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1 2010-05-09  Richard Guenther  <rguenther@suse.de>
2
3         * gcc.c (store_arg): Handle temporary file deletion for
4         joined arguments.
5
6 2010-05-09  Richard Guenther  <rguenther@suse.de>
7
8         PR middle-end/44043
9         * ipa-inline.c (estimate_function_body_sizes): Return after
10         disregarding inline limits.
11
12 2010-05-09  Richard Guenther  <rguenther@suse.de>
13
14         * gcc.c (store_arg): Revert last change.
15
16 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
17
18         PR middle-end/28685
19         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
20         (optimize_ops_list): Call it.
21
22 2010-05-08  Richard Guenther  <rguenther@suse.de>
23
24         PR tree-optimization/44030
25         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
26         NECESSARY flag if we propagate from a inserted expression.
27
28 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
29
30         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
31         domain types as equal if they are both PLACEHOLDER_EXPRs.
32
33 2010-05-08  Richard Guenther  <rguenther@suse.de>
34
35         * lto-wrapper.c (run_gcc): Remove linker output from
36         command line for LTRANS invocation.
37
38 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
39
40         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
41         lto-macho as lto_binary_reader.
42         * target.h (struct gcc_target): New hooks lto_start and lto_end.
43         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
44         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
45         in lto_start and lto_end calls.
46         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
47         magic numbers.
48         (scan_prog_file): Update is_elf_or_coff call.
49         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
50
51         * collect2.c (main): Fix enum comparison.
52
53         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
54         Add prototypes.
55         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
56         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
57         and TARGET_ASM_LTO_END.
58         * darwin.c: Include obstack.h and lto-streamer.h.
59         (lto_section_names_offset, lto_section_names_obstack,
60         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
61         global variables.
62         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
63         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
64         to a temporary file.
65         (darwin_asm_lto_end): New function.  Restore asm_out_file.
66         (darwin_asm_named_section): For LTO sections, replace the name with
67         the offset of the section name in a string table, and build this
68         table.
69         (darwin_file_start): Initialize global vars for LTO support.
70         (darwin_file_end): If output to asm_out_file was redirected, append it
71         to the proper asm_out_file here.  Add the section names section.
72
73 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
74
75         * c-pragma.c (pending_weak_d, pending_weak): New.
76         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
77         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
78         handle_pragma_weak): Update the uses of pending_weaks.
79
80 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
81
82         PR documentation/44016
83         * doc/standards.texi (Standards): Link to unversioned
84         cxx0x_status.html page.
85
86 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
87
88         PR target/43708
89         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
90         in addition to TREE_USED, to avoid "set but unused" warnings.
91
92 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
93
94         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
95         (is_loop_prefetching_profitable): Do not insert prefetches
96         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
97         times the prefetch ahead distance.
98
99 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
100
101         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
102         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
103         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
104         the unroll_factor.
105
106 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
107
108         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
109         a diagnostic info when the insn-to-mem ratio is too small.
110
111 2010-05-07  Richard Guenther <rguenther@suse.de>
112
113         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
114         the linker plugin.
115         (store_arg): Queue temp_filename for deletion instead of
116         the whole argument.
117
118 2010-05-07  Richard Guenther  <rguenther@suse.de>
119
120         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
121         (run_gcc): Handle LTRANS phase invocation.
122         * collect2.c (maybe_run_lto_and_relink): Do not set
123         WPA_SAVE_LTRANS.
124
125 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
126
127         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
128         this is also meaningful on PARM_DECLs and RESULT_DECLs.
129
130 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
131
132         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
133
134 2010-05-07  Richard Guenther  <rguenther@suse.de>
135
136         PR tree-optimization/44020
137         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
138         code when PRE is not yet initialized.
139
140 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
141
142         * config/mips/dbxmdebug.h: Remove.
143         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
144
145 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
146
147         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
148         with null pointer and also warn about ordered comparison of zero with
149         pointer if -Wextra.
150
151 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
152
153         * graphite-blocking.c
154         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
155         * graphite-clast-to-gimple.c
156         (clast_to_gcc_expression): Same.
157         (precision_for_value): Same.
158         (precision_for_interval): Same.
159         (gcc_type_for_interval): Same.
160         (graphite_create_new_guard): Same.
161         (compute_bounds_for_level): Same.
162         (graphite_create_new_loop_guard): Same.
163         * graphite-interchange.c
164         (build_linearized_memory_access): Same.
165         (pdr_stride_in_loop): Same.
166         (memory_strides_in_loop_1): Same.
167         (memory_strides_in_loop): Same.
168         (extend_scattering): Same.
169         (psct_scattering_dim_for_loop_depth): Same.
170         (pbb_number_of_iterations): Same.
171         * graphite-poly.h
172         (debug_iteration_domains): Same.
173         * graphite-ppl.c
174         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
175         (ppl_set_inhomogeneous_gmp): Same.
176         (ppl_strip_loop): Same.
177         (ppl_lexico_compare_linear_expressions): Same.
178         (ppl_read_polyhedron_matrix): Same.
179         (ppl_max_for_le_pointset): Same.
180         * graphite-ppl.h
181         (ppl_read_polyhedron_matrix): Same.
182         (tree_int_to_gmp): Same.
183         (gmp_cst_to_tree): Same.
184         (ppl_set_inhomogeneous): Same.
185         (ppl_set_inhomogeneous_tree): Same.
186         (ppl_set_coef): Same.
187         (ppl_set_coef_tree): Same.
188         * graphite-sese-to-poly.c
189         (build_pbb_scattering_polyhedrons): Same.
190         (build_scop_scattering): Same.
191         (scan_tree_for_params_right_scev): Same.
192         (scan_tree_for_params): Same.
193         (find_params_in_bb): Same.
194         (find_scop_parameters): Same.
195         (add_upper_bounds_from_estimated_nit): Same.
196         (build_loop_iteration_domains): Same.
197         (add_condition_to_domain): Same.
198         (pdr_add_memory_accesses): Same.
199
200 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
201
202         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
203         CLooG's value_* macros to their respective mpz_* counterparts.
204         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
205         (graphite_create_new_loop_guard): Same.
206         * graphite-interchange.c (build_linearized_memory_access): Same.
207         (pdr_stride_in_loop): Same.
208         (memory_strides_in_loop_1): Same.
209         (1st_interchange_profitable_p): Same.
210         * graphite-poly.c (extend_scattering): Same.
211         (psct_scattering_dim_for_loop_depth): Same.
212         (pbb_number_of_iterations): Same.
213         (pbb_number_of_iterations_at_time): Same.
214         * graphite-poly.h (new_1st_loop): Same.
215         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
216         (oppose_constraint): Same.
217         (insert_constraint_into_matrix): Same.
218         (ppl_set_inhomogeneous_gmp): Same.
219         (ppl_set_coef_gmp): Same.
220         (ppl_strip_loop): Same.
221         (ppl_lexico_compare_linear_expressions): Same.
222         (ppl_max_for_le_pointset): Same.
223         (ppl_min_for_le_pointset): Same.
224         (ppl_build_realtion): Same.
225         * graphite-ppl.h (gmp_cst_to_tree): Same.
226         (ppl_set_inhomogeneous): Same.
227         (ppl_set_inhomogeneous_tree): Same.
228         (ppl_set_coef): Same.
229         (ppl_set_coef_tree): Same.
230         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
231         (build_scop_scattering): Same.
232         (add_value_to_dim): Same.
233         (scan_tree_for_params_right_scev): Same.
234         (scan_tree_for_params_int): Same.
235         (scan_tree_for_params): Same.
236         (find_params_in_bb): Same.
237         (find_scop_parameters): Same.
238         (add_upper_bounds_from_estimated_nit): Same.
239         (build_loop_iteration_domains): Same.
240         (create_linear_expr_from_tree): Same.
241         (add_condition_to_domain): Same.
242         (pdr_add_memory_accesses): Same.
243
244 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
245             Jason Merrill  <jason@redhat.com>
246
247         * c-common.c (c_common_reswords): Add nullptr.
248         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
249         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
250         (gen_type_die_with_usage): Likewise.
251         * dbxout.c (dbxout_type): Likewise.
252         * sdbout.c (plain_type_1): Likewise.
253
254 2010-05-06  Jason Merrill  <jason@redhat.com>
255
256         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
257         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
258         ret appropriately.
259         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
260
261         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
262         stripping WITH_SIZE_EXPR.
263         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
264         change.
265
266 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
267
268         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
269         list of obsolete configurations.
270         Disabled check for obsolete configurations.
271         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
272         Removed support for previous versions.
273         * config/mips/iris.h: Removed.
274         * config/mips/iris5.h: Removed.
275         * config/mips/iris6.h: Merged old iris.h contents.
276         (TARGET_IRIX): Removed.
277         (DRIVER_SELF_SPECS): Removed mabi=32.
278         (IDENT_ASM_OP): Removed undef.
279         (STARTFILE_SPEC): Removed mabi=32.
280         (ENDFILE_SPEC): Likewise.
281         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
282         (MACHINE_TYPE): Update for IRIX 6.5.
283         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
284         TARGET_IRIX by TARGET_IRIX6.
285         (mips_file_start): Likewise.
286         (mips_output_external): Remove IRIX 5/6 O32 support.
287         (mips_output_function_prologue): Likewise.
288         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
289         TARGET_IRIX6.
290         (TARGET_CPU_CPP_BUILTINS): Likewise.
291         (TARGET_IRIX): Removed.
292         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
293         (MULTILIB_DIRNAMES): Removed 32.
294         (MULTILIB_OSDIRNAMES): Removed ../lib.
295         * doc/install.texi (Prerequisites): Don't reference IRIX before
296         6.5.
297         (Specific, mips-sgi-irix5): Document removal.
298         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI
299         removal.
300         Remove references to older IRIX 6 releases and the O32 ABI.
301
302 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
303
304         * gcc.dg/Wunused-var-8.c: Move to...
305         * c-c++-common/Wunused-var-6.c: ... here.  New test.
306
307         PR bootstrap/43994
308         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
309         instead of DF_REF_REAL_REG.
310
311 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
312
313         PR target/43888
314         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
315         handling to still return true for x64 targets.
316
317 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
318
319         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
320
321 2010-05-06  Jan Hubicka  <jh@suse.cz>
322
323         PR tree-optimization/43791
324         * ipa-inline.c (update_caller_keys): Remove bogus
325         disregard_inline_limits check.
326
327 2010-05-06  Michael Matz  <matz@suse.de>
328
329         PR tree-optimization/43984
330         * tree-ssa-pre.c (inserted_phi_names): Remove.
331         (inserted_exprs): Change to bitmap.
332         (create_expression_by_pieces): Set bits, don't append to vector.
333         (insert_into_preds_of_block): Don't handle inserted_phi_names.
334         (eliminate): Don't look at inserted_phi_names, remove deleted
335         insns from inserted_exprs.
336         (remove_dead_inserted_code): Adjust to use bitmaps instead of
337         vectors.
338         (init_pre, fini_pre): Allocate and free bitmaps.
339         (execute_pre): Insert insns on edges before elimination.
340
341 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
342
343         * tree.c (initializer_zerop): Handle STRING_CST.
344
345 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
346
347         PR 40989
348         * doc/invoke.texi (Wimplicit): Document as C only.
349         * opts.c (common_handle_option): Add argument kind.
350         (handle_option): Rename as read_cmdline_option. Factor out code to...
351         (handle_option): ... here. New.
352         (handle_options): Rename as read_cmdline_options.
353         (decode_options): Update call.
354         (set_option): Use option index instead of option pointer. Classify
355         diagnostics correctly.
356         (enable_warning_as_error): Call handle_option.
357         * opts.h (set_option): Update declaration.
358         (handle_option): Declare.
359         * langhooks.h (struct lang_hooks): Add argument kind to
360         handle_option.
361         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
362         * c-opts.c (set_Wimplicit): Delete.
363         (c_family_lang_mask): New static constant.
364         (c_common_handle_option): Add argument kind. Use handle_option
365         instead of set_Wimplicit.
366         (c_common_post_options): warn_implicit and warn_implicit_int
367         are disabled by default.
368         * c-common.c (warn_implicit): Do not define here.
369         * c-common.h (warn_implicit): Do not declare here.
370         (c_common_handle_option): Update declaration.
371         * lto-opts.c (lto_reissue_options): Update call to set_option.
372
373 2010-05-06  Richard Guenther  <rguenther@suse.de>
374
375         PR tree-optimization/43571
376         * domwalk.c (walk_dominator_tree): Walk the dominator
377         sons in more optimal order.
378
379 2010-05-06  Richard Guenther  <rguenther@suse.de>
380
381         PR tree-optimization/43934
382         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
383         (stmt_cost): Likewise.
384         (extract_true_false_args_from_phi): New helper.
385         (determine_max_movement): For PHI nodes verify we can hoist them
386         and compute their cost.
387         (determine_invariantness_stmt): Handle PHI nodes.
388         (move_computations_stmt): Likewise.  Hoist PHI nodes in
389         if-converted form using COND_EXPRs.
390         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI
391         nodes.
392         (tree_ssa_lim): Likewise.
393         * tree-flow.h (tree_ssa_lim): Adjust prototype.
394         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
395
396 2010-05-06  Richard Guenther  <rguenther@suse.de>
397
398         PR tree-optimization/43987
399         * tree-ssa-structalias.c (could_have_pointers): For possibly
400         address-taken variables force pointers to be recorded.
401         (create_variable_info_for_1): Likewise.
402         (push_fields_onto_fieldstack): Pass in wheter all fields
403         must have pointers.
404         (find_func_aliases): Query types instead of vars whether
405         they contain pointers where appropriate.
406
407 2010-05-06  Jan Hubicka  <jh@suse.cz>
408
409         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
410         (record_reference, mark_address, mark_load, mark_store): Record
411         references.
412         (record_references_in_initializer): Update call of record_references.
413         (rebuild_cgraph_edges): Remove all references before rebuiding.
414         * cgraph.c (cgraph_create_node): Clear ref list.
415         (cgraph_remove_node): Remove references.
416         (dump_cgraph_node): Dump references.
417         (cgraph_clone_node): Clone references.
418         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
419         (struct cgraph_node, varpool_node): Add ref_lst.
420         * ipa-ref.c: New file.
421         * ipa-ref.h: New file.
422         * ipa-ref-inline.h: New file.
423         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
424         (referenced_from_other_partition_p): New function.
425         (lto_output_varpool_node): Take set arugment; call
426         referenced_from_other_partition.
427         (lto_output_ref): New.
428         (add_references): New.
429         (output_refs): New.
430         (output_cgraph): Compute boundary based on references;
431         output refs.
432         (output_varpool): Accept cgraph_node_set argument.
433         (input_ref): New.
434         (input_refs): New.
435         (input_cgraph): Call input_refs.
436         * lto-section-in.c (lto_section_name): Add refs.
437         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
438         (ipa-ref.o): New file.
439         * varpool.c (varpool_node): Clear ipa ref list.
440         (varpool_remove_node): Remove references.
441         (dump_varpool_node): Dump references.
442         (varpool_assemble_decl): Only compile finalized ones.
443         (varpool_extra_name_alias): Initialize ref list.
444         * lto-streamer.c (lto-get_section_name): Add .refs section.
445         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
446         (referenced_from_other_partition_p): Declared.
447
448 2010-05-06  Ira Rosen  <irar@il.ibm.com>
449
450         PR tree-optimization/43901
451         * tree-vect-stmts.c (vectorizable_call): Assert that vector
452         type is not NULL if it's transformation phase, and return
453         FALSE if it's analysis.
454         (vectorizable_conversion, vectorizable_operation, 
455         vectorizable_type_demotion, vectorizable_type_promotion):
456         Likewise.
457
458 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
459
460         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
461         Delete.
462         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
463         New define.
464         * config/mips/mips-protos.h
465         (mips_small_register_classes_for_mode_p): Delete prototype.
