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* lto-stramer-out.c (produce_asm_for_decls): Correct accidentally commited change.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-10  Jan Hubicka  <jh@suse.cz>
2
3         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally commited change.
4
5 2010-05-10  Jan Hubicka  <jh@suse.cz>
6
7         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries): Allocate
8         encoders.
9         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
10         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
11         (lto_streamer_cache_create): Init alloc pool.
12         (lto_streamer_cache_delete): Free alloc pool.
13         * lto-streamer.h: Include alloc pool.
14         (lto_streamer_cache_d): Use alloc pool.
15         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
16
17 2010-05-10  Jan Hubicka  <jh@suse.cz>
18
19         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
20         * cgraphbuild.c: Include except.h
21         (record_type_list, record_eh_tables): New function.
22         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
23
24 2010-05-10  Jan Hubicka  <jh@suse.cz>
25
26         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
27         __frame_dummy_init_array_entry, force_to_data): Attribute as used
28         rather than unused.
29
30 2010-05-10  Michael Matz  <matz@suse.de>
31
32         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
33         (can_reassociate_p): Use FLOAT_TYPE_P.
34         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
35         (vect_force_simple_reduction): ... this.
36         * tree-parloops.c (gather_scalar_reductions): Use
37         vect_force_simple_reduction.
38         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
39         vect_is_simple_reduction, add modify argument, if true rewrite
40         "a-b" into "a+(-b)".
41         (vect_is_simple_reduction, vect_force_simple_reduction): New
42         functions.
43         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
44
45 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
46             Vladimir Makarov  <vmakarov@redhat.com>
47
48         PR rtl-optimization/44012
49         * ira-build.c (remove_unnecessary_allocnos): Nullify
50         regno_allocno_map of the removed allocno.
51
52 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
53
54         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
55         to /dev/null.
56         * configure: Regenerate.
57
58 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
59
60         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
61         unused.
62         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
63         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
64         support in Sun ld.
65         * configure: Regenerate.
66
67 2010-05-10  Richard Guenther  <rguenther@suse.de>
68
69         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
70         marked if the entry identifier is marked.
71
72 2010-05-10  Richard Guenther  <rguenther@suse.de>
73
74         * c-common.c (struct c_common_attributes): Add fnspec attribute.
75         (handle_fnspec_attribute): New function.
76         * gimple.h (gimple_call_return_flags): Declare.
77         (gimple_call_arg_flags): Likewise.
78         * gimple.c (gimple_call_arg_flags): New function.
79         (gimple_call_return_flags): Likewise.
80         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
81         New argument flags.
82         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
83         return value flags.
84         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
85         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
86         main work to ...
87         (make_heapvar_for): ... this new function.
88         (handle_rhs_call): Handle fnspec attribute argument specifiers.
89         (handle_lhs_call): Likewise.
90         (find_func_aliases): Adjust.
91
92 2010-05-10  Richard Guenther  <rguenther@suse.de>
93
94         PR tree-optimization/44050
95         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
96
97 2010-05-10  Wei Guozhi  <carrot@google.com>
98
99         PR target/42879
100         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
101
102 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
103
104         PR c/10676
105         * c-typeck.c (lookup_field): Take a type directly.  Update
106         recursive calls.
107         (build_component_ref): Update call to lookup_field.
108         (set_init_label): Use lookup_field to find initialized field.
109         Handle returned list of fields like a sequence of designators.
110
111 2010-05-09  Richard Guenther  <rguenther@suse.de>
112
113         PR middle-end/44024
114         * fold-const.c (tree_single_nonzero_warnv_p): Properly
115         handle &FUNCTION_DECL.
116
117 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
118
119         PR c/4784
120         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
121         structures and unions recursively.
122         (detect_field_duplicates): Move duplicate detection with a hash to
123         detect_field_duplicates_hash.  Always use a hash if anonymous
124         structures or unions are present.
125         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
126         give errors.
127
128 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
129
130         PR target/44046
131         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
132         detect Atom, Core 2 and Core i7.
133
134 2010-05-09  Richard Guenther  <rguenther@suse.de>
135
136         * gcc.c (store_arg): Handle temporary file deletion for
137         joined arguments.
