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2010-05-10 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-10  Richard Guenther  <rguenther@suse.de>
2
3         PR tree-optimization/44050
4         * tree-inline.c (tree_function_versioning): Clone the ipa-pta
5         flag.
6
7 2010-05-10  Wei Guozhi  <carrot@google.com>
8
9         PR target/42879
10         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
11
12 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
13
14         PR c/10676
15         * c-typeck.c (lookup_field): Take a type directly.  Update
16         recursive calls.
17         (build_component_ref): Update call to lookup_field.
18         (set_init_label): Use lookup_field to find initialized field.
19         Handle returned list of fields like a sequence of designators.
20
21 2010-05-09  Richard Guenther  <rguenther@suse.de>
22
23         PR middle-end/44024
24         * fold-const.c (tree_single_nonzero_warnv_p): Properly
25         handle &FUNCTION_DECL.
26
27 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
28
29         PR c/4784
30         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
31         structures and unions recursively.
32         (detect_field_duplicates): Move duplicate detection with a hash to
33         detect_field_duplicates_hash.  Always use a hash if anonymous
34         structures or unions are present.
35         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
36         give errors.
37
38 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
39
40         PR target/44046
41         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
42         detect Atom, Core 2 and Core i7.
43
44 2010-05-09  Richard Guenther  <rguenther@suse.de>
45
46         * gcc.c (store_arg): Handle temporary file deletion for
47         joined arguments.
48
49 2010-05-09  Richard Guenther  <rguenther@suse.de>
50
51         PR middle-end/44043
52         * ipa-inline.c (estimate_function_body_sizes): Return after
53         disregarding inline limits.
54
55 2010-05-09  Richard Guenther  <rguenther@suse.de>
56
57         * gcc.c (store_arg): Revert last change.
58
59 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
60
61         PR middle-end/28685
62         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
63         (optimize_ops_list): Call it.
64
65 2010-05-08  Richard Guenther  <rguenther@suse.de>
66
67         PR tree-optimization/44030
68         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
69         NECESSARY flag if we propagate from a inserted expression.
70
71 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
72
73         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
74         domain types as equal if they are both PLACEHOLDER_EXPRs.
75
76 2010-05-08  Richard Guenther  <rguenther@suse.de>
77
78         * lto-wrapper.c (run_gcc): Remove linker output from
79         command line for LTRANS invocation.
80
81 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
82
83         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
84         lto-macho as lto_binary_reader.
85         * target.h (struct gcc_target): New hooks lto_start and lto_end.
86         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
87         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
88         in lto_start and lto_end calls.
89         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
90         magic numbers.
91         (scan_prog_file): Update is_elf_or_coff call.
92         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
93
94         * collect2.c (main): Fix enum comparison.
95
96         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
97         Add prototypes.
98         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
99         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
100         and TARGET_ASM_LTO_END.
101         * darwin.c: Include obstack.h and lto-streamer.h.
102         (lto_section_names_offset, lto_section_names_obstack,
103         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
104         global variables.
105         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
106         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
107         to a temporary file.
108         (darwin_asm_lto_end): New function.  Restore asm_out_file.
109         (darwin_asm_named_section): For LTO sections, replace the name with
110         the offset of the section name in a string table, and build this
111         table.
112         (darwin_file_start): Initialize global vars for LTO support.
113         (darwin_file_end): If output to asm_out_file was redirected, append it
114         to the proper asm_out_file here.  Add the section names section.
115
116 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
117
118         * c-pragma.c (pending_weak_d, pending_weak): New.
119         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
120         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
121         handle_pragma_weak): Update the uses of pending_weaks.
122
123 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
124
125         PR documentation/44016
126         * doc/standards.texi (Standards): Link to unversioned
127         cxx0x_status.html page.
128
129 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
130
131         PR target/43708
132         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
133         in addition to TREE_USED, to avoid "set but unused" warnings.
134
135 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
136
137         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
138         (is_loop_prefetching_profitable): Do not insert prefetches
139         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
140         times the prefetch ahead distance.
141
142 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
143
144         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
145         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
146         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
147         the unroll_factor.
148
149 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
150
151         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
152         a diagnostic info when the insn-to-mem ratio is too small.
153
154 2010-05-07  Richard Guenther <rguenther@suse.de>
155
156         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
157         the linker plugin.
158         (store_arg): Queue temp_filename for deletion instead of
159         the whole argument.
160
161 2010-05-07  Richard Guenther  <rguenther@suse.de>
162
163         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
164         (run_gcc): Handle LTRANS phase invocation.
165         * collect2.c (maybe_run_lto_and_relink): Do not set
166         WPA_SAVE_LTRANS.
167
168 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
169
170         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
171         this is also meaningful on PARM_DECLs and RESULT_DECLs.
172
173 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
174
175         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
176
177 2010-05-07  Richard Guenther  <rguenther@suse.de>
178
179         PR tree-optimization/44020
180         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
181         code when PRE is not yet initialized.
182
183 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
184
185         * config/mips/dbxmdebug.h: Remove.
186         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
187
188 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
189
190         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
191         with null pointer and also warn about ordered comparison of zero with
192         pointer if -Wextra.
193
194 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
195
196         * graphite-blocking.c
197         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
198         * graphite-clast-to-gimple.c
199         (clast_to_gcc_expression): Same.
200         (precision_for_value): Same.
201         (precision_for_interval): Same.
202         (gcc_type_for_interval): Same.
203         (graphite_create_new_guard): Same.
204         (compute_bounds_for_level): Same.
205         (graphite_create_new_loop_guard): Same.
206         * graphite-interchange.c
207         (build_linearized_memory_access): Same.
208         (pdr_stride_in_loop): Same.
209         (memory_strides_in_loop_1): Same.
210         (memory_strides_in_loop): Same.
211         (extend_scattering): Same.
212         (psct_scattering_dim_for_loop_depth): Same.
213         (pbb_number_of_iterations): Same.
214         * graphite-poly.h
215         (debug_iteration_domains): Same.
216         * graphite-ppl.c
217         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
218         (ppl_set_inhomogeneous_gmp): Same.
219         (ppl_strip_loop): Same.
220         (ppl_lexico_compare_linear_expressions): Same.
221         (ppl_read_polyhedron_matrix): Same.
222         (ppl_max_for_le_pointset): Same.
223         * graphite-ppl.h
224         (ppl_read_polyhedron_matrix): Same.
225         (tree_int_to_gmp): Same.
226         (gmp_cst_to_tree): Same.
227         (ppl_set_inhomogeneous): Same.
228         (ppl_set_inhomogeneous_tree): Same.
229         (ppl_set_coef): Same.
230         (ppl_set_coef_tree): Same.
231         * graphite-sese-to-poly.c
232         (build_pbb_scattering_polyhedrons): Same.
233         (build_scop_scattering): Same.
234         (scan_tree_for_params_right_scev): 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         (add_condition_to_domain): Same.
241         (pdr_add_memory_accesses): Same.
242
243 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
244
245         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
246         CLooG's value_* macros to their respective mpz_* counterparts.
247         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
248         (graphite_create_new_loop_guard): Same.
249         * graphite-interchange.c (build_linearized_memory_access): Same.
250         (pdr_stride_in_loop): Same.
251         (memory_strides_in_loop_1): Same.
252         (1st_interchange_profitable_p): Same.
253         * graphite-poly.c (extend_scattering): Same.
254         (psct_scattering_dim_for_loop_depth): Same.
255         (pbb_number_of_iterations): Same.
256         (pbb_number_of_iterations_at_time): Same.
257         * graphite-poly.h (new_1st_loop): Same.
258         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
259         (oppose_constraint): Same.
260         (insert_constraint_into_matrix): Same.
261         (ppl_set_inhomogeneous_gmp): Same.
262         (ppl_set_coef_gmp): Same.
263         (ppl_strip_loop): Same.
264         (ppl_lexico_compare_linear_expressions): Same.
265         (ppl_max_for_le_pointset): Same.
266         (ppl_min_for_le_pointset): Same.
267         (ppl_build_realtion): Same.
268         * graphite-ppl.h (gmp_cst_to_tree): Same.
269         (ppl_set_inhomogeneous): Same.
270         (ppl_set_inhomogeneous_tree): Same.
271         (ppl_set_coef): Same.
272         (ppl_set_coef_tree): Same.
273         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
274         (build_scop_scattering): Same.
275         (add_value_to_dim): Same.
276         (scan_tree_for_params_right_scev): Same.
277         (scan_tree_for_params_int): Same.
278         (scan_tree_for_params): Same.
279         (find_params_in_bb): Same.
280         (find_scop_parameters): Same.
281         (add_upper_bounds_from_estimated_nit): Same.
282         (build_loop_iteration_domains): Same.
283         (create_linear_expr_from_tree): Same.
284         (add_condition_to_domain): Same.
285         (pdr_add_memory_accesses): Same.
286
287 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
288             Jason Merrill  <jason@redhat.com>
289
290         * c-common.c (c_common_reswords): Add nullptr.
291         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
292         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
293         (gen_type_die_with_usage): Likewise.
294         * dbxout.c (dbxout_type): Likewise.
295         * sdbout.c (plain_type_1): Likewise.
296
297 2010-05-06  Jason Merrill  <jason@redhat.com>
298
299         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
300         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
301         ret appropriately.
302         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
303
304         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
305         stripping WITH_SIZE_EXPR.
306         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
307         change.
308
309 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
310
311         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
312         list of obsolete configurations.
313         Disabled check for obsolete configurations.
314         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
315         Removed support for previous versions.
316         * config/mips/iris.h: Removed.
317         * config/mips/iris5.h: Removed.
318         * config/mips/iris6.h: Merged old iris.h contents.
319         (TARGET_IRIX): Removed.
320         (DRIVER_SELF_SPECS): Removed mabi=32.
321         (IDENT_ASM_OP): Removed undef.
322         (STARTFILE_SPEC): Removed mabi=32.
323         (ENDFILE_SPEC): Likewise.
324         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
325         (MACHINE_TYPE): Update for IRIX 6.5.
326         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
327         TARGET_IRIX by TARGET_IRIX6.
328         (mips_file_start): Likewise.
329         (mips_output_external): Remove IRIX 5/6 O32 support.
330         (mips_output_function_prologue): Likewise.
331         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
332         TARGET_IRIX6.
333         (TARGET_CPU_CPP_BUILTINS): Likewise.
334         (TARGET_IRIX): Removed.
335         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
336         (MULTILIB_DIRNAMES): Removed 32.
337         (MULTILIB_OSDIRNAMES): Removed ../lib.
338         * doc/install.texi (Prerequisites): Don't reference IRIX before
339         6.5.
340         (Specific, mips-sgi-irix5): Document removal.
341         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI
342         removal.
343         Remove references to older IRIX 6 releases and the O32 ABI.
344
345 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
346
347         * gcc.dg/Wunused-var-8.c: Move to...
348         * c-c++-common/Wunused-var-6.c: ... here.  New test.
349
350         PR bootstrap/43994
351         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
352         instead of DF_REF_REAL_REG.
353
354 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
355
356         PR target/43888
357         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
358         handling to still return true for x64 targets.
359
360 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
361
362         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
363
364 2010-05-06  Jan Hubicka  <jh@suse.cz>
365
366         PR tree-optimization/43791
367         * ipa-inline.c (update_caller_keys): Remove bogus
368         disregard_inline_limits check.
369
370 2010-05-06  Michael Matz  <matz@suse.de>
371
372         PR tree-optimization/43984
373         * tree-ssa-pre.c (inserted_phi_names): Remove.
374         (inserted_exprs): Change to bitmap.
375         (create_expression_by_pieces): Set bits, don't append to vector.
376         (insert_into_preds_of_block): Don't handle inserted_phi_names.
377         (eliminate): Don't look at inserted_phi_names, remove deleted
378         insns from inserted_exprs.
379         (remove_dead_inserted_code): Adjust to use bitmaps instead of
380         vectors.
381         (init_pre, fini_pre): Allocate and free bitmaps.
382         (execute_pre): Insert insns on edges before elimination.
383
384 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
385
386         * tree.c (initializer_zerop): Handle STRING_CST.
387
388 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
389
390         PR 40989
391         * doc/invoke.texi (Wimplicit): Document as C only.
392         * opts.c (common_handle_option): Add argument kind.
393         (handle_option): Rename as read_cmdline_option. Factor out code to...
394         (handle_option): ... here. New.
395         (handle_options): Rename as read_cmdline_options.
396         (decode_options): Update call.
397         (set_option): Use option index instead of option pointer. Classify
398         diagnostics correctly.
399         (enable_warning_as_error): Call handle_option.
400         * opts.h (set_option): Update declaration.
401         (handle_option): Declare.
402         * langhooks.h (struct lang_hooks): Add argument kind to
403         handle_option.
404         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
405         * c-opts.c (set_Wimplicit): Delete.
406         (c_family_lang_mask): New static constant.
407         (c_common_handle_option): Add argument kind. Use handle_option
408         instead of set_Wimplicit.
409         (c_common_post_options): warn_implicit and warn_implicit_int
410         are disabled by default.
411         * c-common.c (warn_implicit): Do not define here.
412         * c-common.h (warn_implicit): Do not declare here.
413         (c_common_handle_option): Update declaration.
414         * lto-opts.c (lto_reissue_options): Update call to set_option.
415
416 2010-05-06  Richard Guenther  <rguenther@suse.de>
417
418         PR tree-optimization/43571
419         * domwalk.c (walk_dominator_tree): Walk the dominator
420         sons in more optimal order.
