OSDN Git Service

Nullify regno_allocno_map of the removed allocno.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-10  H.J. Lu<hongjiu.lu@intel.com>
2             Vladimir Makarov<vmakarov@redhat.com>
3
4         PR rtl-optimization/44012
5         * ira-build.c (remove_unnecessary_allocnos): Nullify
6         regno_allocno_map of the removed allocno.
7
8 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
9
10         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
11         to /dev/null.
12         * configure: Regenerate.
13
14 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
15
16         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
17         unused.
18         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
19         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
20         support in Sun ld.
21         * configure: Regenerate.
22
23 2010-05-10  Richard Guenther  <rguenther@suse.de>
24
25         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
26         marked if the entry identifier is marked.
27
28 2010-05-10  Richard Guenther  <rguenther@suse.de>
29
30         * c-common.c (struct c_common_attributes): Add fnspec attribute.
31         (handle_fnspec_attribute): New function.
32         * gimple.h (gimple_call_return_flags): Declare.
33         (gimple_call_arg_flags): Likewise.
34         * gimple.c (gimple_call_arg_flags): New function.
35         (gimple_call_return_flags): Likewise.
36         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
37         New argument flags.
38         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
39         return value flags.
40         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
41         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
42         main work to ...
43         (make_heapvar_for): ... this new function.
44         (handle_rhs_call): Handle fnspec attribute argument specifiers.
45         (handle_lhs_call): Likewise.
46         (find_func_aliases): Adjust.
47
48 2010-05-10  Richard Guenther  <rguenther@suse.de>
49
50         PR tree-optimization/44050
51         * tree-inline.c (tree_function_versioning): Clone the ipa-pta
52         flag.
53
54 2010-05-10  Wei Guozhi  <carrot@google.com>
55
56         PR target/42879
57         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
58
59 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
60
61         PR c/10676
62         * c-typeck.c (lookup_field): Take a type directly.  Update
63         recursive calls.
64         (build_component_ref): Update call to lookup_field.
65         (set_init_label): Use lookup_field to find initialized field.
66         Handle returned list of fields like a sequence of designators.
67
68 2010-05-09  Richard Guenther  <rguenther@suse.de>
69
70         PR middle-end/44024
71         * fold-const.c (tree_single_nonzero_warnv_p): Properly
72         handle &FUNCTION_DECL.
73
74 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
75
76         PR c/4784
77         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
78         structures and unions recursively.
79         (detect_field_duplicates): Move duplicate detection with a hash to
80         detect_field_duplicates_hash.  Always use a hash if anonymous
81         structures or unions are present.
82         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
83         give errors.
84
85 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
86
87         PR target/44046
88         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
89         detect Atom, Core 2 and Core i7.
90
91 2010-05-09  Richard Guenther  <rguenther@suse.de>
92
93         * gcc.c (store_arg): Handle temporary file deletion for
94         joined arguments.
95
96 2010-05-09  Richard Guenther  <rguenther@suse.de>
97
98         PR middle-end/44043
99         * ipa-inline.c (estimate_function_body_sizes): Return after
100         disregarding inline limits.
101
102 2010-05-09  Richard Guenther  <rguenther@suse.de>
103
104         * gcc.c (store_arg): Revert last change.
105
106 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
107
108         PR middle-end/28685
109         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
110         (optimize_ops_list): Call it.
111
112 2010-05-08  Richard Guenther  <rguenther@suse.de>
113
114         PR tree-optimization/44030
115         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
116         NECESSARY flag if we propagate from a inserted expression.
117
118 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
119
120         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
121         domain types as equal if they are both PLACEHOLDER_EXPRs.
122
123 2010-05-08  Richard Guenther  <rguenther@suse.de>
124
125         * lto-wrapper.c (run_gcc): Remove linker output from
126         command line for LTRANS invocation.
127
128 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
129
130         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
131         lto-macho as lto_binary_reader.
132         * target.h (struct gcc_target): New hooks lto_start and lto_end.
133         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
134         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
135         in lto_start and lto_end calls.
136         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
137         magic numbers.
138         (scan_prog_file): Update is_elf_or_coff call.
139         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
140
141         * collect2.c (main): Fix enum comparison.
142
143         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
144         Add prototypes.
145         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
146         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
147         and TARGET_ASM_LTO_END.
148         * darwin.c: Include obstack.h and lto-streamer.h.
149         (lto_section_names_offset, lto_section_names_obstack,
150         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
151         global variables.
152         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
153         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
154         to a temporary file.
155         (darwin_asm_lto_end): New function.  Restore asm_out_file.
156         (darwin_asm_named_section): For LTO sections, replace the name with
157         the offset of the section name in a string table, and build this
158         table.
159         (darwin_file_start): Initialize global vars for LTO support.
160         (darwin_file_end): If output to asm_out_file was redirected, append it
161         to the proper asm_out_file here.  Add the section names section.
162
163 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
164
165         * c-pragma.c (pending_weak_d, pending_weak): New.
166         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
167         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
168         handle_pragma_weak): Update the uses of pending_weaks.
169
170 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
171
172         PR documentation/44016
173         * doc/standards.texi (Standards): Link to unversioned
174         cxx0x_status.html page.
175
176 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
177
178         PR target/43708
179         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
180         in addition to TREE_USED, to avoid "set but unused" warnings.
181
182 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
183
184         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
185         (is_loop_prefetching_profitable): Do not insert prefetches
186         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
187         times the prefetch ahead distance.
188
189 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
190
191         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
192         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
193         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
194         the unroll_factor.
195
196 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
197
198         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
199         a diagnostic info when the insn-to-mem ratio is too small.
200
201 2010-05-07  Richard Guenther <rguenther@suse.de>
202
203         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
204         the linker plugin.
205         (store_arg): Queue temp_filename for deletion instead of
206         the whole argument.
207
208 2010-05-07  Richard Guenther  <rguenther@suse.de>
209
210         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
211         (run_gcc): Handle LTRANS phase invocation.
212         * collect2.c (maybe_run_lto_and_relink): Do not set
213         WPA_SAVE_LTRANS.
214
215 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
216
217         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
218         this is also meaningful on PARM_DECLs and RESULT_DECLs.
219
220 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
221
222         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
223
224 2010-05-07  Richard Guenther  <rguenther@suse.de>
225
226         PR tree-optimization/44020
227         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
228         code when PRE is not yet initialized.
229
230 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
231
232         * config/mips/dbxmdebug.h: Remove.
233         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
234
235 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
236
237         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
238         with null pointer and also warn about ordered comparison of zero with
239         pointer if -Wextra.
240
241 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
242
243         * graphite-blocking.c
244         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
245         * graphite-clast-to-gimple.c
246         (clast_to_gcc_expression): Same.
247         (precision_for_value): Same.
248         (precision_for_interval): Same.
249         (gcc_type_for_interval): Same.
250         (graphite_create_new_guard): Same.
251         (compute_bounds_for_level): Same.
252         (graphite_create_new_loop_guard): Same.
253         * graphite-interchange.c
254         (build_linearized_memory_access): Same.
255         (pdr_stride_in_loop): Same.
256         (memory_strides_in_loop_1): Same.
257         (memory_strides_in_loop): Same.
258         (extend_scattering): Same.
259         (psct_scattering_dim_for_loop_depth): Same.
260         (pbb_number_of_iterations): Same.
261         * graphite-poly.h
262         (debug_iteration_domains): Same.
263         * graphite-ppl.c
264         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
265         (ppl_set_inhomogeneous_gmp): Same.
266         (ppl_strip_loop): Same.
267         (ppl_lexico_compare_linear_expressions): Same.
268         (ppl_read_polyhedron_matrix): Same.
269         (ppl_max_for_le_pointset): Same.
270         * graphite-ppl.h
271         (ppl_read_polyhedron_matrix): Same.
272         (tree_int_to_gmp): Same.
273         (gmp_cst_to_tree): Same.
274         (ppl_set_inhomogeneous): Same.
275         (ppl_set_inhomogeneous_tree): Same.
276         (ppl_set_coef): Same.
277         (ppl_set_coef_tree): Same.
278         * graphite-sese-to-poly.c
279         (build_pbb_scattering_polyhedrons): Same.
280         (build_scop_scattering): Same.
281         (scan_tree_for_params_right_scev): Same.
282         (scan_tree_for_params): Same.
283         (find_params_in_bb): Same.
284         (find_scop_parameters): Same.
285         (add_upper_bounds_from_estimated_nit): Same.
286         (build_loop_iteration_domains): Same.
287         (add_condition_to_domain): Same.
288         (pdr_add_memory_accesses): Same.
289
290 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
291
292         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
293         CLooG's value_* macros to their respective mpz_* counterparts.
294         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
295         (graphite_create_new_loop_guard): Same.
296         * graphite-interchange.c (build_linearized_memory_access): Same.
297         (pdr_stride_in_loop): Same.
298         (memory_strides_in_loop_1): Same.
299         (1st_interchange_profitable_p): Same.
300         * graphite-poly.c (extend_scattering): Same.
301         (psct_scattering_dim_for_loop_depth): Same.
302         (pbb_number_of_iterations): Same.
303         (pbb_number_of_iterations_at_time): Same.
304         * graphite-poly.h (new_1st_loop): Same.
305         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
306         (oppose_constraint): Same.
307         (insert_constraint_into_matrix): Same.
308         (ppl_set_inhomogeneous_gmp): Same.
309         (ppl_set_coef_gmp): Same.
310         (ppl_strip_loop): Same.
311         (ppl_lexico_compare_linear_expressions): Same.
312         (ppl_max_for_le_pointset): Same.
313         (ppl_min_for_le_pointset): Same.
314         (ppl_build_realtion): Same.
315         * graphite-ppl.h (gmp_cst_to_tree): Same.
316         (ppl_set_inhomogeneous): Same.
317         (ppl_set_inhomogeneous_tree): Same.
318         (ppl_set_coef): Same.
319         (ppl_set_coef_tree): Same.
320         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
321         (build_scop_scattering): Same.
322         (add_value_to_dim): Same.
323         (scan_tree_for_params_right_scev): Same.
324         (scan_tree_for_params_int): Same.
325         (scan_tree_for_params): Same.
326         (find_params_in_bb): Same.
327         (find_scop_parameters): Same.
328         (add_upper_bounds_from_estimated_nit): Same.
329         (build_loop_iteration_domains): Same.
330         (create_linear_expr_from_tree): Same.
331         (add_condition_to_domain): Same.
332         (pdr_add_memory_accesses): Same.
333
334 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
335             Jason Merrill  <jason@redhat.com>
336
337         * c-common.c (c_common_reswords): Add nullptr.
338         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
339         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
340         (gen_type_die_with_usage): Likewise.
341         * dbxout.c (dbxout_type): Likewise.
342         * sdbout.c (plain_type_1): Likewise.
343
344 2010-05-06  Jason Merrill  <jason@redhat.com>
345
346         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
347         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
348         ret appropriately.
349         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
350
351         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
352         stripping WITH_SIZE_EXPR.
353         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
354         change.
355
356 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
357
358         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
359         list of obsolete configurations.
360         Disabled check for obsolete configurations.
361         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
362         Removed support for previous versions.
363         * config/mips/iris.h: Removed.
364         * config/mips/iris5.h: Removed.
365         * config/mips/iris6.h: Merged old iris.h contents.
366         (TARGET_IRIX): Removed.
367         (DRIVER_SELF_SPECS): Removed mabi=32.
368         (IDENT_ASM_OP): Removed undef.
369         (STARTFILE_SPEC): Removed mabi=32.
370         (ENDFILE_SPEC): Likewise.
371         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
372         (MACHINE_TYPE): Update for IRIX 6.5.
373         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
374         TARGET_IRIX by TARGET_IRIX6.
375         (mips_file_start): Likewise.
376         (mips_output_external): Remove IRIX 5/6 O32 support.
377         (mips_output_function_prologue): Likewise.
378         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
379         TARGET_IRIX6.
380         (TARGET_CPU_CPP_BUILTINS): Likewise.
381         (TARGET_IRIX): Removed.
382         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
383         (MULTILIB_DIRNAMES): Removed 32.
384         (MULTILIB_OSDIRNAMES): Removed ../lib.
385         * doc/install.texi (Prerequisites): Don't reference IRIX before
386         6.5.
387         (Specific, mips-sgi-irix5): Document removal.
388         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI
389         removal.
390         Remove references to older IRIX 6 releases and the O32 ABI.
391
392 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
393
394         * gcc.dg/Wunused-var-8.c: Move to...
395         * c-c++-common/Wunused-var-6.c: ... here.  New test.
396
397         PR bootstrap/43994
398         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
399         instead of DF_REF_REAL_REG.
400
401 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
402
403         PR target/43888
404         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
405         handling to still return true for x64 targets.
406
407 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
408
409         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
410
411 2010-05-06  Jan Hubicka  <jh@suse.cz>
412
413         PR tree-optimization/43791
414         * ipa-inline.c (update_caller_keys): Remove bogus
415         disregard_inline_limits check.
416
417 2010-05-06  Michael Matz  <matz@suse.de>
418
419         PR tree-optimization/43984
420         * tree-ssa-pre.c (inserted_phi_names): Remove.
421         (inserted_exprs): Change to bitmap.
422         (create_expression_by_pieces): Set bits, don't append to vector.
423         (insert_into_preds_of_block): Don't handle inserted_phi_names.
424         (eliminate): Don't look at inserted_phi_names, remove deleted
425         insns from inserted_exprs.
426         (remove_dead_inserted_code): Adjust to use bitmaps instead of
427         vectors.
