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* config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-10  Wei Guozhi  <carrot@google.com>
2
3         PR target/42879
4         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
5
6 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
7
8         PR c/10676
9         * c-typeck.c (lookup_field): Take a type directly.  Update
10         recursive calls.
11         (build_component_ref): Update call to lookup_field.
12         (set_init_label): Use lookup_field to find initialized field.
13         Handle returned list of fields like a sequence of designators.
14
15 2010-05-09  Richard Guenther  <rguenther@suse.de>
16
17         PR middle-end/44024
18         * fold-const.c (tree_single_nonzero_warnv_p): Properly
19         handle &FUNCTION_DECL.
20
21 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
22
23         PR c/4784
24         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
25         structures and unions recursively.
26         (detect_field_duplicates): Move duplicate detection with a hash to
27         detect_field_duplicates_hash.  Always use a hash if anonymous
28         structures or unions are present.
29         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
30         give errors.
31
32 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
33
34         PR target/44046
35         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
36         detect Atom, Core 2 and Core i7.
37
38 2010-05-09  Richard Guenther  <rguenther@suse.de>
39
40         * gcc.c (store_arg): Handle temporary file deletion for
41         joined arguments.
42
43 2010-05-09  Richard Guenther  <rguenther@suse.de>
44
45         PR middle-end/44043
46         * ipa-inline.c (estimate_function_body_sizes): Return after
47         disregarding inline limits.
48
49 2010-05-09  Richard Guenther  <rguenther@suse.de>
50
51         * gcc.c (store_arg): Revert last change.
52
53 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
54
55         PR middle-end/28685
56         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
57         (optimize_ops_list): Call it.
58
59 2010-05-08  Richard Guenther  <rguenther@suse.de>
60
61         PR tree-optimization/44030
62         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
63         NECESSARY flag if we propagate from a inserted expression.
64
65 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
66
67         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
68         domain types as equal if they are both PLACEHOLDER_EXPRs.
69
70 2010-05-08  Richard Guenther  <rguenther@suse.de>
71
72         * lto-wrapper.c (run_gcc): Remove linker output from
73         command line for LTRANS invocation.
74
75 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
76
77         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
78         lto-macho as lto_binary_reader.
79         * target.h (struct gcc_target): New hooks lto_start and lto_end.
80         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
81         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
82         in lto_start and lto_end calls.
83         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
84         magic numbers.
85         (scan_prog_file): Update is_elf_or_coff call.
86         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
87
88         * collect2.c (main): Fix enum comparison.
89
90         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
91         Add prototypes.
92         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
93         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
94         and TARGET_ASM_LTO_END.
95         * darwin.c: Include obstack.h and lto-streamer.h.
96         (lto_section_names_offset, lto_section_names_obstack,
97         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
98         global variables.
99         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
100         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
101         to a temporary file.
102         (darwin_asm_lto_end): New function.  Restore asm_out_file.
103         (darwin_asm_named_section): For LTO sections, replace the name with
104         the offset of the section name in a string table, and build this
105         table.
106         (darwin_file_start): Initialize global vars for LTO support.
107         (darwin_file_end): If output to asm_out_file was redirected, append it
108         to the proper asm_out_file here.  Add the section names section.
109
110 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
111
112         * c-pragma.c (pending_weak_d, pending_weak): New.
113         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
114         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
115         handle_pragma_weak): Update the uses of pending_weaks.
116
117 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
118
119         PR documentation/44016
120         * doc/standards.texi (Standards): Link to unversioned
121         cxx0x_status.html page.
122
123 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
124
125         PR target/43708
126         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
127         in addition to TREE_USED, to avoid "set but unused" warnings.
128
129 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
130
131         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
132         (is_loop_prefetching_profitable): Do not insert prefetches
133         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
134         times the prefetch ahead distance.
135
136 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
137
138         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
139         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
140         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
141         the unroll_factor.
142
143 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
144
145         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
146         a diagnostic info when the insn-to-mem ratio is too small.
147
148 2010-05-07  Richard Guenther <rguenther@suse.de>
149
150         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
151         the linker plugin.
152         (store_arg): Queue temp_filename for deletion instead of
153         the whole argument.
154
155 2010-05-07  Richard Guenther  <rguenther@suse.de>
156
157         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
158         (run_gcc): Handle LTRANS phase invocation.
159         * collect2.c (maybe_run_lto_and_relink): Do not set
160         WPA_SAVE_LTRANS.
161
162 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
163
164         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
165         this is also meaningful on PARM_DECLs and RESULT_DECLs.
166
167 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
168
169         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
170
171 2010-05-07  Richard Guenther  <rguenther@suse.de>
172
173         PR tree-optimization/44020
174         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
175         code when PRE is not yet initialized.
176
177 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
178
179         * config/mips/dbxmdebug.h: Remove.
180         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
181
182 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
183
184         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
185         with null pointer and also warn about ordered comparison of zero with
186         pointer if -Wextra.
187
188 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
189
190         * graphite-blocking.c
191         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
192         * graphite-clast-to-gimple.c
193         (clast_to_gcc_expression): Same.
194         (precision_for_value): Same.
195         (precision_for_interval): Same.
196         (gcc_type_for_interval): Same.
197         (graphite_create_new_guard): Same.
198         (compute_bounds_for_level): Same.
199         (graphite_create_new_loop_guard): Same.
200         * graphite-interchange.c
201         (build_linearized_memory_access): Same.
202         (pdr_stride_in_loop): Same.
203         (memory_strides_in_loop_1): Same.
204         (memory_strides_in_loop): Same.
205         (extend_scattering): Same.
206         (psct_scattering_dim_for_loop_depth): Same.
207         (pbb_number_of_iterations): Same.
208         * graphite-poly.h
209         (debug_iteration_domains): Same.
210         * graphite-ppl.c
211         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
212         (ppl_set_inhomogeneous_gmp): Same.
213         (ppl_strip_loop): Same.
214         (ppl_lexico_compare_linear_expressions): Same.
215         (ppl_read_polyhedron_matrix): Same.
216         (ppl_max_for_le_pointset): Same.
217         * graphite-ppl.h
218         (ppl_read_polyhedron_matrix): Same.
219         (tree_int_to_gmp): Same.
220         (gmp_cst_to_tree): Same.
221         (ppl_set_inhomogeneous): Same.
222         (ppl_set_inhomogeneous_tree): Same.
223         (ppl_set_coef): Same.
224         (ppl_set_coef_tree): Same.
225         * graphite-sese-to-poly.c
226         (build_pbb_scattering_polyhedrons): Same.
227         (build_scop_scattering): Same.
228         (scan_tree_for_params_right_scev): Same.
229         (scan_tree_for_params): Same.
230         (find_params_in_bb): Same.
231         (find_scop_parameters): Same.
232         (add_upper_bounds_from_estimated_nit): Same.
233         (build_loop_iteration_domains): Same.
234         (add_condition_to_domain): Same.
235         (pdr_add_memory_accesses): Same.
236
237 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
238
239         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
240         CLooG's value_* macros to their respective mpz_* counterparts.
241         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
242         (graphite_create_new_loop_guard): Same.
243         * graphite-interchange.c (build_linearized_memory_access): Same.
244         (pdr_stride_in_loop): Same.
245         (memory_strides_in_loop_1): Same.
246         (1st_interchange_profitable_p): Same.
247         * graphite-poly.c (extend_scattering): Same.
248         (psct_scattering_dim_for_loop_depth): Same.
249         (pbb_number_of_iterations): Same.
250         (pbb_number_of_iterations_at_time): Same.
251         * graphite-poly.h (new_1st_loop): Same.
252         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
253         (oppose_constraint): Same.
254         (insert_constraint_into_matrix): Same.
255         (ppl_set_inhomogeneous_gmp): Same.
256         (ppl_set_coef_gmp): Same.
257         (ppl_strip_loop): Same.
258         (ppl_lexico_compare_linear_expressions): Same.
259         (ppl_max_for_le_pointset): Same.
260         (ppl_min_for_le_pointset): Same.
261         (ppl_build_realtion): Same.
262         * graphite-ppl.h (gmp_cst_to_tree): Same.
263         (ppl_set_inhomogeneous): Same.
264         (ppl_set_inhomogeneous_tree): Same.
265         (ppl_set_coef): Same.
266         (ppl_set_coef_tree): Same.
267         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
268         (build_scop_scattering): Same.
269         (add_value_to_dim): Same.
270         (scan_tree_for_params_right_scev): Same.
271         (scan_tree_for_params_int): Same.
272         (scan_tree_for_params): Same.
273         (find_params_in_bb): Same.
274         (find_scop_parameters): Same.
275         (add_upper_bounds_from_estimated_nit): Same.
276         (build_loop_iteration_domains): Same.
277         (create_linear_expr_from_tree): Same.
278         (add_condition_to_domain): Same.
279         (pdr_add_memory_accesses): Same.
280
281 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
282             Jason Merrill  <jason@redhat.com>
283
284         * c-common.c (c_common_reswords): Add nullptr.
285         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
286         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
287         (gen_type_die_with_usage): Likewise.
288         * dbxout.c (dbxout_type): Likewise.
289         * sdbout.c (plain_type_1): Likewise.
290
291 2010-05-06  Jason Merrill  <jason@redhat.com>
292
293         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
294         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
295         ret appropriately.
296         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
297
298         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
299         stripping WITH_SIZE_EXPR.
300         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
301         change.
302
303 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
304
305         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
306         list of obsolete configurations.
307         Disabled check for obsolete configurations.
308         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
309         Removed support for previous versions.
310         * config/mips/iris.h: Removed.
311         * config/mips/iris5.h: Removed.
312         * config/mips/iris6.h: Merged old iris.h contents.
313         (TARGET_IRIX): Removed.
314         (DRIVER_SELF_SPECS): Removed mabi=32.
315         (IDENT_ASM_OP): Removed undef.
316         (STARTFILE_SPEC): Removed mabi=32.
317         (ENDFILE_SPEC): Likewise.
318         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
319         (MACHINE_TYPE): Update for IRIX 6.5.
320         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
321         TARGET_IRIX by TARGET_IRIX6.
322         (mips_file_start): Likewise.
323         (mips_output_external): Remove IRIX 5/6 O32 support.
324         (mips_output_function_prologue): Likewise.
325         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
326         TARGET_IRIX6.
327         (TARGET_CPU_CPP_BUILTINS): Likewise.
328         (TARGET_IRIX): Removed.
329         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
330         (MULTILIB_DIRNAMES): Removed 32.
331         (MULTILIB_OSDIRNAMES): Removed ../lib.
332         * doc/install.texi (Prerequisites): Don't reference IRIX before
333         6.5.
334         (Specific, mips-sgi-irix5): Document removal.
335         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI
336         removal.
337         Remove references to older IRIX 6 releases and the O32 ABI.
338
339 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
340
341         * gcc.dg/Wunused-var-8.c: Move to...
342         * c-c++-common/Wunused-var-6.c: ... here.  New test.
343
344         PR bootstrap/43994
345         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
346         instead of DF_REF_REAL_REG.
347
348 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
349
350         PR target/43888
351         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
352         handling to still return true for x64 targets.
353
354 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
355
356         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
357
358 2010-05-06  Jan Hubicka  <jh@suse.cz>
359
360         PR tree-optimization/43791
361         * ipa-inline.c (update_caller_keys): Remove bogus
362         disregard_inline_limits check.
363
364 2010-05-06  Michael Matz  <matz@suse.de>
365
366         PR tree-optimization/43984
367         * tree-ssa-pre.c (inserted_phi_names): Remove.
368         (inserted_exprs): Change to bitmap.
369         (create_expression_by_pieces): Set bits, don't append to vector.
370         (insert_into_preds_of_block): Don't handle inserted_phi_names.
371         (eliminate): Don't look at inserted_phi_names, remove deleted
372         insns from inserted_exprs.
373         (remove_dead_inserted_code): Adjust to use bitmaps instead of
374         vectors.
375         (init_pre, fini_pre): Allocate and free bitmaps.
376         (execute_pre): Insert insns on edges before elimination.
377
378 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
379
380         * tree.c (initializer_zerop): Handle STRING_CST.
381
382 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
383
384         PR 40989
385         * doc/invoke.texi (Wimplicit): Document as C only.
386         * opts.c (common_handle_option): Add argument kind.
387         (handle_option): Rename as read_cmdline_option. Factor out code to...
388         (handle_option): ... here. New.
389         (handle_options): Rename as read_cmdline_options.
390         (decode_options): Update call.
391         (set_option): Use option index instead of option pointer. Classify
392         diagnostics correctly.
393         (enable_warning_as_error): Call handle_option.
394         * opts.h (set_option): Update declaration.
395         (handle_option): Declare.
396         * langhooks.h (struct lang_hooks): Add argument kind to
397         handle_option.
398         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
399         * c-opts.c (set_Wimplicit): Delete.
400         (c_family_lang_mask): New static constant.
401         (c_common_handle_option): Add argument kind. Use handle_option
402         instead of set_Wimplicit.
403         (c_common_post_options): warn_implicit and warn_implicit_int
404         are disabled by default.
405         * c-common.c (warn_implicit): Do not define here.
406         * c-common.h (warn_implicit): Do not declare here.
407         (c_common_handle_option): Update declaration.
408         * lto-opts.c (lto_reissue_options): Update call to set_option.
409
410 2010-05-06  Richard Guenther  <rguenther@suse.de>
411
412         PR tree-optimization/43571
413         * domwalk.c (walk_dominator_tree): Walk the dominator
414         sons in more optimal order.