421
422 2010-05-06  Richard Guenther  <rguenther@suse.de>
423
424         PR tree-optimization/43934
425         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
426         (stmt_cost): Likewise.
427         (extract_true_false_args_from_phi): New helper.
428         (determine_max_movement): For PHI nodes verify we can hoist them
429         and compute their cost.
430         (determine_invariantness_stmt): Handle PHI nodes.
431         (move_computations_stmt): Likewise.  Hoist PHI nodes in
432         if-converted form using COND_EXPRs.
433         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI
434         nodes.
435         (tree_ssa_lim): Likewise.
436         * tree-flow.h (tree_ssa_lim): Adjust prototype.
437         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
438
439 2010-05-06  Richard Guenther  <rguenther@suse.de>
440
441         PR tree-optimization/43987
442         * tree-ssa-structalias.c (could_have_pointers): For possibly
443         address-taken variables force pointers to be recorded.
444         (create_variable_info_for_1): Likewise.
445         (push_fields_onto_fieldstack): Pass in wheter all fields
446         must have pointers.
447         (find_func_aliases): Query types instead of vars whether
448         they contain pointers where appropriate.
449
450 2010-05-06  Jan Hubicka  <jh@suse.cz>
451
452         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
453         (record_reference, mark_address, mark_load, mark_store): Record
454         references.
455         (record_references_in_initializer): Update call of record_references.
456         (rebuild_cgraph_edges): Remove all references before rebuiding.
457         * cgraph.c (cgraph_create_node): Clear ref list.
458         (cgraph_remove_node): Remove references.
459         (dump_cgraph_node): Dump references.
460         (cgraph_clone_node): Clone references.
461         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
462         (struct cgraph_node, varpool_node): Add ref_lst.
463         * ipa-ref.c: New file.
464         * ipa-ref.h: New file.
465         * ipa-ref-inline.h: New file.
466         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
467         (referenced_from_other_partition_p): New function.
468         (lto_output_varpool_node): Take set arugment; call
469         referenced_from_other_partition.
470         (lto_output_ref): New.
471         (add_references): New.
472         (output_refs): New.
473         (output_cgraph): Compute boundary based on references;
474         output refs.
475         (output_varpool): Accept cgraph_node_set argument.
476         (input_ref): New.
477         (input_refs): New.
478         (input_cgraph): Call input_refs.
479         * lto-section-in.c (lto_section_name): Add refs.
480         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
481         (ipa-ref.o): New file.
482         * varpool.c (varpool_node): Clear ipa ref list.
483         (varpool_remove_node): Remove references.
484         (dump_varpool_node): Dump references.
485         (varpool_assemble_decl): Only compile finalized ones.
486         (varpool_extra_name_alias): Initialize ref list.
487         * lto-streamer.c (lto-get_section_name): Add .refs section.
488         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
489         (referenced_from_other_partition_p): Declared.
490
491 2010-05-06  Ira Rosen  <irar@il.ibm.com>
492
493         PR tree-optimization/43901
494         * tree-vect-stmts.c (vectorizable_call): Assert that vector
495         type is not NULL if it's transformation phase, and return
496         FALSE if it's analysis.
497         (vectorizable_conversion, vectorizable_operation, 
498         vectorizable_type_demotion, vectorizable_type_promotion):
499         Likewise.
500
501 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
502
503         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
504         Delete.
505         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
506         New define.
507         * config/mips/mips-protos.h
508         (mips_small_register_classes_for_mode_p): Delete prototype.
509
510 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
511
512         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
513         * config/arm/arm.c (multiple_operation_profitable_p,
514         compute_offset_order): New static functions.
515         (load_multiple_sequence, store_multiple_sequence): Use them.
516         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
517         memory offsets, not register numbers.
518         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
519
520 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
521
522         * stor-layout.c (pending_sizes): Change the type to
523         VEC(tree,gc) *.
524         (get_pending_sizes, put_pending_size, put_pending_sizes):
525         Update the uses of pending_sizes.
526         * c-decl.c (store_parm_decls): Likewise.
527         * c-tree.h (struct c_arg_info): Likewise.
528         * tree.h: Update the prototype for get_pending_sizes and
529         put_pending_sizes.
530
531 2010-05-05  Jason Merrill  <jason@redhat.com>
532
533         PR debug/43370
534         * c-common.c (handle_aligned_attribute): Respect
535         ATTR_FLAG_TYPE_IN_PLACE.
536
537         PR testsuite/43758
538         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
539         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
540         (TARGET_INITIALIZER): Use it.
541         * c-common.c (attribute_takes_identifier_p): Call it.
542         * c-common.h: Update prototype.
543         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
544         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
545
546 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
547
548         PR debug/43950
549         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
550         DW_ID_down_case for Fortran compilation units.
551
552 2010-05-05  Jan Hubicka  <jh@suse.cz>
553
554         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
555         handle aliases.
556
557 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
558
559         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
560         a variable-sized RESULT_DECL.
561
562 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
563
564         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
565
566 2010-05-05  Jason Merrill  <jason@redhat.com>
567
568         PR c++/43787
569         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
570         returns GS_OK.
571         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
572
573 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
574             Jakub Jelinek  <jakub@redhat.com>
575
576         PR debug/43478
577         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
578         (dead_debug_init, dead_debug_finish): New functions.
579         (dead_debug_add, dead_debug_insert_before): Likewise.
580         (df_note_bb_compute): Initialize a dead_debug object, add dead
581         debug uses to it, insert debug bind insns before death insns,
582         reset debug insns that refer to pending uses at the end.
583         * rtl.h (make_debug_expr_from_rtl): New prototype.
584         * varasm.c (make_debug_expr_from_rtl): New function.
585
586 2010-05-05  Jan Hubicka  <jh@suse.cz>
587
588         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
589         (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
590         lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
591         lto_varpool_encoder_encode_initializer_p,
592         lto_set_varpool_encoder_encode_initializer): New functions.
593         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
594         call output_varpool.
595         (input_varpool_node): Do not always set analyzed.
596         (input_cgraph_1): Return vector of cgraph nodes.
597         (input_varpool_1): Return vector of varpools.
598         (input_cgraph): Free the vectors.
599         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
600         output only initializers needed.
601         (lto_output): Only call output_cgraph.
602         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
603         * lto-section-out.c (lto_new_out_decl_state): Initialize
604         state->varpool_node_encoder.
605         * lto-streamer.h (lto_varpool_encoder_d): New.
606         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.     
607         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
608         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
609         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
610         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
611         Declare.
612         (output_varpool, input_varpool): Remove declarations.
613
614 2010-05-05  Jan Hubicka  <jh@suse.cz>
615
616         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
617         with body can prevail.
618
619 2010-05-05  Jan Hubicka  <jh@suse.cz>
620
621         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
622         size.
623
624 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
625
626         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
627         dependencies.
628
629         * gengtype.h (erro_at_line): Constify pos argument.
630
631         * gengtype.c: Include hashtab.h.
632         (enum gc_used): Document GC_MAYBE_POINTED_TO.
633         (error_at_line): Constify pos argument.
634         (do_typedef): Initialize p->opt field.
635         (get_file_gtfilename): Fix comment typo.
636         (struct walk_type_data): Constify line field.
637         (get_output_file_for_structure): New function.
638         (write_local_func_for_structure): Constify orig_s argument.
639         Use get_output_file_for_structure.
640         (write_func_for_structure): Use get_output_file_for_structure.
641         (INDENT): New define.
642         (dump_pair, dump_type, dump_type_list, dump_typekind)
643         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
644         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
645         functions.
646         (seen_types): New variable.
647         (main): New variable do_dump.  Process "-d" command line option.
648         Call dump_everything if dump requested.
649
650 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
651
652         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
653         in a temporary instead of invoking the macro multiple times.
654         (track_expr_p): Likewise.
655
656 2010-05-04  Neil Vachharajani <nvachhar@google.com>
657
658         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
659         per new semantics.
660         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
661         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
662         conditions for printing notes.
663         * common.opt (-Wcoverage-mismatch): Allow negative, default to
664         true, update documentation.
665         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
666
667 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
668
669         PR c/43981
670         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
671         on dimen.
672
673 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
674
675         PR target/43799
676         * config/i386/i386.md (sse_prologue_save): Add clobber CC
677         register.
678         (*sse_prologue_save_insn1): Likewise.
679         (SSE prologue save splitter): Likewise.
680
681 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
682
683         * tree.c (free_lang_data_in_one_sizepos): New inline function.
684         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
685         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
686         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
687         all decls.  Call it on DECL_FIELD_OFFSET of fields.
688         (find_decls_types_r): Follow DECL_VALUE_EXPR.
689         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
690
691 2010-05-04  Martin Jambor  <mjambor@suse.cz>
692
693         * tree-sra.c (build_access_from_expr_1): The first parameter type
694         changed to simple tree.
695         (build_access_from_expr): Likewise, gsi parameter was eliminated.
696         (scan_assign_result): Renamed to assignment_mod_result, enum elements
697         renamed as well.
698         (build_accesses_from_assign): Removed all parameters except for a
699         simple gimple statement.  Now returns a simple bool.
700         (scan_function): All non-analysis parts moved to separate functions
701         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
702         parameters and updated both callers.
703         (sra_modify_expr): Removed parameter data.
704         (sra_modify_function_body): New function.
705         (perform_intra_sra): Call sra_modify_function_body to modify the
706         function body.
707         (replace_removed_params_ssa_names): Parameter data changed into
708         adjustments vector.
709         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
710         changed the parameter dont_convert to convert with the opposite
711         meaning.
712         (sra_ipa_modify_assign): Parameter data changed into adjustments
713         vector, return value changed to bool.
714         (ipa_sra_modify_function_body): New function.
715         (sra_ipa_reset_debug_stmts): Updated a comment.
716         (modify_function): Use ipa_sra_modify_function_body to modify function
717         body.
718
719 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
720
721         PR middle-end/43671
722         * alias.c (true_dependence): Handle the same VALUE in x and mem.
723         (canon_true_dependence): Likewise.
724         (write_dependence_p): Likewise.
725
726 2010-05-04  Jan Hubicka  <jh@suse.cz>
727
728         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
729         * cgraphbuild.c: Include ipa-utils.h
730         (record_reference_ctx): New struct.
731         (record_reference): Simplify to work on initializers; not statements.
732         (mark_address, mark_load, mark_store): New.
733         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
734         walk PHI nodes too.
735         (record_references_in_initializer): Update use of record_reference.
736         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
737         walk PHI nodes too.
738
739 2010-05-04  Jan Hubicka  <jh@suse.cz>
740
741         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
742         node will be removed anyway.
743         (lto_varpool_replace_node): Allow also unanalyzed nodes;
744         relink aliases of node into prevailing node.
745         * varpool.c (varpool_remove_node): Remove aliases properly;
746         when removing node, remove all its aliases too; remove DECL_INITIAL
747         of removed node; ggc_free the varpool node.
748
749 2010-05-04  Richard Guenther  <rguenther@suse.de>
750
751         PR tree-optimization/43879
752         * tree-ssa-structalias.c (alias_get_name): Use
753         DECL_ASSEMBLER_NAME if available.
754         (create_function_info_for): Return the varinfo node.
755         (ipa_pta_execute): Associate same-body aliases and extra names
756         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
757
758 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
759
760         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
761         static.
762
763 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
764
765         PR bootstrap/43964
766         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
767         only if HONOR_REG_ALLOC_ORDER is not defined.
768
769 2010-05-04  Richard Guenther  <rguenther@suse.de>
770
771         PR tree-optimization/43949
772         * tree-vrp.c (extract_range_from_binary_expr): Only handle
773         TRUNC_MOD_EXPR.
774
775 2010-04-26  Jason Merrill  <jason@redhat.com>
776
777         * c.opt (-fstrict-enums): New.
778         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
779
780 2010-05-03  David Ung <davidu@mips.com>
781             James E. Wilson  <wilson@codesourcery.com>
782
783         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
784         emit the trap instruction before the divide for TUNE_74K.
785
786 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
787
788         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
789         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
790         based on the above, for new target hook.
791
792         * hooks.c (hook_bool_mode_true): New generic hook.
793         * hooks.h (hook_bool_mode_true): Add prototype.
794
795         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
796         target hook.
797         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
798         target hook, set to hook_bool_mode_false.
799         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
800         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
801         with targetm.small_register_classes_for_mode_p.
802         (find_reusable_reload): Likewise.
803         (combine_reloads): Likewise.
804         * reload1.c (reload_as_needed): Likewise.
805         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
806         * ifcvt.c (noce_process_if_block, check_cond_move_block,
807         dead_or_predicable): Likewise.
808         * regmove.c (optimize_reg_copy_1): Likewise.
809         * calls.c (prepare_call_address): Likewise.
810         (precompute_register_parameters): Likewise.
811
812         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
813         hook definition.
814         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
815         implementation of the hook that considers all register classes
816         small except for SH64.
817         (sh_override_options): Use the new hook.
818         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
819         Add prototype.
820
821         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
822         hook definition.
823         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
824         implementation of the hook that considers all register classes
825         small for THUMB1.
826         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
827         Add prototype.
828
829         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
830         hook definition.
831         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
832         implementation of the hook that considers all register classes
833         small for MIPS16.
834         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
835         Add prototype.
836
837         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
838         hook definition.
839         * config/m32c/m32c.h: Likewise.
840         * config/pdp11/pdp11.h: Likewise.
841         * config/avr/avr.h: Likewise.
842         * config/xtensa/xtensa.h: Likewise.
