol to be prefixed or not by an extra underscore.
1432
1433         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1434         * config/i386/winnt.c: Also #include lto-streamer.h
1435         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1436         LTO named sections.
1437         (i386_pe_asm_output_aligned_decl_common): Add comment.
1438         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1439
1440 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1441
1442         PR target/43889
1443         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1444         Add missing earlyclobber for second alternative.
1445
1446 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1447
1448         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1449         bits for artificial defs at the top of the block.
1450         * fwprop.c (single_def_use_enter_block): Don't call it.
1451
1452 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1453
1454         PR 43715
1455         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1456         instead of "$gcc_cv_objdump -T".
1457         Use "-undefined dynamic_lookup" on darwin.
1458         * gcc/configure: Regenerate.
1459
1460 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1461
1462         PR c/43893
1463         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1464
1465 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1466
1467         * c-parser.c (struct c_token): Move location field up.
1468         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1469         (struct c_declspecs): Convert typespec_word, storage_class, and
1470         default_int_p into bitfields.
1471         (struct c_declarator): Move loc field up.
1472
1473 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1474
1475         * cfgloop.h (struct loop): Move can_be_parallel field up.
1476         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1477         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1478         down.
1479         (struct iv_cand): Convert pos field into a bitfield.
1480         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1481         field up.
1482         (struct _stmt_vec_info): Shuffle fields for better packing.
1483
1484 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1485
1486         * varasm.c (IN_NAMED_SECTION): Remove guard.
1487         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1488         (IN_NAMED_SECTION_P): ...this.
1489         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1490         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1491
1492 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1493
1494         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1495         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1496         of shadowing it.  Fix comments.
1497
1498 2010-04-26  Jan Hubicka  <jh@suse.cz>
1499
1500         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1501         (cgraph_clone_node): Copy function frequency.
1502         * cgraph.h (node_frequency): New enum
1503         (struct cgraph_node): Add.
1504         * final.c (rest_of_clean_state): Update.
1505         * lto-cgraph.c (lto_output_node): Output node frequency.
1506         (input_overwrite_node): Input node frequency.
1507         * tre-ssa-loop-ivopts (computation_cost): Update.
1508         * lto-streamer-out.c (output_function): Do not output function
1509         frequency.
1510         * predict.c (maybe_hot_frequency_p): Update and handle functions
1511         executed once.
1512         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1513         attribute lookup.
1514         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1515         (compute_function_frequency): Set noreturn functions to be executed
1516         once.
1517         (choose_function_section): Update.
1518         * lto-streamer-in.c (input_function): Do not input function frequency.
1519         * function.c (allocate_struct_function): Do not initialize function
1520         frequency.
1521         * function.h (function_frequency): Remove.
1522         (struct function): Remove function frequency.
1523         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1524         (try_update): Update.
1525         * tree-inline.c (initialize_cfun): Do not update function frequency.
1526         * passes.c (pass_init_dump_file): Update.
1527         * i386.c (ix86_compute_frame_layout): Update.
1528         (ix86_pad_returns): Update.
1529
1530 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1531
1532         PR tree-optimization/43833
1533         * tree-vrp.c (range_int_cst_p): New.
1534         (range_int_cst_singleton_p): New.
1535         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1536         when both operands are constants.  Use range_int_cst_p in
1537         BIT_IOR_EXPR case.
1538
1539 2010-04-26  Jan Hubicka  <jh@suse.cz>
1540
1541         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1542
1543 2010-04-26  Richard Guenther  <rguenther@suse.de>
1544
1545         PR lto/43080
1546         * gimple.c (gimple_decl_printable_name): Deal gracefully
1547         with a NULL DECL_NAME.
1548
1549 2010-04-26  Richard Guenther  <rguenther@suse.de>
1550
1551         PR lto/42425
1552         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1553         if emitting debug information and it is either a function
1554         or a namespace decl.
1555
1556 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1557
1558         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1559         determine if the statement is vectorizable, and a macro to access it.
1560         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1561         Skip statements that can't be vectorized. If the analysis fails,
1562         mark the statement as unvectorizable if vectorizing basic block.
1563         (vect_compute_data_refs_alignment): Likewise.
1564         (vect_verify_datarefs_alignment): Skip statements marked as
1565         unvectorizable. Add print.
1566         (vect_analyze_group_access): Skip statements that can't be
1567         vectorized. If the analysis fails, mark the statement as
1568         unvectorizable if vectorizing basic block.
1569         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1570         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1571         generated stmts for SLP.
1572         (new_stmt_vec_info): Initialize the new field.
1573         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1574         statements marked as unvectorizable.
1575
1576 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1577
1578         * c-common.c (flag_isoc1x): New.
1579         (flag_isoc99): Update comment.
1580         * c-common.h (flag_isoc1x): New.
1581         (flag_isoc99): Update comment.
1582         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1583         __<type>_DECIMAL_DIG__.
1584         * c-opts.c (set_std_c1x): New.
1585         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1586         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1587         * c.opt (-std=c1x, -std=gnu1x): New options.
1588         * doc/cpp.texi: Mention -std=c1x.
1589         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1590         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1591         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1592         * doc/standards.texi: Mention C1X.
1593         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1594         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1595         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1596         Define for C1X.
1597
1598 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1599
1600         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1601         placeholder from 0x%x to %#x.
1602         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1603         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1604         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1605         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1606         * config/i386/i386.c (ix86_target_string): Ditto.
1607         (output_pic_addr_const): Ditto.
1608         (print_operand): Ditto.
1609
1610 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1611
1612         * combine.c (find_split_point): Add third argument.  Use it
1613         to find nested multiply-accumulate instructions.  Adjust calls.
1614         (try_combine): Adjust call to find_split_point.
1615
1616 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1617
1618         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1619
1620 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1621
1622         PR tree-optimization/41442
1623         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1624         (fold_binary_loc): Call it.
1625
1626 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1627
1628         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1629         * opts.c (common_handle_option): Allow disabling it.
1630         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1631
1632 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1633
1634         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1635         between modes if both types are integral.
1636
1637 2010-04-23  Richard Guenther  <rguenther@suse.de>
1638
1639         PR tree-optimization/43572
1640         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1641
1642 2010-04-23  Richard Guenther  <rguenther@suse.de>
1643
1644         PR lto/43455
1645         * tree-inline.c (tree_can_inline_p): Also check compatibility
1646         of return types.
1647
1648 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1649
1650         PR tree-optimization/43846
1651         * tree-sra.c (struct access): New flag grp_assignment_read.
1652         (build_accesses_from_assign): Set grp_assignment_read.
1653         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1654         (enum mark_read_status): New type.
1655         (analyze_access_subtree): Propagate grp_assignment_read, create
1656         accesses also if both direct_read and root->grp_assignment_read.
1657
1658 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1659
1660         PR middle-end/43835
1661         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1662         function does not have type attributes.
1663
1664 2010-04-23  Richard Guenther  <rguenther@suse.de>
1665
1666         PR lto/42653
1667         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1668         of FUNCTION_DECLs.
1669
1670 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1671
1672         * sese.h (create_if_region_on_edge): Remove.
1673
1674         * sese.c (create_if_region_on_edge): Make static.
1675
1676         * tree-inline.c: Do not include ggc.h.
1677
1678         * expr.c: Do not include ggc.h.
1679
1680         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1681         dependencies.
1682
1683 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1684
1685         PR target/43744
1686         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1687         in the middle of insns for casesi_worker_2.
1688
1689 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1690
1691         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1692
1693 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1694
1695         PR tree-optimization/43842
1696         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1697         loop unrolling in update of exit phis. Fix comment.
1698         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1699         least two reduction statements in the loop before starting SLP
1700         analysis.
1701
1702 2010-04-22  Nick Clifton  <nickc@redhat.com>
1703
1704         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1705
1706 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1707
1708         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1709         to simplify a + ~a.