138
139 2010-05-09  Richard Guenther  <rguenther@suse.de>
140
141         PR middle-end/44043
142         * ipa-inline.c (estimate_function_body_sizes): Return after
143         disregarding inline limits.
144
145 2010-05-09  Richard Guenther  <rguenther@suse.de>
146
147         * gcc.c (store_arg): Revert last change.
148
149 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
150
151         PR middle-end/28685
152         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
153         (optimize_ops_list): Call it.
154
155 2010-05-08  Richard Guenther  <rguenther@suse.de>
156
157         PR tree-optimization/44030
158         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
159         NECESSARY flag if we propagate from a inserted expression.
160
161 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
162
163         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
164         domain types as equal if they are both PLACEHOLDER_EXPRs.
165
166 2010-05-08  Richard Guenther  <rguenther@suse.de>
167
168         * lto-wrapper.c (run_gcc): Remove linker output from
169         command line for LTRANS invocation.
170
171 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
172
173         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
174         lto-macho as lto_binary_reader.
175         * target.h (struct gcc_target): New hooks lto_start and lto_end.
176         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
177         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
178         in lto_start and lto_end calls.
179         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
180         magic numbers.
181         (scan_prog_file): Update is_elf_or_coff call.
182         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
183
184         * collect2.c (main): Fix enum comparison.
185
186         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
187         Add prototypes.
188         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
189         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
190         and TARGET_ASM_LTO_END.
191         * darwin.c: Include obstack.h and lto-streamer.h.
192         (lto_section_names_offset, lto_section_names_obstack,
193         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
194         global variables.
195         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
196         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
197         to a temporary file.
198         (darwin_asm_lto_end): New function.  Restore asm_out_file.
199         (darwin_asm_named_section): For LTO sections, replace the name with
200         the offset of the section name in a string table, and build this
201         table.
202         (darwin_file_start): Initialize global vars for LTO support.
203         (darwin_file_end): If output to asm_out_file was redirected, append it
204         to the proper asm_out_file here.  Add the section names section.
205
206 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
207
208         * c-pragma.c (pending_weak_d, pending_weak): New.
209         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
210         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
211         handle_pragma_weak): Update the uses of pending_weaks.
212
213 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
214
215         PR documentation/44016
216         * doc/standards.texi (Standards): Link to unversioned
217         cxx0x_status.html page.
218
219 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
220
221         PR target/43708
222         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
223         in addition to TREE_USED, to avoid "set but unused" warnings.
224
225 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
226
227         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
228         (is_loop_prefetching_profitable): Do not insert prefetches
229         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
230         times the prefetch ahead distance.
231
232 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
233
234         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
235         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
236         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
237         the unroll_factor.
238
239 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
240
241         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
242         a diagnostic info when the insn-to-mem ratio is too small.
243
244 2010-05-07  Richard Guenther <rguenther@suse.de>
245
246         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
247         the linker plugin.
248         (store_arg): Queue temp_filename for deletion instead of
249         the whole argument.
250
251 2010-05-07  Richard Guenther  <rguenther@suse.de>
252
253         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
254         (run_gcc): Handle LTRANS phase invocation.
255         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
256
257 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
258
259         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
260         this is also meaningful on PARM_DECLs and RESULT_DECLs.
261
262 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
263
264         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
265
266 2010-05-07  Richard Guenther  <rguenther@suse.de>
267
268         PR tree-optimization/44020
269         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
270         code when PRE is not yet initialized.
271
272 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
273
274         * config/mips/dbxmdebug.h: Remove.
275         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
276
277 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
278
279         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
280         with null pointer and also warn about ordered comparison of zero with
281         pointer if -Wextra.
282
283 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
284
285         * graphite-blocking.c
286         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
287         * graphite-clast-to-gimple.c
288         (clast_to_gcc_expression): Same.
289         (precision_for_value): Same.
290         (precision_for_interval): Same.
291         (gcc_type_for_interval): Same.
292         (graphite_create_new_guard): Same.
293         (compute_bounds_for_level): Same.
294         (graphite_create_new_loop_guard): Same.
295         * graphite-interchange.c
296         (build_linearized_memory_access): Same.