843         * config/m68hc11/m68hc11.h: Likewise.
844         * config/mn10300/mn10300.h: Likewise.
845         * config/mcore/mcore.h: Likewise.
846         * config/h8300/h8300.h: Likewise.
847         * config/bfin/bfin.h: Likewise.
848
849         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
850         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
851
852 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
853
854         * double-int.h (tree_to_double_int): Remove macro.
855         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
856         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
857         (tree_to_double_int): New function.
858         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
859         Move ...
860         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
861
862 2010-05-03  Richard Guenther  <rguenther@suse.de>
863
864         PR tree-optimization/43971
865         * tree-ssa-structalias.c (get_constraint_for_1): Fix
866         constraints in the !flag_delete_null_pointer_checks case.
867
868 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
869
870         PR debug/43972
871         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
872         result mode matches original rtl mode.
873
874 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
875
876         PR target/43888
877         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
878
879 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
880
881         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
882         when processing flag options.
883
884 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
885
886         * gcov-iov.c (main): Change format string placeholder
887         from %#08x to 0x%08x.
888         * genchecksum.c (dosum): Change format string placeholder
889         from %#02x to 0x%02x.
890
891 2010-05-02  Richard Guenther  <rguenther@suse.de>
892
893         PR tree-optimization/43879
894         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
895
896 2010-05-02  Bruno Haible  <bruno@clisp.org>
897
898         * doc/extend.texi (Function Attributes): Fix a typo.
899
900 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
901
902         Revert:
903         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
904         placeholder from 0x%x to %#x.
905         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
906         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
907         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
908         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
909         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
910         * config/i386/i386.c (ix86_target_string): Ditto.
911         * config/i386/i386.c (output_pic_addr_const): Ditto.
912         (print_operand): Ditto.
913
914 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
915
916         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
917         placeholder from 0x%x to %#x.
918         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
919         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
920         (ASM_OUTPUT_DEBUG_DATA): Ditto.
921         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
922         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
923         * optc-gen.awk: Ditto.
924         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
925         (HOST_WIDE_INT_PRINT_HEX): Ditto.
926         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
927         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
928
929 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
930
931         * target.h (struct calls): Add function_value_regno_p field.
932         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
933         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
934         * targhooks.c (default_function_value_regno_p): New function.
935         * targhooks.h (default_function_value_regno_p): Declare function.
936         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
937         * builtins.c. (apply_result_size): (Ditto.).
938         * combine.c. (likely_spilled_retval_p): (Ditto.).
939         * mode-switching.c. Include 'target.h'.
940         (create_pre_exit): Use function_value_regno_p hook.
941         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
942         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
943         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
944
945         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
946         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
947         (ix86_function_value_regno_p): Declare as static, change argument
948         type to const unsigned int.
949         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
950
951 2010-05-01  Richard Guenther  <rguenther@suse.de>
952
953         PR tree-optimization/43949
954         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
955         types.
956         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
957
958 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
959
960         * rtl.h (CONST_DOUBLE_P): Define.
961         (rtx_to_double_int): Declare.
962         * emit-rtl.c (rtx_to_double_int): New function.
963         * dwarf2out.c (insert_double): New function.
964         (loc_descriptor, add_const_value_attribute): Clean up, use
965         rtx_to_double_int and insert_double functions.
966
967 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
968
969         * doc/extend.texi (Inline): Add missing return keyword to examples.
970         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
971         "command-line".
972
973 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
974
975         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
976         the variable part of the offset as well.  Use highest_pow2_factor for
977         all alignment checks.
978
979 2010-04-30  Richard Guenther  <rguenther@suse.de>
980
981         PR tree-optimization/43879
982         * tree-ssa-structalias.c (type_could_have_pointers): Functions
983         can have pointers.
984
985 2010-04-30  Jan Hubicka  <jh@suse.cz>
986
987         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
988         varpool.
989         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
990
991 2010-04-30  Jan Hubicka  <jh@suse.cz>
992
993         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
994         New.
995         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
996         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
997         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
998         cgraph_node_set_needs_ltrans_p): Remove.
999
1000 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1001
1002         * sdbout.c: Include vec.h, do not include varray.h.
1003         (deferred_global_decls, sdbout_global_decl,
1004         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1005         * toplev.c: Do not include varray.h.
1006         (dump_memory_report): Do not dump VARRAY statistics.
1007         * gengtype.c (open_base_file): Ignore varray.h.
1008         * Makefile.in: Update for abovementioned changes.
1009         Remove all traces of varray.c and varray.h.
1010         * varray.c: Remove file.
1011         * varray.h: Remove file.
1012
1013 2010-04-30  Jan Hubicka  <jh@suse.cz>
1014
1015         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1016         references.
1017
1018 2010-04-30  Jan Hubicka  <jh@suse.cz>
1019
1020         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1021         needed.
1022
1023 2010-04-30  Richard Guenther  <rguenther@suse.de>
1024
1025         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1026         constraints for CONSTRUCTOR.
1027
1028 2010-04-30  Richard Guenther  <rguenther@suse.de>
1029
1030         PR lto/43946
1031         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1032         first after all lowering passes.
1033
1034 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1035
1036         * toplev.c: Include varray.h for statistics dumping.
1037         * tree.h: Do not declare varray_head_tag.
1038         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1039         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1040         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1041         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1042         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1043         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1044         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1045         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1046         include varray.h.
1047         * Makefile.in: Update for abovementioned changes.
1048
1049 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1050
1051         PR debug/43942
1052         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1053
1054 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1055
1056         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1057         Use this function to do machine-specific conversion.
1058         (picochip_legitimize_reload_address): Likewise.
1059         (picochip_legitimate_address_p): Check valid base register only if
1060         strict.
1061         (picochip_check_conditional_copy): Check for modw only if opnd is
1062         register.
1063         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1064         to call the function in c.
1065         * config/picochip/picochip-protos.h
1066         (picochip_legitimize_reload_address): Define.
1067         * config/picochip/picochip.md (supported_compare1): Define.
1068
1069 2010-04-30  Jan Hubicka  <jh@suse.cz>
1070
1071         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1072         (cgraph_global_info): Remove inlined.
1073         (LTO_cgraph_tag_names): Remove.
1074         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1075         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1076         simplify cgraph tags and document.
1077         (lto_output_node): Use only LTO_cgraph_unavail_node and
1078         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1079         for_functions_valid, global info, process and output flags.
1080         (input_overwrite_node): Initialize estimated stack size and
1081         estimated growth.  Do not read flags we no longer store.
1082         (input_node): Likewise do not read info no longer stored.
1083         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1084         flag.
1085
1086 2010-04-30  Richard Guenther  <rguenther@suse.de>
1087
1088         PR tree-optimization/43879
1089         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1090         handle non-zero initializers.
1091
1092 2010-04-30  Richard Guenther  <rguenther@suse.de>
1093
1094         * builtins.c (fold_builtin_1): Delete free (0).
1095
1096 2010-04-29  Jan Hubicka  <jh@suse.cz>
1097
1098         * gengtype.c (open_base_files): Add lto-streamer.h
1099         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1100         (pass_ipa_cp): GGC collect.
1101         * toplev. (compile_file): Do not output symbols.
1102         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1103         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1104         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1105         * lto-section-in.c: Include ggc.h
1106         (lto_new_in_decl_state): Alloc in GGC.
1107         (lto_delete_in_decl_state): Likewise.
1108         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1109         Collect.
1110
1111 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1112
1113         PR target/42895
1114         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1115         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1116         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1117         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1118         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1119         account only if HONOR_REG_ALLOC_ORDER is not defined.
1120         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1121         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1122
1123 2010-04-29  Jon Grant  <04@jguk.org>
1124
1125         * collect2.c (vflag): Change type from int to bool.
1126         (debug): Likewise.
1127         (helpflag): New global bool.
1128         (main): Set vflag and debug with boolean, not integer truth values.
1129         Accept new "--help" option and output usage text if found.
1130         * collect2.h (vflag): Update prototype.
1131         (debug): Likewise.
1132
1133 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1134
1135         PR bootstrap/43936
1136         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1137
1138 2010-04-29  Richard Guenther  <rguenther@suse.de>
1139
1140         PR bootstrap/43935
1141         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1142         with ATTRIBUTE_UNUSED.
1143
1144 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1145
1146         PR target/43921
1147         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1148         INSN_P with NONDEBUG_INSN_P.
1149         (distance_non_agu_define): Likewise.
1150         (distance_agu_use): Likewise.
1151
1152 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1153
1154         From Dominique d'Humieres <dominiq@lps.ens.fr>
1155         PR bootstrap/43858
1156         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1157         test_set.
1158
1159 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1160
1161         * plugin.h (invoke_plugin_callbacks): New inline function.
1162         * plugin.c (flag_plugin_added): New global flag.
1163         (add_new_plugin): Initialize above flag.
1164         (invoke_plugin_callbacks): Rename to ...
1165         (invoke_plugin_callbacks_full): ... this.
1166
1167 2010-04-28  Jan Hubicka  <jh@suse.cz>
1168
1169         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1170         (lto_varpool_replace_node): New.
1171         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1172         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1173         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1174         * cgraph.h (varpool_node_ptr): New type.
1175         (varpool_node_ptr): New vector.
1176         (varpool_node_set_def): New structure.
1177         (varpool_node_set): New type.
1178         (varpool_node_set): New vector.
1179         (varpool_node_set_element_def): New structure.
1180         (varpool_node_set_element, const_varpool_node_set_element): New types.
1181         (varpool_node_set_iterator): New type.
1182         (varpool_node): Add prev pointers, add used_from_other_partition,
1183         in_other_partition.
1184         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1185         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1186         varpool_get_node, varpool_remove_node): Declare.
1187         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1188         varpool_node_set_size): New inlines.
1189         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1190         * tree-pass.h (varpool_node_set_def): Forward declare.
1191         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1192         (ipa_write_optimization_summaries): Update prototype.
1193         * ipa-cp.c (ipcp_write_summary): Update.
1194         * ipa-reference.c (ipa_reference_write_summary): Update.
1195         * lto-cgraph.c (lto_output_varpool_node): New static function.
1196         (output_varpool): New function.
1197         (input_varpool_node): New static function.
1198         (input_varpool_1): New function.
1199         (input_cgraph): Input varpool.
1200         * ipa-pure-const.c (pure_const_write_summary): Update.
1201         * lto-streamer-out.c (lto_output): Update, output varpool too.
1202         (write_global_stream): Kill WPA hack.
1203         (produce_asm_for_decls): Update.
1204         (output_alias_pair_p): Handle variables.
1205         (output_unreferenced_globals): Output only needed partition of varpool.
1206         * ipa-inline.c (inline_write_summary): Update.
1207         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1208         cgraph.
1209         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1210         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1211         varpool_node_set_new, varpool_node_set_add,
1212         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1213         debug_varpool_node_set): New functions.
1214         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1215         (execute_one_pass): Process new decls too.
1216         (ipa_write_summaries_2): Pass around vsets.
1217         (ipa_write_summaries_1): Likewise.
1218         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1219         to add.
1220         (ipa_write_optimization_summaries_1): Pass around vsets.
1221         (ipa_write_optimization_summaries): Likewise.
1222         * varpool.c (varpool_get_node): New.
1223         (varpool_node): Update doubly linked lists.
1224         (varpool_remove_node): New.
1225         (dump_varpool_node): More dumping.
1226         (varpool_enqueue_needed_node): Update doubly linked lists.
1227         (decide_is_variable_needed): Kill ltrans hack.
1228         (varpool_finalize_decl): Kill lto hack.
1229         (varpool_assemble_decl): Skip decls in other partitions.
1230         (varpool_assemble_pending_decls): Update doubly linkes lists.
1231         (varpool_empty_needed_queue): Likewise.
1232         (varpool_extra_name_alias): Likewise.
1233         * lto-streamer.c (lto_get_section_name): Add vars section.
1234         * lto-streamer.h (lto_section_type): Update.
1235         (output_varpool, input_varpool): Declare.
1236
1237 2010-04-28  Mike Stump  <mikestump@comcast.net>
1238
1239         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1240
1241 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1242
1243         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1244         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1245         (lto_input_ts_type_tree_pointers): Likewise.
1246         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1247         (lto_output_ts_type_tree_pointers): Likewise.
1248
1249 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1250
1251         Uniquization of constants at the Tree level
1252         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1253         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1254         bit to the end.
1255         (tree_output_constant_def): Declare.
1256         * gimplify.c (gimplify_init_constructor): When using block copy, first
1257         uniquize the constant constructor on the RHS.
1258         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1259         DECL_IN_CONSTANT_POOL flag.
1260         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1261         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1262         constant pool.
1263         (assemble_variable): Deal with symbols belonging to the tree constant
1264         pool.
1265         (get_constant_section): Add ALIGN parameter and simplify.
1266         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1267         (assemble_constant_contents): Use the expression of the VAR_DECL.
1268         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1269         (tree_output_constant_def): New global function.
1270         (mark_constant): Use the expression of the VAR_DECL.
1271         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1272         its expression.
1273         (output_object_block): Likewise and assemble the expression.
1274
1275 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1276
1277         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1278         hash_tree, eq_tree): New tree hash table.
1279         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1280         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1281         lto_orig_address_remove): Reimplement.
1282
1283 2010-04-28  Xinliang David Li  <davidxl@google.com>
1284
1285         PR c/42643
1286         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1287         (compute_uninit_opnds_pos): New function.
1288         (is_non_loop_exit_postdominating): New function.
1289         (compute_control_dep_chain): New function.
