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Properly detect Atom, Core 2 and Core i7.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
2
3         PR target/44046
4         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
5         detect Atom, Core 2 and Core i7.
6
7 2010-05-09  Richard Guenther  <rguenther@suse.de>
8
9         * gcc.c (store_arg): Handle temporary file deletion for
10         joined arguments.
11
12 2010-05-09  Richard Guenther  <rguenther@suse.de>
13
14         PR middle-end/44043
15         * ipa-inline.c (estimate_function_body_sizes): Return after
16         disregarding inline limits.
17
18 2010-05-09  Richard Guenther  <rguenther@suse.de>
19
20         * gcc.c (store_arg): Revert last change.
21
22 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
23
24         PR middle-end/28685
25         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
26         (optimize_ops_list): Call it.
27
28 2010-05-08  Richard Guenther  <rguenther@suse.de>
29
30         PR tree-optimization/44030
31         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
32         NECESSARY flag if we propagate from a inserted expression.
33
34 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
35
36         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
37         domain types as equal if they are both PLACEHOLDER_EXPRs.
38
39 2010-05-08  Richard Guenther  <rguenther@suse.de>
40
41         * lto-wrapper.c (run_gcc): Remove linker output from
42         command line for LTRANS invocation.
43
44 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
45
46         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
47         lto-macho as lto_binary_reader.
48         * target.h (struct gcc_target): New hooks lto_start and lto_end.
49         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
50         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
51         in lto_start and lto_end calls.
52         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
53         magic numbers.
54         (scan_prog_file): Update is_elf_or_coff call.
55         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
56
57         * collect2.c (main): Fix enum comparison.
58
59         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
60         Add prototypes.
61         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
62         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
63         and TARGET_ASM_LTO_END.
64         * darwin.c: Include obstack.h and lto-streamer.h.
65         (lto_section_names_offset, lto_section_names_obstack,
66         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
67         global variables.
68         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
69         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
70         to a temporary file.
71         (darwin_asm_lto_end): New function.  Restore asm_out_file.
72         (darwin_asm_named_section): For LTO sections, replace the name with
73         the offset of the section name in a string table, and build this
74         table.
75         (darwin_file_start): Initialize global vars for LTO support.
76         (darwin_file_end): If output to asm_out_file was redirected, append it
77         to the proper asm_out_file here.  Add the section names section.
78
79 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
80
81         * c-pragma.c (pending_weak_d, pending_weak): New.
82         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
83         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
84         handle_pragma_weak): Update the uses of pending_weaks.
85
86 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
87
88         PR documentation/44016
89         * doc/standards.texi (Standards): Link to unversioned
90         cxx0x_status.html page.
91
92 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
93
94         PR target/43708
95         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
96         in addition to TREE_USED, to avoid "set but unused" warnings.
97
98 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
99
100         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
101         (is_loop_prefetching_profitable): Do not insert prefetches
102         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
103         times the prefetch ahead distance.
104
105 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
106
107         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
108         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
109         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
110         the unroll_factor.
111
112 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
113
114         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
115         a diagnostic info when the insn-to-mem ratio is too small.
116
117 2010-05-07  Richard Guenther <rguenther@suse.de>
118
119         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
120         the linker plugin.
121         (store_arg): Queue temp_filename for deletion instead of
122         the whole argument.
123
124 2010-05-07  Richard Guenther  <rguenther@suse.de>
125
126         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
127         (run_gcc): Handle LTRANS phase invocation.
128         * collect2.c (maybe_run_lto_and_relink): Do not set
129         WPA_SAVE_LTRANS.
130
131 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
132
133         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
134         this is also meaningful on PARM_DECLs and RESULT_DECLs.
135
136 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
137
138         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
139
140 2010-05-07  Richard Guenther  <rguenther@suse.de>
141
142         PR tree-optimization/44020
143         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
144         code when PRE is not yet initialized.
145
146 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
147
148         * config/mips/dbxmdebug.h: Remove.
149         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
150
151 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
152
153         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
154         with null pointer and also warn about ordered comparison of zero with
155         pointer if -Wextra.
156
157 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
158
159         * graphite-blocking.c
160         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
161         * graphite-clast-to-gimple.c
162         (clast_to_gcc_expression): Same.
163         (precision_for_value): Same.
164         (precision_for_interval): Same.
165         (gcc_type_for_interval): Same.
166         (graphite_create_new_guard): Same.
167         (compute_bounds_for_level): Same.
168         (graphite_create_new_loop_guard): Same.
169         * graphite-interchange.c
170         (build_linearized_memory_access): Same.
171         (pdr_stride_in_loop): Same.
172         (memory_strides_in_loop_1): Same.
173         (memory_strides_in_loop): Same.
174         (extend_scattering): Same.
175         (psct_scattering_dim_for_loop_depth): Same.
176         (pbb_number_of_iterations): Same.
177         * graphite-poly.h
178         (debug_iteration_domains): Same.
179         * graphite-ppl.c
180         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
181         (ppl_set_inhomogeneous_gmp): Same.
182         (ppl_strip_loop): Same.
183         (ppl_lexico_compare_linear_expressions): Same.
184         (ppl_read_polyhedron_matrix): Same.
185         (ppl_max_for_le_pointset): Same.
186         * graphite-ppl.h
187         (ppl_read_polyhedron_matrix): Same.
188         (tree_int_to_gmp): Same.
189         (gmp_cst_to_tree): Same.
190         (ppl_set_inhomogeneous): Same.
191         (ppl_set_inhomogeneous_tree): Same.
192         (ppl_set_coef): Same.
193         (ppl_set_coef_tree): Same.
194         * graphite-sese-to-poly.c
195         (build_pbb_scattering_polyhedrons): Same.
196         (build_scop_scattering): Same.
197         (scan_tree_for_params_right_scev): Same.
198         (scan_tree_for_params): Same.
199         (find_params_in_bb): Same.
200         (find_scop_parameters): Same.
201         (add_upper_bounds_from_estimated_nit): Same.
202         (build_loop_iteration_domains): Same.
203         (add_condition_to_domain): Same.
204         (pdr_add_memory_accesses): Same.
205
206 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
207
208         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
209         CLooG's value_* macros to their respective mpz_* counterparts.
210         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
211         (graphite_create_new_loop_guard): Same.
212         * graphite-interchange.c (build_linearized_memory_access): Same.
213         (pdr_stride_in_loop): Same.
214         (memory_strides_in_loop_1): Same.
215         (1st_interchange_profitable_p): Same.
216         * graphite-poly.c (extend_scattering): Same.
217         (psct_scattering_dim_for_loop_depth): Same.
218         (pbb_number_of_iterations): Same.
219         (pbb_number_of_iterations_at_time): Same.
220         * graphite-poly.h (new_1st_loop): Same.
221         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
222         (oppose_constraint): Same.
223         (insert_constraint_into_matrix): Same.
224         (ppl_set_inhomogeneous_gmp): Same.
225         (ppl_set_coef_gmp): Same.
226         (ppl_strip_loop): Same.
227         (ppl_lexico_compare_linear_expressions): Same.
228         (ppl_max_for_le_pointset): Same.
229         (ppl_min_for_le_pointset): Same.
230         (ppl_build_realtion): Same.
231         * graphite-ppl.h (gmp_cst_to_tree): Same.
232         (ppl_set_inhomogeneous): Same.
233         (ppl_set_inhomogeneous_tree): Same.
234         (ppl_set_coef): Same.
235         (ppl_set_coef_tree): Same.
236         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
237         (build_scop_scattering): Same.
238         (add_value_to_dim): Same.
239         (scan_tree_for_params_right_scev): Same.
240         (scan_tree_for_params_int): Same.
241         (scan_tree_for_params): Same.
242         (find_params_in_bb): Same.
243         (find_scop_parameters): Same.
244         (add_upper_bounds_from_estimated_nit): Same.
245         (build_loop_iteration_domains): Same.
246         (create_linear_expr_from_tree): Same.
247         (add_condition_to_domain): Same.
248         (pdr_add_memory_accesses): Same.
249
250 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
251             Jason Merrill  <jason@redhat.com>
252
253         * c-common.c (c_common_reswords): Add nullptr.
254         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
255         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
256         (gen_type_die_with_usage): Likewise.
257         * dbxout.c (dbxout_type): Likewise.
258         * sdbout.c (plain_type_1): Likewise.
259
260 2010-05-06  Jason Merrill  <jason@redhat.com>
261
262         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
263         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
264         ret appropriately.
265         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
266
267         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
268         stripping WITH_SIZE_EXPR.
269         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
270         change.
271
272 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
273
274         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
275         list of obsolete configurations.
276         Disabled check for obsolete configurations.
277         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
278         Removed support for previous versions.
279         * config/mips/iris.h: Removed.
280         * config/mips/iris5.h: Removed.
281         * config/mips/iris6.h: Merged old iris.h contents.
282         (TARGET_IRIX): Removed.
283         (DRIVER_SELF_SPECS): Removed mabi=32.
284         (IDENT_ASM_OP): Removed undef.
285         (STARTFILE_SPEC): Removed mabi=32.
286         (ENDFILE_SPEC): Likewise.
287         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
288         (MACHINE_TYPE): Update for IRIX 6.5.
289         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
290         TARGET_IRIX by TARGET_IRIX6.
291         (mips_file_start): Likewise.
292         (mips_output_external): Remove IRIX 5/6 O32 support.
293         (mips_output_function_prologue): Likewise.
294         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
295         TARGET_IRIX6.
296         (TARGET_CPU_CPP_BUILTINS): Likewise.
297         (TARGET_IRIX): Removed.
298         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
299         (MULTILIB_DIRNAMES): Removed 32.
300         (MULTILIB_OSDIRNAMES): Removed ../lib.
301         * doc/install.texi (Prerequisites): Don't reference IRIX before
302         6.5.
303         (Specific, mips-sgi-irix5): Document removal.
304         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI
305         removal.
306         Remove references to older IRIX 6 releases and the O32 ABI.
307
308 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
309
310         * gcc.dg/Wunused-var-8.c: Move to...
311         * c-c++-common/Wunused-var-6.c: ... here.  New test.
312
313         PR bootstrap/43994
314         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
315         instead of DF_REF_REAL_REG.
316
317 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
318
319         PR target/43888
320         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
321         handling to still return true for x64 targets.
322
323 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
324
325         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
326
327 2010-05-06  Jan Hubicka  <jh@suse.cz>
328
329         PR tree-optimization/43791
330         * ipa-inline.c (update_caller_keys): Remove bogus
331         disregard_inline_limits check.
332
333 2010-05-06  Michael Matz  <matz@suse.de>
334
335         PR tree-optimization/43984
336         * tree-ssa-pre.c (inserted_phi_names): Remove.
337         (inserted_exprs): Change to bitmap.
338         (create_expression_by_pieces): Set bits, don't append to vector.
339         (insert_into_preds_of_block): Don't handle inserted_phi_names.
340         (eliminate): Don't look at inserted_phi_names, remove deleted
341         insns from inserted_exprs.
342         (remove_dead_inserted_code): Adjust to use bitmaps instead of
343         vectors.
344         (init_pre, fini_pre): Allocate and free bitmaps.
345         (execute_pre): Insert insns on edges before elimination.
346
347 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
348
349         * tree.c (initializer_zerop): Handle STRING_CST.
350
351 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
352
353         PR 40989
354         * doc/invoke.texi (Wimplicit): Document as C only.
355         * opts.c (common_handle_option): Add argument kind.
356         (handle_option): Rename as read_cmdline_option. Factor out code to...
357         (handle_option): ... here. New.
358         (handle_options): Rename as read_cmdline_options.
359         (decode_options): Update call.
360         (set_option): Use option index instead of option pointer. Classify
361         diagnostics correctly.
362         (enable_warning_as_error): Call handle_option.
363         * opts.h (set_option): Update declaration.
364         (handle_option): Declare.
365         * langhooks.h (struct lang_hooks): Add argument kind to
366         handle_option.
367         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
368         * c-opts.c (set_Wimplicit): Delete.
369         (c_family_lang_mask): New static constant.
370         (c_common_handle_option): Add argument kind. Use handle_option
371         instead of set_Wimplicit.
372         (c_common_post_options): warn_implicit and warn_implicit_int
373         are disabled by default.
374         * c-common.c (warn_implicit): Do not define here.
375         * c-common.h (warn_implicit): Do not declare here.
376         (c_common_handle_option): Update declaration.
377         * lto-opts.c (lto_reissue_options): Update call to set_option.
378
379 2010-05-06  Richard Guenther  <rguenther@suse.de>
380
381         PR tree-optimization/43571
382         * domwalk.c (walk_dominator_tree): Walk the dominator
383         sons in more optimal order.
384
385 2010-05-06  Richard Guenther  <rguenther@suse.de>
386
387         PR tree-optimization/43934
388         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
389         (stmt_cost): Likewise.
390         (extract_true_false_args_from_phi): New helper.
391         (determine_max_movement): For PHI nodes verify we can hoist them
392         and compute their cost.
393         (determine_invariantness_stmt): Handle PHI nodes.
394         (move_computations_stmt): Likewise.  Hoist PHI nodes in
395         if-converted form using COND_EXPRs.
396         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI
397         nodes.
398         (tree_ssa_lim): Likewise.
399         * tree-flow.h (tree_ssa_lim): Adjust prototype.
400         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
401
402 2010-05-06  Richard Guenther  <rguenther@suse.de>
403
404         PR tree-optimization/43987
405         * tree-ssa-structalias.c (could_have_pointers): For possibly
406         address-taken variables force pointers to be recorded.