1710
1711 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1712
1713         * tree-parloops.c (loop_parallel_p): New argument
1714         parloop_obstack.  Pass it down.
1715         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1716         pass it down, free it.
1717
1718         * tree-loop-linear.c (linear_transform_loops): Pass down
1719         lambda_obstack.
1720
1721         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1722         of type struct obstack *.
1723
1724         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1725         scratch_obstack.  Initialize it, pass down, free it.
1726
1727         * lambda.h (lambda_loop_new): Remove.
1728         (lambda_matrix_new, lambda_matrix_inverse)
1729         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1730         argument of type struct obstack *.
1731
1732         * lambda-trans.c (lambda_trans_matrix_new): New argument
1733         lambda_obstack.  Pass it down, use obstack allocation for ret.
1734         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1735         it down.
1736
1737         * lambda-mat.c (lambda_matrix_get_column)
1738         (lambda_matrix_project_to_null): Remove.
1739         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1740         allocation for mat.
1741         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1742         lambda_obstack.
1743
1744         * lambda-code.c (lambda_loop_new): New function.
1745         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1746         (lambda_compute_auxillary_space, lambda_compute_target_space)
1747         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1748         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1749         (build_access_matrix): New argument lambda_obstack.  Use obstack
1750         allocation for am.
1751         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1752         argument lambda_obstack.  Pass it down.
1753
1754 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1755
1756         * optabs.h (expand_widening_mult): Declare.
1757
1758 2010-04-22  Richard Guenther  <rguenther@suse.de>
1759
1760         PR tree-optimization/43845
1761         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1762         lookup the CALL_EXPR function and arguments.
1763
1764 2010-04-22  Nick Clifton  <nickc@redhat.com>
1765
1766         * config/stormy16/stormy16.c
1767         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1768         * config/stormy16/stormy16.h: Tidy up formatting.
1769         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1770         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1771         (ineqbranchsi): Delete pattern.
1772         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1773         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1774         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1775         stormy16-lib2-ucmpsi2.c.
1776
1777 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1778
1779         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1780         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1781         extra set merge_set_noclobber, and use it to relax the final test
1782         slightly.
1783         * df.h (df_simulate_find_noclobber_defs): Declare.
1784         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1785         conditional defs.
1786         (df_simulate_find_noclobber_defs): New function.
1787
1788 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1789
1790         * config/i386/i386.md: Use {} around multi-line preparation statements.
1791
1792 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1793
1794         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1795         (process_init_element): New argument of type struct obstack *.
1796
1797         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1798         (set_init_index, set_init_label, set_nonincremental_init)
1799         (set_nonincremental_init_from_string, find_init_member)
1800         (output_init_element, output_pending_init_elements)
1801         (process_init_element): New argument braced_init_obstack.  Pass it
1802         down.
1803         (push_range_stack, add_pending_init): New argument
1804         braced_init_obstack.  Use obstack allocation.
1805
1806         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1807         braced_init_obstack.  Pass it down.
1808         (c_parser_braced_init): New variables ret, braced_init_obstack.
1809         Initialize obstack, pass it down and finally free it.
1810
1811 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1812
1813         PR middle-end/29274
1814         * tree-pass.h (pass_optimize_widening_mul): Declare.
1815         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1816         gate_optimize_widening_mul): New static functions.
1817         (pass_optimize_widening_mul): New.
1818         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1819         <case MULT_EXPR>: Remove support for widening multiplies.
1820         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1821         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1822         simplify_gen_unary rather than directly building extensions.
1823         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1824         WIDEN_MULT_EXPR.
1825         * expmed.c (expand_widening_mult): New function.
1826         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1827
1828 2010-04-21  Jan Hubicka  <jh@suse.cz>
1829
1830         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1831         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1832         * lto-wpa-fixup.c: Remove.
1833         * Makefile.in (lto-wpa-fixup.o): Remove.
1834         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1835         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1836         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1837
1838 2010-04-21  Jan Hubicka  <jh@suse.cz>
1839
1840         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1841         add write_optimization_summary, read_optimization_summary.
1842         (ipa_write_summaries_of_cgraph_node_set): Remove.
1843         (ipa_write_optimization_summaries): Declare.
1844         (ipa_read_optimization_summaries): Declare.
1845         * ipa-cp.c (pass_ipa_cp): Update.
1846         * ipa-reference.c (pass_ipa_reference): Update.
1847         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1848         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1849         Update.
1850         * ipa-inline.c (pass_ipa_inline): Update.
1851         * ipa.c (pass_ipa_whole_program): Update.
1852         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1853         * passes.c (ipa_write_summaries_1): Do not test wpa.
1854         (ipa_write_optimization_summaries_1): New.
1855         (ipa_write_optimization_summaries): New.
1856         (ipa_read_summaries): Do not test ltrans.
1857         (ipa_read_optimization_summaries_1): New.
1858         (ipa_read_optimization_summaries): New.
1859
1860 2010-04-21  Jan Hubicka  <jh@suse.cz>
1861
1862         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1863         for boundary nodes.
1864         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1865
1866 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1867
1868         PR debug/40040
1869         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1870         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1871
1872 2010-04-21  Jan Hubicka  <jh@suse.cz>
1873
1874         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1875
1876 2010-04-21  Jan Hubicka  <jh@suse.cz>
1877
1878         * varpool.c (decide_is_variable_needed): Variable is always needed
1879         during ltrans.
1880
1881 2010-04-21  Jan Hubicka  <jh@suse.cz>
1882
1883         * opts.c (decode_options): Enable pure-const pass for whopr.
1884
1885 2010-04-21  Jan Hubicka  <jh@suse.cz>
1886
1887         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1888         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1889         at WPA dumping.
1890         (cgraph_decide_inlining): Do not expect callee to be removed in all
1891         cases.
1892
1893 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1894
1895         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1896
1897 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1898
1899         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1900         amdfam10_decode attributes.
1901
1902 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1903
1904         PR middle-end/43570
1905         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1906         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1907         (lower_copyprivate_clauses): Use private var in outer
1908         context instead of original var.  Make sure the types
1909         are correct for VLAs.
1910
1911 2010-04-21  Richard Guenther  <rguenther@suse.de>
1912
1913         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1914         to non-pointer objects.
1915
1916 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1917
1918         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1919         last chain entry if it starts with the still current label.
1920         (add_location_or_const_value_attribute): Check that
1921         loc_list->first->next is NULL instead of comparing ->first with ->last.
1922         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1923         to add_var_loc_to_decl.
1924
1925         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1926         >= 4 add also address size and segment size fields into CIE header.
1927
1928         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1929         long as address size is the same as sizeof (void *) and
1930         segment size is 0.
1931         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1932         address size or segment size is unexpected, return DW_EH_PE_omit.
1933         (classify_object_over_fdes): If get_cie_encoding returned
1934         DW_EH_PE_omit, return -1.
1935         (init_object): If classify_object_over_fdes returned -1,
1936         pretend there were no FDEs at all.
1937
1938 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1939
1940         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1941         bswap{si,di}2 using SWI48 mode iterator.
1942         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1943         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1944         set modrm attribute of bswap insn to 0 and remove length attribute.
1945         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1946         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1947         set mode attribute to <MODE> and remove length attribute.
1948
1949 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1950
1951         PR rtl-optimization/43520
1952         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1953         zero available registers.
1954
1955 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1956
1957         * builtins.c (fold_builtin_cproj): Fold more cases.
1958
1959 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1960
1961         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1962         (fold_builtin_1): Fold builtin cproj.
1963         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1964         Use ATTR_CONST_NOTHROW_LIST.
1965
1966 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1967
1968         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1969         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1970         ffsi2_no_cmove for !TARGET_CMOVE.