466
467 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
468
469         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
470         * config/arm/arm.c (multiple_operation_profitable_p,
471         compute_offset_order): New static functions.
472         (load_multiple_sequence, store_multiple_sequence): Use them.
473         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
474         memory offsets, not register numbers.
475         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
476
477 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
478
479         * stor-layout.c (pending_sizes): Change the type to
480         VEC(tree,gc) *.
481         (get_pending_sizes, put_pending_size, put_pending_sizes):
482         Update the uses of pending_sizes.
483         * c-decl.c (store_parm_decls): Likewise.
484         * c-tree.h (struct c_arg_info): Likewise.
485         * tree.h: Update the prototype for get_pending_sizes and
486         put_pending_sizes.
487
488 2010-05-05  Jason Merrill  <jason@redhat.com>
489
490         PR debug/43370
491         * c-common.c (handle_aligned_attribute): Respect
492         ATTR_FLAG_TYPE_IN_PLACE.
493
494         PR testsuite/43758
495         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
496         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
497         (TARGET_INITIALIZER): Use it.
498         * c-common.c (attribute_takes_identifier_p): Call it.
499         * c-common.h: Update prototype.
500         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
501         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
502
503 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
504
505         PR debug/43950
506         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
507         DW_ID_down_case for Fortran compilation units.
508
509 2010-05-05  Jan Hubicka  <jh@suse.cz>
510
511         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
512         handle aliases.
513
514 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
515
516         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
517         a variable-sized RESULT_DECL.
518
519 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
520
521         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
522
523 2010-05-05  Jason Merrill  <jason@redhat.com>
524
525         PR c++/43787
526         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
527         returns GS_OK.
528         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
529
530 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
531             Jakub Jelinek  <jakub@redhat.com>
532
533         PR debug/43478
534         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
535         (dead_debug_init, dead_debug_finish): New functions.
536         (dead_debug_add, dead_debug_insert_before): Likewise.
537         (df_note_bb_compute): Initialize a dead_debug object, add dead
538         debug uses to it, insert debug bind insns before death insns,
539         reset debug insns that refer to pending uses at the end.
540         * rtl.h (make_debug_expr_from_rtl): New prototype.
541         * varasm.c (make_debug_expr_from_rtl): New function.
542
543 2010-05-05  Jan Hubicka  <jh@suse.cz>
544
545         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
546         (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
547         lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
548         lto_varpool_encoder_encode_initializer_p,
549         lto_set_varpool_encoder_encode_initializer): New functions.
550         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
551         call output_varpool.
552         (input_varpool_node): Do not always set analyzed.
553         (input_cgraph_1): Return vector of cgraph nodes.
554         (input_varpool_1): Return vector of varpools.
555         (input_cgraph): Free the vectors.
556         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
557         output only initializers needed.
558         (lto_output): Only call output_cgraph.
559         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
560         * lto-section-out.c (lto_new_out_decl_state): Initialize
561         state->varpool_node_encoder.
562         * lto-streamer.h (lto_varpool_encoder_d): New.
563         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.     
564         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
565         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
566         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
567         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
568         Declare.
569         (output_varpool, input_varpool): Remove declarations.
570
571 2010-05-05  Jan Hubicka  <jh@suse.cz>
572
573         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
574         with body can prevail.
575
576 2010-05-05  Jan Hubicka  <jh@suse.cz>
577
578         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
579         size.
580
581 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
582
583         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
584         dependencies.
585
586         * gengtype.h (erro_at_line): Constify pos argument.
587
588         * gengtype.c: Include hashtab.h.
589         (enum gc_used): Document GC_MAYBE_POINTED_TO.
590         (error_at_line): Constify pos argument.
591         (do_typedef): Initialize p->opt field.
592         (get_file_gtfilename): Fix comment typo.
593         (struct walk_type_data): Constify line field.
594         (get_output_file_for_structure): New function.
595         (write_local_func_for_structure): Constify orig_s argument.
596         Use get_output_file_for_structure.
597         (write_func_for_structure): Use get_output_file_for_structure.
598         (INDENT): New define.
599         (dump_pair, dump_type, dump_type_list, dump_typekind)
600         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
601         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
602         functions.
603         (seen_types): New variable.
604         (main): New variable do_dump.  Process "-d" command line option.
605         Call dump_everything if dump requested.
606
607 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
608
609         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
610         in a temporary instead of invoking the macro multiple times.
611         (track_expr_p): Likewise.
612
613 2010-05-04  Neil Vachharajani <nvachhar@google.com>
614
615         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
616         per new semantics.
617         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
618         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
619         conditions for printing notes.
620         * common.opt (-Wcoverage-mismatch): Allow negative, default to
621         true, update documentation.
622         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
623
624 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
625
626         PR c/43981
627         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
628         on dimen.
629
630 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
631
632         PR target/43799
633         * config/i386/i386.md (sse_prologue_save): Add clobber CC
634         register.
635         (*sse_prologue_save_insn1): Likewise.
636         (SSE prologue save splitter): Likewise.
637
638 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
639
640         * tree.c (free_lang_data_in_one_sizepos): New inline function.
641         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
642         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
643         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
644         all decls.  Call it on DECL_FIELD_OFFSET of fields.
645         (find_decls_types_r): Follow DECL_VALUE_EXPR.
646         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
647
648 2010-05-04  Martin Jambor  <mjambor@suse.cz>
649
650         * tree-sra.c (build_access_from_expr_1): The first parameter type
651         changed to simple tree.
652         (build_access_from_expr): Likewise, gsi parameter was eliminated.
653         (scan_assign_result): Renamed to assignment_mod_result, enum elements
654         renamed as well.
655         (build_accesses_from_assign): Removed all parameters except for a
656         simple gimple statement.  Now returns a simple bool.
657         (scan_function): All non-analysis parts moved to separate functions
658         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
659         parameters and updated both callers.
660         (sra_modify_expr): Removed parameter data.
661         (sra_modify_function_body): New function.
662         (perform_intra_sra): Call sra_modify_function_body to modify the
663         function body.
664         (replace_removed_params_ssa_names): Parameter data changed into
665         adjustments vector.
666         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
667         changed the parameter dont_convert to convert with the opposite
668         meaning.
669         (sra_ipa_modify_assign): Parameter data changed into adjustments
670         vector, return value changed to bool.
671         (ipa_sra_modify_function_body): New function.
672         (sra_ipa_reset_debug_stmts): Updated a comment.
673         (modify_function): Use ipa_sra_modify_function_body to modify function
674         body.
675
676 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
677
678         PR middle-end/43671
679         * alias.c (true_dependence): Handle the same VALUE in x and mem.
680         (canon_true_dependence): Likewise.
681         (write_dependence_p): Likewise.
682
683 2010-05-04  Jan Hubicka  <jh@suse.cz>
684
685         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
686         * cgraphbuild.c: Include ipa-utils.h
687         (record_reference_ctx): New struct.
688         (record_reference): Simplify to work on initializers; not statements.
689         (mark_address, mark_load, mark_store): New.
690         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
691         walk PHI nodes too.
692         (record_references_in_initializer): Update use of record_reference.
693         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
694         walk PHI nodes too.
695
696 2010-05-04  Jan Hubicka  <jh@suse.cz>
697
698         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
699         node will be removed anyway.
700         (lto_varpool_replace_node): Allow also unanalyzed nodes;
701         relink aliases of node into prevailing node.
702         * varpool.c (varpool_remove_node): Remove aliases properly;
703         when removing node, remove all its aliases too; remove DECL_INITIAL
704         of removed node; ggc_free the varpool node.
705
706 2010-05-04  Richard Guenther  <rguenther@suse.de>
707
708         PR tree-optimization/43879
709         * tree-ssa-structalias.c (alias_get_name): Use
710         DECL_ASSEMBLER_NAME if available.
711         (create_function_info_for): Return the varinfo node.
712         (ipa_pta_execute): Associate same-body aliases and extra names
713         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
714
715 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
716
717         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
718         static.
719
720 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
721
722         PR bootstrap/43964
723         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
724         only if HONOR_REG_ALLOC_ORDER is not defined.
725
726 2010-05-04  Richard Guenther  <rguenther@suse.de>
727
728         PR tree-optimization/43949
729         * tree-vrp.c (extract_range_from_binary_expr): Only handle
730         TRUNC_MOD_EXPR.
731
732 2010-04-26  Jason Merrill  <jason@redhat.com>
733
734         * c.opt (-fstrict-enums): New.
735         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
736
737 2010-05-03  David Ung <davidu@mips.com>
738             James E. Wilson  <wilson@codesourcery.com>
739
740         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
741         emit the trap instruction before the divide for TUNE_74K.
742
743 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
744
745         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
746         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
747         based on the above, for new target hook.
748
749         * hooks.c (hook_bool_mode_true): New generic hook.
750         * hooks.h (hook_bool_mode_true): Add prototype.
751
752         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
753         target hook.
754         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
755         target hook, set to hook_bool_mode_false.
756         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
757         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
758         with targetm.small_register_classes_for_mode_p.
759         (find_reusable_reload): Likewise.
760         (combine_reloads): Likewise.
761         * reload1.c (reload_as_needed): Likewise.
762         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
763         * ifcvt.c (noce_process_if_block, check_cond_move_block,
764         dead_or_predicable): Likewise.
765         * regmove.c (optimize_reg_copy_1): Likewise.
766         * calls.c (prepare_call_address): Likewise.
767         (precompute_register_parameters): Likewise.
768
769         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
770         hook definition.
771         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
772         implementation of the hook that considers all register classes
773         small except for SH64.
774         (sh_override_options): Use the new hook.
775         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
776         Add prototype.
777
778         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
779         hook definition.
780         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
781         implementation of the hook that considers all register classes
782         small for THUMB1.
783         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
784         Add prototype.
785
786         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
787         hook definition.
788         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
789         implementation of the hook that considers all register classes
790         small for MIPS16.
791         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
792         Add prototype.
793
794         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
795         hook definition.
796         * config/m32c/m32c.h: Likewise.
797         * config/pdp11/pdp11.h: Likewise.
798         * config/avr/avr.h: Likewise.
799         * config/xtensa/xtensa.h: Likewise.
800         * config/m68hc11/m68hc11.h: Likewise.
801         * config/mn10300/mn10300.h: Likewise.
802         * config/mcore/mcore.h: Likewise.
803         * config/h8300/h8300.h: Likewise.
804         * config/bfin/bfin.h: Likewise.
805
806         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
807         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
808
809 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
810
811         * double-int.h (tree_to_double_int): Remove macro.
812         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
813         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
814         (tree_to_double_int): New function.
815         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
816         Move ...
817         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
818
819 2010-05-03  Richard Guenther  <rguenther@suse.de>
820
821         PR tree-optimization/43971
822         * tree-ssa-structalias.c (get_constraint_for_1): Fix
823         constraints in the !flag_delete_null_pointer_checks case.
824
825 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
826
827         PR debug/43972
828         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
829         result mode matches original rtl mode.
830
831 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
832
833         PR target/43888
834         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
835
836 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
837
838         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
839         when processing flag options.
840
841 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
842
843         * gcov-iov.c (main): Change format string placeholder
844         from %#08x to 0x%08x.
845         * genchecksum.c (dosum): Change format string placeholder
846         from %#02x to 0x%02x.
847
848 2010-05-02  Richard Guenther  <rguenther@suse.de>
849
850         PR tree-optimization/43879
851         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
852
853 2010-05-02  Bruno Haible  <bruno@clisp.org>
854
855         * doc/extend.texi (Function Attributes): Fix a typo.
856
857 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
858
859         Revert:
860         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
861         placeholder from 0x%x to %#x.
862         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
863         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
864         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
865         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
866         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
867         * config/i386/i386.c (ix86_target_string): Ditto.
868         * config/i386/i386.c (output_pic_addr_const): Ditto.
869         (print_operand): Ditto.
870
871 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
872
873         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
874         placeholder from 0x%x to %#x.
875         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
876         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
877         (ASM_OUTPUT_DEBUG_DATA): Ditto.
878         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
879         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
880         * optc-gen.awk: Ditto.
881         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
882         (HOST_WIDE_INT_PRINT_HEX): Ditto.
883         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
884         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
885
886 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
887
888         * target.h (struct calls): Add function_value_regno_p field.
889         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
890         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
891         * targhooks.c (default_function_value_regno_p): New function.
892         * targhooks.h (default_function_value_regno_p): Declare function.
893         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
894         * builtins.c. (apply_result_size): (Ditto.).
895         * combine.c. (likely_spilled_retval_p): (Ditto.).
896         * mode-switching.c. Include 'target.h'.
897         (create_pre_exit): Use function_value_regno_p hook.
898         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
899         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
900         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
901
902         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
903         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
904         (ix86_function_value_regno_p): Declare as static, change argument
905         type to const unsigned int.
906         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
907
908 2010-05-01  Richard Guenther  <rguenther@suse.de>
909
910         PR tree-optimization/43949
911         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
912         types.
913         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
914
915 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
916
917         * rtl.h (CONST_DOUBLE_P): Define.
918         (rtx_to_double_int): Declare.
919         * emit-rtl.c (rtx_to_double_int): New function.
920         * dwarf2out.c (insert_double): New function.
921         (loc_descriptor, add_const_value_attribute): Clean up, use
922         rtx_to_double_int and insert_double functions.
923
924 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
925
926         * doc/extend.texi (Inline): Add missing return keyword to examples.
927         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
928         "command-line".
929
930 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
931
932         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
933         the variable part of the offset as well.  Use highest_pow2_factor for
934         all alignment checks.
935
936 2010-04-30  Richard Guenther  <rguenther@suse.de>
937
938         PR tree-optimization/43879
939         * tree-ssa-structalias.c (type_could_have_pointers): Functions
940         can have pointers.
941
942 2010-04-30  Jan Hubicka  <jh@suse.cz>
943
944         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
945         varpool.
946         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
947
948 2010-04-30  Jan Hubicka  <jh@suse.cz>
949
950         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
951         New.
952         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
953         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
954         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
955         cgraph_node_set_needs_ltrans_p): Remove.
956
957 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
958
959         * sdbout.c: Include vec.h, do not include varray.h.
960         (deferred_global_decls, sdbout_global_decl,
961         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
962         * toplev.c: Do not include varray.h.
963         (dump_memory_report): Do not dump VARRAY statistics.
964         * gengtype.c (open_base_file): Ignore varray.h.
965         * Makefile.in: Update for abovementioned changes.
966         Remove all traces of varray.c and varray.h.
967         * varray.c: Remove file.
968         * varray.h: Remove file.
969
970 2010-04-30  Jan Hubicka  <jh@suse.cz>
971
972         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
973         references.
974
975 2010-04-30  Jan Hubicka  <jh@suse.cz>
976
977         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
978         needed.
979
980 2010-04-30  Richard Guenther  <rguenther@suse.de>
981
982         * tree-ssa-structalias.c (get_constraint_for_1): Generate
983         constraints for CONSTRUCTOR.
984
985 2010-04-30  Richard Guenther  <rguenther@suse.de>
986
987         PR lto/43946
988         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
989         first after all lowering passes.
990
991 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
992
993         * toplev.c: Include varray.h for statistics dumping.
994         * tree.h: Do not declare varray_head_tag.
995         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
996         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
997         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
998         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
999         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1000         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1001         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1002         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1003         include varray.h.
1004         * Makefile.in: Update for abovementioned changes.
1005
1006 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1007
1008         PR debug/43942
1009         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1010
1011 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1012
1013         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1014         Use this function to do machine-specific conversion.
1015         (picochip_legitimize_reload_address): Likewise.
1016         (picochip_legitimate_address_p): Check valid base register only if
1017         strict.
1018         (picochip_check_conditional_copy): Check for modw only if opnd is
1019         register.