1290         (find_pdom): New function.
1291         (convert_control_dep_chain_into_preds): New function.
1292         (find_predicates): New function.
1293         (find_control_equiv_block): New function.
1294         (collect_phi_def_edges): New function.
1295         (find_def_preds): New function.
1296         (find_dom): New function.
1297         (dump_predicates): New function.
1298         (get_cmp_code): New function.
1299         (is_value_included_in): New function.
1300         (find_matching_predicate_in_rest_chains): New function.
1301         (use_pred_not_overlap_with_undef_path_pred): New function.
1302         (is_use_properly_guarded): New function.
1303         (normalize_cond_1): New function.
1304         (is_and_or_or): New function.
1305         (normalize_cond): New function.
1306         (is_gcond_subset_of): New function.
1307         (is_subset_of_any): New function.
1308         (is_or_set_subset_of): New function.
1309         (is_and_set_subset_of): New function.
1310         (is_norm_cond_subset_of): New function.
1311         (is_pred_expr_subset_of): New function.
1312         (is_pred_chain_subset_of): New function.
1313         (is_included_in): New function.
1314         (is_superset_of): New function.
1315         (find_uninit_use): New function.
1316         (warn_uninitialized_phi): New function.
1317         (compute_possibly_undefined_names): New function.
1318         (ssa_undefined_value_p): New function.
1319         (execute_late_warn_uninitialized): New function.
1320         * tree-ssa.c (ssa_undefined_value_p): Removed.
1321         (warn_uninit): Changed to extern.
1322         (warn_uninitialized_phi): Removed.
1323         (warn_uninitialized_vars): Changed to extern.
1324         (execute_late_warn_uninitialized): Removed
1325         * tree-flow.h: Add new prototypes.
1326         * timevar.def: Add new time variable.
1327         * Makefile.in: Add new build file.
1328
1329 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1330
1331         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1332         type if available.
1333
1334 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1335
1336         PR target/22224
1337         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1338
1339 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1340
1341         * cgraph.h (struct cgraph_node): New field indirect_calls.
1342         (struct cgraph_indirect_call_info): New type.
1343         (struct cgraph_edge): Removed field indirect_call. New fields
1344         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1345         (cgraph_create_indirect_edge): Declare.
1346         (cgraph_make_edge_direct): Likewise.
1347         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1348         * ipa-prop.h (struct ipa_param_call_note): Removed.
1349         (struct ipa_node_params): Removed field param_calls.
1350         (ipa_create_all_structures_for_iinln): Declare.
1351         * cgraph.c: Described indirect edges and uids in initial comment.
1352         (cgraph_add_edge_to_call_site_hash): New function.
1353         (cgraph_edge): Search also among the indirect edges, use
1354         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1355         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1356         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1357         site hash.
1358         (initialize_inline_failed): Assign a reason to indirect edges.
1359         (cgraph_create_edge_1): New function.
1360         (cgraph_create_edge): Moved some functionality to
1361         cgraph_create_edge_1.
1362         (cgraph_create_indirect_edge): New function.
1363         (cgraph_edge_remove_callee): Add an assert checking for
1364         non-indirectness.
1365         (cgraph_edge_remove_caller): Special-case indirect edges.
1366         (cgraph_remove_edge): Likewise.
1367         (cgraph_set_edge_callee): New function.
1368         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1369         (cgraph_make_edge_direct): New function.
1370         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1371         the declaration of the call statement matches.
1372         (cgraph_node_remove_callees): Special-case indirect edges.
1373         (cgraph_clone_edge): Likewise.
1374         (cgraph_clone_node): Clone also the indirect edges.
1375         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1376         indirect_call, dump count of indirect_calls edges.
1377         * ipa-prop.c (iinlining_processed_edges): New variable.
1378         (ipa_note_param_call): Create indirect edges instead of
1379         creating notes.  New parameter node.
1380         (ipa_analyze_call_uses): New parameter node, pass it on to
1381         ipa_note_param_call.
1382         (ipa_analyze_stmt_uses): Likewise.
1383         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1384         (print_edge_addition_message): Work on edges rather than on notes.
1385         (update_call_notes_after_inlining): Likewise, renamed to
1386         update_indirect_edges_after_inlining.
1387         (ipa_create_all_structures_for_iinln): New function.
1388         (ipa_free_node_params_substructures): Do not free notes.
1389         (ipa_edge_duplication_hook): Propagate bits within
1390         iinlining_processed_edges bitmap.
1391         (ipa_node_duplication_hook): Do not duplicate notes.
1392         (free_all_ipa_structures_after_ipa_cp): Renamed to
1393         ipa_free_all_structures_after_ipa_cp.
1394         (free_all_ipa_structures_after_iinln): Renamed to
1395         ipa_free_all_structures_after_iinln.g
1396         (ipa_write_param_call_note): Removed.
1397         (ipa_read_param_call_note): Removed.
1398         (ipa_write_indirect_edge_info): New function.
1399         (ipa_read_indirect_edge_info): Likewise.
1400         (ipa_write_node_info): Do not stream notes, do stream information
1401         in indirect edges.
1402         (ipa_read_node_info): Likewise.
1403         (lto_ipa_fixup_call_notes): Removed.
1404         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1405         * ipa-inline.c (pass_ipa_inline): Likewise.
1406         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1407         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1408         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1409         is_gimple_call.
1410         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1411         edges.
1412         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1413         (output_cgraph): Stream also indirect edges.
1414         (lto_output_edge): Added capability to stream indirect edges.
1415         (input_edge): Likewise.
1416         (input_cgraph_1): Likewise.
1417         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1418         of indirect edges.
1419
1420 2010-04-28  Richard Guenther  <rguenther@suse.de>
1421
1422         PR tree-optimization/43879
1423         PR tree-optimization/43909
1424         * tree-ssa-structalias.c (struct variable_info): Add
1425         only_restrict_pointers flag.
1426         (new_var_info): Initialize it.  Increment stats.total_vars here.
1427         (create_function_info_for): Do not increment stats.total_vars
1428         here.
1429         (get_function_part_constraint): Fix build with C++.
1430         (insert_into_field_list): Remove.
1431         (push_fields_onto_fieldstack): Properly merge fields.
1432         (create_variable_info_for): Split and simplify.
1433         (create_variable_info_for_1): New piece.
1434         (intra_create_variable_infos): Properly make restrict constraints
1435         from parameters.
1436
1437 2010-04-28  Richard Guenther  <rguenther@suse.de>
1438
1439         PR c++/43880
1440         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1441
1442 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1443             Jan Hubicka <hubicka@ucw.cz>
1444
1445         * doc/invoke.texi (-Wsuggest-attribute=const,
1446         -Wsuggest-attribute=pure): Document.
1447         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1448         (function_always_visible_to_compiler_p,
1449         suggest_attribute, warn_function_pure, warn_function_const):
1450         New functions.
1451         (check_call): Improve debug info.
1452         (analyze_function): Do not check availability.
1453         (add_new_function): Check availability.
1454         (propagate): Output warnings.
1455         (skip_function_for_local_pure_const): New function.
1456         (local_pure_const): Use it; output warnings.
1457         * common.opt (Wsuggest-attribute=const,
1458         Wsuggest-attribute=pure): New.
1459
1460 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1461
1462         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1463         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1464         or DW_CFA_def_cfa_offset{,_sf}.
1465
1466 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1467
1468         * tree.h: Fix truncated long macros.
1469
1470 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1471
1472         * collect2.c (TARGET_64BIT): Redefine to target's default.
1473         * tlink.c: Likewise.
1474         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1475         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1476         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1477         for underscoring __USER_LABEL_PREFIX__.
1478         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1479         (SUB_LINK_ENTRY32): New.
1480         (SUB_LINK_ENTRY64): New.
1481         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1482         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1483         (SUB_LINK_ENTRY64): New.
1484         (SUB_LINK_ENTRY): New.
1485         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1486         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1487         x64 target is choosen.
1488         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1489         * configure: Regenerated.
1490         * configure.ac (leading-mingw64-underscores): Option added.
1491
1492 2010-04-27  Jan Hubicka  <jh@suse.cz>
1493
1494         * doc/invoke.texi (-fipa-profile): Document.
1495         * opts.c (decode_options): Enable ipa-profile at -O1.
1496         * timevar.def (TV_IPA_PROFILE): Define.
1497         * common.opt (fipa-profile): Add.
1498         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1499         flag for clones.
1500         (cgraph_propagate_frequency): Handle only local ones.
1501         * tree-pass.h (pass_ipa_profile): Declare.
1502         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1503         (pass_ipa_profile): Use TV_IPA_PROFILE.
1504         * ipa.c (ipa_profile): New function.
1505         (gate_ipa_profile): Likewise.
1506         (pass_ipa_profile): New global variable.
1507         * passes.c (pass_ipa_profile): New.
1508
1509 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1510
1511         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1512
1513 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1514
1515         PR middle-end/43812
1516         * ipa.c (dissolve_same_comdat_group_list): New function.
1517         (function_and_variable_visibility): Call
1518         dissolve_same_comdat_group_list when comdat group contains external or
1519         newly local nodes.
1520         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1521         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1522
1523 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1524
1525         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1526         (const_hash_1) <VECTOR_CST>: New case.
1527         (compare_constant) <VECTOR_CST>: Likewise.
1528         <ADDR_EXPR>: Deal with LABEL_REFs.
1529         (copy_constant) <VECTOR_CST>: New case.
1530
1531 2010-04-27  Jan Hubicka  <jh@suse.cz>
1532
1533         * cgraph.c (cgraph_propagate_frequency): New function.
1534         * cgraph.h (cgraph_propagate_frequency): Declare.
1535         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1536         cgraph_propagate_frequency.
1537
1538 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1539
1540         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1541
1542 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1543
1544         PR target/40657
1545         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1546         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1547         here to determine which regs to push and how much stack to reserve.
1548
1549 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1550
1551         * doc/gimple.texi (gimple_statement_with_ops): Remove
1552         addresses_taken field.
1553         (gimple_statement_with_memory_ops): Likewise.
1554
1555 2010-04-27  Jan Hubicka  <jh@suse.cz>
1556
1557         * tree-inline.c (eni_inlining_weights): Remove.
1558         (estimate_num_insns): Special case more builtins.
1559
1560 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1561
1562         PR c/32207
1563         * c-typeck.c (build_binary_op): Move forward check for comparison
1564         pointer with null pointer constant and adjust the diagnostic message.
1565
1566 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1567
1568         PR lto/42776
1569         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1570         binutils supports extended .section directive needed by LTO, or
1571         warn if older binutils found.
1572         (LTO_BINARY_READER): New AC_SUBST'd variable.
1573         (LTO_USE_LIBELF): Likewise.
1574         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1575         variable.
1576         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1577         (LTO_USE_LIBELF): Likewise.
1578         * configure: Regenerate.
1579
1580         * collect2.c (is_elf): Rename from this ...
1581         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1582          object files in addition to ELF-formatted ones.
1583         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1584         symbol to be prefixed or not by an extra underscore.
1585
1586         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1587         * config/i386/winnt.c: Also #include lto-streamer.h
1588         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1589         LTO named sections.
1590         (i386_pe_asm_output_aligned_decl_common): Add comment.
1591         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1592
1593 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1594
1595         PR target/43889
1596         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1597         Add missing earlyclobber for second alternative.
1598
1599 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1600
1601         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1602         bits for artificial defs at the top of the block.
1603         * fwprop.c (single_def_use_enter_block): Don't call it.
1604
1605 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1606
1607         PR 43715
1608         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1609         instead of "$gcc_cv_objdump -T".
1610         Use "-undefined dynamic_lookup" on darwin.
1611         * gcc/configure: Regenerate.
1612
1613 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1614
1615         PR c/43893
1616         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1617
1618 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1619
1620         * c-parser.c (struct c_token): Move location field up.
1621         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1622         (struct c_declspecs): Convert typespec_word, storage_class, and
1623         default_int_p into bitfields.
1624         (struct c_declarator): Move loc field up.
1625
1626 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1627
1628         * cfgloop.h (struct loop): Move can_be_parallel field up.
1629         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1630         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1631         down.
1632         (struct iv_cand): Convert pos field into a bitfield.
1633         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1634         field up.
1635         (struct _stmt_vec_info): Shuffle fields for better packing.
1636
1637 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1638
1639         * varasm.c (IN_NAMED_SECTION): Remove guard.
1640         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1641         (IN_NAMED_SECTION_P): ...this.
1642         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1643         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1644
1645 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1646
1647         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1648         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1649         of shadowing it.  Fix comments.
1650
1651 2010-04-26  Jan Hubicka  <jh@suse.cz>
1652
1653         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1654         (cgraph_clone_node): Copy function frequency.
1655         * cgraph.h (node_frequency): New enum
1656         (struct cgraph_node): Add.
1657         * final.c (rest_of_clean_state): Update.
1658         * lto-cgraph.c (lto_output_node): Output node frequency.
1659         (input_overwrite_node): Input node frequency.
1660         * tre-ssa-loop-ivopts (computation_cost): Update.
1661         * lto-streamer-out.c (output_function): Do not output function
1662         frequency.
1663         * predict.c (maybe_hot_frequency_p): Update and handle functions
1664         executed once.
1665         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1666         attribute lookup.
1667         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1668         (compute_function_frequency): Set noreturn functions to be executed
1669         once.
1670         (choose_function_section): Update.
1671         * lto-streamer-in.c (input_function): Do not input function frequency.
1672         * function.c (allocate_struct_function): Do not initialize function
1673         frequency.