1971         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1972         (ffssi2): Remove expander.
1973         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1974         mode iterator.
1975         (ctz<mode>2): Ditto from ctz{si,di}2.
1976         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1977         mode iterator.
1978         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1979         mode iterator.
1980
1981 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1982
1983         * dwarf2out.c (AT_linkage_name): Define.
1984         (clone_as_declaration): Handle DW_AT_linkage_name.
1985         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1986         of DW_AT_MIPS_linkage_name.
1987         (move_linkage_attr): Likewise.
1988         (dwarf2out_finish): Likewise.
1989
1990 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1991
1992         PR middle-end/41952
1993         * fold-const.c (fold_comparison): New folding rule.
1994
1995 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1996
1997         * double-int.h (double_int_setbit): Declare.
1998         * double-int.c (double_int_setbit): New function.
1999         * rtl.h (immed_double_int_const): Declare.
2000         * emit-rtl.c (immed_double_int_const): New function.
2001         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2002         and immed_double_int_const functions.
2003         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2004         expand_copysign_bit):  (Ditto.).
2005         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2006         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2007         * dojump.c (prefer_and_bit_test): (Ditto.).
2008         * expr.c (convert_modes, reduce_to_bit_field_precision,
2009         const_vector_from_tree): (Ditto.).
2010         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2011
2012 2010-04-20  Jan Hubicka  <jh@suse.cz>
2013
2014         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2015         (dump_cgraph_node): Dump new flags.
2016         * cgraph.h (struct cgraph_node): Add flags
2017         reachable_from_other_partition and in_other_partition.
2018         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2019         other partition can not be removed.
2020         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2021         the other partition must be output; silence sanity checking on
2022         leaking functions bodies from other paritition.
2023         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2024         (lto_output_node): Output new flags; do not sanity check that inline
2025         clones are output; drop lto_forced_extern_inline_p code; do not mock
2026         visibility flags at partition boundaries.
2027         (add_node_to): New function.
2028         (output_cgraph): Use it to sort functions so masters appear before
2029         clones.
2030         (input_overwrite_node): Input new flags.
2031         * passes.c (ipa_write_summaries): Do not call
2032         lto_new_extern_inline_states.
2033         * lto-section-out.c (forced_extern_inline,
2034         lto_new_extern_inline_states lto_delete_extern_inline_states,
2035         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2036         * lto-streamer.h (lto_new_extern_inline_states,
2037         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2038         lto_forced_extern_inline_p): Kill.
2039
2040 2010-04-20  Richard Guenther  <rguenther@suse.de>
2041
2042         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2043         from vars that can have pointers.
2044         (process_constraint): Dump useless constraints.
2045
2046 2010-04-20  Richard Guenther  <rguenther@suse.de>
2047
2048         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2049         (dump_sa_points_to_info): Remove asserts.
2050         (init_base_vars): nothing_id isn't an escape point nor does it
2051         have pointers.
2052
2053 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2054
2055         * tree.h (TYPE_REF_IS_RVALUE): Define.
2056         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2057         should_move_die_to_comdat, prune_unused_types_walk): Handle
2058         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2059         (modified_type_die, gen_reference_type_die): Emit
2060         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2061         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2062
2063 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2064
2065         PR target/43635
2066         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2067         calls for -fpic -m31 if they have been sibcall optimized.
2068
2069 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2070
2071         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2072         ar.lc fixed and call-used.
2073
2074         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2075
2076 2010-04-19  Jan Hubicka  <jh@suse.cz>
2077
2078         * opts.c (decode_options): Disable whpr incompatible passes.
2079         * lto/lto.c (lto_1_to_1_map): Skip clones.
2080         (read_cgraph_and_symbols): Do not mark everything as needed.
2081         (do_whole_program_analysis): Do map only after optimizing;
2082         set proper cgraph_state; use passmanager.
2083
2084 2010-04-19  DJ Delorie  <dj@redhat.com>
2085
2086         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2087         POINTER_PLUS_EXPR and fix them.
2088
2089 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2090
2091         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2092         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2093         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2094         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2095         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2096         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2097         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2098         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2099         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2100         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2101         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2102
2103 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2104
2105         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2106         (check_cond_move_block): Likewise.
2107         (cond_move_process_if_block): Likewise.
2108         (noce_find_if_block): Improve formatting.
2109         (find_if_header): Pass 0 to memset and tweak conditions.
2110         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2111
2112 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2113
2114         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2115         for -gdwarf-4.
2116
2117         PR middle-end/43337
2118         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2119         with non-local decl doesn't need chain.
2120
2121 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2122
2123         * ira-color.c (allocno_reload_assign): Avoid accumulating
2124         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2125
2126 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2127
2128         * gimple.h (create_tmp_reg): Declare.
2129         * gimplify.c (create_tmp_reg): New function.
2130         (gimplify_return_expr): Use create_tmp_reg.
2131         (gimplify_omp_atomic): Likewise.
2132         (gimple_regimplify_operands): Likewise.
2133         * tree-dfa.c (make_rename_temp): Likewise.
2134         * tree-predcom.c (predcom_tmp_var): Likewise.
2135         (reassociate_to_the_same_stmt): Likewise.
2136         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2137         (get_replaced_param_substitute): Likewise.
2138         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2139         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2140         * tree-ssa-pre.c (get_representative_for): Likewise.
2141         (create_expression_by_pieces): Likewise.
2142         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2143         (create_tailcall_accumulator): Likewise.
2144
2145 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2146
2147         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2148         new_stmt.
2149         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2150
2151 2010-04-19  Richard Guenther  <rguenther@suse.de>
2152
2153         PR tree-optimization/43796
2154         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2155         from SCEV in the lattice.
2156         (vrp_visit_phi_node): Dump change.
2157
2158 2010-04-19  Richard Guenther  <rguenther@suse.de>
2159
2160         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2161         * configure: Re-generated.
2162
2163 2010-04-19  Richard Guenther  <rguenther@suse.de>
2164
2165         PR tree-optimization/43783
2166         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2167         constant ARRAY_REF operands two and three if possible.
2168
2169 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2170
2171         PR target/43766
2172         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2173
2174 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2175
2176         PR target/43662
2177         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2178
2179 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2180
2181         PR tree-optimization/37027
2182         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2183         and macro to access it.
2184         (vectorizable_reduction): Add argument.
2185         (vect_get_slp_defs): Likewise.
2186         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2187         statements for possible use in SLP.
2188         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2189         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2190         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2191         add new argument.
2192         (vectorizable_reduction): Likewise.
2193         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2194         vect_get_slp_defs.
2195         (vectorizable_type_demotion, vectorizable_type_promotion,
2196         vectorizable_store): Likewise.
2197         (vect_analyze_stmt): Update call to vectorizable_reduction.
2198         (vect_transform_stmt): Likewise.
2199         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2200         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2201         from different interleaving chains in same node.
2202         (vect_slp_rearrange_stmts): New function.
2203         (vect_supported_load_permutation_p): Allow load permutations for
2204         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2205         inside SLP nodes if necessary.
2206         (vect_analyze_slp_instance): Handle reductions.
2207         (vect_analyze_slp): Try to build SLP instances originating from groups
2208         of reductions.
2209         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2210         (vect_get_constant_vectors): Create initial vectors for reductions
2211         according to reduction code. Add new argument.
2212         (vect_get_slp_defs): Add new argument, pass it to
2213         vect_get_constant_vectors.
2214         (vect_schedule_slp_instance): Remove SLP tree root statements.
2215
2216 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2217
2218         * tree.h (ENUM_IS_SCOPED): Define.
2219         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2220         for ENUM_IS_SCOPED enums.
2221
2222 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2223
2224         * fold-const.c (fold_comparison): Use ssizetype.
2225         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2226         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2227         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2228         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2229
2230         * tree.h (initialize_sizetypes): Remove parameter.