415
416 2010-05-06  Richard Guenther  <rguenther@suse.de>
417
418         PR tree-optimization/43934
419         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
420         (stmt_cost): Likewise.
421         (extract_true_false_args_from_phi): New helper.
422         (determine_max_movement): For PHI nodes verify we can hoist them
423         and compute their cost.
424         (determine_invariantness_stmt): Handle PHI nodes.
425         (move_computations_stmt): Likewise.  Hoist PHI nodes in
426         if-converted form using COND_EXPRs.
427         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI
428         nodes.
429         (tree_ssa_lim): Likewise.
430         * tree-flow.h (tree_ssa_lim): Adjust prototype.
431         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
432
433 2010-05-06  Richard Guenther  <rguenther@suse.de>
434
435         PR tree-optimization/43987
436         * tree-ssa-structalias.c (could_have_pointers): For possibly
437         address-taken variables force pointers to be recorded.
438         (create_variable_info_for_1): Likewise.
439         (push_fields_onto_fieldstack): Pass in wheter all fields
440         must have pointers.
441         (find_func_aliases): Query types instead of vars whether
442         they contain pointers where appropriate.
443
444 2010-05-06  Jan Hubicka  <jh@suse.cz>
445
446         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
447         (record_reference, mark_address, mark_load, mark_store): Record
448         references.
449         (record_references_in_initializer): Update call of record_references.
450         (rebuild_cgraph_edges): Remove all references before rebuiding.
451         * cgraph.c (cgraph_create_node): Clear ref list.
452         (cgraph_remove_node): Remove references.
453         (dump_cgraph_node): Dump references.
454         (cgraph_clone_node): Clone references.
455         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
456         (struct cgraph_node, varpool_node): Add ref_lst.
457         * ipa-ref.c: New file.
458         * ipa-ref.h: New file.
459         * ipa-ref-inline.h: New file.
460         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
461         (referenced_from_other_partition_p): New function.
462         (lto_output_varpool_node): Take set arugment; call
463         referenced_from_other_partition.
464         (lto_output_ref): New.
465         (add_references): New.
466         (output_refs): New.
467         (output_cgraph): Compute boundary based on references;
468         output refs.
469         (output_varpool): Accept cgraph_node_set argument.
470         (input_ref): New.
471         (input_refs): New.
472         (input_cgraph): Call input_refs.
473         * lto-section-in.c (lto_section_name): Add refs.
474         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
475         (ipa-ref.o): New file.
476         * varpool.c (varpool_node): Clear ipa ref list.
477         (varpool_remove_node): Remove references.
478         (dump_varpool_node): Dump references.
479         (varpool_assemble_decl): Only compile finalized ones.
480         (varpool_extra_name_alias): Initialize ref list.
481         * lto-streamer.c (lto-get_section_name): Add .refs section.
482         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
483         (referenced_from_other_partition_p): Declared.
484
485 2010-05-06  Ira Rosen  <irar@il.ibm.com>
486
487         PR tree-optimization/43901
488         * tree-vect-stmts.c (vectorizable_call): Assert that vector
489         type is not NULL if it's transformation phase, and return
490         FALSE if it's analysis.
491         (vectorizable_conversion, vectorizable_operation, 
492         vectorizable_type_demotion, vectorizable_type_promotion):
493         Likewise.
494
495 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
496
497         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
498         Delete.
499         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
500         New define.
501         * config/mips/mips-protos.h
502         (mips_small_register_classes_for_mode_p): Delete prototype.
503
504 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
505
506         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
507         * config/arm/arm.c (multiple_operation_profitable_p,
508         compute_offset_order): New static functions.
509         (load_multiple_sequence, store_multiple_sequence): Use them.
510         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
511         memory offsets, not register numbers.
512         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
513
514 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
515
516         * stor-layout.c (pending_sizes): Change the type to
517         VEC(tree,gc) *.
518         (get_pending_sizes, put_pending_size, put_pending_sizes):
519         Update the uses of pending_sizes.
520         * c-decl.c (store_parm_decls): Likewise.
521         * c-tree.h (struct c_arg_info): Likewise.
522         * tree.h: Update the prototype for get_pending_sizes and
523         put_pending_sizes.
524
525 2010-05-05  Jason Merrill  <jason@redhat.com>
526
527         PR debug/43370
528         * c-common.c (handle_aligned_attribute): Respect
529         ATTR_FLAG_TYPE_IN_PLACE.
530
531         PR testsuite/43758
532         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
533         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
534         (TARGET_INITIALIZER): Use it.
535         * c-common.c (attribute_takes_identifier_p): Call it.
536         * c-common.h: Update prototype.
537         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
538         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
539
540 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
541
542         PR debug/43950
543         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
544         DW_ID_down_case for Fortran compilation units.
545
546 2010-05-05  Jan Hubicka  <jh@suse.cz>
547
548         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
549         handle aliases.
550
551 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
552
553         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
554         a variable-sized RESULT_DECL.
555
556 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
557
558         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
559
560 2010-05-05  Jason Merrill  <jason@redhat.com>
561
562         PR c++/43787
563         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
564         returns GS_OK.
565         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
566
567 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
568             Jakub Jelinek  <jakub@redhat.com>
569
570         PR debug/43478
571         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
572         (dead_debug_init, dead_debug_finish): New functions.
573         (dead_debug_add, dead_debug_insert_before): Likewise.
574         (df_note_bb_compute): Initialize a dead_debug object, add dead
575         debug uses to it, insert debug bind insns before death insns,
576         reset debug insns that refer to pending uses at the end.
577         * rtl.h (make_debug_expr_from_rtl): New prototype.
578         * varasm.c (make_debug_expr_from_rtl): New function.
579
580 2010-05-05  Jan Hubicka  <jh@suse.cz>
581
582         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
583         (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
584         lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
585         lto_varpool_encoder_encode_initializer_p,
586         lto_set_varpool_encoder_encode_initializer): New functions.
587         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
588         call output_varpool.
589         (input_varpool_node): Do not always set analyzed.
590         (input_cgraph_1): Return vector of cgraph nodes.
591         (input_varpool_1): Return vector of varpools.
592         (input_cgraph): Free the vectors.
593         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
594         output only initializers needed.
595         (lto_output): Only call output_cgraph.
596         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
597         * lto-section-out.c (lto_new_out_decl_state): Initialize
598         state->varpool_node_encoder.
599         * lto-streamer.h (lto_varpool_encoder_d): New.
600         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.     
601         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
602         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
603         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
604         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
605         Declare.
606         (output_varpool, input_varpool): Remove declarations.
607
608 2010-05-05  Jan Hubicka  <jh@suse.cz>
609
610         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
611         with body can prevail.
612
613 2010-05-05  Jan Hubicka  <jh@suse.cz>
614
615         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
616         size.
617
618 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
619
620         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
621         dependencies.
622
623         * gengtype.h (erro_at_line): Constify pos argument.
624
625         * gengtype.c: Include hashtab.h.
626         (enum gc_used): Document GC_MAYBE_POINTED_TO.
627         (error_at_line): Constify pos argument.
628         (do_typedef): Initialize p->opt field.
629         (get_file_gtfilename): Fix comment typo.
630         (struct walk_type_data): Constify line field.
631         (get_output_file_for_structure): New function.
632         (write_local_func_for_structure): Constify orig_s argument.
633         Use get_output_file_for_structure.
634         (write_func_for_structure): Use get_output_file_for_structure.
635         (INDENT): New define.
636         (dump_pair, dump_type, dump_type_list, dump_typekind)
637         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
638         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
639         functions.
640         (seen_types): New variable.
641         (main): New variable do_dump.  Process "-d" command line option.
642         Call dump_everything if dump requested.
643
644 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
645
646         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
647         in a temporary instead of invoking the macro multiple times.
648         (track_expr_p): Likewise.
649
650 2010-05-04  Neil Vachharajani <nvachhar@google.com>
651
652         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
653         per new semantics.
654         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
655         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
656         conditions for printing notes.
657         * common.opt (-Wcoverage-mismatch): Allow negative, default to
658         true, update documentation.
659         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
660
661 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
662
663         PR c/43981
664         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
665         on dimen.
666
667 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
668
669         PR target/43799
670         * config/i386/i386.md (sse_prologue_save): Add clobber CC
671         register.
672         (*sse_prologue_save_insn1): Likewise.
673         (SSE prologue save splitter): Likewise.
674
675 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
676
677         * tree.c (free_lang_data_in_one_sizepos): New inline function.
678         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
679         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
680         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
681         all decls.  Call it on DECL_FIELD_OFFSET of fields.
682         (find_decls_types_r): Follow DECL_VALUE_EXPR.
683         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
684
685 2010-05-04  Martin Jambor  <mjambor@suse.cz>
686
687         * tree-sra.c (build_access_from_expr_1): The first parameter type
688         changed to simple tree.
689         (build_access_from_expr): Likewise, gsi parameter was eliminated.
690         (scan_assign_result): Renamed to assignment_mod_result, enum elements
691         renamed as well.
692         (build_accesses_from_assign): Removed all parameters except for a
693         simple gimple statement.  Now returns a simple bool.
694         (scan_function): All non-analysis parts moved to separate functions
695         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
696         parameters and updated both callers.
697         (sra_modify_expr): Removed parameter data.
698         (sra_modify_function_body): New function.
699         (perform_intra_sra): Call sra_modify_function_body to modify the
700         function body.
701         (replace_removed_params_ssa_names): Parameter data changed into
702         adjustments vector.
703         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
704         changed the parameter dont_convert to convert with the opposite
705         meaning.
706         (sra_ipa_modify_assign): Parameter data changed into adjustments
707         vector, return value changed to bool.
708         (ipa_sra_modify_function_body): New function.
709         (sra_ipa_reset_debug_stmts): Updated a comment.
710         (modify_function): Use ipa_sra_modify_function_body to modify function
711         body.
712
713 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
714
715         PR middle-end/43671
716         * alias.c (true_dependence): Handle the same VALUE in x and mem.
717         (canon_true_dependence): Likewise.
718         (write_dependence_p): Likewise.
719
720 2010-05-04  Jan Hubicka  <jh@suse.cz>
721
722         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
723         * cgraphbuild.c: Include ipa-utils.h
724         (record_reference_ctx): New struct.
725         (record_reference): Simplify to work on initializers; not statements.
726         (mark_address, mark_load, mark_store): New.
727         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
728         walk PHI nodes too.
729         (record_references_in_initializer): Update use of record_reference.
730         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
731         walk PHI nodes too.
732
733 2010-05-04  Jan Hubicka  <jh@suse.cz>
734
735         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
736         node will be removed anyway.
737         (lto_varpool_replace_node): Allow also unanalyzed nodes;
738         relink aliases of node into prevailing node.
739         * varpool.c (varpool_remove_node): Remove aliases properly;
740         when removing node, remove all its aliases too; remove DECL_INITIAL
741         of removed node; ggc_free the varpool node.
742
743 2010-05-04  Richard Guenther  <rguenther@suse.de>
744
745         PR tree-optimization/43879
746         * tree-ssa-structalias.c (alias_get_name): Use
747         DECL_ASSEMBLER_NAME if available.
748         (create_function_info_for): Return the varinfo node.
749         (ipa_pta_execute): Associate same-body aliases and extra names
750         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
751
752 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
753
754         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
755         static.
756
757 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
758
759         PR bootstrap/43964
760         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
761         only if HONOR_REG_ALLOC_ORDER is not defined.
762
763 2010-05-04  Richard Guenther  <rguenther@suse.de>
764
765         PR tree-optimization/43949
766         * tree-vrp.c (extract_range_from_binary_expr): Only handle
767         TRUNC_MOD_EXPR.
768
769 2010-04-26  Jason Merrill  <jason@redhat.com>
770
771         * c.opt (-fstrict-enums): New.
772         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
773
774 2010-05-03  David Ung <davidu@mips.com>
775             James E. Wilson  <wilson@codesourcery.com>
776
777         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
778         emit the trap instruction before the divide for TUNE_74K.
779
780 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
781
782         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
783         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
784         based on the above, for new target hook.
785
786         * hooks.c (hook_bool_mode_true): New generic hook.
787         * hooks.h (hook_bool_mode_true): Add prototype.
788
789         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
790         target hook.
791         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
792         target hook, set to hook_bool_mode_false.
793         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
794         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
795         with targetm.small_register_classes_for_mode_p.
796         (find_reusable_reload): Likewise.
797         (combine_reloads): Likewise.
798         * reload1.c (reload_as_needed): Likewise.
799         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
800         * ifcvt.c (noce_process_if_block, check_cond_move_block,
801         dead_or_predicable): Likewise.
802         * regmove.c (optimize_reg_copy_1): Likewise.
803         * calls.c (prepare_call_address): Likewise.
804         (precompute_register_parameters): Likewise.
805
806         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
807         hook definition.
808         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
809         implementation of the hook that considers all register classes
810         small except for SH64.
811         (sh_override_options): Use the new hook.
812         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
813         Add prototype.
814
815         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
816         hook definition.
817         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
818         implementation of the hook that considers all register classes
819         small for THUMB1.
820         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
821         Add prototype.
822
823         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
824         hook definition.
825         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
826         implementation of the hook that considers all register classes
827         small for MIPS16.
828         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
829         Add prototype.
830
831         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
832         hook definition.
833         * config/m32c/m32c.h: Likewise.
834         * config/pdp11/pdp11.h: Likewise.
835         * config/avr/avr.h: Likewise.
836         * config/xtensa/xtensa.h: Likewise.