428         (init_pre, fini_pre): Allocate and free bitmaps.
429         (execute_pre): Insert insns on edges before elimination.
430
431 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
432
433         * tree.c (initializer_zerop): Handle STRING_CST.
434
435 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
436
437         PR 40989
438         * doc/invoke.texi (Wimplicit): Document as C only.
439         * opts.c (common_handle_option): Add argument kind.
440         (handle_option): Rename as read_cmdline_option. Factor out code to...
441         (handle_option): ... here. New.
442         (handle_options): Rename as read_cmdline_options.
443         (decode_options): Update call.
444         (set_option): Use option index instead of option pointer. Classify
445         diagnostics correctly.
446         (enable_warning_as_error): Call handle_option.
447         * opts.h (set_option): Update declaration.
448         (handle_option): Declare.
449         * langhooks.h (struct lang_hooks): Add argument kind to
450         handle_option.
451         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
452         * c-opts.c (set_Wimplicit): Delete.
453         (c_family_lang_mask): New static constant.
454         (c_common_handle_option): Add argument kind. Use handle_option
455         instead of set_Wimplicit.
456         (c_common_post_options): warn_implicit and warn_implicit_int
457         are disabled by default.
458         * c-common.c (warn_implicit): Do not define here.
459         * c-common.h (warn_implicit): Do not declare here.
460         (c_common_handle_option): Update declaration.
461         * lto-opts.c (lto_reissue_options): Update call to set_option.
462
463 2010-05-06  Richard Guenther  <rguenther@suse.de>
464
465         PR tree-optimization/43571
466         * domwalk.c (walk_dominator_tree): Walk the dominator
467         sons in more optimal order.
468
469 2010-05-06  Richard Guenther  <rguenther@suse.de>
470
471         PR tree-optimization/43934
472         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
473         (stmt_cost): Likewise.
474         (extract_true_false_args_from_phi): New helper.
475         (determine_max_movement): For PHI nodes verify we can hoist them
476         and compute their cost.
477         (determine_invariantness_stmt): Handle PHI nodes.
478         (move_computations_stmt): Likewise.  Hoist PHI nodes in
479         if-converted form using COND_EXPRs.
480         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI
481         nodes.
482         (tree_ssa_lim): Likewise.
483         * tree-flow.h (tree_ssa_lim): Adjust prototype.
484         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
485
486 2010-05-06  Richard Guenther  <rguenther@suse.de>
487
488         PR tree-optimization/43987
489         * tree-ssa-structalias.c (could_have_pointers): For possibly
490         address-taken variables force pointers to be recorded.
491         (create_variable_info_for_1): Likewise.
492         (push_fields_onto_fieldstack): Pass in wheter all fields
493         must have pointers.
494         (find_func_aliases): Query types instead of vars whether
495         they contain pointers where appropriate.
496
497 2010-05-06  Jan Hubicka  <jh@suse.cz>
498
499         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
500         (record_reference, mark_address, mark_load, mark_store): Record
501         references.
502         (record_references_in_initializer): Update call of record_references.
503         (rebuild_cgraph_edges): Remove all references before rebuiding.
504         * cgraph.c (cgraph_create_node): Clear ref list.
505         (cgraph_remove_node): Remove references.
506         (dump_cgraph_node): Dump references.
507         (cgraph_clone_node): Clone references.
508         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
509         (struct cgraph_node, varpool_node): Add ref_lst.
510         * ipa-ref.c: New file.
511         * ipa-ref.h: New file.
512         * ipa-ref-inline.h: New file.
513         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
514         (referenced_from_other_partition_p): New function.
515         (lto_output_varpool_node): Take set arugment; call
516         referenced_from_other_partition.
517         (lto_output_ref): New.
518         (add_references): New.
519         (output_refs): New.
520         (output_cgraph): Compute boundary based on references;
521         output refs.
522         (output_varpool): Accept cgraph_node_set argument.
523         (input_ref): New.
524         (input_refs): New.
525         (input_cgraph): Call input_refs.
526         * lto-section-in.c (lto_section_name): Add refs.
527         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
528         (ipa-ref.o): New file.
529         * varpool.c (varpool_node): Clear ipa ref list.
530         (varpool_remove_node): Remove references.
531         (dump_varpool_node): Dump references.
532         (varpool_assemble_decl): Only compile finalized ones.
533         (varpool_extra_name_alias): Initialize ref list.
534         * lto-streamer.c (lto-get_section_name): Add .refs section.
535         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
536         (referenced_from_other_partition_p): Declared.
537
538 2010-05-06  Ira Rosen  <irar@il.ibm.com>
539
540         PR tree-optimization/43901
541         * tree-vect-stmts.c (vectorizable_call): Assert that vector
542         type is not NULL if it's transformation phase, and return
543         FALSE if it's analysis.
544         (vectorizable_conversion, vectorizable_operation, 
545         vectorizable_type_demotion, vectorizable_type_promotion):
546         Likewise.
547
548 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
549
550         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
551         Delete.
552         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
553         New define.
554         * config/mips/mips-protos.h
555         (mips_small_register_classes_for_mode_p): Delete prototype.
556
557 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
558
559         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
560         * config/arm/arm.c (multiple_operation_profitable_p,
561         compute_offset_order): New static functions.
562         (load_multiple_sequence, store_multiple_sequence): Use them.
563         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
564         memory offsets, not register numbers.
565         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
566
567 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
568
569         * stor-layout.c (pending_sizes): Change the type to
570         VEC(tree,gc) *.
571         (get_pending_sizes, put_pending_size, put_pending_sizes):
572         Update the uses of pending_sizes.
573         * c-decl.c (store_parm_decls): Likewise.
574         * c-tree.h (struct c_arg_info): Likewise.
575         * tree.h: Update the prototype for get_pending_sizes and
576         put_pending_sizes.
577
578 2010-05-05  Jason Merrill  <jason@redhat.com>
579
580         PR debug/43370
581         * c-common.c (handle_aligned_attribute): Respect
582         ATTR_FLAG_TYPE_IN_PLACE.
583
584         PR testsuite/43758
585         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
586         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
587         (TARGET_INITIALIZER): Use it.
588         * c-common.c (attribute_takes_identifier_p): Call it.
589         * c-common.h: Update prototype.
590         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
591         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
592
593 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
594
595         PR debug/43950
596         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
597         DW_ID_down_case for Fortran compilation units.
598
599 2010-05-05  Jan Hubicka  <jh@suse.cz>
600
601         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
602         handle aliases.
603
604 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
605
606         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
607         a variable-sized RESULT_DECL.
608
609 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
610
611         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
612
613 2010-05-05  Jason Merrill  <jason@redhat.com>
614
615         PR c++/43787
616         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
617         returns GS_OK.
618         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
619
620 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
621             Jakub Jelinek  <jakub@redhat.com>
622
623         PR debug/43478
624         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
625         (dead_debug_init, dead_debug_finish): New functions.
626         (dead_debug_add, dead_debug_insert_before): Likewise.
627         (df_note_bb_compute): Initialize a dead_debug object, add dead
628         debug uses to it, insert debug bind insns before death insns,
629         reset debug insns that refer to pending uses at the end.
630         * rtl.h (make_debug_expr_from_rtl): New prototype.
631         * varasm.c (make_debug_expr_from_rtl): New function.
632
633 2010-05-05  Jan Hubicka  <jh@suse.cz>
634
635         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
636         (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
637         lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
638         lto_varpool_encoder_encode_initializer_p,
639         lto_set_varpool_encoder_encode_initializer): New functions.
640         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
641         call output_varpool.
642         (input_varpool_node): Do not always set analyzed.
643         (input_cgraph_1): Return vector of cgraph nodes.
644         (input_varpool_1): Return vector of varpools.
645         (input_cgraph): Free the vectors.
646         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
647         output only initializers needed.
648         (lto_output): Only call output_cgraph.
649         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
650         * lto-section-out.c (lto_new_out_decl_state): Initialize
651         state->varpool_node_encoder.
652         * lto-streamer.h (lto_varpool_encoder_d): New.
653         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.     
654         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
655         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
656         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
657         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
658         Declare.
659         (output_varpool, input_varpool): Remove declarations.
660
661 2010-05-05  Jan Hubicka  <jh@suse.cz>
662
663         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
664         with body can prevail.
665
666 2010-05-05  Jan Hubicka  <jh@suse.cz>
667
668         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
669         size.
670
671 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
672
673         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
674         dependencies.
675
676         * gengtype.h (erro_at_line): Constify pos argument.
677
678         * gengtype.c: Include hashtab.h.
679         (enum gc_used): Document GC_MAYBE_POINTED_TO.
680         (error_at_line): Constify pos argument.
681         (do_typedef): Initialize p->opt field.
682         (get_file_gtfilename): Fix comment typo.
683         (struct walk_type_data): Constify line field.
684         (get_output_file_for_structure): New function.
685         (write_local_func_for_structure): Constify orig_s argument.
686         Use get_output_file_for_structure.
687         (write_func_for_structure): Use get_output_file_for_structure.
688         (INDENT): New define.
689         (dump_pair, dump_type, dump_type_list, dump_typekind)
690         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
691         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
692         functions.
693         (seen_types): New variable.
694         (main): New variable do_dump.  Process "-d" command line option.
695         Call dump_everything if dump requested.
696
697 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
698
699         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
700         in a temporary instead of invoking the macro multiple times.
701         (track_expr_p): Likewise.
702
703 2010-05-04  Neil Vachharajani <nvachhar@google.com>
704
705         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
706         per new semantics.
707         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
708         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
709         conditions for printing notes.
710         * common.opt (-Wcoverage-mismatch): Allow negative, default to
711         true, update documentation.
712         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
713
714 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
715
716         PR c/43981
717         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
718         on dimen.
719
720 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
721
722         PR target/43799
723         * config/i386/i386.md (sse_prologue_save): Add clobber CC
724         register.
725         (*sse_prologue_save_insn1): Likewise.
726         (SSE prologue save splitter): Likewise.
727
728 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
729
730         * tree.c (free_lang_data_in_one_sizepos): New inline function.
731         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
732         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
733         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
734         all decls.  Call it on DECL_FIELD_OFFSET of fields.
735         (find_decls_types_r): Follow DECL_VALUE_EXPR.
736         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
737
738 2010-05-04  Martin Jambor  <mjambor@suse.cz>
739
740         * tree-sra.c (build_access_from_expr_1): The first parameter type
741         changed to simple tree.
742         (build_access_from_expr): Likewise, gsi parameter was eliminated.
743         (scan_assign_result): Renamed to assignment_mod_result, enum elements
744         renamed as well.
745         (build_accesses_from_assign): Removed all parameters except for a
746         simple gimple statement.  Now returns a simple bool.
747         (scan_function): All non-analysis parts moved to separate functions
748         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
749         parameters and updated both callers.
750         (sra_modify_expr): Removed parameter data.
751         (sra_modify_function_body): New function.
752         (perform_intra_sra): Call sra_modify_function_body to modify the
753         function body.
754         (replace_removed_params_ssa_names): Parameter data changed into
755         adjustments vector.
756         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
757         changed the parameter dont_convert to convert with the opposite
758         meaning.
759         (sra_ipa_modify_assign): Parameter data changed into adjustments
760         vector, return value changed to bool.
761         (ipa_sra_modify_function_body): New function.
762         (sra_ipa_reset_debug_stmts): Updated a comment.
763         (modify_function): Use ipa_sra_modify_function_body to modify function
764         body.
765
766 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
767
768         PR middle-end/43671
769         * alias.c (true_dependence): Handle the same VALUE in x and mem.
770         (canon_true_dependence): Likewise.
771         (write_dependence_p): Likewise.
772
773 2010-05-04  Jan Hubicka  <jh@suse.cz>
774
775         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
776         * cgraphbuild.c: Include ipa-utils.h
777         (record_reference_ctx): New struct.
778         (record_reference): Simplify to work on initializers; not statements.
779         (mark_address, mark_load, mark_store): New.
780         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
781         walk PHI nodes too.
782         (record_references_in_initializer): Update use of record_reference.
783         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
784         walk PHI nodes too.
785
786 2010-05-04  Jan Hubicka  <jh@suse.cz>
787
788         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
789         node will be removed anyway.
790         (lto_varpool_replace_node): Allow also unanalyzed nodes;
791         relink aliases of node into prevailing node.
792         * varpool.c (varpool_remove_node): Remove aliases properly;
793         when removing node, remove all its aliases too; remove DECL_INITIAL
794         of removed node; ggc_free the varpool node.
795
796 2010-05-04  Richard Guenther  <rguenther@suse.de>
797
798         PR tree-optimization/43879
799         * tree-ssa-structalias.c (alias_get_name): Use
800         DECL_ASSEMBLER_NAME if available.
801         (create_function_info_for): Return the varinfo node.
802         (ipa_pta_execute): Associate same-body aliases and extra names
803         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
804
805 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
806
807         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
808         static.
809
810 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
811
812         PR bootstrap/43964
813         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
814         only if HONOR_REG_ALLOC_ORDER is not defined.
815
816 2010-05-04  Richard Guenther  <rguenther@suse.de>
817
818         PR tree-optimization/43949
819         * tree-vrp.c (extract_range_from_binary_expr): Only handle
820         TRUNC_MOD_EXPR.
821
822 2010-04-26  Jason Merrill  <jason@redhat.com>
823
824         * c.opt (-fstrict-enums): New.
825         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
826
827 2010-05-03  David Ung <davidu@mips.com>
828             James E. Wilson  <wilson@codesourcery.com>
829
830         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
831         emit the trap instruction before the divide for TUNE_74K.