297         (pdr_stride_in_loop): Same.
298         (memory_strides_in_loop_1): Same.
299         (memory_strides_in_loop): Same.
300         (extend_scattering): Same.
301         (psct_scattering_dim_for_loop_depth): Same.
302         (pbb_number_of_iterations): Same.
303         * graphite-poly.h
304         (debug_iteration_domains): Same.
305         * graphite-ppl.c
306         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
307         (ppl_set_inhomogeneous_gmp): Same.
308         (ppl_strip_loop): Same.
309         (ppl_lexico_compare_linear_expressions): Same.
310         (ppl_read_polyhedron_matrix): Same.
311         (ppl_max_for_le_pointset): Same.
312         * graphite-ppl.h
313         (ppl_read_polyhedron_matrix): Same.
314         (tree_int_to_gmp): Same.
315         (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
321         (build_pbb_scattering_polyhedrons): Same.
322         (build_scop_scattering): Same.
323         (scan_tree_for_params_right_scev): Same.
324         (scan_tree_for_params): Same.
325         (find_params_in_bb): Same.
326         (find_scop_parameters): Same.
327         (add_upper_bounds_from_estimated_nit): Same.
328         (build_loop_iteration_domains): Same.
329         (add_condition_to_domain): Same.
330         (pdr_add_memory_accesses): Same.
331
332 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
333
334         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
335         CLooG's value_* macros to their respective mpz_* counterparts.
336         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
337         (graphite_create_new_loop_guard): Same.
338         * graphite-interchange.c (build_linearized_memory_access): Same.
339         (pdr_stride_in_loop): Same.
340         (memory_strides_in_loop_1): Same.
341         (1st_interchange_profitable_p): Same.
342         * graphite-poly.c (extend_scattering): Same.
343         (psct_scattering_dim_for_loop_depth): Same.
344         (pbb_number_of_iterations): Same.
345         (pbb_number_of_iterations_at_time): Same.
346         * graphite-poly.h (new_1st_loop): Same.
347         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
348         (oppose_constraint): Same.
349         (insert_constraint_into_matrix): Same.
350         (ppl_set_inhomogeneous_gmp): Same.
351         (ppl_set_coef_gmp): Same.
352         (ppl_strip_loop): Same.
353         (ppl_lexico_compare_linear_expressions): Same.
354         (ppl_max_for_le_pointset): Same.
355         (ppl_min_for_le_pointset): Same.
356         (ppl_build_realtion): Same.
357         * graphite-ppl.h (gmp_cst_to_tree): Same.
358         (ppl_set_inhomogeneous): Same.
359         (ppl_set_inhomogeneous_tree): Same.
360         (ppl_set_coef): Same.
361         (ppl_set_coef_tree): Same.
362         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
363         (build_scop_scattering): Same.
364         (add_value_to_dim): Same.
365         (scan_tree_for_params_right_scev): Same.
366         (scan_tree_for_params_int): Same.
367         (scan_tree_for_params): Same.
368         (find_params_in_bb): Same.
369         (find_scop_parameters): Same.
370         (add_upper_bounds_from_estimated_nit): Same.
371         (build_loop_iteration_domains): Same.
372         (create_linear_expr_from_tree): Same.
373         (add_condition_to_domain): Same.
374         (pdr_add_memory_accesses): Same.
375
376 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
377             Jason Merrill  <jason@redhat.com>
378
379         * c-common.c (c_common_reswords): Add nullptr.
380         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
381         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
382         (gen_type_die_with_usage): Likewise.
383         * dbxout.c (dbxout_type): Likewise.
384         * sdbout.c (plain_type_1): Likewise.
385
386 2010-05-06  Jason Merrill  <jason@redhat.com>
387
388         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
389         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
390         ret appropriately.
391         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
392
393         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
394         stripping WITH_SIZE_EXPR.
395         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
396         change.
397
398 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
399
400         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
401         list of obsolete configurations.
402         Disabled check for obsolete configurations.
403         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
404         Removed support for previous versions.
405         * config/mips/iris.h: Removed.
406         * config/mips/iris5.h: Removed.
407         * config/mips/iris6.h: Merged old iris.h contents.