837         * config/m68hc11/m68hc11.h: Likewise.
838         * config/mn10300/mn10300.h: Likewise.
839         * config/mcore/mcore.h: Likewise.
840         * config/h8300/h8300.h: Likewise.
841         * config/bfin/bfin.h: Likewise.
842
843         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
844         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
845
846 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
847
848         * double-int.h (tree_to_double_int): Remove macro.
849         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
850         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
851         (tree_to_double_int): New function.
852         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
853         Move ...
854         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
855
856 2010-05-03  Richard Guenther  <rguenther@suse.de>
857
858         PR tree-optimization/43971
859         * tree-ssa-structalias.c (get_constraint_for_1): Fix
860         constraints in the !flag_delete_null_pointer_checks case.
861
862 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
863
864         PR debug/43972
865         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
866         result mode matches original rtl mode.
867
868 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
869
870         PR target/43888
871         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
872
873 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
874
875         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
876         when processing flag options.
877
878 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
879
880         * gcov-iov.c (main): Change format string placeholder
881         from %#08x to 0x%08x.
882         * genchecksum.c (dosum): Change format string placeholder
883         from %#02x to 0x%02x.
884
885 2010-05-02  Richard Guenther  <rguenther@suse.de>
886
887         PR tree-optimization/43879
888         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
889
890 2010-05-02  Bruno Haible  <bruno@clisp.org>
891
892         * doc/extend.texi (Function Attributes): Fix a typo.
893
894 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
895
896         Revert:
897         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
898         placeholder from 0x%x to %#x.
899         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
900         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
901         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
902         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
903         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
904         * config/i386/i386.c (ix86_target_string): Ditto.
905         * config/i386/i386.c (output_pic_addr_const): Ditto.
906         (print_operand): Ditto.
907
908 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
909
910         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
911         placeholder from 0x%x to %#x.
912         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
913         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
914         (ASM_OUTPUT_DEBUG_DATA): Ditto.
915         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
916         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
917         * optc-gen.awk: Ditto.
918         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
919         (HOST_WIDE_INT_PRINT_HEX): Ditto.
920         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
921         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
922
923 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
924
925         * target.h (struct calls): Add function_value_regno_p field.
926         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
927         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
928         * targhooks.c (default_function_value_regno_p): New function.
929         * targhooks.h (default_function_value_regno_p): Declare function.
930         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
931         * builtins.c. (apply_result_size): (Ditto.).
932         * combine.c. (likely_spilled_retval_p): (Ditto.).
933         * mode-switching.c. Include 'target.h'.
934         (create_pre_exit): Use function_value_regno_p hook.
935         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
936         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
937         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
938
939         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
940         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
941         (ix86_function_value_regno_p): Declare as static, change argument
942         type to const unsigned int.
943         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
944
945 2010-05-01  Richard Guenther  <rguenther@suse.de>
946
947         PR tree-optimization/43949
948         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
949         types.
950         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
951
952 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
953
954         * rtl.h (CONST_DOUBLE_P): Define.
955         (rtx_to_double_int): Declare.
956         * emit-rtl.c (rtx_to_double_int): New function.
957         * dwarf2out.c (insert_double): New function.
958         (loc_descriptor, add_const_value_attribute): Clean up, use
959         rtx_to_double_int and insert_double functions.
960
961 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
962
963         * doc/extend.texi (Inline): Add missing return keyword to examples.
964         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
965         "command-line".
966
967 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
968
969         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
970         the variable part of the offset as well.  Use highest_pow2_factor for
971         all alignment checks.
972
973 2010-04-30  Richard Guenther  <rguenther@suse.de>
974
975         PR tree-optimization/43879
976         * tree-ssa-structalias.c (type_could_have_pointers): Functions
977         can have pointers.
978
979 2010-04-30  Jan Hubicka  <jh@suse.cz>
980
981         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
982         varpool.
983         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
984
985 2010-04-30  Jan Hubicka  <jh@suse.cz>
986
987         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
988         New.
989         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
990         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
991         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
992         cgraph_node_set_needs_ltrans_p): Remove.
993
994 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
995
996         * sdbout.c: Include vec.h, do not include varray.h.
997         (deferred_global_decls, sdbout_global_decl,
998         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
999         * toplev.c: Do not include varray.h.
1000         (dump_memory_report): Do not dump VARRAY statistics.
1001         * gengtype.c (open_base_file): Ignore varray.h.
1002         * Makefile.in: Update for abovementioned changes.
1003         Remove all traces of varray.c and varray.h.
1004         * varray.c: Remove file.
1005         * varray.h: Remove file.
1006
1007 2010-04-30  Jan Hubicka  <jh@suse.cz>
1008
1009         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1010         references.
1011
1012 2010-04-30  Jan Hubicka  <jh@suse.cz>
1013
1014         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1015         needed.
1016
1017 2010-04-30  Richard Guenther  <rguenther@suse.de>
1018
1019         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1020         constraints for CONSTRUCTOR.
1021
1022 2010-04-30  Richard Guenther  <rguenther@suse.de>
1023
1024         PR lto/43946
1025         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1026         first after all lowering passes.
1027
1028 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1029
1030         * toplev.c: Include varray.h for statistics dumping.
1031         * tree.h: Do not declare varray_head_tag.
1032         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1033         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1034         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1035         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1036         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1037         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1038         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1039         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1040         include varray.h.
1041         * Makefile.in: Update for abovementioned changes.
1042
1043 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1044
1045         PR debug/43942
1046         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1047
1048 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1049
1050         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1051         Use this function to do machine-specific conversion.
1052         (picochip_legitimize_reload_address): Likewise.
1053         (picochip_legitimate_address_p): Check valid base register only if
1054         strict.
1055         (picochip_check_conditional_copy): Check for modw only if opnd is
1056         register.
1057         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1058         to call the function in c.
1059         * config/picochip/picochip-protos.h
1060         (picochip_legitimize_reload_address): Define.
1061         * config/picochip/picochip.md (supported_compare1): Define.
1062
1063 2010-04-30  Jan Hubicka  <jh@suse.cz>
1064
1065         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1066         (cgraph_global_info): Remove inlined.
1067         (LTO_cgraph_tag_names): Remove.
1068         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1069         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1070         simplify cgraph tags and document.
1071         (lto_output_node): Use only LTO_cgraph_unavail_node and
1072         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1073         for_functions_valid, global info, process and output flags.
1074         (input_overwrite_node): Initialize estimated stack size and
1075         estimated growth.  Do not read flags we no longer store.
1076         (input_node): Likewise do not read info no longer stored.
1077         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1078         flag.
1079
1080 2010-04-30  Richard Guenther  <rguenther@suse.de>
1081
1082         PR tree-optimization/43879
1083         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1084         handle non-zero initializers.
1085
1086 2010-04-30  Richard Guenther  <rguenther@suse.de>
1087
1088         * builtins.c (fold_builtin_1): Delete free (0).
1089
1090 2010-04-29  Jan Hubicka  <jh@suse.cz>
1091
1092         * gengtype.c (open_base_files): Add lto-streamer.h
1093         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1094         (pass_ipa_cp): GGC collect.
1095         * toplev. (compile_file): Do not output symbols.
1096         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1097         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1098         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1099         * lto-section-in.c: Include ggc.h
1100         (lto_new_in_decl_state): Alloc in GGC.
1101         (lto_delete_in_decl_state): Likewise.
1102         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1103         Collect.
1104
1105 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1106
1107         PR target/42895
1108         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1109         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1110         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1111         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1112         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1113         account only if HONOR_REG_ALLOC_ORDER is not defined.
1114         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1115         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1116
1117 2010-04-29  Jon Grant  <04@jguk.org>
1118
1119         * collect2.c (vflag): Change type from int to bool.
1120         (debug): Likewise.
1121         (helpflag): New global bool.
1122         (main): Set vflag and debug with boolean, not integer truth values.
1123         Accept new "--help" option and output usage text if found.
1124         * collect2.h (vflag): Update prototype.
1125         (debug): Likewise.
1126
1127 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1128
1129         PR bootstrap/43936
1130         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1131
1132 2010-04-29  Richard Guenther  <rguenther@suse.de>
1133
1134         PR bootstrap/43935
1135         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1136         with ATTRIBUTE_UNUSED.
1137
1138 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1139
1140         PR target/43921
1141         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1142         INSN_P with NONDEBUG_INSN_P.
1143         (distance_non_agu_define): Likewise.
1144         (distance_agu_use): Likewise.
1145
1146 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1147
1148         From Dominique d'Humieres <dominiq@lps.ens.fr>
1149         PR bootstrap/43858
1150         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1151         test_set.
1152
1153 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1154
1155         * plugin.h (invoke_plugin_callbacks): New inline function.
1156         * plugin.c (flag_plugin_added): New global flag.
1157         (add_new_plugin): Initialize above flag.
1158         (invoke_plugin_callbacks): Rename to ...
1159         (invoke_plugin_callbacks_full): ... this.
1160
1161 2010-04-28  Jan Hubicka  <jh@suse.cz>
1162
1163         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1164         (lto_varpool_replace_node): New.
1165         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1166         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1167         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1168         * cgraph.h (varpool_node_ptr): New type.
1169         (varpool_node_ptr): New vector.
1170         (varpool_node_set_def): New structure.
1171         (varpool_node_set): New type.
1172         (varpool_node_set): New vector.
1173         (varpool_node_set_element_def): New structure.
1174         (varpool_node_set_element, const_varpool_node_set_element): New types.
1175         (varpool_node_set_iterator): New type.
1176         (varpool_node): Add prev pointers, add used_from_other_partition,
1177         in_other_partition.
1178         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1179         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1180         varpool_get_node, varpool_remove_node): Declare.
1181         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1182         varpool_node_set_size): New inlines.
1183         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1184         * tree-pass.h (varpool_node_set_def): Forward declare.
1185         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1186         (ipa_write_optimization_summaries): Update prototype.
1187         * ipa-cp.c (ipcp_write_summary): Update.
1188         * ipa-reference.c (ipa_reference_write_summary): Update.
1189         * lto-cgraph.c (lto_output_varpool_node): New static function.
1190         (output_varpool): New function.
1191         (input_varpool_node): New static function.
1192         (input_varpool_1): New function.
1193         (input_cgraph): Input varpool.
1194         * ipa-pure-const.c (pure_const_write_summary): Update.
1195         * lto-streamer-out.c (lto_output): Update, output varpool too.
1196         (write_global_stream): Kill WPA hack.
1197         (produce_asm_for_decls): Update.
1198         (output_alias_pair_p): Handle variables.
1199         (output_unreferenced_globals): Output only needed partition of varpool.
1200         * ipa-inline.c (inline_write_summary): Update.
1201         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1202         cgraph.
1203         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1204         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1205         varpool_node_set_new, varpool_node_set_add,
1206         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1207         debug_varpool_node_set): New functions.
1208         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1209         (execute_one_pass): Process new decls too.
1210         (ipa_write_summaries_2): Pass around vsets.
1211         (ipa_write_summaries_1): Likewise.
1212         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1213         to add.
1214         (ipa_write_optimization_summaries_1): Pass around vsets.
1215         (ipa_write_optimization_summaries): Likewise.
1216         * varpool.c (varpool_get_node): New.
1217         (varpool_node): Update doubly linked lists.
1218         (varpool_remove_node): New.
1219         (dump_varpool_node): More dumping.
1220         (varpool_enqueue_needed_node): Update doubly linked lists.
1221         (decide_is_variable_needed): Kill ltrans hack.
1222         (varpool_finalize_decl): Kill lto hack.
1223         (varpool_assemble_decl): Skip decls in other partitions.
1224         (varpool_assemble_pending_decls): Update doubly linkes lists.
1225         (varpool_empty_needed_queue): Likewise.
1226         (varpool_extra_name_alias): Likewise.
1227         * lto-streamer.c (lto_get_section_name): Add vars section.
1228         * lto-streamer.h (lto_section_type): Update.
1229         (output_varpool, input_varpool): Declare.
1230
1231 2010-04-28  Mike Stump  <mikestump@comcast.net>
1232
1233         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1234
1235 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1236
1237         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1238         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1239         (lto_input_ts_type_tree_pointers): Likewise.
1240         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1241         (lto_output_ts_type_tree_pointers): Likewise.
1242
1243 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1244
1245         Uniquization of constants at the Tree level
1246         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1247         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1248         bit to the end.
1249         (tree_output_constant_def): Declare.
1250         * gimplify.c (gimplify_init_constructor): When using block copy, first
1251         uniquize the constant constructor on the RHS.
1252         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1253         DECL_IN_CONSTANT_POOL flag.
1254         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1255         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1256         constant pool.
1257         (assemble_variable): Deal with symbols belonging to the tree constant
1258         pool.
1259         (get_constant_section): Add ALIGN parameter and simplify.
1260         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1261         (assemble_constant_contents): Use the expression of the VAR_DECL.
1262         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1263         (tree_output_constant_def): New global function.
1264         (mark_constant): Use the expression of the VAR_DECL.
1265         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1266         its expression.
1267         (output_object_block): Likewise and assemble the expression.
1268
1269 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1270
1271         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1272         hash_tree, eq_tree): New tree hash table.
1273         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1274         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1275         lto_orig_address_remove): Reimplement.
1276
1277 2010-04-28  Xinliang David Li  <davidxl@google.com>
1278
1279         PR c/42643
1280         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1281         (compute_uninit_opnds_pos): New function.
1282         (is_non_loop_exit_postdominating): New function.
1283         (compute_control_dep_chain): New function.
1284         (find_pdom): New function.