2231         (build_common_tree_nodes): Remove second parameter.
2232         * stor-layout.c (initialize_sizetypes): Remove parameter.
2233         Always create an unsigned type.
2234         (set_sizetype): Assert that the passed type is unsigned and simplify.
2235         * tree.c (build_common_tree_nodes): Remove second parameter.
2236         Adjust call to initialize_sizetypes.
2237         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2238         build_common_tree_nodes.
2239
2240 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2241
2242         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2243
2244 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2245
2246         PR tree-optimization/43771
2247         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2248         load permutation doesn't have gaps.
2249
2250 2010-04-18  Jan Hubicka  <jh@suse.cz>
2251
2252         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2253         (sse_prologue_save_insn expander): Use new pattern.
2254         (sse_prologue_save_insn1): New pattern and splitter.
2255         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2256         blocks.
2257         * i386.c (setup_incoming_varargs_64): Do not compute jump
2258         destination here.
2259         (ix86_gimplify_va_arg): Update alignment needed.
2260         (ix86_local_alignment): Do not align all local arrays to 128bit.
2261
2262 2010-04-17  Jan Hubicka  <jh@suse.cz>
2263
2264         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2265
2266 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2267
2268         * arm.md (negdi2): Remove redundant code to force values into a
2269         register.
2270
2271 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2272
2273         * arm/bpabi.S: Add EABI alignment attributes to objects.
2274         * arm/bpabi-v6m.S: Likewise.
2275         * arm/crti.asm: Likewise.
2276         * arm/crtn.asm: Likewise.
2277         * arm/lib1funcs.asm: Likewise.
2278         * arm/libunwind.S: Likewise.
2279
2280 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2281
2282         * arm-protos.h (tune_params): New structure.
2283         * arm.c (current_tune): New variable.
2284         (arm_constant_limit): Delete.
2285         (struct processors): Add pointer to the tune parameters.
2286         (arm_slowmul_tune): New tuning option.
2287         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2288         (all_cores): Adjust to pick up the tuning model.
2289         (arm_constant_limit): New function.
2290         (arm_override_options): Select the appropriate tuning model.  Delete
2291         initialization of arm_const_limit.
2292         (arm_split_constant): Use the new constant-limit model.
2293         (arm_rtx_costs): Pick up the current tuning model.
2294         * arm.md (is_strongarm, is_xscale): Delete.
2295         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2296         for Xscale variant architectures.
2297         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2298
2299 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2300
2301         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2302         can_shift.
2303         (arm_rtx_costs_1): Remove unused variable extra_cost.
2304         (arm_unwind_emit_set): Use variable offset.
2305         (thumb1_output_casesi): Remove unused variable flags.
2306
2307 2010-04-16  Jeff Law  <law@redhat.com>
2308
2309         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2310         needing assignment rather than doing a two-phase assignment.  Remove
2311         unused variable 'm'.
2312
2313 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2314
2315         PR bootstrap/43767
2316         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2317
2318 2010-04-16  Doug Kwan  <dougkwan@google.com>
2319
2320         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2321         (next_operand_entry_id): New static variable.
2322         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2323         (add_to_ops_vec): Assigned unique ID to operand entry.
2324         (struct oecount_s): New field ID.
2325         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2326         (undistribute_ops_list): Assign unique IDs to oecounts.
2327         (init_reassoc): reset next_operand_entry_id.
2328
2329 2010-04-16  Doug Kwan  <dougkwan@google.com>
2330
2331         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2332         missing left parenthesis.
2333
2334 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2335
2336         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2337         *btdi_rex64 using SWI48 mode iterator.
2338         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2339         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2340         *jcc_btdi_mask_rex64.
2341
2342 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2343
2344         * double-int.h (tree_to_double_int): Convert to macro.
2345         * double-int.c (tree_to_double_int): Remove.
2346
2347 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2348
2349         PR debug/43762
2350         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2351         with want_address 2 and in case a single element list might be
2352         possible, call it again with want_address 0.
2353
2354 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2355
2356         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2357         case 'W' print operands for HI mode.
2358         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2359         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2360         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2361         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2362
2363         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2364
2365         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2366         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2367         #xx:3 and #xx:4 mode.
2368
2369         * config/h8300/h8300.md (inverted load with HImode dest): Add
2370         support for H8300SX.
2371
2372         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2373         satisfy 'U' constraint.
2374
2375 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2376
2377         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2378         * configure: Regenerate.
2379         * config.in: Regenerate.
2380         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2381         works.
2382
2383 2010-04-16  Richard Guenther  <rguenther@suse.de>
2384
2385         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2386         (struct tree_decl_common): ... here.
2387         (DECL_PT_UID): Adjust.
2388         (SET_DECL_PT_UID): Likewise.
2389         (DECL_PT_UID_SET_P): Likewise.
2390
2391 2010-04-16  Richard Guenther  <rguenther@suse.de>
2392
2393         PR tree-optimization/43572
2394         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2395         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2396         * tree-flow.h (is_call_clobbered): Remove.
2397         * tree-flow-inline.h (is_call_clobbered): Likewise.
2398         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2399         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2400         (execute_return_slot_opt): Adjust.
2401         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2402         check for call clobbered vars here.
2403         (find_tail_calls): Move tailcall verification to the
2404         proper place.
2405
2406 2010-04-16  Diego Novillo  <dnovillo@google.com>
2407
2408         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2409
2410 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2411
2412         PR target/40603
2413         * config/arm/arm.md (cbranchqi4): New pattern.
2414         * config/arm/predicates.md (const0_operand,
2415         cbranchqi4_comparison_operator): New predicates.
2416
2417 2010-04-16  Richard Guenther  <rguenther@suse.de>
2418
2419         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2420         (dump_gimple_stmt): Likewise.
2421
2422 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2423
2424         * recog.h (struct recog_data): New field is_operator.
2425         (struct insn_operand_data): New field is_operator.
2426         * recog.c (extract_insn): Set recog_data.is_operator.
2427         * genoutput.c (output_operand_data): Emit code to set the
2428         is_operator field.
2429         * reload.c (find_reloads): Use it rather than testing for an
2430         empty constraint string.
2431
2432         PR target/41514
2433         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2434         If the previous insn is a cbranchsi4_insn with the same arguments,
2435         omit the compare instruction.
2436
2437         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2438         register, inputs must be low registers and we need a low register
2439         scratch.  Handle alternative 2 like alternative 3.
2440
2441 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2442
2443         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2444         don't call get_addr on both.  If one expression is a VALUE and
2445         the other a REG, check VALUE's locs if the REG isn't among them.
2446
2447 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2448
2449         * config/sh/sh.h (sh_frame_pointer_required): New function.
2450         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2451         (flag_omit_frame_pointer) Set.
2452         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2453         (rounded_frame_size): Adjust size with outgoing_args_size.
2454         (sh_set_return_address): Must return from stack pointer.
2455         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2456         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2457         (ACCUMULATE_OUTGOING_ARGS): Define.
2458         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2459         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2460
2461 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2462
2463         PR target/43471
2464         * config/sh/sh.c (sh_legitimize_reload_address): Use
2465         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2466         Remove a unneeded check for offset_base.
2467
2468 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2469
2470         * configure: Regenerated.
2471
2472 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2473
2474         * config/s390/s390.c (s390_call_save_register_used): Switch back
2475         to HARD_REGNO_NREGS.
2476
2477 2010-04-15  Richard Guenther  <rguenther@suse.de>
2478
2479         * alias.c (alias_set_subset_of): Handle alias-set zero
2480         child properly.
2481
2482 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2483             Julian Brown  <julian@codesourcery.com>
2484
2485         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2486         alternatives according to use of high and low regs.
2487         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2488         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2489         optimizing for size on Thumb-2.
