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* configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2
3         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
4         to /dev/null.
5         * configure: Regenerate.
6
7 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8
9         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
10         unused.
11         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
12         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
13         support in Sun ld.
14         * configure: Regenerate.
15
16 2010-05-10  Richard Guenther  <rguenther@suse.de>
17
18         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
19         marked if the entry identifier is marked.
20
21 2010-05-10  Richard Guenther  <rguenther@suse.de>
22
23         * c-common.c (struct c_common_attributes): Add fnspec attribute.
24         (handle_fnspec_attribute): New function.
25         * gimple.h (gimple_call_return_flags): Declare.
26         (gimple_call_arg_flags): Likewise.
27         * gimple.c (gimple_call_arg_flags): New function.
28         (gimple_call_return_flags): Likewise.
29         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
30         New argument flags.
31         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
32         return value flags.
33         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
34         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
35         main work to ...
36         (make_heapvar_for): ... this new function.
37         (handle_rhs_call): Handle fnspec attribute argument specifiers.
38         (handle_lhs_call): Likewise.
39         (find_func_aliases): Adjust.
40
41 2010-05-10  Richard Guenther  <rguenther@suse.de>
42
43         PR tree-optimization/44050
44         * tree-inline.c (tree_function_versioning): Clone the ipa-pta
45         flag.
46
47 2010-05-10  Wei Guozhi  <carrot@google.com>
48
49         PR target/42879
50         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
51
52 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
53
54         PR c/10676
55         * c-typeck.c (lookup_field): Take a type directly.  Update
56         recursive calls.
57         (build_component_ref): Update call to lookup_field.
58         (set_init_label): Use lookup_field to find initialized field.
59         Handle returned list of fields like a sequence of designators.
60
61 2010-05-09  Richard Guenther  <rguenther@suse.de>
62
63         PR middle-end/44024
64         * fold-const.c (tree_single_nonzero_warnv_p): Properly
65         handle &FUNCTION_DECL.
66
67 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
68
69         PR c/4784
70         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
71         structures and unions recursively.
72         (detect_field_duplicates): Move duplicate detection with a hash to
73         detect_field_duplicates_hash.  Always use a hash if anonymous
74         structures or unions are present.
75         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
76         give errors.
77
78 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
79
80         PR target/44046
81         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
82         detect Atom, Core 2 and Core i7.
83
84 2010-05-09  Richard Guenther  <rguenther@suse.de>
85
86         * gcc.c (store_arg): Handle temporary file deletion for
87         joined arguments.
88
89 2010-05-09  Richard Guenther  <rguenther@suse.de>
90
91         PR middle-end/44043
92         * ipa-inline.c (estimate_function_body_sizes): Return after
93         disregarding inline limits.
94
95 2010-05-09  Richard Guenther  <rguenther@suse.de>
96
97         * gcc.c (store_arg): Revert last change.
98
99 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
100
101         PR middle-end/28685
102         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
103         (optimize_ops_list): Call it.
104
105 2010-05-08  Richard Guenther  <rguenther@suse.de>
106
107         PR tree-optimization/44030
108         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
109         NECESSARY flag if we propagate from a inserted expression.
110
111 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
112
113         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
114         domain types as equal if they are both PLACEHOLDER_EXPRs.
115
116 2010-05-08  Richard Guenther  <rguenther@suse.de>
117
118         * lto-wrapper.c (run_gcc): Remove linker output from
119         command line for LTRANS invocation.
120
121 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
122
123         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
124         lto-macho as lto_binary_reader.
125         * target.h (struct gcc_target): New hooks lto_start and lto_end.
126         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
127         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
128         in lto_start and lto_end calls.
129         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
130         magic numbers.
131         (scan_prog_file): Update is_elf_or_coff call.
132         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
133
134         * collect2.c (main): Fix enum comparison.
135
136         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
137         Add prototypes.
138         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
139         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
140         and TARGET_ASM_LTO_END.
141         * darwin.c: Include obstack.h and lto-streamer.h.
142         (lto_section_names_offset, lto_section_names_obstack,
143         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
144         global variables.
145         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
146         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
147         to a temporary file.
148         (darwin_asm_lto_end): New function.  Restore asm_out_file.
149         (darwin_asm_named_section): For LTO sections, replace the name with
150         the offset of the section name in a string table, and build this
151         table.
152         (darwin_file_start): Initialize global vars for LTO support.
153         (darwin_file_end): If output to asm_out_file was redirected, append it
154         to the proper asm_out_file here.  Add the section names section.
155
156 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
157
158         * c-pragma.c (pending_weak_d, pending_weak): New.
159         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
160         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
161         handle_pragma_weak): Update the uses of pending_weaks.
162
163 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
164
165         PR documentation/44016
166         * doc/standards.texi (Standards): Link to unversioned
167         cxx0x_status.html page.
168
169 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
170
171         PR target/43708
172         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
173         in addition to TREE_USED, to avoid "set but unused" warnings.
174
175 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
176
177         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
178         (is_loop_prefetching_profitable): Do not insert prefetches
179         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
180         times the prefetch ahead distance.
181
182 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
183
184         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
185         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
186         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
187         the unroll_factor.
188
189 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
190
191         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
192         a diagnostic info when the insn-to-mem ratio is too small.
193
194 2010-05-07  Richard Guenther <rguenther@suse.de>
195
196         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
197         the linker plugin.
198         (store_arg): Queue temp_filename for deletion instead of
199         the whole argument.
200
201 2010-05-07  Richard Guenther  <rguenther@suse.de>
202
203         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
204         (run_gcc): Handle LTRANS phase invocation.
205         * collect2.c (maybe_run_lto_and_relink): Do not set
206         WPA_SAVE_LTRANS.
207
208 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
209
210         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
211         this is also meaningful on PARM_DECLs and RESULT_DECLs.
212
213 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
214
215         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
216
217 2010-05-07  Richard Guenther  <rguenther@suse.de>
218
219         PR tree-optimization/44020
220         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
221         code when PRE is not yet initialized.
222
223 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
224
225         * config/mips/dbxmdebug.h: Remove.
226         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
227
228 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
229
230         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
231         with null pointer and also warn about ordered comparison of zero with
232         pointer if -Wextra.
233
234 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
235
236         * graphite-blocking.c
237         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
238         * graphite-clast-to-gimple.c
239         (clast_to_gcc_expression): Same.
240         (precision_for_value): Same.
241         (precision_for_interval): Same.
242         (gcc_type_for_interval): Same.
243         (graphite_create_new_guard): Same.
244         (compute_bounds_for_level): Same.
245         (graphite_create_new_loop_guard): Same.
246         * graphite-interchange.c
247         (build_linearized_memory_access): Same.
248         (pdr_stride_in_loop): Same.
249         (memory_strides_in_loop_1): Same.
250         (memory_strides_in_loop): Same.
251         (extend_scattering): Same.
252         (psct_scattering_dim_for_loop_depth): Same.
253         (pbb_number_of_iterations): Same.
254         * graphite-poly.h
255         (debug_iteration_domains): Same.
256         * graphite-ppl.c
257         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
258         (ppl_set_inhomogeneous_gmp): Same.
259         (ppl_strip_loop): Same.
260         (ppl_lexico_compare_linear_expressions): Same.
261         (ppl_read_polyhedron_matrix): Same.
262         (ppl_max_for_le_pointset): Same.
263         * graphite-ppl.h
264         (ppl_read_polyhedron_matrix): Same.
265         (tree_int_to_gmp): Same.
266         (gmp_cst_to_tree): Same.
267         (ppl_set_inhomogeneous): Same.
268         (ppl_set_inhomogeneous_tree): Same.
269         (ppl_set_coef): Same.
270         (ppl_set_coef_tree): Same.
271         * graphite-sese-to-poly.c
272         (build_pbb_scattering_polyhedrons): Same.
273         (build_scop_scattering): Same.
274         (scan_tree_for_params_right_scev): Same.
275         (scan_tree_for_params): Same.
276         (find_params_in_bb): Same.
277         (find_scop_parameters): Same.
278         (add_upper_bounds_from_estimated_nit): Same.
279         (build_loop_iteration_domains): Same.
280         (add_condition_to_domain): Same.
281         (pdr_add_memory_accesses): Same.
282
283 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
284
285         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
286         CLooG's value_* macros to their respective mpz_* counterparts.
287         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
288         (graphite_create_new_loop_guard): Same.
289         * graphite-interchange.c (build_linearized_memory_access): Same.
290         (pdr_stride_in_loop): Same.
291         (memory_strides_in_loop_1): Same.
292         (1st_interchange_profitable_p): Same.
293         * graphite-poly.c (extend_scattering): Same.
294         (psct_scattering_dim_for_loop_depth): Same.
295         (pbb_number_of_iterations): Same.
296         (pbb_number_of_iterations_at_time): Same.
297         * graphite-poly.h (new_1st_loop): Same.
298         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
299         (oppose_constraint): Same.
300         (insert_constraint_into_matrix): Same.
301         (ppl_set_inhomogeneous_gmp): Same.
302         (ppl_set_coef_gmp): Same.
303         (ppl_strip_loop): Same.
304         (ppl_lexico_compare_linear_expressions): Same.
305         (ppl_max_for_le_pointset): Same.
306         (ppl_min_for_le_pointset): Same.
307         (ppl_build_realtion): Same.
308         * graphite-ppl.h (gmp_cst_to_tree): Same.
309         (ppl_set_inhomogeneous): Same.
310         (ppl_set_inhomogeneous_tree): Same.
311         (ppl_set_coef): Same.
312         (ppl_set_coef_tree): Same.
313         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
314         (build_scop_scattering): Same.
315         (add_value_to_dim): Same.
316         (scan_tree_for_params_right_scev): Same.
317         (scan_tree_for_params_int): Same.
318         (scan_tree_for_params): Same.
319         (find_params_in_bb): Same.
320         (find_scop_parameters): Same.
321         (add_upper_bounds_from_estimated_nit): Same.
322         (build_loop_iteration_domains): Same.
323         (create_linear_expr_from_tree): Same.
324         (add_condition_to_domain): Same.
325         (pdr_add_memory_accesses): Same.
326
327 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
328             Jason Merrill  <jason@redhat.com>
329
330         * c-common.c (c_common_reswords): Add nullptr.
331         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
332         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
333         (gen_type_die_with_usage): Likewise.
334         * dbxout.c (dbxout_type): Likewise.
335         * sdbout.c (plain_type_1): Likewise.
336
337 2010-05-06  Jason Merrill  <jason@redhat.com>
338
339         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
340         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
341         ret appropriately.
342         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
343
344         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
345         stripping WITH_SIZE_EXPR.
346         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
347         change.
348
349 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
350
351         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
352         list of obsolete configurations.
353         Disabled check for obsolete configurations.
354         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
355         Removed support for previous versions.
356         * config/mips/iris.h: Removed.
357         * config/mips/iris5.h: Removed.
358         * config/mips/iris6.h: Merged old iris.h contents.
359         (TARGET_IRIX): Removed.
360         (DRIVER_SELF_SPECS): Removed mabi=32.
361         (IDENT_ASM_OP): Removed undef.
362         (STARTFILE_SPEC): Removed mabi=32.
363         (ENDFILE_SPEC): Likewise.
364         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
365         (MACHINE_TYPE): Update for IRIX 6.5.
366         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
367         TARGET_IRIX by TARGET_IRIX6.
368         (mips_file_start): Likewise.
369         (mips_output_external): Remove IRIX 5/6 O32 support.
370         (mips_output_function_prologue): Likewise.
371         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
372         TARGET_IRIX6.
373         (TARGET_CPU_CPP_BUILTINS): Likewise.
374         (TARGET_IRIX): Removed.
375         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
376         (MULTILIB_DIRNAMES): Removed 32.
377         (MULTILIB_OSDIRNAMES): Removed ../lib.
378         * doc/install.texi (Prerequisites): Don't reference IRIX before
379         6.5.
380         (Specific, mips-sgi-irix5): Document removal.
381         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI
382         removal.
383         Remove references to older IRIX 6 releases and the O32 ABI.
384
385 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
386
387         * gcc.dg/Wunused-var-8.c: Move to...
388         * c-c++-common/Wunused-var-6.c: ... here.  New test.
389
390         PR bootstrap/43994
391         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
392         instead of DF_REF_REAL_REG.
393
394 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
395
396         PR target/43888
397         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
398         handling to still return true for x64 targets.
399
400 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
401
402         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
403
404 2010-05-06  Jan Hubicka  <jh@suse.cz>
405
406         PR tree-optimization/43791
407         * ipa-inline.c (update_caller_keys): Remove bogus
408         disregard_inline_limits check.
409
410 2010-05-06  Michael Matz  <matz@suse.de>
411
412         PR tree-optimization/43984
413         * tree-ssa-pre.c (inserted_phi_names): Remove.
414         (inserted_exprs): Change to bitmap.
415         (create_expression_by_pieces): Set bits, don't append to vector.
416         (insert_into_preds_of_block): Don't handle inserted_phi_names.
417         (eliminate): Don't look at inserted_phi_names, remove deleted
418         insns from inserted_exprs.
419         (remove_dead_inserted_code): Adjust to use bitmaps instead of
420         vectors.
421         (init_pre, fini_pre): Allocate and free bitmaps.
422         (execute_pre): Insert insns on edges before elimination.
423
424 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
425
426         * tree.c (initializer_zerop): Handle STRING_CST.
427
428 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
429
430         PR 40989
431         * doc/invoke.texi (Wimplicit): Document as C only.
432         * opts.c (common_handle_option): Add argument kind.