1285         (convert_control_dep_chain_into_preds): New function.
1286         (find_predicates): New function.
1287         (find_control_equiv_block): New function.
1288         (collect_phi_def_edges): New function.
1289         (find_def_preds): New function.
1290         (find_dom): New function.
1291         (dump_predicates): New function.
1292         (get_cmp_code): New function.
1293         (is_value_included_in): New function.
1294         (find_matching_predicate_in_rest_chains): New function.
1295         (use_pred_not_overlap_with_undef_path_pred): New function.
1296         (is_use_properly_guarded): New function.
1297         (normalize_cond_1): New function.
1298         (is_and_or_or): New function.
1299         (normalize_cond): New function.
1300         (is_gcond_subset_of): New function.
1301         (is_subset_of_any): New function.
1302         (is_or_set_subset_of): New function.
1303         (is_and_set_subset_of): New function.
1304         (is_norm_cond_subset_of): New function.
1305         (is_pred_expr_subset_of): New function.
1306         (is_pred_chain_subset_of): New function.
1307         (is_included_in): New function.
1308         (is_superset_of): New function.
1309         (find_uninit_use): New function.
1310         (warn_uninitialized_phi): New function.
1311         (compute_possibly_undefined_names): New function.
1312         (ssa_undefined_value_p): New function.
1313         (execute_late_warn_uninitialized): New function.
1314         * tree-ssa.c (ssa_undefined_value_p): Removed.
1315         (warn_uninit): Changed to extern.
1316         (warn_uninitialized_phi): Removed.
1317         (warn_uninitialized_vars): Changed to extern.
1318         (execute_late_warn_uninitialized): Removed
1319         * tree-flow.h: Add new prototypes.
1320         * timevar.def: Add new time variable.
1321         * Makefile.in: Add new build file.
1322
1323 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1324
1325         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1326         type if available.
1327
1328 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1329
1330         PR target/22224
1331         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1332
1333 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1334
1335         * cgraph.h (struct cgraph_node): New field indirect_calls.
1336         (struct cgraph_indirect_call_info): New type.
1337         (struct cgraph_edge): Removed field indirect_call. New fields
1338         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1339         (cgraph_create_indirect_edge): Declare.
1340         (cgraph_make_edge_direct): Likewise.
1341         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1342         * ipa-prop.h (struct ipa_param_call_note): Removed.
1343         (struct ipa_node_params): Removed field param_calls.
1344         (ipa_create_all_structures_for_iinln): Declare.
1345         * cgraph.c: Described indirect edges and uids in initial comment.
1346         (cgraph_add_edge_to_call_site_hash): New function.
1347         (cgraph_edge): Search also among the indirect edges, use
1348         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1349         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1350         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1351         site hash.
1352         (initialize_inline_failed): Assign a reason to indirect edges.
1353         (cgraph_create_edge_1): New function.
1354         (cgraph_create_edge): Moved some functionality to
1355         cgraph_create_edge_1.
1356         (cgraph_create_indirect_edge): New function.
1357         (cgraph_edge_remove_callee): Add an assert checking for
1358         non-indirectness.
1359         (cgraph_edge_remove_caller): Special-case indirect edges.
1360         (cgraph_remove_edge): Likewise.
1361         (cgraph_set_edge_callee): New function.
1362         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1363         (cgraph_make_edge_direct): New function.
1364         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1365         the declaration of the call statement matches.
1366         (cgraph_node_remove_callees): Special-case indirect edges.
1367         (cgraph_clone_edge): Likewise.
1368         (cgraph_clone_node): Clone also the indirect edges.
1369         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1370         indirect_call, dump count of indirect_calls edges.
1371         * ipa-prop.c (iinlining_processed_edges): New variable.
1372         (ipa_note_param_call): Create indirect edges instead of
1373         creating notes.  New parameter node.
1374         (ipa_analyze_call_uses): New parameter node, pass it on to
1375         ipa_note_param_call.
1376         (ipa_analyze_stmt_uses): Likewise.
1377         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1378         (print_edge_addition_message): Work on edges rather than on notes.
1379         (update_call_notes_after_inlining): Likewise, renamed to
1380         update_indirect_edges_after_inlining.
1381         (ipa_create_all_structures_for_iinln): New function.
1382         (ipa_free_node_params_substructures): Do not free notes.
1383         (ipa_edge_duplication_hook): Propagate bits within
1384         iinlining_processed_edges bitmap.
1385         (ipa_node_duplication_hook): Do not duplicate notes.
1386         (free_all_ipa_structures_after_ipa_cp): Renamed to
1387         ipa_free_all_structures_after_ipa_cp.
1388         (free_all_ipa_structures_after_iinln): Renamed to
1389         ipa_free_all_structures_after_iinln.g
1390         (ipa_write_param_call_note): Removed.
1391         (ipa_read_param_call_note): Removed.
1392         (ipa_write_indirect_edge_info): New function.
1393         (ipa_read_indirect_edge_info): Likewise.
1394         (ipa_write_node_info): Do not stream notes, do stream information
1395         in indirect edges.
1396         (ipa_read_node_info): Likewise.
1397         (lto_ipa_fixup_call_notes): Removed.
1398         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1399         * ipa-inline.c (pass_ipa_inline): Likewise.
1400         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1401         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1402         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1403         is_gimple_call.
1404         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1405         edges.
1406         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1407         (output_cgraph): Stream also indirect edges.
1408         (lto_output_edge): Added capability to stream indirect edges.
1409         (input_edge): Likewise.
1410         (input_cgraph_1): Likewise.
1411         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1412         of indirect edges.
1413
1414 2010-04-28  Richard Guenther  <rguenther@suse.de>
1415
1416         PR tree-optimization/43879
1417         PR tree-optimization/43909
1418         * tree-ssa-structalias.c (struct variable_info): Add
1419         only_restrict_pointers flag.
1420         (new_var_info): Initialize it.  Increment stats.total_vars here.
1421         (create_function_info_for): Do not increment stats.total_vars
1422         here.
1423         (get_function_part_constraint): Fix build with C++.
1424         (insert_into_field_list): Remove.
1425         (push_fields_onto_fieldstack): Properly merge fields.
1426         (create_variable_info_for): Split and simplify.
1427         (create_variable_info_for_1): New piece.
1428         (intra_create_variable_infos): Properly make restrict constraints
1429         from parameters.
1430
1431 2010-04-28  Richard Guenther  <rguenther@suse.de>
1432
1433         PR c++/43880
1434         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1435
1436 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1437             Jan Hubicka <hubicka@ucw.cz>
1438
1439         * doc/invoke.texi (-Wsuggest-attribute=const,
1440         -Wsuggest-attribute=pure): Document.
1441         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1442         (function_always_visible_to_compiler_p,
1443         suggest_attribute, warn_function_pure, warn_function_const):
1444         New functions.
1445         (check_call): Improve debug info.
1446         (analyze_function): Do not check availability.
1447         (add_new_function): Check availability.
1448         (propagate): Output warnings.
1449         (skip_function_for_local_pure_const): New function.
1450         (local_pure_const): Use it; output warnings.
1451         * common.opt (Wsuggest-attribute=const,
1452         Wsuggest-attribute=pure): New.
1453
1454 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1455
1456         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1457         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1458         or DW_CFA_def_cfa_offset{,_sf}.
1459
1460 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1461
1462         * tree.h: Fix truncated long macros.
1463
1464 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1465
1466         * collect2.c (TARGET_64BIT): Redefine to target's default.
1467         * tlink.c: Likewise.
1468         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1469         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1470         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1471         for underscoring __USER_LABEL_PREFIX__.
1472         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1473         (SUB_LINK_ENTRY32): New.
1474         (SUB_LINK_ENTRY64): New.
1475         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1476         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1477         (SUB_LINK_ENTRY64): New.
1478         (SUB_LINK_ENTRY): New.
1479         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1480         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1481         x64 target is choosen.
1482         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1483         * configure: Regenerated.
1484         * configure.ac (leading-mingw64-underscores): Option added.
1485
1486 2010-04-27  Jan Hubicka  <jh@suse.cz>
1487
1488         * doc/invoke.texi (-fipa-profile): Document.
1489         * opts.c (decode_options): Enable ipa-profile at -O1.
1490         * timevar.def (TV_IPA_PROFILE): Define.
1491         * common.opt (fipa-profile): Add.
1492         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1493         flag for clones.
1494         (cgraph_propagate_frequency): Handle only local ones.
1495         * tree-pass.h (pass_ipa_profile): Declare.
1496         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1497         (pass_ipa_profile): Use TV_IPA_PROFILE.
1498         * ipa.c (ipa_profile): New function.
1499         (gate_ipa_profile): Likewise.
1500         (pass_ipa_profile): New global variable.
1501         * passes.c (pass_ipa_profile): New.
1502
1503 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1504
1505         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1506
1507 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1508
1509         PR middle-end/43812
1510         * ipa.c (dissolve_same_comdat_group_list): New function.
1511         (function_and_variable_visibility): Call
1512         dissolve_same_comdat_group_list when comdat group contains external or
1513         newly local nodes.
1514         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1515         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1516
1517 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1518
1519         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1520         (const_hash_1) <VECTOR_CST>: New case.
1521         (compare_constant) <VECTOR_CST>: Likewise.
1522         <ADDR_EXPR>: Deal with LABEL_REFs.
1523         (copy_constant) <VECTOR_CST>: New case.
1524
1525 2010-04-27  Jan Hubicka  <jh@suse.cz>
1526
1527         * cgraph.c (cgraph_propagate_frequency): New function.
1528         * cgraph.h (cgraph_propagate_frequency): Declare.
1529         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1530         cgraph_propagate_frequency.
1531
1532 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1533
1534         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1535
1536 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1537
1538         PR target/40657
1539         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1540         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1541         here to determine which regs to push and how much stack to reserve.
1542
1543 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1544
1545         * doc/gimple.texi (gimple_statement_with_ops): Remove
1546         addresses_taken field.
1547         (gimple_statement_with_memory_ops): Likewise.
1548
1549 2010-04-27  Jan Hubicka  <jh@suse.cz>
1550
1551         * tree-inline.c (eni_inlining_weights): Remove.
1552         (estimate_num_insns): Special case more builtins.
1553
1554 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1555
1556         PR c/32207
1557         * c-typeck.c (build_binary_op): Move forward check for comparison
1558         pointer with null pointer constant and adjust the diagnostic message.
1559
1560 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1561
1562         PR lto/42776
1563         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1564         binutils supports extended .section directive needed by LTO, or
1565         warn if older binutils found.
1566         (LTO_BINARY_READER): New AC_SUBST'd variable.
1567         (LTO_USE_LIBELF): Likewise.
1568         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1569         variable.
1570         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1571         (LTO_USE_LIBELF): Likewise.
1572         * configure: Regenerate.
1573
1574         * collect2.c (is_elf): Rename from this ...
1575         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1576          object files in addition to ELF-formatted ones.
1577         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1578         symbol to be prefixed or not by an extra underscore.
1579
1580         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1581         * config/i386/winnt.c: Also #include lto-streamer.h
1582         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1583         LTO named sections.
1584         (i386_pe_asm_output_aligned_decl_common): Add comment.
1585         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1586
1587 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1588
1589         PR target/43889
1590         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1591         Add missing earlyclobber for second alternative.
1592
1593 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1594
1595         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1596         bits for artificial defs at the top of the block.
1597         * fwprop.c (single_def_use_enter_block): Don't call it.
1598
1599 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1600
1601         PR 43715
1602         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1603         instead of "$gcc_cv_objdump -T".
1604         Use "-undefined dynamic_lookup" on darwin.
1605         * gcc/configure: Regenerate.
1606
1607 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1608
1609         PR c/43893
1610         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1611
1612 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1613
1614         * c-parser.c (struct c_token): Move location field up.
1615         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1616         (struct c_declspecs): Convert typespec_word, storage_class, and
1617         default_int_p into bitfields.
1618         (struct c_declarator): Move loc field up.
1619
1620 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1621
1622         * cfgloop.h (struct loop): Move can_be_parallel field up.
1623         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1624         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1625         down.
1626         (struct iv_cand): Convert pos field into a bitfield.
1627         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1628         field up.
1629         (struct _stmt_vec_info): Shuffle fields for better packing.
1630
1631 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1632
1633         * varasm.c (IN_NAMED_SECTION): Remove guard.
1634         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1635         (IN_NAMED_SECTION_P): ...this.
1636         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1637         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1638
1639 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1640
1641         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1642         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1643         of shadowing it.  Fix comments.
1644
1645 2010-04-26  Jan Hubicka  <jh@suse.cz>
1646
1647         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1648         (cgraph_clone_node): Copy function frequency.
1649         * cgraph.h (node_frequency): New enum
1650         (struct cgraph_node): Add.
1651         * final.c (rest_of_clean_state): Update.
1652         * lto-cgraph.c (lto_output_node): Output node frequency.
1653         (input_overwrite_node): Input node frequency.
1654         * tre-ssa-loop-ivopts (computation_cost): Update.
1655         * lto-streamer-out.c (output_function): Do not output function
1656         frequency.
1657         * predict.c (maybe_hot_frequency_p): Update and handle functions
1658         executed once.
1659         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1660         attribute lookup.
1661         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1662         (compute_function_frequency): Set noreturn functions to be executed
1663         once.
1664         (choose_function_section): Update.
1665         * lto-streamer-in.c (input_function): Do not input function frequency.
1666         * function.c (allocate_struct_function): Do not initialize function
1667         frequency.
1668         * function.h (function_frequency): Remove.