1020         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1021         to call the function in c.
1022         * config/picochip/picochip-protos.h
1023         (picochip_legitimize_reload_address): Define.
1024         * config/picochip/picochip.md (supported_compare1): Define.
1025
1026 2010-04-30  Jan Hubicka  <jh@suse.cz>
1027
1028         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1029         (cgraph_global_info): Remove inlined.
1030         (LTO_cgraph_tag_names): Remove.
1031         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1032         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1033         simplify cgraph tags and document.
1034         (lto_output_node): Use only LTO_cgraph_unavail_node and
1035         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1036         for_functions_valid, global info, process and output flags.
1037         (input_overwrite_node): Initialize estimated stack size and
1038         estimated growth.  Do not read flags we no longer store.
1039         (input_node): Likewise do not read info no longer stored.
1040         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1041         flag.
1042
1043 2010-04-30  Richard Guenther  <rguenther@suse.de>
1044
1045         PR tree-optimization/43879
1046         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1047         handle non-zero initializers.
1048
1049 2010-04-30  Richard Guenther  <rguenther@suse.de>
1050
1051         * builtins.c (fold_builtin_1): Delete free (0).
1052
1053 2010-04-29  Jan Hubicka  <jh@suse.cz>
1054
1055         * gengtype.c (open_base_files): Add lto-streamer.h
1056         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1057         (pass_ipa_cp): GGC collect.
1058         * toplev. (compile_file): Do not output symbols.
1059         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1060         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1061         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1062         * lto-section-in.c: Include ggc.h
1063         (lto_new_in_decl_state): Alloc in GGC.
1064         (lto_delete_in_decl_state): Likewise.
1065         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1066         Collect.
1067
1068 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1069
1070         PR target/42895
1071         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1072         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1073         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1074         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1075         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1076         account only if HONOR_REG_ALLOC_ORDER is not defined.
1077         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1078         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1079
1080 2010-04-29  Jon Grant  <04@jguk.org>
1081
1082         * collect2.c (vflag): Change type from int to bool.
1083         (debug): Likewise.
1084         (helpflag): New global bool.
1085         (main): Set vflag and debug with boolean, not integer truth values.
1086         Accept new "--help" option and output usage text if found.
1087         * collect2.h (vflag): Update prototype.
1088         (debug): Likewise.
1089
1090 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1091
1092         PR bootstrap/43936
1093         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1094
1095 2010-04-29  Richard Guenther  <rguenther@suse.de>
1096
1097         PR bootstrap/43935
1098         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1099         with ATTRIBUTE_UNUSED.
1100
1101 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1102
1103         PR target/43921
1104         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1105         INSN_P with NONDEBUG_INSN_P.
1106         (distance_non_agu_define): Likewise.
1107         (distance_agu_use): Likewise.
1108
1109 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1110
1111         From Dominique d'Humieres <dominiq@lps.ens.fr>
1112         PR bootstrap/43858
1113         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1114         test_set.
1115
1116 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1117
1118         * plugin.h (invoke_plugin_callbacks): New inline function.
1119         * plugin.c (flag_plugin_added): New global flag.
1120         (add_new_plugin): Initialize above flag.
1121         (invoke_plugin_callbacks): Rename to ...
1122         (invoke_plugin_callbacks_full): ... this.
1123
1124 2010-04-28  Jan Hubicka  <jh@suse.cz>
1125
1126         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1127         (lto_varpool_replace_node): New.
1128         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1129         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1130         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1131         * cgraph.h (varpool_node_ptr): New type.
1132         (varpool_node_ptr): New vector.
1133         (varpool_node_set_def): New structure.
1134         (varpool_node_set): New type.
1135         (varpool_node_set): New vector.
1136         (varpool_node_set_element_def): New structure.
1137         (varpool_node_set_element, const_varpool_node_set_element): New types.
1138         (varpool_node_set_iterator): New type.
1139         (varpool_node): Add prev pointers, add used_from_other_partition,
1140         in_other_partition.
1141         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1142         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1143         varpool_get_node, varpool_remove_node): Declare.
1144         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1145         varpool_node_set_size): New inlines.
1146         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1147         * tree-pass.h (varpool_node_set_def): Forward declare.
1148         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1149         (ipa_write_optimization_summaries): Update prototype.
1150         * ipa-cp.c (ipcp_write_summary): Update.
1151         * ipa-reference.c (ipa_reference_write_summary): Update.
1152         * lto-cgraph.c (lto_output_varpool_node): New static function.
1153         (output_varpool): New function.
1154         (input_varpool_node): New static function.
1155         (input_varpool_1): New function.
1156         (input_cgraph): Input varpool.
1157         * ipa-pure-const.c (pure_const_write_summary): Update.
1158         * lto-streamer-out.c (lto_output): Update, output varpool too.
1159         (write_global_stream): Kill WPA hack.
1160         (produce_asm_for_decls): Update.
1161         (output_alias_pair_p): Handle variables.
1162         (output_unreferenced_globals): Output only needed partition of varpool.
1163         * ipa-inline.c (inline_write_summary): Update.
1164         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1165         cgraph.
1166         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1167         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1168         varpool_node_set_new, varpool_node_set_add,
1169         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1170         debug_varpool_node_set): New functions.
1171         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1172         (execute_one_pass): Process new decls too.
1173         (ipa_write_summaries_2): Pass around vsets.
1174         (ipa_write_summaries_1): Likewise.
1175         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1176         to add.
1177         (ipa_write_optimization_summaries_1): Pass around vsets.
1178         (ipa_write_optimization_summaries): Likewise.
1179         * varpool.c (varpool_get_node): New.
1180         (varpool_node): Update doubly linked lists.
1181         (varpool_remove_node): New.
1182         (dump_varpool_node): More dumping.
1183         (varpool_enqueue_needed_node): Update doubly linked lists.
1184         (decide_is_variable_needed): Kill ltrans hack.
1185         (varpool_finalize_decl): Kill lto hack.
1186         (varpool_assemble_decl): Skip decls in other partitions.
1187         (varpool_assemble_pending_decls): Update doubly linkes lists.
1188         (varpool_empty_needed_queue): Likewise.
1189         (varpool_extra_name_alias): Likewise.
1190         * lto-streamer.c (lto_get_section_name): Add vars section.
1191         * lto-streamer.h (lto_section_type): Update.
1192         (output_varpool, input_varpool): Declare.
1193
1194 2010-04-28  Mike Stump  <mikestump@comcast.net>
1195
1196         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1197
1198 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1199
1200         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1201         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1202         (lto_input_ts_type_tree_pointers): Likewise.
1203         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1204         (lto_output_ts_type_tree_pointers): Likewise.
1205
1206 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1207
1208         Uniquization of constants at the Tree level
1209         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1210         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1211         bit to the end.
1212         (tree_output_constant_def): Declare.
1213         * gimplify.c (gimplify_init_constructor): When using block copy, first
1214         uniquize the constant constructor on the RHS.
1215         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1216         DECL_IN_CONSTANT_POOL flag.
1217         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1218         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1219         constant pool.
1220         (assemble_variable): Deal with symbols belonging to the tree constant
1221         pool.
1222         (get_constant_section): Add ALIGN parameter and simplify.
1223         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1224         (assemble_constant_contents): Use the expression of the VAR_DECL.
1225         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1226         (tree_output_constant_def): New global function.
1227         (mark_constant): Use the expression of the VAR_DECL.
1228         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1229         its expression.
1230         (output_object_block): Likewise and assemble the expression.
1231
1232 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1233
1234         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1235         hash_tree, eq_tree): New tree hash table.
1236         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1237         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1238         lto_orig_address_remove): Reimplement.
1239
1240 2010-04-28  Xinliang David Li  <davidxl@google.com>
1241
1242         PR c/42643
1243         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1244         (compute_uninit_opnds_pos): New function.
1245         (is_non_loop_exit_postdominating): New function.
1246         (compute_control_dep_chain): New function.
1247         (find_pdom): New function.
1248         (convert_control_dep_chain_into_preds): New function.
1249         (find_predicates): New function.
1250         (find_control_equiv_block): New function.
1251         (collect_phi_def_edges): New function.
1252         (find_def_preds): New function.
1253         (find_dom): New function.
1254         (dump_predicates): New function.
1255         (get_cmp_code): New function.
1256         (is_value_included_in): New function.
1257         (find_matching_predicate_in_rest_chains): New function.
1258         (use_pred_not_overlap_with_undef_path_pred): New function.
1259         (is_use_properly_guarded): New function.
1260         (normalize_cond_1): New function.
1261         (is_and_or_or): New function.
1262         (normalize_cond): New function.
1263         (is_gcond_subset_of): New function.
1264         (is_subset_of_any): New function.
1265         (is_or_set_subset_of): New function.
1266         (is_and_set_subset_of): New function.
1267         (is_norm_cond_subset_of): New function.
1268         (is_pred_expr_subset_of): New function.
1269         (is_pred_chain_subset_of): New function.
1270         (is_included_in): New function.
1271         (is_superset_of): New function.
1272         (find_uninit_use): New function.
1273         (warn_uninitialized_phi): New function.
1274         (compute_possibly_undefined_names): New function.
1275         (ssa_undefined_value_p): New function.
1276         (execute_late_warn_uninitialized): New function.
1277         * tree-ssa.c (ssa_undefined_value_p): Removed.
1278         (warn_uninit): Changed to extern.
1279         (warn_uninitialized_phi): Removed.
1280         (warn_uninitialized_vars): Changed to extern.
1281         (execute_late_warn_uninitialized): Removed
1282         * tree-flow.h: Add new prototypes.
1283         * timevar.def: Add new time variable.
1284         * Makefile.in: Add new build file.
1285
1286 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1287
1288         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1289         type if available.
1290
1291 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1292
1293         PR target/22224
1294         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1295
1296 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1297
1298         * cgraph.h (struct cgraph_node): New field indirect_calls.
1299         (struct cgraph_indirect_call_info): New type.
1300         (struct cgraph_edge): Removed field indirect_call. New fields
1301         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1302         (cgraph_create_indirect_edge): Declare.
1303         (cgraph_make_edge_direct): Likewise.
1304         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1305         * ipa-prop.h (struct ipa_param_call_note): Removed.
1306         (struct ipa_node_params): Removed field param_calls.
1307         (ipa_create_all_structures_for_iinln): Declare.
1308         * cgraph.c: Described indirect edges and uids in initial comment.
1309         (cgraph_add_edge_to_call_site_hash): New function.
1310         (cgraph_edge): Search also among the indirect edges, use
1311         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1312         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1313         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1314         site hash.
1315         (initialize_inline_failed): Assign a reason to indirect edges.
1316         (cgraph_create_edge_1): New function.
1317         (cgraph_create_edge): Moved some functionality to
1318         cgraph_create_edge_1.
1319         (cgraph_create_indirect_edge): New function.
1320         (cgraph_edge_remove_callee): Add an assert checking for
1321         non-indirectness.
1322         (cgraph_edge_remove_caller): Special-case indirect edges.
1323         (cgraph_remove_edge): Likewise.
1324         (cgraph_set_edge_callee): New function.
1325         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1326         (cgraph_make_edge_direct): New function.
1327         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1328         the declaration of the call statement matches.
1329         (cgraph_node_remove_callees): Special-case indirect edges.
1330         (cgraph_clone_edge): Likewise.
1331         (cgraph_clone_node): Clone also the indirect edges.
1332         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1333         indirect_call, dump count of indirect_calls edges.
1334         * ipa-prop.c (iinlining_processed_edges): New variable.
1335         (ipa_note_param_call): Create indirect edges instead of
1336         creating notes.  New parameter node.
1337         (ipa_analyze_call_uses): New parameter node, pass it on to
1338         ipa_note_param_call.
1339         (ipa_analyze_stmt_uses): Likewise.
1340         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1341         (print_edge_addition_message): Work on edges rather than on notes.
1342         (update_call_notes_after_inlining): Likewise, renamed to
1343         update_indirect_edges_after_inlining.
1344         (ipa_create_all_structures_for_iinln): New function.
1345         (ipa_free_node_params_substructures): Do not free notes.
1346         (ipa_edge_duplication_hook): Propagate bits within
1347         iinlining_processed_edges bitmap.
1348         (ipa_node_duplication_hook): Do not duplicate notes.
1349         (free_all_ipa_structures_after_ipa_cp): Renamed to
1350         ipa_free_all_structures_after_ipa_cp.
1351         (free_all_ipa_structures_after_iinln): Renamed to
1352         ipa_free_all_structures_after_iinln.g
1353         (ipa_write_param_call_note): Removed.
1354         (ipa_read_param_call_note): Removed.
1355         (ipa_write_indirect_edge_info): New function.
1356         (ipa_read_indirect_edge_info): Likewise.
1357         (ipa_write_node_info): Do not stream notes, do stream information
1358         in indirect edges.
1359         (ipa_read_node_info): Likewise.
1360         (lto_ipa_fixup_call_notes): Removed.
1361         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1362         * ipa-inline.c (pass_ipa_inline): Likewise.
1363         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1364         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1365         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1366         is_gimple_call.
1367         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1368         edges.
1369         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1370         (output_cgraph): Stream also indirect edges.
1371         (lto_output_edge): Added capability to stream indirect edges.
1372         (input_edge): Likewise.
1373         (input_cgraph_1): Likewise.
1374         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1375         of indirect edges.
1376
1377 2010-04-28  Richard Guenther  <rguenther@suse.de>
1378
1379         PR tree-optimization/43879
1380         PR tree-optimization/43909
1381         * tree-ssa-structalias.c (struct variable_info): Add
1382         only_restrict_pointers flag.
1383         (new_var_info): Initialize it.  Increment stats.total_vars here.
1384         (create_function_info_for): Do not increment stats.total_vars
1385         here.
1386         (get_function_part_constraint): Fix build with C++.
1387         (insert_into_field_list): Remove.
1388         (push_fields_onto_fieldstack): Properly merge fields.
1389         (create_variable_info_for): Split and simplify.
1390         (create_variable_info_for_1): New piece.
1391         (intra_create_variable_infos): Properly make restrict constraints
1392         from parameters.
1393
1394 2010-04-28  Richard Guenther  <rguenther@suse.de>
1395
1396         PR c++/43880
1397         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1398
1399 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1400             Jan Hubicka <hubicka@ucw.cz>
1401
1402         * doc/invoke.texi (-Wsuggest-attribute=const,
1403         -Wsuggest-attribute=pure): Document.
1404         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1405         (function_always_visible_to_compiler_p,
1406         suggest_attribute, warn_function_pure, warn_function_const):
1407         New functions.
1408         (check_call): Improve debug info.
1409         (analyze_function): Do not check availability.
1410         (add_new_function): Check availability.
1411         (propagate): Output warnings.
1412         (skip_function_for_local_pure_const): New function.
1413         (local_pure_const): Use it; output warnings.
1414         * common.opt (Wsuggest-attribute=const,
1415         Wsuggest-attribute=pure): New.
1416
1417 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1418
1419         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1420         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1421         or DW_CFA_def_cfa_offset{,_sf}.
1422
1423 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1424
1425         * tree.h: Fix truncated long macros.
1426
1427 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1428
1429         * collect2.c (TARGET_64BIT): Redefine to target's default.
1430         * tlink.c: Likewise.
1431         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1432         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1433         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1434         for underscoring __USER_LABEL_PREFIX__.
1435         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1436         (SUB_LINK_ENTRY32): New.
1437         (SUB_LINK_ENTRY64): New.
1438         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1439         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1440         (SUB_LINK_ENTRY64): New.
1441         (SUB_LINK_ENTRY): New.
1442         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1443         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1444         x64 target is choosen.
1445         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1446         * configure: Regenerated.
1447         * configure.ac (leading-mingw64-underscores): Option added.
1448
1449 2010-04-27  Jan Hubicka  <jh@suse.cz>
1450
1451         * doc/invoke.texi (-fipa-profile): Document.