1674         * function.h (function_frequency): Remove.
1675         (struct function): Remove function frequency.
1676         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1677         (try_update): Update.
1678         * tree-inline.c (initialize_cfun): Do not update function frequency.
1679         * passes.c (pass_init_dump_file): Update.
1680         * i386.c (ix86_compute_frame_layout): Update.
1681         (ix86_pad_returns): Update.
1682
1683 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1684
1685         PR tree-optimization/43833
1686         * tree-vrp.c (range_int_cst_p): New.
1687         (range_int_cst_singleton_p): New.
1688         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1689         when both operands are constants.  Use range_int_cst_p in
1690         BIT_IOR_EXPR case.
1691
1692 2010-04-26  Jan Hubicka  <jh@suse.cz>
1693
1694         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1695
1696 2010-04-26  Richard Guenther  <rguenther@suse.de>
1697
1698         PR lto/43080
1699         * gimple.c (gimple_decl_printable_name): Deal gracefully
1700         with a NULL DECL_NAME.
1701
1702 2010-04-26  Richard Guenther  <rguenther@suse.de>
1703
1704         PR lto/42425
1705         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1706         if emitting debug information and it is either a function
1707         or a namespace decl.
1708
1709 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1710
1711         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1712         determine if the statement is vectorizable, and a macro to access it.
1713         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1714         Skip statements that can't be vectorized. If the analysis fails,
1715         mark the statement as unvectorizable if vectorizing basic block.
1716         (vect_compute_data_refs_alignment): Likewise.
1717         (vect_verify_datarefs_alignment): Skip statements marked as
1718         unvectorizable. Add print.
1719         (vect_analyze_group_access): Skip statements that can't be
1720         vectorized. If the analysis fails, mark the statement as
1721         unvectorizable if vectorizing basic block.
1722         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1723         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1724         generated stmts for SLP.
1725         (new_stmt_vec_info): Initialize the new field.
1726         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1727         statements marked as unvectorizable.
1728
1729 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1730
1731         * c-common.c (flag_isoc1x): New.
1732         (flag_isoc99): Update comment.
1733         * c-common.h (flag_isoc1x): New.
1734         (flag_isoc99): Update comment.
1735         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1736         __<type>_DECIMAL_DIG__.
1737         * c-opts.c (set_std_c1x): New.
1738         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1739         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1740         * c.opt (-std=c1x, -std=gnu1x): New options.
1741         * doc/cpp.texi: Mention -std=c1x.
1742         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1743         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1744         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1745         * doc/standards.texi: Mention C1X.
1746         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1747         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1748         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1749         Define for C1X.
1750
1751 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1752
1753         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1754         placeholder from 0x%x to %#x.
1755         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1756         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1757         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1758         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1759         * config/i386/i386.c (ix86_target_string): Ditto.
1760         (output_pic_addr_const): Ditto.
1761         (print_operand): Ditto.
1762
1763 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1764
1765         * combine.c (find_split_point): Add third argument.  Use it
1766         to find nested multiply-accumulate instructions.  Adjust calls.
1767         (try_combine): Adjust call to find_split_point.
1768
1769 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1770
1771         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1772
1773 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1774
1775         PR tree-optimization/41442
1776         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1777         (fold_binary_loc): Call it.
1778
1779 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1780
1781         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1782         * opts.c (common_handle_option): Allow disabling it.
1783         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1784
1785 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1786
1787         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1788         between modes if both types are integral.
1789
1790 2010-04-23  Richard Guenther  <rguenther@suse.de>
1791
1792         PR tree-optimization/43572
1793         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1794
1795 2010-04-23  Richard Guenther  <rguenther@suse.de>
1796
1797         PR lto/43455
1798         * tree-inline.c (tree_can_inline_p): Also check compatibility
1799         of return types.
1800
1801 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1802
1803         PR tree-optimization/43846
1804         * tree-sra.c (struct access): New flag grp_assignment_read.
1805         (build_accesses_from_assign): Set grp_assignment_read.
1806         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1807         (enum mark_read_status): New type.
1808         (analyze_access_subtree): Propagate grp_assignment_read, create
1809         accesses also if both direct_read and root->grp_assignment_read.
1810
1811 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1812
1813         PR middle-end/43835
1814         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1815         function does not have type attributes.
1816
1817 2010-04-23  Richard Guenther  <rguenther@suse.de>
1818
1819         PR lto/42653
1820         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1821         of FUNCTION_DECLs.
1822
1823 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1824
1825         * sese.h (create_if_region_on_edge): Remove.
1826
1827         * sese.c (create_if_region_on_edge): Make static.
1828
1829         * tree-inline.c: Do not include ggc.h.
1830
1831         * expr.c: Do not include ggc.h.
1832
1833         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1834         dependencies.
1835
1836 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1837
1838         PR target/43744
1839         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1840         in the middle of insns for casesi_worker_2.
1841
1842 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1843
1844         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1845
1846 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1847
1848         PR tree-optimization/43842
1849         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1850         loop unrolling in update of exit phis. Fix comment.
1851         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1852         least two reduction statements in the loop before starting SLP
1853         analysis.
1854
1855 2010-04-22  Nick Clifton  <nickc@redhat.com>
1856
1857         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1858
1859 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1860
1861         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1862         to simplify a + ~a.
1863
1864 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1865
1866         * tree-parloops.c (loop_parallel_p): New argument
1867         parloop_obstack.  Pass it down.
1868         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1869         pass it down, free it.
1870
1871         * tree-loop-linear.c (linear_transform_loops): Pass down
1872         lambda_obstack.
1873
1874         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1875         of type struct obstack *.
1876
1877         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1878         scratch_obstack.  Initialize it, pass down, free it.
1879
1880         * lambda.h (lambda_loop_new): Remove.
1881         (lambda_matrix_new, lambda_matrix_inverse)
1882         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1883         argument of type struct obstack *.
1884
1885         * lambda-trans.c (lambda_trans_matrix_new): New argument
1886         lambda_obstack.  Pass it down, use obstack allocation for ret.
1887         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1888         it down.
1889
1890         * lambda-mat.c (lambda_matrix_get_column)
1891         (lambda_matrix_project_to_null): Remove.
1892         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1893         allocation for mat.
1894         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1895         lambda_obstack.
1896
1897         * lambda-code.c (lambda_loop_new): New function.
1898         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1899         (lambda_compute_auxillary_space, lambda_compute_target_space)
1900         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1901         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1902         (build_access_matrix): New argument lambda_obstack.  Use obstack
1903         allocation for am.
1904         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1905         argument lambda_obstack.  Pass it down.
1906
1907 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1908
1909         * optabs.h (expand_widening_mult): Declare.
1910
1911 2010-04-22  Richard Guenther  <rguenther@suse.de>
1912
1913         PR tree-optimization/43845
1914         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1915         lookup the CALL_EXPR function and arguments.
1916
1917 2010-04-22  Nick Clifton  <nickc@redhat.com>
1918
1919         * config/stormy16/stormy16.c
1920         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1921         * config/stormy16/stormy16.h: Tidy up formatting.
1922         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1923         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1924         (ineqbranchsi): Delete pattern.
1925         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1926         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1927         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1928         stormy16-lib2-ucmpsi2.c.
1929
1930 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1931
1932         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1933         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1934         extra set merge_set_noclobber, and use it to relax the final test
1935         slightly.
1936         * df.h (df_simulate_find_noclobber_defs): Declare.
1937         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1938         conditional defs.
1939         (df_simulate_find_noclobber_defs): New function.
1940
1941 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1942
1943         * config/i386/i386.md: Use {} around multi-line preparation statements.
1944
1945 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1946
1947         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1948         (process_init_element): New argument of type struct obstack *.
1949
1950         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1951         (set_init_index, set_init_label, set_nonincremental_init)
1952         (set_nonincremental_init_from_string, find_init_member)
1953         (output_init_element, output_pending_init_elements)
1954         (process_init_element): New argument braced_init_obstack.  Pass it
1955         down.
1956         (push_range_stack, add_pending_init): New argument
1957         braced_init_obstack.  Use obstack allocation.
1958
1959         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1960         braced_init_obstack.  Pass it down.
1961         (c_parser_braced_init): New variables ret, braced_init_obstack.
1962         Initialize obstack, pass it down and finally free it.
1963
1964 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1965
1966         PR middle-end/29274
1967         * tree-pass.h (pass_optimize_widening_mul): Declare.
1968         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1969         gate_optimize_widening_mul): New static functions.
1970         (pass_optimize_widening_mul): New.
1971         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1972         <case MULT_EXPR>: Remove support for widening multiplies.
1973         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1974         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1975         simplify_gen_unary rather than directly building extensions.
1976         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1977         WIDEN_MULT_EXPR.
1978         * expmed.c (expand_widening_mult): New function.
1979         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1980
1981 2010-04-21  Jan Hubicka  <jh@suse.cz>
1982
1983         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1984         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1985         * lto-wpa-fixup.c: Remove.
1986         * Makefile.in (lto-wpa-fixup.o): Remove.
1987         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1988         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1989         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1990
1991 2010-04-21  Jan Hubicka  <jh@suse.cz>
1992
1993         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1994         add write_optimization_summary, read_optimization_summary.
1995         (ipa_write_summaries_of_cgraph_node_set): Remove.
1996         (ipa_write_optimization_summaries): Declare.
1997         (ipa_read_optimization_summaries): Declare.
1998         * ipa-cp.c (pass_ipa_cp): Update.
1999         * ipa-reference.c (pass_ipa_reference): Update.
2000         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2001         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2002         Update.
2003         * ipa-inline.c (pass_ipa_inline): Update.
2004         * ipa.c (pass_ipa_whole_program): Update.
2005         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2006         * passes.c (ipa_write_summaries_1): Do not test wpa.
2007         (ipa_write_optimization_summaries_1): New.
2008         (ipa_write_optimization_summaries): New.
2009         (ipa_read_summaries): Do not test ltrans.
2010         (ipa_read_optimization_summaries_1): New.
2011         (ipa_read_optimization_summaries): New.
2012
2013 2010-04-21  Jan Hubicka  <jh@suse.cz>
2014
2015         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2016         for boundary nodes.
2017         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2018
2019 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2020
2021         PR debug/40040
2022         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2023         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2024
2025 2010-04-21  Jan Hubicka  <jh@suse.cz>
2026
2027         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2028
2029 2010-04-21  Jan Hubicka  <jh@suse.cz>
2030
2031         * varpool.c (decide_is_variable_needed): Variable is always needed
2032         during ltrans.
2033
2034 2010-04-21  Jan Hubicka  <jh@suse.cz>
2035
2036         * opts.c (decode_options): Enable pure-const pass for whopr.
2037
2038 2010-04-21  Jan Hubicka  <jh@suse.cz>
2039
2040         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2041         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2042         at WPA dumping.
2043         (cgraph_decide_inlining): Do not expect callee to be removed in all
2044         cases.
2045
2046 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2047
2048         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2049
2050 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2051
2052         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2053         amdfam10_decode attributes.
2054
2055 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2056
2057         PR middle-end/43570
2058         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2059         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2060         (lower_copyprivate_clauses): Use private var in outer
2061         context instead of original var.  Make sure the types
2062         are correct for VLAs.
2063
2064 2010-04-21  Richard Guenther  <rguenther@suse.de>
2065
2066         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2067         to non-pointer objects.
2068
2069 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2070
2071         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2072         last chain entry if it starts with the still current label.
2073         (add_location_or_const_value_attribute): Check that
2074         loc_list->first->next is NULL instead of comparing ->first with ->last.
2075         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2076         to add_var_loc_to_decl.
2077
2078         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2079         >= 4 add also address size and segment size fields into CIE header.
2080
2081         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2082         long as address size is the same as sizeof (void *) and
2083         segment size is 0.
2084         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2085         address size or segment size is unexpected, return DW_EH_PE_omit.
2086         (classify_object_over_fdes): If get_cie_encoding returned
2087         DW_EH_PE_omit, return -1.
2088         (init_object): If classify_object_over_fdes returned -1,
2089         pretend there were no FDEs at all.
2090
2091 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2092
2093         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2094         bswap{si,di}2 using SWI48 mode iterator.
2095         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2096         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2097         set modrm attribute of bswap insn to 0 and remove length attribute.
2098         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2099         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2100         set mode attribute to <MODE> and remove length attribute.
2101
2102 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2103
2104         PR rtl-optimization/43520
2105         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2106         zero available registers.
2107
2108 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2109
2110         * builtins.c (fold_builtin_cproj): Fold more cases.
2111
2112 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2113
2114         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2115         (fold_builtin_1): Fold builtin cproj.
2116         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2117         Use ATTR_CONST_NOTHROW_LIST.
2118
2119 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2120
2121         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2122         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2123         ffsi2_no_cmove for !TARGET_CMOVE.
2124         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2125         (ffssi2): Remove expander.
2126         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2127         mode iterator.
2128         (ctz<mode>2): Ditto from ctz{si,di}2.
2129         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2130         mode iterator.
2131         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2132         mode iterator.
2133
2134 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2135
2136         * dwarf2out.c (AT_linkage_name): Define.
2137         (clone_as_declaration): Handle DW_AT_linkage_name.
2138         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2139         of DW_AT_MIPS_linkage_name.
2140         (move_linkage_attr): Likewise.
2141         (dwarf2out_finish): Likewise.
2142
2143 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2144
2145         PR middle-end/41952
2146         * fold-const.c (fold_comparison): New folding rule.
2147
2148 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2149
2150         * double-int.h (double_int_setbit): Declare.