1669         (struct function): Remove function frequency.
1670         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1671         (try_update): Update.
1672         * tree-inline.c (initialize_cfun): Do not update function frequency.
1673         * passes.c (pass_init_dump_file): Update.
1674         * i386.c (ix86_compute_frame_layout): Update.
1675         (ix86_pad_returns): Update.
1676
1677 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1678
1679         PR tree-optimization/43833
1680         * tree-vrp.c (range_int_cst_p): New.
1681         (range_int_cst_singleton_p): New.
1682         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1683         when both operands are constants.  Use range_int_cst_p in
1684         BIT_IOR_EXPR case.
1685
1686 2010-04-26  Jan Hubicka  <jh@suse.cz>
1687
1688         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1689
1690 2010-04-26  Richard Guenther  <rguenther@suse.de>
1691
1692         PR lto/43080
1693         * gimple.c (gimple_decl_printable_name): Deal gracefully
1694         with a NULL DECL_NAME.
1695
1696 2010-04-26  Richard Guenther  <rguenther@suse.de>
1697
1698         PR lto/42425
1699         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1700         if emitting debug information and it is either a function
1701         or a namespace decl.
1702
1703 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1704
1705         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1706         determine if the statement is vectorizable, and a macro to access it.
1707         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1708         Skip statements that can't be vectorized. If the analysis fails,
1709         mark the statement as unvectorizable if vectorizing basic block.
1710         (vect_compute_data_refs_alignment): Likewise.
1711         (vect_verify_datarefs_alignment): Skip statements marked as
1712         unvectorizable. Add print.
1713         (vect_analyze_group_access): Skip statements that can't be
1714         vectorized. If the analysis fails, mark the statement as
1715         unvectorizable if vectorizing basic block.
1716         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1717         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1718         generated stmts for SLP.
1719         (new_stmt_vec_info): Initialize the new field.
1720         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1721         statements marked as unvectorizable.
1722
1723 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1724
1725         * c-common.c (flag_isoc1x): New.
1726         (flag_isoc99): Update comment.
1727         * c-common.h (flag_isoc1x): New.
1728         (flag_isoc99): Update comment.
1729         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1730         __<type>_DECIMAL_DIG__.
1731         * c-opts.c (set_std_c1x): New.
1732         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1733         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1734         * c.opt (-std=c1x, -std=gnu1x): New options.
1735         * doc/cpp.texi: Mention -std=c1x.
1736         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1737         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1738         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1739         * doc/standards.texi: Mention C1X.
1740         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1741         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1742         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1743         Define for C1X.
1744
1745 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1746
1747         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1748         placeholder from 0x%x to %#x.
1749         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1750         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1751         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1752         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1753         * config/i386/i386.c (ix86_target_string): Ditto.
1754         (output_pic_addr_const): Ditto.
1755         (print_operand): Ditto.
1756
1757 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1758
1759         * combine.c (find_split_point): Add third argument.  Use it
1760         to find nested multiply-accumulate instructions.  Adjust calls.
1761         (try_combine): Adjust call to find_split_point.
1762
1763 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1764
1765         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1766
1767 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1768
1769         PR tree-optimization/41442
1770         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1771         (fold_binary_loc): Call it.
1772
1773 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1774
1775         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1776         * opts.c (common_handle_option): Allow disabling it.
1777         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1778
1779 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1780
1781         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1782         between modes if both types are integral.
1783
1784 2010-04-23  Richard Guenther  <rguenther@suse.de>
1785
1786         PR tree-optimization/43572
1787         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1788
1789 2010-04-23  Richard Guenther  <rguenther@suse.de>
1790
1791         PR lto/43455
1792         * tree-inline.c (tree_can_inline_p): Also check compatibility
1793         of return types.
1794
1795 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1796
1797         PR tree-optimization/43846
1798         * tree-sra.c (struct access): New flag grp_assignment_read.
1799         (build_accesses_from_assign): Set grp_assignment_read.
1800         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1801         (enum mark_read_status): New type.
1802         (analyze_access_subtree): Propagate grp_assignment_read, create
1803         accesses also if both direct_read and root->grp_assignment_read.
1804
1805 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1806
1807         PR middle-end/43835
1808         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1809         function does not have type attributes.
1810
1811 2010-04-23  Richard Guenther  <rguenther@suse.de>
1812
1813         PR lto/42653
1814         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1815         of FUNCTION_DECLs.
1816
1817 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1818
1819         * sese.h (create_if_region_on_edge): Remove.
1820
1821         * sese.c (create_if_region_on_edge): Make static.
1822
1823         * tree-inline.c: Do not include ggc.h.
1824
1825         * expr.c: Do not include ggc.h.
1826
1827         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1828         dependencies.
1829
1830 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1831
1832         PR target/43744
1833         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1834         in the middle of insns for casesi_worker_2.
1835
1836 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1837
1838         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1839
1840 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1841
1842         PR tree-optimization/43842
1843         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1844         loop unrolling in update of exit phis. Fix comment.
1845         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1846         least two reduction statements in the loop before starting SLP
1847         analysis.
1848
1849 2010-04-22  Nick Clifton  <nickc@redhat.com>
1850
1851         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1852
1853 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1854
1855         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1856         to simplify a + ~a.
1857
1858 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1859
1860         * tree-parloops.c (loop_parallel_p): New argument
1861         parloop_obstack.  Pass it down.
1862         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1863         pass it down, free it.
1864
1865         * tree-loop-linear.c (linear_transform_loops): Pass down
1866         lambda_obstack.
1867
1868         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1869         of type struct obstack *.
1870
1871         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1872         scratch_obstack.  Initialize it, pass down, free it.
1873
1874         * lambda.h (lambda_loop_new): Remove.
1875         (lambda_matrix_new, lambda_matrix_inverse)
1876         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1877         argument of type struct obstack *.
1878
1879         * lambda-trans.c (lambda_trans_matrix_new): New argument
1880         lambda_obstack.  Pass it down, use obstack allocation for ret.
1881         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1882         it down.
1883
1884         * lambda-mat.c (lambda_matrix_get_column)
1885         (lambda_matrix_project_to_null): Remove.
1886         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1887         allocation for mat.
1888         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1889         lambda_obstack.
1890
1891         * lambda-code.c (lambda_loop_new): New function.
1892         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1893         (lambda_compute_auxillary_space, lambda_compute_target_space)
1894         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1895         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1896         (build_access_matrix): New argument lambda_obstack.  Use obstack
1897         allocation for am.
1898         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1899         argument lambda_obstack.  Pass it down.
1900
1901 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1902
1903         * optabs.h (expand_widening_mult): Declare.
1904
1905 2010-04-22  Richard Guenther  <rguenther@suse.de>
1906
1907         PR tree-optimization/43845
1908         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1909         lookup the CALL_EXPR function and arguments.
1910
1911 2010-04-22  Nick Clifton  <nickc@redhat.com>
1912
1913         * config/stormy16/stormy16.c
1914         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1915         * config/stormy16/stormy16.h: Tidy up formatting.
1916         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1917         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1918         (ineqbranchsi): Delete pattern.
1919         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1920         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1921         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1922         stormy16-lib2-ucmpsi2.c.
1923
1924 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1925
1926         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1927         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1928         extra set merge_set_noclobber, and use it to relax the final test
1929         slightly.
1930         * df.h (df_simulate_find_noclobber_defs): Declare.
1931         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1932         conditional defs.
1933         (df_simulate_find_noclobber_defs): New function.
1934
1935 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1936
1937         * config/i386/i386.md: Use {} around multi-line preparation statements.
1938
1939 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1940
1941         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1942         (process_init_element): New argument of type struct obstack *.
1943
1944         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1945         (set_init_index, set_init_label, set_nonincremental_init)
1946         (set_nonincremental_init_from_string, find_init_member)
1947         (output_init_element, output_pending_init_elements)
1948         (process_init_element): New argument braced_init_obstack.  Pass it
1949         down.
1950         (push_range_stack, add_pending_init): New argument
1951         braced_init_obstack.  Use obstack allocation.
1952
1953         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1954         braced_init_obstack.  Pass it down.
1955         (c_parser_braced_init): New variables ret, braced_init_obstack.
1956         Initialize obstack, pass it down and finally free it.
1957
1958 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1959
1960         PR middle-end/29274
1961         * tree-pass.h (pass_optimize_widening_mul): Declare.
1962         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1963         gate_optimize_widening_mul): New static functions.
1964         (pass_optimize_widening_mul): New.
1965         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1966         <case MULT_EXPR>: Remove support for widening multiplies.
1967         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1968         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1969         simplify_gen_unary rather than directly building extensions.
1970         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1971         WIDEN_MULT_EXPR.
1972         * expmed.c (expand_widening_mult): New function.
1973         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1974
1975 2010-04-21  Jan Hubicka  <jh@suse.cz>
1976
1977         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1978         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1979         * lto-wpa-fixup.c: Remove.
1980         * Makefile.in (lto-wpa-fixup.o): Remove.
1981         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1982         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1983         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1984
1985 2010-04-21  Jan Hubicka  <jh@suse.cz>
1986
1987         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1988         add write_optimization_summary, read_optimization_summary.
1989         (ipa_write_summaries_of_cgraph_node_set): Remove.
1990         (ipa_write_optimization_summaries): Declare.
1991         (ipa_read_optimization_summaries): Declare.
1992         * ipa-cp.c (pass_ipa_cp): Update.
1993         * ipa-reference.c (pass_ipa_reference): Update.
1994         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1995         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1996         Update.
1997         * ipa-inline.c (pass_ipa_inline): Update.
1998         * ipa.c (pass_ipa_whole_program): Update.
1999         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2000         * passes.c (ipa_write_summaries_1): Do not test wpa.
2001         (ipa_write_optimization_summaries_1): New.
2002         (ipa_write_optimization_summaries): New.
2003         (ipa_read_summaries): Do not test ltrans.
2004         (ipa_read_optimization_summaries_1): New.
2005         (ipa_read_optimization_summaries): New.
2006
2007 2010-04-21  Jan Hubicka  <jh@suse.cz>
2008
2009         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2010         for boundary nodes.
2011         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2012
2013 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2014
2015         PR debug/40040
2016         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2017         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2018
2019 2010-04-21  Jan Hubicka  <jh@suse.cz>
2020
2021         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2022
2023 2010-04-21  Jan Hubicka  <jh@suse.cz>
2024
2025         * varpool.c (decide_is_variable_needed): Variable is always needed
2026         during ltrans.
2027
2028 2010-04-21  Jan Hubicka  <jh@suse.cz>
2029
2030         * opts.c (decode_options): Enable pure-const pass for whopr.
2031
2032 2010-04-21  Jan Hubicka  <jh@suse.cz>
2033
2034         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2035         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2036         at WPA dumping.
2037         (cgraph_decide_inlining): Do not expect callee to be removed in all
2038         cases.
2039
2040 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2041
2042         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2043
2044 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2045
2046         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2047         amdfam10_decode attributes.
2048
2049 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2050
2051         PR middle-end/43570
2052         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2053         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2054         (lower_copyprivate_clauses): Use private var in outer
2055         context instead of original var.  Make sure the types
2056         are correct for VLAs.
2057
2058 2010-04-21  Richard Guenther  <rguenther@suse.de>
2059
2060         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2061         to non-pointer objects.
2062
2063 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2064
2065         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2066         last chain entry if it starts with the still current label.
2067         (add_location_or_const_value_attribute): Check that
2068         loc_list->first->next is NULL instead of comparing ->first with ->last.
2069         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2070         to add_var_loc_to_decl.
2071
2072         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2073         >= 4 add also address size and segment size fields into CIE header.
2074
2075         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2076         long as address size is the same as sizeof (void *) and
2077         segment size is 0.
2078         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2079         address size or segment size is unexpected, return DW_EH_PE_omit.
2080         (classify_object_over_fdes): If get_cie_encoding returned
2081         DW_EH_PE_omit, return -1.
2082         (init_object): If classify_object_over_fdes returned -1,
2083         pretend there were no FDEs at all.
2084
2085 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2086
2087         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2088         bswap{si,di}2 using SWI48 mode iterator.
2089         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2090         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2091         set modrm attribute of bswap insn to 0 and remove length attribute.
2092         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2093         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2094         set mode attribute to <MODE> and remove length attribute.
2095
2096 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2097
2098         PR rtl-optimization/43520
2099         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2100         zero available registers.
2101
2102 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2103
2104         * builtins.c (fold_builtin_cproj): Fold more cases.
2105
2106 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2107
2108         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2109         (fold_builtin_1): Fold builtin cproj.
2110         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2111         Use ATTR_CONST_NOTHROW_LIST.
2112
2113 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2114
2115         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2116         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2117         ffsi2_no_cmove for !TARGET_CMOVE.
2118         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2119         (ffssi2): Remove expander.
2120         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2121         mode iterator.
2122         (ctz<mode>2): Ditto from ctz{si,di}2.
2123         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2124         mode iterator.
2125         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2126         mode iterator.
2127
2128 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2129
2130         * dwarf2out.c (AT_linkage_name): Define.
2131         (clone_as_declaration): Handle DW_AT_linkage_name.
2132         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2133         of DW_AT_MIPS_linkage_name.
2134         (move_linkage_attr): Likewise.
2135         (dwarf2out_finish): Likewise.
2136
2137 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2138
2139         PR middle-end/41952
2140         * fold-const.c (fold_comparison): New folding rule.
2141
2142 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2143
2144         * double-int.h (double_int_setbit): Declare.