408         (TARGET_IRIX): Removed.
409         (DRIVER_SELF_SPECS): Removed mabi=32.
410         (IDENT_ASM_OP): Removed undef.
411         (STARTFILE_SPEC): Removed mabi=32.
412         (ENDFILE_SPEC): Likewise.
413         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
414         (MACHINE_TYPE): Update for IRIX 6.5.
415         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
416         TARGET_IRIX by TARGET_IRIX6.
417         (mips_file_start): Likewise.
418         (mips_output_external): Remove IRIX 5/6 O32 support.
419         (mips_output_function_prologue): Likewise.
420         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
421         TARGET_IRIX6.
422         (TARGET_CPU_CPP_BUILTINS): Likewise.
423         (TARGET_IRIX): Removed.
424         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
425         (MULTILIB_DIRNAMES): Removed 32.
426         (MULTILIB_OSDIRNAMES): Removed ../lib.
427         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
428         (Specific, mips-sgi-irix5): Document removal.
429         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
430         Remove references to older IRIX 6 releases and the O32 ABI.
431
432 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
433
434         PR bootstrap/43994
435         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
436         instead of DF_REF_REAL_REG.
437
438 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
439
440         PR target/43888
441         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
442         handling to still return true for x64 targets.
443
444 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
445
446         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
447
448 2010-05-06  Jan Hubicka  <jh@suse.cz>
449
450         PR tree-optimization/43791
451         * ipa-inline.c (update_caller_keys): Remove bogus
452         disregard_inline_limits check.
453
454 2010-05-06  Michael Matz  <matz@suse.de>
455
456         PR tree-optimization/43984
457         * tree-ssa-pre.c (inserted_phi_names): Remove.
458         (inserted_exprs): Change to bitmap.
459         (create_expression_by_pieces): Set bits, don't append to vector.
460         (insert_into_preds_of_block): Don't handle inserted_phi_names.
461         (eliminate): Don't look at inserted_phi_names, remove deleted
462         insns from inserted_exprs.
463         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
464         (init_pre, fini_pre): Allocate and free bitmaps.
465         (execute_pre): Insert insns on edges before elimination.
466
467 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
468
469         * tree.c (initializer_zerop): Handle STRING_CST.
470
471 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
472
473         PR 40989
474         * doc/invoke.texi (Wimplicit): Document as C only.
475         * opts.c (common_handle_option): Add argument kind.
476         (handle_option): Rename as read_cmdline_option. Factor out code to...
477         (handle_option): ... here. New.
478         (handle_options): Rename as read_cmdline_options.
479         (decode_options): Update call.
480         (set_option): Use option index instead of option pointer. Classify
481         diagnostics correctly.
482         (enable_warning_as_error): Call handle_option.
483         * opts.h (set_option): Update declaration.
484         (handle_option): Declare.
485         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
486         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
487         * c-opts.c (set_Wimplicit): Delete.
488         (c_family_lang_mask): New static constant.
489         (c_common_handle_option): Add argument kind. Use handle_option
490         instead of set_Wimplicit.
491         (c_common_post_options): warn_implicit and warn_implicit_int
492         are disabled by default.
493         * c-common.c (warn_implicit): Do not define here.
494         * c-common.h (warn_implicit): Do not declare here.
495         (c_common_handle_option): Update declaration.
496         * lto-opts.c (lto_reissue_options): Update call to set_option.
497
498 2010-05-06  Richard Guenther  <rguenther@suse.de>
499
500         PR tree-optimization/43571
501         * domwalk.c (walk_dominator_tree): Walk the dominator
502         sons in more optimal order.
503
504 2010-05-06  Richard Guenther  <rguenther@suse.de>
505
506         PR tree-optimization/43934
507         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
508         (stmt_cost): Likewise.
509         (extract_true_false_args_from_phi): New helper.
510         (determine_max_movement): For PHI nodes verify we can hoist them
511         and compute their cost.
512         (determine_invariantness_stmt): Handle PHI nodes.
513         (move_computations_stmt): Likewise.  Hoist PHI nodes in
514         if-converted form using COND_EXPRs.
515         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
516         (tree_ssa_lim): Likewise.