433         (handle_option): Rename as read_cmdline_option. Factor out code to...
434         (handle_option): ... here. New.
435         (handle_options): Rename as read_cmdline_options.
436         (decode_options): Update call.
437         (set_option): Use option index instead of option pointer. Classify
438         diagnostics correctly.
439         (enable_warning_as_error): Call handle_option.
440         * opts.h (set_option): Update declaration.
441         (handle_option): Declare.
442         * langhooks.h (struct lang_hooks): Add argument kind to
443         handle_option.
444         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
445         * c-opts.c (set_Wimplicit): Delete.
446         (c_family_lang_mask): New static constant.
447         (c_common_handle_option): Add argument kind. Use handle_option
448         instead of set_Wimplicit.
449         (c_common_post_options): warn_implicit and warn_implicit_int
450         are disabled by default.
451         * c-common.c (warn_implicit): Do not define here.
452         * c-common.h (warn_implicit): Do not declare here.
453         (c_common_handle_option): Update declaration.
454         * lto-opts.c (lto_reissue_options): Update call to set_option.
455
456 2010-05-06  Richard Guenther  <rguenther@suse.de>
457
458         PR tree-optimization/43571
459         * domwalk.c (walk_dominator_tree): Walk the dominator
460         sons in more optimal order.
461
462 2010-05-06  Richard Guenther  <rguenther@suse.de>
463
464         PR tree-optimization/43934
465         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
466         (stmt_cost): Likewise.
467         (extract_true_false_args_from_phi): New helper.
468         (determine_max_movement): For PHI nodes verify we can hoist them
469         and compute their cost.
470         (determine_invariantness_stmt): Handle PHI nodes.
471         (move_computations_stmt): Likewise.  Hoist PHI nodes in
472         if-converted form using COND_EXPRs.
473         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI
474         nodes.
475         (tree_ssa_lim): Likewise.
476         * tree-flow.h (tree_ssa_lim): Adjust prototype.
477         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
478
479 2010-05-06  Richard Guenther  <rguenther@suse.de>
480
481         PR tree-optimization/43987
482         * tree-ssa-structalias.c (could_have_pointers): For possibly
483         address-taken variables force pointers to be recorded.
484         (create_variable_info_for_1): Likewise.
485         (push_fields_onto_fieldstack): Pass in wheter all fields
486         must have pointers.
487         (find_func_aliases): Query types instead of vars whether
488         they contain pointers where appropriate.
489
490 2010-05-06  Jan Hubicka  <jh@suse.cz>
491
492         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
493         (record_reference, mark_address, mark_load, mark_store): Record
494         references.
495         (record_references_in_initializer): Update call of record_references.
496         (rebuild_cgraph_edges): Remove all references before rebuiding.
497         * cgraph.c (cgraph_create_node): Clear ref list.
498         (cgraph_remove_node): Remove references.
499         (dump_cgraph_node): Dump references.
500         (cgraph_clone_node): Clone references.
501         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
502         (struct cgraph_node, varpool_node): Add ref_lst.
503         * ipa-ref.c: New file.
504         * ipa-ref.h: New file.
505         * ipa-ref-inline.h: New file.
506         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
507         (referenced_from_other_partition_p): New function.
508         (lto_output_varpool_node): Take set arugment; call
509         referenced_from_other_partition.
510         (lto_output_ref): New.
511         (add_references): New.
512         (output_refs): New.
513         (output_cgraph): Compute boundary based on references;
514         output refs.
515         (output_varpool): Accept cgraph_node_set argument.
516         (input_ref): New.
517         (input_refs): New.
518         (input_cgraph): Call input_refs.
519         * lto-section-in.c (lto_section_name): Add refs.
520         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
521         (ipa-ref.o): New file.
522         * varpool.c (varpool_node): Clear ipa ref list.
523         (varpool_remove_node): Remove references.
524         (dump_varpool_node): Dump references.
525         (varpool_assemble_decl): Only compile finalized ones.
526         (varpool_extra_name_alias): Initialize ref list.
527         * lto-streamer.c (lto-get_section_name): Add .refs section.
528         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
529         (referenced_from_other_partition_p): Declared.
530
531 2010-05-06  Ira Rosen  <irar@il.ibm.com>
532
533         PR tree-optimization/43901
534         * tree-vect-stmts.c (vectorizable_call): Assert that vector
535         type is not NULL if it's transformation phase, and return
536         FALSE if it's analysis.
537         (vectorizable_conversion, vectorizable_operation, 
538         vectorizable_type_demotion, vectorizable_type_promotion):
539         Likewise.
540
541 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
542
543         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
544         Delete.
545         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
546         New define.
547         * config/mips/mips-protos.h
548         (mips_small_register_classes_for_mode_p): Delete prototype.
549
550 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
551
552         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
553         * config/arm/arm.c (multiple_operation_profitable_p,
554         compute_offset_order): New static functions.
555         (load_multiple_sequence, store_multiple_sequence): Use them.
556         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
557         memory offsets, not register numbers.
558         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
559
560 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
561
562         * stor-layout.c (pending_sizes): Change the type to
563         VEC(tree,gc) *.
564         (get_pending_sizes, put_pending_size, put_pending_sizes):
565         Update the uses of pending_sizes.
566         * c-decl.c (store_parm_decls): Likewise.
567         * c-tree.h (struct c_arg_info): Likewise.
568         * tree.h: Update the prototype for get_pending_sizes and
569         put_pending_sizes.
570
571 2010-05-05  Jason Merrill  <jason@redhat.com>
572
573         PR debug/43370
574         * c-common.c (handle_aligned_attribute): Respect
575         ATTR_FLAG_TYPE_IN_PLACE.
576
577         PR testsuite/43758
578         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
579         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
580         (TARGET_INITIALIZER): Use it.
581         * c-common.c (attribute_takes_identifier_p): Call it.
582         * c-common.h: Update prototype.
583         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
584         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
585
586 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
587
588         PR debug/43950
589         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
590         DW_ID_down_case for Fortran compilation units.
591
592 2010-05-05  Jan Hubicka  <jh@suse.cz>
593
594         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
595         handle aliases.
596
597 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
598
599         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
600         a variable-sized RESULT_DECL.
601
602 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
603
604         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
605
606 2010-05-05  Jason Merrill  <jason@redhat.com>
607
608         PR c++/43787
609         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
610         returns GS_OK.
611         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
612
613 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
614             Jakub Jelinek  <jakub@redhat.com>
615
616         PR debug/43478
617         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
618         (dead_debug_init, dead_debug_finish): New functions.
619         (dead_debug_add, dead_debug_insert_before): Likewise.
620         (df_note_bb_compute): Initialize a dead_debug object, add dead
621         debug uses to it, insert debug bind insns before death insns,
622         reset debug insns that refer to pending uses at the end.
623         * rtl.h (make_debug_expr_from_rtl): New prototype.
624         * varasm.c (make_debug_expr_from_rtl): New function.
625
626 2010-05-05  Jan Hubicka  <jh@suse.cz>
627
628         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
629         (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
630         lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
631         lto_varpool_encoder_encode_initializer_p,
632         lto_set_varpool_encoder_encode_initializer): New functions.
633         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
634         call output_varpool.
635         (input_varpool_node): Do not always set analyzed.
636         (input_cgraph_1): Return vector of cgraph nodes.
637         (input_varpool_1): Return vector of varpools.
638         (input_cgraph): Free the vectors.
639         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
640         output only initializers needed.
641         (lto_output): Only call output_cgraph.
642         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
643         * lto-section-out.c (lto_new_out_decl_state): Initialize
644         state->varpool_node_encoder.
645         * lto-streamer.h (lto_varpool_encoder_d): New.
646         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.     
647         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
648         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
649         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
650         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
651         Declare.
652         (output_varpool, input_varpool): Remove declarations.
653
654 2010-05-05  Jan Hubicka  <jh@suse.cz>
655
656         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
657         with body can prevail.
658
659 2010-05-05  Jan Hubicka  <jh@suse.cz>
660
661         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
662         size.
663
664 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
665
666         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
667         dependencies.
668
669         * gengtype.h (erro_at_line): Constify pos argument.
670
671         * gengtype.c: Include hashtab.h.
672         (enum gc_used): Document GC_MAYBE_POINTED_TO.
673         (error_at_line): Constify pos argument.
674         (do_typedef): Initialize p->opt field.
675         (get_file_gtfilename): Fix comment typo.
676         (struct walk_type_data): Constify line field.
677         (get_output_file_for_structure): New function.
678         (write_local_func_for_structure): Constify orig_s argument.
679         Use get_output_file_for_structure.
680         (write_func_for_structure): Use get_output_file_for_structure.
681         (INDENT): New define.
682         (dump_pair, dump_type, dump_type_list, dump_typekind)
683         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
684         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
685         functions.
686         (seen_types): New variable.
687         (main): New variable do_dump.  Process "-d" command line option.
688         Call dump_everything if dump requested.
689
690 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
691
692         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
693         in a temporary instead of invoking the macro multiple times.
694         (track_expr_p): Likewise.
695
696 2010-05-04  Neil Vachharajani <nvachhar@google.com>
697
698         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
699         per new semantics.
700         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
701         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
702         conditions for printing notes.
703         * common.opt (-Wcoverage-mismatch): Allow negative, default to
704         true, update documentation.
705         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
706
707 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
708
709         PR c/43981
710         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
711         on dimen.
712
713 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
714
715         PR target/43799
716         * config/i386/i386.md (sse_prologue_save): Add clobber CC
717         register.
718         (*sse_prologue_save_insn1): Likewise.
719         (SSE prologue save splitter): Likewise.
720
721 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
722
723         * tree.c (free_lang_data_in_one_sizepos): New inline function.
724         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
725         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
726         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
727         all decls.  Call it on DECL_FIELD_OFFSET of fields.
728         (find_decls_types_r): Follow DECL_VALUE_EXPR.
729         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
730
731 2010-05-04  Martin Jambor  <mjambor@suse.cz>
732
733         * tree-sra.c (build_access_from_expr_1): The first parameter type
734         changed to simple tree.
735         (build_access_from_expr): Likewise, gsi parameter was eliminated.
736         (scan_assign_result): Renamed to assignment_mod_result, enum elements
737         renamed as well.
738         (build_accesses_from_assign): Removed all parameters except for a
739         simple gimple statement.  Now returns a simple bool.
740         (scan_function): All non-analysis parts moved to separate functions
741         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
742         parameters and updated both callers.
743         (sra_modify_expr): Removed parameter data.
744         (sra_modify_function_body): New function.
745         (perform_intra_sra): Call sra_modify_function_body to modify the
746         function body.
747         (replace_removed_params_ssa_names): Parameter data changed into
748         adjustments vector.
749         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
750         changed the parameter dont_convert to convert with the opposite
751         meaning.
752         (sra_ipa_modify_assign): Parameter data changed into adjustments
753         vector, return value changed to bool.
754         (ipa_sra_modify_function_body): New function.
755         (sra_ipa_reset_debug_stmts): Updated a comment.
756         (modify_function): Use ipa_sra_modify_function_body to modify function
757         body.
758
759 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
760
761         PR middle-end/43671
762         * alias.c (true_dependence): Handle the same VALUE in x and mem.
763         (canon_true_dependence): Likewise.
764         (write_dependence_p): Likewise.
765
766 2010-05-04  Jan Hubicka  <jh@suse.cz>
767
768         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
769         * cgraphbuild.c: Include ipa-utils.h
770         (record_reference_ctx): New struct.
771         (record_reference): Simplify to work on initializers; not statements.
772         (mark_address, mark_load, mark_store): New.
773         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
774         walk PHI nodes too.
775         (record_references_in_initializer): Update use of record_reference.
776         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
777         walk PHI nodes too.
778
779 2010-05-04  Jan Hubicka  <jh@suse.cz>
780
781         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
782         node will be removed anyway.
783         (lto_varpool_replace_node): Allow also unanalyzed nodes;
784         relink aliases of node into prevailing node.
785         * varpool.c (varpool_remove_node): Remove aliases properly;
786         when removing node, remove all its aliases too; remove DECL_INITIAL
787         of removed node; ggc_free the varpool node.
788
789 2010-05-04  Richard Guenther  <rguenther@suse.de>
790
791         PR tree-optimization/43879
792         * tree-ssa-structalias.c (alias_get_name): Use
793         DECL_ASSEMBLER_NAME if available.
794         (create_function_info_for): Return the varinfo node.
795         (ipa_pta_execute): Associate same-body aliases and extra names
796         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
797
798 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
799
800         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
801         static.
802
803 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
804
805         PR bootstrap/43964
806         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
807         only if HONOR_REG_ALLOC_ORDER is not defined.
808
809 2010-05-04  Richard Guenther  <rguenther@suse.de>
810
811         PR tree-optimization/43949
812         * tree-vrp.c (extract_range_from_binary_expr): Only handle
813         TRUNC_MOD_EXPR.
814
815 2010-04-26  Jason Merrill  <jason@redhat.com>
816
817         * c.opt (-fstrict-enums): New.
818         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
819
820 2010-05-03  David Ung <davidu@mips.com>
821             James E. Wilson  <wilson@codesourcery.com>
822
823         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
824         emit the trap instruction before the divide for TUNE_74K.
825
826 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
827
828         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
829         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
830         based on the above, for new target hook.
831
832         * hooks.c (hook_bool_mode_true): New generic hook.
833         * hooks.h (hook_bool_mode_true): Add prototype.
834
835         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
836         target hook.
837         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
838         target hook, set to hook_bool_mode_false.