407         (create_variable_info_for_1): Likewise.
408         (push_fields_onto_fieldstack): Pass in wheter all fields
409         must have pointers.
410         (find_func_aliases): Query types instead of vars whether
411         they contain pointers where appropriate.
412
413 2010-05-06  Jan Hubicka  <jh@suse.cz>
414
415         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
416         (record_reference, mark_address, mark_load, mark_store): Record
417         references.
418         (record_references_in_initializer): Update call of record_references.
419         (rebuild_cgraph_edges): Remove all references before rebuiding.
420         * cgraph.c (cgraph_create_node): Clear ref list.
421         (cgraph_remove_node): Remove references.
422         (dump_cgraph_node): Dump references.
423         (cgraph_clone_node): Clone references.
424         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
425         (struct cgraph_node, varpool_node): Add ref_lst.
426         * ipa-ref.c: New file.
427         * ipa-ref.h: New file.
428         * ipa-ref-inline.h: New file.
429         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
430         (referenced_from_other_partition_p): New function.
431         (lto_output_varpool_node): Take set arugment; call
432         referenced_from_other_partition.
433         (lto_output_ref): New.
434         (add_references): New.
435         (output_refs): New.
436         (output_cgraph): Compute boundary based on references;
437         output refs.
438         (output_varpool): Accept cgraph_node_set argument.
439         (input_ref): New.
440         (input_refs): New.
441         (input_cgraph): Call input_refs.
442         * lto-section-in.c (lto_section_name): Add refs.
443         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
444         (ipa-ref.o): New file.
445         * varpool.c (varpool_node): Clear ipa ref list.
446         (varpool_remove_node): Remove references.
447         (dump_varpool_node): Dump references.
448         (varpool_assemble_decl): Only compile finalized ones.
449         (varpool_extra_name_alias): Initialize ref list.
450         * lto-streamer.c (lto-get_section_name): Add .refs section.
451         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
452         (referenced_from_other_partition_p): Declared.
453
454 2010-05-06  Ira Rosen  <irar@il.ibm.com>
455
456         PR tree-optimization/43901
457         * tree-vect-stmts.c (vectorizable_call): Assert that vector
458         type is not NULL if it's transformation phase, and return
459         FALSE if it's analysis.
460         (vectorizable_conversion, vectorizable_operation, 
461         vectorizable_type_demotion, vectorizable_type_promotion):
462         Likewise.
463
464 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
465
466         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
467         Delete.
468         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
469         New define.
470         * config/mips/mips-protos.h
471         (mips_small_register_classes_for_mode_p): Delete prototype.
472
473 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
474
475         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
476         * config/arm/arm.c (multiple_operation_profitable_p,
477         compute_offset_order): New static functions.
478         (load_multiple_sequence, store_multiple_sequence): Use them.
479         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
480         memory offsets, not register numbers.
481         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
482
483 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
484
485         * stor-layout.c (pending_sizes): Change the type to
486         VEC(tree,gc) *.
487         (get_pending_sizes, put_pending_size, put_pending_sizes):
488         Update the uses of pending_sizes.
489         * c-decl.c (store_parm_decls): Likewise.
490         * c-tree.h (struct c_arg_info): Likewise.
491         * tree.h: Update the prototype for get_pending_sizes and
492         put_pending_sizes.
493
494 2010-05-05  Jason Merrill  <jason@redhat.com>
495
496         PR debug/43370
497         * c-common.c (handle_aligned_attribute): Respect
498         ATTR_FLAG_TYPE_IN_PLACE.
499
500         PR testsuite/43758
501         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
502         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
503         (TARGET_INITIALIZER): Use it.
504         * c-common.c (attribute_takes_identifier_p): Call it.
505         * c-common.h: Update prototype.
506         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
507         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
508
509 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
510
511         PR debug/43950
512         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
513         DW_ID_down_case for Fortran compilation units.
514
515 2010-05-05  Jan Hubicka  <jh@suse.cz>
516
517         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
518         handle aliases.
519
520 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
521
522         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
523         a variable-sized RESULT_DECL.
524
525 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
526
527         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
528
529 2010-05-05  Jason Merrill  <jason@redhat.com>
530
531         PR c++/43787
532         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
533         returns GS_OK.
534         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
535
536 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
537             Jakub Jelinek  <jakub@redhat.com>
538
539         PR debug/43478
540         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
541         (dead_debug_init, dead_debug_finish): New functions.
542         (dead_debug_add, dead_debug_insert_before): Likewise.
543         (df_note_bb_compute): Initialize a dead_debug object, add dead
544         debug uses to it, insert debug bind insns before death insns,
545         reset debug insns that refer to pending uses at the end.
546         * rtl.h (make_debug_expr_from_rtl): New prototype.
547         * varasm.c (make_debug_expr_from_rtl): New function.
548
549 2010-05-05  Jan Hubicka  <jh@suse.cz>
550
551         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
552         (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
553         lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
554         lto_varpool_encoder_encode_initializer_p,
555         lto_set_varpool_encoder_encode_initializer): New functions.
556         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
557         call output_varpool.
558         (input_varpool_node): Do not always set analyzed.
559         (input_cgraph_1): Return vector of cgraph nodes.
560         (input_varpool_1): Return vector of varpools.
561         (input_cgraph): Free the vectors.
562         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
563         output only initializers needed.
564         (lto_output): Only call output_cgraph.
565         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
566         * lto-section-out.c (lto_new_out_decl_state): Initialize
567         state->varpool_node_encoder.
568         * lto-streamer.h (lto_varpool_encoder_d): New.
569         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.     
570         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
571         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
572         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
573         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
574         Declare.
575         (output_varpool, input_varpool): Remove declarations.
576
577 2010-05-05  Jan Hubicka  <jh@suse.cz>
578
579         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
580         with body can prevail.
581
582 2010-05-05  Jan Hubicka  <jh@suse.cz>
583
584         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
585         size.
586
587 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
588
589         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
590         dependencies.
591
592         * gengtype.h (erro_at_line): Constify pos argument.
593
594         * gengtype.c: Include hashtab.h.
595         (enum gc_used): Document GC_MAYBE_POINTED_TO.
596         (error_at_line): Constify pos argument.
597         (do_typedef): Initialize p->opt field.
598         (get_file_gtfilename): Fix comment typo.
599         (struct walk_type_data): Constify line field.
600         (get_output_file_for_structure): New function.
601         (write_local_func_for_structure): Constify orig_s argument.
602         Use get_output_file_for_structure.
603         (write_func_for_structure): Use get_output_file_for_structure.
604         (INDENT): New define.
605         (dump_pair, dump_type, dump_type_list, dump_typekind)
606         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
607         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
608         functions.
609         (seen_types): New variable.
610         (main): New variable do_dump.  Process "-d" command line option.
611         Call dump_everything if dump requested.
612
613 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
614
615         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
616         in a temporary instead of invoking the macro multiple times.
617         (track_expr_p): Likewise.
618
619 2010-05-04  Neil Vachharajani <nvachhar@google.com>
620
621         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
622         per new semantics.
623         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
624         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
625         conditions for printing notes.
626         * common.opt (-Wcoverage-mismatch): Allow negative, default to
627         true, update documentation.
628         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
629
630 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
631
632         PR c/43981
633         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
634         on dimen.
635
636 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
637
638         PR target/43799
639         * config/i386/i386.md (sse_prologue_save): Add clobber CC
640         register.
641         (*sse_prologue_save_insn1): Likewise.
642         (SSE prologue save splitter): Likewise.
643
644 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
645
646         * tree.c (free_lang_data_in_one_sizepos): New inline function.
647         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
648         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
649         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
650         all decls.  Call it on DECL_FIELD_OFFSET of fields.
651         (find_decls_types_r): Follow DECL_VALUE_EXPR.
652         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
653
654 2010-05-04  Martin Jambor  <mjambor@suse.cz>
655
656         * tree-sra.c (build_access_from_expr_1): The first parameter type
657         changed to simple tree.
658         (build_access_from_expr): Likewise, gsi parameter was eliminated.
659         (scan_assign_result): Renamed to assignment_mod_result, enum elements
660         renamed as well.
661         (build_accesses_from_assign): Removed all parameters except for a
662         simple gimple statement.  Now returns a simple bool.
663         (scan_function): All non-analysis parts moved to separate functions
664         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
665         parameters and updated both callers.
666         (sra_modify_expr): Removed parameter data.
667         (sra_modify_function_body): New function.
668         (perform_intra_sra): Call sra_modify_function_body to modify the
669         function body.
670         (replace_removed_params_ssa_names): Parameter data changed into
671         adjustments vector.
672         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
673         changed the parameter dont_convert to convert with the opposite
674         meaning.
675         (sra_ipa_modify_assign): Parameter data changed into adjustments
676         vector, return value changed to bool.
677         (ipa_sra_modify_function_body): New function.
678         (sra_ipa_reset_debug_stmts): Updated a comment.
679         (modify_function): Use ipa_sra_modify_function_body to modify function
680         body.
681
682 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
683
684         PR middle-end/43671
685         * alias.c (true_dependence): Handle the same VALUE in x and mem.
686         (canon_true_dependence): Likewise.
687         (write_dependence_p): Likewise.
688
689 2010-05-04  Jan Hubicka  <jh@suse.cz>
690
691         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
692         * cgraphbuild.c: Include ipa-utils.h
693         (record_reference_ctx): New struct.
694         (record_reference): Simplify to work on initializers; not statements.
695         (mark_address, mark_load, mark_store): New.
696         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
697         walk PHI nodes too.
698         (record_references_in_initializer): Update use of record_reference.
699         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
700         walk PHI nodes too.
701
702 2010-05-04  Jan Hubicka  <jh@suse.cz>
703
704         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
705         node will be removed anyway.
706         (lto_varpool_replace_node): Allow also unanalyzed nodes;
707         relink aliases of node into prevailing node.
708         * varpool.c (varpool_remove_node): Remove aliases properly;
709         when removing node, remove all its aliases too; remove DECL_INITIAL
710         of removed node; ggc_free the varpool node.
711
712 2010-05-04  Richard Guenther  <rguenther@suse.de>
713
714         PR tree-optimization/43879
715         * tree-ssa-structalias.c (alias_get_name): Use
716         DECL_ASSEMBLER_NAME if available.
717         (create_function_info_for): Return the varinfo node.
718         (ipa_pta_execute): Associate same-body aliases and extra names
719         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
720
721 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
722
723         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
724         static.
725
726 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
727
728         PR bootstrap/43964
729         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
730         only if HONOR_REG_ALLOC_ORDER is not defined.
731
732 2010-05-04  Richard Guenther  <rguenther@suse.de>
733
734         PR tree-optimization/43949
735         * tree-vrp.c (extract_range_from_binary_expr): Only handle
736         TRUNC_MOD_EXPR.
737
738 2010-04-26  Jason Merrill  <jason@redhat.com>
739
740         * c.opt (-fstrict-enums): New.
741         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
742
743 2010-05-03  David Ung <davidu@mips.com>
744             James E. Wilson  <wilson@codesourcery.com>
745
746         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
747         emit the trap instruction before the divide for TUNE_74K.
748
749 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
750
751         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
752         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
753         based on the above, for new target hook.
754
755         * hooks.c (hook_bool_mode_true): New generic hook.
756         * hooks.h (hook_bool_mode_true): Add prototype.
757
758         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
759         target hook.
760         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
761         target hook, set to hook_bool_mode_false.
762         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
763         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
764         with targetm.small_register_classes_for_mode_p.
765         (find_reusable_reload): Likewise.
766         (combine_reloads): Likewise.
767         * reload1.c (reload_as_needed): Likewise.
768         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
769         * ifcvt.c (noce_process_if_block, check_cond_move_block,
770         dead_or_predicable): Likewise.
771         * regmove.c (optimize_reg_copy_1): Likewise.
772         * calls.c (prepare_call_address): Likewise.
773         (precompute_register_parameters): Likewise.
774
775         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
776         hook definition.
777         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
778         implementation of the hook that considers all register classes
779         small except for SH64.
780         (sh_override_options): Use the new hook.
781         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
782         Add prototype.
783
784         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
785         hook definition.
786         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
787         implementation of the hook that considers all register classes
788         small for THUMB1.
789         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
790         Add prototype.
791
792         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
793         hook definition.
794         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
795         implementation of the hook that considers all register classes
796         small for MIPS16.
797         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
798         Add prototype.
799
800         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
801         hook definition.
802         * config/m32c/m32c.h: Likewise.
803         * config/pdp11/pdp11.h: Likewise.
804         * config/avr/avr.h: Likewise.
805         * config/xtensa/xtensa.h: Likewise.
806         * config/m68hc11/m68hc11.h: Likewise.
807         * config/mn10300/mn10300.h: Likewise.
808         * config/mcore/mcore.h: Likewise.
809         * config/h8300/h8300.h: Likewise.
810         * config/bfin/bfin.h: Likewise.
811
812         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
813         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
814
815 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
816
817         * double-int.h (tree_to_double_int): Remove macro.
818         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
819         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
820         (tree_to_double_int): New function.
821         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
822         Move ...
823         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
824
825 2010-05-03  Richard Guenther  <rguenther@suse.de>
826
827         PR tree-optimization/43971
828         * tree-ssa-structalias.c (get_constraint_for_1): Fix
829         constraints in the !flag_delete_null_pointer_checks case.
830
831 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
832
833         PR debug/43972
834         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
835         result mode matches original rtl mode.
836
837 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
838
839         PR target/43888
840         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
841
842 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
843
844         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
845         when processing flag options.