1452         * opts.c (decode_options): Enable ipa-profile at -O1.
1453         * timevar.def (TV_IPA_PROFILE): Define.
1454         * common.opt (fipa-profile): Add.
1455         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1456         flag for clones.
1457         (cgraph_propagate_frequency): Handle only local ones.
1458         * tree-pass.h (pass_ipa_profile): Declare.
1459         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1460         (pass_ipa_profile): Use TV_IPA_PROFILE.
1461         * ipa.c (ipa_profile): New function.
1462         (gate_ipa_profile): Likewise.
1463         (pass_ipa_profile): New global variable.
1464         * passes.c (pass_ipa_profile): New.
1465
1466 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1467
1468         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1469
1470 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1471
1472         PR middle-end/43812
1473         * ipa.c (dissolve_same_comdat_group_list): New function.
1474         (function_and_variable_visibility): Call
1475         dissolve_same_comdat_group_list when comdat group contains external or
1476         newly local nodes.
1477         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1478         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1479
1480 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1481
1482         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1483         (const_hash_1) <VECTOR_CST>: New case.
1484         (compare_constant) <VECTOR_CST>: Likewise.
1485         <ADDR_EXPR>: Deal with LABEL_REFs.
1486         (copy_constant) <VECTOR_CST>: New case.
1487
1488 2010-04-27  Jan Hubicka  <jh@suse.cz>
1489
1490         * cgraph.c (cgraph_propagate_frequency): New function.
1491         * cgraph.h (cgraph_propagate_frequency): Declare.
1492         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1493         cgraph_propagate_frequency.
1494
1495 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1496
1497         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1498
1499 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1500
1501         PR target/40657
1502         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1503         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1504         here to determine which regs to push and how much stack to reserve.
1505
1506 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1507
1508         * doc/gimple.texi (gimple_statement_with_ops): Remove
1509         addresses_taken field.
1510         (gimple_statement_with_memory_ops): Likewise.
1511
1512 2010-04-27  Jan Hubicka  <jh@suse.cz>
1513
1514         * tree-inline.c (eni_inlining_weights): Remove.
1515         (estimate_num_insns): Special case more builtins.
1516
1517 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1518
1519         PR c/32207
1520         * c-typeck.c (build_binary_op): Move forward check for comparison
1521         pointer with null pointer constant and adjust the diagnostic message.
1522
1523 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1524
1525         PR lto/42776
1526         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1527         binutils supports extended .section directive needed by LTO, or
1528         warn if older binutils found.
1529         (LTO_BINARY_READER): New AC_SUBST'd variable.
1530         (LTO_USE_LIBELF): Likewise.
1531         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1532         variable.
1533         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1534         (LTO_USE_LIBELF): Likewise.
1535         * configure: Regenerate.
1536
1537         * collect2.c (is_elf): Rename from this ...
1538         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1539          object files in addition to ELF-formatted ones.
1540         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1541         symbol to be prefixed or not by an extra underscore.
1542
1543         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1544         * config/i386/winnt.c: Also #include lto-streamer.h
1545         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1546         LTO named sections.
1547         (i386_pe_asm_output_aligned_decl_common): Add comment.
1548         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1549
1550 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1551
1552         PR target/43889
1553         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1554         Add missing earlyclobber for second alternative.
1555
1556 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1557
1558         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1559         bits for artificial defs at the top of the block.
1560         * fwprop.c (single_def_use_enter_block): Don't call it.
1561
1562 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1563
1564         PR 43715
1565         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1566         instead of "$gcc_cv_objdump -T".
1567         Use "-undefined dynamic_lookup" on darwin.
1568         * gcc/configure: Regenerate.
1569
1570 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1571
1572         PR c/43893
1573         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1574
1575 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1576
1577         * c-parser.c (struct c_token): Move location field up.
1578         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1579         (struct c_declspecs): Convert typespec_word, storage_class, and
1580         default_int_p into bitfields.
1581         (struct c_declarator): Move loc field up.
1582
1583 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1584
1585         * cfgloop.h (struct loop): Move can_be_parallel field up.
1586         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1587         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1588         down.
1589         (struct iv_cand): Convert pos field into a bitfield.
1590         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1591         field up.
1592         (struct _stmt_vec_info): Shuffle fields for better packing.
1593
1594 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1595
1596         * varasm.c (IN_NAMED_SECTION): Remove guard.
1597         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1598         (IN_NAMED_SECTION_P): ...this.
1599         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1600         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1601
1602 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1603
1604         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1605         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1606         of shadowing it.  Fix comments.
1607
1608 2010-04-26  Jan Hubicka  <jh@suse.cz>
1609
1610         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1611         (cgraph_clone_node): Copy function frequency.
1612         * cgraph.h (node_frequency): New enum
1613         (struct cgraph_node): Add.
1614         * final.c (rest_of_clean_state): Update.
1615         * lto-cgraph.c (lto_output_node): Output node frequency.
1616         (input_overwrite_node): Input node frequency.
1617         * tre-ssa-loop-ivopts (computation_cost): Update.
1618         * lto-streamer-out.c (output_function): Do not output function
1619         frequency.
1620         * predict.c (maybe_hot_frequency_p): Update and handle functions
1621         executed once.
1622         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1623         attribute lookup.
1624         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1625         (compute_function_frequency): Set noreturn functions to be executed
1626         once.
1627         (choose_function_section): Update.
1628         * lto-streamer-in.c (input_function): Do not input function frequency.
1629         * function.c (allocate_struct_function): Do not initialize function
1630         frequency.
1631         * function.h (function_frequency): Remove.
1632         (struct function): Remove function frequency.
1633         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1634         (try_update): Update.
1635         * tree-inline.c (initialize_cfun): Do not update function frequency.
1636         * passes.c (pass_init_dump_file): Update.
1637         * i386.c (ix86_compute_frame_layout): Update.
1638         (ix86_pad_returns): Update.
1639
1640 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1641
1642         PR tree-optimization/43833
1643         * tree-vrp.c (range_int_cst_p): New.
1644         (range_int_cst_singleton_p): New.
1645         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1646         when both operands are constants.  Use range_int_cst_p in
1647         BIT_IOR_EXPR case.
1648
1649 2010-04-26  Jan Hubicka  <jh@suse.cz>
1650
1651         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1652
1653 2010-04-26  Richard Guenther  <rguenther@suse.de>
1654
1655         PR lto/43080
1656         * gimple.c (gimple_decl_printable_name): Deal gracefully
1657         with a NULL DECL_NAME.
1658
1659 2010-04-26  Richard Guenther  <rguenther@suse.de>
1660
1661         PR lto/42425
1662         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1663         if emitting debug information and it is either a function
1664         or a namespace decl.
1665
1666 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1667
1668         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1669         determine if the statement is vectorizable, and a macro to access it.
1670         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1671         Skip statements that can't be vectorized. If the analysis fails,
1672         mark the statement as unvectorizable if vectorizing basic block.
1673         (vect_compute_data_refs_alignment): Likewise.
1674         (vect_verify_datarefs_alignment): Skip statements marked as
1675         unvectorizable. Add print.
1676         (vect_analyze_group_access): Skip statements that can't be
1677         vectorized. If the analysis fails, mark the statement as
1678         unvectorizable if vectorizing basic block.
1679         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1680         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1681         generated stmts for SLP.
1682         (new_stmt_vec_info): Initialize the new field.
1683         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1684         statements marked as unvectorizable.
1685
1686 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1687
1688         * c-common.c (flag_isoc1x): New.
1689         (flag_isoc99): Update comment.
1690         * c-common.h (flag_isoc1x): New.
1691         (flag_isoc99): Update comment.
1692         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1693         __<type>_DECIMAL_DIG__.
1694         * c-opts.c (set_std_c1x): New.
1695         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1696         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1697         * c.opt (-std=c1x, -std=gnu1x): New options.
1698         * doc/cpp.texi: Mention -std=c1x.
1699         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1700         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1701         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1702         * doc/standards.texi: Mention C1X.
1703         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1704         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1705         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1706         Define for C1X.
1707
1708 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1709
1710         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1711         placeholder from 0x%x to %#x.
1712         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1713         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1714         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1715         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1716         * config/i386/i386.c (ix86_target_string): Ditto.
1717         (output_pic_addr_const): Ditto.
1718         (print_operand): Ditto.
1719
1720 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1721
1722         * combine.c (find_split_point): Add third argument.  Use it
1723         to find nested multiply-accumulate instructions.  Adjust calls.
1724         (try_combine): Adjust call to find_split_point.
1725
1726 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1727
1728         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1729
1730 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1731
1732         PR tree-optimization/41442
1733         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1734         (fold_binary_loc): Call it.
1735
1736 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1737
1738         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1739         * opts.c (common_handle_option): Allow disabling it.
1740         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1741
1742 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1743
1744         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1745         between modes if both types are integral.
1746
1747 2010-04-23  Richard Guenther  <rguenther@suse.de>
1748
1749         PR tree-optimization/43572
1750         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1751
1752 2010-04-23  Richard Guenther  <rguenther@suse.de>
1753
1754         PR lto/43455
1755         * tree-inline.c (tree_can_inline_p): Also check compatibility
1756         of return types.
1757
1758 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1759
1760         PR tree-optimization/43846
1761         * tree-sra.c (struct access): New flag grp_assignment_read.
1762         (build_accesses_from_assign): Set grp_assignment_read.
1763         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1764         (enum mark_read_status): New type.
1765         (analyze_access_subtree): Propagate grp_assignment_read, create
1766         accesses also if both direct_read and root->grp_assignment_read.
1767
1768 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1769
1770         PR middle-end/43835
1771         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1772         function does not have type attributes.
1773
1774 2010-04-23  Richard Guenther  <rguenther@suse.de>
1775
1776         PR lto/42653
1777         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1778         of FUNCTION_DECLs.
1779
1780 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1781
1782         * sese.h (create_if_region_on_edge): Remove.
1783
1784         * sese.c (create_if_region_on_edge): Make static.
1785
1786         * tree-inline.c: Do not include ggc.h.
1787
1788         * expr.c: Do not include ggc.h.
1789
1790         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1791         dependencies.
1792
1793 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1794
1795         PR target/43744
1796         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1797         in the middle of insns for casesi_worker_2.
1798
1799 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1800
1801         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1802
1803 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1804
1805         PR tree-optimization/43842
1806         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1807         loop unrolling in update of exit phis. Fix comment.
1808         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1809         least two reduction statements in the loop before starting SLP
1810         analysis.
1811
1812 2010-04-22  Nick Clifton  <nickc@redhat.com>
1813
1814         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1815
1816 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1817
1818         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1819         to simplify a + ~a.
1820
1821 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1822
1823         * tree-parloops.c (loop_parallel_p): New argument
1824         parloop_obstack.  Pass it down.
1825         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1826         pass it down, free it.
1827
1828         * tree-loop-linear.c (linear_transform_loops): Pass down
1829         lambda_obstack.
1830
1831         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1832         of type struct obstack *.
1833
1834         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1835         scratch_obstack.  Initialize it, pass down, free it.
1836
1837         * lambda.h (lambda_loop_new): Remove.
1838         (lambda_matrix_new, lambda_matrix_inverse)
1839         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1840         argument of type struct obstack *.
1841
1842         * lambda-trans.c (lambda_trans_matrix_new): New argument
1843         lambda_obstack.  Pass it down, use obstack allocation for ret.
1844         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1845         it down.
1846
1847         * lambda-mat.c (lambda_matrix_get_column)
1848         (lambda_matrix_project_to_null): Remove.
1849         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1850         allocation for mat.
1851         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1852         lambda_obstack.
1853
1854         * lambda-code.c (lambda_loop_new): New function.
1855         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1856         (lambda_compute_auxillary_space, lambda_compute_target_space)
1857         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1858         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1859         (build_access_matrix): New argument lambda_obstack.  Use obstack
1860         allocation for am.
1861         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1862         argument lambda_obstack.  Pass it down.
1863
1864 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1865
1866         * optabs.h (expand_widening_mult): Declare.
1867
1868 2010-04-22  Richard Guenther  <rguenther@suse.de>
1869
1870         PR tree-optimization/43845
1871         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1872         lookup the CALL_EXPR function and arguments.
1873
1874 2010-04-22  Nick Clifton  <nickc@redhat.com>
1875
1876         * config/stormy16/stormy16.c
1877         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1878         * config/stormy16/stormy16.h: Tidy up formatting.
1879         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1880         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1881         (ineqbranchsi): Delete pattern.
1882         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1883         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1884         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1885         stormy16-lib2-ucmpsi2.c.
1886
1887 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1888
1889         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1890         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1891         extra set merge_set_noclobber, and use it to relax the final test
1892         slightly.
1893         * df.h (df_simulate_find_noclobber_defs): Declare.
1894         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1895         conditional defs.
1896         (df_simulate_find_noclobber_defs): New function.
1897
1898 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1899
1900         * config/i386/i386.md: Use {} around multi-line preparation statements.
1901
1902 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1903
1904         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1905         (process_init_element): New argument of type struct obstack *.
1906
1907         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1908         (set_init_index, set_init_label, set_nonincremental_init)
1909         (set_nonincremental_init_from_string, find_init_member)
1910         (output_init_element, output_pending_init_elements)
1911         (process_init_element): New argument braced_init_obstack.  Pass it
1912         down.
1913         (push_range_stack, add_pending_init): New argument
1914         braced_init_obstack.  Use obstack allocation.
1915
1916         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1917         braced_init_obstack.  Pass it down.
1918         (c_parser_braced_init): New variables ret, braced_init_obstack.
1919         Initialize obstack, pass it down and finally free it.
1920
1921 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1922
1923         PR middle-end/29274
1924         * tree-pass.h (pass_optimize_widening_mul): Declare.
1925         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1926         gate_optimize_widening_mul): New static functions.
1927         (pass_optimize_widening_mul): New.
1928         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1929         <case MULT_EXPR>: Remove support for widening multiplies.
1930         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1931         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1932         simplify_gen_unary rather than directly building extensions.
1933         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1934         WIDEN_MULT_EXPR.
1935         * expmed.c (expand_widening_mult): New function.
1936         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1937
1938 2010-04-21  Jan Hubicka  <jh@suse.cz>
1939
1940         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1941         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1942         * lto-wpa-fixup.c: Remove.
1943         * Makefile.in (lto-wpa-fixup.o): Remove.
1944         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1945         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1946         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1947
1948 2010-04-21  Jan Hubicka  <jh@suse.cz>
1949
1950         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1951         add write_optimization_summary, read_optimization_summary.
1952         (ipa_write_summaries_of_cgraph_node_set): Remove.
1953         (ipa_write_optimization_summaries): Declare.
1954         (ipa_read_optimization_summaries): Declare.
1955         * ipa-cp.c (pass_ipa_cp): Update.
1956         * ipa-reference.c (pass_ipa_reference): Update.
1957         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1958         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1959         Update.
1960         * ipa-inline.c (pass_ipa_inline): Update.
1961         * ipa.c (pass_ipa_whole_program): Update.
1962         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1963         * passes.c (ipa_write_summaries_1): Do not test wpa.
1964         (ipa_write_optimization_summaries_1): New.
1965         (ipa_write_optimization_summaries): New.
1966         (ipa_read_summaries): Do not test ltrans.
1967         (ipa_read_optimization_summaries_1): New.
1968         (ipa_read_optimization_summaries): New.
1969
1970 2010-04-21  Jan Hubicka  <jh@suse.cz>
1971
1972         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1973         for boundary nodes.
1974         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1975
1976 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1977
1978         PR debug/40040
1979         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1980         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1981
1982 2010-04-21  Jan Hubicka  <jh@suse.cz>
1983
1984         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1985
1986 2010-04-21  Jan Hubicka  <jh@suse.cz>
1987
1988         * varpool.c (decide_is_variable_needed): Variable is always needed
1989         during ltrans.