832
833 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
834
835         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
836         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
837         based on the above, for new target hook.
838
839         * hooks.c (hook_bool_mode_true): New generic hook.
840         * hooks.h (hook_bool_mode_true): Add prototype.
841
842         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
843         target hook.
844         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
845         target hook, set to hook_bool_mode_false.
846         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
847         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
848         with targetm.small_register_classes_for_mode_p.
849         (find_reusable_reload): Likewise.
850         (combine_reloads): Likewise.
851         * reload1.c (reload_as_needed): Likewise.
852         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
853         * ifcvt.c (noce_process_if_block, check_cond_move_block,
854         dead_or_predicable): Likewise.
855         * regmove.c (optimize_reg_copy_1): Likewise.
856         * calls.c (prepare_call_address): Likewise.
857         (precompute_register_parameters): Likewise.
858
859         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
860         hook definition.
861         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
862         implementation of the hook that considers all register classes
863         small except for SH64.
864         (sh_override_options): Use the new hook.
865         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
866         Add prototype.
867
868         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
869         hook definition.
870         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
871         implementation of the hook that considers all register classes
872         small for THUMB1.
873         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
874         Add prototype.
875
876         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
877         hook definition.
878         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
879         implementation of the hook that considers all register classes
880         small for MIPS16.
881         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
882         Add prototype.
883
884         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
885         hook definition.
886         * config/m32c/m32c.h: Likewise.
887         * config/pdp11/pdp11.h: Likewise.
888         * config/avr/avr.h: Likewise.
889         * config/xtensa/xtensa.h: Likewise.
890         * config/m68hc11/m68hc11.h: Likewise.
891         * config/mn10300/mn10300.h: Likewise.
892         * config/mcore/mcore.h: Likewise.
893         * config/h8300/h8300.h: Likewise.
894         * config/bfin/bfin.h: Likewise.
895
896         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
897         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
898
899 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
900
901         * double-int.h (tree_to_double_int): Remove macro.
902         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
903         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
904         (tree_to_double_int): New function.
905         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
906         Move ...
907         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
908
909 2010-05-03  Richard Guenther  <rguenther@suse.de>
910
911         PR tree-optimization/43971
912         * tree-ssa-structalias.c (get_constraint_for_1): Fix
913         constraints in the !flag_delete_null_pointer_checks case.
914
915 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
916
917         PR debug/43972
918         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
919         result mode matches original rtl mode.
920
921 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
922
923         PR target/43888
924         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
925
926 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
927
928         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
929         when processing flag options.
930
931 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
932
933         * gcov-iov.c (main): Change format string placeholder
934         from %#08x to 0x%08x.
935         * genchecksum.c (dosum): Change format string placeholder
936         from %#02x to 0x%02x.
937
938 2010-05-02  Richard Guenther  <rguenther@suse.de>
939
940         PR tree-optimization/43879
941         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
942
943 2010-05-02  Bruno Haible  <bruno@clisp.org>
944
945         * doc/extend.texi (Function Attributes): Fix a typo.
946
947 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
948
949         Revert:
950         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
951         placeholder from 0x%x to %#x.
952         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
953         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
954         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
955         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
956         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
957         * config/i386/i386.c (ix86_target_string): Ditto.
958         * config/i386/i386.c (output_pic_addr_const): Ditto.
959         (print_operand): Ditto.
960
961 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
962
963         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
964         placeholder from 0x%x to %#x.
965         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
966         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
967         (ASM_OUTPUT_DEBUG_DATA): Ditto.
968         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
969         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
970         * optc-gen.awk: Ditto.
971         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
972         (HOST_WIDE_INT_PRINT_HEX): Ditto.
973         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
974         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
975
976 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
977
978         * target.h (struct calls): Add function_value_regno_p field.
979         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
980         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
981         * targhooks.c (default_function_value_regno_p): New function.
982         * targhooks.h (default_function_value_regno_p): Declare function.
983         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
984         * builtins.c. (apply_result_size): (Ditto.).
985         * combine.c. (likely_spilled_retval_p): (Ditto.).
986         * mode-switching.c. Include 'target.h'.
987         (create_pre_exit): Use function_value_regno_p hook.
988         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
989         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
990         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
991
992         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
993         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
994         (ix86_function_value_regno_p): Declare as static, change argument
995         type to const unsigned int.
996         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
997
998 2010-05-01  Richard Guenther  <rguenther@suse.de>
999
1000         PR tree-optimization/43949
1001         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1002         types.
1003         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1004
1005 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1006
1007         * rtl.h (CONST_DOUBLE_P): Define.
1008         (rtx_to_double_int): Declare.
1009         * emit-rtl.c (rtx_to_double_int): New function.
1010         * dwarf2out.c (insert_double): New function.
1011         (loc_descriptor, add_const_value_attribute): Clean up, use
1012         rtx_to_double_int and insert_double functions.
1013
1014 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1015
1016         * doc/extend.texi (Inline): Add missing return keyword to examples.
1017         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1018         "command-line".
1019
1020 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1021
1022         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1023         the variable part of the offset as well.  Use highest_pow2_factor for
1024         all alignment checks.
1025
1026 2010-04-30  Richard Guenther  <rguenther@suse.de>
1027
1028         PR tree-optimization/43879
1029         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1030         can have pointers.
1031
1032 2010-04-30  Jan Hubicka  <jh@suse.cz>
1033
1034         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1035         varpool.
1036         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1037
1038 2010-04-30  Jan Hubicka  <jh@suse.cz>
1039
1040         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1041         New.
1042         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1043         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1044         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1045         cgraph_node_set_needs_ltrans_p): Remove.
1046
1047 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1048
1049         * sdbout.c: Include vec.h, do not include varray.h.
1050         (deferred_global_decls, sdbout_global_decl,
1051         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1052         * toplev.c: Do not include varray.h.
1053         (dump_memory_report): Do not dump VARRAY statistics.
1054         * gengtype.c (open_base_file): Ignore varray.h.
1055         * Makefile.in: Update for abovementioned changes.
1056         Remove all traces of varray.c and varray.h.
1057         * varray.c: Remove file.
1058         * varray.h: Remove file.
1059
1060 2010-04-30  Jan Hubicka  <jh@suse.cz>
1061
1062         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1063         references.
1064
1065 2010-04-30  Jan Hubicka  <jh@suse.cz>
1066
1067         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1068         needed.
1069
1070 2010-04-30  Richard Guenther  <rguenther@suse.de>
1071
1072         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1073         constraints for CONSTRUCTOR.
1074
1075 2010-04-30  Richard Guenther  <rguenther@suse.de>
1076
1077         PR lto/43946
1078         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1079         first after all lowering passes.
1080
1081 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1082
1083         * toplev.c: Include varray.h for statistics dumping.
1084         * tree.h: Do not declare varray_head_tag.
1085         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1086         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1087         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1088         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1089         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1090         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1091         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1092         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1093         include varray.h.
1094         * Makefile.in: Update for abovementioned changes.
1095
1096 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1097
1098         PR debug/43942
1099         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1100
1101 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1102
1103         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1104         Use this function to do machine-specific conversion.
1105         (picochip_legitimize_reload_address): Likewise.
1106         (picochip_legitimate_address_p): Check valid base register only if
1107         strict.
1108         (picochip_check_conditional_copy): Check for modw only if opnd is
1109         register.
1110         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1111         to call the function in c.
1112         * config/picochip/picochip-protos.h
1113         (picochip_legitimize_reload_address): Define.
1114         * config/picochip/picochip.md (supported_compare1): Define.
1115
1116 2010-04-30  Jan Hubicka  <jh@suse.cz>
1117
1118         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1119         (cgraph_global_info): Remove inlined.
1120         (LTO_cgraph_tag_names): Remove.
1121         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1122         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1123         simplify cgraph tags and document.
1124         (lto_output_node): Use only LTO_cgraph_unavail_node and
1125         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1126         for_functions_valid, global info, process and output flags.
1127         (input_overwrite_node): Initialize estimated stack size and
1128         estimated growth.  Do not read flags we no longer store.
1129         (input_node): Likewise do not read info no longer stored.
1130         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1131         flag.
1132
1133 2010-04-30  Richard Guenther  <rguenther@suse.de>
1134
1135         PR tree-optimization/43879
1136         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1137         handle non-zero initializers.
1138
1139 2010-04-30  Richard Guenther  <rguenther@suse.de>
1140
1141         * builtins.c (fold_builtin_1): Delete free (0).
1142
1143 2010-04-29  Jan Hubicka  <jh@suse.cz>
1144
1145         * gengtype.c (open_base_files): Add lto-streamer.h
1146         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1147         (pass_ipa_cp): GGC collect.
1148         * toplev. (compile_file): Do not output symbols.
1149         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1150         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1151         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1152         * lto-section-in.c: Include ggc.h
1153         (lto_new_in_decl_state): Alloc in GGC.
1154         (lto_delete_in_decl_state): Likewise.
1155         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1156         Collect.
1157
1158 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1159
1160         PR target/42895
1161         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1162         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1163         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1164         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1165         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1166         account only if HONOR_REG_ALLOC_ORDER is not defined.
1167         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1168         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1169
1170 2010-04-29  Jon Grant  <04@jguk.org>
1171
1172         * collect2.c (vflag): Change type from int to bool.
1173         (debug): Likewise.
1174         (helpflag): New global bool.
1175         (main): Set vflag and debug with boolean, not integer truth values.
1176         Accept new "--help" option and output usage text if found.
1177         * collect2.h (vflag): Update prototype.
1178         (debug): Likewise.
1179
1180 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1181
1182         PR bootstrap/43936
1183         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1184
1185 2010-04-29  Richard Guenther  <rguenther@suse.de>
1186
1187         PR bootstrap/43935
1188         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1189         with ATTRIBUTE_UNUSED.
1190
1191 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1192
1193         PR target/43921
1194         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1195         INSN_P with NONDEBUG_INSN_P.
1196         (distance_non_agu_define): Likewise.
1197         (distance_agu_use): Likewise.
1198
1199 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1200
1201         From Dominique d'Humieres <dominiq@lps.ens.fr>
1202         PR bootstrap/43858
1203         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1204         test_set.
1205
1206 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1207
1208         * plugin.h (invoke_plugin_callbacks): New inline function.
1209         * plugin.c (flag_plugin_added): New global flag.
1210         (add_new_plugin): Initialize above flag.
1211         (invoke_plugin_callbacks): Rename to ...
1212         (invoke_plugin_callbacks_full): ... this.
1213
1214 2010-04-28  Jan Hubicka  <jh@suse.cz>
1215
1216         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1217         (lto_varpool_replace_node): New.
1218         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1219         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1220         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1221         * cgraph.h (varpool_node_ptr): New type.
1222         (varpool_node_ptr): New vector.
1223         (varpool_node_set_def): New structure.
1224         (varpool_node_set): New type.
1225         (varpool_node_set): New vector.
1226         (varpool_node_set_element_def): New structure.
1227         (varpool_node_set_element, const_varpool_node_set_element): New types.
1228         (varpool_node_set_iterator): New type.
1229         (varpool_node): Add prev pointers, add used_from_other_partition,
1230         in_other_partition.
1231         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1232         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1233         varpool_get_node, varpool_remove_node): Declare.
1234         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1235         varpool_node_set_size): New inlines.
1236         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1237         * tree-pass.h (varpool_node_set_def): Forward declare.
1238         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1239         (ipa_write_optimization_summaries): Update prototype.
1240         * ipa-cp.c (ipcp_write_summary): Update.
1241         * ipa-reference.c (ipa_reference_write_summary): Update.
1242         * lto-cgraph.c (lto_output_varpool_node): New static function.
1243         (output_varpool): New function.
1244         (input_varpool_node): New static function.
1245         (input_varpool_1): New function.
1246         (input_cgraph): Input varpool.
1247         * ipa-pure-const.c (pure_const_write_summary): Update.
1248         * lto-streamer-out.c (lto_output): Update, output varpool too.
1249         (write_global_stream): Kill WPA hack.
1250         (produce_asm_for_decls): Update.
1251         (output_alias_pair_p): Handle variables.
1252         (output_unreferenced_globals): Output only needed partition of varpool.
1253         * ipa-inline.c (inline_write_summary): Update.
1254         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1255         cgraph.
1256         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1257         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1258         varpool_node_set_new, varpool_node_set_add,
1259         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1260         debug_varpool_node_set): New functions.
1261         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1262         (execute_one_pass): Process new decls too.
1263         (ipa_write_summaries_2): Pass around vsets.
1264         (ipa_write_summaries_1): Likewise.
1265         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1266         to add.
1267         (ipa_write_optimization_summaries_1): Pass around vsets.
1268         (ipa_write_optimization_summaries): Likewise.
1269         * varpool.c (varpool_get_node): New.
1270         (varpool_node): Update doubly linked lists.
1271         (varpool_remove_node): New.
1272         (dump_varpool_node): More dumping.
1273         (varpool_enqueue_needed_node): Update doubly linked lists.
1274         (decide_is_variable_needed): Kill ltrans hack.
1275         (varpool_finalize_decl): Kill lto hack.
1276         (varpool_assemble_decl): Skip decls in other partitions.
1277         (varpool_assemble_pending_decls): Update doubly linkes lists.
1278         (varpool_empty_needed_queue): Likewise.
1279         (varpool_extra_name_alias): Likewise.
1280         * lto-streamer.c (lto_get_section_name): Add vars section.
1281         * lto-streamer.h (lto_section_type): Update.