2490
2491 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2492
2493         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2494
2495 2010-04-15  Richard Guenther  <rguenther@suse.de>
2496
2497         * tree-ssa-structalias.c (struct variable_info): Add
2498         is_fn_info flag.
2499         (new_var_info): Initialize it.
2500         (dump_constraints): Support printing last added constraints.
2501         (debug_constraints): Adjust.
2502         (dump_constraint_graph): Likewise.
2503         (make_heapvar_for): Check for NULL cfun.
2504         (get_function_part_constraint): New function.
2505         (get_fi_for_callee): Likewise.
2506         (find_func_aliases): Properly implement IPA PTA constraints.
2507         (process_ipa_clobber): New function.
2508         (find_func_clobbers): Likewise.
2509         (insert_into_field_list_sorted): Remove.
2510         (create_function_info_for): Properly allocate vars for IPA mode.
2511         Do not use insert_into_field_list_sorted.
2512         (create_variable_info_for): Properly generate constraints for
2513         global vars in IPA mode.
2514         (dump_solution_for_var): Always dump the solution.
2515         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2516         (find_what_var_points_to): Adjust.
2517         (pt_solution_set): Change.
2518         (pt_solution_ior_into): New function.
2519         (pt_solution_empty_p): Export.
2520         (pt_solution_includes_global): Adjust.
2521         (pt_solution_includes_1): Likewise.
2522         (pt_solutions_intersect_1): Likewise.
2523         (dump_sa_points_to_info): Check some invariants.
2524         (solve_constraints): Move constraint dumping ...
2525         (compute_points_to_sets): ... here.
2526         (ipa_pta_execute): ... and here.
2527         (compute_may_aliases): Do not re-compute points-to info
2528         locally if IPA info is available.
2529         (ipa_escaped_pt): New global var.
2530         (ipa_pta_execute): Properly implement IPA PTA.
2531         * tree-into-ssa.c (dump_decl_set): Support dumping
2532         decls not in referenced-vars.
2533         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2534         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2535         (dump_points_to_solution): Likewise.
2536         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2537         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2538         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2539         (copy_decl_to_var): Copy DECL_PT_UID.
2540         (copy_result_decl_to_var): Likewise.
2541         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2542         (copy_node_stat): Copy it.
2543         * tree.h (DECL_PT_UID): New macro.
2544         (SET_DECL_PT_UID): Likewise.
2545         (DECL_PT_UID_SET_P): Likewise.
2546         (struct tree_decl_minimal): Add pt_uid member.
2547         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2548         (pt_solution_empty_p): Declare.
2549         (pt_solution_set): Adjust.
2550         (ipa_escaped_pt): Declare.
2551         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2552         * gimple-pretty-print.c (pp_points_to_solution): New function.
2553         (dump_gimple_call): Dump call clobber/use information.
2554         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2555         * tree-pass.h (TDF_ALIAS): New dump option.
2556         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2557         * doc/invoke.texi (-fipa-pta): Update documentation.
2558
2559 2010-04-15  Richard Guenther  <rguenther@suse.de>
2560
2561         * Makefile.in (OBJS-common): Add gimple-fold.o.
2562         (gimple-fold.o): New rule.
2563         * tree.h (maybe_fold_offset_to_reference,
2564         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2565         prototypes ...
2566         * gimple.h: ... here.
2567         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2568         may_propagate_address_into_dereference): Move prototypes ...
2569         * gimple.h: ... here.
2570         * tree-ssa-ccp.c (get_symbol_constant_value,
2571         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2572         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2573         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2574         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2575         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2576         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2577         gimplify_and_update_call_from_tree): Move ...
2578         * gimple-fold.c: ... here.  New file.
2579         (ccp_fold_builtin): Rename to ...
2580         (gimple_fold_builtin): ... this.
2581         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2582
2583 2010-04-15  Richard Guenther  <rguenther@suse.de>
2584
2585         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2586         fit_double_type, force_fit_type_double, add_double_with_sign,
2587         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2588         lrotate_double, rrotate_double, div_and_round_double): Move ...
2589         * double-int.c: ... here.
2590         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2591         add_double, neg_double, mul_double_with_sign, mul_double,
2592         lshift_double, rshift_double, lrotate_double, rrotate_double,
2593         div_and_round_double): Move prototypes ...
2594         * double-int.h: ... here.
2595
2596 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2597
2598         PR target/43742
2599         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2600         matching constraints to ensure inputs match the output.
2601
2602 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2603
2604         PR target/43742
2605         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2606         in an input-only operand.
2607
2608 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2609
2610         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2611         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2612         (double_int_negative_p): Convert to static inline function.
2613         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2614         (double_int_negative_p): Remove.
2615         * tree.h (lshift_double, rshift_double):
2616         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2617         * fold-const.c (fold_convert_const_int_from_real,
2618         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2619         (lshift_double): Change type of arith argument to bool.
2620         (rshift_double): Change type of arith argument to bool. Correct
2621         comment.
2622         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2623
2624 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2625
2626         PR target/21803
2627         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2628         at the start and end of the then/else blocks, and omit them from the
2629         conversion.
2630         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2631         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2632         (flow_find_head_matching_sequence): New function.
2633         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2634         * basic-block.h (flow_find_cross_jump,
2635         flow_find_head_matching_sequence): Declare functions.
2636
2637 2010-04-14  Jason Merrill  <jason@redhat.com>
2638
2639         PR c++/36625
2640         * c-common.c (attribute_takes_identifier_p): New fn.
2641         * c-common.h: Declare it.
2642
2643 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2644
2645         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2646         splitter condition.
2647         (*udivmod<mode>4): Ditto.
2648
2649 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2650
2651         * config/i386/i386.md (maxmin_int): Rename code attribute from
2652         maxminiprefix and update all users.
2653         (maxmin_float): Ditto from maxminfprefix.
2654         (logic): Ditto from logicprefix.
2655         (absneg_mnemonic): Ditto from absnegprefix.
2656         * config/i386/mmx.md: Update all users of maxminiprefix,
2657         maxminfprefix and logicprefix for rename.
2658         * config/i386/sse.md: Ditto.
2659         * config/i386/sync.md (sync_<code><mode>): Update for
2660         logicprefix rename.
2661
2662 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2663
2664         PR 42966
2665         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2666         warnings converted to errors.
2667
2668 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2669
2670         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2671         used insn_type variable.
2672         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2673         to avoid set-but-not-used warning.
2674
2675 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2676
2677         * df-core.c (df_ref_debug): Change format string placeholder
2678         from 0x%x to %#x.
2679         * dwarf2asm.c (dw2_asm_output_data_raw,
2680         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2681         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2682         * dwarf2out.c (output_cfi, output_cfi_directive,
2683         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2684         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2685         Ditto.
2686         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2687         * print-rtl.c (print_rtx): Ditto.
2688
2689 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2690
2691         PR middle-end/42694
2692         * builtins.c (expand_builtin_pow_root): New function to expand pow
2693         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2694         series of sqrt and cbrt calls under -ffast-math.
2695         (expand_builtin_pow): Call it.
2696
2697 2010-04-14  Michael Matz  <matz@suse.de>
2698
2699         PR tree-optimization/42963
2700         * tree-cfg.c (touched_switch_bbs): New static variable.
2701         (group_case_labels_stmt): New function broken out from ...
2702         (group_case_labels): ... here, use the above.
2703         (start_recording_case_labels): Allocate touched_switch_bbs.
2704         (end_recording_case_labels): Deallocate it, call
2705         group_case_labels_stmt.
2706         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2707
2708 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2709
2710         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2711         from insn template.
2712
2713 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2714
2715         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2716
2717 2010-04-13  Jan Hubicka  <jh@suse.cz>
2718
2719         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2720         of optimized out static functions.
2721         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2722         cost computation.  Also sanity check for overflows.