1990
1991 2010-04-21  Jan Hubicka  <jh@suse.cz>
1992
1993         * opts.c (decode_options): Enable pure-const pass for whopr.
1994
1995 2010-04-21  Jan Hubicka  <jh@suse.cz>
1996
1997         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1998         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1999         at WPA dumping.
2000         (cgraph_decide_inlining): Do not expect callee to be removed in all
2001         cases.
2002
2003 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2004
2005         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2006
2007 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2008
2009         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2010         amdfam10_decode attributes.
2011
2012 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2013
2014         PR middle-end/43570
2015         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2016         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2017         (lower_copyprivate_clauses): Use private var in outer
2018         context instead of original var.  Make sure the types
2019         are correct for VLAs.
2020
2021 2010-04-21  Richard Guenther  <rguenther@suse.de>
2022
2023         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2024         to non-pointer objects.
2025
2026 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2027
2028         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2029         last chain entry if it starts with the still current label.
2030         (add_location_or_const_value_attribute): Check that
2031         loc_list->first->next is NULL instead of comparing ->first with ->last.
2032         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2033         to add_var_loc_to_decl.
2034
2035         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2036         >= 4 add also address size and segment size fields into CIE header.
2037
2038         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2039         long as address size is the same as sizeof (void *) and
2040         segment size is 0.
2041         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2042         address size or segment size is unexpected, return DW_EH_PE_omit.
2043         (classify_object_over_fdes): If get_cie_encoding returned
2044         DW_EH_PE_omit, return -1.
2045         (init_object): If classify_object_over_fdes returned -1,
2046         pretend there were no FDEs at all.
2047
2048 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2049
2050         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2051         bswap{si,di}2 using SWI48 mode iterator.
2052         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2053         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2054         set modrm attribute of bswap insn to 0 and remove length attribute.
2055         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2056         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2057         set mode attribute to <MODE> and remove length attribute.
2058
2059 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2060
2061         PR rtl-optimization/43520
2062         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2063         zero available registers.
2064
2065 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2066
2067         * builtins.c (fold_builtin_cproj): Fold more cases.
2068
2069 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2070
2071         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2072         (fold_builtin_1): Fold builtin cproj.
2073         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2074         Use ATTR_CONST_NOTHROW_LIST.
2075
2076 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2077
2078         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2079         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2080         ffsi2_no_cmove for !TARGET_CMOVE.
2081         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2082         (ffssi2): Remove expander.
2083         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2084         mode iterator.
2085         (ctz<mode>2): Ditto from ctz{si,di}2.
2086         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2087         mode iterator.
2088         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2089         mode iterator.
2090
2091 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2092
2093         * dwarf2out.c (AT_linkage_name): Define.
2094         (clone_as_declaration): Handle DW_AT_linkage_name.
2095         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2096         of DW_AT_MIPS_linkage_name.
2097         (move_linkage_attr): Likewise.
2098         (dwarf2out_finish): Likewise.
2099
2100 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2101
2102         PR middle-end/41952
2103         * fold-const.c (fold_comparison): New folding rule.
2104
2105 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2106
2107         * double-int.h (double_int_setbit): Declare.
2108         * double-int.c (double_int_setbit): New function.
2109         * rtl.h (immed_double_int_const): Declare.
2110         * emit-rtl.c (immed_double_int_const): New function.
2111         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2112         and immed_double_int_const functions.
2113         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2114         expand_copysign_bit):  (Ditto.).
2115         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2116         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2117         * dojump.c (prefer_and_bit_test): (Ditto.).
2118         * expr.c (convert_modes, reduce_to_bit_field_precision,
2119         const_vector_from_tree): (Ditto.).
2120         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2121
2122 2010-04-20  Jan Hubicka  <jh@suse.cz>
2123
2124         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2125         (dump_cgraph_node): Dump new flags.
2126         * cgraph.h (struct cgraph_node): Add flags
2127         reachable_from_other_partition and in_other_partition.
2128         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2129         other partition can not be removed.
2130         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2131         the other partition must be output; silence sanity checking on
2132         leaking functions bodies from other paritition.
2133         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2134         (lto_output_node): Output new flags; do not sanity check that inline
2135         clones are output; drop lto_forced_extern_inline_p code; do not mock
2136         visibility flags at partition boundaries.
2137         (add_node_to): New function.
2138         (output_cgraph): Use it to sort functions so masters appear before
2139         clones.
2140         (input_overwrite_node): Input new flags.
2141         * passes.c (ipa_write_summaries): Do not call
2142         lto_new_extern_inline_states.
2143         * lto-section-out.c (forced_extern_inline,
2144         lto_new_extern_inline_states lto_delete_extern_inline_states,
2145         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2146         * lto-streamer.h (lto_new_extern_inline_states,
2147         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2148         lto_forced_extern_inline_p): Kill.
2149
2150 2010-04-20  Richard Guenther  <rguenther@suse.de>
2151
2152         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2153         from vars that can have pointers.
2154         (process_constraint): Dump useless constraints.
2155
2156 2010-04-20  Richard Guenther  <rguenther@suse.de>
2157
2158         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2159         (dump_sa_points_to_info): Remove asserts.
2160         (init_base_vars): nothing_id isn't an escape point nor does it
2161         have pointers.
2162
2163 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2164
2165         * tree.h (TYPE_REF_IS_RVALUE): Define.
2166         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2167         should_move_die_to_comdat, prune_unused_types_walk): Handle
2168         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2169         (modified_type_die, gen_reference_type_die): Emit
2170         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2171         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2172
2173 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2174
2175         PR target/43635
2176         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2177         calls for -fpic -m31 if they have been sibcall optimized.
2178
2179 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2180
2181         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2182         ar.lc fixed and call-used.
2183
2184         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2185
2186 2010-04-19  Jan Hubicka  <jh@suse.cz>
2187
2188         * opts.c (decode_options): Disable whpr incompatible passes.
2189         * lto/lto.c (lto_1_to_1_map): Skip clones.
2190         (read_cgraph_and_symbols): Do not mark everything as needed.
2191         (do_whole_program_analysis): Do map only after optimizing;
2192         set proper cgraph_state; use passmanager.
2193
2194 2010-04-19  DJ Delorie  <dj@redhat.com>
2195
2196         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2197         POINTER_PLUS_EXPR and fix them.
2198
2199 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2200
2201         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2202         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2203         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2204         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2205         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2206         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2207         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2208         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2209         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2210         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2211         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2212
2213 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2214
2215         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2216         (check_cond_move_block): Likewise.
2217         (cond_move_process_if_block): Likewise.
2218         (noce_find_if_block): Improve formatting.
2219         (find_if_header): Pass 0 to memset and tweak conditions.
2220         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2221
2222 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2223
2224         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2225         for -gdwarf-4.
2226
2227         PR middle-end/43337
2228         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2229         with non-local decl doesn't need chain.
2230
2231 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2232
2233         * ira-color.c (allocno_reload_assign): Avoid accumulating
2234         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2235
2236 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2237
2238         * gimple.h (create_tmp_reg): Declare.
2239         * gimplify.c (create_tmp_reg): New function.
2240         (gimplify_return_expr): Use create_tmp_reg.
2241         (gimplify_omp_atomic): Likewise.
2242         (gimple_regimplify_operands): Likewise.
2243         * tree-dfa.c (make_rename_temp): Likewise.
2244         * tree-predcom.c (predcom_tmp_var): Likewise.
2245         (reassociate_to_the_same_stmt): Likewise.
2246         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2247         (get_replaced_param_substitute): Likewise.
2248         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2249         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2250         * tree-ssa-pre.c (get_representative_for): Likewise.
2251         (create_expression_by_pieces): Likewise.
2252         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2253         (create_tailcall_accumulator): Likewise.
2254
2255 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2256
2257         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2258         new_stmt.
2259         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2260
2261 2010-04-19  Richard Guenther  <rguenther@suse.de>
2262
2263         PR tree-optimization/43796
2264         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2265         from SCEV in the lattice.
2266         (vrp_visit_phi_node): Dump change.
2267
2268 2010-04-19  Richard Guenther  <rguenther@suse.de>
2269
2270         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2271         * configure: Re-generated.
2272
2273 2010-04-19  Richard Guenther  <rguenther@suse.de>
2274
2275         PR tree-optimization/43783
2276         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2277         constant ARRAY_REF operands two and three if possible.
2278
2279 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2280
2281         PR target/43766
2282         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2283
2284 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2285
2286         PR target/43662
2287         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2288
2289 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2290
2291         PR tree-optimization/37027
2292         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2293         and macro to access it.
2294         (vectorizable_reduction): Add argument.
2295         (vect_get_slp_defs): Likewise.
2296         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2297         statements for possible use in SLP.
2298         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2299         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2300         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2301         add new argument.
2302         (vectorizable_reduction): Likewise.
2303         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2304         vect_get_slp_defs.
2305         (vectorizable_type_demotion, vectorizable_type_promotion,
2306         vectorizable_store): Likewise.
2307         (vect_analyze_stmt): Update call to vectorizable_reduction.
2308         (vect_transform_stmt): Likewise.
2309         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2310         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2311         from different interleaving chains in same node.
2312         (vect_slp_rearrange_stmts): New function.
2313         (vect_supported_load_permutation_p): Allow load permutations for
2314         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2315         inside SLP nodes if necessary.
2316         (vect_analyze_slp_instance): Handle reductions.
2317         (vect_analyze_slp): Try to build SLP instances originating from groups
2318         of reductions.
2319         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2320         (vect_get_constant_vectors): Create initial vectors for reductions
2321         according to reduction code. Add new argument.
2322         (vect_get_slp_defs): Add new argument, pass it to
2323         vect_get_constant_vectors.
2324         (vect_schedule_slp_instance): Remove SLP tree root statements.
2325
2326 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2327
2328         * tree.h (ENUM_IS_SCOPED): Define.
2329         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2330         for ENUM_IS_SCOPED enums.
2331
2332 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2333
2334         * fold-const.c (fold_comparison): Use ssizetype.
2335         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2336         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2337         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2338         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2339
2340         * tree.h (initialize_sizetypes): Remove parameter.
2341         (build_common_tree_nodes): Remove second parameter.
2342         * stor-layout.c (initialize_sizetypes): Remove parameter.
2343         Always create an unsigned type.
2344         (set_sizetype): Assert that the passed type is unsigned and simplify.
2345         * tree.c (build_common_tree_nodes): Remove second parameter.
2346         Adjust call to initialize_sizetypes.
2347         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2348         build_common_tree_nodes.
2349
2350 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2351
2352         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2353
2354 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2355
2356         PR tree-optimization/43771
2357         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2358         load permutation doesn't have gaps.
2359
2360 2010-04-18  Jan Hubicka  <jh@suse.cz>
2361
2362         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2363         (sse_prologue_save_insn expander): Use new pattern.
2364         (sse_prologue_save_insn1): New pattern and splitter.
2365         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2366         blocks.
2367         * i386.c (setup_incoming_varargs_64): Do not compute jump
2368         destination here.
2369         (ix86_gimplify_va_arg): Update alignment needed.
2370         (ix86_local_alignment): Do not align all local arrays to 128bit.
2371
2372 2010-04-17  Jan Hubicka  <jh@suse.cz>
2373
2374         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2375
2376 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2377
2378         * arm.md (negdi2): Remove redundant code to force values into a
2379         register.
2380
2381 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2382
2383         * arm/bpabi.S: Add EABI alignment attributes to objects.
2384         * arm/bpabi-v6m.S: Likewise.
2385         * arm/crti.asm: Likewise.
2386         * arm/crtn.asm: Likewise.
2387         * arm/lib1funcs.asm: Likewise.
2388         * arm/libunwind.S: Likewise.
2389
2390 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2391
2392         * arm-protos.h (tune_params): New structure.
2393         * arm.c (current_tune): New variable.
2394         (arm_constant_limit): Delete.
2395         (struct processors): Add pointer to the tune parameters.
2396         (arm_slowmul_tune): New tuning option.
2397         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2398         (all_cores): Adjust to pick up the tuning model.
2399         (arm_constant_limit): New function.
2400         (arm_override_options): Select the appropriate tuning model.  Delete
2401         initialization of arm_const_limit.
2402         (arm_split_constant): Use the new constant-limit model.
2403         (arm_rtx_costs): Pick up the current tuning model.
2404         * arm.md (is_strongarm, is_xscale): Delete.
2405         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2406         for Xscale variant architectures.
2407         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2408
2409 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2410
2411         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2412         can_shift.
2413         (arm_rtx_costs_1): Remove unused variable extra_cost.
2414         (arm_unwind_emit_set): Use variable offset.
2415         (thumb1_output_casesi): Remove unused variable flags.
2416
2417 2010-04-16  Jeff Law  <law@redhat.com>
2418
2419         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2420         needing assignment rather than doing a two-phase assignment.  Remove
2421         unused variable 'm'.
2422
2423 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2424
2425         PR bootstrap/43767
2426         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2427
2428 2010-04-16  Doug Kwan  <dougkwan@google.com>
2429
2430         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2431         (next_operand_entry_id): New static variable.
2432         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2433         (add_to_ops_vec): Assigned unique ID to operand entry.
2434         (struct oecount_s): New field ID.
2435         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2436         (undistribute_ops_list): Assign unique IDs to oecounts.
2437         (init_reassoc): reset next_operand_entry_id.
2438
2439 2010-04-16  Doug Kwan  <dougkwan@google.com>
2440
2441         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2442         missing left parenthesis.
2443
2444 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2445
2446         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2447         *btdi_rex64 using SWI48 mode iterator.
2448         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2449         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2450         *jcc_btdi_mask_rex64.
2451
2452 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2453
2454         * double-int.h (tree_to_double_int): Convert to macro.
2455         * double-int.c (tree_to_double_int): Remove.
2456
2457 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2458
2459         PR debug/43762
2460         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2461         with want_address 2 and in case a single element list might be
2462         possible, call it again with want_address 0.
2463
2464 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2465
2466         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2467         case 'W' print operands for HI mode.
2468         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2469         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2470         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2471         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2472
2473         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2474
2475         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2476         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2477         #xx:3 and #xx:4 mode.
2478
2479         * config/h8300/h8300.md (inverted load with HImode dest): Add
2480         support for H8300SX.
2481
2482         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2483         satisfy 'U' constraint.
2484
2485 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2486
2487         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2488         * configure: Regenerate.
2489         * config.in: Regenerate.
2490         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2491         works.
2492
2493 2010-04-16  Richard Guenther  <rguenther@suse.de>
2494
2495         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2496         (struct tree_decl_common): ... here.
2497         (DECL_PT_UID): Adjust.
2498         (SET_DECL_PT_UID): Likewise.
2499         (DECL_PT_UID_SET_P): Likewise.
2500
2501 2010-04-16  Richard Guenther  <rguenther@suse.de>
2502
2503         PR tree-optimization/43572
2504         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2505         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2506         * tree-flow.h (is_call_clobbered): Remove.
2507         * tree-flow-inline.h (is_call_clobbered): Likewise.
2508         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2509         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2510         (execute_return_slot_opt): Adjust.
2511         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2512         check for call clobbered vars here.
2513         (find_tail_calls): Move tailcall verification to the
2514         proper place.
2515
2516 2010-04-16  Diego Novillo  <dnovillo@google.com>
2517
2518         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2519
2520 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2521
2522         PR target/40603
2523         * config/arm/arm.md (cbranchqi4): New pattern.
2524         * config/arm/predicates.md (const0_operand,
2525         cbranchqi4_comparison_operator): New predicates.
2526
2527 2010-04-16  Richard Guenther  <rguenther@suse.de>
2528
2529         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2530         (dump_gimple_stmt): Likewise.
2531
2532 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2533
2534         * recog.h (struct recog_data): New field is_operator.