846
847 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
848
849         * gcov-iov.c (main): Change format string placeholder
850         from %#08x to 0x%08x.
851         * genchecksum.c (dosum): Change format string placeholder
852         from %#02x to 0x%02x.
853
854 2010-05-02  Richard Guenther  <rguenther@suse.de>
855
856         PR tree-optimization/43879
857         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
858
859 2010-05-02  Bruno Haible  <bruno@clisp.org>
860
861         * doc/extend.texi (Function Attributes): Fix a typo.
862
863 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
864
865         Revert:
866         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
867         placeholder from 0x%x to %#x.
868         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
869         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
870         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
871         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
872         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
873         * config/i386/i386.c (ix86_target_string): Ditto.
874         * config/i386/i386.c (output_pic_addr_const): Ditto.
875         (print_operand): Ditto.
876
877 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
878
879         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
880         placeholder from 0x%x to %#x.
881         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
882         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
883         (ASM_OUTPUT_DEBUG_DATA): Ditto.
884         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
885         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
886         * optc-gen.awk: Ditto.
887         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
888         (HOST_WIDE_INT_PRINT_HEX): Ditto.
889         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
890         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
891
892 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
893
894         * target.h (struct calls): Add function_value_regno_p field.
895         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
896         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
897         * targhooks.c (default_function_value_regno_p): New function.
898         * targhooks.h (default_function_value_regno_p): Declare function.
899         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
900         * builtins.c. (apply_result_size): (Ditto.).
901         * combine.c. (likely_spilled_retval_p): (Ditto.).
902         * mode-switching.c. Include 'target.h'.
903         (create_pre_exit): Use function_value_regno_p hook.
904         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
905         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
906         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
907
908         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
909         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
910         (ix86_function_value_regno_p): Declare as static, change argument
911         type to const unsigned int.
912         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
913
914 2010-05-01  Richard Guenther  <rguenther@suse.de>
915
916         PR tree-optimization/43949
917         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
918         types.
919         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
920
921 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
922
923         * rtl.h (CONST_DOUBLE_P): Define.
924         (rtx_to_double_int): Declare.
925         * emit-rtl.c (rtx_to_double_int): New function.
926         * dwarf2out.c (insert_double): New function.
927         (loc_descriptor, add_const_value_attribute): Clean up, use
928         rtx_to_double_int and insert_double functions.
929
930 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
931
932         * doc/extend.texi (Inline): Add missing return keyword to examples.
933         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
934         "command-line".
935
936 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
937
938         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
939         the variable part of the offset as well.  Use highest_pow2_factor for
940         all alignment checks.
941
942 2010-04-30  Richard Guenther  <rguenther@suse.de>
943
944         PR tree-optimization/43879
945         * tree-ssa-structalias.c (type_could_have_pointers): Functions
946         can have pointers.
947
948 2010-04-30  Jan Hubicka  <jh@suse.cz>
949
950         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
951         varpool.
952         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
953
954 2010-04-30  Jan Hubicka  <jh@suse.cz>
955
956         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
957         New.
958         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
959         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
960         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
961         cgraph_node_set_needs_ltrans_p): Remove.
962
963 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
964
965         * sdbout.c: Include vec.h, do not include varray.h.
966         (deferred_global_decls, sdbout_global_decl,
967         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
968         * toplev.c: Do not include varray.h.
969         (dump_memory_report): Do not dump VARRAY statistics.
970         * gengtype.c (open_base_file): Ignore varray.h.
971         * Makefile.in: Update for abovementioned changes.
972         Remove all traces of varray.c and varray.h.
973         * varray.c: Remove file.
974         * varray.h: Remove file.
975
976 2010-04-30  Jan Hubicka  <jh@suse.cz>
977
978         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
979         references.
980
981 2010-04-30  Jan Hubicka  <jh@suse.cz>
982
983         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
984         needed.
985
986 2010-04-30  Richard Guenther  <rguenther@suse.de>
987
988         * tree-ssa-structalias.c (get_constraint_for_1): Generate
989         constraints for CONSTRUCTOR.
990
991 2010-04-30  Richard Guenther  <rguenther@suse.de>
992
993         PR lto/43946
994         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
995         first after all lowering passes.
996
997 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
998
999         * toplev.c: Include varray.h for statistics dumping.
1000         * tree.h: Do not declare varray_head_tag.
1001         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1002         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1003         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1004         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1005         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1006         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1007         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1008         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1009         include varray.h.
1010         * Makefile.in: Update for abovementioned changes.
1011
1012 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1013
1014         PR debug/43942
1015         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1016
1017 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1018
1019         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1020         Use this function to do machine-specific conversion.
1021         (picochip_legitimize_reload_address): Likewise.
1022         (picochip_legitimate_address_p): Check valid base register only if
1023         strict.
1024         (picochip_check_conditional_copy): Check for modw only if opnd is
1025         register.
1026         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1027         to call the function in c.
1028         * config/picochip/picochip-protos.h
1029         (picochip_legitimize_reload_address): Define.
1030         * config/picochip/picochip.md (supported_compare1): Define.
1031
1032 2010-04-30  Jan Hubicka  <jh@suse.cz>
1033
1034         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1035         (cgraph_global_info): Remove inlined.
1036         (LTO_cgraph_tag_names): Remove.
1037         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1038         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1039         simplify cgraph tags and document.
1040         (lto_output_node): Use only LTO_cgraph_unavail_node and
1041         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1042         for_functions_valid, global info, process and output flags.
1043         (input_overwrite_node): Initialize estimated stack size and
1044         estimated growth.  Do not read flags we no longer store.
1045         (input_node): Likewise do not read info no longer stored.
1046         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1047         flag.
1048
1049 2010-04-30  Richard Guenther  <rguenther@suse.de>
1050
1051         PR tree-optimization/43879
1052         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1053         handle non-zero initializers.
1054
1055 2010-04-30  Richard Guenther  <rguenther@suse.de>
1056
1057         * builtins.c (fold_builtin_1): Delete free (0).
1058
1059 2010-04-29  Jan Hubicka  <jh@suse.cz>
1060
1061         * gengtype.c (open_base_files): Add lto-streamer.h
1062         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1063         (pass_ipa_cp): GGC collect.
1064         * toplev. (compile_file): Do not output symbols.
1065         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1066         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1067         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1068         * lto-section-in.c: Include ggc.h
1069         (lto_new_in_decl_state): Alloc in GGC.
1070         (lto_delete_in_decl_state): Likewise.
1071         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1072         Collect.
1073
1074 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1075
1076         PR target/42895
1077         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1078         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1079         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1080         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1081         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1082         account only if HONOR_REG_ALLOC_ORDER is not defined.
1083         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1084         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1085
1086 2010-04-29  Jon Grant  <04@jguk.org>
1087
1088         * collect2.c (vflag): Change type from int to bool.
1089         (debug): Likewise.
1090         (helpflag): New global bool.
1091         (main): Set vflag and debug with boolean, not integer truth values.
1092         Accept new "--help" option and output usage text if found.
1093         * collect2.h (vflag): Update prototype.
1094         (debug): Likewise.
1095
1096 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1097
1098         PR bootstrap/43936
1099         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1100
1101 2010-04-29  Richard Guenther  <rguenther@suse.de>
1102
1103         PR bootstrap/43935
1104         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1105         with ATTRIBUTE_UNUSED.
1106
1107 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1108
1109         PR target/43921
1110         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1111         INSN_P with NONDEBUG_INSN_P.
1112         (distance_non_agu_define): Likewise.
1113         (distance_agu_use): Likewise.
1114
1115 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1116
1117         From Dominique d'Humieres <dominiq@lps.ens.fr>
1118         PR bootstrap/43858
1119         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1120         test_set.
1121
1122 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1123
1124         * plugin.h (invoke_plugin_callbacks): New inline function.
1125         * plugin.c (flag_plugin_added): New global flag.
1126         (add_new_plugin): Initialize above flag.
1127         (invoke_plugin_callbacks): Rename to ...
1128         (invoke_plugin_callbacks_full): ... this.
1129
1130 2010-04-28  Jan Hubicka  <jh@suse.cz>
1131
1132         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1133         (lto_varpool_replace_node): New.
1134         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1135         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1136         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1137         * cgraph.h (varpool_node_ptr): New type.
1138         (varpool_node_ptr): New vector.
1139         (varpool_node_set_def): New structure.
1140         (varpool_node_set): New type.
1141         (varpool_node_set): New vector.
1142         (varpool_node_set_element_def): New structure.
1143         (varpool_node_set_element, const_varpool_node_set_element): New types.
1144         (varpool_node_set_iterator): New type.
1145         (varpool_node): Add prev pointers, add used_from_other_partition,
1146         in_other_partition.
1147         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1148         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1149         varpool_get_node, varpool_remove_node): Declare.
1150         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1151         varpool_node_set_size): New inlines.
1152         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1153         * tree-pass.h (varpool_node_set_def): Forward declare.
1154         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1155         (ipa_write_optimization_summaries): Update prototype.
1156         * ipa-cp.c (ipcp_write_summary): Update.
1157         * ipa-reference.c (ipa_reference_write_summary): Update.
1158         * lto-cgraph.c (lto_output_varpool_node): New static function.
1159         (output_varpool): New function.
1160         (input_varpool_node): New static function.
1161         (input_varpool_1): New function.
1162         (input_cgraph): Input varpool.
1163         * ipa-pure-const.c (pure_const_write_summary): Update.
1164         * lto-streamer-out.c (lto_output): Update, output varpool too.
1165         (write_global_stream): Kill WPA hack.
1166         (produce_asm_for_decls): Update.
1167         (output_alias_pair_p): Handle variables.
1168         (output_unreferenced_globals): Output only needed partition of varpool.
1169         * ipa-inline.c (inline_write_summary): Update.
1170         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1171         cgraph.
1172         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1173         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1174         varpool_node_set_new, varpool_node_set_add,
1175         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1176         debug_varpool_node_set): New functions.
1177         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1178         (execute_one_pass): Process new decls too.
1179         (ipa_write_summaries_2): Pass around vsets.
1180         (ipa_write_summaries_1): Likewise.
1181         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1182         to add.
1183         (ipa_write_optimization_summaries_1): Pass around vsets.
1184         (ipa_write_optimization_summaries): Likewise.
1185         * varpool.c (varpool_get_node): New.
1186         (varpool_node): Update doubly linked lists.
1187         (varpool_remove_node): New.
1188         (dump_varpool_node): More dumping.
1189         (varpool_enqueue_needed_node): Update doubly linked lists.
1190         (decide_is_variable_needed): Kill ltrans hack.
1191         (varpool_finalize_decl): Kill lto hack.
1192         (varpool_assemble_decl): Skip decls in other partitions.
1193         (varpool_assemble_pending_decls): Update doubly linkes lists.
1194         (varpool_empty_needed_queue): Likewise.
1195         (varpool_extra_name_alias): Likewise.
1196         * lto-streamer.c (lto_get_section_name): Add vars section.
1197         * lto-streamer.h (lto_section_type): Update.
1198         (output_varpool, input_varpool): Declare.
1199
1200 2010-04-28  Mike Stump  <mikestump@comcast.net>
1201
1202         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1203
1204 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1205
1206         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1207         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1208         (lto_input_ts_type_tree_pointers): Likewise.
1209         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1210         (lto_output_ts_type_tree_pointers): Likewise.
1211
1212 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1213
1214         Uniquization of constants at the Tree level
1215         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1216         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1217         bit to the end.
1218         (tree_output_constant_def): Declare.
1219         * gimplify.c (gimplify_init_constructor): When using block copy, first
1220         uniquize the constant constructor on the RHS.
1221         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1222         DECL_IN_CONSTANT_POOL flag.
1223         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1224         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1225         constant pool.
1226         (assemble_variable): Deal with symbols belonging to the tree constant
1227         pool.
1228         (get_constant_section): Add ALIGN parameter and simplify.
1229         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1230         (assemble_constant_contents): Use the expression of the VAR_DECL.
1231         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1232         (tree_output_constant_def): New global function.
1233         (mark_constant): Use the expression of the VAR_DECL.
1234         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1235         its expression.
1236         (output_object_block): Likewise and assemble the expression.
1237
1238 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1239
1240         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1241         hash_tree, eq_tree): New tree hash table.
1242         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1243         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1244         lto_orig_address_remove): Reimplement.
1245
1246 2010-04-28  Xinliang David Li  <davidxl@google.com>
1247
1248         PR c/42643
1249         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1250         (compute_uninit_opnds_pos): New function.
1251         (is_non_loop_exit_postdominating): New function.
1252         (compute_control_dep_chain): New function.
1253         (find_pdom): New function.
1254         (convert_control_dep_chain_into_preds): New function.
1255         (find_predicates): New function.
1256         (find_control_equiv_block): New function.
1257         (collect_phi_def_edges): New function.
1258         (find_def_preds): New function.
1259         (find_dom): New function.
1260         (dump_predicates): New function.
1261         (get_cmp_code): New function.
1262         (is_value_included_in): New function.
1263         (find_matching_predicate_in_rest_chains): New function.
1264         (use_pred_not_overlap_with_undef_path_pred): New function.
1265         (is_use_properly_guarded): New function.
1266         (normalize_cond_1): New function.
1267         (is_and_or_or): New function.
1268         (normalize_cond): New function.
1269         (is_gcond_subset_of): New function.
1270         (is_subset_of_any): New function.
1271         (is_or_set_subset_of): New function.
1272         (is_and_set_subset_of): New function.
1273         (is_norm_cond_subset_of): New function.