1282         (output_varpool, input_varpool): Declare.
1283
1284 2010-04-28  Mike Stump  <mikestump@comcast.net>
1285
1286         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1287
1288 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1289
1290         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1291         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1292         (lto_input_ts_type_tree_pointers): Likewise.
1293         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1294         (lto_output_ts_type_tree_pointers): Likewise.
1295
1296 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1297
1298         Uniquization of constants at the Tree level
1299         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1300         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1301         bit to the end.
1302         (tree_output_constant_def): Declare.
1303         * gimplify.c (gimplify_init_constructor): When using block copy, first
1304         uniquize the constant constructor on the RHS.
1305         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1306         DECL_IN_CONSTANT_POOL flag.
1307         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1308         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1309         constant pool.
1310         (assemble_variable): Deal with symbols belonging to the tree constant
1311         pool.
1312         (get_constant_section): Add ALIGN parameter and simplify.
1313         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1314         (assemble_constant_contents): Use the expression of the VAR_DECL.
1315         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1316         (tree_output_constant_def): New global function.
1317         (mark_constant): Use the expression of the VAR_DECL.
1318         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1319         its expression.
1320         (output_object_block): Likewise and assemble the expression.
1321
1322 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1323
1324         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1325         hash_tree, eq_tree): New tree hash table.
1326         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1327         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1328         lto_orig_address_remove): Reimplement.
1329
1330 2010-04-28  Xinliang David Li  <davidxl@google.com>
1331
1332         PR c/42643
1333         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1334         (compute_uninit_opnds_pos): New function.
1335         (is_non_loop_exit_postdominating): New function.
1336         (compute_control_dep_chain): New function.
1337         (find_pdom): New function.
1338         (convert_control_dep_chain_into_preds): New function.
1339         (find_predicates): New function.
1340         (find_control_equiv_block): New function.
1341         (collect_phi_def_edges): New function.
1342         (find_def_preds): New function.
1343         (find_dom): New function.
1344         (dump_predicates): New function.
1345         (get_cmp_code): New function.
1346         (is_value_included_in): New function.
1347         (find_matching_predicate_in_rest_chains): New function.
1348         (use_pred_not_overlap_with_undef_path_pred): New function.
1349         (is_use_properly_guarded): New function.
1350         (normalize_cond_1): New function.
1351         (is_and_or_or): New function.
1352         (normalize_cond): New function.
1353         (is_gcond_subset_of): New function.
1354         (is_subset_of_any): New function.
1355         (is_or_set_subset_of): New function.
1356         (is_and_set_subset_of): New function.
1357         (is_norm_cond_subset_of): New function.
1358         (is_pred_expr_subset_of): New function.
1359         (is_pred_chain_subset_of): New function.
1360         (is_included_in): New function.
1361         (is_superset_of): New function.
1362         (find_uninit_use): New function.
1363         (warn_uninitialized_phi): New function.
1364         (compute_possibly_undefined_names): New function.
1365         (ssa_undefined_value_p): New function.
1366         (execute_late_warn_uninitialized): New function.
1367         * tree-ssa.c (ssa_undefined_value_p): Removed.
1368         (warn_uninit): Changed to extern.
1369         (warn_uninitialized_phi): Removed.
1370         (warn_uninitialized_vars): Changed to extern.
1371         (execute_late_warn_uninitialized): Removed
1372         * tree-flow.h: Add new prototypes.
1373         * timevar.def: Add new time variable.
1374         * Makefile.in: Add new build file.
1375
1376 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1377
1378         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1379         type if available.
1380
1381 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1382
1383         PR target/22224
1384         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1385
1386 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1387
1388         * cgraph.h (struct cgraph_node): New field indirect_calls.
1389         (struct cgraph_indirect_call_info): New type.
1390         (struct cgraph_edge): Removed field indirect_call. New fields
1391         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1392         (cgraph_create_indirect_edge): Declare.
1393         (cgraph_make_edge_direct): Likewise.
1394         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1395         * ipa-prop.h (struct ipa_param_call_note): Removed.
1396         (struct ipa_node_params): Removed field param_calls.
1397         (ipa_create_all_structures_for_iinln): Declare.
1398         * cgraph.c: Described indirect edges and uids in initial comment.
1399         (cgraph_add_edge_to_call_site_hash): New function.
1400         (cgraph_edge): Search also among the indirect edges, use
1401         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1402         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1403         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1404         site hash.
1405         (initialize_inline_failed): Assign a reason to indirect edges.
1406         (cgraph_create_edge_1): New function.
1407         (cgraph_create_edge): Moved some functionality to
1408         cgraph_create_edge_1.
1409         (cgraph_create_indirect_edge): New function.
1410         (cgraph_edge_remove_callee): Add an assert checking for
1411         non-indirectness.
1412         (cgraph_edge_remove_caller): Special-case indirect edges.
1413         (cgraph_remove_edge): Likewise.
1414         (cgraph_set_edge_callee): New function.
1415         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1416         (cgraph_make_edge_direct): New function.
1417         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1418         the declaration of the call statement matches.
1419         (cgraph_node_remove_callees): Special-case indirect edges.
1420         (cgraph_clone_edge): Likewise.
1421         (cgraph_clone_node): Clone also the indirect edges.
1422         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1423         indirect_call, dump count of indirect_calls edges.
1424         * ipa-prop.c (iinlining_processed_edges): New variable.
1425         (ipa_note_param_call): Create indirect edges instead of
1426         creating notes.  New parameter node.
1427         (ipa_analyze_call_uses): New parameter node, pass it on to
1428         ipa_note_param_call.
1429         (ipa_analyze_stmt_uses): Likewise.
1430         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1431         (print_edge_addition_message): Work on edges rather than on notes.
1432         (update_call_notes_after_inlining): Likewise, renamed to
1433         update_indirect_edges_after_inlining.
1434         (ipa_create_all_structures_for_iinln): New function.
1435         (ipa_free_node_params_substructures): Do not free notes.
1436         (ipa_edge_duplication_hook): Propagate bits within
1437         iinlining_processed_edges bitmap.
1438         (ipa_node_duplication_hook): Do not duplicate notes.
1439         (free_all_ipa_structures_after_ipa_cp): Renamed to
1440         ipa_free_all_structures_after_ipa_cp.
1441         (free_all_ipa_structures_after_iinln): Renamed to
1442         ipa_free_all_structures_after_iinln.g
1443         (ipa_write_param_call_note): Removed.
1444         (ipa_read_param_call_note): Removed.
1445         (ipa_write_indirect_edge_info): New function.
1446         (ipa_read_indirect_edge_info): Likewise.
1447         (ipa_write_node_info): Do not stream notes, do stream information
1448         in indirect edges.
1449         (ipa_read_node_info): Likewise.
1450         (lto_ipa_fixup_call_notes): Removed.
1451         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1452         * ipa-inline.c (pass_ipa_inline): Likewise.
1453         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1454         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1455         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1456         is_gimple_call.
1457         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1458         edges.
1459         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1460         (output_cgraph): Stream also indirect edges.
1461         (lto_output_edge): Added capability to stream indirect edges.
1462         (input_edge): Likewise.
1463         (input_cgraph_1): Likewise.
1464         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1465         of indirect edges.
1466
1467 2010-04-28  Richard Guenther  <rguenther@suse.de>
1468
1469         PR tree-optimization/43879
1470         PR tree-optimization/43909
1471         * tree-ssa-structalias.c (struct variable_info): Add
1472         only_restrict_pointers flag.
1473         (new_var_info): Initialize it.  Increment stats.total_vars here.
1474         (create_function_info_for): Do not increment stats.total_vars
1475         here.
1476         (get_function_part_constraint): Fix build with C++.
1477         (insert_into_field_list): Remove.
1478         (push_fields_onto_fieldstack): Properly merge fields.
1479         (create_variable_info_for): Split and simplify.
1480         (create_variable_info_for_1): New piece.
1481         (intra_create_variable_infos): Properly make restrict constraints
1482         from parameters.
1483
1484 2010-04-28  Richard Guenther  <rguenther@suse.de>
1485
1486         PR c++/43880
1487         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1488
1489 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1490             Jan Hubicka <hubicka@ucw.cz>
1491
1492         * doc/invoke.texi (-Wsuggest-attribute=const,
1493         -Wsuggest-attribute=pure): Document.
1494         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1495         (function_always_visible_to_compiler_p,
1496         suggest_attribute, warn_function_pure, warn_function_const):
1497         New functions.
1498         (check_call): Improve debug info.
1499         (analyze_function): Do not check availability.
1500         (add_new_function): Check availability.
1501         (propagate): Output warnings.
1502         (skip_function_for_local_pure_const): New function.
1503         (local_pure_const): Use it; output warnings.
1504         * common.opt (Wsuggest-attribute=const,
1505         Wsuggest-attribute=pure): New.
1506
1507 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1508
1509         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1510         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1511         or DW_CFA_def_cfa_offset{,_sf}.
1512
1513 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1514
1515         * tree.h: Fix truncated long macros.
1516
1517 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1518
1519         * collect2.c (TARGET_64BIT): Redefine to target's default.
1520         * tlink.c: Likewise.
1521         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1522         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1523         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1524         for underscoring __USER_LABEL_PREFIX__.
1525         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1526         (SUB_LINK_ENTRY32): New.
1527         (SUB_LINK_ENTRY64): New.
1528         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1529         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1530         (SUB_LINK_ENTRY64): New.
1531         (SUB_LINK_ENTRY): New.
1532         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1533         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1534         x64 target is choosen.
1535         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1536         * configure: Regenerated.
1537         * configure.ac (leading-mingw64-underscores): Option added.
1538
1539 2010-04-27  Jan Hubicka  <jh@suse.cz>
1540
1541         * doc/invoke.texi (-fipa-profile): Document.
1542         * opts.c (decode_options): Enable ipa-profile at -O1.
1543         * timevar.def (TV_IPA_PROFILE): Define.
1544         * common.opt (fipa-profile): Add.
1545         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1546         flag for clones.
1547         (cgraph_propagate_frequency): Handle only local ones.
1548         * tree-pass.h (pass_ipa_profile): Declare.
1549         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1550         (pass_ipa_profile): Use TV_IPA_PROFILE.
1551         * ipa.c (ipa_profile): New function.
1552         (gate_ipa_profile): Likewise.
1553         (pass_ipa_profile): New global variable.
1554         * passes.c (pass_ipa_profile): New.
1555
1556 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1557
1558         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1559
1560 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1561
1562         PR middle-end/43812
1563         * ipa.c (dissolve_same_comdat_group_list): New function.
1564         (function_and_variable_visibility): Call
1565         dissolve_same_comdat_group_list when comdat group contains external or
1566         newly local nodes.
1567         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1568         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1569
1570 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1571
1572         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1573         (const_hash_1) <VECTOR_CST>: New case.
1574         (compare_constant) <VECTOR_CST>: Likewise.
1575         <ADDR_EXPR>: Deal with LABEL_REFs.
1576         (copy_constant) <VECTOR_CST>: New case.
1577
1578 2010-04-27  Jan Hubicka  <jh@suse.cz>
1579
1580         * cgraph.c (cgraph_propagate_frequency): New function.
1581         * cgraph.h (cgraph_propagate_frequency): Declare.
1582         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1583         cgraph_propagate_frequency.
1584
1585 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1586
1587         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1588
1589 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1590
1591         PR target/40657
1592         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1593         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1594         here to determine which regs to push and how much stack to reserve.
1595
1596 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1597
1598         * doc/gimple.texi (gimple_statement_with_ops): Remove
1599         addresses_taken field.
1600         (gimple_statement_with_memory_ops): Likewise.
1601
1602 2010-04-27  Jan Hubicka  <jh@suse.cz>
1603
1604         * tree-inline.c (eni_inlining_weights): Remove.
1605         (estimate_num_insns): Special case more builtins.
1606
1607 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1608
1609         PR c/32207
1610         * c-typeck.c (build_binary_op): Move forward check for comparison
1611         pointer with null pointer constant and adjust the diagnostic message.
1612
1613 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1614
1615         PR lto/42776
1616         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1617         binutils supports extended .section directive needed by LTO, or
1618         warn if older binutils found.
1619         (LTO_BINARY_READER): New AC_SUBST'd variable.
1620         (LTO_USE_LIBELF): Likewise.
1621         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1622         variable.
1623         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1624         (LTO_USE_LIBELF): Likewise.
1625         * configure: Regenerate.
1626
1627         * collect2.c (is_elf): Rename from this ...
1628         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1629          object files in addition to ELF-formatted ones.
1630         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1631         symbol to be prefixed or not by an extra underscore.
1632
1633         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1634         * config/i386/winnt.c: Also #include lto-streamer.h
1635         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1636         LTO named sections.
1637         (i386_pe_asm_output_aligned_decl_common): Add comment.
1638         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1639
1640 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1641
1642         PR target/43889
1643         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1644         Add missing earlyclobber for second alternative.
1645
1646 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1647
1648         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1649         bits for artificial defs at the top of the block.
1650         * fwprop.c (single_def_use_enter_block): Don't call it.
1651
1652 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1653
1654         PR 43715
1655         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1656         instead of "$gcc_cv_objdump -T".
1657         Use "-undefined dynamic_lookup" on darwin.
1658         * gcc/configure: Regenerate.
1659
1660 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1661
1662         PR c/43893
1663         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1664
1665 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1666
1667         * c-parser.c (struct c_token): Move location field up.
1668         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1669         (struct c_declspecs): Convert typespec_word, storage_class, and
1670         default_int_p into bitfields.
1671         (struct c_declarator): Move loc field up.