839         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
840         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
841         with targetm.small_register_classes_for_mode_p.
842         (find_reusable_reload): Likewise.
843         (combine_reloads): Likewise.
844         * reload1.c (reload_as_needed): Likewise.
845         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
846         * ifcvt.c (noce_process_if_block, check_cond_move_block,
847         dead_or_predicable): Likewise.
848         * regmove.c (optimize_reg_copy_1): Likewise.
849         * calls.c (prepare_call_address): Likewise.
850         (precompute_register_parameters): Likewise.
851
852         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
853         hook definition.
854         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
855         implementation of the hook that considers all register classes
856         small except for SH64.
857         (sh_override_options): Use the new hook.
858         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
859         Add prototype.
860
861         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
862         hook definition.
863         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
864         implementation of the hook that considers all register classes
865         small for THUMB1.
866         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
867         Add prototype.
868
869         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
870         hook definition.
871         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
872         implementation of the hook that considers all register classes
873         small for MIPS16.
874         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
875         Add prototype.
876
877         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
878         hook definition.
879         * config/m32c/m32c.h: Likewise.
880         * config/pdp11/pdp11.h: Likewise.
881         * config/avr/avr.h: Likewise.
882         * config/xtensa/xtensa.h: Likewise.
883         * config/m68hc11/m68hc11.h: Likewise.
884         * config/mn10300/mn10300.h: Likewise.
885         * config/mcore/mcore.h: Likewise.
886         * config/h8300/h8300.h: Likewise.
887         * config/bfin/bfin.h: Likewise.
888
889         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
890         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
891
892 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
893
894         * double-int.h (tree_to_double_int): Remove macro.
895         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
896         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
897         (tree_to_double_int): New function.
898         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
899         Move ...
900         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
901
902 2010-05-03  Richard Guenther  <rguenther@suse.de>
903
904         PR tree-optimization/43971
905         * tree-ssa-structalias.c (get_constraint_for_1): Fix
906         constraints in the !flag_delete_null_pointer_checks case.
907
908 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
909
910         PR debug/43972
911         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
912         result mode matches original rtl mode.
913
914 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
915
916         PR target/43888
917         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
918
919 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
920
921         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
922         when processing flag options.
923
924 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
925
926         * gcov-iov.c (main): Change format string placeholder
927         from %#08x to 0x%08x.
928         * genchecksum.c (dosum): Change format string placeholder
929         from %#02x to 0x%02x.
930
931 2010-05-02  Richard Guenther  <rguenther@suse.de>
932
933         PR tree-optimization/43879
934         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
935
936 2010-05-02  Bruno Haible  <bruno@clisp.org>
937
938         * doc/extend.texi (Function Attributes): Fix a typo.
939
940 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
941
942         Revert:
943         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
944         placeholder from 0x%x to %#x.
945         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
946         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
947         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
948         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
949         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
950         * config/i386/i386.c (ix86_target_string): Ditto.
951         * config/i386/i386.c (output_pic_addr_const): Ditto.
952         (print_operand): Ditto.
953
954 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
955
956         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
957         placeholder from 0x%x to %#x.
958         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
959         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
960         (ASM_OUTPUT_DEBUG_DATA): Ditto.
961         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
962         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
963         * optc-gen.awk: Ditto.
964         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
965         (HOST_WIDE_INT_PRINT_HEX): Ditto.
966         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
967         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
968
969 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
970
971         * target.h (struct calls): Add function_value_regno_p field.
972         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
973         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
974         * targhooks.c (default_function_value_regno_p): New function.
975         * targhooks.h (default_function_value_regno_p): Declare function.
976         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
977         * builtins.c. (apply_result_size): (Ditto.).
978         * combine.c. (likely_spilled_retval_p): (Ditto.).
979         * mode-switching.c. Include 'target.h'.
980         (create_pre_exit): Use function_value_regno_p hook.
981         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
982         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
983         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
984
985         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
986         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
987         (ix86_function_value_regno_p): Declare as static, change argument
988         type to const unsigned int.
989         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
990
991 2010-05-01  Richard Guenther  <rguenther@suse.de>
992
993         PR tree-optimization/43949
994         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
995         types.
996         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
997
998 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
999
1000         * rtl.h (CONST_DOUBLE_P): Define.
1001         (rtx_to_double_int): Declare.
1002         * emit-rtl.c (rtx_to_double_int): New function.
1003         * dwarf2out.c (insert_double): New function.
1004         (loc_descriptor, add_const_value_attribute): Clean up, use
1005         rtx_to_double_int and insert_double functions.
1006
1007 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1008
1009         * doc/extend.texi (Inline): Add missing return keyword to examples.
1010         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1011         "command-line".
1012
1013 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1014
1015         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1016         the variable part of the offset as well.  Use highest_pow2_factor for
1017         all alignment checks.
1018
1019 2010-04-30  Richard Guenther  <rguenther@suse.de>
1020
1021         PR tree-optimization/43879
1022         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1023         can have pointers.
1024
1025 2010-04-30  Jan Hubicka  <jh@suse.cz>
1026
1027         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1028         varpool.
1029         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1030
1031 2010-04-30  Jan Hubicka  <jh@suse.cz>
1032
1033         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1034         New.
1035         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1036         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1037         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1038         cgraph_node_set_needs_ltrans_p): Remove.
1039
1040 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1041
1042         * sdbout.c: Include vec.h, do not include varray.h.
1043         (deferred_global_decls, sdbout_global_decl,
1044         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1045         * toplev.c: Do not include varray.h.
1046         (dump_memory_report): Do not dump VARRAY statistics.
1047         * gengtype.c (open_base_file): Ignore varray.h.
1048         * Makefile.in: Update for abovementioned changes.
1049         Remove all traces of varray.c and varray.h.
1050         * varray.c: Remove file.
1051         * varray.h: Remove file.
1052
1053 2010-04-30  Jan Hubicka  <jh@suse.cz>
1054
1055         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1056         references.
1057
1058 2010-04-30  Jan Hubicka  <jh@suse.cz>
1059
1060         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1061         needed.
1062
1063 2010-04-30  Richard Guenther  <rguenther@suse.de>
1064
1065         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1066         constraints for CONSTRUCTOR.
1067
1068 2010-04-30  Richard Guenther  <rguenther@suse.de>
1069
1070         PR lto/43946
1071         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1072         first after all lowering passes.
1073
1074 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1075
1076         * toplev.c: Include varray.h for statistics dumping.
1077         * tree.h: Do not declare varray_head_tag.
1078         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1079         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1080         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1081         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1082         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1083         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1084         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1085         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1086         include varray.h.
1087         * Makefile.in: Update for abovementioned changes.
1088
1089 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1090
1091         PR debug/43942
1092         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1093
1094 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1095
1096         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1097         Use this function to do machine-specific conversion.
1098         (picochip_legitimize_reload_address): Likewise.
1099         (picochip_legitimate_address_p): Check valid base register only if
1100         strict.
1101         (picochip_check_conditional_copy): Check for modw only if opnd is
1102         register.
1103         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1104         to call the function in c.
1105         * config/picochip/picochip-protos.h
1106         (picochip_legitimize_reload_address): Define.
1107         * config/picochip/picochip.md (supported_compare1): Define.
1108
1109 2010-04-30  Jan Hubicka  <jh@suse.cz>
1110
1111         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1112         (cgraph_global_info): Remove inlined.
1113         (LTO_cgraph_tag_names): Remove.
1114         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1115         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1116         simplify cgraph tags and document.
1117         (lto_output_node): Use only LTO_cgraph_unavail_node and
1118         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1119         for_functions_valid, global info, process and output flags.
1120         (input_overwrite_node): Initialize estimated stack size and
1121         estimated growth.  Do not read flags we no longer store.
1122         (input_node): Likewise do not read info no longer stored.
1123         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1124         flag.
1125
1126 2010-04-30  Richard Guenther  <rguenther@suse.de>
1127
1128         PR tree-optimization/43879
1129         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1130         handle non-zero initializers.
1131
1132 2010-04-30  Richard Guenther  <rguenther@suse.de>
1133
1134         * builtins.c (fold_builtin_1): Delete free (0).
1135
1136 2010-04-29  Jan Hubicka  <jh@suse.cz>
1137
1138         * gengtype.c (open_base_files): Add lto-streamer.h
1139         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1140         (pass_ipa_cp): GGC collect.
1141         * toplev. (compile_file): Do not output symbols.
1142         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1143         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1144         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1145         * lto-section-in.c: Include ggc.h
1146         (lto_new_in_decl_state): Alloc in GGC.
1147         (lto_delete_in_decl_state): Likewise.
1148         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1149         Collect.
1150
1151 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1152
1153         PR target/42895
1154         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1155         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1156         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1157         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1158         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1159         account only if HONOR_REG_ALLOC_ORDER is not defined.
1160         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1161         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1162
1163 2010-04-29  Jon Grant  <04@jguk.org>
1164
1165         * collect2.c (vflag): Change type from int to bool.
1166         (debug): Likewise.
1167         (helpflag): New global bool.
1168         (main): Set vflag and debug with boolean, not integer truth values.
1169         Accept new "--help" option and output usage text if found.
1170         * collect2.h (vflag): Update prototype.
1171         (debug): Likewise.
1172
1173 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1174
1175         PR bootstrap/43936
1176         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1177
1178 2010-04-29  Richard Guenther  <rguenther@suse.de>
1179
1180         PR bootstrap/43935
1181         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1182         with ATTRIBUTE_UNUSED.
1183
1184 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1185
1186         PR target/43921
1187         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1188         INSN_P with NONDEBUG_INSN_P.
1189         (distance_non_agu_define): Likewise.
1190         (distance_agu_use): Likewise.
1191
1192 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1193
1194         From Dominique d'Humieres <dominiq@lps.ens.fr>
1195         PR bootstrap/43858
1196         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1197         test_set.
1198
1199 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1200
1201         * plugin.h (invoke_plugin_callbacks): New inline function.
1202         * plugin.c (flag_plugin_added): New global flag.
1203         (add_new_plugin): Initialize above flag.
1204         (invoke_plugin_callbacks): Rename to ...
1205         (invoke_plugin_callbacks_full): ... this.
1206
1207 2010-04-28  Jan Hubicka  <jh@suse.cz>
1208
1209         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1210         (lto_varpool_replace_node): New.
1211         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1212         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1213         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1214         * cgraph.h (varpool_node_ptr): New type.
1215         (varpool_node_ptr): New vector.
1216         (varpool_node_set_def): New structure.
1217         (varpool_node_set): New type.
1218         (varpool_node_set): New vector.
1219         (varpool_node_set_element_def): New structure.
1220         (varpool_node_set_element, const_varpool_node_set_element): New types.
1221         (varpool_node_set_iterator): New type.
1222         (varpool_node): Add prev pointers, add used_from_other_partition,
1223         in_other_partition.
1224         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1225         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1226         varpool_get_node, varpool_remove_node): Declare.
1227         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1228         varpool_node_set_size): New inlines.
1229         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1230         * tree-pass.h (varpool_node_set_def): Forward declare.
1231         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1232         (ipa_write_optimization_summaries): Update prototype.
1233         * ipa-cp.c (ipcp_write_summary): Update.
1234         * ipa-reference.c (ipa_reference_write_summary): Update.
1235         * lto-cgraph.c (lto_output_varpool_node): New static function.
1236         (output_varpool): New function.
1237         (input_varpool_node): New static function.
1238         (input_varpool_1): New function.
1239         (input_cgraph): Input varpool.
1240         * ipa-pure-const.c (pure_const_write_summary): Update.
1241         * lto-streamer-out.c (lto_output): Update, output varpool too.
1242         (write_global_stream): Kill WPA hack.
1243         (produce_asm_for_decls): Update.
1244         (output_alias_pair_p): Handle variables.
1245         (output_unreferenced_globals): Output only needed partition of varpool.
1246         * ipa-inline.c (inline_write_summary): Update.
1247         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1248         cgraph.
1249         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1250         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1251         varpool_node_set_new, varpool_node_set_add,
1252         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1253         debug_varpool_node_set): New functions.
1254         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1255         (execute_one_pass): Process new decls too.
1256         (ipa_write_summaries_2): Pass around vsets.
1257         (ipa_write_summaries_1): Likewise.
1258         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1259         to add.
1260         (ipa_write_optimization_summaries_1): Pass around vsets.
1261         (ipa_write_optimization_summaries): Likewise.
1262         * varpool.c (varpool_get_node): New.
1263         (varpool_node): Update doubly linked lists.
1264         (varpool_remove_node): New.
1265         (dump_varpool_node): More dumping.
1266         (varpool_enqueue_needed_node): Update doubly linked lists.
1267         (decide_is_variable_needed): Kill ltrans hack.
1268         (varpool_finalize_decl): Kill lto hack.
1269         (varpool_assemble_decl): Skip decls in other partitions.
1270         (varpool_assemble_pending_decls): Update doubly linkes lists.
1271         (varpool_empty_needed_queue): Likewise.
1272         (varpool_extra_name_alias): Likewise.
1273         * lto-streamer.c (lto_get_section_name): Add vars section.
1274         * lto-streamer.h (lto_section_type): Update.
1275         (output_varpool, input_varpool): Declare.
1276
1277 2010-04-28  Mike Stump  <mikestump@comcast.net>
1278
1279         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1280
1281 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1282
1283         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1284         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1285         (lto_input_ts_type_tree_pointers): Likewise.
1286         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1287         (lto_output_ts_type_tree_pointers): Likewise.