1274         (is_pred_expr_subset_of): New function.
1275         (is_pred_chain_subset_of): New function.
1276         (is_included_in): New function.
1277         (is_superset_of): New function.
1278         (find_uninit_use): New function.
1279         (warn_uninitialized_phi): New function.
1280         (compute_possibly_undefined_names): New function.
1281         (ssa_undefined_value_p): New function.
1282         (execute_late_warn_uninitialized): New function.
1283         * tree-ssa.c (ssa_undefined_value_p): Removed.
1284         (warn_uninit): Changed to extern.
1285         (warn_uninitialized_phi): Removed.
1286         (warn_uninitialized_vars): Changed to extern.
1287         (execute_late_warn_uninitialized): Removed
1288         * tree-flow.h: Add new prototypes.
1289         * timevar.def: Add new time variable.
1290         * Makefile.in: Add new build file.
1291
1292 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1293
1294         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1295         type if available.
1296
1297 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1298
1299         PR target/22224
1300         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1301
1302 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1303
1304         * cgraph.h (struct cgraph_node): New field indirect_calls.
1305         (struct cgraph_indirect_call_info): New type.
1306         (struct cgraph_edge): Removed field indirect_call. New fields
1307         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1308         (cgraph_create_indirect_edge): Declare.
1309         (cgraph_make_edge_direct): Likewise.
1310         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1311         * ipa-prop.h (struct ipa_param_call_note): Removed.
1312         (struct ipa_node_params): Removed field param_calls.
1313         (ipa_create_all_structures_for_iinln): Declare.
1314         * cgraph.c: Described indirect edges and uids in initial comment.
1315         (cgraph_add_edge_to_call_site_hash): New function.
1316         (cgraph_edge): Search also among the indirect edges, use
1317         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1318         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1319         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1320         site hash.
1321         (initialize_inline_failed): Assign a reason to indirect edges.
1322         (cgraph_create_edge_1): New function.
1323         (cgraph_create_edge): Moved some functionality to
1324         cgraph_create_edge_1.
1325         (cgraph_create_indirect_edge): New function.
1326         (cgraph_edge_remove_callee): Add an assert checking for
1327         non-indirectness.
1328         (cgraph_edge_remove_caller): Special-case indirect edges.
1329         (cgraph_remove_edge): Likewise.
1330         (cgraph_set_edge_callee): New function.
1331         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1332         (cgraph_make_edge_direct): New function.
1333         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1334         the declaration of the call statement matches.
1335         (cgraph_node_remove_callees): Special-case indirect edges.
1336         (cgraph_clone_edge): Likewise.
1337         (cgraph_clone_node): Clone also the indirect edges.
1338         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1339         indirect_call, dump count of indirect_calls edges.
1340         * ipa-prop.c (iinlining_processed_edges): New variable.
1341         (ipa_note_param_call): Create indirect edges instead of
1342         creating notes.  New parameter node.
1343         (ipa_analyze_call_uses): New parameter node, pass it on to
1344         ipa_note_param_call.
1345         (ipa_analyze_stmt_uses): Likewise.
1346         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1347         (print_edge_addition_message): Work on edges rather than on notes.
1348         (update_call_notes_after_inlining): Likewise, renamed to
1349         update_indirect_edges_after_inlining.
1350         (ipa_create_all_structures_for_iinln): New function.
1351         (ipa_free_node_params_substructures): Do not free notes.
1352         (ipa_edge_duplication_hook): Propagate bits within
1353         iinlining_processed_edges bitmap.
1354         (ipa_node_duplication_hook): Do not duplicate notes.
1355         (free_all_ipa_structures_after_ipa_cp): Renamed to
1356         ipa_free_all_structures_after_ipa_cp.
1357         (free_all_ipa_structures_after_iinln): Renamed to
1358         ipa_free_all_structures_after_iinln.g
1359         (ipa_write_param_call_note): Removed.
1360         (ipa_read_param_call_note): Removed.
1361         (ipa_write_indirect_edge_info): New function.
1362         (ipa_read_indirect_edge_info): Likewise.
1363         (ipa_write_node_info): Do not stream notes, do stream information
1364         in indirect edges.
1365         (ipa_read_node_info): Likewise.
1366         (lto_ipa_fixup_call_notes): Removed.
1367         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1368         * ipa-inline.c (pass_ipa_inline): Likewise.
1369         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1370         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1371         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1372         is_gimple_call.
1373         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1374         edges.
1375         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1376         (output_cgraph): Stream also indirect edges.
1377         (lto_output_edge): Added capability to stream indirect edges.
1378         (input_edge): Likewise.
1379         (input_cgraph_1): Likewise.
1380         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1381         of indirect edges.
1382
1383 2010-04-28  Richard Guenther  <rguenther@suse.de>
1384
1385         PR tree-optimization/43879
1386         PR tree-optimization/43909
1387         * tree-ssa-structalias.c (struct variable_info): Add
1388         only_restrict_pointers flag.
1389         (new_var_info): Initialize it.  Increment stats.total_vars here.
1390         (create_function_info_for): Do not increment stats.total_vars
1391         here.
1392         (get_function_part_constraint): Fix build with C++.
1393         (insert_into_field_list): Remove.
1394         (push_fields_onto_fieldstack): Properly merge fields.
1395         (create_variable_info_for): Split and simplify.
1396         (create_variable_info_for_1): New piece.
1397         (intra_create_variable_infos): Properly make restrict constraints
1398         from parameters.
1399
1400 2010-04-28  Richard Guenther  <rguenther@suse.de>
1401
1402         PR c++/43880
1403         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1404
1405 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1406             Jan Hubicka <hubicka@ucw.cz>
1407
1408         * doc/invoke.texi (-Wsuggest-attribute=const,
1409         -Wsuggest-attribute=pure): Document.
1410         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1411         (function_always_visible_to_compiler_p,
1412         suggest_attribute, warn_function_pure, warn_function_const):
1413         New functions.
1414         (check_call): Improve debug info.
1415         (analyze_function): Do not check availability.
1416         (add_new_function): Check availability.
1417         (propagate): Output warnings.
1418         (skip_function_for_local_pure_const): New function.
1419         (local_pure_const): Use it; output warnings.
1420         * common.opt (Wsuggest-attribute=const,
1421         Wsuggest-attribute=pure): New.
1422
1423 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1424
1425         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1426         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1427         or DW_CFA_def_cfa_offset{,_sf}.
1428
1429 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1430
1431         * tree.h: Fix truncated long macros.
1432
1433 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1434
1435         * collect2.c (TARGET_64BIT): Redefine to target's default.
1436         * tlink.c: Likewise.
1437         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1438         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1439         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1440         for underscoring __USER_LABEL_PREFIX__.
1441         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1442         (SUB_LINK_ENTRY32): New.
1443         (SUB_LINK_ENTRY64): New.
1444         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1445         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1446         (SUB_LINK_ENTRY64): New.
1447         (SUB_LINK_ENTRY): New.
1448         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1449         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1450         x64 target is choosen.
1451         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1452         * configure: Regenerated.
1453         * configure.ac (leading-mingw64-underscores): Option added.
1454
1455 2010-04-27  Jan Hubicka  <jh@suse.cz>
1456
1457         * doc/invoke.texi (-fipa-profile): Document.
1458         * opts.c (decode_options): Enable ipa-profile at -O1.
1459         * timevar.def (TV_IPA_PROFILE): Define.
1460         * common.opt (fipa-profile): Add.
1461         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1462         flag for clones.
1463         (cgraph_propagate_frequency): Handle only local ones.
1464         * tree-pass.h (pass_ipa_profile): Declare.
1465         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1466         (pass_ipa_profile): Use TV_IPA_PROFILE.
1467         * ipa.c (ipa_profile): New function.
1468         (gate_ipa_profile): Likewise.
1469         (pass_ipa_profile): New global variable.
1470         * passes.c (pass_ipa_profile): New.
1471
1472 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1473
1474         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1475
1476 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1477
1478         PR middle-end/43812
1479         * ipa.c (dissolve_same_comdat_group_list): New function.
1480         (function_and_variable_visibility): Call
1481         dissolve_same_comdat_group_list when comdat group contains external or
1482         newly local nodes.
1483         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1484         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1485
1486 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1487
1488         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1489         (const_hash_1) <VECTOR_CST>: New case.
1490         (compare_constant) <VECTOR_CST>: Likewise.
1491         <ADDR_EXPR>: Deal with LABEL_REFs.
1492         (copy_constant) <VECTOR_CST>: New case.
1493
1494 2010-04-27  Jan Hubicka  <jh@suse.cz>
1495
1496         * cgraph.c (cgraph_propagate_frequency): New function.
1497         * cgraph.h (cgraph_propagate_frequency): Declare.
1498         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1499         cgraph_propagate_frequency.
1500
1501 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1502
1503         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1504
1505 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1506
1507         PR target/40657
1508         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1509         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1510         here to determine which regs to push and how much stack to reserve.
1511
1512 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1513
1514         * doc/gimple.texi (gimple_statement_with_ops): Remove
1515         addresses_taken field.
1516         (gimple_statement_with_memory_ops): Likewise.
1517
1518 2010-04-27  Jan Hubicka  <jh@suse.cz>
1519
1520         * tree-inline.c (eni_inlining_weights): Remove.
1521         (estimate_num_insns): Special case more builtins.
1522
1523 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1524
1525         PR c/32207
1526         * c-typeck.c (build_binary_op): Move forward check for comparison
1527         pointer with null pointer constant and adjust the diagnostic message.
1528
1529 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1530
1531         PR lto/42776
1532         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1533         binutils supports extended .section directive needed by LTO, or
1534         warn if older binutils found.
1535         (LTO_BINARY_READER): New AC_SUBST'd variable.
1536         (LTO_USE_LIBELF): Likewise.
1537         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1538         variable.
1539         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1540         (LTO_USE_LIBELF): Likewise.
1541         * configure: Regenerate.
1542
1543         * collect2.c (is_elf): Rename from this ...
1544         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1545          object files in addition to ELF-formatted ones.
1546         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1547         symbol to be prefixed or not by an extra underscore.
1548
1549         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1550         * config/i386/winnt.c: Also #include lto-streamer.h
1551         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1552         LTO named sections.
1553         (i386_pe_asm_output_aligned_decl_common): Add comment.
1554         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1555
1556 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1557
1558         PR target/43889
1559         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1560         Add missing earlyclobber for second alternative.
1561
1562 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1563
1564         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1565         bits for artificial defs at the top of the block.
1566         * fwprop.c (single_def_use_enter_block): Don't call it.
1567
1568 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1569
1570         PR 43715
1571         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1572         instead of "$gcc_cv_objdump -T".
1573         Use "-undefined dynamic_lookup" on darwin.
1574         * gcc/configure: Regenerate.
1575
1576 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1577
1578         PR c/43893
1579         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1580
1581 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1582
1583         * c-parser.c (struct c_token): Move location field up.
1584         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1585         (struct c_declspecs): Convert typespec_word, storage_class, and
1586         default_int_p into bitfields.
1587         (struct c_declarator): Move loc field up.
1588
1589 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1590
1591         * cfgloop.h (struct loop): Move can_be_parallel field up.
1592         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1593         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1594         down.
1595         (struct iv_cand): Convert pos field into a bitfield.
1596         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1597         field up.
1598         (struct _stmt_vec_info): Shuffle fields for better packing.
1599
1600 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1601
1602         * varasm.c (IN_NAMED_SECTION): Remove guard.
1603         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1604         (IN_NAMED_SECTION_P): ...this.
1605         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1606         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1607
1608 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1609
1610         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1611         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1612         of shadowing it.  Fix comments.
1613
1614 2010-04-26  Jan Hubicka  <jh@suse.cz>
1615
1616         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1617         (cgraph_clone_node): Copy function frequency.
1618         * cgraph.h (node_frequency): New enum
1619         (struct cgraph_node): Add.
1620         * final.c (rest_of_clean_state): Update.
1621         * lto-cgraph.c (lto_output_node): Output node frequency.
1622         (input_overwrite_node): Input node frequency.
1623         * tre-ssa-loop-ivopts (computation_cost): Update.
1624         * lto-streamer-out.c (output_function): Do not output function
1625         frequency.
1626         * predict.c (maybe_hot_frequency_p): Update and handle functions
1627         executed once.
1628         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1629         attribute lookup.
1630         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1631         (compute_function_frequency): Set noreturn functions to be executed
1632         once.
1633         (choose_function_section): Update.
1634         * lto-streamer-in.c (input_function): Do not input function frequency.
1635         * function.c (allocate_struct_function): Do not initialize function
1636         frequency.
1637         * function.h (function_frequency): Remove.
1638         (struct function): Remove function frequency.
1639         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1640         (try_update): Update.
1641         * tree-inline.c (initialize_cfun): Do not update function frequency.
1642         * passes.c (pass_init_dump_file): Update.
1643         * i386.c (ix86_compute_frame_layout): Update.
1644         (ix86_pad_returns): Update.
1645
1646 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1647
1648         PR tree-optimization/43833
1649         * tree-vrp.c (range_int_cst_p): New.
1650         (range_int_cst_singleton_p): New.
1651         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1652         when both operands are constants.  Use range_int_cst_p in
1653         BIT_IOR_EXPR case.
1654
1655 2010-04-26  Jan Hubicka  <jh@suse.cz>
1656
1657         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1658
1659 2010-04-26  Richard Guenther  <rguenther@suse.de>
1660
1661         PR lto/43080
1662         * gimple.c (gimple_decl_printable_name): Deal gracefully
1663         with a NULL DECL_NAME.