2151         * double-int.c (double_int_setbit): New function.
2152         * rtl.h (immed_double_int_const): Declare.
2153         * emit-rtl.c (immed_double_int_const): New function.
2154         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2155         and immed_double_int_const functions.
2156         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2157         expand_copysign_bit):  (Ditto.).
2158         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2159         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2160         * dojump.c (prefer_and_bit_test): (Ditto.).
2161         * expr.c (convert_modes, reduce_to_bit_field_precision,
2162         const_vector_from_tree): (Ditto.).
2163         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2164
2165 2010-04-20  Jan Hubicka  <jh@suse.cz>
2166
2167         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2168         (dump_cgraph_node): Dump new flags.
2169         * cgraph.h (struct cgraph_node): Add flags
2170         reachable_from_other_partition and in_other_partition.
2171         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2172         other partition can not be removed.
2173         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2174         the other partition must be output; silence sanity checking on
2175         leaking functions bodies from other paritition.
2176         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2177         (lto_output_node): Output new flags; do not sanity check that inline
2178         clones are output; drop lto_forced_extern_inline_p code; do not mock
2179         visibility flags at partition boundaries.
2180         (add_node_to): New function.
2181         (output_cgraph): Use it to sort functions so masters appear before
2182         clones.
2183         (input_overwrite_node): Input new flags.
2184         * passes.c (ipa_write_summaries): Do not call
2185         lto_new_extern_inline_states.
2186         * lto-section-out.c (forced_extern_inline,
2187         lto_new_extern_inline_states lto_delete_extern_inline_states,
2188         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2189         * lto-streamer.h (lto_new_extern_inline_states,
2190         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2191         lto_forced_extern_inline_p): Kill.
2192
2193 2010-04-20  Richard Guenther  <rguenther@suse.de>
2194
2195         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2196         from vars that can have pointers.
2197         (process_constraint): Dump useless constraints.
2198
2199 2010-04-20  Richard Guenther  <rguenther@suse.de>
2200
2201         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2202         (dump_sa_points_to_info): Remove asserts.
2203         (init_base_vars): nothing_id isn't an escape point nor does it
2204         have pointers.
2205
2206 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2207
2208         * tree.h (TYPE_REF_IS_RVALUE): Define.
2209         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2210         should_move_die_to_comdat, prune_unused_types_walk): Handle
2211         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2212         (modified_type_die, gen_reference_type_die): Emit
2213         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2214         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2215
2216 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2217
2218         PR target/43635
2219         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2220         calls for -fpic -m31 if they have been sibcall optimized.
2221
2222 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2223
2224         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2225         ar.lc fixed and call-used.
2226
2227         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2228
2229 2010-04-19  Jan Hubicka  <jh@suse.cz>
2230
2231         * opts.c (decode_options): Disable whpr incompatible passes.
2232         * lto/lto.c (lto_1_to_1_map): Skip clones.
2233         (read_cgraph_and_symbols): Do not mark everything as needed.
2234         (do_whole_program_analysis): Do map only after optimizing;
2235         set proper cgraph_state; use passmanager.
2236
2237 2010-04-19  DJ Delorie  <dj@redhat.com>
2238
2239         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2240         POINTER_PLUS_EXPR and fix them.
2241
2242 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2243
2244         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2245         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2246         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2247         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2248         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2249         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2250         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2251         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2252         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2253         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2254         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2255
2256 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2257
2258         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2259         (check_cond_move_block): Likewise.
2260         (cond_move_process_if_block): Likewise.
2261         (noce_find_if_block): Improve formatting.
2262         (find_if_header): Pass 0 to memset and tweak conditions.
2263         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2264
2265 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2266
2267         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2268         for -gdwarf-4.
2269
2270         PR middle-end/43337
2271         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2272         with non-local decl doesn't need chain.
2273
2274 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2275
2276         * ira-color.c (allocno_reload_assign): Avoid accumulating
2277         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2278
2279 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2280
2281         * gimple.h (create_tmp_reg): Declare.
2282         * gimplify.c (create_tmp_reg): New function.
2283         (gimplify_return_expr): Use create_tmp_reg.
2284         (gimplify_omp_atomic): Likewise.
2285         (gimple_regimplify_operands): Likewise.
2286         * tree-dfa.c (make_rename_temp): Likewise.
2287         * tree-predcom.c (predcom_tmp_var): Likewise.
2288         (reassociate_to_the_same_stmt): Likewise.
2289         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2290         (get_replaced_param_substitute): Likewise.
2291         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2292         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2293         * tree-ssa-pre.c (get_representative_for): Likewise.
2294         (create_expression_by_pieces): Likewise.
2295         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2296         (create_tailcall_accumulator): Likewise.
2297
2298 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2299
2300         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2301         new_stmt.
2302         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2303
2304 2010-04-19  Richard Guenther  <rguenther@suse.de>
2305
2306         PR tree-optimization/43796
2307         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2308         from SCEV in the lattice.
2309         (vrp_visit_phi_node): Dump change.
2310
2311 2010-04-19  Richard Guenther  <rguenther@suse.de>
2312
2313         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2314         * configure: Re-generated.
2315
2316 2010-04-19  Richard Guenther  <rguenther@suse.de>
2317
2318         PR tree-optimization/43783
2319         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2320         constant ARRAY_REF operands two and three if possible.
2321
2322 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2323
2324         PR target/43766
2325         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2326
2327 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2328
2329         PR target/43662
2330         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2331
2332 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2333
2334         PR tree-optimization/37027
2335         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2336         and macro to access it.
2337         (vectorizable_reduction): Add argument.
2338         (vect_get_slp_defs): Likewise.
2339         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2340         statements for possible use in SLP.
2341         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2342         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2343         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2344         add new argument.
2345         (vectorizable_reduction): Likewise.
2346         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2347         vect_get_slp_defs.
2348         (vectorizable_type_demotion, vectorizable_type_promotion,
2349         vectorizable_store): Likewise.
2350         (vect_analyze_stmt): Update call to vectorizable_reduction.
2351         (vect_transform_stmt): Likewise.
2352         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2353         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2354         from different interleaving chains in same node.
2355         (vect_slp_rearrange_stmts): New function.
2356         (vect_supported_load_permutation_p): Allow load permutations for
2357         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2358         inside SLP nodes if necessary.
2359         (vect_analyze_slp_instance): Handle reductions.
2360         (vect_analyze_slp): Try to build SLP instances originating from groups
2361         of reductions.
2362         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2363         (vect_get_constant_vectors): Create initial vectors for reductions
2364         according to reduction code. Add new argument.
2365         (vect_get_slp_defs): Add new argument, pass it to
2366         vect_get_constant_vectors.
2367         (vect_schedule_slp_instance): Remove SLP tree root statements.
2368
2369 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2370
2371         * tree.h (ENUM_IS_SCOPED): Define.
2372         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2373         for ENUM_IS_SCOPED enums.
2374
2375 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2376
2377         * fold-const.c (fold_comparison): Use ssizetype.
2378         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2379         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2380         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2381         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2382
2383         * tree.h (initialize_sizetypes): Remove parameter.
2384         (build_common_tree_nodes): Remove second parameter.
2385         * stor-layout.c (initialize_sizetypes): Remove parameter.
2386         Always create an unsigned type.
2387         (set_sizetype): Assert that the passed type is unsigned and simplify.
2388         * tree.c (build_common_tree_nodes): Remove second parameter.
2389         Adjust call to initialize_sizetypes.
2390         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2391         build_common_tree_nodes.
2392
2393 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2394
2395         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2396
2397 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2398
2399         PR tree-optimization/43771
2400         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2401         load permutation doesn't have gaps.
2402
2403 2010-04-18  Jan Hubicka  <jh@suse.cz>
2404
2405         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2406         (sse_prologue_save_insn expander): Use new pattern.
2407         (sse_prologue_save_insn1): New pattern and splitter.
2408         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2409         blocks.
2410         * i386.c (setup_incoming_varargs_64): Do not compute jump
2411         destination here.
2412         (ix86_gimplify_va_arg): Update alignment needed.
2413         (ix86_local_alignment): Do not align all local arrays to 128bit.
2414
2415 2010-04-17  Jan Hubicka  <jh@suse.cz>
2416
2417         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2418
2419 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2420
2421         * arm.md (negdi2): Remove redundant code to force values into a
2422         register.
2423
2424 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2425
2426         * arm/bpabi.S: Add EABI alignment attributes to objects.
2427         * arm/bpabi-v6m.S: Likewise.
2428         * arm/crti.asm: Likewise.
2429         * arm/crtn.asm: Likewise.
2430         * arm/lib1funcs.asm: Likewise.
2431         * arm/libunwind.S: Likewise.
2432
2433 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2434
2435         * arm-protos.h (tune_params): New structure.
2436         * arm.c (current_tune): New variable.
2437         (arm_constant_limit): Delete.
2438         (struct processors): Add pointer to the tune parameters.
2439         (arm_slowmul_tune): New tuning option.
2440         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2441         (all_cores): Adjust to pick up the tuning model.
2442         (arm_constant_limit): New function.
2443         (arm_override_options): Select the appropriate tuning model.  Delete
2444         initialization of arm_const_limit.
2445         (arm_split_constant): Use the new constant-limit model.
2446         (arm_rtx_costs): Pick up the current tuning model.
2447         * arm.md (is_strongarm, is_xscale): Delete.
2448         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2449         for Xscale variant architectures.
2450         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2451
2452 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2453
2454         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2455         can_shift.
2456         (arm_rtx_costs_1): Remove unused variable extra_cost.
2457         (arm_unwind_emit_set): Use variable offset.
2458         (thumb1_output_casesi): Remove unused variable flags.
2459
2460 2010-04-16  Jeff Law  <law@redhat.com>
2461
2462         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2463         needing assignment rather than doing a two-phase assignment.  Remove
2464         unused variable 'm'.
2465
2466 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2467
2468         PR bootstrap/43767
2469         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2470
2471 2010-04-16  Doug Kwan  <dougkwan@google.com>
2472
2473         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2474         (next_operand_entry_id): New static variable.
2475         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2476         (add_to_ops_vec): Assigned unique ID to operand entry.
2477         (struct oecount_s): New field ID.
2478         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2479         (undistribute_ops_list): Assign unique IDs to oecounts.
2480         (init_reassoc): reset next_operand_entry_id.
2481
2482 2010-04-16  Doug Kwan  <dougkwan@google.com>
2483
2484         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2485         missing left parenthesis.
2486
2487 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2488
2489         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2490         *btdi_rex64 using SWI48 mode iterator.
2491         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2492         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2493         *jcc_btdi_mask_rex64.
2494
2495 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2496
2497         * double-int.h (tree_to_double_int): Convert to macro.
2498         * double-int.c (tree_to_double_int): Remove.
2499
2500 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2501
2502         PR debug/43762
2503         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2504         with want_address 2 and in case a single element list might be
2505         possible, call it again with want_address 0.
2506
2507 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2508
2509         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2510         case 'W' print operands for HI mode.
2511         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2512         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2513         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2514         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2515
2516         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2517
2518         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2519         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2520         #xx:3 and #xx:4 mode.
2521
2522         * config/h8300/h8300.md (inverted load with HImode dest): Add
2523         support for H8300SX.
2524
2525         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2526         satisfy 'U' constraint.
2527
2528 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2529
2530         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2531         * configure: Regenerate.
2532         * config.in: Regenerate.
2533         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2534         works.
2535
2536 2010-04-16  Richard Guenther  <rguenther@suse.de>
2537
2538         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2539         (struct tree_decl_common): ... here.
2540         (DECL_PT_UID): Adjust.
2541         (SET_DECL_PT_UID): Likewise.
2542         (DECL_PT_UID_SET_P): Likewise.
2543
2544 2010-04-16  Richard Guenther  <rguenther@suse.de>
2545
2546         PR tree-optimization/43572
2547         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2548         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2549         * tree-flow.h (is_call_clobbered): Remove.
2550         * tree-flow-inline.h (is_call_clobbered): Likewise.
2551         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2552         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2553         (execute_return_slot_opt): Adjust.
2554         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2555         check for call clobbered vars here.
2556         (find_tail_calls): Move tailcall verification to the
2557         proper place.
2558
2559 2010-04-16  Diego Novillo  <dnovillo@google.com>
2560
2561         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2562
2563 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2564
2565         PR target/40603
2566         * config/arm/arm.md (cbranchqi4): New pattern.
2567         * config/arm/predicates.md (const0_operand,
2568         cbranchqi4_comparison_operator): New predicates.
2569
2570 2010-04-16  Richard Guenther  <rguenther@suse.de>
2571
2572         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2573         (dump_gimple_stmt): Likewise.
2574
2575 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2576
2577         * recog.h (struct recog_data): New field is_operator.
2578         (struct insn_operand_data): New field is_operator.
2579         * recog.c (extract_insn): Set recog_data.is_operator.
2580         * genoutput.c (output_operand_data): Emit code to set the
2581         is_operator field.
2582         * reload.c (find_reloads): Use it rather than testing for an
2583         empty constraint string.
2584
2585         PR target/41514
2586         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2587         If the previous insn is a cbranchsi4_insn with the same arguments,
2588         omit the compare instruction.
2589
2590         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2591         register, inputs must be low registers and we need a low register
2592         scratch.  Handle alternative 2 like alternative 3.
2593
2594 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2595
2596         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2597         don't call get_addr on both.  If one expression is a VALUE and
2598         the other a REG, check VALUE's locs if the REG isn't among them.