1288
1289 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1290
1291         Uniquization of constants at the Tree level
1292         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1293         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1294         bit to the end.
1295         (tree_output_constant_def): Declare.
1296         * gimplify.c (gimplify_init_constructor): When using block copy, first
1297         uniquize the constant constructor on the RHS.
1298         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1299         DECL_IN_CONSTANT_POOL flag.
1300         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1301         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1302         constant pool.
1303         (assemble_variable): Deal with symbols belonging to the tree constant
1304         pool.
1305         (get_constant_section): Add ALIGN parameter and simplify.
1306         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1307         (assemble_constant_contents): Use the expression of the VAR_DECL.
1308         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1309         (tree_output_constant_def): New global function.
1310         (mark_constant): Use the expression of the VAR_DECL.
1311         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1312         its expression.
1313         (output_object_block): Likewise and assemble the expression.
1314
1315 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1316
1317         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1318         hash_tree, eq_tree): New tree hash table.
1319         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1320         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1321         lto_orig_address_remove): Reimplement.
1322
1323 2010-04-28  Xinliang David Li  <davidxl@google.com>
1324
1325         PR c/42643
1326         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1327         (compute_uninit_opnds_pos): New function.
1328         (is_non_loop_exit_postdominating): New function.
1329         (compute_control_dep_chain): New function.
1330         (find_pdom): New function.
1331         (convert_control_dep_chain_into_preds): New function.
1332         (find_predicates): New function.
1333         (find_control_equiv_block): New function.
1334         (collect_phi_def_edges): New function.
1335         (find_def_preds): New function.
1336         (find_dom): New function.
1337         (dump_predicates): New function.
1338         (get_cmp_code): New function.
1339         (is_value_included_in): New function.
1340         (find_matching_predicate_in_rest_chains): New function.
1341         (use_pred_not_overlap_with_undef_path_pred): New function.
1342         (is_use_properly_guarded): New function.
1343         (normalize_cond_1): New function.
1344         (is_and_or_or): New function.
1345         (normalize_cond): New function.
1346         (is_gcond_subset_of): New function.
1347         (is_subset_of_any): New function.
1348         (is_or_set_subset_of): New function.
1349         (is_and_set_subset_of): New function.
1350         (is_norm_cond_subset_of): New function.
1351         (is_pred_expr_subset_of): New function.
1352         (is_pred_chain_subset_of): New function.
1353         (is_included_in): New function.
1354         (is_superset_of): New function.
1355         (find_uninit_use): New function.
1356         (warn_uninitialized_phi): New function.
1357         (compute_possibly_undefined_names): New function.
1358         (ssa_undefined_value_p): New function.
1359         (execute_late_warn_uninitialized): New function.
1360         * tree-ssa.c (ssa_undefined_value_p): Removed.
1361         (warn_uninit): Changed to extern.
1362         (warn_uninitialized_phi): Removed.
1363         (warn_uninitialized_vars): Changed to extern.
1364         (execute_late_warn_uninitialized): Removed
1365         * tree-flow.h: Add new prototypes.
1366         * timevar.def: Add new time variable.
1367         * Makefile.in: Add new build file.
1368
1369 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1370
1371         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1372         type if available.
1373
1374 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1375
1376         PR target/22224
1377         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1378
1379 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1380
1381         * cgraph.h (struct cgraph_node): New field indirect_calls.
1382         (struct cgraph_indirect_call_info): New type.
1383         (struct cgraph_edge): Removed field indirect_call. New fields
1384         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1385         (cgraph_create_indirect_edge): Declare.
1386         (cgraph_make_edge_direct): Likewise.
1387         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1388         * ipa-prop.h (struct ipa_param_call_note): Removed.
1389         (struct ipa_node_params): Removed field param_calls.
1390         (ipa_create_all_structures_for_iinln): Declare.
1391         * cgraph.c: Described indirect edges and uids in initial comment.
1392         (cgraph_add_edge_to_call_site_hash): New function.
1393         (cgraph_edge): Search also among the indirect edges, use
1394         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1395         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1396         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1397         site hash.
1398         (initialize_inline_failed): Assign a reason to indirect edges.
1399         (cgraph_create_edge_1): New function.
1400         (cgraph_create_edge): Moved some functionality to
1401         cgraph_create_edge_1.
1402         (cgraph_create_indirect_edge): New function.
1403         (cgraph_edge_remove_callee): Add an assert checking for
1404         non-indirectness.
1405         (cgraph_edge_remove_caller): Special-case indirect edges.
1406         (cgraph_remove_edge): Likewise.
1407         (cgraph_set_edge_callee): New function.
1408         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1409         (cgraph_make_edge_direct): New function.
1410         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1411         the declaration of the call statement matches.
1412         (cgraph_node_remove_callees): Special-case indirect edges.
1413         (cgraph_clone_edge): Likewise.
1414         (cgraph_clone_node): Clone also the indirect edges.
1415         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1416         indirect_call, dump count of indirect_calls edges.
1417         * ipa-prop.c (iinlining_processed_edges): New variable.
1418         (ipa_note_param_call): Create indirect edges instead of
1419         creating notes.  New parameter node.
1420         (ipa_analyze_call_uses): New parameter node, pass it on to
1421         ipa_note_param_call.
1422         (ipa_analyze_stmt_uses): Likewise.
1423         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1424         (print_edge_addition_message): Work on edges rather than on notes.
1425         (update_call_notes_after_inlining): Likewise, renamed to
1426         update_indirect_edges_after_inlining.
1427         (ipa_create_all_structures_for_iinln): New function.
1428         (ipa_free_node_params_substructures): Do not free notes.
1429         (ipa_edge_duplication_hook): Propagate bits within
1430         iinlining_processed_edges bitmap.
1431         (ipa_node_duplication_hook): Do not duplicate notes.
1432         (free_all_ipa_structures_after_ipa_cp): Renamed to
1433         ipa_free_all_structures_after_ipa_cp.
1434         (free_all_ipa_structures_after_iinln): Renamed to
1435         ipa_free_all_structures_after_iinln.g
1436         (ipa_write_param_call_note): Removed.
1437         (ipa_read_param_call_note): Removed.
1438         (ipa_write_indirect_edge_info): New function.
1439         (ipa_read_indirect_edge_info): Likewise.
1440         (ipa_write_node_info): Do not stream notes, do stream information
1441         in indirect edges.
1442         (ipa_read_node_info): Likewise.
1443         (lto_ipa_fixup_call_notes): Removed.
1444         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1445         * ipa-inline.c (pass_ipa_inline): Likewise.
1446         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1447         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1448         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1449         is_gimple_call.
1450         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1451         edges.
1452         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1453         (output_cgraph): Stream also indirect edges.
1454         (lto_output_edge): Added capability to stream indirect edges.
1455         (input_edge): Likewise.
1456         (input_cgraph_1): Likewise.
1457         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1458         of indirect edges.
1459
1460 2010-04-28  Richard Guenther  <rguenther@suse.de>
1461
1462         PR tree-optimization/43879
1463         PR tree-optimization/43909
1464         * tree-ssa-structalias.c (struct variable_info): Add
1465         only_restrict_pointers flag.
1466         (new_var_info): Initialize it.  Increment stats.total_vars here.
1467         (create_function_info_for): Do not increment stats.total_vars
1468         here.
1469         (get_function_part_constraint): Fix build with C++.
1470         (insert_into_field_list): Remove.
1471         (push_fields_onto_fieldstack): Properly merge fields.
1472         (create_variable_info_for): Split and simplify.
1473         (create_variable_info_for_1): New piece.
1474         (intra_create_variable_infos): Properly make restrict constraints
1475         from parameters.
1476
1477 2010-04-28  Richard Guenther  <rguenther@suse.de>
1478
1479         PR c++/43880
1480         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1481
1482 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1483             Jan Hubicka <hubicka@ucw.cz>
1484
1485         * doc/invoke.texi (-Wsuggest-attribute=const,
1486         -Wsuggest-attribute=pure): Document.
1487         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1488         (function_always_visible_to_compiler_p,
1489         suggest_attribute, warn_function_pure, warn_function_const):
1490         New functions.
1491         (check_call): Improve debug info.
1492         (analyze_function): Do not check availability.
1493         (add_new_function): Check availability.
1494         (propagate): Output warnings.
1495         (skip_function_for_local_pure_const): New function.
1496         (local_pure_const): Use it; output warnings.
1497         * common.opt (Wsuggest-attribute=const,
1498         Wsuggest-attribute=pure): New.
1499
1500 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1501
1502         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1503         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1504         or DW_CFA_def_cfa_offset{,_sf}.
1505
1506 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1507
1508         * tree.h: Fix truncated long macros.
1509
1510 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1511
1512         * collect2.c (TARGET_64BIT): Redefine to target's default.
1513         * tlink.c: Likewise.
1514         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1515         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1516         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1517         for underscoring __USER_LABEL_PREFIX__.
1518         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1519         (SUB_LINK_ENTRY32): New.
1520         (SUB_LINK_ENTRY64): New.
1521         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1522         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1523         (SUB_LINK_ENTRY64): New.
1524         (SUB_LINK_ENTRY): New.
1525         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1526         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1527         x64 target is choosen.
1528         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1529         * configure: Regenerated.
1530         * configure.ac (leading-mingw64-underscores): Option added.
1531
1532 2010-04-27  Jan Hubicka  <jh@suse.cz>
1533
1534         * doc/invoke.texi (-fipa-profile): Document.
1535         * opts.c (decode_options): Enable ipa-profile at -O1.
1536         * timevar.def (TV_IPA_PROFILE): Define.
1537         * common.opt (fipa-profile): Add.
1538         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1539         flag for clones.
1540         (cgraph_propagate_frequency): Handle only local ones.
1541         * tree-pass.h (pass_ipa_profile): Declare.
1542         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1543         (pass_ipa_profile): Use TV_IPA_PROFILE.
1544         * ipa.c (ipa_profile): New function.
1545         (gate_ipa_profile): Likewise.
1546         (pass_ipa_profile): New global variable.
1547         * passes.c (pass_ipa_profile): New.
1548
1549 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1550
1551         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1552
1553 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1554
1555         PR middle-end/43812
1556         * ipa.c (dissolve_same_comdat_group_list): New function.
1557         (function_and_variable_visibility): Call
1558         dissolve_same_comdat_group_list when comdat group contains external or
1559         newly local nodes.
1560         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1561         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1562
1563 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1564
1565         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1566         (const_hash_1) <VECTOR_CST>: New case.
1567         (compare_constant) <VECTOR_CST>: Likewise.
1568         <ADDR_EXPR>: Deal with LABEL_REFs.
1569         (copy_constant) <VECTOR_CST>: New case.
1570
1571 2010-04-27  Jan Hubicka  <jh@suse.cz>
1572
1573         * cgraph.c (cgraph_propagate_frequency): New function.
1574         * cgraph.h (cgraph_propagate_frequency): Declare.
1575         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1576         cgraph_propagate_frequency.
1577
1578 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1579
1580         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1581
1582 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1583
1584         PR target/40657
1585         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1586         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1587         here to determine which regs to push and how much stack to reserve.
1588
1589 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1590
1591         * doc/gimple.texi (gimple_statement_with_ops): Remove
1592         addresses_taken field.
1593         (gimple_statement_with_memory_ops): Likewise.
1594
1595 2010-04-27  Jan Hubicka  <jh@suse.cz>
1596
1597         * tree-inline.c (eni_inlining_weights): Remove.
1598         (estimate_num_insns): Special case more builtins.
1599
1600 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1601
1602         PR c/32207
1603         * c-typeck.c (build_binary_op): Move forward check for comparison
1604         pointer with null pointer constant and adjust the diagnostic message.
1605
1606 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1607
1608         PR lto/42776
1609         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1610         binutils supports extended .section directive needed by LTO, or
1611         warn if older binutils found.
1612         (LTO_BINARY_READER): New AC_SUBST'd variable.
1613         (LTO_USE_LIBELF): Likewise.
1614         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1615         variable.
1616         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1617         (LTO_USE_LIBELF): Likewise.
1618         * configure: Regenerate.
1619
1620         * collect2.c (is_elf): Rename from this ...
1621         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1622          object files in addition to ELF-formatted ones.
1623         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1624         symbol to be prefixed or not by an extra underscore.
1625
1626         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1627         * config/i386/winnt.c: Also #include lto-streamer.h
1628         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1629         LTO named sections.
1630         (i386_pe_asm_output_aligned_decl_common): Add comment.
1631         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1632
1633 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1634
1635         PR target/43889
1636         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1637         Add missing earlyclobber for second alternative.
1638
1639 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1640
1641         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1642         bits for artificial defs at the top of the block.
1643         * fwprop.c (single_def_use_enter_block): Don't call it.
1644
1645 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1646
1647         PR 43715
1648         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1649         instead of "$gcc_cv_objdump -T".
1650         Use "-undefined dynamic_lookup" on darwin.
1651         * gcc/configure: Regenerate.
1652
1653 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1654
1655         PR c/43893
1656         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1657
1658 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1659
1660         * c-parser.c (struct c_token): Move location field up.
1661         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1662         (struct c_declspecs): Convert typespec_word, storage_class, and
1663         default_int_p into bitfields.
1664         (struct c_declarator): Move loc field up.
1665
1666 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1667
1668         * cfgloop.h (struct loop): Move can_be_parallel field up.
1669         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1670         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1671         down.
1672         (struct iv_cand): Convert pos field into a bitfield.
1673         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1674         field up.
1675         (struct _stmt_vec_info): Shuffle fields for better packing.