1664
1665 2010-04-26  Richard Guenther  <rguenther@suse.de>
1666
1667         PR lto/42425
1668         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1669         if emitting debug information and it is either a function
1670         or a namespace decl.
1671
1672 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1673
1674         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1675         determine if the statement is vectorizable, and a macro to access it.
1676         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1677         Skip statements that can't be vectorized. If the analysis fails,
1678         mark the statement as unvectorizable if vectorizing basic block.
1679         (vect_compute_data_refs_alignment): Likewise.
1680         (vect_verify_datarefs_alignment): Skip statements marked as
1681         unvectorizable. Add print.
1682         (vect_analyze_group_access): Skip statements that can't be
1683         vectorized. If the analysis fails, mark the statement as
1684         unvectorizable if vectorizing basic block.
1685         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1686         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1687         generated stmts for SLP.
1688         (new_stmt_vec_info): Initialize the new field.
1689         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1690         statements marked as unvectorizable.
1691
1692 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1693
1694         * c-common.c (flag_isoc1x): New.
1695         (flag_isoc99): Update comment.
1696         * c-common.h (flag_isoc1x): New.
1697         (flag_isoc99): Update comment.
1698         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1699         __<type>_DECIMAL_DIG__.
1700         * c-opts.c (set_std_c1x): New.
1701         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1702         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1703         * c.opt (-std=c1x, -std=gnu1x): New options.
1704         * doc/cpp.texi: Mention -std=c1x.
1705         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1706         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1707         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1708         * doc/standards.texi: Mention C1X.
1709         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1710         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1711         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1712         Define for C1X.
1713
1714 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1715
1716         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1717         placeholder from 0x%x to %#x.
1718         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1719         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1720         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1721         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1722         * config/i386/i386.c (ix86_target_string): Ditto.
1723         (output_pic_addr_const): Ditto.
1724         (print_operand): Ditto.
1725
1726 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1727
1728         * combine.c (find_split_point): Add third argument.  Use it
1729         to find nested multiply-accumulate instructions.  Adjust calls.
1730         (try_combine): Adjust call to find_split_point.
1731
1732 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1733
1734         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1735
1736 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1737
1738         PR tree-optimization/41442
1739         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1740         (fold_binary_loc): Call it.
1741
1742 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1743
1744         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1745         * opts.c (common_handle_option): Allow disabling it.
1746         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1747
1748 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1749
1750         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1751         between modes if both types are integral.
1752
1753 2010-04-23  Richard Guenther  <rguenther@suse.de>
1754
1755         PR tree-optimization/43572
1756         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1757
1758 2010-04-23  Richard Guenther  <rguenther@suse.de>
1759
1760         PR lto/43455
1761         * tree-inline.c (tree_can_inline_p): Also check compatibility
1762         of return types.
1763
1764 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1765
1766         PR tree-optimization/43846
1767         * tree-sra.c (struct access): New flag grp_assignment_read.
1768         (build_accesses_from_assign): Set grp_assignment_read.
1769         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1770         (enum mark_read_status): New type.
1771         (analyze_access_subtree): Propagate grp_assignment_read, create
1772         accesses also if both direct_read and root->grp_assignment_read.
1773
1774 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1775
1776         PR middle-end/43835
1777         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1778         function does not have type attributes.
1779
1780 2010-04-23  Richard Guenther  <rguenther@suse.de>
1781
1782         PR lto/42653
1783         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1784         of FUNCTION_DECLs.
1785
1786 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1787
1788         * sese.h (create_if_region_on_edge): Remove.
1789
1790         * sese.c (create_if_region_on_edge): Make static.
1791
1792         * tree-inline.c: Do not include ggc.h.
1793
1794         * expr.c: Do not include ggc.h.
1795
1796         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1797         dependencies.
1798
1799 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1800
1801         PR target/43744
1802         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1803         in the middle of insns for casesi_worker_2.
1804
1805 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1806
1807         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1808
1809 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1810
1811         PR tree-optimization/43842
1812         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1813         loop unrolling in update of exit phis. Fix comment.
1814         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1815         least two reduction statements in the loop before starting SLP
1816         analysis.
1817
1818 2010-04-22  Nick Clifton  <nickc@redhat.com>
1819
1820         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1821
1822 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1823
1824         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1825         to simplify a + ~a.
1826
1827 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1828
1829         * tree-parloops.c (loop_parallel_p): New argument
1830         parloop_obstack.  Pass it down.
1831         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1832         pass it down, free it.
1833
1834         * tree-loop-linear.c (linear_transform_loops): Pass down
1835         lambda_obstack.
1836
1837         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1838         of type struct obstack *.
1839
1840         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1841         scratch_obstack.  Initialize it, pass down, free it.
1842
1843         * lambda.h (lambda_loop_new): Remove.
1844         (lambda_matrix_new, lambda_matrix_inverse)
1845         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1846         argument of type struct obstack *.
1847
1848         * lambda-trans.c (lambda_trans_matrix_new): New argument
1849         lambda_obstack.  Pass it down, use obstack allocation for ret.
1850         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1851         it down.
1852
1853         * lambda-mat.c (lambda_matrix_get_column)
1854         (lambda_matrix_project_to_null): Remove.
1855         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1856         allocation for mat.
1857         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1858         lambda_obstack.
1859
1860         * lambda-code.c (lambda_loop_new): New function.
1861         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1862         (lambda_compute_auxillary_space, lambda_compute_target_space)
1863         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1864         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1865         (build_access_matrix): New argument lambda_obstack.  Use obstack
1866         allocation for am.
1867         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1868         argument lambda_obstack.  Pass it down.
1869
1870 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1871
1872         * optabs.h (expand_widening_mult): Declare.
1873
1874 2010-04-22  Richard Guenther  <rguenther@suse.de>
1875
1876         PR tree-optimization/43845
1877         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1878         lookup the CALL_EXPR function and arguments.
1879
1880 2010-04-22  Nick Clifton  <nickc@redhat.com>
1881
1882         * config/stormy16/stormy16.c
1883         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1884         * config/stormy16/stormy16.h: Tidy up formatting.
1885         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1886         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1887         (ineqbranchsi): Delete pattern.
1888         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1889         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1890         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1891         stormy16-lib2-ucmpsi2.c.
1892
1893 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1894
1895         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1896         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1897         extra set merge_set_noclobber, and use it to relax the final test
1898         slightly.
1899         * df.h (df_simulate_find_noclobber_defs): Declare.
1900         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1901         conditional defs.
1902         (df_simulate_find_noclobber_defs): New function.
1903
1904 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1905
1906         * config/i386/i386.md: Use {} around multi-line preparation statements.
1907
1908 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1909
1910         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1911         (process_init_element): New argument of type struct obstack *.
1912
1913         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1914         (set_init_index, set_init_label, set_nonincremental_init)
1915         (set_nonincremental_init_from_string, find_init_member)
1916         (output_init_element, output_pending_init_elements)
1917         (process_init_element): New argument braced_init_obstack.  Pass it
1918         down.
1919         (push_range_stack, add_pending_init): New argument
1920         braced_init_obstack.  Use obstack allocation.
1921
1922         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1923         braced_init_obstack.  Pass it down.
1924         (c_parser_braced_init): New variables ret, braced_init_obstack.
1925         Initialize obstack, pass it down and finally free it.
1926
1927 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1928
1929         PR middle-end/29274
1930         * tree-pass.h (pass_optimize_widening_mul): Declare.
1931         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1932         gate_optimize_widening_mul): New static functions.
1933         (pass_optimize_widening_mul): New.
1934         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1935         <case MULT_EXPR>: Remove support for widening multiplies.
1936         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1937         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1938         simplify_gen_unary rather than directly building extensions.
1939         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1940         WIDEN_MULT_EXPR.
1941         * expmed.c (expand_widening_mult): New function.
1942         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1943
1944 2010-04-21  Jan Hubicka  <jh@suse.cz>
1945
1946         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1947         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1948         * lto-wpa-fixup.c: Remove.
1949         * Makefile.in (lto-wpa-fixup.o): Remove.
1950         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1951         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1952         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1953
1954 2010-04-21  Jan Hubicka  <jh@suse.cz>
1955
1956         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1957         add write_optimization_summary, read_optimization_summary.
1958         (ipa_write_summaries_of_cgraph_node_set): Remove.
1959         (ipa_write_optimization_summaries): Declare.
1960         (ipa_read_optimization_summaries): Declare.
1961         * ipa-cp.c (pass_ipa_cp): Update.
1962         * ipa-reference.c (pass_ipa_reference): Update.
1963         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1964         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1965         Update.
1966         * ipa-inline.c (pass_ipa_inline): Update.
1967         * ipa.c (pass_ipa_whole_program): Update.
1968         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1969         * passes.c (ipa_write_summaries_1): Do not test wpa.
1970         (ipa_write_optimization_summaries_1): New.
1971         (ipa_write_optimization_summaries): New.
1972         (ipa_read_summaries): Do not test ltrans.
1973         (ipa_read_optimization_summaries_1): New.
1974         (ipa_read_optimization_summaries): New.
1975
1976 2010-04-21  Jan Hubicka  <jh@suse.cz>
1977
1978         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1979         for boundary nodes.
1980         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1981
1982 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1983
1984         PR debug/40040
1985         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1986         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1987
1988 2010-04-21  Jan Hubicka  <jh@suse.cz>
1989
1990         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1991
1992 2010-04-21  Jan Hubicka  <jh@suse.cz>
1993
1994         * varpool.c (decide_is_variable_needed): Variable is always needed
1995         during ltrans.
1996
1997 2010-04-21  Jan Hubicka  <jh@suse.cz>
1998
1999         * opts.c (decode_options): Enable pure-const pass for whopr.
2000
2001 2010-04-21  Jan Hubicka  <jh@suse.cz>
2002
2003         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2004         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2005         at WPA dumping.
2006         (cgraph_decide_inlining): Do not expect callee to be removed in all
2007         cases.
2008
2009 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2010
2011         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2012
2013 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2014
2015         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2016         amdfam10_decode attributes.
2017
2018 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2019
2020         PR middle-end/43570
2021         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2022         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2023         (lower_copyprivate_clauses): Use private var in outer
2024         context instead of original var.  Make sure the types
2025         are correct for VLAs.
2026
2027 2010-04-21  Richard Guenther  <rguenther@suse.de>
2028
2029         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2030         to non-pointer objects.
2031
2032 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2033
2034         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2035         last chain entry if it starts with the still current label.
2036         (add_location_or_const_value_attribute): Check that
2037         loc_list->first->next is NULL instead of comparing ->first with ->last.
2038         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2039         to add_var_loc_to_decl.
2040
2041         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2042         >= 4 add also address size and segment size fields into CIE header.
2043
2044         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2045         long as address size is the same as sizeof (void *) and
2046         segment size is 0.
2047         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2048         address size or segment size is unexpected, return DW_EH_PE_omit.
2049         (classify_object_over_fdes): If get_cie_encoding returned
2050         DW_EH_PE_omit, return -1.
2051         (init_object): If classify_object_over_fdes returned -1,
2052         pretend there were no FDEs at all.
2053
2054 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2055
2056         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2057         bswap{si,di}2 using SWI48 mode iterator.
2058         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2059         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2060         set modrm attribute of bswap insn to 0 and remove length attribute.
2061         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2062         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2063         set mode attribute to <MODE> and remove length attribute.
2064
2065 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2066
2067         PR rtl-optimization/43520
2068         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2069         zero available registers.
2070
2071 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2072
2073         * builtins.c (fold_builtin_cproj): Fold more cases.
2074
2075 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2076
2077         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2078         (fold_builtin_1): Fold builtin cproj.
2079         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2080         Use ATTR_CONST_NOTHROW_LIST.
2081
2082 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2083
2084         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2085         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2086         ffsi2_no_cmove for !TARGET_CMOVE.
2087         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2088         (ffssi2): Remove expander.
2089         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2090         mode iterator.
2091         (ctz<mode>2): Ditto from ctz{si,di}2.
2092         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2093         mode iterator.
2094         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2095         mode iterator.
2096
2097 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2098
2099         * dwarf2out.c (AT_linkage_name): Define.
2100         (clone_as_declaration): Handle DW_AT_linkage_name.
2101         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2102         of DW_AT_MIPS_linkage_name.
2103         (move_linkage_attr): Likewise.
2104         (dwarf2out_finish): Likewise.
2105
2106 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2107
2108         PR middle-end/41952
2109         * fold-const.c (fold_comparison): New folding rule.
2110
2111 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2112
2113         * double-int.h (double_int_setbit): Declare.
2114         * double-int.c (double_int_setbit): New function.
2115         * rtl.h (immed_double_int_const): Declare.
2116         * emit-rtl.c (immed_double_int_const): New function.
2117         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2118         and immed_double_int_const functions.
2119         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2120         expand_copysign_bit):  (Ditto.).
2121         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2122         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2123         * dojump.c (prefer_and_bit_test): (Ditto.).
2124         * expr.c (convert_modes, reduce_to_bit_field_precision,
2125         const_vector_from_tree): (Ditto.).
2126         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2127
2128 2010-04-20  Jan Hubicka  <jh@suse.cz>
2129
2130         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2131         (dump_cgraph_node): Dump new flags.
2132         * cgraph.h (struct cgraph_node): Add flags
2133         reachable_from_other_partition and in_other_partition.
2134         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2135         other partition can not be removed.
2136         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2137         the other partition must be output; silence sanity checking on
2138         leaking functions bodies from other paritition.