2145         * double-int.c (double_int_setbit): New function.
2146         * rtl.h (immed_double_int_const): Declare.
2147         * emit-rtl.c (immed_double_int_const): New function.
2148         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2149         and immed_double_int_const functions.
2150         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2151         expand_copysign_bit):  (Ditto.).
2152         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2153         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2154         * dojump.c (prefer_and_bit_test): (Ditto.).
2155         * expr.c (convert_modes, reduce_to_bit_field_precision,
2156         const_vector_from_tree): (Ditto.).
2157         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2158
2159 2010-04-20  Jan Hubicka  <jh@suse.cz>
2160
2161         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2162         (dump_cgraph_node): Dump new flags.
2163         * cgraph.h (struct cgraph_node): Add flags
2164         reachable_from_other_partition and in_other_partition.
2165         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2166         other partition can not be removed.
2167         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2168         the other partition must be output; silence sanity checking on
2169         leaking functions bodies from other paritition.
2170         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2171         (lto_output_node): Output new flags; do not sanity check that inline
2172         clones are output; drop lto_forced_extern_inline_p code; do not mock
2173         visibility flags at partition boundaries.
2174         (add_node_to): New function.
2175         (output_cgraph): Use it to sort functions so masters appear before
2176         clones.
2177         (input_overwrite_node): Input new flags.
2178         * passes.c (ipa_write_summaries): Do not call
2179         lto_new_extern_inline_states.
2180         * lto-section-out.c (forced_extern_inline,
2181         lto_new_extern_inline_states lto_delete_extern_inline_states,
2182         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2183         * lto-streamer.h (lto_new_extern_inline_states,
2184         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2185         lto_forced_extern_inline_p): Kill.
2186
2187 2010-04-20  Richard Guenther  <rguenther@suse.de>
2188
2189         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2190         from vars that can have pointers.
2191         (process_constraint): Dump useless constraints.
2192
2193 2010-04-20  Richard Guenther  <rguenther@suse.de>
2194
2195         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2196         (dump_sa_points_to_info): Remove asserts.
2197         (init_base_vars): nothing_id isn't an escape point nor does it
2198         have pointers.
2199
2200 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2201
2202         * tree.h (TYPE_REF_IS_RVALUE): Define.
2203         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2204         should_move_die_to_comdat, prune_unused_types_walk): Handle
2205         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2206         (modified_type_die, gen_reference_type_die): Emit
2207         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2208         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2209
2210 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2211
2212         PR target/43635
2213         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2214         calls for -fpic -m31 if they have been sibcall optimized.
2215
2216 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2217
2218         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2219         ar.lc fixed and call-used.
2220
2221         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2222
2223 2010-04-19  Jan Hubicka  <jh@suse.cz>
2224
2225         * opts.c (decode_options): Disable whpr incompatible passes.
2226         * lto/lto.c (lto_1_to_1_map): Skip clones.
2227         (read_cgraph_and_symbols): Do not mark everything as needed.
2228         (do_whole_program_analysis): Do map only after optimizing;
2229         set proper cgraph_state; use passmanager.
2230
2231 2010-04-19  DJ Delorie  <dj@redhat.com>
2232
2233         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2234         POINTER_PLUS_EXPR and fix them.
2235
2236 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2237
2238         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2239         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2240         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2241         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2242         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2243         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2244         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2245         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2246         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2247         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2248         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2249
2250 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2251
2252         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2253         (check_cond_move_block): Likewise.
2254         (cond_move_process_if_block): Likewise.
2255         (noce_find_if_block): Improve formatting.
2256         (find_if_header): Pass 0 to memset and tweak conditions.
2257         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2258
2259 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2260
2261         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2262         for -gdwarf-4.
2263
2264         PR middle-end/43337
2265         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2266         with non-local decl doesn't need chain.
2267
2268 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2269
2270         * ira-color.c (allocno_reload_assign): Avoid accumulating
2271         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2272
2273 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2274
2275         * gimple.h (create_tmp_reg): Declare.
2276         * gimplify.c (create_tmp_reg): New function.
2277         (gimplify_return_expr): Use create_tmp_reg.
2278         (gimplify_omp_atomic): Likewise.
2279         (gimple_regimplify_operands): Likewise.
2280         * tree-dfa.c (make_rename_temp): Likewise.
2281         * tree-predcom.c (predcom_tmp_var): Likewise.
2282         (reassociate_to_the_same_stmt): Likewise.
2283         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2284         (get_replaced_param_substitute): Likewise.
2285         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2286         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2287         * tree-ssa-pre.c (get_representative_for): Likewise.
2288         (create_expression_by_pieces): Likewise.
2289         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2290         (create_tailcall_accumulator): Likewise.
2291
2292 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2293
2294         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2295         new_stmt.
2296         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2297
2298 2010-04-19  Richard Guenther  <rguenther@suse.de>
2299
2300         PR tree-optimization/43796
2301         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2302         from SCEV in the lattice.
2303         (vrp_visit_phi_node): Dump change.
2304
2305 2010-04-19  Richard Guenther  <rguenther@suse.de>
2306
2307         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2308         * configure: Re-generated.
2309
2310 2010-04-19  Richard Guenther  <rguenther@suse.de>
2311
2312         PR tree-optimization/43783
2313         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2314         constant ARRAY_REF operands two and three if possible.
2315
2316 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2317
2318         PR target/43766
2319         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2320
2321 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2322
2323         PR target/43662
2324         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2325
2326 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2327
2328         PR tree-optimization/37027
2329         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2330         and macro to access it.
2331         (vectorizable_reduction): Add argument.
2332         (vect_get_slp_defs): Likewise.
2333         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2334         statements for possible use in SLP.
2335         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2336         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2337         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2338         add new argument.
2339         (vectorizable_reduction): Likewise.
2340         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2341         vect_get_slp_defs.
2342         (vectorizable_type_demotion, vectorizable_type_promotion,
2343         vectorizable_store): Likewise.
2344         (vect_analyze_stmt): Update call to vectorizable_reduction.
2345         (vect_transform_stmt): Likewise.
2346         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2347         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2348         from different interleaving chains in same node.
2349         (vect_slp_rearrange_stmts): New function.
2350         (vect_supported_load_permutation_p): Allow load permutations for
2351         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2352         inside SLP nodes if necessary.
2353         (vect_analyze_slp_instance): Handle reductions.
2354         (vect_analyze_slp): Try to build SLP instances originating from groups
2355         of reductions.
2356         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2357         (vect_get_constant_vectors): Create initial vectors for reductions
2358         according to reduction code. Add new argument.
2359         (vect_get_slp_defs): Add new argument, pass it to
2360         vect_get_constant_vectors.
2361         (vect_schedule_slp_instance): Remove SLP tree root statements.
2362
2363 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2364
2365         * tree.h (ENUM_IS_SCOPED): Define.
2366         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2367         for ENUM_IS_SCOPED enums.
2368
2369 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2370
2371         * fold-const.c (fold_comparison): Use ssizetype.
2372         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2373         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2374         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2375         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2376
2377         * tree.h (initialize_sizetypes): Remove parameter.
2378         (build_common_tree_nodes): Remove second parameter.
2379         * stor-layout.c (initialize_sizetypes): Remove parameter.
2380         Always create an unsigned type.
2381         (set_sizetype): Assert that the passed type is unsigned and simplify.
2382         * tree.c (build_common_tree_nodes): Remove second parameter.
2383         Adjust call to initialize_sizetypes.
2384         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2385         build_common_tree_nodes.
2386
2387 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2388
2389         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2390
2391 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2392
2393         PR tree-optimization/43771
2394         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2395         load permutation doesn't have gaps.
2396
2397 2010-04-18  Jan Hubicka  <jh@suse.cz>
2398
2399         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2400         (sse_prologue_save_insn expander): Use new pattern.
2401         (sse_prologue_save_insn1): New pattern and splitter.
2402         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2403         blocks.
2404         * i386.c (setup_incoming_varargs_64): Do not compute jump
2405         destination here.
2406         (ix86_gimplify_va_arg): Update alignment needed.
2407         (ix86_local_alignment): Do not align all local arrays to 128bit.
2408
2409 2010-04-17  Jan Hubicka  <jh@suse.cz>
2410
2411         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2412
2413 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2414
2415         * arm.md (negdi2): Remove redundant code to force values into a
2416         register.
2417
2418 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2419
2420         * arm/bpabi.S: Add EABI alignment attributes to objects.
2421         * arm/bpabi-v6m.S: Likewise.
2422         * arm/crti.asm: Likewise.
2423         * arm/crtn.asm: Likewise.
2424         * arm/lib1funcs.asm: Likewise.
2425         * arm/libunwind.S: Likewise.
2426
2427 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2428
2429         * arm-protos.h (tune_params): New structure.
2430         * arm.c (current_tune): New variable.
2431         (arm_constant_limit): Delete.
2432         (struct processors): Add pointer to the tune parameters.
2433         (arm_slowmul_tune): New tuning option.
2434         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2435         (all_cores): Adjust to pick up the tuning model.
2436         (arm_constant_limit): New function.
2437         (arm_override_options): Select the appropriate tuning model.  Delete
2438         initialization of arm_const_limit.
2439         (arm_split_constant): Use the new constant-limit model.
2440         (arm_rtx_costs): Pick up the current tuning model.
2441         * arm.md (is_strongarm, is_xscale): Delete.
2442         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2443         for Xscale variant architectures.
2444         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2445
2446 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2447
2448         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2449         can_shift.
2450         (arm_rtx_costs_1): Remove unused variable extra_cost.
2451         (arm_unwind_emit_set): Use variable offset.
2452         (thumb1_output_casesi): Remove unused variable flags.
2453
2454 2010-04-16  Jeff Law  <law@redhat.com>
2455
2456         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2457         needing assignment rather than doing a two-phase assignment.  Remove
2458         unused variable 'm'.
2459
2460 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2461
2462         PR bootstrap/43767
2463         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2464
2465 2010-04-16  Doug Kwan  <dougkwan@google.com>
2466
2467         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2468         (next_operand_entry_id): New static variable.
2469         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2470         (add_to_ops_vec): Assigned unique ID to operand entry.
2471         (struct oecount_s): New field ID.
2472         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2473         (undistribute_ops_list): Assign unique IDs to oecounts.
2474         (init_reassoc): reset next_operand_entry_id.
2475
2476 2010-04-16  Doug Kwan  <dougkwan@google.com>
2477
2478         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2479         missing left parenthesis.
2480
2481 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2482
2483         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2484         *btdi_rex64 using SWI48 mode iterator.
2485         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2486         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2487         *jcc_btdi_mask_rex64.
2488
2489 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2490
2491         * double-int.h (tree_to_double_int): Convert to macro.
2492         * double-int.c (tree_to_double_int): Remove.
2493
2494 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2495
2496         PR debug/43762
2497         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2498         with want_address 2 and in case a single element list might be
2499         possible, call it again with want_address 0.
2500
2501 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2502
2503         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2504         case 'W' print operands for HI mode.
2505         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2506         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2507         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2508         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2509
2510         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2511
2512         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2513         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2514         #xx:3 and #xx:4 mode.
2515
2516         * config/h8300/h8300.md (inverted load with HImode dest): Add
2517         support for H8300SX.
2518
2519         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2520         satisfy 'U' constraint.
2521
2522 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2523
2524         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2525         * configure: Regenerate.
2526         * config.in: Regenerate.
2527         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2528         works.
2529
2530 2010-04-16  Richard Guenther  <rguenther@suse.de>
2531
2532         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2533         (struct tree_decl_common): ... here.
2534         (DECL_PT_UID): Adjust.
2535         (SET_DECL_PT_UID): Likewise.
2536         (DECL_PT_UID_SET_P): Likewise.
2537
2538 2010-04-16  Richard Guenther  <rguenther@suse.de>
2539
2540         PR tree-optimization/43572
2541         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2542         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2543         * tree-flow.h (is_call_clobbered): Remove.
2544         * tree-flow-inline.h (is_call_clobbered): Likewise.
2545         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2546         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2547         (execute_return_slot_opt): Adjust.
2548         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2549         check for call clobbered vars here.
2550         (find_tail_calls): Move tailcall verification to the
2551         proper place.
2552
2553 2010-04-16  Diego Novillo  <dnovillo@google.com>
2554
2555         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2556
2557 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2558
2559         PR target/40603
2560         * config/arm/arm.md (cbranchqi4): New pattern.
2561         * config/arm/predicates.md (const0_operand,
2562         cbranchqi4_comparison_operator): New predicates.
2563
2564 2010-04-16  Richard Guenther  <rguenther@suse.de>
2565
2566         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2567         (dump_gimple_stmt): Likewise.
2568
2569 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2570
2571         * recog.h (struct recog_data): New field is_operator.
2572         (struct insn_operand_data): New field is_operator.
2573         * recog.c (extract_insn): Set recog_data.is_operator.
2574         * genoutput.c (output_operand_data): Emit code to set the
2575         is_operator field.
2576         * reload.c (find_reloads): Use it rather than testing for an
2577         empty constraint string.
2578
2579         PR target/41514
2580         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2581         If the previous insn is a cbranchsi4_insn with the same arguments,
2582         omit the compare instruction.
2583
2584         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2585         register, inputs must be low registers and we need a low register
2586         scratch.  Handle alternative 2 like alternative 3.
2587
2588 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2589
2590         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2591         don't call get_addr on both.  If one expression is a VALUE and
2592         the other a REG, check VALUE's locs if the REG isn't among them.
2593
2594 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2595
2596         * config/sh/sh.h (sh_frame_pointer_required): New function.