1676
1677 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1678
1679         * varasm.c (IN_NAMED_SECTION): Remove guard.
1680         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1681         (IN_NAMED_SECTION_P): ...this.
1682         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1683         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1684
1685 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1686
1687         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1688         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1689         of shadowing it.  Fix comments.
1690
1691 2010-04-26  Jan Hubicka  <jh@suse.cz>
1692
1693         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1694         (cgraph_clone_node): Copy function frequency.
1695         * cgraph.h (node_frequency): New enum
1696         (struct cgraph_node): Add.
1697         * final.c (rest_of_clean_state): Update.
1698         * lto-cgraph.c (lto_output_node): Output node frequency.
1699         (input_overwrite_node): Input node frequency.
1700         * tre-ssa-loop-ivopts (computation_cost): Update.
1701         * lto-streamer-out.c (output_function): Do not output function
1702         frequency.
1703         * predict.c (maybe_hot_frequency_p): Update and handle functions
1704         executed once.
1705         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1706         attribute lookup.
1707         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1708         (compute_function_frequency): Set noreturn functions to be executed
1709         once.
1710         (choose_function_section): Update.
1711         * lto-streamer-in.c (input_function): Do not input function frequency.
1712         * function.c (allocate_struct_function): Do not initialize function
1713         frequency.
1714         * function.h (function_frequency): Remove.
1715         (struct function): Remove function frequency.
1716         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1717         (try_update): Update.
1718         * tree-inline.c (initialize_cfun): Do not update function frequency.
1719         * passes.c (pass_init_dump_file): Update.
1720         * i386.c (ix86_compute_frame_layout): Update.
1721         (ix86_pad_returns): Update.
1722
1723 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1724
1725         PR tree-optimization/43833
1726         * tree-vrp.c (range_int_cst_p): New.
1727         (range_int_cst_singleton_p): New.
1728         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1729         when both operands are constants.  Use range_int_cst_p in
1730         BIT_IOR_EXPR case.
1731
1732 2010-04-26  Jan Hubicka  <jh@suse.cz>
1733
1734         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1735
1736 2010-04-26  Richard Guenther  <rguenther@suse.de>
1737
1738         PR lto/43080
1739         * gimple.c (gimple_decl_printable_name): Deal gracefully
1740         with a NULL DECL_NAME.
1741
1742 2010-04-26  Richard Guenther  <rguenther@suse.de>
1743
1744         PR lto/42425
1745         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1746         if emitting debug information and it is either a function
1747         or a namespace decl.
1748
1749 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1750
1751         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1752         determine if the statement is vectorizable, and a macro to access it.
1753         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1754         Skip statements that can't be vectorized. If the analysis fails,
1755         mark the statement as unvectorizable if vectorizing basic block.
1756         (vect_compute_data_refs_alignment): Likewise.
1757         (vect_verify_datarefs_alignment): Skip statements marked as
1758         unvectorizable. Add print.
1759         (vect_analyze_group_access): Skip statements that can't be
1760         vectorized. If the analysis fails, mark the statement as
1761         unvectorizable if vectorizing basic block.
1762         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1763         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1764         generated stmts for SLP.
1765         (new_stmt_vec_info): Initialize the new field.
1766         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1767         statements marked as unvectorizable.
1768
1769 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1770
1771         * c-common.c (flag_isoc1x): New.
1772         (flag_isoc99): Update comment.
1773         * c-common.h (flag_isoc1x): New.
1774         (flag_isoc99): Update comment.
1775         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1776         __<type>_DECIMAL_DIG__.
1777         * c-opts.c (set_std_c1x): New.
1778         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1779         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1780         * c.opt (-std=c1x, -std=gnu1x): New options.
1781         * doc/cpp.texi: Mention -std=c1x.
1782         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1783         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1784         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1785         * doc/standards.texi: Mention C1X.
1786         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1787         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1788         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1789         Define for C1X.
1790
1791 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1792
1793         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1794         placeholder from 0x%x to %#x.
1795         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1796         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1797         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1798         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1799         * config/i386/i386.c (ix86_target_string): Ditto.
1800         (output_pic_addr_const): Ditto.
1801         (print_operand): Ditto.
1802
1803 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1804
1805         * combine.c (find_split_point): Add third argument.  Use it
1806         to find nested multiply-accumulate instructions.  Adjust calls.
1807         (try_combine): Adjust call to find_split_point.
1808
1809 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1810
1811         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1812
1813 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1814
1815         PR tree-optimization/41442
1816         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1817         (fold_binary_loc): Call it.
1818
1819 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1820
1821         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1822         * opts.c (common_handle_option): Allow disabling it.
1823         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1824
1825 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1826
1827         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1828         between modes if both types are integral.
1829
1830 2010-04-23  Richard Guenther  <rguenther@suse.de>
1831
1832         PR tree-optimization/43572
1833         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1834
1835 2010-04-23  Richard Guenther  <rguenther@suse.de>
1836
1837         PR lto/43455
1838         * tree-inline.c (tree_can_inline_p): Also check compatibility
1839         of return types.
1840
1841 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1842
1843         PR tree-optimization/43846
1844         * tree-sra.c (struct access): New flag grp_assignment_read.
1845         (build_accesses_from_assign): Set grp_assignment_read.
1846         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1847         (enum mark_read_status): New type.
1848         (analyze_access_subtree): Propagate grp_assignment_read, create
1849         accesses also if both direct_read and root->grp_assignment_read.
1850
1851 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1852
1853         PR middle-end/43835
1854         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1855         function does not have type attributes.
1856
1857 2010-04-23  Richard Guenther  <rguenther@suse.de>
1858
1859         PR lto/42653
1860         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1861         of FUNCTION_DECLs.
1862
1863 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1864
1865         * sese.h (create_if_region_on_edge): Remove.
1866
1867         * sese.c (create_if_region_on_edge): Make static.
1868
1869         * tree-inline.c: Do not include ggc.h.
1870
1871         * expr.c: Do not include ggc.h.
1872
1873         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1874         dependencies.
1875
1876 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1877
1878         PR target/43744
1879         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1880         in the middle of insns for casesi_worker_2.
1881
1882 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1883
1884         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1885
1886 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1887
1888         PR tree-optimization/43842
1889         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1890         loop unrolling in update of exit phis. Fix comment.
1891         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1892         least two reduction statements in the loop before starting SLP
1893         analysis.
1894
1895 2010-04-22  Nick Clifton  <nickc@redhat.com>
1896
1897         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1898
1899 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1900
1901         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1902         to simplify a + ~a.
1903
1904 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1905
1906         * tree-parloops.c (loop_parallel_p): New argument
1907         parloop_obstack.  Pass it down.
1908         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1909         pass it down, free it.
1910
1911         * tree-loop-linear.c (linear_transform_loops): Pass down
1912         lambda_obstack.
1913
1914         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1915         of type struct obstack *.
1916
1917         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1918         scratch_obstack.  Initialize it, pass down, free it.
1919
1920         * lambda.h (lambda_loop_new): Remove.
1921         (lambda_matrix_new, lambda_matrix_inverse)
1922         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1923         argument of type struct obstack *.
1924
1925         * lambda-trans.c (lambda_trans_matrix_new): New argument
1926         lambda_obstack.  Pass it down, use obstack allocation for ret.
1927         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1928         it down.
1929
1930         * lambda-mat.c (lambda_matrix_get_column)
1931         (lambda_matrix_project_to_null): Remove.
1932         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1933         allocation for mat.
1934         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1935         lambda_obstack.
1936
1937         * lambda-code.c (lambda_loop_new): New function.
1938         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1939         (lambda_compute_auxillary_space, lambda_compute_target_space)
1940         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1941         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1942         (build_access_matrix): New argument lambda_obstack.  Use obstack
1943         allocation for am.
1944         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1945         argument lambda_obstack.  Pass it down.
1946
1947 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1948
1949         * optabs.h (expand_widening_mult): Declare.
1950
1951 2010-04-22  Richard Guenther  <rguenther@suse.de>
1952
1953         PR tree-optimization/43845
1954         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1955         lookup the CALL_EXPR function and arguments.
1956
1957 2010-04-22  Nick Clifton  <nickc@redhat.com>
1958
1959         * config/stormy16/stormy16.c
1960         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1961         * config/stormy16/stormy16.h: Tidy up formatting.
1962         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1963         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1964         (ineqbranchsi): Delete pattern.
1965         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1966         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1967         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1968         stormy16-lib2-ucmpsi2.c.
1969
1970 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1971
1972         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1973         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1974         extra set merge_set_noclobber, and use it to relax the final test
1975         slightly.
1976         * df.h (df_simulate_find_noclobber_defs): Declare.
1977         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1978         conditional defs.
1979         (df_simulate_find_noclobber_defs): New function.
1980
1981 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1982
1983         * config/i386/i386.md: Use {} around multi-line preparation statements.
1984
1985 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1986
1987         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1988         (process_init_element): New argument of type struct obstack *.
1989
1990         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1991         (set_init_index, set_init_label, set_nonincremental_init)
1992         (set_nonincremental_init_from_string, find_init_member)
1993         (output_init_element, output_pending_init_elements)
1994         (process_init_element): New argument braced_init_obstack.  Pass it
1995         down.
1996         (push_range_stack, add_pending_init): New argument
1997         braced_init_obstack.  Use obstack allocation.
1998
1999         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2000         braced_init_obstack.  Pass it down.
2001         (c_parser_braced_init): New variables ret, braced_init_obstack.
2002         Initialize obstack, pass it down and finally free it.
2003
2004 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2005
2006         PR middle-end/29274
2007         * tree-pass.h (pass_optimize_widening_mul): Declare.
2008         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2009         gate_optimize_widening_mul): New static functions.
2010         (pass_optimize_widening_mul): New.
2011         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2012         <case MULT_EXPR>: Remove support for widening multiplies.
2013         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2014         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2015         simplify_gen_unary rather than directly building extensions.
2016         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2017         WIDEN_MULT_EXPR.
2018         * expmed.c (expand_widening_mult): New function.
2019         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2020
2021 2010-04-21  Jan Hubicka  <jh@suse.cz>
2022
2023         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2024         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2025         * lto-wpa-fixup.c: Remove.
2026         * Makefile.in (lto-wpa-fixup.o): Remove.
2027         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2028         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2029         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2030
2031 2010-04-21  Jan Hubicka  <jh@suse.cz>
2032
2033         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2034         add write_optimization_summary, read_optimization_summary.
2035         (ipa_write_summaries_of_cgraph_node_set): Remove.
2036         (ipa_write_optimization_summaries): Declare.
2037         (ipa_read_optimization_summaries): Declare.
2038         * ipa-cp.c (pass_ipa_cp): Update.
2039         * ipa-reference.c (pass_ipa_reference): Update.
2040         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2041         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2042         Update.
2043         * ipa-inline.c (pass_ipa_inline): Update.
2044         * ipa.c (pass_ipa_whole_program): Update.
2045         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2046         * passes.c (ipa_write_summaries_1): Do not test wpa.
2047         (ipa_write_optimization_summaries_1): New.
2048         (ipa_write_optimization_summaries): New.
2049         (ipa_read_summaries): Do not test ltrans.
2050         (ipa_read_optimization_summaries_1): New.
2051         (ipa_read_optimization_summaries): New.
2052
2053 2010-04-21  Jan Hubicka  <jh@suse.cz>
2054
2055         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2056         for boundary nodes.
2057         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2058
2059 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2060
2061         PR debug/40040
2062         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2063         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2064
2065 2010-04-21  Jan Hubicka  <jh@suse.cz>
2066
2067         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2068
2069 2010-04-21  Jan Hubicka  <jh@suse.cz>
2070
2071         * varpool.c (decide_is_variable_needed): Variable is always needed
2072         during ltrans.
2073
2074 2010-04-21  Jan Hubicka  <jh@suse.cz>
2075
2076         * opts.c (decode_options): Enable pure-const pass for whopr.
2077
2078 2010-04-21  Jan Hubicka  <jh@suse.cz>
2079
2080         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2081         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2082         at WPA dumping.
2083         (cgraph_decide_inlining): Do not expect callee to be removed in all
2084         cases.
2085
2086 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2087
2088         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2089
2090 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2091
2092         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2093         amdfam10_decode attributes.
2094
2095 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2096
2097         PR middle-end/43570
2098         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2099         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2100         (lower_copyprivate_clauses): Use private var in outer
2101         context instead of original var.  Make sure the types
2102         are correct for VLAs.
2103
2104 2010-04-21  Richard Guenther  <rguenther@suse.de>
2105
2106         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2107         to non-pointer objects.
2108
2109 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2110
2111         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2112         last chain entry if it starts with the still current label.
2113         (add_location_or_const_value_attribute): Check that
2114         loc_list->first->next is NULL instead of comparing ->first with ->last.
2115         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2116         to add_var_loc_to_decl.
2117
2118         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2119         >= 4 add also address size and segment size fields into CIE header.
2120
2121         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2122         long as address size is the same as sizeof (void *) and
2123         segment size is 0.
2124         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2125         address size or segment size is unexpected, return DW_EH_PE_omit.
2126         (classify_object_over_fdes): If get_cie_encoding returned
2127         DW_EH_PE_omit, return -1.
2128         (init_object): If classify_object_over_fdes returned -1,
2129         pretend there were no FDEs at all.
2130
2131 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2132
2133         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2134         bswap{si,di}2 using SWI48 mode iterator.
2135         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2136         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2137         set modrm attribute of bswap insn to 0 and remove length attribute.
2138         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2139         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2140         set mode attribute to <MODE> and remove length attribute.