2139         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2140         (lto_output_node): Output new flags; do not sanity check that inline
2141         clones are output; drop lto_forced_extern_inline_p code; do not mock
2142         visibility flags at partition boundaries.
2143         (add_node_to): New function.
2144         (output_cgraph): Use it to sort functions so masters appear before
2145         clones.
2146         (input_overwrite_node): Input new flags.
2147         * passes.c (ipa_write_summaries): Do not call
2148         lto_new_extern_inline_states.
2149         * lto-section-out.c (forced_extern_inline,
2150         lto_new_extern_inline_states lto_delete_extern_inline_states,
2151         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2152         * lto-streamer.h (lto_new_extern_inline_states,
2153         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2154         lto_forced_extern_inline_p): Kill.
2155
2156 2010-04-20  Richard Guenther  <rguenther@suse.de>
2157
2158         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2159         from vars that can have pointers.
2160         (process_constraint): Dump useless constraints.
2161
2162 2010-04-20  Richard Guenther  <rguenther@suse.de>
2163
2164         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2165         (dump_sa_points_to_info): Remove asserts.
2166         (init_base_vars): nothing_id isn't an escape point nor does it
2167         have pointers.
2168
2169 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2170
2171         * tree.h (TYPE_REF_IS_RVALUE): Define.
2172         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2173         should_move_die_to_comdat, prune_unused_types_walk): Handle
2174         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2175         (modified_type_die, gen_reference_type_die): Emit
2176         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2177         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2178
2179 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2180
2181         PR target/43635
2182         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2183         calls for -fpic -m31 if they have been sibcall optimized.
2184
2185 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2186
2187         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2188         ar.lc fixed and call-used.
2189
2190         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2191
2192 2010-04-19  Jan Hubicka  <jh@suse.cz>
2193
2194         * opts.c (decode_options): Disable whpr incompatible passes.
2195         * lto/lto.c (lto_1_to_1_map): Skip clones.
2196         (read_cgraph_and_symbols): Do not mark everything as needed.
2197         (do_whole_program_analysis): Do map only after optimizing;
2198         set proper cgraph_state; use passmanager.
2199
2200 2010-04-19  DJ Delorie  <dj@redhat.com>
2201
2202         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2203         POINTER_PLUS_EXPR and fix them.
2204
2205 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2206
2207         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2208         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2209         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2210         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2211         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2212         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2213         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2214         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2215         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2216         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2217         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2218
2219 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2220
2221         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2222         (check_cond_move_block): Likewise.
2223         (cond_move_process_if_block): Likewise.
2224         (noce_find_if_block): Improve formatting.
2225         (find_if_header): Pass 0 to memset and tweak conditions.
2226         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2227
2228 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2229
2230         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2231         for -gdwarf-4.
2232
2233         PR middle-end/43337
2234         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2235         with non-local decl doesn't need chain.
2236
2237 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2238
2239         * ira-color.c (allocno_reload_assign): Avoid accumulating
2240         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2241
2242 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2243
2244         * gimple.h (create_tmp_reg): Declare.
2245         * gimplify.c (create_tmp_reg): New function.
2246         (gimplify_return_expr): Use create_tmp_reg.
2247         (gimplify_omp_atomic): Likewise.
2248         (gimple_regimplify_operands): Likewise.
2249         * tree-dfa.c (make_rename_temp): Likewise.
2250         * tree-predcom.c (predcom_tmp_var): Likewise.
2251         (reassociate_to_the_same_stmt): Likewise.
2252         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2253         (get_replaced_param_substitute): Likewise.
2254         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2255         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2256         * tree-ssa-pre.c (get_representative_for): Likewise.
2257         (create_expression_by_pieces): Likewise.
2258         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2259         (create_tailcall_accumulator): Likewise.
2260
2261 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2262
2263         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2264         new_stmt.
2265         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2266
2267 2010-04-19  Richard Guenther  <rguenther@suse.de>
2268
2269         PR tree-optimization/43796
2270         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2271         from SCEV in the lattice.
2272         (vrp_visit_phi_node): Dump change.
2273
2274 2010-04-19  Richard Guenther  <rguenther@suse.de>
2275
2276         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2277         * configure: Re-generated.
2278
2279 2010-04-19  Richard Guenther  <rguenther@suse.de>
2280
2281         PR tree-optimization/43783
2282         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2283         constant ARRAY_REF operands two and three if possible.
2284
2285 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2286
2287         PR target/43766
2288         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2289
2290 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2291
2292         PR target/43662
2293         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2294
2295 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2296
2297         PR tree-optimization/37027
2298         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2299         and macro to access it.
2300         (vectorizable_reduction): Add argument.
2301         (vect_get_slp_defs): Likewise.
2302         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2303         statements for possible use in SLP.
2304         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2305         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2306         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2307         add new argument.
2308         (vectorizable_reduction): Likewise.
2309         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2310         vect_get_slp_defs.
2311         (vectorizable_type_demotion, vectorizable_type_promotion,
2312         vectorizable_store): Likewise.
2313         (vect_analyze_stmt): Update call to vectorizable_reduction.
2314         (vect_transform_stmt): Likewise.
2315         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2316         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2317         from different interleaving chains in same node.
2318         (vect_slp_rearrange_stmts): New function.
2319         (vect_supported_load_permutation_p): Allow load permutations for
2320         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2321         inside SLP nodes if necessary.
2322         (vect_analyze_slp_instance): Handle reductions.
2323         (vect_analyze_slp): Try to build SLP instances originating from groups
2324         of reductions.
2325         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2326         (vect_get_constant_vectors): Create initial vectors for reductions
2327         according to reduction code. Add new argument.
2328         (vect_get_slp_defs): Add new argument, pass it to
2329         vect_get_constant_vectors.
2330         (vect_schedule_slp_instance): Remove SLP tree root statements.
2331
2332 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2333
2334         * tree.h (ENUM_IS_SCOPED): Define.
2335         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2336         for ENUM_IS_SCOPED enums.
2337
2338 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2339
2340         * fold-const.c (fold_comparison): Use ssizetype.
2341         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2342         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2343         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2344         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2345
2346         * tree.h (initialize_sizetypes): Remove parameter.
2347         (build_common_tree_nodes): Remove second parameter.
2348         * stor-layout.c (initialize_sizetypes): Remove parameter.
2349         Always create an unsigned type.
2350         (set_sizetype): Assert that the passed type is unsigned and simplify.
2351         * tree.c (build_common_tree_nodes): Remove second parameter.
2352         Adjust call to initialize_sizetypes.
2353         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2354         build_common_tree_nodes.
2355
2356 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2357
2358         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2359
2360 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2361
2362         PR tree-optimization/43771
2363         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2364         load permutation doesn't have gaps.
2365
2366 2010-04-18  Jan Hubicka  <jh@suse.cz>
2367
2368         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2369         (sse_prologue_save_insn expander): Use new pattern.
2370         (sse_prologue_save_insn1): New pattern and splitter.
2371         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2372         blocks.
2373         * i386.c (setup_incoming_varargs_64): Do not compute jump
2374         destination here.
2375         (ix86_gimplify_va_arg): Update alignment needed.
2376         (ix86_local_alignment): Do not align all local arrays to 128bit.
2377
2378 2010-04-17  Jan Hubicka  <jh@suse.cz>
2379
2380         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2381
2382 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2383
2384         * arm.md (negdi2): Remove redundant code to force values into a
2385         register.
2386
2387 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2388
2389         * arm/bpabi.S: Add EABI alignment attributes to objects.
2390         * arm/bpabi-v6m.S: Likewise.
2391         * arm/crti.asm: Likewise.
2392         * arm/crtn.asm: Likewise.
2393         * arm/lib1funcs.asm: Likewise.
2394         * arm/libunwind.S: Likewise.
2395
2396 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2397
2398         * arm-protos.h (tune_params): New structure.
2399         * arm.c (current_tune): New variable.
2400         (arm_constant_limit): Delete.
2401         (struct processors): Add pointer to the tune parameters.
2402         (arm_slowmul_tune): New tuning option.
2403         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2404         (all_cores): Adjust to pick up the tuning model.
2405         (arm_constant_limit): New function.
2406         (arm_override_options): Select the appropriate tuning model.  Delete
2407         initialization of arm_const_limit.
2408         (arm_split_constant): Use the new constant-limit model.
2409         (arm_rtx_costs): Pick up the current tuning model.
2410         * arm.md (is_strongarm, is_xscale): Delete.
2411         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2412         for Xscale variant architectures.
2413         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2414
2415 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2416
2417         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2418         can_shift.
2419         (arm_rtx_costs_1): Remove unused variable extra_cost.
2420         (arm_unwind_emit_set): Use variable offset.
2421         (thumb1_output_casesi): Remove unused variable flags.
2422
2423 2010-04-16  Jeff Law  <law@redhat.com>
2424
2425         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2426         needing assignment rather than doing a two-phase assignment.  Remove
2427         unused variable 'm'.
2428
2429 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2430
2431         PR bootstrap/43767
2432         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2433
2434 2010-04-16  Doug Kwan  <dougkwan@google.com>
2435
2436         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2437         (next_operand_entry_id): New static variable.
2438         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2439         (add_to_ops_vec): Assigned unique ID to operand entry.
2440         (struct oecount_s): New field ID.
2441         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2442         (undistribute_ops_list): Assign unique IDs to oecounts.
2443         (init_reassoc): reset next_operand_entry_id.
2444
2445 2010-04-16  Doug Kwan  <dougkwan@google.com>
2446
2447         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2448         missing left parenthesis.
2449
2450 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2451
2452         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2453         *btdi_rex64 using SWI48 mode iterator.
2454         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2455         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2456         *jcc_btdi_mask_rex64.
2457
2458 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2459
2460         * double-int.h (tree_to_double_int): Convert to macro.
2461         * double-int.c (tree_to_double_int): Remove.
2462
2463 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2464
2465         PR debug/43762
2466         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2467         with want_address 2 and in case a single element list might be
2468         possible, call it again with want_address 0.
2469
2470 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2471
2472         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2473         case 'W' print operands for HI mode.
2474         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2475         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2476         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2477         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2478
2479         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2480
2481         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2482         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2483         #xx:3 and #xx:4 mode.
2484
2485         * config/h8300/h8300.md (inverted load with HImode dest): Add
2486         support for H8300SX.
2487
2488         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2489         satisfy 'U' constraint.
2490
2491 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2492
2493         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2494         * configure: Regenerate.
2495         * config.in: Regenerate.
2496         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2497         works.
2498
2499 2010-04-16  Richard Guenther  <rguenther@suse.de>
2500
2501         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2502         (struct tree_decl_common): ... here.
2503         (DECL_PT_UID): Adjust.
2504         (SET_DECL_PT_UID): Likewise.
2505         (DECL_PT_UID_SET_P): Likewise.
2506
2507 2010-04-16  Richard Guenther  <rguenther@suse.de>
2508
2509         PR tree-optimization/43572
2510         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2511         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2512         * tree-flow.h (is_call_clobbered): Remove.
2513         * tree-flow-inline.h (is_call_clobbered): Likewise.
2514         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2515         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2516         (execute_return_slot_opt): Adjust.
2517         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2518         check for call clobbered vars here.
2519         (find_tail_calls): Move tailcall verification to the
2520         proper place.
2521
2522 2010-04-16  Diego Novillo  <dnovillo@google.com>
2523
2524         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2525
2526 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2527
2528         PR target/40603
2529         * config/arm/arm.md (cbranchqi4): New pattern.
2530         * config/arm/predicates.md (const0_operand,
2531         cbranchqi4_comparison_operator): New predicates.
2532
2533 2010-04-16  Richard Guenther  <rguenther@suse.de>
2534
2535         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2536         (dump_gimple_stmt): Likewise.
2537
2538 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2539
2540         * recog.h (struct recog_data): New field is_operator.
2541         (struct insn_operand_data): New field is_operator.
2542         * recog.c (extract_insn): Set recog_data.is_operator.
2543         * genoutput.c (output_operand_data): Emit code to set the
2544         is_operator field.
2545         * reload.c (find_reloads): Use it rather than testing for an
2546         empty constraint string.
2547
2548         PR target/41514
2549         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2550         If the previous insn is a cbranchsi4_insn with the same arguments,
2551         omit the compare instruction.
2552
2553         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2554         register, inputs must be low registers and we need a low register
2555         scratch.  Handle alternative 2 like alternative 3.
2556
2557 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2558
2559         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2560         don't call get_addr on both.  If one expression is a VALUE and
2561         the other a REG, check VALUE's locs if the REG isn't among them.
2562
2563 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2564
2565         * config/sh/sh.h (sh_frame_pointer_required): New function.
2566         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2567         (flag_omit_frame_pointer) Set.
2568         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2569         (rounded_frame_size): Adjust size with outgoing_args_size.
2570         (sh_set_return_address): Must return from stack pointer.
2571         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2572         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2573         (ACCUMULATE_OUTGOING_ARGS): Define.
2574         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2575         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2576
2577 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2578
2579         PR target/43471
2580         * config/sh/sh.c (sh_legitimize_reload_address): Use
2581         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2582         Remove a unneeded check for offset_base.
2583
2584 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2585
2586         * configure: Regenerated.
2587
2588 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2589
2590         * config/s390/s390.c (s390_call_save_register_used): Switch back
2591         to HARD_REGNO_NREGS.
2592
2593 2010-04-15  Richard Guenther  <rguenther@suse.de>
2594
2595         * alias.c (alias_set_subset_of): Handle alias-set zero
2596         child properly.
2597
2598 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2599             Julian Brown  <julian@codesourcery.com>
2600
2601         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2602         alternatives according to use of high and low regs.