517         * tree-flow.h (tree_ssa_lim): Adjust prototype.
518         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
519
520 2010-05-06  Richard Guenther  <rguenther@suse.de>
521
522         PR tree-optimization/43987
523         * tree-ssa-structalias.c (could_have_pointers): For possibly
524         address-taken variables force pointers to be recorded.
525         (create_variable_info_for_1): Likewise.
526         (push_fields_onto_fieldstack): Pass in wheter all fields
527         must have pointers.
528         (find_func_aliases): Query types instead of vars whether
529         they contain pointers where appropriate.
530
531 2010-05-06  Jan Hubicka  <jh@suse.cz>
532
533         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
534         (record_reference, mark_address, mark_load, mark_store): Record
535         references.
536         (record_references_in_initializer): Update call of record_references.
537         (rebuild_cgraph_edges): Remove all references before rebuiding.
538         * cgraph.c (cgraph_create_node): Clear ref list.
539         (cgraph_remove_node): Remove references.
540         (dump_cgraph_node): Dump references.
541         (cgraph_clone_node): Clone references.
542         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
543         (struct cgraph_node, varpool_node): Add ref_lst.
544         * ipa-ref.c: New file.
545         * ipa-ref.h: New file.
546         * ipa-ref-inline.h: New file.
547         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
548         (referenced_from_other_partition_p): New function.
549         (lto_output_varpool_node): Take set arugment; call
550         referenced_from_other_partition.
551         (lto_output_ref): New.
552         (add_references): New.
553         (output_refs): New.
554         (output_cgraph): Compute boundary based on references; output refs.
555         (output_varpool): Accept cgraph_node_set argument.
556         (input_ref): New.
557         (input_refs): New.
558         (input_cgraph): Call input_refs.
559         * lto-section-in.c (lto_section_name): Add refs.
560         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
561         (ipa-ref.o): New file.
562         * varpool.c (varpool_node): Clear ipa ref list.
563         (varpool_remove_node): Remove references.
564         (dump_varpool_node): Dump references.
565         (varpool_assemble_decl): Only compile finalized ones.
566         (varpool_extra_name_alias): Initialize ref list.
567         * lto-streamer.c (lto-get_section_name): Add .refs section.
568         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
569         (referenced_from_other_partition_p): Declared.
570
571 2010-05-06  Ira Rosen  <irar@il.ibm.com>
572
573         PR tree-optimization/43901
574         * tree-vect-stmts.c (vectorizable_call): Assert that vector
575         type is not NULL if it's transformation phase, and return
576         FALSE if it's analysis.
577         (vectorizable_conversion, vectorizable_operation,
578         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
579
580 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
581
582         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
583         Delete.
584         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
585         New define.
586         * config/mips/mips-protos.h
587         (mips_small_register_classes_for_mode_p): Delete prototype.
588
589 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
590
591         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
592         * config/arm/arm.c (multiple_operation_profitable_p,
593         compute_offset_order): New static functions.
594         (load_multiple_sequence, store_multiple_sequence): Use them.
595         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
596         memory offsets, not register numbers.
597         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
598
599 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
600
601         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
602         (get_pending_sizes, put_pending_size, put_pending_sizes):
603         Update the uses of pending_sizes.
604         * c-decl.c (store_parm_decls): Likewise.
605         * c-tree.h (struct c_arg_info): Likewise.
606         * tree.h: Update the prototype for get_pending_sizes and
607         put_pending_sizes.
608
609 2010-05-05  Jason Merrill  <jason@redhat.com>
610
611         PR debug/43370
612         * c-common.c (handle_aligned_attribute): Respect
613         ATTR_FLAG_TYPE_IN_PLACE.
614
615         PR testsuite/43758
616         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
617         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
618         (TARGET_INITIALIZER): Use it.
619         * c-common.c (attribute_takes_identifier_p): Call it.
620         * c-common.h: Update prototype.
621         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
622         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
623
624 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
625
626         PR debug/43950
627         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
628         DW_ID_down_case for Fortran compilation units.
629
630 2010-05-05  Jan Hubicka  <jh@suse.cz>
631
632         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
633         handle aliases.
634
635 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
636
637         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
638         a variable-sized RESULT_DECL.