2535         (struct insn_operand_data): New field is_operator.
2536         * recog.c (extract_insn): Set recog_data.is_operator.
2537         * genoutput.c (output_operand_data): Emit code to set the
2538         is_operator field.
2539         * reload.c (find_reloads): Use it rather than testing for an
2540         empty constraint string.
2541
2542         PR target/41514
2543         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2544         If the previous insn is a cbranchsi4_insn with the same arguments,
2545         omit the compare instruction.
2546
2547         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2548         register, inputs must be low registers and we need a low register
2549         scratch.  Handle alternative 2 like alternative 3.
2550
2551 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2552
2553         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2554         don't call get_addr on both.  If one expression is a VALUE and
2555         the other a REG, check VALUE's locs if the REG isn't among them.
2556
2557 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2558
2559         * config/sh/sh.h (sh_frame_pointer_required): New function.
2560         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2561         (flag_omit_frame_pointer) Set.
2562         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2563         (rounded_frame_size): Adjust size with outgoing_args_size.
2564         (sh_set_return_address): Must return from stack pointer.
2565         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2566         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2567         (ACCUMULATE_OUTGOING_ARGS): Define.
2568         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2569         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2570
2571 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2572
2573         PR target/43471
2574         * config/sh/sh.c (sh_legitimize_reload_address): Use
2575         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2576         Remove a unneeded check for offset_base.
2577
2578 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2579
2580         * configure: Regenerated.
2581
2582 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2583
2584         * config/s390/s390.c (s390_call_save_register_used): Switch back
2585         to HARD_REGNO_NREGS.
2586
2587 2010-04-15  Richard Guenther  <rguenther@suse.de>
2588
2589         * alias.c (alias_set_subset_of): Handle alias-set zero
2590         child properly.
2591
2592 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2593             Julian Brown  <julian@codesourcery.com>
2594
2595         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2596         alternatives according to use of high and low regs.
2597         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2598         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2599         optimizing for size on Thumb-2.
2600
2601 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2602
2603         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2604
2605 2010-04-15  Richard Guenther  <rguenther@suse.de>
2606
2607         * tree-ssa-structalias.c (struct variable_info): Add
2608         is_fn_info flag.
2609         (new_var_info): Initialize it.
2610         (dump_constraints): Support printing last added constraints.
2611         (debug_constraints): Adjust.
2612         (dump_constraint_graph): Likewise.
2613         (make_heapvar_for): Check for NULL cfun.
2614         (get_function_part_constraint): New function.
2615         (get_fi_for_callee): Likewise.
2616         (find_func_aliases): Properly implement IPA PTA constraints.
2617         (process_ipa_clobber): New function.
2618         (find_func_clobbers): Likewise.
2619         (insert_into_field_list_sorted): Remove.
2620         (create_function_info_for): Properly allocate vars for IPA mode.
2621         Do not use insert_into_field_list_sorted.
2622         (create_variable_info_for): Properly generate constraints for
2623         global vars in IPA mode.
2624         (dump_solution_for_var): Always dump the solution.
2625         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2626         (find_what_var_points_to): Adjust.
2627         (pt_solution_set): Change.
2628         (pt_solution_ior_into): New function.
2629         (pt_solution_empty_p): Export.
2630         (pt_solution_includes_global): Adjust.
2631         (pt_solution_includes_1): Likewise.
2632         (pt_solutions_intersect_1): Likewise.
2633         (dump_sa_points_to_info): Check some invariants.
2634         (solve_constraints): Move constraint dumping ...
2635         (compute_points_to_sets): ... here.
2636         (ipa_pta_execute): ... and here.
2637         (compute_may_aliases): Do not re-compute points-to info
2638         locally if IPA info is available.
2639         (ipa_escaped_pt): New global var.
2640         (ipa_pta_execute): Properly implement IPA PTA.
2641         * tree-into-ssa.c (dump_decl_set): Support dumping
2642         decls not in referenced-vars.
2643         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2644         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2645         (dump_points_to_solution): Likewise.
2646         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2647         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2648         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2649         (copy_decl_to_var): Copy DECL_PT_UID.
2650         (copy_result_decl_to_var): Likewise.
2651         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2652         (copy_node_stat): Copy it.
2653         * tree.h (DECL_PT_UID): New macro.
2654         (SET_DECL_PT_UID): Likewise.
2655         (DECL_PT_UID_SET_P): Likewise.
2656         (struct tree_decl_minimal): Add pt_uid member.
2657         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2658         (pt_solution_empty_p): Declare.
2659         (pt_solution_set): Adjust.
2660         (ipa_escaped_pt): Declare.
2661         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2662         * gimple-pretty-print.c (pp_points_to_solution): New function.
2663         (dump_gimple_call): Dump call clobber/use information.
2664         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2665         * tree-pass.h (TDF_ALIAS): New dump option.
2666         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2667         * doc/invoke.texi (-fipa-pta): Update documentation.
2668
2669 2010-04-15  Richard Guenther  <rguenther@suse.de>
2670
2671         * Makefile.in (OBJS-common): Add gimple-fold.o.
2672         (gimple-fold.o): New rule.
2673         * tree.h (maybe_fold_offset_to_reference,
2674         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2675         prototypes ...
2676         * gimple.h: ... here.
2677         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2678         may_propagate_address_into_dereference): Move prototypes ...
2679         * gimple.h: ... here.
2680         * tree-ssa-ccp.c (get_symbol_constant_value,
2681         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2682         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2683         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2684         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2685         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2686         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2687         gimplify_and_update_call_from_tree): Move ...
2688         * gimple-fold.c: ... here.  New file.
2689         (ccp_fold_builtin): Rename to ...
2690         (gimple_fold_builtin): ... this.
2691         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2692
2693 2010-04-15  Richard Guenther  <rguenther@suse.de>
2694
2695         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2696         fit_double_type, force_fit_type_double, add_double_with_sign,
2697         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2698         lrotate_double, rrotate_double, div_and_round_double): Move ...
2699         * double-int.c: ... here.
2700         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2701         add_double, neg_double, mul_double_with_sign, mul_double,
2702         lshift_double, rshift_double, lrotate_double, rrotate_double,
2703         div_and_round_double): Move prototypes ...
2704         * double-int.h: ... here.
2705
2706 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2707
2708         PR target/43742
2709         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2710         matching constraints to ensure inputs match the output.
2711
2712 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2713
2714         PR target/43742
2715         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2716         in an input-only operand.
2717
2718 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2719
2720         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2721         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2722         (double_int_negative_p): Convert to static inline function.
2723         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2724         (double_int_negative_p): Remove.
2725         * tree.h (lshift_double, rshift_double):
2726         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2727         * fold-const.c (fold_convert_const_int_from_real,
2728         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2729         (lshift_double): Change type of arith argument to bool.
2730         (rshift_double): Change type of arith argument to bool. Correct
2731         comment.
2732         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2733
2734 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2735
2736         PR target/21803
2737         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2738         at the start and end of the then/else blocks, and omit them from the
2739         conversion.
2740         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2741         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2742         (flow_find_head_matching_sequence): New function.
2743         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2744         * basic-block.h (flow_find_cross_jump,
2745         flow_find_head_matching_sequence): Declare functions.
2746
2747 2010-04-14  Jason Merrill  <jason@redhat.com>
2748
2749         PR c++/36625
2750         * c-common.c (attribute_takes_identifier_p): New fn.
2751         * c-common.h: Declare it.
2752
2753 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2754
2755         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2756         splitter condition.
2757         (*udivmod<mode>4): Ditto.
2758
2759 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2760
2761         * config/i386/i386.md (maxmin_int): Rename code attribute from
2762         maxminiprefix and update all users.
2763         (maxmin_float): Ditto from maxminfprefix.
2764         (logic): Ditto from logicprefix.
2765         (absneg_mnemonic): Ditto from absnegprefix.
2766         * config/i386/mmx.md: Update all users of maxminiprefix,
2767         maxminfprefix and logicprefix for rename.
2768         * config/i386/sse.md: Ditto.
2769         * config/i386/sync.md (sync_<code><mode>): Update for
2770         logicprefix rename.
2771
2772 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2773
2774         PR 42966
2775         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2776         warnings converted to errors.
2777
2778 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2779
2780         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2781         used insn_type variable.
2782         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2783         to avoid set-but-not-used warning.
2784
2785 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2786
2787         * df-core.c (df_ref_debug): Change format string placeholder
2788         from 0x%x to %#x.
2789         * dwarf2asm.c (dw2_asm_output_data_raw,
2790         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2791         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2792         * dwarf2out.c (output_cfi, output_cfi_directive,
2793         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2794         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2795         Ditto.
2796         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2797         * print-rtl.c (print_rtx): Ditto.
2798
2799 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2800
2801         PR middle-end/42694
2802         * builtins.c (expand_builtin_pow_root): New function to expand pow
2803         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2804         series of sqrt and cbrt calls under -ffast-math.
2805         (expand_builtin_pow): Call it.
2806
2807 2010-04-14  Michael Matz  <matz@suse.de>
2808
2809         PR tree-optimization/42963
2810         * tree-cfg.c (touched_switch_bbs): New static variable.
2811         (group_case_labels_stmt): New function broken out from ...
2812         (group_case_labels): ... here, use the above.
2813         (start_recording_case_labels): Allocate touched_switch_bbs.
2814         (end_recording_case_labels): Deallocate it, call
2815         group_case_labels_stmt.
2816         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2817
2818 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2819
2820         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2821         from insn template.
2822
2823 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2824
2825         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2826
2827 2010-04-13  Jan Hubicka  <jh@suse.cz>
2828
2829         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2830         of optimized out static functions.
2831         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2832         cost computation.  Also sanity check for overflows.
2833         (update_caller_keys): Update cgraph_edge_badness call; properly
2834         update fibheap and sanity check that it is up to date.
2835         (add_new_edges_to_heap): Update cgraph_edge_badness.
2836         (cgraph_decide_inlining_of_small_function): Likewise;
2837         add sanity checking that badness in heap is up to date;
2838         improve dumping of reason; Update badness of calls to the
2839         offline copy of function currently inlined; dump badness
2840         of functions not inlined because of unit growth limits.
2841
2842 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2843
2844         PR middle-end/32628
2845         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2846         because of sign-extension change when converting to sizetype here...
2847         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2848
2849         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2850         the folding to constants.  Remove redundant final conversion.
2851         (fold_binary) <associate>: Do not associate if the re-association of
2852         constants alone overflows.
2853         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2854         to the end of the list.
2855         (multiple_of_p) <COND_EXPR>: New case.
2856
2857 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2858
2859         * opt-functions.awk (opt_sanitized_name): New.
2860         (opt_enum): New.
2861         * optc-gen.awk: Use it
2862         * opth-gen.awk: Use it.
2863
2864 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2865
2866         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2867         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2868         children.  Call replace_uses_with_default_def_ssa_name to handle
2869         SSA_NAES on lhs.
2870
2871 2010-04-13  Michael Matz  <matz@suse.de>
2872
2873         PR middle-end/43730
2874         * builtins.c (expand_builtin_interclass_mathfn): Also create
2875         a register if the predicate doesn't match.
2876
2877 2010-04-13  Diego Novillo  <dnovillo@google.com>
2878
2879         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2880         * c-pch.c: Include timevar.h.
2881         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2882         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2883         * ggc-common.c: Include timevar.h.
2884         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2885         * timevar.def (TV_PCH_SAVE): Define.
2886         (TV_PCH_CPP_SAVE): Define.
2887         (TV_PCH_PTR_REALLOC): Define.
2888         (TV_PCH_PTR_SORT): Define.
2889         (TV_PCH_RESTORE): Define.
2890         (TV_PCH_CPP_RESTORE): Define.
2891
2892 2010-04-13  Michael Matz  <matz@suse.de>
2893
2894         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2895         into MINUS_EXPRs.
2896         (can_reassociate_p): New function.
2897         (break_up_subtract_bb, reassociate_bb): Use it.
2898
2899 2010-04-13  Richard Guenther  <rguenther@suse.de>
2900
2901         PR bootstrap/43737
2902         * builtins.c (c_readstr): Fix assert.
2903
2904 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2905
2906         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2907         when generating cltd insn.
2908
2909         (*ashl<mode>3_1): Remove special handling for register operand 2.
2910         (*ashlsi3_1_zext): Ditto.
2911         (*ashlhi3_1): Ditto.
2912         (*ashlhi3_1_lea): Ditto.
2913         (*ashlqi3_1): Ditto.
2914         (*ashlqi3_1_lea): Ditto.
2915         (*<shiftrt_insn><mode>3_1): Ditto.
2916         (*<shiftrt_insn>si3_1_zext): Ditto.
2917         (*<shiftrt_insn>qi3_1_slp): Ditto.
2918         (*<rotate_insn><mode>3_1): Ditto.
2919         (*<rotate_insn>si3_1_zext): Ditto.
2920         (*<rotate_insn>qi3_1_slp): Ditto.
2921
2922 2010-04-13  Richard Guenther  <rguenther@suse.de>
2923
2924         * tree-ssa-structalias.c (callused_id): Remove.
2925         (call_stmt_vars): New.
2926         (get_call_vi): Likewise.
2927         (lookup_call_use_vi): Likewise.
2928         (lookup_call_clobber_vi): Likewise.
2929         (get_call_use_vi): Likewise.
2930         (get_call_clobber_vi): Likewise.
2931         (make_transitive_closure_constraints): Likewise.
2932         (handle_const_call): Adjust to do per-call call-used handling.
2933         (handle_pure_call): Likewise.
2934         (find_what_var_points_to): Remove general callused handling.
2935         (init_base_vars): Likewise.
2936         (init_alias_vars): Initialize call_stmt_vars.
2937         (compute_points_to_sets): Process call-used and call-clobbered
2938         vars for call statements.
2939         (delete_points_to_sets): Free call_stmt_vars.
2940
2941 2010-04-13  Richard Guenther  <rguenther@suse.de>
2942
2943         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2944         Only add RW dependence for dependence distance zero.
2945         Adjust maximal vectorization factor according to dependences.
2946         Move alignment handling ...
2947         (vect_find_same_alignment_drs): ... here.  New function.
2948         (vect_analyze_data_ref_dependences): Adjust.
2949         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2950         (vect_analyze_data_refs): Adjust minimal vectorization factor
2951         according to data references.
2952         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2953         dependences before determining the vectorization factor.
2954         Analyze alignment after determining the vectorization factor.
2955         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2956         dependences before alignment.
2957         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2958         Adjust prototype.
2959         (vect_analyze_data_refs): Likewise.
2960         (MAX_VECTORIZATION_FACTOR): New define.
2961
2962 2010-04-13  Duncan Sands  <baldrick@free.fr>
2963
2964         * except.h (lang_eh_type_covers): Remove.
2965         * except.c (lang_eh_type_covers): Likewise.
2966
2967 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2968             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2969
2970         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2971         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2972         UNITS_PER_LONG where it is ABI relevant.
2973         (s390_return_addr_rtx): Likewise.
2974         (s390_back_chain_rtx): Likewise.
2975         (s390_frame_area): Likewise.
2976         (s390_frame_info): Likewise.
2977         (s390_initial_elimination_offset): Likewise.
2978         (save_gprs): Likewise.
2979         (s390_emit_prologue): Likewise.
2980         (s390_emit_epilogue): Likewise.
2981         (s390_function_arg_advance): Likewise.
2982         (s390_function_arg): Likewise.
2983         (s390_va_start): Likewise.
2984         (s390_gimplify_va_arg): Likewise.
2985         (s390_function_profiler): Likewise.
2986         (s390_optimize_prologue): Likewise.
2987         (s390_rtx_costs): Likewise.
2988         (s390_secondary_reload): Likewise.
2989         (s390_promote_function_mode): Likewise.
2990         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2991         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2992         registers available.