2603         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2604         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2605         optimizing for size on Thumb-2.
2606
2607 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2608
2609         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2610
2611 2010-04-15  Richard Guenther  <rguenther@suse.de>
2612
2613         * tree-ssa-structalias.c (struct variable_info): Add
2614         is_fn_info flag.
2615         (new_var_info): Initialize it.
2616         (dump_constraints): Support printing last added constraints.
2617         (debug_constraints): Adjust.
2618         (dump_constraint_graph): Likewise.
2619         (make_heapvar_for): Check for NULL cfun.
2620         (get_function_part_constraint): New function.
2621         (get_fi_for_callee): Likewise.
2622         (find_func_aliases): Properly implement IPA PTA constraints.
2623         (process_ipa_clobber): New function.
2624         (find_func_clobbers): Likewise.
2625         (insert_into_field_list_sorted): Remove.
2626         (create_function_info_for): Properly allocate vars for IPA mode.
2627         Do not use insert_into_field_list_sorted.
2628         (create_variable_info_for): Properly generate constraints for
2629         global vars in IPA mode.
2630         (dump_solution_for_var): Always dump the solution.
2631         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2632         (find_what_var_points_to): Adjust.
2633         (pt_solution_set): Change.
2634         (pt_solution_ior_into): New function.
2635         (pt_solution_empty_p): Export.
2636         (pt_solution_includes_global): Adjust.
2637         (pt_solution_includes_1): Likewise.
2638         (pt_solutions_intersect_1): Likewise.
2639         (dump_sa_points_to_info): Check some invariants.
2640         (solve_constraints): Move constraint dumping ...
2641         (compute_points_to_sets): ... here.
2642         (ipa_pta_execute): ... and here.
2643         (compute_may_aliases): Do not re-compute points-to info
2644         locally if IPA info is available.
2645         (ipa_escaped_pt): New global var.
2646         (ipa_pta_execute): Properly implement IPA PTA.
2647         * tree-into-ssa.c (dump_decl_set): Support dumping
2648         decls not in referenced-vars.
2649         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2650         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2651         (dump_points_to_solution): Likewise.
2652         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2653         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2654         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2655         (copy_decl_to_var): Copy DECL_PT_UID.
2656         (copy_result_decl_to_var): Likewise.
2657         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2658         (copy_node_stat): Copy it.
2659         * tree.h (DECL_PT_UID): New macro.
2660         (SET_DECL_PT_UID): Likewise.
2661         (DECL_PT_UID_SET_P): Likewise.
2662         (struct tree_decl_minimal): Add pt_uid member.
2663         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2664         (pt_solution_empty_p): Declare.
2665         (pt_solution_set): Adjust.
2666         (ipa_escaped_pt): Declare.
2667         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2668         * gimple-pretty-print.c (pp_points_to_solution): New function.
2669         (dump_gimple_call): Dump call clobber/use information.
2670         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2671         * tree-pass.h (TDF_ALIAS): New dump option.
2672         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2673         * doc/invoke.texi (-fipa-pta): Update documentation.
2674
2675 2010-04-15  Richard Guenther  <rguenther@suse.de>
2676
2677         * Makefile.in (OBJS-common): Add gimple-fold.o.
2678         (gimple-fold.o): New rule.
2679         * tree.h (maybe_fold_offset_to_reference,
2680         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2681         prototypes ...
2682         * gimple.h: ... here.
2683         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2684         may_propagate_address_into_dereference): Move prototypes ...
2685         * gimple.h: ... here.
2686         * tree-ssa-ccp.c (get_symbol_constant_value,
2687         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2688         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2689         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2690         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2691         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2692         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2693         gimplify_and_update_call_from_tree): Move ...
2694         * gimple-fold.c: ... here.  New file.
2695         (ccp_fold_builtin): Rename to ...
2696         (gimple_fold_builtin): ... this.
2697         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2698
2699 2010-04-15  Richard Guenther  <rguenther@suse.de>
2700
2701         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2702         fit_double_type, force_fit_type_double, add_double_with_sign,
2703         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2704         lrotate_double, rrotate_double, div_and_round_double): Move ...
2705         * double-int.c: ... here.
2706         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2707         add_double, neg_double, mul_double_with_sign, mul_double,
2708         lshift_double, rshift_double, lrotate_double, rrotate_double,
2709         div_and_round_double): Move prototypes ...
2710         * double-int.h: ... here.
2711
2712 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2713
2714         PR target/43742
2715         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2716         matching constraints to ensure inputs match the output.
2717
2718 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2719
2720         PR target/43742
2721         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2722         in an input-only operand.
2723
2724 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2725
2726         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2727         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2728         (double_int_negative_p): Convert to static inline function.
2729         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2730         (double_int_negative_p): Remove.
2731         * tree.h (lshift_double, rshift_double):
2732         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2733         * fold-const.c (fold_convert_const_int_from_real,
2734         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2735         (lshift_double): Change type of arith argument to bool.
2736         (rshift_double): Change type of arith argument to bool. Correct
2737         comment.
2738         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2739
2740 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2741
2742         PR target/21803
2743         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2744         at the start and end of the then/else blocks, and omit them from the
2745         conversion.
2746         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2747         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2748         (flow_find_head_matching_sequence): New function.
2749         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2750         * basic-block.h (flow_find_cross_jump,
2751         flow_find_head_matching_sequence): Declare functions.
2752
2753 2010-04-14  Jason Merrill  <jason@redhat.com>
2754
2755         PR c++/36625
2756         * c-common.c (attribute_takes_identifier_p): New fn.
2757         * c-common.h: Declare it.
2758
2759 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2760
2761         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2762         splitter condition.
2763         (*udivmod<mode>4): Ditto.
2764
2765 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2766
2767         * config/i386/i386.md (maxmin_int): Rename code attribute from
2768         maxminiprefix and update all users.
2769         (maxmin_float): Ditto from maxminfprefix.
2770         (logic): Ditto from logicprefix.
2771         (absneg_mnemonic): Ditto from absnegprefix.
2772         * config/i386/mmx.md: Update all users of maxminiprefix,
2773         maxminfprefix and logicprefix for rename.
2774         * config/i386/sse.md: Ditto.
2775         * config/i386/sync.md (sync_<code><mode>): Update for
2776         logicprefix rename.
2777
2778 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2779
2780         PR 42966
2781         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2782         warnings converted to errors.
2783
2784 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2785
2786         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2787         used insn_type variable.
2788         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2789         to avoid set-but-not-used warning.
2790
2791 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2792
2793         * df-core.c (df_ref_debug): Change format string placeholder
2794         from 0x%x to %#x.
2795         * dwarf2asm.c (dw2_asm_output_data_raw,
2796         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2797         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2798         * dwarf2out.c (output_cfi, output_cfi_directive,
2799         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2800         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2801         Ditto.
2802         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2803         * print-rtl.c (print_rtx): Ditto.
2804
2805 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2806
2807         PR middle-end/42694
2808         * builtins.c (expand_builtin_pow_root): New function to expand pow
2809         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2810         series of sqrt and cbrt calls under -ffast-math.
2811         (expand_builtin_pow): Call it.
2812
2813 2010-04-14  Michael Matz  <matz@suse.de>
2814
2815         PR tree-optimization/42963
2816         * tree-cfg.c (touched_switch_bbs): New static variable.
2817         (group_case_labels_stmt): New function broken out from ...
2818         (group_case_labels): ... here, use the above.
2819         (start_recording_case_labels): Allocate touched_switch_bbs.
2820         (end_recording_case_labels): Deallocate it, call
2821         group_case_labels_stmt.
2822         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2823
2824 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2825
2826         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2827         from insn template.
2828
2829 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2830
2831         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2832
2833 2010-04-13  Jan Hubicka  <jh@suse.cz>
2834
2835         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2836         of optimized out static functions.
2837         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2838         cost computation.  Also sanity check for overflows.
2839         (update_caller_keys): Update cgraph_edge_badness call; properly
2840         update fibheap and sanity check that it is up to date.
2841         (add_new_edges_to_heap): Update cgraph_edge_badness.
2842         (cgraph_decide_inlining_of_small_function): Likewise;
2843         add sanity checking that badness in heap is up to date;
2844         improve dumping of reason; Update badness of calls to the
2845         offline copy of function currently inlined; dump badness
2846         of functions not inlined because of unit growth limits.
2847
2848 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2849
2850         PR middle-end/32628
2851         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2852         because of sign-extension change when converting to sizetype here...
2853         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2854
2855         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2856         the folding to constants.  Remove redundant final conversion.
2857         (fold_binary) <associate>: Do not associate if the re-association of
2858         constants alone overflows.
2859         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2860         to the end of the list.
2861         (multiple_of_p) <COND_EXPR>: New case.
2862
2863 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2864
2865         * opt-functions.awk (opt_sanitized_name): New.
2866         (opt_enum): New.
2867         * optc-gen.awk: Use it
2868         * opth-gen.awk: Use it.
2869
2870 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2871
2872         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2873         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2874         children.  Call replace_uses_with_default_def_ssa_name to handle
2875         SSA_NAES on lhs.
2876
2877 2010-04-13  Michael Matz  <matz@suse.de>
2878
2879         PR middle-end/43730
2880         * builtins.c (expand_builtin_interclass_mathfn): Also create
2881         a register if the predicate doesn't match.
2882
2883 2010-04-13  Diego Novillo  <dnovillo@google.com>
2884
2885         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2886         * c-pch.c: Include timevar.h.
2887         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2888         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2889         * ggc-common.c: Include timevar.h.
2890         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2891         * timevar.def (TV_PCH_SAVE): Define.
2892         (TV_PCH_CPP_SAVE): Define.
2893         (TV_PCH_PTR_REALLOC): Define.
2894         (TV_PCH_PTR_SORT): Define.
2895         (TV_PCH_RESTORE): Define.
2896         (TV_PCH_CPP_RESTORE): Define.
2897
2898 2010-04-13  Michael Matz  <matz@suse.de>
2899
2900         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2901         into MINUS_EXPRs.
2902         (can_reassociate_p): New function.
2903         (break_up_subtract_bb, reassociate_bb): Use it.
2904
2905 2010-04-13  Richard Guenther  <rguenther@suse.de>
2906
2907         PR bootstrap/43737
2908         * builtins.c (c_readstr): Fix assert.
2909
2910 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2911
2912         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2913         when generating cltd insn.
2914
2915         (*ashl<mode>3_1): Remove special handling for register operand 2.
2916         (*ashlsi3_1_zext): Ditto.
2917         (*ashlhi3_1): Ditto.
2918         (*ashlhi3_1_lea): Ditto.
2919         (*ashlqi3_1): Ditto.
2920         (*ashlqi3_1_lea): Ditto.
2921         (*<shiftrt_insn><mode>3_1): Ditto.
2922         (*<shiftrt_insn>si3_1_zext): Ditto.
2923         (*<shiftrt_insn>qi3_1_slp): Ditto.
2924         (*<rotate_insn><mode>3_1): Ditto.
2925         (*<rotate_insn>si3_1_zext): Ditto.
2926         (*<rotate_insn>qi3_1_slp): Ditto.
2927
2928 2010-04-13  Richard Guenther  <rguenther@suse.de>
2929
2930         * tree-ssa-structalias.c (callused_id): Remove.
2931         (call_stmt_vars): New.
2932         (get_call_vi): Likewise.
2933         (lookup_call_use_vi): Likewise.
2934         (lookup_call_clobber_vi): Likewise.
2935         (get_call_use_vi): Likewise.
2936         (get_call_clobber_vi): Likewise.
2937         (make_transitive_closure_constraints): Likewise.
2938         (handle_const_call): Adjust to do per-call call-used handling.
2939         (handle_pure_call): Likewise.
2940         (find_what_var_points_to): Remove general callused handling.
2941         (init_base_vars): Likewise.
2942         (init_alias_vars): Initialize call_stmt_vars.
2943         (compute_points_to_sets): Process call-used and call-clobbered
2944         vars for call statements.
2945         (delete_points_to_sets): Free call_stmt_vars.
2946
2947 2010-04-13  Richard Guenther  <rguenther@suse.de>
2948
2949         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2950         Only add RW dependence for dependence distance zero.
2951         Adjust maximal vectorization factor according to dependences.
2952         Move alignment handling ...
2953         (vect_find_same_alignment_drs): ... here.  New function.
2954         (vect_analyze_data_ref_dependences): Adjust.
2955         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2956         (vect_analyze_data_refs): Adjust minimal vectorization factor
2957         according to data references.
2958         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2959         dependences before determining the vectorization factor.
2960         Analyze alignment after determining the vectorization factor.
2961         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2962         dependences before alignment.
2963         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2964         Adjust prototype.
2965         (vect_analyze_data_refs): Likewise.
2966         (MAX_VECTORIZATION_FACTOR): New define.
2967
2968 2010-04-13  Duncan Sands  <baldrick@free.fr>
2969
2970         * except.h (lang_eh_type_covers): Remove.
2971         * except.c (lang_eh_type_covers): Likewise.
2972
2973 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2974             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2975
2976         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2977         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2978         UNITS_PER_LONG where it is ABI relevant.
2979         (s390_return_addr_rtx): Likewise.
2980         (s390_back_chain_rtx): Likewise.
2981         (s390_frame_area): Likewise.
2982         (s390_frame_info): Likewise.
2983         (s390_initial_elimination_offset): Likewise.
2984         (save_gprs): Likewise.
2985         (s390_emit_prologue): Likewise.
2986         (s390_emit_epilogue): Likewise.