2599
2600 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2601
2602         * config/sh/sh.h (sh_frame_pointer_required): New function.
2603         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2604         (flag_omit_frame_pointer) Set.
2605         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2606         (rounded_frame_size): Adjust size with outgoing_args_size.
2607         (sh_set_return_address): Must return from stack pointer.
2608         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2609         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2610         (ACCUMULATE_OUTGOING_ARGS): Define.
2611         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2612         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2613
2614 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2615
2616         PR target/43471
2617         * config/sh/sh.c (sh_legitimize_reload_address): Use
2618         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2619         Remove a unneeded check for offset_base.
2620
2621 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2622
2623         * configure: Regenerated.
2624
2625 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2626
2627         * config/s390/s390.c (s390_call_save_register_used): Switch back
2628         to HARD_REGNO_NREGS.
2629
2630 2010-04-15  Richard Guenther  <rguenther@suse.de>
2631
2632         * alias.c (alias_set_subset_of): Handle alias-set zero
2633         child properly.
2634
2635 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2636             Julian Brown  <julian@codesourcery.com>
2637
2638         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2639         alternatives according to use of high and low regs.
2640         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2641         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2642         optimizing for size on Thumb-2.
2643
2644 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2645
2646         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2647
2648 2010-04-15  Richard Guenther  <rguenther@suse.de>
2649
2650         * tree-ssa-structalias.c (struct variable_info): Add
2651         is_fn_info flag.
2652         (new_var_info): Initialize it.
2653         (dump_constraints): Support printing last added constraints.
2654         (debug_constraints): Adjust.
2655         (dump_constraint_graph): Likewise.
2656         (make_heapvar_for): Check for NULL cfun.
2657         (get_function_part_constraint): New function.
2658         (get_fi_for_callee): Likewise.
2659         (find_func_aliases): Properly implement IPA PTA constraints.
2660         (process_ipa_clobber): New function.
2661         (find_func_clobbers): Likewise.
2662         (insert_into_field_list_sorted): Remove.
2663         (create_function_info_for): Properly allocate vars for IPA mode.
2664         Do not use insert_into_field_list_sorted.
2665         (create_variable_info_for): Properly generate constraints for
2666         global vars in IPA mode.
2667         (dump_solution_for_var): Always dump the solution.
2668         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2669         (find_what_var_points_to): Adjust.
2670         (pt_solution_set): Change.
2671         (pt_solution_ior_into): New function.
2672         (pt_solution_empty_p): Export.
2673         (pt_solution_includes_global): Adjust.
2674         (pt_solution_includes_1): Likewise.
2675         (pt_solutions_intersect_1): Likewise.
2676         (dump_sa_points_to_info): Check some invariants.
2677         (solve_constraints): Move constraint dumping ...
2678         (compute_points_to_sets): ... here.
2679         (ipa_pta_execute): ... and here.
2680         (compute_may_aliases): Do not re-compute points-to info
2681         locally if IPA info is available.
2682         (ipa_escaped_pt): New global var.
2683         (ipa_pta_execute): Properly implement IPA PTA.
2684         * tree-into-ssa.c (dump_decl_set): Support dumping
2685         decls not in referenced-vars.
2686         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2687         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2688         (dump_points_to_solution): Likewise.
2689         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2690         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2691         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2692         (copy_decl_to_var): Copy DECL_PT_UID.
2693         (copy_result_decl_to_var): Likewise.
2694         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2695         (copy_node_stat): Copy it.
2696         * tree.h (DECL_PT_UID): New macro.
2697         (SET_DECL_PT_UID): Likewise.
2698         (DECL_PT_UID_SET_P): Likewise.
2699         (struct tree_decl_minimal): Add pt_uid member.
2700         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2701         (pt_solution_empty_p): Declare.
2702         (pt_solution_set): Adjust.
2703         (ipa_escaped_pt): Declare.
2704         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2705         * gimple-pretty-print.c (pp_points_to_solution): New function.
2706         (dump_gimple_call): Dump call clobber/use information.
2707         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2708         * tree-pass.h (TDF_ALIAS): New dump option.
2709         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2710         * doc/invoke.texi (-fipa-pta): Update documentation.
2711
2712 2010-04-15  Richard Guenther  <rguenther@suse.de>
2713
2714         * Makefile.in (OBJS-common): Add gimple-fold.o.
2715         (gimple-fold.o): New rule.
2716         * tree.h (maybe_fold_offset_to_reference,
2717         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2718         prototypes ...
2719         * gimple.h: ... here.
2720         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2721         may_propagate_address_into_dereference): Move prototypes ...
2722         * gimple.h: ... here.
2723         * tree-ssa-ccp.c (get_symbol_constant_value,
2724         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2725         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2726         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2727         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2728         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2729         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2730         gimplify_and_update_call_from_tree): Move ...
2731         * gimple-fold.c: ... here.  New file.
2732         (ccp_fold_builtin): Rename to ...
2733         (gimple_fold_builtin): ... this.
2734         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2735
2736 2010-04-15  Richard Guenther  <rguenther@suse.de>
2737
2738         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2739         fit_double_type, force_fit_type_double, add_double_with_sign,
2740         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2741         lrotate_double, rrotate_double, div_and_round_double): Move ...
2742         * double-int.c: ... here.
2743         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2744         add_double, neg_double, mul_double_with_sign, mul_double,
2745         lshift_double, rshift_double, lrotate_double, rrotate_double,
2746         div_and_round_double): Move prototypes ...
2747         * double-int.h: ... here.
2748
2749 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2750
2751         PR target/43742
2752         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2753         matching constraints to ensure inputs match the output.
2754
2755 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2756
2757         PR target/43742
2758         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2759         in an input-only operand.
2760
2761 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2762
2763         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2764         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2765         (double_int_negative_p): Convert to static inline function.
2766         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2767         (double_int_negative_p): Remove.
2768         * tree.h (lshift_double, rshift_double):
2769         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2770         * fold-const.c (fold_convert_const_int_from_real,
2771         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2772         (lshift_double): Change type of arith argument to bool.
2773         (rshift_double): Change type of arith argument to bool. Correct
2774         comment.
2775         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2776
2777 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2778
2779         PR target/21803
2780         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2781         at the start and end of the then/else blocks, and omit them from the
2782         conversion.
2783         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2784         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2785         (flow_find_head_matching_sequence): New function.
2786         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2787         * basic-block.h (flow_find_cross_jump,
2788         flow_find_head_matching_sequence): Declare functions.
2789
2790 2010-04-14  Jason Merrill  <jason@redhat.com>
2791
2792         PR c++/36625
2793         * c-common.c (attribute_takes_identifier_p): New fn.
2794         * c-common.h: Declare it.
2795
2796 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2797
2798         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2799         splitter condition.
2800         (*udivmod<mode>4): Ditto.
2801
2802 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2803
2804         * config/i386/i386.md (maxmin_int): Rename code attribute from
2805         maxminiprefix and update all users.
2806         (maxmin_float): Ditto from maxminfprefix.
2807         (logic): Ditto from logicprefix.
2808         (absneg_mnemonic): Ditto from absnegprefix.
2809         * config/i386/mmx.md: Update all users of maxminiprefix,
2810         maxminfprefix and logicprefix for rename.
2811         * config/i386/sse.md: Ditto.
2812         * config/i386/sync.md (sync_<code><mode>): Update for
2813         logicprefix rename.
2814
2815 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2816
2817         PR 42966
2818         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2819         warnings converted to errors.
2820
2821 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2822
2823         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2824         used insn_type variable.
2825         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2826         to avoid set-but-not-used warning.
2827
2828 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2829
2830         * df-core.c (df_ref_debug): Change format string placeholder
2831         from 0x%x to %#x.
2832         * dwarf2asm.c (dw2_asm_output_data_raw,
2833         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2834         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2835         * dwarf2out.c (output_cfi, output_cfi_directive,
2836         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2837         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2838         Ditto.
2839         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2840         * print-rtl.c (print_rtx): Ditto.
2841
2842 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2843
2844         PR middle-end/42694
2845         * builtins.c (expand_builtin_pow_root): New function to expand pow
2846         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2847         series of sqrt and cbrt calls under -ffast-math.
2848         (expand_builtin_pow): Call it.
2849
2850 2010-04-14  Michael Matz  <matz@suse.de>
2851
2852         PR tree-optimization/42963
2853         * tree-cfg.c (touched_switch_bbs): New static variable.
2854         (group_case_labels_stmt): New function broken out from ...
2855         (group_case_labels): ... here, use the above.
2856         (start_recording_case_labels): Allocate touched_switch_bbs.
2857         (end_recording_case_labels): Deallocate it, call
2858         group_case_labels_stmt.
2859         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2860
2861 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2862
2863         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2864         from insn template.
2865
2866 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2867
2868         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2869
2870 2010-04-13  Jan Hubicka  <jh@suse.cz>
2871
2872         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2873         of optimized out static functions.
2874         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2875         cost computation.  Also sanity check for overflows.
2876         (update_caller_keys): Update cgraph_edge_badness call; properly
2877         update fibheap and sanity check that it is up to date.
2878         (add_new_edges_to_heap): Update cgraph_edge_badness.
2879         (cgraph_decide_inlining_of_small_function): Likewise;
2880         add sanity checking that badness in heap is up to date;
2881         improve dumping of reason; Update badness of calls to the
2882         offline copy of function currently inlined; dump badness
2883         of functions not inlined because of unit growth limits.
2884
2885 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2886
2887         PR middle-end/32628
2888         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2889         because of sign-extension change when converting to sizetype here...
2890         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2891
2892         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2893         the folding to constants.  Remove redundant final conversion.
2894         (fold_binary) <associate>: Do not associate if the re-association of
2895         constants alone overflows.
2896         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2897         to the end of the list.
2898         (multiple_of_p) <COND_EXPR>: New case.
2899
2900 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2901
2902         * opt-functions.awk (opt_sanitized_name): New.
2903         (opt_enum): New.
2904         * optc-gen.awk: Use it
2905         * opth-gen.awk: Use it.
2906
2907 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2908
2909         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2910         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2911         children.  Call replace_uses_with_default_def_ssa_name to handle
2912         SSA_NAES on lhs.
2913
2914 2010-04-13  Michael Matz  <matz@suse.de>
2915
2916         PR middle-end/43730
2917         * builtins.c (expand_builtin_interclass_mathfn): Also create
2918         a register if the predicate doesn't match.
2919
2920 2010-04-13  Diego Novillo  <dnovillo@google.com>
2921
2922         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2923         * c-pch.c: Include timevar.h.
2924         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2925         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2926         * ggc-common.c: Include timevar.h.
2927         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2928         * timevar.def (TV_PCH_SAVE): Define.
2929         (TV_PCH_CPP_SAVE): Define.
2930         (TV_PCH_PTR_REALLOC): Define.
2931         (TV_PCH_PTR_SORT): Define.
2932         (TV_PCH_RESTORE): Define.
2933         (TV_PCH_CPP_RESTORE): Define.
2934
2935 2010-04-13  Michael Matz  <matz@suse.de>
2936
2937         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2938         into MINUS_EXPRs.
2939         (can_reassociate_p): New function.
2940         (break_up_subtract_bb, reassociate_bb): Use it.
2941
2942 2010-04-13  Richard Guenther  <rguenther@suse.de>
2943
2944         PR bootstrap/43737
2945         * builtins.c (c_readstr): Fix assert.
2946
2947 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2948
2949         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2950         when generating cltd insn.
2951
2952         (*ashl<mode>3_1): Remove special handling for register operand 2.
2953         (*ashlsi3_1_zext): Ditto.
2954         (*ashlhi3_1): Ditto.
2955         (*ashlhi3_1_lea): Ditto.
2956         (*ashlqi3_1): Ditto.
2957         (*ashlqi3_1_lea): Ditto.
2958         (*<shiftrt_insn><mode>3_1): Ditto.
2959         (*<shiftrt_insn>si3_1_zext): Ditto.
2960         (*<shiftrt_insn>qi3_1_slp): Ditto.
2961         (*<rotate_insn><mode>3_1): Ditto.
2962         (*<rotate_insn>si3_1_zext): Ditto.
2963         (*<rotate_insn>qi3_1_slp): Ditto.
2964
2965 2010-04-13  Richard Guenther  <rguenther@suse.de>
2966
2967         * tree-ssa-structalias.c (callused_id): Remove.
2968         (call_stmt_vars): New.
2969         (get_call_vi): Likewise.
2970         (lookup_call_use_vi): Likewise.
2971         (lookup_call_clobber_vi): Likewise.
2972         (get_call_use_vi): Likewise.
2973         (get_call_clobber_vi): Likewise.
2974         (make_transitive_closure_constraints): Likewise.
2975         (handle_const_call): Adjust to do per-call call-used handling.
2976         (handle_pure_call): Likewise.
2977         (find_what_var_points_to): Remove general callused handling.
2978         (init_base_vars): Likewise.
2979         (init_alias_vars): Initialize call_stmt_vars.
2980         (compute_points_to_sets): Process call-used and call-clobbered
2981         vars for call statements.
2982         (delete_points_to_sets): Free call_stmt_vars.
2983
2984 2010-04-13  Richard Guenther  <rguenther@suse.de>
2985
2986         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2987         Only add RW dependence for dependence distance zero.
2988         Adjust maximal vectorization factor according to dependences.
2989         Move alignment handling ...
2990         (vect_find_same_alignment_drs): ... here.  New function.
2991         (vect_analyze_data_ref_dependences): Adjust.