2141
2142 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2143
2144         PR rtl-optimization/43520
2145         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2146         zero available registers.
2147
2148 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2149
2150         * builtins.c (fold_builtin_cproj): Fold more cases.
2151
2152 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2153
2154         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2155         (fold_builtin_1): Fold builtin cproj.
2156         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2157         Use ATTR_CONST_NOTHROW_LIST.
2158
2159 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2160
2161         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2162         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2163         ffsi2_no_cmove for !TARGET_CMOVE.
2164         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2165         (ffssi2): Remove expander.
2166         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2167         mode iterator.
2168         (ctz<mode>2): Ditto from ctz{si,di}2.
2169         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2170         mode iterator.
2171         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2172         mode iterator.
2173
2174 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2175
2176         * dwarf2out.c (AT_linkage_name): Define.
2177         (clone_as_declaration): Handle DW_AT_linkage_name.
2178         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2179         of DW_AT_MIPS_linkage_name.
2180         (move_linkage_attr): Likewise.
2181         (dwarf2out_finish): Likewise.
2182
2183 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2184
2185         PR middle-end/41952
2186         * fold-const.c (fold_comparison): New folding rule.
2187
2188 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2189
2190         * double-int.h (double_int_setbit): Declare.
2191         * double-int.c (double_int_setbit): New function.
2192         * rtl.h (immed_double_int_const): Declare.
2193         * emit-rtl.c (immed_double_int_const): New function.
2194         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2195         and immed_double_int_const functions.
2196         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2197         expand_copysign_bit):  (Ditto.).
2198         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2199         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2200         * dojump.c (prefer_and_bit_test): (Ditto.).
2201         * expr.c (convert_modes, reduce_to_bit_field_precision,
2202         const_vector_from_tree): (Ditto.).
2203         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2204
2205 2010-04-20  Jan Hubicka  <jh@suse.cz>
2206
2207         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2208         (dump_cgraph_node): Dump new flags.
2209         * cgraph.h (struct cgraph_node): Add flags
2210         reachable_from_other_partition and in_other_partition.
2211         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2212         other partition can not be removed.
2213         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2214         the other partition must be output; silence sanity checking on
2215         leaking functions bodies from other paritition.
2216         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2217         (lto_output_node): Output new flags; do not sanity check that inline
2218         clones are output; drop lto_forced_extern_inline_p code; do not mock
2219         visibility flags at partition boundaries.
2220         (add_node_to): New function.
2221         (output_cgraph): Use it to sort functions so masters appear before
2222         clones.
2223         (input_overwrite_node): Input new flags.
2224         * passes.c (ipa_write_summaries): Do not call
2225         lto_new_extern_inline_states.
2226         * lto-section-out.c (forced_extern_inline,
2227         lto_new_extern_inline_states lto_delete_extern_inline_states,
2228         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2229         * lto-streamer.h (lto_new_extern_inline_states,
2230         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2231         lto_forced_extern_inline_p): Kill.
2232
2233 2010-04-20  Richard Guenther  <rguenther@suse.de>
2234
2235         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2236         from vars that can have pointers.
2237         (process_constraint): Dump useless constraints.
2238
2239 2010-04-20  Richard Guenther  <rguenther@suse.de>
2240
2241         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2242         (dump_sa_points_to_info): Remove asserts.
2243         (init_base_vars): nothing_id isn't an escape point nor does it
2244         have pointers.
2245
2246 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2247
2248         * tree.h (TYPE_REF_IS_RVALUE): Define.
2249         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2250         should_move_die_to_comdat, prune_unused_types_walk): Handle
2251         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2252         (modified_type_die, gen_reference_type_die): Emit
2253         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2254         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2255
2256 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2257
2258         PR target/43635
2259         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2260         calls for -fpic -m31 if they have been sibcall optimized.
2261
2262 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2263
2264         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2265         ar.lc fixed and call-used.
2266
2267         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2268
2269 2010-04-19  Jan Hubicka  <jh@suse.cz>
2270
2271         * opts.c (decode_options): Disable whpr incompatible passes.
2272         * lto/lto.c (lto_1_to_1_map): Skip clones.
2273         (read_cgraph_and_symbols): Do not mark everything as needed.
2274         (do_whole_program_analysis): Do map only after optimizing;
2275         set proper cgraph_state; use passmanager.
2276
2277 2010-04-19  DJ Delorie  <dj@redhat.com>
2278
2279         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2280         POINTER_PLUS_EXPR and fix them.
2281
2282 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2283
2284         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2285         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2286         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2287         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2288         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2289         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2290         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2291         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2292         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2293         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2294         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2295
2296 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2297
2298         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2299         (check_cond_move_block): Likewise.
2300         (cond_move_process_if_block): Likewise.
2301         (noce_find_if_block): Improve formatting.
2302         (find_if_header): Pass 0 to memset and tweak conditions.
2303         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2304
2305 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2306
2307         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2308         for -gdwarf-4.
2309
2310         PR middle-end/43337
2311         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2312         with non-local decl doesn't need chain.
2313
2314 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2315
2316         * ira-color.c (allocno_reload_assign): Avoid accumulating
2317         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2318
2319 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2320
2321         * gimple.h (create_tmp_reg): Declare.
2322         * gimplify.c (create_tmp_reg): New function.
2323         (gimplify_return_expr): Use create_tmp_reg.
2324         (gimplify_omp_atomic): Likewise.
2325         (gimple_regimplify_operands): Likewise.
2326         * tree-dfa.c (make_rename_temp): Likewise.
2327         * tree-predcom.c (predcom_tmp_var): Likewise.
2328         (reassociate_to_the_same_stmt): Likewise.
2329         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2330         (get_replaced_param_substitute): Likewise.
2331         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2332         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2333         * tree-ssa-pre.c (get_representative_for): Likewise.
2334         (create_expression_by_pieces): Likewise.
2335         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2336         (create_tailcall_accumulator): Likewise.
2337
2338 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2339
2340         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2341         new_stmt.
2342         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2343
2344 2010-04-19  Richard Guenther  <rguenther@suse.de>
2345
2346         PR tree-optimization/43796
2347         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2348         from SCEV in the lattice.
2349         (vrp_visit_phi_node): Dump change.
2350
2351 2010-04-19  Richard Guenther  <rguenther@suse.de>
2352
2353         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2354         * configure: Re-generated.
2355
2356 2010-04-19  Richard Guenther  <rguenther@suse.de>
2357
2358         PR tree-optimization/43783
2359         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2360         constant ARRAY_REF operands two and three if possible.
2361
2362 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2363
2364         PR target/43766
2365         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2366
2367 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2368
2369         PR target/43662
2370         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2371
2372 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2373
2374         PR tree-optimization/37027
2375         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2376         and macro to access it.
2377         (vectorizable_reduction): Add argument.
2378         (vect_get_slp_defs): Likewise.
2379         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2380         statements for possible use in SLP.
2381         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2382         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2383         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2384         add new argument.
2385         (vectorizable_reduction): Likewise.
2386         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2387         vect_get_slp_defs.
2388         (vectorizable_type_demotion, vectorizable_type_promotion,
2389         vectorizable_store): Likewise.
2390         (vect_analyze_stmt): Update call to vectorizable_reduction.
2391         (vect_transform_stmt): Likewise.
2392         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2393         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2394         from different interleaving chains in same node.
2395         (vect_slp_rearrange_stmts): New function.
2396         (vect_supported_load_permutation_p): Allow load permutations for
2397         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2398         inside SLP nodes if necessary.
2399         (vect_analyze_slp_instance): Handle reductions.
2400         (vect_analyze_slp): Try to build SLP instances originating from groups
2401         of reductions.
2402         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2403         (vect_get_constant_vectors): Create initial vectors for reductions
2404         according to reduction code. Add new argument.
2405         (vect_get_slp_defs): Add new argument, pass it to
2406         vect_get_constant_vectors.
2407         (vect_schedule_slp_instance): Remove SLP tree root statements.
2408
2409 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2410
2411         * tree.h (ENUM_IS_SCOPED): Define.
2412         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2413         for ENUM_IS_SCOPED enums.
2414
2415 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2416
2417         * fold-const.c (fold_comparison): Use ssizetype.
2418         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2419         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2420         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2421         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2422
2423         * tree.h (initialize_sizetypes): Remove parameter.
2424         (build_common_tree_nodes): Remove second parameter.
2425         * stor-layout.c (initialize_sizetypes): Remove parameter.
2426         Always create an unsigned type.
2427         (set_sizetype): Assert that the passed type is unsigned and simplify.
2428         * tree.c (build_common_tree_nodes): Remove second parameter.
2429         Adjust call to initialize_sizetypes.
2430         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2431         build_common_tree_nodes.
2432
2433 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2434
2435         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2436
2437 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2438
2439         PR tree-optimization/43771
2440         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2441         load permutation doesn't have gaps.
2442
2443 2010-04-18  Jan Hubicka  <jh@suse.cz>
2444
2445         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2446         (sse_prologue_save_insn expander): Use new pattern.
2447         (sse_prologue_save_insn1): New pattern and splitter.
2448         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2449         blocks.
2450         * i386.c (setup_incoming_varargs_64): Do not compute jump
2451         destination here.
2452         (ix86_gimplify_va_arg): Update alignment needed.
2453         (ix86_local_alignment): Do not align all local arrays to 128bit.
2454
2455 2010-04-17  Jan Hubicka  <jh@suse.cz>
2456
2457         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2458
2459 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2460
2461         * arm.md (negdi2): Remove redundant code to force values into a
2462         register.
2463
2464 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2465
2466         * arm/bpabi.S: Add EABI alignment attributes to objects.
2467         * arm/bpabi-v6m.S: Likewise.
2468         * arm/crti.asm: Likewise.
2469         * arm/crtn.asm: Likewise.
2470         * arm/lib1funcs.asm: Likewise.
2471         * arm/libunwind.S: Likewise.
2472
2473 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2474
2475         * arm-protos.h (tune_params): New structure.
2476         * arm.c (current_tune): New variable.
2477         (arm_constant_limit): Delete.
2478         (struct processors): Add pointer to the tune parameters.
2479         (arm_slowmul_tune): New tuning option.
2480         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2481         (all_cores): Adjust to pick up the tuning model.
2482         (arm_constant_limit): New function.
2483         (arm_override_options): Select the appropriate tuning model.  Delete
2484         initialization of arm_const_limit.
2485         (arm_split_constant): Use the new constant-limit model.
2486         (arm_rtx_costs): Pick up the current tuning model.
2487         * arm.md (is_strongarm, is_xscale): Delete.
2488         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2489         for Xscale variant architectures.
2490         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2491
2492 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2493
2494         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2495         can_shift.
2496         (arm_rtx_costs_1): Remove unused variable extra_cost.
2497         (arm_unwind_emit_set): Use variable offset.
2498         (thumb1_output_casesi): Remove unused variable flags.
2499
2500 2010-04-16  Jeff Law  <law@redhat.com>
2501
2502         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2503         needing assignment rather than doing a two-phase assignment.  Remove
2504         unused variable 'm'.
2505
2506 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2507
2508         PR bootstrap/43767
2509         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2510
2511 2010-04-16  Doug Kwan  <dougkwan@google.com>
2512
2513         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2514         (next_operand_entry_id): New static variable.
2515         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2516         (add_to_ops_vec): Assigned unique ID to operand entry.
2517         (struct oecount_s): New field ID.
2518         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2519         (undistribute_ops_list): Assign unique IDs to oecounts.
2520         (init_reassoc): reset next_operand_entry_id.
2521
2522 2010-04-16  Doug Kwan  <dougkwan@google.com>
2523
2524         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2525         missing left parenthesis.
2526
2527 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2528
2529         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2530         *btdi_rex64 using SWI48 mode iterator.
2531         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2532         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2533         *jcc_btdi_mask_rex64.
2534
2535 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2536
2537         * double-int.h (tree_to_double_int): Convert to macro.
2538         * double-int.c (tree_to_double_int): Remove.
2539
2540 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2541
2542         PR debug/43762
2543         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2544         with want_address 2 and in case a single element list might be
2545         possible, call it again with want_address 0.
2546
2547 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2548
2549         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2550         case 'W' print operands for HI mode.
2551         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2552         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2553         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2554         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2555
2556         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2557
2558         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2559         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2560         #xx:3 and #xx:4 mode.
2561
2562         * config/h8300/h8300.md (inverted load with HImode dest): Add
2563         support for H8300SX.
2564
2565         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2566         satisfy 'U' constraint.
2567
2568 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2569
2570         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2571         * configure: Regenerate.
2572         * config.in: Regenerate.
2573         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2574         works.
2575
2576 2010-04-16  Richard Guenther  <rguenther@suse.de>
2577
2578         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2579         (struct tree_decl_common): ... here.
2580         (DECL_PT_UID): Adjust.
2581         (SET_DECL_PT_UID): Likewise.
2582         (DECL_PT_UID_SET_P): Likewise.
2583
2584 2010-04-16  Richard Guenther  <rguenther@suse.de>
2585
2586         PR tree-optimization/43572
2587         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2588         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2589         * tree-flow.h (is_call_clobbered): Remove.
2590         * tree-flow-inline.h (is_call_clobbered): Likewise.
2591         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2592         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2593         (execute_return_slot_opt): Adjust.
2594         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2595         check for call clobbered vars here.
2596         (find_tail_calls): Move tailcall verification to the
2597         proper place.
2598
2599 2010-04-16  Diego Novillo  <dnovillo@google.com>
2600
2601         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2602
2603 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2604
2605         PR target/40603
2606         * config/arm/arm.md (cbranchqi4): New pattern.