2987         (s390_function_arg_advance): Likewise.
2988         (s390_function_arg): Likewise.
2989         (s390_va_start): Likewise.
2990         (s390_gimplify_va_arg): Likewise.
2991         (s390_function_profiler): Likewise.
2992         (s390_optimize_prologue): Likewise.
2993         (s390_rtx_costs): Likewise.
2994         (s390_secondary_reload): Likewise.
2995         (s390_promote_function_mode): Likewise.
2996         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2997         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2998         registers available.
2999         (s390_unwind_word_mode): New function.
3000         (s390_function_value): Split 64 bit values into register pair if
3001         used as return value.
3002         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3003         function call parameters.  Handle parallels.
3004         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3005         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3006         (DWARF_CIE_DATA_ALIGNMENT): New macro.
3007         (s390_expand_setmem): Remove unused variable src_addr.
3008         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3009         deal with 64 bit registers.
3010         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3011         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3012         (UNITS_PER_LONG): New macro.
3013         * libjava/include/s390-signal.h: Define extended ucontext
3014         structure containing the upper halfs of the 64 bit registers.
3015
3016 2010-04-13  Simon Baldwin  <simonb@google.com>
3017
3018         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3019
3020 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3021
3022         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3023         rvalue on the RHS if the LHS is of a non-renamable type.
3024         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3025
3026 2010-04-13  Matthias Klose  <doko@ubuntu.com>
3027
3028         * gcc.c (cc1_options): Handle -iplugindir before processing
3029         the cc1 spec. Only add -iplugindir once.
3030         (cpp_unique_options): Add -iplugindir option if -fplugin* options
3031         found.
3032         * common.opt (iplugindir): Remove `Separate' property, initialize.
3033         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3034         option.
3035         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3036         (distclean): Remove plugin dir.
3037         * doc/invoke.texi: Document -iplugindir.
3038
3039 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3040
3041         * doc/plugins.texi (Loading Plugins): Document short
3042         -fplugin=foo option.
3043         (Plugin API): Mention default_plugin_dir_name function.
3044
3045         * gcc.c (find_file_spec_function): Add new declaration.
3046         (static_spec_func): Use it for "find-file".
3047         (find_file_spec_function): Add new function.
3048         (cc1_options): Add -iplugindir option if -fplugin* options found.
3049
3050         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3051
3052         * plugin.c (add_new_plugin): Updated comment, and handle short
3053         plugin name.
3054         (default_plugin_dir_name): Added new function.
3055
3056         * common.opt (iplugindir): New option to set the plugin directory.
3057
3058 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3059
3060         * config/i386/i386.md (any_rotate): New code iterator.
3061         (rotate_insn): New code attribute.
3062         (rotate): Ditto.
3063         (SWIM124): New mode iterator.
3064         (<rotate_insn>ti3): New expander.
3065         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3066         any_rotate code iterator.
3067         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3068         using any_rotate code iterator and SWIM124 mode iterator.
3069         (ix86_rotlti3): New insn_and_split pattern.
3070         (ix86_rotrti3): Ditto.
3071         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3072         ix86_rotl{di,ti}3 patterns.
3073         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3074         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3075         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3076         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3077         code iterator and SWI mode iterator.
3078         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3079         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3080         code iterator.
3081         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3082         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3083         (bswap rotatert splitter): Add splitter.
3084         (bswap splitter): Macroize splitter using any_rotate code iterator.
3085         Add insn predicate to split only for TARGET_USE_XCHGB or when
3086         optimizing function for size.
3087
3088 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3089
3090         * config/pa/pa.c (emit_move_sequence): Remove use of
3091         deleted variable flag_argument_noalias.
3092
3093 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3094
3095         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3096         configurations.
3097         Add to unsupported targets list.
3098         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3099         sparc*-sun-solaris2.[567]* from target lists.
3100         * configure: Regenerate.
3101         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3102         removal.
3103         Remove Solaris 7 patch references.
3104         (Specific, sparc-sun-solaris2.7): Removed.
3105         (sparc-sun-solaris2*): Update Solaris 7 example.
3106         (sparc64-*-solaris2*): Likewise.
3107
3108 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3109
3110         * config.build (alpha*-dec-osf4*): Remove.
3111         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3112         of obsolete configurations.
3113         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3114         support.
3115         * config/alpha/t-osf4: Renamed to ...
3116         * config/alpha/t-osf5: ... this.
3117         * config/alpha/osf.h: Renamed to ...
3118         * config/alpha/osf5.h: ... this.
3119         Merged old osf5.h contents.
3120         Update comments.
3121         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3122         (EXTRA_SPECS): Removed.
3123         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3124         reflect removal of Tru64 UNIX V4.0/V5.0 support.
3125         Document that.
3126
3127 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3128
3129         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3130
3131 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3132
3133         PR/43702
3134         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3135         __thiscall convention.
3136
3137 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3138
3139         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3140         orig_base.
3141         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3142
3143 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3144
3145         * function.c (assign_parms_initialize_all): Add unused attribute
3146         to fntype.
3147
3148 2010-04-12  Richard Guenther  <rguenther@suse.de>
3149
3150         * gsstruct.def (GSS_CALL): New.
3151         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3152         * gimple.h: Include tree-ssa-alias.h.
3153         (struct gimple_statement_call): New.
3154         (union gimple_statement_struct_d): Add gimple_call member.
3155         (gimple_call_reset_alias_info): Declare.
3156         (gimple_call_use_set): New function.
3157         (gimple_call_clobber_set): Likewise.
3158         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3159         * gimple.c (gimple_call_reset_alias_info): New function.
3160         (gimple_build_call_1): Call it.
3161         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3162         * tree-inline.c (remap_gimple_stmt): Likewise.
3163         (expand_call_inline): Remove callused handling.
3164         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3165         * tree-dfa.c (dump_variable): Likewise.
3166         * tree-parloops.c (parallelize_loops): Likewise.
3167         * tree-ssa.c (init_tree_ssa): Likewise.
3168         (delete_tree_ssa): Likewise.
3169         * tree-flow-inline.h (is_call_used): Remove.
3170         * tree-flow.h (struct gimple_df): Remove callused member.
3171         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3172         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3173         (ref_maybe_used_by_call_p_1): Simplify.
3174         (call_may_clobber_ref_p_1): Likewise.
3175         * tree-ssa-structalias.c (compute_points_to_sets): Set
3176         the call stmt used and clobbered sets.
3177         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3178         (find_tail_calls): Verify the tail call.
3179
3180 2010-04-12  Richard Guenther  <rguenther@suse.de>
3181
3182         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3183         single-iteration always-inline inlining.
3184         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3185         (cgraph_decide_inlining): Do not handle always-inline specially.
3186         (try_inline): Remove always-inline cycle detection special case.
3187         Do not recurse on always-inlines.
3188         (cgraph_early_inlining): Do not iterate if not optimizing.
3189         (cgraph_gate_early_inlining): remove.
3190         (pass_early_inline): Run unconditionally.
3191         (gate_cgraph_decide_inlining): New function.
3192         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
3193         not inlining or optimizing.
3194         (cgraph_decide_inlining_of_small_functions): Also consider
3195         always-inline functions.
3196         (cgraph_default_inline_p): Return true for nodes which should
3197         disregard inline limits.
3198         (estimate_function_body_sizes): Assume zero size and time for
3199         nodes which are marked as disregarding inline limits.
3200         (cgraph_decide_recursive_inlining): Do not perform recursive
3201         inlining on always-inline nodes.
3202
3203 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
3204
3205         PR bootstrap/43699
3206         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3207         for exprs satisfying handled_component_p.
3208
3209 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
3210
3211         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3212         non-constant aggregate elements.
3213
3214         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3215         is a real initialization.
3216
3217 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
3218
3219         PR c/36774
3220         * c-decl.c (start_function): Move forward check for nested function.
3221
3222 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3223
3224         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3225         * config/sh/sh.c: Include reload.h.
3226         (sh_legitimize_reload_address): New.
3227         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3228         sh_legitimize_reload_address.
3229
3230 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3231
3232         * config/sh/sh.md (*movqi_pop): New insn pattern.
3233         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3234
3235 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3236
3237         * config/i386/i386.md (any_shiftrt): New code iterator.
3238         (shiftrt_insn): New code attribute.
3239         (shiftrt): Ditto.
3240         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3241         using any_shiftrt code iterator.
3242         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3243         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3244         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3245         pattern from corresponding peephole2 patterns.
3246         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3247         using any_shiftrt code iterator.
3248         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3249         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3250         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3251         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3252         *{ashr,lshr}<mode>3_cmp_zext.
3253         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3254
3255 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3256
3257         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3258         scratch register.
3259         (*lshr<mode>3_cconly): Ditto.
3260
3261 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3262
3263         * config/i386/i386.md (lshr<mode>3): Macroize expander from
3264         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3265         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3266         pattern from *lshr{di,ti}3_1 and corresponding splitters using
3267         DWI mode iterator.
3268         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3269         from corresponding peephole2 patterns.
3270         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3271         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3272         and *lshrdi3_1_rex64 using SWI mode iterator.
3273         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3274         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3275         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3276         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3277         and *lshrdi3_cmp_rex64 using SWI mode iterator.
3278         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3279         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3280         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3281         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3282         SWI mode iterator.
3283
3284 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
3285
3286         * config/i386/i386.md (ashr<mode>3): Macroize expander from
3287         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3288         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3289         pattern from *ashr{di,ti}3_1 and corresponding splitters using
3290         DWI mode iterator.
3291         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3292         from corresponding peephole2 patterns.
3293         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3294         (ashrsi3_cvt): Rename from ashrsi3_31.
3295         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3296         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3297         and x86_64_shift_adj_3 using SWI48 mode iterator.
3298         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3299         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3300         and *ashrdi3_1_rex64 using SWI mode iterator.
3301         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3302         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3303         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3304         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3305         and *ashrdi3_cmp_rex64 using SWI mode iterator.
3306         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3307         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3308         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3309         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3310         SWI mode iterator.
3311         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3312         * config/i386/i386.c (ix86_split_ashr): Update for renamed
3313         x86_shift<mode>_adj_3 expanders.
3314
3315 2010-04-10  Wei Guozhi  <carrot@google.com>
3316
3317         PR target/42601
3318         * config/arm/arm.c (arm_pic_static_addr): New function.
3319         (legitimize_pic_address): Call arm_pic_static_addr when it detects
3320         a static symbol.
3321         (arm_output_addr_const_extra): Output expression for new pattern.
3322         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3323
3324 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
3325
3326         * ira-costs.c (record_reg_classes): Ignore alternatives that are
3327         not enabled.
3328
3329         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3330         * web.c: Include "insn-config.h" and "recog.h".
3331         (union_match_dups): New function.
3332         (web_main): Call it.
3333         (union_defs): Don't try to recognize match_dups.
3334
3335         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3336         if doing so would replace the entire pattern.
3337
3338 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3339
3340         PR target/43707
3341         PR target/43709
3342         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3343         and splitter pattern.  Change splitter operand 1 predicate to
3344         nonmemory_operand.
3345
3346 2010-04-09  Martin Jambor  <mjambor@suse.cz>
3347
3348         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3349         lattices are addresses of CONST_DECLs with the same initial value.
3350         (ipcp_print_all_lattices): Print values of CONST_DECLs.
3351         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3352
3353 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
3354             Bernd Schmidt  <bernds@codesourcery.com>
3355
3356         * loop-invariant.c (replace_uses): New static function.
3357         (move_invariant_reg): Use it to ensure we can replace the uses.
3358
3359 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
3360
3361         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3362         function template.
3363         (picochip_override_options): Enable section anchors only above -O1.
3364         (picochip_reorg): Fixed a couple of build warnings.
3365
3366 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3367
3368         * configure.ac (plugin -rdynamic test): Log result.
3369         * configure: Regenerate.
3370         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3371         (RDYNAMIC_SPEC): Define.
3372         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3373
3374 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3375
3376         * configure.ac: Determine Sun ld version numbers.
3377         (comdat_group): Restrict GNU ld version checks to gld.
3378         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3379         (enable_comdat): Support --enable-comdat.
3380         * configure: Regenerate.
3381         * doc/install.texi (Configuration): Document --enable-comdat.
3382
3383 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3384
3385         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
3386         * config/sol2-gld.h: ... here.
3387         * config.gcc (sparc*-*-solaris2*): Reflect this.
3388         (i[34567]86-*-solaris2*): Use it.
3389
3390 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
3391
3392         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3393         setup_clocks_p.
3394         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3395
3396 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3397
3398         PR 42965
3399         * diagnostic.c (diagnostic_initialize): Initialize
3400         some_warnings_are_errors.
3401         (diagnostic_finish): New.
3402         (diagnostic_action_after_output): Call it before exiting.
3403         (diagnostic_report_diagnostic): Do not print message here. Set
3404         some_warnings_are_errors.
3405         * diagnostic.h (diagnostic_context): Delete
3406         issue_warnings_are_errors_message. Add some_warnings_are_errors.
3407         (diagnostic_finish): Declare.
3408         * toplev.c (toplev_main): Call it before exit.
3409
3410 2010-04-09  Jason Merrill  <jason@redhat.com>
3411
3412         PR c++/42623
3413         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3414         for incomplete type.
3415
3416         PR c++/41788
3417         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3418         based on a warning flag.
3419
3420 2010-04-09  Richard Guenther  <rguenther@suse.de>
3421
3422         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3423
3424 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
3425
3426         PR bootstrap/43684
3427         * varasm.c (default_assemble_visibility): Wrap vars that are
3428         set, but unused, b