2992         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2993         (vect_analyze_data_refs): Adjust minimal vectorization factor
2994         according to data references.
2995         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2996         dependences before determining the vectorization factor.
2997         Analyze alignment after determining the vectorization factor.
2998         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2999         dependences before alignment.
3000         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3001         Adjust prototype.
3002         (vect_analyze_data_refs): Likewise.
3003         (MAX_VECTORIZATION_FACTOR): New define.
3004
3005 2010-04-13  Duncan Sands  <baldrick@free.fr>
3006
3007         * except.h (lang_eh_type_covers): Remove.
3008         * except.c (lang_eh_type_covers): Likewise.
3009
3010 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3011             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3012
3013         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3014         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3015         UNITS_PER_LONG where it is ABI relevant.
3016         (s390_return_addr_rtx): Likewise.
3017         (s390_back_chain_rtx): Likewise.
3018         (s390_frame_area): Likewise.
3019         (s390_frame_info): Likewise.
3020         (s390_initial_elimination_offset): Likewise.
3021         (save_gprs): Likewise.
3022         (s390_emit_prologue): Likewise.
3023         (s390_emit_epilogue): Likewise.
3024         (s390_function_arg_advance): Likewise.
3025         (s390_function_arg): Likewise.
3026         (s390_va_start): Likewise.
3027         (s390_gimplify_va_arg): Likewise.
3028         (s390_function_profiler): Likewise.
3029         (s390_optimize_prologue): Likewise.
3030         (s390_rtx_costs): Likewise.
3031         (s390_secondary_reload): Likewise.
3032         (s390_promote_function_mode): Likewise.
3033         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3034         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3035         registers available.
3036         (s390_unwind_word_mode): New function.
3037         (s390_function_value): Split 64 bit values into register pair if
3038         used as return value.
3039         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3040         function call parameters.  Handle parallels.
3041         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3042         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3043         (DWARF_CIE_DATA_ALIGNMENT): New macro.
3044         (s390_expand_setmem): Remove unused variable src_addr.
3045         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3046         deal with 64 bit registers.
3047         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3048         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3049         (UNITS_PER_LONG): New macro.
3050         * libjava/include/s390-signal.h: Define extended ucontext
3051         structure containing the upper halfs of the 64 bit registers.
3052
3053 2010-04-13  Simon Baldwin  <simonb@google.com>
3054
3055         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3056
3057 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3058
3059         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3060         rvalue on the RHS if the LHS is of a non-renamable type.
3061         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3062
3063 2010-04-13  Matthias Klose  <doko@ubuntu.com>
3064
3065         * gcc.c (cc1_options): Handle -iplugindir before processing
3066         the cc1 spec. Only add -iplugindir once.
3067         (cpp_unique_options): Add -iplugindir option if -fplugin* options
3068         found.
3069         * common.opt (iplugindir): Remove `Separate' property, initialize.
3070         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3071         option.
3072         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3073         (distclean): Remove plugin dir.
3074         * doc/invoke.texi: Document -iplugindir.
3075
3076 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3077
3078         * doc/plugins.texi (Loading Plugins): Document short
3079         -fplugin=foo option.
3080         (Plugin API): Mention default_plugin_dir_name function.
3081
3082         * gcc.c (find_file_spec_function): Add new declaration.
3083         (static_spec_func): Use it for "find-file".
3084         (find_file_spec_function): Add new function.
3085         (cc1_options): Add -iplugindir option if -fplugin* options found.
3086
3087         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3088
3089         * plugin.c (add_new_plugin): Updated comment, and handle short
3090         plugin name.
3091         (default_plugin_dir_name): Added new function.
3092
3093         * common.opt (iplugindir): New option to set the plugin directory.
3094
3095 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3096
3097         * config/i386/i386.md (any_rotate): New code iterator.
3098         (rotate_insn): New code attribute.
3099         (rotate): Ditto.
3100         (SWIM124): New mode iterator.
3101         (<rotate_insn>ti3): New expander.
3102         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3103         any_rotate code iterator.
3104         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3105         using any_rotate code iterator and SWIM124 mode iterator.
3106         (ix86_rotlti3): New insn_and_split pattern.
3107         (ix86_rotrti3): Ditto.
3108         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3109         ix86_rotl{di,ti}3 patterns.
3110         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3111         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3112         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3113         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3114         code iterator and SWI mode iterator.
3115         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3116         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3117         code iterator.
3118         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3119         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3120         (bswap rotatert splitter): Add splitter.
3121         (bswap splitter): Macroize splitter using any_rotate code iterator.
3122         Add insn predicate to split only for TARGET_USE_XCHGB or when
3123         optimizing function for size.
3124
3125 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3126
3127         * config/pa/pa.c (emit_move_sequence): Remove use of
3128         deleted variable flag_argument_noalias.
3129
3130 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3131
3132         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3133         configurations.
3134         Add to unsupported targets list.
3135         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3136         sparc*-sun-solaris2.[567]* from target lists.
3137         * configure: Regenerate.
3138         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3139         removal.
3140         Remove Solaris 7 patch references.
3141         (Specific, sparc-sun-solaris2.7): Removed.
3142         (sparc-sun-solaris2*): Update Solaris 7 example.
3143         (sparc64-*-solaris2*): Likewise.
3144
3145 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3146
3147         * config.build (alpha*-dec-osf4*): Remove.
3148         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3149         of obsolete configurations.
3150         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3151         support.
3152         * config/alpha/t-osf4: Renamed to ...
3153         * config/alpha/t-osf5: ... this.
3154         * config/alpha/osf.h: Renamed to ...
3155         * config/alpha/osf5.h: ... this.
3156         Merged old osf5.h contents.
3157         Update comments.
3158         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3159         (EXTRA_SPECS): Removed.
3160         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3161         reflect removal of Tru64 UNIX V4.0/V5.0 support.
3162         Document that.
3163
3164 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3165
3166         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3167
3168 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3169
3170         PR/43702
3171         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3172         __thiscall convention.
3173
3174 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3175
3176         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3177         orig_base.
3178         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3179
3180 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3181
3182         * function.c (assign_parms_initialize_all): Add unused attribute
3183         to fntype.
3184
3185 2010-04-12  Richard Guenther  <rguenther@suse.de>
3186
3187         * gsstruct.def (GSS_CALL): New.
3188         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3189         * gimple.h: Include tree-ssa-alias.h.
3190         (struct gimple_statement_call): New.
3191         (union gimple_statement_struct_d): Add gimple_call member.
3192         (gimple_call_reset_alias_info): Declare.
3193         (gimple_call_use_set): New function.
3194         (gimple_call_clobber_set): Likewise.
3195         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3196         * gimple.c (gimple_call_reset_alias_info): New function.
3197         (gimple_build_call_1): Call it.
3198         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3199         * tree-inline.c (remap_gimple_stmt): Likewise.
3200         (expand_call_inline): Remove callused handling.
3201         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3202         * tree-dfa.c (dump_variable): Likewise.
3203         * tree-parloops.c (parallelize_loops): Likewise.
3204         * tree-ssa.c (init_tree_ssa): Likewise.
3205         (delete_tree_ssa): Likewise.
3206         * tree-flow-inline.h (is_call_used): Remove.
3207         * tree-flow.h (struct gimple_df): Remove callused member.
3208         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3209         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3210         (ref_maybe_used_by_call_p_1): Simplify.
3211         (call_may_clobber_ref_p_1): Likewise.
3212         * tree-ssa-structalias.c (compute_points_to_sets): Set
3213         the call stmt used and clobbered sets.
3214         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3215         (find_tail_calls): Verify the tail call.
3216
3217 2010-04-12  Richard Guenther  <rguenther@suse.de>
3218
3219         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3220         single-iteration always-inline inlining.
3221         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3222         (cgraph_decide_inlining): Do not handle always-inline specially.
3223         (try_inline): Remove always-inline cycle detection special case.
3224         Do not recurse on always-inlines.
3225         (cgraph_early_inlining): Do not iterate if not optimizing.
3226         (cgraph_gate_early_inlining): remove.
3227         (pass_early_inline): Run unconditionally.
3228         (gate_cgraph_decide_inlining): New function.
3229         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
3230         not inlining or optimizing.
3231         (cgraph_decide_inlining_of_small_functions): Also consider
3232         always-inline functions.
3233         (cgraph_default_inline_p): Return true for nodes which should
3234         disregard inline limits.
3235         (estimate_function_body_sizes): Assume zero size and time for
3236         nodes which are marked as disregarding inline limits.
3237         (cgraph_decide_recursive_inlining): Do not perform recursive
3238         inlining on always-inline nodes.
3239
3240 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
3241
3242         PR bootstrap/43699
3243         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3244         for exprs satisfying handled_component_p.
3245
3246 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
3247
3248         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3249         non-constant aggregate elements.
3250
3251         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3252         is a real initialization.
3253
3254 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
3255
3256         PR c/36774
3257         * c-decl.c (start_function): Move forward check for nested function.
3258
3259 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3260
3261         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3262         * config/sh/sh.c: Include reload.h.
3263         (sh_legitimize_reload_address): New.
3264         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3265         sh_legitimize_reload_address.
3266
3267 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3268
3269         * config/sh/sh.md (*movqi_pop): New insn pattern.
3270         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3271
3272 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3273
3274         * config/i386/i386.md (any_shiftrt): New code iterator.
3275         (shiftrt_insn): New code attribute.
3276         (shiftrt): Ditto.
3277         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3278         using any_shiftrt code iterator.
3279         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3280         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3281         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3282         pattern from corresponding peephole2 patterns.
3283         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3284         using any_shiftrt code iterator.
3285         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3286         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3287         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3288         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3289         *{ashr,lshr}<mode>3_cmp_zext.
3290         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3291
3292 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3293
3294         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3295         scratch register.
3296         (*lshr<mode>3_cconly): Ditto.
3297
3298 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3299
3300         * config/i386/i386.md (lshr<mode>3): Macroize expander from
3301         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3302         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3303         pattern from *lshr{di,ti}3_1 and corresponding splitters using
3304         DWI mode iterator.
3305         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3306         from corresponding peephole2 patterns.
3307         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3308         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3309         and *lshrdi3_1_rex64 using SWI mode iterator.
3310         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3311         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3312         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3313         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3314         and *lshrdi3_cmp_rex64 using SWI mode iterator.
3315         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3316         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3317         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3318         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3319         SWI mode iterator.
3320
3321 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
3322
3323         * config/i386/i386.md (ashr<mode>3): Macroize expander from
3324         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3325         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3326         pattern from *ashr{di,ti}3_1 and corresponding splitters using
3327         DWI mode iterator.
3328         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3329         from corresponding peephole2 patterns.
3330         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3331         (ashrsi3_cvt): Rename from ashrsi3_31.
3332         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3333         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3334         and x86_64_shift_adj_3 using SWI48 mode iterator.
3335         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3336         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3337         and *ashrdi3_1_rex64 using SWI mode iterator.
3338         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3339         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3340         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3341         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3342         and *ashrdi3_cmp_rex64 using SWI mode iterator.
3343         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3344         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3345         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3346         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3347         SWI mode iterator.
3348         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3349         * config/i386/i386.c (ix86_split_ashr): Update for renamed
3350         x86_shift<mode>_adj_3 expanders.
3351
3352 2010-04-10  Wei Guozhi  <carrot@google.com>
3353
3354         PR target/42601
3355         * config/arm/arm.c (arm_pic_static_addr): New function.
3356         (legitimize_pic_address): Call arm_pic_static_addr when it detects
3357         a static symbol.
3358         (arm_output_addr_const_extra): Output expression for new pattern.
3359         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3360
3361 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
3362
3363         * ira-costs.c (record_reg_classes): Ignore alternatives that are
3364         not enabled.
3365
3366         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3367         * web.c: Include "insn-config.h" and "recog.h".
3368         (union_match_dups): New function.
3369         (web_main): Call it.
3370         (union_defs): Don't try to recognize match_dups.
3371
3372         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3373         if doing so would replace the entire pattern.
3374
3375 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3376
3377         PR target/43707
3378         PR target/43709
3379         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3380         and splitter pattern.  Change splitter operand 1 predicate to
3381         nonmemory_operand.
3382
3383 2010-04-09  Martin Jambor  <mjambor@suse.cz>
3384
3385         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3386         lattices are addresses of CONST_DECLs with the same initial value.
3387         (ipcp_print_all_lattices): Print values of CONST_DECLs.
3388         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3389
3390 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
3391             Bernd Schmidt  <bernds@codesourcery.com>
3392
3393         * loop-invariant.c (replace_uses): New static function.
3394         (move_invariant_reg): Use it to ensure we can replace the uses.
3395
3396 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
3397
3398         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3399         function template.
3400         (picochip_override_options): Enable section anchors only above -O1.
3401         (picochip_reorg): Fixed a couple of build warnings.
3402
3403 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3404
3405         * configure.ac (plugin -rdynamic test): Log result.
3406         * configure: Regenerate.
3407         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3408         (RDYNAMIC_SPEC): Define.
3409         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3410
3411 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3412
3413         * configure.ac: Determine Sun ld version numbers.
3414         (comdat_group): Restrict GNU ld version checks to gld.
3415         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3416         (enable_comdat): Support --enable-comdat.
3417         * configure: Regenerate.
3418         * doc/install.texi (Configuration): Document --enable-comdat.
3419
3420 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3421
3422         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
3423         * config/sol2-gld.h: ... here.
3424         * config.gcc (sparc*-*-solaris2*): Reflect this.
3425         (i[34567]86-*-solaris2*): Use it.
3426
3427 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
342