2597         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2598         (flag_omit_frame_pointer) Set.
2599         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2600         (rounded_frame_size): Adjust size with outgoing_args_size.
2601         (sh_set_return_address): Must return from stack pointer.
2602         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2603         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2604         (ACCUMULATE_OUTGOING_ARGS): Define.
2605         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2606         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2607
2608 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2609
2610         PR target/43471
2611         * config/sh/sh.c (sh_legitimize_reload_address): Use
2612         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2613         Remove a unneeded check for offset_base.
2614
2615 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2616
2617         * configure: Regenerated.
2618
2619 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2620
2621         * config/s390/s390.c (s390_call_save_register_used): Switch back
2622         to HARD_REGNO_NREGS.
2623
2624 2010-04-15  Richard Guenther  <rguenther@suse.de>
2625
2626         * alias.c (alias_set_subset_of): Handle alias-set zero
2627         child properly.
2628
2629 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2630             Julian Brown  <julian@codesourcery.com>
2631
2632         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2633         alternatives according to use of high and low regs.
2634         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2635         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2636         optimizing for size on Thumb-2.
2637
2638 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2639
2640         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2641
2642 2010-04-15  Richard Guenther  <rguenther@suse.de>
2643
2644         * tree-ssa-structalias.c (struct variable_info): Add
2645         is_fn_info flag.
2646         (new_var_info): Initialize it.
2647         (dump_constraints): Support printing last added constraints.
2648         (debug_constraints): Adjust.
2649         (dump_constraint_graph): Likewise.
2650         (make_heapvar_for): Check for NULL cfun.
2651         (get_function_part_constraint): New function.
2652         (get_fi_for_callee): Likewise.
2653         (find_func_aliases): Properly implement IPA PTA constraints.
2654         (process_ipa_clobber): New function.
2655         (find_func_clobbers): Likewise.
2656         (insert_into_field_list_sorted): Remove.
2657         (create_function_info_for): Properly allocate vars for IPA mode.
2658         Do not use insert_into_field_list_sorted.
2659         (create_variable_info_for): Properly generate constraints for
2660         global vars in IPA mode.
2661         (dump_solution_for_var): Always dump the solution.
2662         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2663         (find_what_var_points_to): Adjust.
2664         (pt_solution_set): Change.
2665         (pt_solution_ior_into): New function.
2666         (pt_solution_empty_p): Export.
2667         (pt_solution_includes_global): Adjust.
2668         (pt_solution_includes_1): Likewise.
2669         (pt_solutions_intersect_1): Likewise.
2670         (dump_sa_points_to_info): Check some invariants.
2671         (solve_constraints): Move constraint dumping ...
2672         (compute_points_to_sets): ... here.
2673         (ipa_pta_execute): ... and here.
2674         (compute_may_aliases): Do not re-compute points-to info
2675         locally if IPA info is available.
2676         (ipa_escaped_pt): New global var.
2677         (ipa_pta_execute): Properly implement IPA PTA.
2678         * tree-into-ssa.c (dump_decl_set): Support dumping
2679         decls not in referenced-vars.
2680         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2681         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2682         (dump_points_to_solution): Likewise.
2683         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2684         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2685         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2686         (copy_decl_to_var): Copy DECL_PT_UID.
2687         (copy_result_decl_to_var): Likewise.
2688         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2689         (copy_node_stat): Copy it.
2690         * tree.h (DECL_PT_UID): New macro.
2691         (SET_DECL_PT_UID): Likewise.
2692         (DECL_PT_UID_SET_P): Likewise.
2693         (struct tree_decl_minimal): Add pt_uid member.
2694         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2695         (pt_solution_empty_p): Declare.
2696         (pt_solution_set): Adjust.
2697         (ipa_escaped_pt): Declare.
2698         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2699         * gimple-pretty-print.c (pp_points_to_solution): New function.
2700         (dump_gimple_call): Dump call clobber/use information.
2701         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2702         * tree-pass.h (TDF_ALIAS): New dump option.
2703         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2704         * doc/invoke.texi (-fipa-pta): Update documentation.
2705
2706 2010-04-15  Richard Guenther  <rguenther@suse.de>
2707
2708         * Makefile.in (OBJS-common): Add gimple-fold.o.
2709         (gimple-fold.o): New rule.
2710         * tree.h (maybe_fold_offset_to_reference,
2711         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2712         prototypes ...
2713         * gimple.h: ... here.
2714         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2715         may_propagate_address_into_dereference): Move prototypes ...
2716         * gimple.h: ... here.
2717         * tree-ssa-ccp.c (get_symbol_constant_value,
2718         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2719         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2720         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2721         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2722         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2723         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2724         gimplify_and_update_call_from_tree): Move ...
2725         * gimple-fold.c: ... here.  New file.
2726         (ccp_fold_builtin): Rename to ...
2727         (gimple_fold_builtin): ... this.
2728         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2729
2730 2010-04-15  Richard Guenther  <rguenther@suse.de>
2731
2732         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2733         fit_double_type, force_fit_type_double, add_double_with_sign,
2734         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2735         lrotate_double, rrotate_double, div_and_round_double): Move ...
2736         * double-int.c: ... here.
2737         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2738         add_double, neg_double, mul_double_with_sign, mul_double,
2739         lshift_double, rshift_double, lrotate_double, rrotate_double,
2740         div_and_round_double): Move prototypes ...
2741         * double-int.h: ... here.
2742
2743 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2744
2745         PR target/43742
2746         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2747         matching constraints to ensure inputs match the output.
2748
2749 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2750
2751         PR target/43742
2752         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2753         in an input-only operand.
2754
2755 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2756
2757         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2758         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2759         (double_int_negative_p): Convert to static inline function.
2760         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2761         (double_int_negative_p): Remove.
2762         * tree.h (lshift_double, rshift_double):
2763         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2764         * fold-const.c (fold_convert_const_int_from_real,
2765         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2766         (lshift_double): Change type of arith argument to bool.
2767         (rshift_double): Change type of arith argument to bool. Correct
2768         comment.
2769         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2770
2771 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2772
2773         PR target/21803
2774         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2775         at the start and end of the then/else blocks, and omit them from the
2776         conversion.
2777         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2778         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2779         (flow_find_head_matching_sequence): New function.
2780         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2781         * basic-block.h (flow_find_cross_jump,
2782         flow_find_head_matching_sequence): Declare functions.
2783
2784 2010-04-14  Jason Merrill  <jason@redhat.com>
2785
2786         PR c++/36625
2787         * c-common.c (attribute_takes_identifier_p): New fn.
2788         * c-common.h: Declare it.
2789
2790 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2791
2792         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2793         splitter condition.
2794         (*udivmod<mode>4): Ditto.
2795
2796 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2797
2798         * config/i386/i386.md (maxmin_int): Rename code attribute from
2799         maxminiprefix and update all users.
2800         (maxmin_float): Ditto from maxminfprefix.
2801         (logic): Ditto from logicprefix.
2802         (absneg_mnemonic): Ditto from absnegprefix.
2803         * config/i386/mmx.md: Update all users of maxminiprefix,
2804         maxminfprefix and logicprefix for rename.
2805         * config/i386/sse.md: Ditto.
2806         * config/i386/sync.md (sync_<code><mode>): Update for
2807         logicprefix rename.
2808
2809 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2810
2811         PR 42966
2812         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2813         warnings converted to errors.
2814
2815 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2816
2817         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2818         used insn_type variable.
2819         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2820         to avoid set-but-not-used warning.
2821
2822 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2823
2824         * df-core.c (df_ref_debug): Change format string placeholder
2825         from 0x%x to %#x.
2826         * dwarf2asm.c (dw2_asm_output_data_raw,
2827         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2828         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2829         * dwarf2out.c (output_cfi, output_cfi_directive,
2830         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2831         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2832         Ditto.
2833         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2834         * print-rtl.c (print_rtx): Ditto.
2835
2836 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2837
2838         PR middle-end/42694
2839         * builtins.c (expand_builtin_pow_root): New function to expand pow
2840         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2841         series of sqrt and cbrt calls under -ffast-math.
2842         (expand_builtin_pow): Call it.
2843
2844 2010-04-14  Michael Matz  <matz@suse.de>
2845
2846         PR tree-optimization/42963
2847         * tree-cfg.c (touched_switch_bbs): New static variable.
2848         (group_case_labels_stmt): New function broken out from ...
2849         (group_case_labels): ... here, use the above.
2850         (start_recording_case_labels): Allocate touched_switch_bbs.
2851         (end_recording_case_labels): Deallocate it, call
2852         group_case_labels_stmt.
2853         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2854
2855 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2856
2857         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2858         from insn template.
2859
2860 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2861
2862         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2863
2864 2010-04-13  Jan Hubicka  <jh@suse.cz>
2865
2866         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2867         of optimized out static functions.
2868         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2869         cost computation.  Also sanity check for overflows.
2870         (update_caller_keys): Update cgraph_edge_badness call; properly
2871         update fibheap and sanity check that it is up to date.
2872         (add_new_edges_to_heap): Update cgraph_edge_badness.
2873         (cgraph_decide_inlining_of_small_function): Likewise;
2874         add sanity checking that badness in heap is up to date;
2875         improve dumping of reason; Update badness of calls to the
2876         offline copy of function currently inlined; dump badness
2877         of functions not inlined because of unit growth limits.
2878
2879 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2880
2881         PR middle-end/32628
2882         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2883         because of sign-extension change when converting to sizetype here...
2884         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2885
2886         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2887         the folding to constants.  Remove redundant final conversion.
2888         (fold_binary) <associate>: Do not associate if the re-association of
2889         constants alone overflows.
2890         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2891         to the end of the list.
2892         (multiple_of_p) <COND_EXPR>: New case.
2893
2894 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2895
2896         * opt-functions.awk (opt_sanitized_name): New.
2897         (opt_enum): New.
2898         * optc-gen.awk: Use it
2899         * opth-gen.awk: Use it.
2900
2901 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2902
2903         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2904         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2905         children.  Call replace_uses_with_default_def_ssa_name to handle
2906         SSA_NAES on lhs.
2907
2908 2010-04-13  Michael Matz  <matz@suse.de>
2909
2910         PR middle-end/43730
2911         * builtins.c (expand_builtin_interclass_mathfn): Also create
2912         a register if the predicate doesn't match.
2913
2914 2010-04-13  Diego Novillo  <dnovillo@google.com>
2915
2916         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2917         * c-pch.c: Include timevar.h.
2918         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2919         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2920         * ggc-common.c: Include timevar.h.
2921         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2922         * timevar.def (TV_PCH_SAVE): Define.
2923         (TV_PCH_CPP_SAVE): Define.
2924         (TV_PCH_PTR_REALLOC): Define.
2925         (TV_PCH_PTR_SORT): Define.
2926         (TV_PCH_RESTORE): Define.
2927         (TV_PCH_CPP_RESTORE): Define.
2928
2929 2010-04-13  Michael Matz  <matz@suse.de>
2930
2931         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2932         into MINUS_EXPRs.
2933         (can_reassociate_p): New function.
2934         (break_up_subtract_bb, reassociate_bb): Use it.
2935
2936 2010-04-13  Richard Guenther  <rguenther@suse.de>
2937
2938         PR bootstrap/43737
2939         * builtins.c (c_readstr): Fix assert.
2940
2941 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2942
2943         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2944         when generating cltd insn.
2945
2946         (*ashl<mode>3_1): Remove special handling for register operand 2.
2947         (*ashlsi3_1_zext): Ditto.
2948         (*ashlhi3_1): Ditto.
2949         (*ashlhi3_1_lea): Ditto.
2950         (*ashlqi3_1): Ditto.
2951         (*ashlqi3_1_lea): Ditto.
2952         (*<shiftrt_insn><mode>3_1): Ditto.
2953         (*<shiftrt_insn>si3_1_zext): Ditto.
2954         (*<shiftrt_insn>qi3_1_slp): Ditto.
2955         (*<rotate_insn><mode>3_1): Ditto.
2956         (*<rotate_insn>si3_1_zext): Ditto.
2957         (*<rotate_insn>qi3_1_slp): Ditto.
2958
2959 2010-04-13  Richard Guenther  <rguenther@suse.de>
2960
2961         * tree-ssa-structalias.c (callused_id): Remove.
2962         (call_stmt_vars): New.
2963         (get_call_vi): Likewise.
2964         (lookup_call_use_vi): Likewise.
2965         (lookup_call_clobber_vi): Likewise.
2966         (get_call_use_vi): Likewise.
2967         (get_call_clobber_vi): Likewise.
2968         (make_transitive_closure_constraints): Likewise.
2969         (handle_const_call): Adjust to do per-call call-used handling.
2970         (handle_pure_call): Likewise.
2971         (find_what_var_points_to): Remove general callused handling.
2972         (init_base_vars): Likewise.
2973         (init_alias_vars): Initialize call_stmt_vars.
2974         (compute_points_to_sets): Process call-used and call-clobbered
2975         vars for call statements.
2976         (delete_points_to_sets): Free call_stmt_vars.
2977
2978 2010-04-13  Richard Guenther  <rguenther@suse.de>
2979
2980         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2981         Only add RW dependence for dependence distance zero.
2982         Adjust maximal vectorization factor according to dependences.
2983         Move alignment handling ...
2984         (vect_find_same_alignment_drs): ... here.  New function.
2985         (vect_analyze_data_ref_dependences): Adjust.
2986         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2987         (vect_analyze_data_refs): Adjust minimal vectorization factor
2988         according to data references.