1672
1673 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1674
1675         * cfgloop.h (struct loop): Move can_be_parallel field up.
1676         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1677         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1678         down.
1679         (struct iv_cand): Convert pos field into a bitfield.
1680         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1681         field up.
1682         (struct _stmt_vec_info): Shuffle fields for better packing.
1683
1684 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1685
1686         * varasm.c (IN_NAMED_SECTION): Remove guard.
1687         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1688         (IN_NAMED_SECTION_P): ...this.
1689         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1690         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1691
1692 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1693
1694         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1695         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1696         of shadowing it.  Fix comments.
1697
1698 2010-04-26  Jan Hubicka  <jh@suse.cz>
1699
1700         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1701         (cgraph_clone_node): Copy function frequency.
1702         * cgraph.h (node_frequency): New enum
1703         (struct cgraph_node): Add.
1704         * final.c (rest_of_clean_state): Update.
1705         * lto-cgraph.c (lto_output_node): Output node frequency.
1706         (input_overwrite_node): Input node frequency.
1707         * tre-ssa-loop-ivopts (computation_cost): Update.
1708         * lto-streamer-out.c (output_function): Do not output function
1709         frequency.
1710         * predict.c (maybe_hot_frequency_p): Update and handle functions
1711         executed once.
1712         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1713         attribute lookup.
1714         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1715         (compute_function_frequency): Set noreturn functions to be executed
1716         once.
1717         (choose_function_section): Update.
1718         * lto-streamer-in.c (input_function): Do not input function frequency.
1719         * function.c (allocate_struct_function): Do not initialize function
1720         frequency.
1721         * function.h (function_frequency): Remove.
1722         (struct function): Remove function frequency.
1723         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1724         (try_update): Update.
1725         * tree-inline.c (initialize_cfun): Do not update function frequency.
1726         * passes.c (pass_init_dump_file): Update.
1727         * i386.c (ix86_compute_frame_layout): Update.
1728         (ix86_pad_returns): Update.
1729
1730 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1731
1732         PR tree-optimization/43833
1733         * tree-vrp.c (range_int_cst_p): New.
1734         (range_int_cst_singleton_p): New.
1735         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1736         when both operands are constants.  Use range_int_cst_p in
1737         BIT_IOR_EXPR case.
1738
1739 2010-04-26  Jan Hubicka  <jh@suse.cz>
1740
1741         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1742
1743 2010-04-26  Richard Guenther  <rguenther@suse.de>
1744
1745         PR lto/43080
1746         * gimple.c (gimple_decl_printable_name): Deal gracefully
1747         with a NULL DECL_NAME.
1748
1749 2010-04-26  Richard Guenther  <rguenther@suse.de>
1750
1751         PR lto/42425
1752         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1753         if emitting debug information and it is either a function
1754         or a namespace decl.
1755
1756 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1757
1758         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1759         determine if the statement is vectorizable, and a macro to access it.
1760         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1761         Skip statements that can't be vectorized. If the analysis fails,
1762         mark the statement as unvectorizable if vectorizing basic block.
1763         (vect_compute_data_refs_alignment): Likewise.
1764         (vect_verify_datarefs_alignment): Skip statements marked as
1765         unvectorizable. Add print.
1766         (vect_analyze_group_access): Skip statements that can't be
1767         vectorized. If the analysis fails, mark the statement as
1768         unvectorizable if vectorizing basic block.
1769         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1770         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1771         generated stmts for SLP.
1772         (new_stmt_vec_info): Initialize the new field.
1773         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1774         statements marked as unvectorizable.
1775
1776 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1777
1778         * c-common.c (flag_isoc1x): New.
1779         (flag_isoc99): Update comment.
1780         * c-common.h (flag_isoc1x): New.
1781         (flag_isoc99): Update comment.
1782         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1783         __<type>_DECIMAL_DIG__.
1784         * c-opts.c (set_std_c1x): New.
1785         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1786         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1787         * c.opt (-std=c1x, -std=gnu1x): New options.
1788         * doc/cpp.texi: Mention -std=c1x.
1789         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1790         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1791         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1792         * doc/standards.texi: Mention C1X.
1793         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1794         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1795         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1796         Define for C1X.
1797
1798 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1799
1800         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1801         placeholder from 0x%x to %#x.
1802         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1803         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1804         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1805         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1806         * config/i386/i386.c (ix86_target_string): Ditto.
1807         (output_pic_addr_const): Ditto.
1808         (print_operand): Ditto.
1809
1810 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1811
1812         * combine.c (find_split_point): Add third argument.  Use it
1813         to find nested multiply-accumulate instructions.  Adjust calls.
1814         (try_combine): Adjust call to find_split_point.
1815
1816 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1817
1818         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1819
1820 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1821
1822         PR tree-optimization/41442
1823         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1824         (fold_binary_loc): Call it.
1825
1826 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1827
1828         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1829         * opts.c (common_handle_option): Allow disabling it.
1830         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1831
1832 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1833
1834         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1835         between modes if both types are integral.
1836
1837 2010-04-23  Richard Guenther  <rguenther@suse.de>
1838
1839         PR tree-optimization/43572
1840         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1841
1842 2010-04-23  Richard Guenther  <rguenther@suse.de>
1843
1844         PR lto/43455
1845         * tree-inline.c (tree_can_inline_p): Also check compatibility
1846         of return types.
1847
1848 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1849
1850         PR tree-optimization/43846
1851         * tree-sra.c (struct access): New flag grp_assignment_read.
1852         (build_accesses_from_assign): Set grp_assignment_read.
1853         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1854         (enum mark_read_status): New type.
1855         (analyze_access_subtree): Propagate grp_assignment_read, create
1856         accesses also if both direct_read and root->grp_assignment_read.
1857
1858 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1859
1860         PR middle-end/43835
1861         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1862         function does not have type attributes.
1863
1864 2010-04-23  Richard Guenther  <rguenther@suse.de>
1865
1866         PR lto/42653
1867         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1868         of FUNCTION_DECLs.
1869
1870 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1871
1872         * sese.h (create_if_region_on_edge): Remove.
1873
1874         * sese.c (create_if_region_on_edge): Make static.
1875
1876         * tree-inline.c: Do not include ggc.h.
1877
1878         * expr.c: Do not include ggc.h.
1879
1880         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1881         dependencies.
1882
1883 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1884
1885         PR target/43744
1886         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1887         in the middle of insns for casesi_worker_2.
1888
1889 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1890
1891         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1892
1893 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1894
1895         PR tree-optimization/43842
1896         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1897         loop unrolling in update of exit phis. Fix comment.
1898         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1899         least two reduction statements in the loop before starting SLP
1900         analysis.
1901
1902 2010-04-22  Nick Clifton  <nickc@redhat.com>
1903
1904         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1905
1906 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1907
1908         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1909         to simplify a + ~a.
1910
1911 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1912
1913         * tree-parloops.c (loop_parallel_p): New argument
1914         parloop_obstack.  Pass it down.
1915         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1916         pass it down, free it.
1917
1918         * tree-loop-linear.c (linear_transform_loops): Pass down
1919         lambda_obstack.
1920
1921         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1922         of type struct obstack *.
1923
1924         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1925         scratch_obstack.  Initialize it, pass down, free it.
1926
1927         * lambda.h (lambda_loop_new): Remove.
1928         (lambda_matrix_new, lambda_matrix_inverse)
1929         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1930         argument of type struct obstack *.
1931
1932         * lambda-trans.c (lambda_trans_matrix_new): New argument
1933         lambda_obstack.  Pass it down, use obstack allocation for ret.
1934         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1935         it down.
1936
1937         * lambda-mat.c (lambda_matrix_get_column)
1938         (lambda_matrix_project_to_null): Remove.
1939         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1940         allocation for mat.
1941         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1942         lambda_obstack.
1943
1944         * lambda-code.c (lambda_loop_new): New function.
1945         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1946         (lambda_compute_auxillary_space, lambda_compute_target_space)
1947         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1948         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1949         (build_access_matrix): New argument lambda_obstack.  Use obstack
1950         allocation for am.
1951         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1952         argument lambda_obstack.  Pass it down.
1953
1954 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1955
1956         * optabs.h (expand_widening_mult): Declare.
1957
1958 2010-04-22  Richard Guenther  <rguenther@suse.de>
1959
1960         PR tree-optimization/43845
1961         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1962         lookup the CALL_EXPR function and arguments.
1963
1964 2010-04-22  Nick Clifton  <nickc@redhat.com>
1965
1966         * config/stormy16/stormy16.c
1967         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1968         * config/stormy16/stormy16.h: Tidy up formatting.
1969         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1970         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1971         (ineqbranchsi): Delete pattern.
1972         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1973         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1974         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1975         stormy16-lib2-ucmpsi2.c.
1976
1977 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1978
1979         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1980         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1981         extra set merge_set_noclobber, and use it to relax the final test
1982         slightly.
1983         * df.h (df_simulate_find_noclobber_defs): Declare.
1984         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1985         conditional defs.
1986         (df_simulate_find_noclobber_defs): New function.
1987
1988 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1989
1990         * config/i386/i386.md: Use {} around multi-line preparation statements.
1991
1992 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1993
1994         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1995         (process_init_element): New argument of type struct obstack *.
1996
1997         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1998         (set_init_index, set_init_label, set_nonincremental_init)
1999         (set_nonincremental_init_from_string, find_init_member)
2000         (output_init_element, output_pending_init_elements)
2001         (process_init_element): New argument braced_init_obstack.  Pass it
2002         down.
2003         (push_range_stack, add_pending_init): New argument
2004         braced_init_obstack.  Use obstack allocation.
2005
2006         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2007         braced_init_obstack.  Pass it down.
2008         (c_parser_braced_init): New variables ret, braced_init_obstack.
2009         Initialize obstack, pass it down and finally free it.
2010
2011 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2012
2013         PR middle-end/29274
2014         * tree-pass.h (pass_optimize_widening_mul): Declare.
2015         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2016         gate_optimize_widening_mul): New static functions.
2017         (pass_optimize_widening_mul): New.
2018         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2019         <case MULT_EXPR>: Remove support for widening multiplies.
2020         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2021         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2022         simplify_gen_unary rather than directly building extensions.
2023         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2024         WIDEN_MULT_EXPR.
2025         * expmed.c (expand_widening_mult): New function.
2026         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2027
2028 2010-04-21  Jan Hubicka  <jh@suse.cz>
2029
2030         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2031         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2032         * lto-wpa-fixup.c: Remove.
2033         * Makefile.in (lto-wpa-fixup.o): Remove.
2034         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2035         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2036         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2037
2038 2010-04-21  Jan Hubicka  <jh@suse.cz>
2039
2040         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2041         add write_optimization_summary, read_optimization_summary.
2042         (ipa_write_summaries_of_cgraph_node_set): Remove.
2043         (ipa_write_optimization_summaries): Declare.
2044         (ipa_read_optimization_summaries): Declare.
2045         * ipa-cp.c (pass_ipa_cp): Update.
2046         * ipa-reference.c (pass_ipa_reference): Update.
2047         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2048         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2049         Update.
2050         * ipa-inline.c (pass_ipa_inline): Update.
2051         * ipa.c (pass_ipa_whole_program): Update.
2052         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2053         * passes.c (ipa_write_summaries_1): Do not test wpa.
2054         (ipa_write_optimization_summaries_1): New.
2055         (ipa_write_optimization_summaries): New.
2056         (ipa_read_summaries): Do not test ltrans.
2057         (ipa_read_optimization_summaries_1): New.
2058         (ipa_read_optimization_summaries): New.
2059
2060 2010-04-21  Jan Hubicka  <jh@suse.cz>
2061
2062         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2063         for boundary nodes.
2064         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2065
2066 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2067
2068         PR debug/40040
2069         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2070         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2071
2072 2010-04-21  Jan Hubicka  <jh@suse.cz>
2073
2074         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2075
2076 2010-04-21  Jan Hubicka  <jh@suse.cz>
2077
2078         * varpool.c (decide_is_variable_needed): Variable is always needed
2079         during ltrans.
2080
2081 2010-04-21  Jan Hubicka  <jh@suse.cz>
2082
2083         * opts.c (decode_options): Enable pure-const pass for whopr.
2084
2085 2010-04-21  Jan Hubicka  <jh@suse.cz>
2086
2087         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2088         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2089         at WPA dumping.
2090         (cgraph_decide_inlining): Do not expect callee to be removed in all
2091         cases.
2092
2093 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2094
2095         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2096
2097 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2098
2099         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2100         amdfam10_decode attributes.
2101
2102 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2103
2104         PR middle-end/43570
2105         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2106         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2107         (lower_copyprivate_clauses): Use private var in outer
2108         context instead of original var.  Make sure the types
2109         are correct for VLAs.
2110
2111 2010-04-21  Richard Guenther  <rguenther@suse.de>
2112
2113         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2114         to non-pointer objects.
2115
2116 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2117
2118         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2119         last chain entry if it starts with the still current label.
2120         (add_location_or_const_value_attribute): Check that
2121         loc_list->first->next is NULL instead of comparing ->first with ->last.
2122         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2123         to add_var_loc_to_decl.
2124
2125         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2126         >= 4 add also address size and segment size fields into CIE header.
2127
2128         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2129         long as address size is the same as sizeof (void *) and
2130         segment size is 0.
2131         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2132         address size or segment size is unexpected, return DW_EH_PE_omit.
2133         (classify_object_over_fdes): If get_cie_encoding returned
2134         DW_EH_PE_omit, return -1.
2135         (init_object): If classify_object_over_fdes returned -1,
2136         pretend there were no FDEs at all.