2993         (s390_unwind_word_mode): New function.
2994         (s390_function_value): Split 64 bit values into register pair if
2995         used as return value.
2996         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2997         function call parameters.  Handle parallels.
2998         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2999         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3000         (DWARF_CIE_DATA_ALIGNMENT): New macro.
3001         (s390_expand_setmem): Remove unused variable src_addr.
3002         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3003         deal with 64 bit registers.
3004         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3005         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3006         (UNITS_PER_LONG): New macro.
3007         * libjava/include/s390-signal.h: Define extended ucontext
3008         structure containing the upper halfs of the 64 bit registers.
3009
3010 2010-04-13  Simon Baldwin  <simonb@google.com>
3011
3012         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3013
3014 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3015
3016         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3017         rvalue on the RHS if the LHS is of a non-renamable type.
3018         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3019
3020 2010-04-13  Matthias Klose  <doko@ubuntu.com>
3021
3022         * gcc.c (cc1_options): Handle -iplugindir before processing
3023         the cc1 spec. Only add -iplugindir once.
3024         (cpp_unique_options): Add -iplugindir option if -fplugin* options
3025         found.
3026         * common.opt (iplugindir): Remove `Separate' property, initialize.
3027         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3028         option.
3029         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3030         (distclean): Remove plugin dir.
3031         * doc/invoke.texi: Document -iplugindir.
3032
3033 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3034
3035         * doc/plugins.texi (Loading Plugins): Document short
3036         -fplugin=foo option.
3037         (Plugin API): Mention default_plugin_dir_name function.
3038
3039         * gcc.c (find_file_spec_function): Add new declaration.
3040         (static_spec_func): Use it for "find-file".
3041         (find_file_spec_function): Add new function.
3042         (cc1_options): Add -iplugindir option if -fplugin* options found.
3043
3044         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3045
3046         * plugin.c (add_new_plugin): Updated comment, and handle short
3047         plugin name.
3048         (default_plugin_dir_name): Added new function.
3049
3050         * common.opt (iplugindir): New option to set the plugin directory.
3051
3052 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3053
3054         * config/i386/i386.md (any_rotate): New code iterator.
3055         (rotate_insn): New code attribute.
3056         (rotate): Ditto.
3057         (SWIM124): New mode iterator.
3058         (<rotate_insn>ti3): New expander.
3059         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3060         any_rotate code iterator.
3061         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3062         using any_rotate code iterator and SWIM124 mode iterator.
3063         (ix86_rotlti3): New insn_and_split pattern.
3064         (ix86_rotrti3): Ditto.
3065         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3066         ix86_rotl{di,ti}3 patterns.
3067         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3068         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3069         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3070         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3071         code iterator and SWI mode iterator.
3072         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3073         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3074         code iterator.
3075         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3076         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3077         (bswap rotatert splitter): Add splitter.
3078         (bswap splitter): Macroize splitter using any_rotate code iterator.
3079         Add insn predicate to split only for TARGET_USE_XCHGB or when
3080         optimizing function for size.
3081
3082 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3083
3084         * config/pa/pa.c (emit_move_sequence): Remove use of
3085         deleted variable flag_argument_noalias.
3086
3087 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3088
3089         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3090         configurations.
3091         Add to unsupported targets list.
3092         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3093         sparc*-sun-solaris2.[567]* from target lists.
3094         * configure: Regenerate.
3095         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3096         removal.
3097         Remove Solaris 7 patch references.
3098         (Specific, sparc-sun-solaris2.7): Removed.
3099         (sparc-sun-solaris2*): Update Solaris 7 example.
3100         (sparc64-*-solaris2*): Likewise.
3101
3102 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3103
3104         * config.build (alpha*-dec-osf4*): Remove.
3105         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3106         of obsolete configurations.
3107         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3108         support.
3109         * config/alpha/t-osf4: Renamed to ...
3110         * config/alpha/t-osf5: ... this.
3111         * config/alpha/osf.h: Renamed to ...
3112         * config/alpha/osf5.h: ... this.
3113         Merged old osf5.h contents.
3114         Update comments.
3115         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3116         (EXTRA_SPECS): Removed.
3117         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3118         reflect removal of Tru64 UNIX V4.0/V5.0 support.
3119         Document that.
3120
3121 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3122
3123         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3124
3125 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3126
3127         PR/43702
3128         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3129         __thiscall convention.
3130
3131 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3132
3133         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3134         orig_base.
3135         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3136
3137 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3138
3139         * function.c (assign_parms_initialize_all): Add unused attribute
3140         to fntype.
3141
3142 2010-04-12  Richard Guenther  <rguenther@suse.de>
3143
3144         * gsstruct.def (GSS_CALL): New.
3145         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3146         * gimple.h: Include tree-ssa-alias.h.
3147         (struct gimple_statement_call): New.
3148         (union gimple_statement_struct_d): Add gimple_call member.
3149         (gimple_call_reset_alias_info): Declare.
3150         (gimple_call_use_set): New function.
3151         (gimple_call_clobber_set): Likewise.
3152         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3153         * gimple.c (gimple_call_reset_alias_info): New function.
3154         (gimple_build_call_1): Call it.
3155         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3156         * tree-inline.c (remap_gimple_stmt): Likewise.
3157         (expand_call_inline): Remove callused handling.
3158         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3159         * tree-dfa.c (dump_variable): Likewise.
3160         * tree-parloops.c (parallelize_loops): Likewise.
3161         * tree-ssa.c (init_tree_ssa): Likewise.
3162         (delete_tree_ssa): Likewise.
3163         * tree-flow-inline.h (is_call_used): Remove.
3164         * tree-flow.h (struct gimple_df): Remove callused member.
3165         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3166         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3167         (ref_maybe_used_by_call_p_1): Simplify.
3168         (call_may_clobber_ref_p_1): Likewise.
3169         * tree-ssa-structalias.c (compute_points_to_sets): Set
3170         the call stmt used and clobbered sets.
3171         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3172         (find_tail_calls): Verify the tail call.
3173
3174 2010-04-12  Richard Guenther  <rguenther@suse.de>
3175
3176         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3177         single-iteration always-inline inlining.
3178         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3179         (cgraph_decide_inlining): Do not handle always-inline specially.
3180         (try_inline): Remove always-inline cycle detection special case.
3181         Do not recurse on always-inlines.
3182         (cgraph_early_inlining): Do not iterate if not optimizing.
3183         (cgraph_gate_early_inlining): remove.
3184         (pass_early_inline): Run unconditionally.
3185         (gate_cgraph_decide_inlining): New function.
3186         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
3187         not inlining or optimizing.
3188         (cgraph_decide_inlining_of_small_functions): Also consider
3189         always-inline functions.
3190         (cgraph_default_inline_p): Return true for nodes which should
3191         disregard inline limits.
3192         (estimate_function_body_sizes): Assume zero size and time for
3193         nodes which are marked as disregarding inline limits.
3194         (cgraph_decide_recursive_inlining): Do not perform recursive
3195         inlining on always-inline nodes.
3196
3197 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
3198
3199         PR bootstrap/43699
3200         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3201         for exprs satisfying handled_component_p.
3202
3203 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
3204
3205         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3206         non-constant aggregate elements.
3207
3208         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3209         is a real initialization.
3210
3211 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
3212
3213         PR c/36774
3214         * c-decl.c (start_function): Move forward check for nested function.
3215
3216 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3217
3218         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3219         * config/sh/sh.c: Include reload.h.
3220         (sh_legitimize_reload_address): New.
3221         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3222         sh_legitimize_reload_address.
3223
3224 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3225
3226         * config/sh/sh.md (*movqi_pop): New insn pattern.
3227         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3228
3229 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3230
3231         * config/i386/i386.md (any_shiftrt): New code iterator.
3232         (shiftrt_insn): New code attribute.
3233         (shiftrt): Ditto.
3234         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3235         using any_shiftrt code iterator.
3236         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3237         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3238         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3239         pattern from corresponding peephole2 patterns.
3240         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3241         using any_shiftrt code iterator.
3242         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3243         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3244         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3245         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3246         *{ashr,lshr}<mode>3_cmp_zext.
3247         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3248
3249 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3250
3251         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3252         scratch register.
3253         (*lshr<mode>3_cconly): Ditto.
3254
3255 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3256
3257         * config/i386/i386.md (lshr<mode>3): Macroize expander from
3258         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3259         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3260         pattern from *lshr{di,ti}3_1 and corresponding splitters using
3261         DWI mode iterator.
3262         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3263         from corresponding peephole2 patterns.
3264         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3265         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3266         and *lshrdi3_1_rex64 using SWI mode iterator.
3267         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3268         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3269         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3270         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3271         and *lshrdi3_cmp_rex64 using SWI mode iterator.
3272         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3273         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3274         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3275         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3276         SWI mode iterator.
3277
3278 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
3279
3280         * config/i386/i386.md (ashr<mode>3): Macroize expander from
3281         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3282         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3283         pattern from *ashr{di,ti}3_1 and corresponding splitters using
3284         DWI mode iterator.
3285         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3286         from corresponding peephole2 patterns.
3287         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3288         (ashrsi3_cvt): Rename from ashrsi3_31.
3289         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3290         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3291         and x86_64_shift_adj_3 using SWI48 mode iterator.
3292         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3293         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3294         and *ashrdi3_1_rex64 using SWI mode iterator.
3295         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3296         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3297         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3298         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3299         and *ashrdi3_cmp_rex64 using SWI mode iterator.
3300         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3301         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3302         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3303         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3304         SWI mode iterator.
3305         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3306         * config/i386/i386.c (ix86_split_ashr): Update for renamed
3307         x86_shift<mode>_adj_3 expanders.
3308
3309 2010-04-10  Wei Guozhi  <carrot@google.com>
3310
3311         PR target/42601
3312         * config/arm/arm.c (arm_pic_static_addr): New function.
3313         (legitimize_pic_address): Call arm_pic_static_addr when it detects
3314         a static symbol.
3315         (arm_output_addr_const_extra): Output expression for new pattern.
3316         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3317
3318 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
3319
3320         * ira-costs.c (record_reg_classes): Ignore alternatives that are
3321         not enabled.
3322
3323         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3324         * web.c: Include "insn-config.h" and "recog.h".
3325         (union_match_dups): New function.
3326         (web_main): Call it.
3327         (union_defs): Don't try to recognize match_dups.
3328
3329         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3330         if doing so would replace the entire pattern.
3331
3332 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3333
3334         PR target/43707
3335         PR target/43709
3336         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3337         and splitter pattern.  Change splitter operand 1 predicate to
3338         nonmemory_operand.
3339
3340 2010-04-09  Martin Jambor  <mjambor@suse.cz>
3341
3342         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3343         lattices are addresses of CONST_DECLs with the same initial value.
3344         (ipcp_print_all_lattices): Print values of CONST_DECLs.
3345         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3346
3347 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
3348             Bernd Schmidt  <bernds@codesourcery.com>
3349
3350         * loop-invariant.c (replace_uses): New static function.
3351         (move_invariant_reg): Use it to ensure we can replace the uses.
3352
3353 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
3354
3355         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3356         function template.
3357         (picochip_override_options): Enable section anchors only above -O1.
3358         (picochip_reorg): Fixed a couple of build warnings.
3359
3360 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3361
3362         * configure.ac (plugin -rdynamic test): Log result.
3363         * configure: Regenerate.
3364         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3365         (RDYNAMIC_SPEC): Define.
3366         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3367
3368 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3369
3370         * configure.ac: Determine Sun ld version numbers.
3371         (comdat_group): Restrict GNU ld version checks to gld.
3372         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3373         (enable_comdat): Support --enable-comdat.
3374         * configure: Regenerate.
3375         * doc/install.texi (Configuration): Document --enable-comdat.
3376
3377 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3378
3379         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
3380         * config/sol2-gld.h: ... here.
3381         * config.gcc (sparc*-*-solaris2*): Reflect this.
3382         (i[34567]86-*-solaris2*): Use it.
3383
3384 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
3385
3386         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3387         setup_clocks_p.
3388         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3389
3390 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3391
3392         PR 42965
3393         * diagnostic.c (diagnostic_initialize): Initialize
3394         some_warnings_are_errors.
3395         (diagnostic_finish): New.
3396         (diagnostic_action_after_output): Call it before exiting.
3397         (diagnostic_report_diagnostic): Do not print message here. Set
3398         some_warnings_are_errors.
3399         * diagnostic.h (diagnostic_context): Delete
3400         issue_warnings_are_errors_message. Add some_warnings_are_errors.
3401         (diagnostic_finish): Declare.
3402         * toplev.c (toplev_main): Call it before exit.
3403
3404 2010-04-09  Jason Merrill  <jason@redhat.com>
3405
3406         PR c++/42623
3407         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3408         for incomplete type.
3409
3410         PR c++/41788
3411         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3412         based on a warning flag.
3413
3414 2010-04-09  Richard Guenther  <rguenther@suse.de>
3415
3416         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3417
3418 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
3419
3420         PR bootstrap/43684
3421         * varasm.c (default_assemble_visibility): Wrap vars that are
3422         set, but unused, by targets without GAS.
3423         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3424         Remove set, but unused, vars.
3425         (rs6000_legitimize_tls_address): Likewise.
3426         (altivec_expand_dst_builtin): Likewise.
3427         * config/darwin.c (machopic_classify_symbol): Likewise.
3428         (machopic_indirection_name): Likewise.
3429
3430 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3431
3432         * config/i386/i386.md (DWI): New mode iterator.
3433         (S): New mode attribute.
3434         (shift_operand): Ditto.
3435         (shift_immediate_operand): Ditto.
3436         (ashl_input_operand): Ditto.
3437         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3438         using SDWIM mode iterator.
3439         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3440         pattern from *ashl{di,ti}3_1 and corresponding splitters using
3441         DWI mode iterator.
3442         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3443         from corresponding peephole2 patterns.
3444         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3445         and x86_64_shift_adj_1 using SWI48 mode iterator.
3446         (x86_shift<mode>_adj_2): Ditto.
3447         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3448         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3449         using SWI48 mode iterator.
3450         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3451         *ashldi3_cmp_rex64 using SWI mode iterator.
3452         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3453         *ashldi3_cconly_rex64 using SWI mode iterator.
3454         * config/i386/i386.c (ix86_split_ashl): Update for renamed
3455         x86_shift<mode>_adj_{1,2}.
3456         (ix86_split_ashr): Ditto.
3457         (ix86_split_lshr): Ditto.
3458
3459 2010-04-09  Richard Guenther  <rguenther@suse.de>
3460
3461         * target.h (builtin_conversion): Pass in input and output types.
3462         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3463         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3464         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3465         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3466
3467         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3468         Handle AVX modes.
3469         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3470
3471 2010-04-09  Richard Guenther  <rguenther@suse.de>
3472
3473         PR target/43152
3474         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3475
3476 2010-04-09  Richard Guenther  <rguenther@suse.de>
3477
3478         * tree-vectorizer.h (struct _stmt_vec_info): Document
3479         that vectype is the type of the LHS.
3480         (supportable_widening_operation, supportable_narrowing_operation):
3481         Get both input and output vector types as arguments.
3482         (vect_is_simple_use_1): Declare.
3483         (get_same_sized_vectype): Likewise.
3484         * tree-vect-loop.c (vect_determine_vectorization_factor):
3485         Set STMT_VINFO_VECTYPE to the vector type of the def.
3486         (vectorizable_reduction): Adjust.
3487         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3488         Adjust.  Specify the output vector type.
3489         (vect_pattern_recog_1): Adjust.
3490         * tree-vect-stmts.c (get_same_sized_vectype): New function.
3491         (vectorizable_call): Adjust.
3492         (vectorizable_conversion): Likewise.
3493         (vectorizable_operation): Likewise.
3494         (vectorizable_type_demotion): Likewise.
3495         (vectorizable_type_promotion): Likewise.