2989         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2990         dependences before determining the vectorization factor.
2991         Analyze alignment after determining the vectorization factor.
2992         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2993         dependences before alignment.
2994         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2995         Adjust prototype.
2996         (vect_analyze_data_refs): Likewise.
2997         (MAX_VECTORIZATION_FACTOR): New define.
2998
2999 2010-04-13  Duncan Sands  <baldrick@free.fr>
3000
3001         * except.h (lang_eh_type_covers): Remove.
3002         * except.c (lang_eh_type_covers): Likewise.
3003
3004 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3005             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3006
3007         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3008         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3009         UNITS_PER_LONG where it is ABI relevant.
3010         (s390_return_addr_rtx): Likewise.
3011         (s390_back_chain_rtx): Likewise.
3012         (s390_frame_area): Likewise.
3013         (s390_frame_info): Likewise.
3014         (s390_initial_elimination_offset): Likewise.
3015         (save_gprs): Likewise.
3016         (s390_emit_prologue): Likewise.
3017         (s390_emit_epilogue): Likewise.
3018         (s390_function_arg_advance): Likewise.
3019         (s390_function_arg): Likewise.
3020         (s390_va_start): Likewise.
3021         (s390_gimplify_va_arg): Likewise.
3022         (s390_function_profiler): Likewise.
3023         (s390_optimize_prologue): Likewise.
3024         (s390_rtx_costs): Likewise.
3025         (s390_secondary_reload): Likewise.
3026         (s390_promote_function_mode): Likewise.
3027         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3028         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3029         registers available.
3030         (s390_unwind_word_mode): New function.
3031         (s390_function_value): Split 64 bit values into register pair if
3032         used as return value.
3033         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3034         function call parameters.  Handle parallels.
3035         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3036         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3037         (DWARF_CIE_DATA_ALIGNMENT): New macro.
3038         (s390_expand_setmem): Remove unused variable src_addr.
3039         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3040         deal with 64 bit registers.
3041         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3042         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3043         (UNITS_PER_LONG): New macro.
3044         * libjava/include/s390-signal.h: Define extended ucontext
3045         structure containing the upper halfs of the 64 bit registers.
3046
3047 2010-04-13  Simon Baldwin  <simonb@google.com>
3048
3049         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3050
3051 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3052
3053         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3054         rvalue on the RHS if the LHS is of a non-renamable type.
3055         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3056
3057 2010-04-13  Matthias Klose  <doko@ubuntu.com>
3058
3059         * gcc.c (cc1_options): Handle -iplugindir before processing
3060         the cc1 spec. Only add -iplugindir once.
3061         (cpp_unique_options): Add -iplugindir option if -fplugin* options
3062         found.
3063         * common.opt (iplugindir): Remove `Separate' property, initialize.
3064         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3065         option.
3066         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3067         (distclean): Remove plugin dir.
3068         * doc/invoke.texi: Document -iplugindir.
3069
3070 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3071
3072         * doc/plugins.texi (Loading Plugins): Document short
3073         -fplugin=foo option.
3074         (Plugin API): Mention default_plugin_dir_name function.
3075
3076         * gcc.c (find_file_spec_function): Add new declaration.
3077         (static_spec_func): Use it for "find-file".
3078         (find_file_spec_function): Add new function.
3079         (cc1_options): Add -iplugindir option if -fplugin* options found.
3080
3081         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3082
3083         * plugin.c (add_new_plugin): Updated comment, and handle short
3084         plugin name.
3085         (default_plugin_dir_name): Added new function.
3086
3087         * common.opt (iplugindir): New option to set the plugin directory.
3088
3089 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3090
3091         * config/i386/i386.md (any_rotate): New code iterator.
3092         (rotate_insn): New code attribute.
3093         (rotate): Ditto.
3094         (SWIM124): New mode iterator.
3095         (<rotate_insn>ti3): New expander.
3096         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3097         any_rotate code iterator.
3098         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3099         using any_rotate code iterator and SWIM124 mode iterator.
3100         (ix86_rotlti3): New insn_and_split pattern.
3101         (ix86_rotrti3): Ditto.
3102         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3103         ix86_rotl{di,ti}3 patterns.
3104         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3105         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3106         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3107         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3108         code iterator and SWI mode iterator.
3109         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3110         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3111         code iterator.
3112         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3113         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3114         (bswap rotatert splitter): Add splitter.
3115         (bswap splitter): Macroize splitter using any_rotate code iterator.
3116         Add insn predicate to split only for TARGET_USE_XCHGB or when
3117         optimizing function for size.
3118
3119 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3120
3121         * config/pa/pa.c (emit_move_sequence): Remove use of
3122         deleted variable flag_argument_noalias.
3123
3124 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3125
3126         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3127         configurations.
3128         Add to unsupported targets list.
3129         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3130         sparc*-sun-solaris2.[567]* from target lists.
3131         * configure: Regenerate.
3132         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3133         removal.
3134         Remove Solaris 7 patch references.
3135         (Specific, sparc-sun-solaris2.7): Removed.
3136         (sparc-sun-solaris2*): Update Solaris 7 example.
3137         (sparc64-*-solaris2*): Likewise.
3138
3139 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3140
3141         * config.build (alpha*-dec-osf4*): Remove.
3142         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3143         of obsolete configurations.
3144         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3145         support.
3146         * config/alpha/t-osf4: Renamed to ...
3147         * config/alpha/t-osf5: ... this.
3148         * config/alpha/osf.h: Renamed to ...
3149         * config/alpha/osf5.h: ... this.
3150         Merged old osf5.h contents.
3151         Update comments.
3152         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3153         (EXTRA_SPECS): Removed.
3154         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3155         reflect removal of Tru64 UNIX V4.0/V5.0 support.
3156         Document that.
3157
3158 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3159
3160         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3161
3162 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3163
3164         PR/43702
3165         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3166         __thiscall convention.
3167
3168 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3169
3170         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3171         orig_base.
3172         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3173
3174 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3175
3176         * function.c (assign_parms_initialize_all): Add unused attribute
3177         to fntype.
3178
3179 2010-04-12  Richard Guenther  <rguenther@suse.de>
3180
3181         * gsstruct.def (GSS_CALL): New.
3182         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3183         * gimple.h: Include tree-ssa-alias.h.
3184         (struct gimple_statement_call): New.
3185         (union gimple_statement_struct_d): Add gimple_call member.
3186         (gimple_call_reset_alias_info): Declare.
3187         (gimple_call_use_set): New function.
3188         (gimple_call_clobber_set): Likewise.
3189         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3190         * gimple.c (gimple_call_reset_alias_info): New function.
3191         (gimple_build_call_1): Call it.
3192         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3193         * tree-inline.c (remap_gimple_stmt): Likewise.
3194         (expand_call_inline): Remove callused handling.
3195         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3196         * tree-dfa.c (dump_variable): Likewise.
3197         * tree-parloops.c (parallelize_loops): Likewise.
3198         * tree-ssa.c (init_tree_ssa): Likewise.
3199         (delete_tree_ssa): Likewise.
3200         * tree-flow-inline.h (is_call_used): Remove.
3201         * tree-flow.h (struct gimple_df): Remove callused member.
3202         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3203         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3204         (ref_maybe_used_by_call_p_1): Simplify.
3205         (call_may_clobber_ref_p_1): Likewise.
3206         * tree-ssa-structalias.c (compute_points_to_sets): Set
3207         the call stmt used and clobbered sets.
3208         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3209         (find_tail_calls): Verify the tail call.
3210
3211 2010-04-12  Richard Guenther  <rguenther@suse.de>
3212
3213         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3214         single-iteration always-inline inlining.
3215         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3216         (cgraph_decide_inlining): Do not handle always-inline specially.
3217         (try_inline): Remove always-inline cycle detection special case.
3218         Do not recurse on always-inlines.
3219         (cgraph_early_inlining): Do not iterate if not optimizing.
3220         (cgraph_gate_early_inlining): remove.
3221         (pass_early_inline): Run unconditionally.
3222         (gate_cgraph_decide_inlining): New function.
3223         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
3224         not inlining or optimizing.
3225         (cgraph_decide_inlining_of_small_functions): Also consider
3226         always-inline functions.
3227         (cgraph_default_inline_p): Return true for nodes which should
3228         disregard inline limits.
3229         (estimate_function_body_sizes): Assume zero size and time for
3230         nodes which are marked as disregarding inline limits.
3231         (cgraph_decide_recursive_inlining): Do not perform recursive
3232         inlining on always-inline nodes.
3233
3234 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
3235
3236         PR bootstrap/43699
3237         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3238         for exprs satisfying handled_component_p.
3239
3240 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
3241
3242         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3243         non-constant aggregate elements.
3244
3245         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3246         is a real initialization.
3247
3248 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
3249
3250         PR c/36774
3251         * c-decl.c (start_function): Move forward check for nested function.
3252
3253 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3254
3255         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3256         * config/sh/sh.c: Include reload.h.
3257         (sh_legitimize_reload_address): New.
3258         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3259         sh_legitimize_reload_address.
3260
3261 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3262
3263         * config/sh/sh.md (*movqi_pop): New insn pattern.
3264         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3265
3266 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3267
3268         * config/i386/i386.md (any_shiftrt): New code iterator.
3269         (shiftrt_insn): New code attribute.
3270         (shiftrt): Ditto.
3271         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3272         using any_shiftrt code iterator.
3273         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3274         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3275         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3276         pattern from corresponding peephole2 patterns.
3277         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3278         using any_shiftrt code iterator.
3279         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3280         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3281         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3282         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3283         *{ashr,lshr}<mode>3_cmp_zext.
3284         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3285
3286 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3287
3288         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3289         scratch register.
3290         (*lshr<mode>3_cconly): Ditto.
3291
3292 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3293
3294         * config/i386/i386.md (lshr<mode>3): Macroize expander from
3295         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3296         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3297         pattern from *lshr{di,ti}3_1 and corresponding splitters using
3298         DWI mode iterator.
3299         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3300         from corresponding peephole2 patterns.
3301         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3302         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3303         and *lshrdi3_1_rex64 using SWI mode iterator.
3304         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3305         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3306         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3307         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3308         and *lshrdi3_cmp_rex64 using SWI mode iterator.
3309         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3310         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3311         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3312         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3313         SWI mode iterator.
3314
3315 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
3316
3317         * config/i386/i386.md (ashr<mode>3): Macroize expander from
3318         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3319         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3320         pattern from *ashr{di,ti}3_1 and corresponding splitters using
3321         DWI mode iterator.
3322         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3323         from corresponding peephole2 patterns.
3324         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3325         (ashrsi3_cvt): Rename from ashrsi3_31.
3326         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3327         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3328         and x86_64_shift_adj_3 using SWI48 mode iterator.
3329         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3330         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3331         and *ashrdi3_1_rex64 using SWI mode iterator.
3332         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3333         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3334         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3335         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3336         and *ashrdi3_cmp_rex64 using SWI mode iterator.
3337         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3338         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3339         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3340         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3341         SWI mode iterator.
3342         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3343         * config/i386/i386.c (ix86_split_ashr): Update for renamed
3344         x86_shift<mode>_adj_3 expanders.
3345
3346 2010-04-10  Wei Guozhi  <carrot@google.com>
3347
3348         PR target/42601
3349         * config/arm/arm.c (arm_pic_static_addr): New function.
3350         (legitimize_pic_address): Call arm_pic_static_addr when it detects
3351         a static symbol.
3352         (arm_output_addr_const_extra): Output expression for new pattern.
3353         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3354
3355 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
3356
3357         * ira-costs.c (record_reg_classes): Ignore alternatives that are
3358         not enabled.
3359
3360         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3361         * web.c: Include "insn-config.h" and "recog.h".
3362         (union_match_dups): New function.
3363         (web_main): Call it.
3364         (union_defs): Don't try to recognize match_dups.
3365
3366         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3367         if doing so would replace the entire pattern.
3368
3369 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3370
3371         PR target/43707
3372         PR target/43709
3373         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3374         and splitter pattern.  Change splitter operand 1 predicate to
3375         nonmemory_operand.
3376
3377 2010-04-09  Martin Jambor  <mjambor@suse.cz>
3378
3379         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3380         lattices are addresses of CONST_DECLs with the same initial value.
3381         (ipcp_print_all_lattices): Print values of CONST_DECLs.
3382         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3383
3384 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
3385             Bernd Schmidt  <bernds@codesourcery.com>
3386
3387         * loop-invariant.c (replace_uses): New static function.
3388         (move_invariant_reg): Use it to ensure we can replace the uses.
3389
3390 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
3391
3392         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3393         function template.
3394         (picochip_override_options): Enable section anchors only above -O1.
3395         (picochip_reorg): Fixed a couple of build warnings.
3396
3397 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3398
3399         * configure.ac (plugin -rdynamic test): Log result.
3400         * configure: Regenerate.
3401         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3402         (RDYNAMIC_SPEC): Define.
3403         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3404
3405 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3406
3407         * configure.ac: Determine Sun ld version numbers.
3408         (comdat_group): Restrict GNU ld version checks to gld.
3409         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3410         (enable_comdat): Support --enable-comdat.
3411         * configure: Regenerate.
3412         * doc/install.texi (Configuration): Document --enable-comdat.
3413
3414 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3415
3416         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
3417         * config/sol2-gld.h: ... here.
3418         * config.gcc (sparc*-*-solaris2*): Reflect this.
3419         (i[34567]86-*-solaris2*): Use it.
3420
3421 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
3422
3423         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3424         setup_clocks_p.
3425         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3426
3427 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>