2137
2138 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2139
2140         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2141         bswap{si,di}2 using SWI48 mode iterator.
2142         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2143         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2144         set modrm attribute of bswap insn to 0 and remove length attribute.
2145         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2146         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2147         set mode attribute to <MODE> and remove length attribute.
2148
2149 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2150
2151         PR rtl-optimization/43520
2152         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2153         zero available registers.
2154
2155 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2156
2157         * builtins.c (fold_builtin_cproj): Fold more cases.
2158
2159 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2160
2161         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2162         (fold_builtin_1): Fold builtin cproj.
2163         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2164         Use ATTR_CONST_NOTHROW_LIST.
2165
2166 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2167
2168         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2169         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2170         ffsi2_no_cmove for !TARGET_CMOVE.
2171         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2172         (ffssi2): Remove expander.
2173         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2174         mode iterator.
2175         (ctz<mode>2): Ditto from ctz{si,di}2.
2176         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2177         mode iterator.
2178         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2179         mode iterator.
2180
2181 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2182
2183         * dwarf2out.c (AT_linkage_name): Define.
2184         (clone_as_declaration): Handle DW_AT_linkage_name.
2185         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2186         of DW_AT_MIPS_linkage_name.
2187         (move_linkage_attr): Likewise.
2188         (dwarf2out_finish): Likewise.
2189
2190 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2191
2192         PR middle-end/41952
2193         * fold-const.c (fold_comparison): New folding rule.
2194
2195 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2196
2197         * double-int.h (double_int_setbit): Declare.
2198         * double-int.c (double_int_setbit): New function.
2199         * rtl.h (immed_double_int_const): Declare.
2200         * emit-rtl.c (immed_double_int_const): New function.
2201         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2202         and immed_double_int_const functions.
2203         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2204         expand_copysign_bit):  (Ditto.).
2205         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2206         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2207         * dojump.c (prefer_and_bit_test): (Ditto.).
2208         * expr.c (convert_modes, reduce_to_bit_field_precision,
2209         const_vector_from_tree): (Ditto.).
2210         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2211
2212 2010-04-20  Jan Hubicka  <jh@suse.cz>
2213
2214         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2215         (dump_cgraph_node): Dump new flags.
2216         * cgraph.h (struct cgraph_node): Add flags
2217         reachable_from_other_partition and in_other_partition.
2218         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2219         other partition can not be removed.
2220         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2221         the other partition must be output; silence sanity checking on
2222         leaking functions bodies from other paritition.
2223         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2224         (lto_output_node): Output new flags; do not sanity check that inline
2225         clones are output; drop lto_forced_extern_inline_p code; do not mock
2226         visibility flags at partition boundaries.
2227         (add_node_to): New function.
2228         (output_cgraph): Use it to sort functions so masters appear before
2229         clones.
2230         (input_overwrite_node): Input new flags.
2231         * passes.c (ipa_write_summaries): Do not call
2232         lto_new_extern_inline_states.
2233         * lto-section-out.c (forced_extern_inline,
2234         lto_new_extern_inline_states lto_delete_extern_inline_states,
2235         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2236         * lto-streamer.h (lto_new_extern_inline_states,
2237         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2238         lto_forced_extern_inline_p): Kill.
2239
2240 2010-04-20  Richard Guenther  <rguenther@suse.de>
2241
2242         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2243         from vars that can have pointers.
2244         (process_constraint): Dump useless constraints.
2245
2246 2010-04-20  Richard Guenther  <rguenther@suse.de>
2247
2248         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2249         (dump_sa_points_to_info): Remove asserts.
2250         (init_base_vars): nothing_id isn't an escape point nor does it
2251         have pointers.
2252
2253 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2254
2255         * tree.h (TYPE_REF_IS_RVALUE): Define.
2256         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2257         should_move_die_to_comdat, prune_unused_types_walk): Handle
2258         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2259         (modified_type_die, gen_reference_type_die): Emit
2260         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2261         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2262
2263 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2264
2265         PR target/43635
2266         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2267         calls for -fpic -m31 if they have been sibcall optimized.
2268
2269 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2270
2271         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2272         ar.lc fixed and call-used.
2273
2274         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2275
2276 2010-04-19  Jan Hubicka  <jh@suse.cz>
2277
2278         * opts.c (decode_options): Disable whpr incompatible passes.
2279         * lto/lto.c (lto_1_to_1_map): Skip clones.
2280         (read_cgraph_and_symbols): Do not mark everything as needed.
2281         (do_whole_program_analysis): Do map only after optimizing;
2282         set proper cgraph_state; use passmanager.
2283
2284 2010-04-19  DJ Delorie  <dj@redhat.com>
2285
2286         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2287         POINTER_PLUS_EXPR and fix them.
2288
2289 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2290
2291         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2292         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2293         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2294         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2295         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2296         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2297         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2298         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2299         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2300         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2301         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2302
2303 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2304
2305         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2306         (check_cond_move_block): Likewise.
2307         (cond_move_process_if_block): Likewise.
2308         (noce_find_if_block): Improve formatting.
2309         (find_if_header): Pass 0 to memset and tweak conditions.
2310         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2311
2312 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2313
2314         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2315         for -gdwarf-4.
2316
2317         PR middle-end/43337
2318         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2319         with non-local decl doesn't need chain.
2320
2321 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2322
2323         * ira-color.c (allocno_reload_assign): Avoid accumulating
2324         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2325
2326 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2327
2328         * gimple.h (create_tmp_reg): Declare.
2329         * gimplify.c (create_tmp_reg): New function.
2330         (gimplify_return_expr): Use create_tmp_reg.
2331         (gimplify_omp_atomic): Likewise.
2332         (gimple_regimplify_operands): Likewise.
2333         * tree-dfa.c (make_rename_temp): Likewise.
2334         * tree-predcom.c (predcom_tmp_var): Likewise.
2335         (reassociate_to_the_same_stmt): Likewise.
2336         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2337         (get_replaced_param_substitute): Likewise.
2338         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2339         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2340         * tree-ssa-pre.c (get_representative_for): Likewise.
2341         (create_expression_by_pieces): Likewise.
2342         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2343         (create_tailcall_accumulator): Likewise.
2344
2345 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2346
2347         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2348         new_stmt.
2349         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2350
2351 2010-04-19  Richard Guenther  <rguenther@suse.de>
2352
2353         PR tree-optimization/43796
2354         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2355         from SCEV in the lattice.
2356         (vrp_visit_phi_node): Dump change.
2357
2358 2010-04-19  Richard Guenther  <rguenther@suse.de>
2359
2360         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2361         * configure: Re-generated.
2362
2363 2010-04-19  Richard Guenther  <rguenther@suse.de>
2364
2365         PR tree-optimization/43783
2366         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2367         constant ARRAY_REF operands two and three if possible.
2368
2369 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2370
2371         PR target/43766
2372         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2373
2374 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2375
2376         PR target/43662
2377         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2378
2379 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2380
2381         PR tree-optimization/37027
2382         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2383         and macro to access it.
2384         (vectorizable_reduction): Add argument.
2385         (vect_get_slp_defs): Likewise.
2386         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2387         statements for possible use in SLP.
2388         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2389         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2390         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2391         add new argument.
2392         (vectorizable_reduction): Likewise.
2393         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2394         vect_get_slp_defs.
2395         (vectorizable_type_demotion, vectorizable_type_promotion,
2396         vectorizable_store): Likewise.
2397         (vect_analyze_stmt): Update call to vectorizable_reduction.
2398         (vect_transform_stmt): Likewise.
2399         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2400         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2401         from different interleaving chains in same node.
2402         (vect_slp_rearrange_stmts): New function.
2403         (vect_supported_load_permutation_p): Allow load permutations for
2404         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2405         inside SLP nodes if necessary.
2406         (vect_analyze_slp_instance): Handle reductions.
2407         (vect_analyze_slp): Try to build SLP instances originating from groups
2408         of reductions.
2409         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2410         (vect_get_constant_vectors): Create initial vectors for reductions
2411         according to reduction code. Add new argument.
2412         (vect_get_slp_defs): Add new argument, pass it to
2413         vect_get_constant_vectors.
2414         (vect_schedule_slp_instance): Remove SLP tree root statements.
2415
2416 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2417
2418         * tree.h (ENUM_IS_SCOPED): Define.
2419         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2420         for ENUM_IS_SCOPED enums.
2421
2422 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2423
2424         * fold-const.c (fold_comparison): Use ssizetype.
2425         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2426         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2427         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2428         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2429
2430         * tree.h (initialize_sizetypes): Remove parameter.
2431         (build_common_tree_nodes): Remove second parameter.
2432         * stor-layout.c (initialize_sizetypes): Remove parameter.
2433         Always create an unsigned type.
2434         (set_sizetype): Assert that the passed type is unsigned and simplify.
2435         * tree.c (build_common_tree_nodes): Remove second parameter.
2436         Adjust call to initialize_sizetypes.
2437         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2438         build_common_tree_nodes.
2439
2440 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2441
2442         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2443
2444 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2445
2446         PR tree-optimization/43771
2447         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2448         load permutation doesn't have gaps.
2449
2450 2010-04-18  Jan Hubicka  <jh@suse.cz>
2451
2452         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2453         (sse_prologue_save_insn expander): Use new pattern.
2454         (sse_prologue_save_insn1): New pattern and splitter.
2455         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2456         blocks.
2457         * i386.c (setup_incoming_varargs_64): Do not compute jump
2458         destination here.
2459         (ix86_gimplify_va_arg): Update alignment needed.
2460         (ix86_local_alignment): Do not align all local arrays to 128bit.
2461
2462 2010-04-17  Jan Hubicka  <jh@suse.cz>
2463
2464         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2465
2466 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2467
2468         * arm.md (negdi2): Remove redundant code to force values into a
2469         register.
2470
2471 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2472
2473         * arm/bpabi.S: Add EABI alignment attributes to objects.
2474         * arm/bpabi-v6m.S: Likewise.
2475         * arm/crti.asm: Likewise.
2476         * arm/crtn.asm: Likewise.
2477         * arm/lib1funcs.asm: Likewise.
2478         * arm/libunwind.S: Likewise.
2479
2480 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2481
2482         * arm-protos.h (tune_params): New structure.
2483         * arm.c (current_tune): New variable.
2484         (arm_constant_limit): Delete.
2485         (struct processors): Add pointer to the tune parameters.
2486         (arm_slowmul_tune): New tuning option.
2487         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2488         (all_cores): Adjust to pick up the tuning model.
2489         (arm_constant_limit): New function.
2490         (arm_override_options): Select the appropriate tuning model.  Delete
2491         initialization of arm_const_limit.
2492         (arm_split_constant): Use the new constant-limit model.
2493         (arm_rtx_costs): Pick up the current tuning model.
2494         * arm.md (is_strongarm, is_xscale): Delete.
2495         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2496         for Xscale variant architectures.
2497         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2498
2499 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2500
2501         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2502         can_shift.
2503         (arm_rtx_costs_1): Remove unused variable extra_cost.
2504         (arm_unwind_emit_set): Use variable offset.
2505         (thumb1_output_casesi): Remove unused variable flags.
2506
2507 2010-04-16  Jeff Law  <law@redhat.com>
2508
2509         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2510         needing assignment rather than doing a two-phase assignment.  Remove
2511         unused variable 'm'.
2512
2513 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2514
2515         PR bootstrap/43767
2516         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2517
2518 2010-04-16  Doug Kwan  <dougkwan@google.com>
2519
2520         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2521         (next_operand_entry_id): New static variable.
2522         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2523         (add_to_ops_vec): Assigned unique ID to operand entry.
2524         (struct oecount_s): New field ID.
2525         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2526         (undistribute_ops_list): Assign unique IDs to oecounts.
2527         (init_reassoc): reset next_operand_entry_id.
2528
2529 2010-04-16  Doug Kwan  <dougkwan@google.com>
2530
2531         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2532         missing left parenthesis.
2533
2534 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2535
2536         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2537         *btdi_rex64 using SWI48 mode iterator.
2538         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2539         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2540         *jcc_btdi_mask_rex64.
2541
2542 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2543
2544         * double-int.h (tree_to_double_int): Convert to macro.
2545         * double-int.c (tree_to_double_int): Remove.
2546
2547 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2548
2549         PR debug/43762
2550         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2551         with want_address 2 and in case a single element list might be
2552         possible, call it again with want_address 0.
2553
2554 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2555
2556         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2557         case 'W' print operands for HI mode.
2558         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2559         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2560         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2561         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2562
2563         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2564
2565         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2566         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2567         #xx:3 and #xx:4 mode.
2568
2569         * config/h8300/h8300.md (inverted load with HImode dest): Add
2570         support for H8300SX.
2571
2572         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2573         satisfy 'U' constraint.
2574
2575 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2576
2577         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2578         * configure: Regenerate.
2579         * config.in: Regenerate.
2580         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2581         works.
2582
2583 2010-04-16  Richard Guenther  <rguenther@suse.de>
2584
2585         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2586         (struct tree_decl_common): ... here.
2587         (DECL_PT_UID): Adjust.
2588         (SET_DECL_PT_UID): Likewise.
2589         (DECL_PT_UID_SET_P): Likewise.
2590
2591 2010-04-16  Richard Guenther  <rguenther@suse.de>
2592
2593         PR tree-optimization/43572
2594         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2595         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2596         * tree-flow.h (is_call_clobbered): Remove.
2597         * tree-flow-inline.h (is_call_clobbered): Likewise.