2607         * config/arm/predicates.md (const0_operand,
2608         cbranchqi4_comparison_operator): New predicates.
2609
2610 2010-04-16  Richard Guenther  <rguenther@suse.de>
2611
2612         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2613         (dump_gimple_stmt): Likewise.
2614
2615 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2616
2617         * recog.h (struct recog_data): New field is_operator.
2618         (struct insn_operand_data): New field is_operator.
2619         * recog.c (extract_insn): Set recog_data.is_operator.
2620         * genoutput.c (output_operand_data): Emit code to set the
2621         is_operator field.
2622         * reload.c (find_reloads): Use it rather than testing for an
2623         empty constraint string.
2624
2625         PR target/41514
2626         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2627         If the previous insn is a cbranchsi4_insn with the same arguments,
2628         omit the compare instruction.
2629
2630         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2631         register, inputs must be low registers and we need a low register
2632         scratch.  Handle alternative 2 like alternative 3.
2633
2634 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2635
2636         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2637         don't call get_addr on both.  If one expression is a VALUE and
2638         the other a REG, check VALUE's locs if the REG isn't among them.
2639
2640 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2641
2642         * config/sh/sh.h (sh_frame_pointer_required): New function.
2643         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2644         (flag_omit_frame_pointer) Set.
2645         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2646         (rounded_frame_size): Adjust size with outgoing_args_size.
2647         (sh_set_return_address): Must return from stack pointer.
2648         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2649         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2650         (ACCUMULATE_OUTGOING_ARGS): Define.
2651         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2652         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2653
2654 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2655
2656         PR target/43471
2657         * config/sh/sh.c (sh_legitimize_reload_address): Use
2658         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2659         Remove a unneeded check for offset_base.
2660
2661 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2662
2663         * configure: Regenerated.
2664
2665 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2666
2667         * config/s390/s390.c (s390_call_save_register_used): Switch back
2668         to HARD_REGNO_NREGS.
2669
2670 2010-04-15  Richard Guenther  <rguenther@suse.de>
2671
2672         * alias.c (alias_set_subset_of): Handle alias-set zero
2673         child properly.
2674
2675 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2676             Julian Brown  <julian@codesourcery.com>
2677
2678         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2679         alternatives according to use of high and low regs.
2680         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2681         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2682         optimizing for size on Thumb-2.
2683
2684 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2685
2686         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2687
2688 2010-04-15  Richard Guenther  <rguenther@suse.de>
2689
2690         * tree-ssa-structalias.c (struct variable_info): Add
2691         is_fn_info flag.
2692         (new_var_info): Initialize it.
2693         (dump_constraints): Support printing last added constraints.
2694         (debug_constraints): Adjust.
2695         (dump_constraint_graph): Likewise.
2696         (make_heapvar_for): Check for NULL cfun.
2697         (get_function_part_constraint): New function.
2698         (get_fi_for_callee): Likewise.
2699         (find_func_aliases): Properly implement IPA PTA constraints.
2700         (process_ipa_clobber): New function.
2701         (find_func_clobbers): Likewise.
2702         (insert_into_field_list_sorted): Remove.
2703         (create_function_info_for): Properly allocate vars for IPA mode.
2704         Do not use insert_into_field_list_sorted.
2705         (create_variable_info_for): Properly generate constraints for
2706         global vars in IPA mode.
2707         (dump_solution_for_var): Always dump the solution.
2708         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2709         (find_what_var_points_to): Adjust.
2710         (pt_solution_set): Change.
2711         (pt_solution_ior_into): New function.
2712         (pt_solution_empty_p): Export.
2713         (pt_solution_includes_global): Adjust.
2714         (pt_solution_includes_1): Likewise.
2715         (pt_solutions_intersect_1): Likewise.
2716         (dump_sa_points_to_info): Check some invariants.
2717         (solve_constraints): Move constraint dumping ...
2718         (compute_points_to_sets): ... here.
2719         (ipa_pta_execute): ... and here.
2720         (compute_may_aliases): Do not re-compute points-to info
2721         locally if IPA info is available.
2722         (ipa_escaped_pt): New global var.
2723         (ipa_pta_execute): Properly implement IPA PTA.
2724         * tree-into-ssa.c (dump_decl_set): Support dumping
2725         decls not in referenced-vars.
2726         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2727         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2728         (dump_points_to_solution): Likewise.
2729         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2730         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2731         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2732         (copy_decl_to_var): Copy DECL_PT_UID.
2733         (copy_result_decl_to_var): Likewise.
2734         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2735         (copy_node_stat): Copy it.
2736         * tree.h (DECL_PT_UID): New macro.
2737         (SET_DECL_PT_UID): Likewise.
2738         (DECL_PT_UID_SET_P): Likewise.
2739         (struct tree_decl_minimal): Add pt_uid member.
2740         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2741         (pt_solution_empty_p): Declare.
2742         (pt_solution_set): Adjust.
2743         (ipa_escaped_pt): Declare.
2744         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2745         * gimple-pretty-print.c (pp_points_to_solution): New function.
2746         (dump_gimple_call): Dump call clobber/use information.
2747         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2748         * tree-pass.h (TDF_ALIAS): New dump option.
2749         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2750         * doc/invoke.texi (-fipa-pta): Update documentation.
2751
2752 2010-04-15  Richard Guenther  <rguenther@suse.de>
2753
2754         * Makefile.in (OBJS-common): Add gimple-fold.o.
2755         (gimple-fold.o): New rule.
2756         * tree.h (maybe_fold_offset_to_reference,
2757         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2758         prototypes ...
2759         * gimple.h: ... here.
2760         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2761         may_propagate_address_into_dereference): Move prototypes ...
2762         * gimple.h: ... here.
2763         * tree-ssa-ccp.c (get_symbol_constant_value,
2764         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2765         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2766         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2767         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2768         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2769         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2770         gimplify_and_update_call_from_tree): Move ...
2771         * gimple-fold.c: ... here.  New file.
2772         (ccp_fold_builtin): Rename to ...
2773         (gimple_fold_builtin): ... this.
2774         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2775
2776 2010-04-15  Richard Guenther  <rguenther@suse.de>
2777
2778         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2779         fit_double_type, force_fit_type_double, add_double_with_sign,
2780         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2781         lrotate_double, rrotate_double, div_and_round_double): Move ...
2782         * double-int.c: ... here.
2783         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2784         add_double, neg_double, mul_double_with_sign, mul_double,
2785         lshift_double, rshift_double, lrotate_double, rrotate_double,
2786         div_and_round_double): Move prototypes ...
2787         * double-int.h: ... here.
2788
2789 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2790
2791         PR target/43742
2792         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2793         matching constraints to ensure inputs match the output.
2794
2795 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2796
2797         PR target/43742
2798         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2799         in an input-only operand.
2800
2801 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2802
2803         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2804         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2805         (double_int_negative_p): Convert to static inline function.
2806         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2807         (double_int_negative_p): Remove.
2808         * tree.h (lshift_double, rshift_double):
2809         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2810         * fold-const.c (fold_convert_const_int_from_real,
2811         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2812         (lshift_double): Change type of arith argument to bool.
2813         (rshift_double): Change type of arith argument to bool. Correct
2814         comment.
2815         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2816
2817 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2818
2819         PR target/21803
2820         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2821         at the start and end of the then/else blocks, and omit them from the
2822         conversion.
2823         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2824         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2825         (flow_find_head_matching_sequence): New function.
2826         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2827         * basic-block.h (flow_find_cross_jump,
2828         flow_find_head_matching_sequence): Declare functions.
2829
2830 2010-04-14  Jason Merrill  <jason@redhat.com>
2831
2832         PR c++/36625
2833         * c-common.c (attribute_takes_identifier_p): New fn.
2834         * c-common.h: Declare it.
2835
2836 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2837
2838         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2839         splitter condition.
2840         (*udivmod<mode>4): Ditto.
2841
2842 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2843
2844         * config/i386/i386.md (maxmin_int): Rename code attribute from
2845         maxminiprefix and update all users.
2846         (maxmin_float): Ditto from maxminfprefix.
2847         (logic): Ditto from logicprefix.
2848         (absneg_mnemonic): Ditto from absnegprefix.
2849         * config/i386/mmx.md: Update all users of maxminiprefix,
2850         maxminfprefix and logicprefix for rename.
2851         * config/i386/sse.md: Ditto.
2852         * config/i386/sync.md (sync_<code><mode>): Update for
2853         logicprefix rename.
2854
2855 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2856
2857         PR 42966
2858         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2859         warnings converted to errors.
2860
2861 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2862
2863         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2864         used insn_type variable.
2865         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2866         to avoid set-but-not-used warning.
2867
2868 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2869
2870         * df-core.c (df_ref_debug): Change format string placeholder
2871         from 0x%x to %#x.
2872         * dwarf2asm.c (dw2_asm_output_data_raw,
2873         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2874         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2875         * dwarf2out.c (output_cfi, output_cfi_directive,
2876         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2877         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2878         Ditto.
2879         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2880         * print-rtl.c (print_rtx): Ditto.
2881
2882 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2883
2884         PR middle-end/42694
2885         * builtins.c (expand_builtin_pow_root): New function to expand pow
2886         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2887         series of sqrt and cbrt calls under -ffast-math.
2888         (expand_builtin_pow): Call it.
2889
2890 2010-04-14  Michael Matz  <matz@suse.de>
2891
2892         PR tree-optimization/42963
2893         * tree-cfg.c (touched_switch_bbs): New static variable.
2894         (group_case_labels_stmt): New function broken out from ...
2895         (group_case_labels): ... here, use the above.
2896         (start_recording_case_labels): Allocate touched_switch_bbs.
2897         (end_recording_case_labels): Deallocate it, call
2898         group_case_labels_stmt.
2899         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2900
2901 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2902
2903         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2904         from insn template.
2905
2906 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2907
2908         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2909
2910 2010-04-13  Jan Hubicka  <jh@suse.cz>
2911
2912         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2913         of optimized out static functions.
2914         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2915         cost computation.  Also sanity check for overflows.
2916         (update_caller_keys): Update cgraph_edge_badness call; properly
2917         update fibheap and sanity check that it is up to date.
2918         (add_new_edges_to_heap): Update cgraph_edge_badness.
2919         (cgraph_decide_inlining_of_small_function): Likewise;
2920         add sanity checking that badness in heap is up to date;
2921         improve dumping of reason; Update badness of calls to the
2922         offline copy of function currently inlined; dump badness
2923         of functions not inlined because of unit growth limits.
2924
2925 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2926
2927         PR middle-end/32628
2928         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2929         because of sign-extension change when converting to sizetype here...
2930         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2931
2932         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2933         the folding to constants.  Remove redundant final conversion.
2934         (fold_binary) <associate>: Do not associate if the re-association of
2935         constants alone overflows.
2936         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2937         to the end of the list.
2938         (multiple_of_p) <COND_EXPR>: New case.
2939
2940 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2941
2942         * opt-functions.awk (opt_sanitized_name): New.
2943         (opt_enum): New.
2944         * optc-gen.awk: Use it
2945         * opth-gen.awk: Use it.
2946
2947 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2948
2949         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2950         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2951         children.  Call replace_uses_with_default_def_ssa_name to handle
2952         SSA_NAES on lhs.
2953
2954 2010-04-13  Michael Matz  <matz@suse.de>
2955
2956         PR middle-end/43730
2957         * builtins.c (expand_builtin_interclass_mathfn): Also create
2958         a register if the predicate doesn't match.
2959
2960 2010-04-13  Diego Novillo  <dnovillo@google.com>
2961
2962         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2963         * c-pch.c: Include timevar.h.
2964         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2965         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2966         * ggc-common.c: Include timevar.h.
2967         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2968         * timevar.def (TV_PCH_SAVE): Define.
2969         (TV_PCH_CPP_SAVE): Define.
2970         (TV_PCH_PTR_REALLOC): Define.
2971         (TV_PCH_PTR_SORT): Define.
2972         (TV_PCH_RESTORE): Define.
2973         (TV_PCH_CPP_RESTORE): Define.
2974
2975 2010-04-13  Michael Matz  <matz@suse.de>
2976
2977         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2978         into MINUS_EXPRs.
2979         (can_reassociate_p): New function.
2980         (break_up_subtract_bb, reassociate_bb): Use it.
2981
2982 2010-04-13  Richard Guenther  <rguenther@suse.de>
2983
2984         PR bootstrap/43737
2985         * builtins.c (c_readstr): Fix assert.
2986
2987 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2988
2989         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2990         when generating cltd insn.
2991
2992         (*ashl<mode>3_1): Remove special handling for register operand 2.
2993         (*ashlsi3_1_zext): Ditto.
2994         (*ashlhi3_1): Ditto.
2995         (*ashlhi3_1_lea): Ditto.
2996         (*ashlqi3_1): Ditto.
2997         (*ashlqi3_1_lea): Ditto.
2998         (*<shiftrt_insn><mode>3_1): Ditto.
2999         (*<shiftrt_insn>si3_1_zext): Ditto.
3000         (*<shiftrt_insn>qi3_1_slp): Ditto.
3001         (*<rotate_insn><mode>3_1): Ditto.
3002         (*<rotate_insn>si3_1_zext): Ditto.
3003         (*<rotate_insn>qi3_1_slp): Ditto.
3004
3005 2010-04-13  Richard Guenther  <rguenther@suse.de>
3006
3007         * tree-ssa-structalias.c (callused_id): Remove.