2723         (update_caller_keys): Update cgraph_edge_badness call; properly
2724         update fibheap and sanity check that it is up to date.
2725         (add_new_edges_to_heap): Update cgraph_edge_badness.
2726         (cgraph_decide_inlining_of_small_function): Likewise;
2727         add sanity checking that badness in heap is up to date;
2728         improve dumping of reason; Update badness of calls to the
2729         offline copy of function currently inlined; dump badness
2730         of functions not inlined because of unit growth limits.
2731
2732 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2733
2734         PR middle-end/32628
2735         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2736         because of sign-extension change when converting to sizetype here...
2737         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2738
2739         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2740         the folding to constants.  Remove redundant final conversion.
2741         (fold_binary) <associate>: Do not associate if the re-association of
2742         constants alone overflows.
2743         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2744         to the end of the list.
2745         (multiple_of_p) <COND_EXPR>: New case.
2746
2747 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2748
2749         * opt-functions.awk (opt_sanitized_name): New.
2750         (opt_enum): New.
2751         * optc-gen.awk: Use it
2752         * opth-gen.awk: Use it.
2753
2754 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2755
2756         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2757         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2758         children.  Call replace_uses_with_default_def_ssa_name to handle
2759         SSA_NAES on lhs.
2760
2761 2010-04-13  Michael Matz  <matz@suse.de>
2762
2763         PR middle-end/43730
2764         * builtins.c (expand_builtin_interclass_mathfn): Also create
2765         a register if the predicate doesn't match.
2766
2767 2010-04-13  Diego Novillo  <dnovillo@google.com>
2768
2769         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2770         * c-pch.c: Include timevar.h.
2771         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2772         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2773         * ggc-common.c: Include timevar.h.
2774         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2775         * timevar.def (TV_PCH_SAVE): Define.
2776         (TV_PCH_CPP_SAVE): Define.
2777         (TV_PCH_PTR_REALLOC): Define.
2778         (TV_PCH_PTR_SORT): Define.
2779         (TV_PCH_RESTORE): Define.
2780         (TV_PCH_CPP_RESTORE): Define.
2781
2782 2010-04-13  Michael Matz  <matz@suse.de>
2783
2784         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2785         into MINUS_EXPRs.
2786         (can_reassociate_p): New function.
2787         (break_up_subtract_bb, reassociate_bb): Use it.
2788
2789 2010-04-13  Richard Guenther  <rguenther@suse.de>
2790
2791         PR bootstrap/43737
2792         * builtins.c (c_readstr): Fix assert.
2793
2794 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2795
2796         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2797         when generating cltd insn.
2798
2799         (*ashl<mode>3_1): Remove special handling for register operand 2.
2800         (*ashlsi3_1_zext): Ditto.
2801         (*ashlhi3_1): Ditto.
2802         (*ashlhi3_1_lea): Ditto.
2803         (*ashlqi3_1): Ditto.
2804         (*ashlqi3_1_lea): Ditto.
2805         (*<shiftrt_insn><mode>3_1): Ditto.
2806         (*<shiftrt_insn>si3_1_zext): Ditto.
2807         (*<shiftrt_insn>qi3_1_slp): Ditto.
2808         (*<rotate_insn><mode>3_1): Ditto.
2809         (*<rotate_insn>si3_1_zext): Ditto.
2810         (*<rotate_insn>qi3_1_slp): Ditto.
2811
2812 2010-04-13  Richard Guenther  <rguenther@suse.de>
2813
2814         * tree-ssa-structalias.c (callused_id): Remove.
2815         (call_stmt_vars): New.
2816         (get_call_vi): Likewise.
2817         (lookup_call_use_vi): Likewise.
2818         (lookup_call_clobber_vi): Likewise.
2819         (get_call_use_vi): Likewise.
2820         (get_call_clobber_vi): Likewise.
2821         (make_transitive_closure_constraints): Likewise.
2822         (handle_const_call): Adjust to do per-call call-used handling.
2823         (handle_pure_call): Likewise.
2824         (find_what_var_points_to): Remove general callused handling.
2825         (init_base_vars): Likewise.
2826         (init_alias_vars): Initialize call_stmt_vars.
2827         (compute_points_to_sets): Process call-used and call-clobbered
2828         vars for call statements.
2829         (delete_points_to_sets): Free call_stmt_vars.
2830
2831 2010-04-13  Richard Guenther  <rguenther@suse.de>
2832
2833         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2834         Only add RW dependence for dependence distance zero.
2835         Adjust maximal vectorization factor according to dependences.
2836         Move alignment handling ...
2837         (vect_find_same_alignment_drs): ... here.  New function.
2838         (vect_analyze_data_ref_dependences): Adjust.
2839         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2840         (vect_analyze_data_refs): Adjust minimal vectorization factor
2841         according to data references.
2842         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2843         dependences before determining the vectorization factor.
2844         Analyze alignment after determining the vectorization factor.
2845         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2846         dependences before alignment.
2847         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2848         Adjust prototype.
2849         (vect_analyze_data_refs): Likewise.
2850         (MAX_VECTORIZATION_FACTOR): New define.
2851
2852 2010-04-13  Duncan Sands  <baldrick@free.fr>
2853
2854         * except.h (lang_eh_type_covers): Remove.
2855         * except.c (lang_eh_type_covers): Likewise.
2856
2857 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2858             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2859
2860         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2861         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2862         UNITS_PER_LONG where it is ABI relevant.
2863         (s390_return_addr_rtx): Likewise.
2864         (s390_back_chain_rtx): Likewise.
2865         (s390_frame_area): Likewise.
2866         (s390_frame_info): Likewise.
2867         (s390_initial_elimination_offset): Likewise.
2868         (save_gprs): Likewise.
2869         (s390_emit_prologue): Likewise.
2870         (s390_emit_epilogue): Likewise.
2871         (s390_function_arg_advance): Likewise.
2872         (s390_function_arg): Likewise.
2873         (s390_va_start): Likewise.
2874         (s390_gimplify_va_arg): Likewise.
2875         (s390_function_profiler): Likewise.
2876         (s390_optimize_prologue): Likewise.
2877         (s390_rtx_costs): Likewise.
2878         (s390_secondary_reload): Likewise.
2879         (s390_promote_function_mode): Likewise.
2880         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2881         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2882         registers available.
2883         (s390_unwind_word_mode): New function.
2884         (s390_function_value): Split 64 bit values into register pair if
2885         used as return value.
2886         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2887         function call parameters.  Handle parallels.
2888         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2889         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2890         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2891         (s390_expand_setmem): Remove unused variable src_addr.
2892         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2893         deal with 64 bit registers.
2894         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2895         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2896         (UNITS_PER_LONG): New macro.
2897         * libjava/include/s390-signal.h: Define extended ucontext
2898         structure containing the upper halfs of the 64 bit registers.
2899
2900 2010-04-13  Simon Baldwin  <simonb@google.com>
2901
2902         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2903
2904 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2905
2906         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2907         rvalue on the RHS if the LHS is of a non-renamable type.
2908         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2909
2910 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2911
2912         * gcc.c (cc1_options): Handle -iplugindir before processing
2913         the cc1 spec. Only add -iplugindir once.
2914         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2915         found.
2916         * common.opt (iplugindir): Remove `Separate' property, initialize.
2917         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2918         option.
2919         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2920         (distclean): Remove plugin dir.
2921         * doc/invoke.texi: Document -iplugindir.
2922
2923 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2924
2925         * doc/plugins.texi (Loading Plugins): Document short
2926         -fplugin=foo option.
2927         (Plugin API): Mention default_plugin_dir_name function.
2928
2929         * gcc.c (find_file_spec_function): Add new declaration.
2930         (static_spec_func): Use it for "find-file".
2931         (find_file_spec_function): Add new function.