2598         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2599         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2600         (execute_return_slot_opt): Adjust.
2601         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2602         check for call clobbered vars here.
2603         (find_tail_calls): Move tailcall verification to the
2604         proper place.
2605
2606 2010-04-16  Diego Novillo  <dnovillo@google.com>
2607
2608         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2609
2610 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2611
2612         PR target/40603
2613         * config/arm/arm.md (cbranchqi4): New pattern.
2614         * config/arm/predicates.md (const0_operand,
2615         cbranchqi4_comparison_operator): New predicates.
2616
2617 2010-04-16  Richard Guenther  <rguenther@suse.de>
2618
2619         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2620         (dump_gimple_stmt): Likewise.
2621
2622 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2623
2624         * recog.h (struct recog_data): New field is_operator.
2625         (struct insn_operand_data): New field is_operator.
2626         * recog.c (extract_insn): Set recog_data.is_operator.
2627         * genoutput.c (output_operand_data): Emit code to set the
2628         is_operator field.
2629         * reload.c (find_reloads): Use it rather than testing for an
2630         empty constraint string.
2631
2632         PR target/41514
2633         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2634         If the previous insn is a cbranchsi4_insn with the same arguments,
2635         omit the compare instruction.
2636
2637         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2638         register, inputs must be low registers and we need a low register
2639         scratch.  Handle alternative 2 like alternative 3.
2640
2641 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2642
2643         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2644         don't call get_addr on both.  If one expression is a VALUE and
2645         the other a REG, check VALUE's locs if the REG isn't among them.
2646
2647 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2648
2649         * config/sh/sh.h (sh_frame_pointer_required): New function.
2650         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2651         (flag_omit_frame_pointer) Set.
2652         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2653         (rounded_frame_size): Adjust size with outgoing_args_size.
2654         (sh_set_return_address): Must return from stack pointer.
2655         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2656         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2657         (ACCUMULATE_OUTGOING_ARGS): Define.
2658         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2659         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2660
2661 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2662
2663         PR target/43471
2664         * config/sh/sh.c (sh_legitimize_reload_address): Use
2665         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2666         Remove a unneeded check for offset_base.
2667
2668 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2669
2670         * configure: Regenerated.
2671
2672 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2673
2674         * config/s390/s390.c (s390_call_save_register_used): Switch back
2675         to HARD_REGNO_NREGS.
2676
2677 2010-04-15  Richard Guenther  <rguenther@suse.de>
2678
2679         * alias.c (alias_set_subset_of): Handle alias-set zero
2680         child properly.
2681
2682 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2683             Julian Brown  <julian@codesourcery.com>
2684
2685         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2686         alternatives according to use of high and low regs.
2687         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2688         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2689         optimizing for size on Thumb-2.
2690
2691 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2692
2693         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2694
2695 2010-04-15  Richard Guenther  <rguenther@suse.de>
2696
2697         * tree-ssa-structalias.c (struct variable_info): Add
2698         is_fn_info flag.
2699         (new_var_info): Initialize it.
2700         (dump_constraints): Support printing last added constraints.
2701         (debug_constraints): Adjust.
2702         (dump_constraint_graph): Likewise.
2703         (make_heapvar_for): Check for NULL cfun.
2704         (get_function_part_constraint): New function.
2705         (get_fi_for_callee): Likewise.
2706         (find_func_aliases): Properly implement IPA PTA constraints.
2707         (process_ipa_clobber): New function.
2708         (find_func_clobbers): Likewise.
2709         (insert_into_field_list_sorted): Remove.
2710         (create_function_info_for): Properly allocate vars for IPA mode.
2711         Do not use insert_into_field_list_sorted.
2712         (create_variable_info_for): Properly generate constraints for
2713         global vars in IPA mode.
2714         (dump_solution_for_var): Always dump the solution.
2715         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2716         (find_what_var_points_to): Adjust.
2717         (pt_solution_set): Change.
2718         (pt_solution_ior_into): New function.
2719         (pt_solution_empty_p): Export.
2720         (pt_solution_includes_global): Adjust.
2721         (pt_solution_includes_1): Likewise.
2722         (pt_solutions_intersect_1): Likewise.
2723         (dump_sa_points_to_info): Check some invariants.
2724         (solve_constraints): Move constraint dumping ...
2725         (compute_points_to_sets): ... here.
2726         (ipa_pta_execute): ... and here.
2727         (compute_may_aliases): Do not re-compute points-to info
2728         locally if IPA info is available.
2729         (ipa_escaped_pt): New global var.
2730         (ipa_pta_execute): Properly implement IPA PTA.
2731         * tree-into-ssa.c (dump_decl_set): Support dumping
2732         decls not in referenced-vars.
2733         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2734         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2735         (dump_points_to_solution): Likewise.
2736         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2737         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2738         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2739         (copy_decl_to_var): Copy DECL_PT_UID.
2740         (copy_result_decl_to_var): Likewise.
2741         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2742         (copy_node_stat): Copy it.
2743         * tree.h (DECL_PT_UID): New macro.
2744         (SET_DECL_PT_UID): Likewise.
2745         (DECL_PT_UID_SET_P): Likewise.
2746         (struct tree_decl_minimal): Add pt_uid member.
2747         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2748         (pt_solution_empty_p): Declare.
2749         (pt_solution_set): Adjust.
2750         (ipa_escaped_pt): Declare.
2751         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2752         * gimple-pretty-print.c (pp_points_to_solution): New function.
2753         (dump_gimple_call): Dump call clobber/use information.
2754         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2755         * tree-pass.h (TDF_ALIAS): New dump option.
2756         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2757         * doc/invoke.texi (-fipa-pta): Update documentation.
2758
2759 2010-04-15  Richard Guenther  <rguenther@suse.de>
2760
2761         * Makefile.in (OBJS-common): Add gimple-fold.o.
2762         (gimple-fold.o): New rule.
2763         * tree.h (maybe_fold_offset_to_reference,
2764         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2765         prototypes ...
2766         * gimple.h: ... here.
2767         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2768         may_propagate_address_into_dereference): Move prototypes ...
2769         * gimple.h: ... here.
2770         * tree-ssa-ccp.c (get_symbol_constant_value,
2771         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2772         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2773         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2774         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2775         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2776         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2777         gimplify_and_update_call_from_tree): Move ...
2778         * gimple-fold.c: ... here.  New file.
2779         (ccp_fold_builtin): Rename to ...
2780         (gimple_fold_builtin): ... this.
2781         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2782
2783 2010-04-15  Richard Guenther  <rguenther@suse.de>
2784
2785         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2786         fit_double_type, force_fit_type_double, add_double_with_sign,
2787         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2788         lrotate_double, rrotate_double, div_and_round_double): Move ...
2789         * double-int.c: ... here.
2790         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2791         add_double, neg_double, mul_double_with_sign, mul_double,
2792         lshift_double, rshift_double, lrotate_double, rrotate_double,
2793         div_and_round_double): Move prototypes ...
2794         * double-int.h: ... here.
2795
2796 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2797
2798         PR target/43742
2799         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2800         matching constraints to ensure inputs match the output.
2801
2802 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2803
2804         PR target/43742
2805         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2806         in an input-only operand.
2807
2808 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2809
2810         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2811         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2812         (double_int_negative_p): Convert to static inline function.
2813         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2814         (double_int_negative_p): Remove.
2815         * tree.h (lshift_double, rshift_double):
2816         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2817         * fold-const.c (fold_convert_const_int_from_real,
2818         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2819         (lshift_double): Change type of arith argument to bool.
2820         (rshift_double): Change type of arith argument to bool. Correct
2821         comment.
2822         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2823
2824 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2825
2826         PR target/21803
2827         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2828         at the start and end of the then/else blocks, and omit them from the
2829         conversion.
2830         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2831         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2832         (flow_find_head_matching_sequence): New function.
2833         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2834         * basic-block.h (flow_find_cross_jump,
2835         flow_find_head_matching_sequence): Declare functions.
2836
2837 2010-04-14  Jason Merrill  <jason@redhat.com>
2838
2839         PR c++/36625
2840         * c-common.c (attribute_takes_identifier_p): New fn.
2841         * c-common.h: Declare it.
2842
2843 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2844
2845         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2846         splitter condition.
2847         (*udivmod<mode>4): Ditto.
2848
2849 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2850
2851         * config/i386/i386.md (maxmin_int): Rename code attribute from
2852         maxminiprefix and update all users.
2853         (maxmin_float): Ditto from maxminfprefix.
2854         (logic): Ditto from logicprefix.
2855         (absneg_mnemonic): Ditto from absnegprefix.
2856         * config/i386/mmx.md: Update all users of maxminiprefix,
2857         maxminfprefix and logicprefix for rename.
2858         * config/i386/sse.md: Ditto.
2859         * config/i386/sync.md (sync_<code><mode>): Update for
2860         logicprefix rename.
2861
2862 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2863
2864         PR 42966
2865         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2866         warnings converted to errors.
2867
2868 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2869
2870         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2871         used insn_type variable.
2872         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2873         to avoid set-but-not-used warning.
2874
2875 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2876
2877         * df-core.c (df_ref_debug): Change format string placeholder
2878         from 0x%x to %#x.
2879         * dwarf2asm.c (dw2_asm_output_data_raw,
2880         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2881         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2882         * dwarf2out.c (output_cfi, output_cfi_directive,
2883         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2884         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2885         Ditto.
2886         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2887         * print-rtl.c (print_rtx): Ditto.
2888
2889 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2890
2891         PR middle-end/42694
2892         * builtins.c (expand_builtin_pow_root): New function to expand pow
2893         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2894         series of sqrt and cbrt calls under -ffast-math.
2895         (expand_builtin_pow): Call it.
2896
2897 2010-04-14  Michael Matz  <matz@suse.de>
2898
2899         PR tree-optimization/42963
2900         * tree-cfg.c (touched_switch_bbs): New static variable.
2901         (group_case_labels_stmt): New function broken out from ...
2902         (group_case_labels): ... here, use the above.
2903         (start_recording_case_labels): Allocate touched_switch_bbs.
2904         (end_recording_case_labels): Deallocate it, call
2905         group_case_labels_stmt.
2906         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2907
2908 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2909
2910         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2911         from insn template.
2912
2913 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2914
2915         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2916
2917 2010-04-13  Jan Hubicka  <jh@suse.cz>
2918
2919         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2920         of optimized out static functions.
2921         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2922         cost computation.  Also sanity check for overflows.
2923         (update_caller_keys): Update cgraph_edge_badness call; properly
2924         update fibheap and sanity check that it is up to date.
2925         (add_new_edges_to_heap): Update cgraph_edge_badness.
2926         (cgraph_decide_inlining_of_small_function): Likewise;
2927         add sanity checking that badness in heap is up to date;
2928         improve dumping of reason; Update badness of calls to the
2929         offline copy of function currently inlined; dump badness
2930         of functions not inlined because of unit growth limits.
2931
2932 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2933
2934         PR middle-end/32628
2935         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2936         because of sign-extension change when converting to sizetype here...
2937         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2938
2939         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2940         the folding to constants.  Remove redundant final conversion.
2941         (fold_binary) <associate>: Do not associate if the re-association of
2942         constants alone overflows.
2943         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2944         to the end of the list.
2945         (multiple_of_p) <COND_EXPR>: New case.
2946
2947 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2948
2949         * opt-functions.awk (opt_sanitized_name): New.
2950         (opt_enum): New.
2951         * optc-gen.awk: Use it
2952         * opth-gen.awk: Use it.
2953
2954 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2955
2956         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2957         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2958         children.  Call replace_uses_with_default_def_ssa_name to handle
2959         SSA_NAES on lhs.
2960
2961 2010-04-13  Michael Matz  <matz@suse.de>
2962
2963         PR middle-end/43730
2964         * builtins.c (expand_builtin_interclass_mathfn): Also create
2965         a register if the predicate doesn't match.
2966
2967 2010-04-13  Diego Novillo  <dnovillo@google.com>
2968
2969         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2970         * c-pch.c: Include timevar.h.
2971         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2972         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2973         * ggc-common.c: Include timevar.h.
2974         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2975         * timevar.def (TV_PCH_SAVE): Define.
2976         (TV_PCH_CPP_SAVE): Define.
2977         (TV_PCH_PTR_REALLOC): Define.
2978         (TV_PCH_PTR_SORT): Define.
2979         (TV_PCH_RESTORE): Define.
2980         (TV_PCH_CPP_RESTORE): Define.
2981
2982 2010-04-13  Michael Matz  <matz@suse.de>
2983
2984         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2985         into MINUS_EXPRs.
2986         (can_reassociate_p): New function.
2987         (break_up_subtract_bb, reassociate_bb): Use it.
2988
2989 2010-04-13  Richard Guenther  <rguenther@suse.de>
2990
2991         PR bootstrap/43737
2992         * builtins.c (c_readstr): Fix assert.
2993
2994 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2995
2996         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2997         when generating cltd insn.
2998
2999         (*ashl<mode>3_1): Remove special handling for register operand 2.
3000         (*ashlsi3_1_zext): Ditto.
3001         (*ashlhi3_1): Ditto.
3002         (*ashlhi3_1_lea): Ditto.
3003         (*ashlqi3_1): Ditto.
3004         (*ashlqi3_1_lea): Ditto.
3005         (*<shiftrt_insn><mode>3_1): Ditto.
3006         (*<shiftrt_insn>si3_1_zext): Ditto.
3007         (*<shiftrt_insn>qi3_1_slp): Ditto.
3008         (*<rotate_insn><mode>3_1): Ditto.