3008         (call_stmt_vars): New.
3009         (get_call_vi): Likewise.
3010         (lookup_call_use_vi): Likewise.
3011         (lookup_call_clobber_vi): Likewise.
3012         (get_call_use_vi): Likewise.
3013         (get_call_clobber_vi): Likewise.
3014         (make_transitive_closure_constraints): Likewise.
3015         (handle_const_call): Adjust to do per-call call-used handling.
3016         (handle_pure_call): Likewise.
3017         (find_what_var_points_to): Remove general callused handling.
3018         (init_base_vars): Likewise.
3019         (init_alias_vars): Initialize call_stmt_vars.
3020         (compute_points_to_sets): Process call-used and call-clobbered
3021         vars for call statements.
3022         (delete_points_to_sets): Free call_stmt_vars.
3023
3024 2010-04-13  Richard Guenther  <rguenther@suse.de>
3025
3026         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3027         Only add RW dependence for dependence distance zero.
3028         Adjust maximal vectorization factor according to dependences.
3029         Move alignment handling ...
3030         (vect_find_same_alignment_drs): ... here.  New function.
3031         (vect_analyze_data_ref_dependences): Adjust.
3032         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3033         (vect_analyze_data_refs): Adjust minimal vectorization factor
3034         according to data references.
3035         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3036         dependences before determining the vectorization factor.
3037         Analyze alignment after determining the vectorization factor.
3038         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3039         dependences before alignment.
3040         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3041         Adjust prototype.
3042         (vect_analyze_data_refs): Likewise.
3043         (MAX_VECTORIZATION_FACTOR): New define.
3044
3045 2010-04-13  Duncan Sands  <baldrick@free.fr>
3046
3047         * except.h (lang_eh_type_covers): Remove.
3048         * except.c (lang_eh_type_covers): Likewise.
3049
3050 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3051             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3052
3053         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3054         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3055         UNITS_PER_LONG where it is ABI relevant.
3056         (s390_return_addr_rtx): Likewise.
3057         (s390_back_chain_rtx): Likewise.
3058         (s390_frame_area): Likewise.
3059         (s390_frame_info): Likewise.
3060         (s390_initial_elimination_offset): Likewise.
3061         (save_gprs): Likewise.
3062         (s390_emit_prologue): Likewise.
3063         (s390_emit_epilogue): Likewise.
3064         (s390_function_arg_advance): Likewise.
3065         (s390_function_arg): Likewise.
3066         (s390_va_start): Likewise.
3067         (s390_gimplify_va_arg): Likewise.
3068         (s390_function_profiler): Likewise.
3069         (s390_optimize_prologue): Likewise.
3070         (s390_rtx_costs): Likewise.
3071         (s390_secondary_reload): Likewise.
3072         (s390_promote_function_mode): Likewise.
3073         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3074         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3075         registers available.
3076         (s390_unwind_word_mode): New function.
3077         (s390_function_value): Split 64 bit values into register pair if
3078         used as return value.
3079         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3080         function call parameters.  Handle parallels.
3081         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3082         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3083         (DWARF_CIE_DATA_ALIGNMENT): New macro.
3084         (s390_expand_setmem): Remove unused variable src_addr.
3085         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3086         deal with 64 bit registers.
3087         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3088         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3089         (UNITS_PER_LONG): New macro.
3090         * libjava/include/s390-signal.h: Define extended ucontext
3091         structure containing the upper halfs of the 64 bit registers.
3092
3093 2010-04-13  Simon Baldwin  <simonb@google.com>
3094
3095         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3096
3097 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3098
3099         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3100         rvalue on the RHS if the LHS is of a non-renamable type.
3101         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3102
3103 2010-04-13  Matthias Klose  <doko@ubuntu.com>
3104
3105         * gcc.c (cc1_options): Handle -iplugindir before processing
3106         the cc1 spec. Only add -iplugindir once.
3107         (cpp_unique_options): Add -iplugindir option if -fplugin* options
3108         found.
3109         * common.opt (iplugindir): Remove `Separate' property, initialize.
3110         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3111         option.
3112         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3113         (distclean): Remove plugin dir.
3114         * doc/invoke.texi: Document -iplugindir.
3115
3116 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3117
3118         * doc/plugins.texi (Loading Plugins): Document short
3119         -fplugin=foo option.
3120         (Plugin API): Mention default_plugin_dir_name function.
3121
3122         * gcc.c (find_file_spec_function): Add new declaration.
3123         (static_spec_func): Use it for "find-file".
3124         (find_file_spec_function): Add new function.
3125         (cc1_options): Add -iplugindir option if -fplugin* options found.
3126
3127         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3128
3129         * plugin.c (add_new_plugin): Updated comment, and handle short
3130         plugin name.
3131         (default_plugin_dir_name): Added new function.
3132
3133         * common.opt (iplugindir): New option to set the plugin directory.
3134
3135 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3136
3137         * config/i386/i386.md (any_rotate): New code iterator.
3138         (rotate_insn): New code attribute.
3139         (rotate): Ditto.
3140         (SWIM124): New mode iterator.
3141         (<rotate_insn>ti3): New expander.
3142         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3143         any_rotate code iterator.
3144         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3145         using any_rotate code iterator and SWIM124 mode iterator.
3146         (ix86_rotlti3): New insn_and_split pattern.
3147         (ix86_rotrti3): Ditto.
3148         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3149         ix86_rotl{di,ti}3 patterns.
3150         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3151         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3152         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3153         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3154         code iterator and SWI mode iterator.
3155         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3156         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3157         code iterator.
3158         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3159         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3160         (bswap rotatert splitter): Add splitter.
3161         (bswap splitter): Macroize splitter using any_rotate code iterator.
3162         Add insn predicate to split only for TARGET_USE_XCHGB or when
3163         optimizing function for size.
3164
3165 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3166
3167         * config/pa/pa.c (emit_move_sequence): Remove use of
3168         deleted variable flag_argument_noalias.
3169
3170 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3171
3172         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3173         configurations.
3174         Add to unsupported targets list.
3175         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3176         sparc*-sun-solaris2.[567]* from target lists.
3177         * configure: Regenerate.
3178         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3179         removal.
3180         Remove Solaris 7 patch references.
3181         (Specific, sparc-sun-solaris2.7): Removed.
3182         (sparc-sun-solaris2*): Update Solaris 7 example.
3183         (sparc64-*-solaris2*): Likewise.
3184
3185 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3186
3187         * config.build (alpha*-dec-osf4*): Remove.
3188         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3189         of obsolete configurations.
3190         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3191         support.
3192         * config/alpha/t-osf4: Renamed to ...
3193         * config/alpha/t-osf5: ... this.
3194         * config/alpha/osf.h: Renamed to ...
3195         * config/alpha/osf5.h: ... this.
3196         Merged old osf5.h contents.
3197         Update comments.
3198         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3199         (EXTRA_SPECS): Removed.
3200         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3201         reflect removal of Tru64 UNIX V4.0/V5.0 support.
3202         Document that.
3203
3204 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3205
3206         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3207
3208 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3209
3210         PR/43702
3211         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3212         __thiscall convention.
3213
3214 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3215
3216         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3217         orig_base.
3218         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3219
3220 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3221
3222         * function.c (assign_parms_initialize_all): Add unused attribute
3223         to fntype.
3224
3225 2010-04-12  Richard Guenther  <rguenther@suse.de>
3226
3227         * gsstruct.def (GSS_CALL): New.
3228         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3229         * gimple.h: Include tree-ssa-alias.h.
3230         (struct gimple_statement_call): New.
3231         (union gimple_statement_struct_d): Add gimple_call member.
3232         (gimple_call_reset_alias_info): Declare.
3233         (gimple_call_use_set): New function.
3234         (gimple_call_clobber_set): Likewise.
3235         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3236         * gimple.c (gimple_call_reset_alias_info): New function.
3237         (gimple_build_call_1): Call it.
3238         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3239         * tree-inline.c (remap_gimple_stmt): Likewise.
3240         (expand_call_inline): Remove callused handling.
3241         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3242         * tree-dfa.c (dump_variable): Likewise.
3243         * tree-parloops.c (parallelize_loops): Likewise.
3244         * tree-ssa.c (init_tree_ssa): Likewise.
3245         (delete_tree_ssa): Likewise.
3246         * tree-flow-inline.h (is_call_used): Remove.
3247         * tree-flow.h (struct gimple_df): Remove callused member.
3248         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3249         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3250         (ref_maybe_used_by_call_p_1): Simplify.
3251         (call_may_clobber_ref_p_1): Likewise.
3252         * tree-ssa-structalias.c (compute_points_to_sets): Set
3253         the call stmt used and clobbered sets.
3254         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3255         (find_tail_calls): Verify the tail call.
3256
3257 2010-04-12  Richard Guenther  <rguenther@suse.de>
3258
3259         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3260         single-iteration always-inline inlining.
3261         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3262         (cgraph_decide_inlining): Do not handle always-inline specially.
3263         (try_inline): Remove always-inline cycle detection special case.
3264         Do not recurse on always-inlines.
3265         (cgraph_early_inlining): Do not iterate if not optimizing.
3266         (cgraph_gate_early_inlining): remove.
3267         (pass_early_inline): Run unconditionally.
3268         (gate_cgraph_decide_inlining): New function.
3269         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
3270         not inlining or optimizing.
3271         (cgraph_decide_inlining_of_small_functions): Also consider
3272         always-inline functions.
3273         (cgraph_default_inline_p): Return true for nodes which should
3274         disregard inline limits.
3275         (estimate_function_body_sizes): Assume zero size and time for
3276         nodes which are marked as disregarding inline limits.
3277         (cgraph_decide_recursive_inlining): Do not perform recursive
3278         inlining on always-inline nodes.
3279
3280 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
3281
3282         PR bootstrap/43699
3283         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3284         for exprs satisfying handled_component_p.
3285
3286 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
3287
3288         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3289         non-constant aggregate elements.
3290
3291         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3292         is a real initialization.
3293
3294 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
3295
3296         PR c/36774
3297         * c-decl.c (start_function): Move forward check for nested function.
3298
3299 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3300
3301         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3302         * config/sh/sh.c: Include reload.h.
3303         (sh_legitimize_reload_address): New.
3304         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3305         sh_legitimize_reload_address.
3306
3307 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3308
3309         * config/sh/sh.md (*movqi_pop): New insn pattern.
3310         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3311
3312 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3313
3314         * config/i386/i386.md (any_shiftrt): New code iterator.
3315         (shiftrt_insn): New code attribute.
3316         (shiftrt): Ditto.
3317         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3318         using any_shiftrt code iterator.
3319         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3320         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3321         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3322         pattern from corresponding peephole2 patterns.
3323         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3324         using any_shiftrt code iterator.
3325         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3326         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3327         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3328         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3329         *{ashr,lshr}<mode>3_cmp_zext.
3330         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3331
3332 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3333
3334         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3335         scratch register.
3336         (*lshr<mode>3_cconly): Ditto.
3337
3338 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3339
3340         * config/i386/i386.md (lshr<mode>3): Macroize expander from
3341         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3342         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3343         pattern from *lshr{di,ti}3_1 and corresponding splitters using
3344         DWI mode iterator.
3345         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3346         from corresponding peephole2 patterns.
3347         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3348         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3349         and *lshrdi3_1_rex64 using SWI mode iterator.
3350         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3351         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3352         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3353         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3354         and *lshrdi3_cmp_rex64 using SWI mode iterator.
3355         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3356         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3357         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3358         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3359         SWI mode iterator.
3360
3361 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
3362
3363         * config/i386/i386.md (ashr<mode>3): Macroize expander from
3364         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3365         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3366         pattern from *ashr{di,ti}3_1 and corresponding splitters using
3367         DWI mode iterator.
3368         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3369         from corresponding peephole2 patterns.
3370         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3371         (ashrsi3_cvt): Rename from ashrsi3_31.
3372         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3373         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3374         and x86_64_shift_adj_3 using SWI48 mode iterator.
3375         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3376         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3377         and *ashrdi3_1_rex64 using SWI mode iterator.
3378         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3379         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3380         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3381         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3382         and *ashrdi3_cmp_rex64 using SWI mode iterator.
3383         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3384         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3385         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3386         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3387         SWI mode iterator.
3388         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3389         * config/i386/i386.c (ix86_split_ashr): Update for renamed
3390         x86_shift<mode>_adj_3 expanders.
3391
3392 2010-04-10  Wei Guozhi  <carrot@google.com>
3393
3394         PR target/42601
3395         * config/arm/arm.c (arm_pic_static_addr): New function.
3396         (legitimize_pic_address): Call arm_pic_static_addr when it detects
3397         a static symbol.
3398         (arm_output_addr_const_extra): Output expression for new pattern.
3399         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3400
3401 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
3402
3403         * ira-costs.c (record_reg_classes): Ignore alternatives that are
3404         not enabled.
3405
3406         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3407         * web.c: Include "insn-config.h" and "recog.h".
3408         (union_match_dups): New function.
3409         (web_main): Call it.
3410         (union_defs): Don't try to recognize match_dups.
3411
3412         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3413         if doing so would replace the entire pattern.
3414
3415 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3416
3417         PR target/43707
3418         PR target/43709
3419         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3420         and splitter pattern.  Change splitter operand 1 predicate to
3421         nonmemory_operand.
3422
3423 2010-04-09  Martin Jambor  <mjambor@suse.cz>
3424
3425         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3426         lattices are addresses of CONST_DECLs with the same initial value.
3427         (ipcp_print_all_lattices): Print values of CONST_DECLs.