3496         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3497         the def.
3498         (vect_is_simple_use_1): New function.
3499         (supportable_widening_operation): Get both input and output
3500         vector types.
3501         (supportable_narrowing_operation): Likewise.
3502         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3503
3504 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
3505
3506         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3507         __thiscall and _thiscall as predefined macros.
3508         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3509         thiscall attribute handling.
3510         (ix86_comp_type_attributes): Likewise.
3511         (ix86_function_regparm): Likewise.
3512         (ix86_return_pops_args): Likewise.
3513         (init_cumulative_args): Likewise.
3514         (find_drap_reg): Likewise.
3515         (ix86_static_chain): Likewise.
3516         (x86_this_parameter): Likewise.
3517         (x86_output_mi_thunk): Likewise.
3518         (ix86_attribute_table): Add description for thiscall attribute.
3519         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3520         * doc/extend.texi: Add documentation for thiscall.
3521
3522 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3523
3524         PR c++/28584
3525         * c.opt (Wint-to-pointer-cast): Available in C++.
3526         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3527
3528 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
3529
3530         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3531         * calls.c (expand_call): Pass the function type to aggregate_value_p.
3532         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3533         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
3534         function type instead.  Reorder and simplify checks.
3535
3536         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3537
3538 2010-04-08  Jing Yu  <jingyu@google.com>
3539             Zdenek Dvorak  <ook@ucw.cz>
3540
3541         PR tree-optimization/42720
3542         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3543         loop unswitch conditions here from ...
3544         (tree_unswitch_single_loop): ... here.
3545
3546 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3547
3548         * tree-if-conv.c: Fix comments and simplify logic.
3549
3550 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3551
3552         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3553         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
3554         (main_tree_if_conversion): Update call to tree_if_conversion.
3555
3556 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3557
3558         PR 42485
3559         * doc/invoke.texi (-b,-V): Delete.
3560         * doc/tm.texi: Do not mention -b.
3561         * gcc.c (display_help): Delete -b and -V.
3562         (process_command): Delete -b and -V.
3563         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3564
3565 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
3566             Wolfgang Gellerich  <gellerich@de.ibm.com>
3567
3568         Implement target hook for loop unrolling
3569         * target.h (loop_unroll_adjust): Add a new target hook function.
3570         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3571         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3572         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3573         (s390_loop_unroll_adjust): Implement the new target hook for s390.
3574         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3575         target hook.
3576         (decide_unroll_stupid): Likewise.
3577
3578 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3579
3580         PR target/43643
3581         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3582
3583 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3584
3585         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3586         (Specific, *-*-solaris2*): Likewise.
3587         Don't prefer Sun as over GNU as.
3588
3589 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
3590
3591         * config/s390/s390.c (override_options): Adjust the z10
3592           defaults for max-unroll-times, max-completely-peeled-insns
3593           and max-completely-peel-times.
3594
3595 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3596
3597         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3598         instructions for z10.
3599         (s390_expand_setmem): Likewise.
3600         (s390_expand_cmpmem): Likewise.
3601
3602 2010-04-08  Richard Guenther  <rguenther@suse.de>
3603
3604         PR tree-optimization/43679
3605         * tree-ssa-pre.c (eliminate): Only propagate copies.
3606
3607 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3608
3609         PR bootstrap/43681
3610         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3611         set but not used variable warning.
3612
3613 2010-04-08  Wei Guozhi  <carrot@google.com>
3614
3615         PR target/41653
3616         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3617         (arm_size_rtx_costs): Call the new function when optimized for size.
3618
3619 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3620
3621         PR debug/43670
3622         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3623         op0 is not a MEM, just return NULL instead of assertion
3624         failure.
3625         (discover_nonconstant_array_refs): Don't walk debug stmts.
3626
3627 2010-04-08  Doug Kwan  <dougkwan@google.com>
3628
3629         * configure.ac: Recognize gold and do not use its version number
3630         to test ld features.
3631         * configure: Regenerate.
3632
3633 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
3634
3635         PR middle-end/40815
3636         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3637         (negate_value): Move code to push elements to broken_up_substracts ...
3638         (eliminate_plus_minus_pair): ... here.  Push operands that have no
3639         negative pair to plus_negates.
3640         (repropagate_negates, init_reassoc, fini_reassoc): Update.
3641
3642 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3643
3644         * doc/install.texi (Configuration): Move description of
3645         --enable-lto, --with-libelf*, --enable-gold from Java section to
3646         general section.
3647
3648         * doc/generic.texi (Working with declarations)
3649         (Function Properties, C and C++ Trees): Fix typos.
3650         * doc/sourcebuild.texi (Top Level): Likewise.
3651
3652 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3653
3654         PR c/18624
3655         * tree.h (DECL_READ_P): Define.
3656         (struct tree_decl_common): Add decl_read_flag.
3657         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3658         a set but not used warning.
3659         (merge_decls): Merge DECL_READ_P flag.
3660         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3661         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3662         * c-common.c (handle_used_attribute, handle_unused_attribute):
3663         Likewise.
3664         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3665         New prototypes.
3666         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3667         New functions.
3668         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3669         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3670         c_parser_binary_expression, c_parser_cast_expression,
3671         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3672         Call default_function_array_read_conversion instead of
3673         default_function_array_conversion where needed.
3674         (c_parser_unary_expression, c_parser_conditional_expression,
3675         c_parser_postfix_expression_after_primary, c_parser_initelt):
3676         Likewise.  Call mark_exp_read where needed.
3677         (c_parser_statement_after_labels, c_parser_asm_operands,
3678         c_parser_typeof_specifier, c_parser_sizeof_expression,
3679         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3680         where needed.
3681         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3682         New.
3683         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3684         (warn_unused_but_set_parameter): Default to warn_unused
3685         && extra_warnings.
3686         * doc/invoke.texi: Document -Wunused-but-set-variable and
3687         -Wunused-but-set-parameter.
3688
3689         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3690         used count variable.
3691         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3692         when operandN variables aren't used in the body of the expander
3693         or splitter.
3694         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3695         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3696         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3697         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3698         FOR_EACH_IMM_USE_ON_STMT): Likewise.
3699         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3700         * tree.c (PROCESS_ARG): Likewise.
3701
3702 2010-04-07  Simon Baldwin  <simonb@google.com>
3703
3704         * diagnostic.h (diagnostic_override_option_index): New macro to
3705         set a diagnostic's option_index.
3706         * c-tree.h (c_cpp_error): Add warning reason argument.
3707         * opts.c (_warning_as_error_callback): New.
3708         (register_warning_as_error_callback): Store callback for
3709         warnings enabled via enable_warning_as_error.
3710         (enable_warning_as_error): Call callback, minor code tidy.
3711         * opts.h (register_warning_as_error_callback): Declare.
3712         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3713         response to -Werror=.
3714         (c_common_init_options): Register warning_as_error_callback in opts.c.
3715         * common.opt: Add -Wno-cpp option.
3716         * c-common.c (struct reason_option_codes_t): Map cpp warning
3717         reason codes to gcc option indexes.
3718         * (c_option_controlling_cpp_error): New function, lookup the gcc
3719         option index for a cpp warning reason code.
3720         * (c_cpp_error): Add warning reason argument, call
3721         c_option_controlling_cpp_error for diagnostic_override_option_index.
3722         * doc/invoke.texi: Document -Wno-cpp.
3723
3724 2010-04-07  Richard Guenther  <rguenther@suse.de>
3725
3726         * ipa-reference.c (mark_load): Use get_base_address.
3727         (mark_store): Likewise.
3728
3729         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3730         inserting GIMPLE_NOPs into the IL.
3731         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3732         Explicitly strip handled components and indirect references.
3733
3734         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3735         folding address expressions.
3736         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3737         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3738         operand_equal_p to compare decls.
3739         (ptr_deref_may_alias_decl_p): Likewise.
3740         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3741         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3742         Handle reversed comparison ops.
3743         * tree-sra.c (asm_visit_addr): Use get_base_address.
3744         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3745         * ipa-reference.c (mark_address): Use get_base_address.
3746
3747 2010-04-07  Richard Guenther  <rguenther@suse.de>
3748
3749         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3750         Propagate constants everywhere.
3751
3752 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3753
3754         PR debug/43516
3755         * tree.c (MAX_INT_CACHED_PREC): Define.
3756         (nonstandard_integer_type_cache): New array.
3757         (build_nonstandard_integer_type): Cache results for precision
3758         <= MAX_INT_CACHED_PREC.
3759
3760 2010-04-07  Richard Guenther  <rguenther@suse.de>
3761
3762         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3763         -fargument-noalias-global, -fargument-noalias-anything): Remove.
3764         * common.opt: Likewise.
3765         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3766         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3767         (nonoverlapping_memrefs_p): Likewise.
3768         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3769         * opts.c (common_handle_option): Handle OPT_fargument_alias,
3770         OPT_fargument_noalias, OPT_fargument_noalias_anything and
3771         OPT_fargument_noalias_global for backward compatibility.
3772
3773 2010-04-07  Richard Guenther  <rguenther@suse.de>
3774
3775         PR tree-optimization/43270
3776         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3777         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3778         * tree-ssa-pre.c (phi_translate_1): Adjust.
3779         (fully_constant_expression): Split out vn_reference handling to ...
3780         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3781         Fold reads from constant strings.
3782         (vn_reference_lookup): Handle fully constant references.
3783         (vn_reference_lookup_pieces): Likewise.
3784         * Makefile.in (expmed.o-warn): Add -Wno-error.
3785
3786 2010-04-07  Martin Jambor  <mjambor@suse.cz>
3787
3788         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3789
3790 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
3791
3792         PR driver/41594
3793         * gcc.c: Add -static-libstdc++ to list of recognized options.
3794
3795 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3796
3797         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3798
3799 2010-04-07  Richard Guenther  <rguenther@suse.de>
3800
3801         PR middle-end/42617
3802         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3803         bases build simple mem attributes to retain points-to information.
3804
3805 2010-04-07  Richard Guenther  <rguenther@suse.de>
3806
3807         PR middle-end/42617
3808         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3809         preserve points-to related information.
3810
3811 2010-04-07  Richard Guenther  <rguenther@suse.de>
3812
3813         PR middle-end/42617
3814         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3815         discard plain indirect references.
3816         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3817         * tree.c (tree_nop_conversion): Likewise.
3818
3819 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
3820
3821         PR debug/43628
3822         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3823
3824 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
3825
3826         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3827         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3828
3829 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3830
3831         * tree-if-conv.c: Fix indentation and comments.
3832
3833 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3834
3835         * tree-if-conv.c: Sort static functions in topological order.
3836
3837 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3838
3839         * tree-if-conv.c: Fix indentation and comments.
3840
3841 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3842
3843         PR middle-end/43519
3844         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3845         lang_hooks.types.type_for_size instead of
3846         build_nonstandard_integer_type.
3847         When converting an unsigned type to signed, double its precision.
3848         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3849         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3850         (graphite_create_new_loop_guard): When ub + 1 wraps around,
3851         use lb <= ub.
3852
3853 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3854
3855         PR middle-end/43519
3856         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3857         POINTER_PLUS_EXPR for pointer types.
3858
3859 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3860
3861         PR middle-end/43519
3862         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3863         * graphite-clast-to-gimple.c: Include langhooks.h.
3864         (max_signed_precision_type): New.
3865         (max_precision_type): Takes two types as arguments.
3866         (precision_for_value): New.
3867         (precision_for_interval): New.
3868         (gcc_type_for_interval): New.
3869         (gcc_type_for_value): New.
3870         (gcc_type_for_clast_term): New.
3871         (gcc_type_for_clast_red): New.
3872         (gcc_type_for_clast_bin): New.
3873         (gcc_type_for_clast_expr): Split up into several functions.
3874         (gcc_type_for_clast_eq): Rewritten.
3875         (compute_bounds_for_level): New.
3876         (compute_type_for_level_1): New.
3877         (compute_type_for_level): New.
3878         (gcc_type_for_cloog_iv): Removed.
3879         (gcc_type_for_iv_of_clast_loop): Rewritten.
3880         (graphite_create_new_loop): Compute the lower and upper bound types
3881         with gcc_type_for_clast_expr.
3882         (graphite_create_new_loop_guard): Same.
3883         (find_cloog_iv_in_expr): Removed.
3884         (compute_cloog_iv_types_1): Removed.
3885         (compute_cloog_iv_types): Removed.
3886         (gloog): Do not call compute_cloog_iv_types.
3887         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3888         GBB_CLOOG_IV_TYPES.
3889         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3890         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3891         (GBB_CLOOG_IV_TYPES): Removed.
3892
3893 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3894
3895         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3896         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3897         (detect_commutative_reduction): Same.
3898
3899 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3900
3901         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3902         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
3903         argument.
3904         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3905         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3906         (rewrite_commutative_reductions_out_of_ssa): Same.
3907         * passes.c (execute_function_todo): Call verify_ssa for every pass
3908         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
3909         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3910         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3911         with an extra argument.
3912         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
3913         verify_ssa only when the extra argument is true.
3914         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3915         with an extra argument.
3916         (tree_transform_and_unroll_loop): Same.
3917
3918 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3919
3920         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3921         for all the passes of the LNO having LOOP_CLOSED_SSA.
3922         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3923         * tree-loop-distribution.c (pass_loop_distribution): Same.
3924         * tree-pass.h (TODO_verify_loops): Removed.
3925         * tree-ssa-loop.c (pass_tree_loop_init): Same.
3926         (pass_lim): Same.
3927         (pass_tree_unswitch): Same.
3928         (pass_predcom): Same.
3929         (pass_vectorize): Same.
3930         (pass_linear_transform): Same.
3931         (pass_graphite_transforms): Same.
3932         (pass_iv_canon): Same.
3933         (pass_complete_unroll): Same.
3934         (pass_complete_unrolli): Same.
3935         (pass_parallelize_loops): Same.
3936         (pass_loop_prefetch): Same.
3937         (pass_iv_optimize): Same.
3938
3939 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
3940
3941         PR middle-end/32824
3942         * passes.c (init_optimization_passes): Move pass_lim before
3943         pass_copy_prop and pass_dce_loop.
3944
3945 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3946
3947         PR target/43667
3948         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3949         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3950         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3951         MULTI_* defines for 4 argument vpermil2p* builtins.
3952
3953 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3954
3955         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3956         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3957         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3958         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3959         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3960         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3961         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3962         Use x86_maybe_negate_const_int to output insn mnemonic.
3963         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3964         check from instruction predicate.  Update comments.
3965         * config/i386/sync.md (sync_add<mode>): Use
3966         x86_maybe_negate_const_int to output insn mnemonic.
3967
3968 2010-04-06  Jan Hubicka  <jh@suse.cz>
3969
3970         PR tree-optimization/42906
3971         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3972         IGNORE_SELF argument.  Set visited_control_parents for fully
3973         processed BBs.
3974         (find_obviously_necessary_stmts): Update call of
3975         mark_control_dependent_edges_necessary.
3976         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3977
3978 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3979
3980         * config/i386/i386.md: Remove comment about 'e' and 'E'
3981         operand modifier.
3982
3983 2010-04-06  Richard Guenther  <rguenther@suse.de>
3984
3985         PR tree-optimization/43627
3986         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3987         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3988         not varying.
3989
3990 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3991
3992         * BASE-VER: Change to 4.6.0.
3993
3994         PR target/43638
3995         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3996         handling.
3997
3998 2010-04-06  Richard Guenther  <rguenther@suse.de>
3999
4000         PR middle-end/43661
4001         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
4002
4003 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4004
4005         * doc/invoke.texi (Optimize Options): Document that LTO
4006         won't remove object access purely due to incompatible
4007         declarations.
4008
4009 2010-04-04  Matthias Klose  <doko@ubuntu.com>
4010
4011         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
4012         Initialize variable.