3009         (*<rotate_insn>si3_1_zext): Ditto.
3010         (*<rotate_insn>qi3_1_slp): Ditto.
3011
3012 2010-04-13  Richard Guenther  <rguenther@suse.de>
3013
3014         * tree-ssa-structalias.c (callused_id): Remove.
3015         (call_stmt_vars): New.
3016         (get_call_vi): Likewise.
3017         (lookup_call_use_vi): Likewise.
3018         (lookup_call_clobber_vi): Likewise.
3019         (get_call_use_vi): Likewise.
3020         (get_call_clobber_vi): Likewise.
3021         (make_transitive_closure_constraints): Likewise.
3022         (handle_const_call): Adjust to do per-call call-used handling.
3023         (handle_pure_call): Likewise.
3024         (find_what_var_points_to): Remove general callused handling.
3025         (init_base_vars): Likewise.
3026         (init_alias_vars): Initialize call_stmt_vars.
3027         (compute_points_to_sets): Process call-used and call-clobbered
3028         vars for call statements.
3029         (delete_points_to_sets): Free call_stmt_vars.
3030
3031 2010-04-13  Richard Guenther  <rguenther@suse.de>
3032
3033         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3034         Only add RW dependence for dependence distance zero.
3035         Adjust maximal vectorization factor according to dependences.
3036         Move alignment handling ...
3037         (vect_find_same_alignment_drs): ... here.  New function.
3038         (vect_analyze_data_ref_dependences): Adjust.
3039         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3040         (vect_analyze_data_refs): Adjust minimal vectorization factor
3041         according to data references.
3042         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3043         dependences before determining the vectorization factor.
3044         Analyze alignment after determining the vectorization factor.
3045         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3046         dependences before alignment.
3047         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3048         Adjust prototype.
3049         (vect_analyze_data_refs): Likewise.
3050         (MAX_VECTORIZATION_FACTOR): New define.
3051
3052 2010-04-13  Duncan Sands  <baldrick@free.fr>
3053
3054         * except.h (lang_eh_type_covers): Remove.
3055         * except.c (lang_eh_type_covers): Likewise.
3056
3057 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3058             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3059
3060         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3061         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3062         UNITS_PER_LONG where it is ABI relevant.
3063         (s390_return_addr_rtx): Likewise.
3064         (s390_back_chain_rtx): Likewise.
3065         (s390_frame_area): Likewise.
3066         (s390_frame_info): Likewise.
3067         (s390_initial_elimination_offset): Likewise.
3068         (save_gprs): Likewise.
3069         (s390_emit_prologue): Likewise.
3070         (s390_emit_epilogue): Likewise.
3071         (s390_function_arg_advance): Likewise.
3072         (s390_function_arg): Likewise.
3073         (s390_va_start): Likewise.
3074         (s390_gimplify_va_arg): Likewise.
3075         (s390_function_profiler): Likewise.
3076         (s390_optimize_prologue): Likewise.
3077         (s390_rtx_costs): Likewise.
3078         (s390_secondary_reload): Likewise.
3079         (s390_promote_function_mode): Likewise.
3080         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3081         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3082         registers available.
3083         (s390_unwind_word_mode): New function.
3084         (s390_function_value): Split 64 bit values into register pair if
3085         used as return value.
3086         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3087         function call parameters.  Handle parallels.
3088         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3089         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3090         (DWARF_CIE_DATA_ALIGNMENT): New macro.
3091         (s390_expand_setmem): Remove unused variable src_addr.
3092         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3093         deal with 64 bit registers.
3094         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3095         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3096         (UNITS_PER_LONG): New macro.
3097         * libjava/include/s390-signal.h: Define extended ucontext
3098         structure containing the upper halfs of the 64 bit registers.
3099
3100 2010-04-13  Simon Baldwin  <simonb@google.com>
3101
3102         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3103
3104 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3105
3106         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3107         rvalue on the RHS if the LHS is of a non-renamable type.
3108         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3109
3110 2010-04-13  Matthias Klose  <doko@ubuntu.com>
3111
3112         * gcc.c (cc1_options): Handle -iplugindir before processing
3113         the cc1 spec. Only add -iplugindir once.
3114         (cpp_unique_options): Add -iplugindir option if -fplugin* options
3115         found.
3116         * common.opt (iplugindir): Remove `Separate' property, initialize.
3117         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3118         option.
3119         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3120         (distclean): Remove plugin dir.
3121         * doc/invoke.texi: Document -iplugindir.
3122
3123 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3124
3125         * doc/plugins.texi (Loading Plugins): Document short
3126         -fplugin=foo option.
3127         (Plugin API): Mention default_plugin_dir_name function.
3128
3129         * gcc.c (find_file_spec_function): Add new declaration.
3130         (static_spec_func): Use it for "find-file".
3131         (find_file_spec_function): Add new function.
3132         (cc1_options): Add -iplugindir option if -fplugin* options found.
3133
3134         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3135
3136         * plugin.c (add_new_plugin): Updated comment, and handle short
3137         plugin name.
3138         (default_plugin_dir_name): Added new function.
3139
3140         * common.opt (iplugindir): New option to set the plugin directory.
3141
3142 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3143
3144         * config/i386/i386.md (any_rotate): New code iterator.
3145         (rotate_insn): New code attribute.
3146         (rotate): Ditto.
3147         (SWIM124): New mode iterator.
3148         (<rotate_insn>ti3): New expander.
3149         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3150         any_rotate code iterator.
3151         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3152         using any_rotate code iterator and SWIM124 mode iterator.
3153         (ix86_rotlti3): New insn_and_split pattern.
3154         (ix86_rotrti3): Ditto.
3155         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3156         ix86_rotl{di,ti}3 patterns.
3157         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3158         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3159         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3160         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3161         code iterator and SWI mode iterator.
3162         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3163         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3164         code iterator.
3165         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3166         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3167         (bswap rotatert splitter): Add splitter.
3168         (bswap splitter): Macroize splitter using any_rotate code iterator.
3169         Add insn predicate to split only for TARGET_USE_XCHGB or when
3170         optimizing function for size.
3171
3172 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3173
3174         * config/pa/pa.c (emit_move_sequence): Remove use of
3175         deleted variable flag_argument_noalias.
3176
3177 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3178
3179         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3180         configurations.
3181         Add to unsupported targets list.
3182         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3183         sparc*-sun-solaris2.[567]* from target lists.
3184         * configure: Regenerate.
3185         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3186         removal.
3187         Remove Solaris 7 patch references.
3188         (Specific, sparc-sun-solaris2.7): Removed.
3189         (sparc-sun-solaris2*): Update Solaris 7 example.
3190         (sparc64-*-solaris2*): Likewise.
3191
3192 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3193
3194         * config.build (alpha*-dec-osf4*): Remove.
3195         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3196         of obsolete configurations.
3197         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3198         support.
3199         * config/alpha/t-osf4: Renamed to ...
3200         * config/alpha/t-osf5: ... this.
3201         * config/alpha/osf.h: Renamed to ...
3202         * config/alpha/osf5.h: ... this.
3203         Merged old osf5.h contents.
3204         Update comments.
3205         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3206         (EXTRA_SPECS): Removed.
3207         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3208         reflect removal of Tru64 UNIX V4.0/V5.0 support.
3209         Document that.
3210
3211 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3212
3213         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3214
3215 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3216
3217         PR/43702
3218         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3219         __thiscall convention.
3220
3221 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3222
3223         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3224         orig_base.
3225         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3226
3227 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3228
3229         * function.c (assign_parms_initialize_all): Add unused attribute
3230         to fntype.
3231
3232 2010-04-12  Richard Guenther  <rguenther@suse.de>
3233
3234         * gsstruct.def (GSS_CALL): New.
3235         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3236         * gimple.h: Include tree-ssa-alias.h.
3237         (struct gimple_statement_call): New.
3238         (union gimple_statement_struct_d): Add gimple_call member.
3239         (gimple_call_reset_alias_info): Declare.
3240         (gimple_call_use_set): New function.
3241         (gimple_call_clobber_set): Likewise.
3242         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3243         * gimple.c (gimple_call_reset_alias_info): New function.
3244         (gimple_build_call_1): Call it.
3245         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3246         * tree-inline.c (remap_gimple_stmt): Likewise.
3247         (expand_call_inline): Remove callused handling.
3248         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3249         * tree-dfa.c (dump_variable): Likewise.
3250         * tree-parloops.c (parallelize_loops): Likewise.
3251         * tree-ssa.c (init_tree_ssa): Likewise.
3252         (delete_tree_ssa): Likewise.
3253         * tree-flow-inline.h (is_call_used): Remove.
3254         * tree-flow.h (struct gimple_df): Remove callused member.
3255         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3256         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3257         (ref_maybe_used_by_call_p_1): Simplify.
3258         (call_may_clobber_ref_p_1): Likewise.
3259         * tree-ssa-structalias.c (compute_points_to_sets): Set
3260         the call stmt used and clobbered sets.
3261         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3262         (find_tail_calls): Verify the tail call.
3263
3264 2010-04-12  Richard Guenther  <rguenther@suse.de>
3265
3266         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3267         single-iteration always-inline inlining.
3268         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3269         (cgraph_decide_inlining): Do not handle always-inline specially.
3270         (try_inline): Remove always-inline cycle detection special case.
3271         Do not recurse on always-inlines.
3272         (cgraph_early_inlining): Do not iterate if not optimizing.
3273         (cgraph_gate_early_inlining): remove.
3274         (pass_early_inline): Run unconditionally.
3275         (gate_cgraph_decide_inlining): New function.
3276         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
3277         not inlining or optimizing.
3278         (cgraph_decide_inlining_of_small_functions): Also consider
3279         always-inline functions.
3280         (cgraph_default_inline_p): Return true for nodes which should
3281         disregard inline limits.
3282         (estimate_function_body_sizes): Assume zero size and time for
3283         nodes which are marked as disregarding inline limits.
3284         (cgraph_decide_recursive_inlining): Do not perform recursive
3285         inlining on always-inline nodes.
3286
3287 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
3288
3289         PR bootstrap/43699
3290         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3291         for exprs satisfying handled_component_p.
3292
3293 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
3294
3295         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3296         non-constant aggregate elements.
3297
3298         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3299         is a real initialization.
3300
3301 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
3302
3303         PR c/36774
3304         * c-decl.c (start_function): Move forward check for nested function.
3305
3306 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3307
3308         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3309         * config/sh/sh.c: Include reload.h.
3310         (sh_legitimize_reload_address): New.
3311         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3312         sh_legitimize_reload_address.
3313
3314 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3315
3316         * config/sh/sh.md (*movqi_pop): New insn pattern.
3317         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3318
3319 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3320
3321         * config/i386/i386.md (any_shiftrt): New code iterator.
3322         (shiftrt_insn): New code attribute.
3323         (shiftrt): Ditto.
3324         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3325         using any_shiftrt code iterator.
3326         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3327         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3328         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3329         pattern from corresponding peephole2 patterns.
3330         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3331         using any_shiftrt code iterator.
3332         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3333         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3334         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3335         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3336         *{ashr,lshr}<mode>3_cmp_zext.
3337         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3338
3339 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3340
3341         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3342         scratch register.
3343         (*lshr<mode>3_cconly): Ditto.
3344
3345 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3346
3347         * config/i386/i386.md (lshr<mode>3): Macroize expander from
3348         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3349         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3350         pattern from *lshr{di,ti}3_1 and corresponding splitters using
3351         DWI mode iterator.
3352         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3353         from corresponding peephole2 patterns.
3354         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3355         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3356         and *lshrdi3_1_rex64 using SWI mode iterator.
3357         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3358         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3359         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3360         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3361         and *lshrdi3_cmp_rex64 using SWI mode iterator.
3362         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3363         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3364         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3365         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3366         SWI mode iterator.
3367
3368 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
3369
3370         * config/i386/i386.md (ashr<mode>3): Macroize expander from
3371         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3372         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3373         pattern from *ashr{di,ti}3_1 and corresponding splitters using
3374         DWI mode iterator.
3375         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3376         from corresponding peephole2 patterns.
3377         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3378         (ashrsi3_cvt): Rename from ashrsi3_31.
3379         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3380         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3381         and x86_64_shift_adj_3 using SWI48 mode iterator.
3382         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3383         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3384         and *ashrdi3_1_rex64 using SWI mode iterator.
3385         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3386         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3387         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3388         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3389         and *ashrdi3_cmp_rex64 using SWI mode iterator.
3390         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3391         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3392         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3393         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3394         SWI mode iterator.
3395         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3396         * config/i386/i386.c (ix86_split_ashr): Update for renamed
3397         x86_shift<mode>_adj_3 expanders.
3398
3399 2010-04-10  Wei Guozhi  <carrot@google.com>
3400
3401         PR target/42601
3402         * config/arm/arm.c (arm_pic_static_addr): New function.
3403         (legitimize_pic_address): Call arm_pic_static_addr when it detects
3404         a static symbol.
3405         (arm_output_addr_const_extra): Output expression for new pattern.
3406         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3407
3408 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
3409
3410         * ira-costs.c (record_reg_classes): Ignore alternatives that are
3411         not enabled.
3412
3413         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3414         * web.c: Include "insn-config.h" and "recog.h".
3415         (union_match_dups): New function.
3416         (web_main): Call it.
3417         (union_defs): Don't try to recognize match_dups.
3418
3419         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3420         if doing so would replace the entire pattern.
3421
3422 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3423
3424         PR target/43707
3425         PR target/43709
3426         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3427         and splitter pattern.  Change splitter operand 1 predicate to