2932         (cc1_options): Add -iplugindir option if -fplugin* options found.
2933
2934         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2935
2936         * plugin.c (add_new_plugin): Updated comment, and handle short
2937         plugin name.
2938         (default_plugin_dir_name): Added new function.
2939
2940         * common.opt (iplugindir): New option to set the plugin directory.
2941
2942 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2943
2944         * config/i386/i386.md (any_rotate): New code iterator.
2945         (rotate_insn): New code attribute.
2946         (rotate): Ditto.
2947         (SWIM124): New mode iterator.
2948         (<rotate_insn>ti3): New expander.
2949         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2950         any_rotate code iterator.
2951         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2952         using any_rotate code iterator and SWIM124 mode iterator.
2953         (ix86_rotlti3): New insn_and_split pattern.
2954         (ix86_rotrti3): Ditto.
2955         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2956         ix86_rotl{di,ti}3 patterns.
2957         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2958         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2959         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2960         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2961         code iterator and SWI mode iterator.
2962         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2963         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2964         code iterator.
2965         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2966         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2967         (bswap rotatert splitter): Add splitter.
2968         (bswap splitter): Macroize splitter using any_rotate code iterator.
2969         Add insn predicate to split only for TARGET_USE_XCHGB or when
2970         optimizing function for size.
2971
2972 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2973
2974         * config/pa/pa.c (emit_move_sequence): Remove use of
2975         deleted variable flag_argument_noalias.
2976
2977 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2978
2979         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2980         configurations.
2981         Add to unsupported targets list.
2982         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2983         sparc*-sun-solaris2.[567]* from target lists.
2984         * configure: Regenerate.
2985         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2986         removal.
2987         Remove Solaris 7 patch references.
2988         (Specific, sparc-sun-solaris2.7): Removed.
2989         (sparc-sun-solaris2*): Update Solaris 7 example.
2990         (sparc64-*-solaris2*): Likewise.
2991
2992 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2993
2994         * config.build (alpha*-dec-osf4*): Remove.
2995         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2996         of obsolete configurations.
2997         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2998         support.
2999         * config/alpha/t-osf4: Renamed to ...
3000         * config/alpha/t-osf5: ... this.
3001         * config/alpha/osf.h: Renamed to ...
3002         * config/alpha/osf5.h: ... this.
3003         Merged old osf5.h contents.
3004         Update comments.
3005         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3006         (EXTRA_SPECS): Removed.
3007         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3008         reflect removal of Tru64 UNIX V4.0/V5.0 support.
3009         Document that.
3010
3011 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3012
3013         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3014
3015 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3016
3017         PR/43702
3018         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3019         __thiscall convention.
3020
3021 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3022
3023         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3024         orig_base.
3025         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3026
3027 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3028
3029         * function.c (assign_parms_initialize_all): Add unused attribute
3030         to fntype.
3031
3032 2010-04-12  Richard Guenther  <rguenther@suse.de>
3033
3034         * gsstruct.def (GSS_CALL): New.
3035         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3036         * gimple.h: Include tree-ssa-alias.h.
3037         (struct gimple_statement_call): New.
3038         (union gimple_statement_struct_d): Add gimple_call member.
3039         (gimple_call_reset_alias_info): Declare.
3040         (gimple_call_use_set): New function.
3041         (gimple_call_clobber_set): Likewise.
3042         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3043         * gimple.c (gimple_call_reset_alias_info): New function.
3044         (gimple_build_call_1): Call it.
3045         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3046         * tree-inline.c (remap_gimple_stmt): Likewise.
3047         (expand_call_inline): Remove callused handling.
3048         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3049         * tree-dfa.c (dump_variable): Likewise.
3050         * tree-parloops.c (parallelize_loops): Likewise.
3051         * tree-ssa.c (init_tree_ssa): Likewise.
3052         (delete_tree_ssa): Likewise.
3053         * tree-flow-inline.h (is_call_used): Remove.
3054         * tree-flow.h (struct gimple_df): Remove callused member.
3055         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3056         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3057         (ref_maybe_used_by_call_p_1): Simplify.
3058         (call_may_clobber_ref_p_1): Likewise.
3059         * tree-ssa-structalias.c (compute_points_to_sets): Set
3060         the call stmt used and clobbered sets.
3061         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3062         (find_tail_calls): Verify the tail call.
3063
3064 2010-04-12  Richard Guenther  <rguenther@suse.de>
3065
3066         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3067         single-iteration always-inline inlining.
3068         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3069         (cgraph_decide_inlining): Do not handle always-inline specially.
3070         (try_inline): Remove always-inline cycle detection special case.
3071         Do not recurse on always-inlines.
3072         (cgraph_early_inlining): Do not iterate if not optimizing.
3073         (cgraph_gate_early_inlining): remove.
3074         (pass_early_inline): Run unconditionally.
3075         (gate_cgraph_decide_inlining): New function.
3076         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
3077         not inlining or optimizing.
3078         (cgraph_decide_inlining_of_small_functions): Also consider
3079         always-inline functions.
3080         (cgraph_default_inline_p): Return true for nodes which should
3081         disregard inline limits.
3082         (estimate_function_body_sizes): Assume zero size and time for
3083         nodes which are marked as disregarding inline limits.
3084         (cgraph_decide_recursive_inlining): Do not perform recursive
3085         inlining on always-inline nodes.
3086
3087 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
3088
3089         PR bootstrap/43699
3090         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3091         for exprs satisfying handled_component_p.
3092
3093 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
3094
3095         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3096         non-constant aggregate elements.
3097
3098         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3099         is a real initialization.
3100
3101 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
3102
3103         PR c/36774
3104         * c-decl.c (start_function): Move forward check for nested function.
3105
3106 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3107
3108         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3109         * config/sh/sh.c: Include reload.h.
3110         (sh_legitimize_reload_address): New.
3111         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3112         sh_legitimize_reload_address.
3113
3114 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3115
3116         * config/sh/sh.md (*movqi_pop): New insn pattern.
3117         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3118
3119 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3120
3121         * config/i386/i386.md (any_shiftrt): New code iterator.
3122         (shiftrt_insn): New code attribute.
3123         (shiftrt): Ditto.
3124         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3125         using any_shiftrt code iterator.
3126         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3127         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3128         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3129         pattern from corresponding peephole2 patterns.
3130         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3131         using any_shiftrt code iterator.
3132         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3133         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3134         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3135         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3136         *{ashr,lshr}<mode>3_cmp_zext.
3137         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3138
3139 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3140
3141         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3142         scratch register.
3143         (*lshr<mode>3_cconly): Ditto.
3144
3145 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3146
3147         * config/i386/i386.md (lshr<mode>3): Macroize expander from
3148         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3149         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3150         pattern from *lshr{di,ti}3_1 and corresponding splitters using
3151         DWI mode iterator.
3152         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3153         from corresponding peephole2 patterns.
3154         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3155         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3156         and *lshrdi3_1_rex64 using SWI mode iterator.
3157         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3158         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3159         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3160         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3161         and *lshrdi3_cmp_rex64 using SWI mode iterator.
3162         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3163         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3164         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3165         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3166         SWI mode iterator.
3167
3168 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
3169
3170         * config/i386/i386.md (ashr<mode>3): Macroize expander from
3171         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3172         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3173         pattern from *ashr{di,ti}3_1 and corresponding splitters using
3174         DWI mode iterator.
3175         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3176         from corresponding peephole2 patterns.
3177         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3178         (ashrsi3_cvt): Rename from ashrsi3_31.
3179         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3180         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3181         and x86_64_shift_adj_3 using SWI48 mode iterator.
3182         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3183         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3184         and *ashrdi3_1_rex64 using SWI mode iterator.
3185         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3186         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3187         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3188         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3189         and *ashrdi3_cmp_rex64 using SWI mode iterator.
3190         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3191         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3192         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3193         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3194         SWI mode iterator.
3195         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3196         * config/i386/i386.c (ix86_split_ashr): Update for renamed
3197         x86_shift<mode>_adj_3 expanders.
3198
3199 2010-04-10  Wei Guozhi  <carrot@google.com>
3200
3201         PR target/42601
3202         * config/arm/arm.c (arm_pic_static_addr): New function.
3203         (legitimize_pic_address): Call arm_pic_static_addr when it detects
3204         a static symbol.
3205         (arm_output_addr_const_extra): Output expression for new pattern.
3206         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3207
3208 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
3209
3210         * ira-costs.c (record_reg_classes): Ignore alternatives that are
3211         not enabled.
3212
3213         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3214         * web.c: Include "insn-config.h" and "recog.h".
3215         (union_match_dups): New function.
3216         (web_main): Call it.
3217         (union_defs): Don't try to recognize match_dups.
3218
3219         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3220         if doing so would replace the entire pattern.
3221
3222 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3223
3224         PR target/43707
3225         PR target/43709
3226         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3227         and splitter pattern.  Change splitter operand 1 predicate to
3228         nonmemory_operand.
3229
3230 2010-04-09  Martin Jambor  <mjambor@suse.cz>
3231
3232         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3233         lattices are addresses of CONST_DECLs with the same initial value.
3234         (ipcp_print_all_lattices): Print values of CONST_DECLs.
3235         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3236
3237 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
3238             Bernd Schmidt  <bernds@codesourcery.com>
3239
3240         * loop-invariant.c (replace_uses): New static function.
3241         (move_invariant_reg): Use it to ensure we can replace the uses.
3242
3243 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
3244
3245         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3246         function template.
3247         (picochip_override_options): Enable section anchors only above -O1.
3248         (picochip_reorg): Fixed a couple of build warnings.
3249
3250 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3251
3252         * configure.ac (plugin -rdynamic test): Log result.
3253         * configure: Regenerate.
3254         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3255         (RDYNAMIC_SPEC): Define.
3256         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3257
3258 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3259
3260         * configure.ac: Determine Sun ld version numbers.
3261         (comdat_group): Restrict GNU ld version checks to gld.
3262         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3263         (enable_comdat): Support --enable-comdat.
3264         * configure: Regenerate.
3265         * doc/install.texi (Configuration): Document --enable-comdat.
3266
3267 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3268
3269         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
3270         * config/sol2-gld.h: ... here.
3271         * config.gcc (sparc*-*-solaris2*): Reflect this.
3272         (i[34567]86-*-solaris2*): Use it.
3273
3274 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
3275
3276         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3277         setup_clocks_p.
3278         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3279
3280 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3281
3282         PR 42965
3283         * diagnostic.c (diagnostic_initialize): Initialize
3284         some_warnings_are_errors.
3285         (diagnostic_finish): New.
3286         (diagnostic_action_after_output): Call it before exiting.
3287         (diagnostic_report_diagnostic): Do not print message here. Set
3288         some_warnings_are_errors.
3289         * diagnostic.h (diagnostic_context): Delete
3290         issue_warnings_are_errors_message. Add some_warnings_are_errors.
3291         (diagnostic_finish): Declare.
3292         * toplev.c (toplev_main): Call it before exit.
3293
3294 2010-04-09  Jason Merrill  <jason@redhat.com>
3295
3296         PR c++/42623
3297         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3298         for incomplete type.
3299
3300         PR c++/41788
3301         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3302         based on a warning flag.
3303
3304 2010-04-09  Richard Guenther  <rguenther@suse.de>
3305
3306         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3307
3308 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
3309
3310         PR bootstrap/43684
3311         * varasm.c (default_assemble_visibility): Wrap vars that are
3312         set, but unused, by targets without GAS.
3313         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3314         Remove set, but unused, vars.
3315         (rs6000_legitimize_tls_address): Likewise.
3316         (altivec_expand_dst_builtin): Likewise.
3317         * config/darwin.c (machopic_classify_symbol): Likewise.
3318         (machopic_indirection_name): Likewise.
3319
3320 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3321
3322         * config/i386/i386.md (DWI): New mode iterator.
3323         (S): New mode attribute.
3324         (shift_operand): Ditto.
3325         (shift_immediate_operand): Ditto.
3326         (ashl_input_operand): Ditto.
3327         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3328         using SDWIM mode iterator.
3329         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3330         pattern from *ashl{di,ti}3_1 and corresponding splitters using
3331         DWI mode iterator.
3332         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3333         from corresponding peephole2 patterns.
3334         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3335         and x86_64_shift_adj_1 using SWI48 mode iterator.
3336         (x86_shift<mode>_adj_2): Ditto.
3337         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3338         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3339         using SWI48 mode iterator.
3340         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3341         *ashldi3_cmp_rex64 using SWI mode iterator.
3342         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3343         *ashldi3_cconly_rex64 using SWI mode iterator.
3344         * config/i386/i386.c (ix86_split_ashl): Update for renamed
3345         x86_shift<mode>_adj_{1,2}.
3346         (ix86_split_ashr): Ditto.
3347         (ix86_split_lshr): Ditto.
3348
3349 2010-04-09  Richard Guenther  <rguenther@suse.de>
3350
3351         * target.h (builtin_conversion): Pass in input and output types.
3352         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3353         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3354         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3355         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3356
3357         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3358         Handle AVX modes.
3359         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3360
3361 2010-04-09  Richard Guenther  <rguenther@suse.de>
3362
3363         PR target/43152
3364         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3365
3366 2010-04-09  Richard Guenther  <rguenther@suse.de>
3367
3368         * tree-vectorizer.h (struct _stmt_vec_info): Document
3369         that vectype is the type of the LHS.
3370         (supportable_widening_operation, supportable_narrowing_operation):
3371         Get both input and output vector types as arguments.
3372         (vect_is_simple_use_1): Declare.
3373         (get_same_sized_vectype): Likewise.
3374         * tree-vect-loop.c (vect_determine_vectorization_factor):
3375         Set STMT_VINFO_VECTYPE to the vector type of the def.
3376         (vectorizable_reduction): Adjust.
3377         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3378         Adjust.  Specify the output vector type.
3379         (vect_pattern_recog_1): Adjust.
3380         * tree-vect-stmts.c (get_same_sized_vectype): New function.
3381         (vectorizable_call): Adjust.
3382         (vectorizable_conversion): Likewise.
3383         (vectorizable_operation): Likewise.
3384         (vectorizable_type_demotion): Likewise.
3385         (vectorizable_type_promotion): Likewise.
3386         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3387         the def.
3388         (vect_is_simple_use_1): New function.
3389         (supportable_widening_operation): Get both input and output
3390         vector types.
3391         (supportable_narrowing_operation): Likewise.
3392         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3393
3394 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
3395
3396         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3397         __thiscall and _thiscall as predefined macros.
3398         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3399         thiscall attribute handling.
3400         (ix86_comp_type_attributes): Likewise.
3401         (ix86_function_regparm): Likewise.
3402         (ix86_return_pops_args): Likewise.
3403         (init_cumulative_args): Likewise.
3404         (find_drap_reg): Likewise.
3405         (ix86_static_chain): Likewise.
3406         (x86_this_parameter): Likewise.
3407         (x86_output_mi_thunk): Likewise.
3408         (ix86_attribute_table): Add description for thiscall attribute.
3409         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3410         * doc/extend.texi: Add documentation for thiscall.
3411
3412 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3413
3414         PR c++/28584
3415         * c.opt (Wint-to-pointer-cast): Available in C++.
3416         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3417
3418 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
3419
3420         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3421         * calls.c (expand_call): Pass the function type to aggregate_value_p.
3422         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3423         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
3424         function type instead.  Reorder and simplify checks.
3425
3426         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3427