639
640 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
641
642         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
643
644 2010-05-05  Jason Merrill  <jason@redhat.com>
645
646         PR c++/43787
647         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
648         returns GS_OK.
649         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
650
651 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
652             Jakub Jelinek  <jakub@redhat.com>
653
654         PR debug/43478
655         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
656         (dead_debug_init, dead_debug_finish): New functions.
657         (dead_debug_add, dead_debug_insert_before): Likewise.
658         (df_note_bb_compute): Initialize a dead_debug object, add dead
659         debug uses to it, insert debug bind insns before death insns,
660         reset debug insns that refer to pending uses at the end.
661         * rtl.h (make_debug_expr_from_rtl): New prototype.
662         * varasm.c (make_debug_expr_from_rtl): New function.
663
664 2010-05-05  Jan Hubicka  <jh@suse.cz>
665
666         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
667         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
668         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
669         lto_varpool_encoder_deref, lto_varpool_encoder_size,
670         lto_varpool_encoder_encode_initializer_p,
671         lto_set_varpool_encoder_encode_initializer): New functions.
672         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
673         call output_varpool.
674         (input_varpool_node): Do not always set analyzed.
675         (input_cgraph_1): Return vector of cgraph nodes.
676         (input_varpool_1): Return vector of varpools.
677         (input_cgraph): Free the vectors.
678         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
679         output only initializers needed.
680         (lto_output): Only call output_cgraph.
681         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
682         * lto-section-out.c (lto_new_out_decl_state): Initialize
683         state->varpool_node_encoder.
684         * lto-streamer.h (lto_varpool_encoder_d): New.
685         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
686         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
687         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
688         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
689         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
690         Declare.
691         (output_varpool, input_varpool): Remove declarations.
692
693 2010-05-05  Jan Hubicka  <jh@suse.cz>
694
695         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
696         with body can prevail.
697
698 2010-05-05  Jan Hubicka  <jh@suse.cz>
699
700         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
701         size.
702
703 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
704
705         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
706
707         * gengtype.h (erro_at_line): Constify pos argument.
708
709         * gengtype.c: Include hashtab.h.
710         (enum gc_used): Document GC_MAYBE_POINTED_TO.
711         (error_at_line): Constify pos argument.
712         (do_typedef): Initialize p->opt field.
713         (get_file_gtfilename): Fix comment typo.
714         (struct walk_type_data): Constify line field.
715         (get_output_file_for_structure): New function.
716         (write_local_func_for_structure): Constify orig_s argument.
717         Use get_output_file_for_structure.
718         (write_func_for_structure): Use get_output_file_for_structure.
719         (INDENT): New define.
720         (dump_pair, dump_type, dump_type_list, dump_typekind)
721         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
722         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
723         functions.
724         (seen_types): New variable.
725         (main): New variable do_dump.  Process "-d" command line option.
726         Call dump_everything if dump requested.
727
728 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
729
730         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
731         in a temporary instead of invoking the macro multiple times.
732         (track_expr_p): Likewise.
733
734 2010-05-04  Neil Vachharajani <nvachhar@google.com>
735
736         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
737         per new semantics.
738         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
739         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
740         conditions for printing notes.
741         * common.opt (-Wcoverage-mismatch): Allow negative, default to
742         true, update documentation.
743         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
744
745 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
746
747         PR c/43981
748         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
749         on dimen.
750
751 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
752
753         PR target/43799
754         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
755         (*sse_prologue_save_insn1): Likewise.
756         (SSE prologue save splitter): Likewise.
757
758 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
759
760         * tree.c (free_lang_data_in_one_sizepos): New inline function.
761         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
762         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
763         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
764         all decls.  Call it on DECL_FIELD_OFFSET of fields.
765         (find_decls_types_r): Follow DECL_VALUE_EXPR.
766         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
767
768 2010-05-04  Martin Jambor  <mjambor@suse.cz>
769
770         * tree-sra.c (build_access_from_expr_1): The first parameter type
771         changed to simple tree.
772         (build_access_from_expr): Likewise, gsi parameter was eliminated.
773         (scan_assign_result): Renamed to assignment_mod_result, enum elements
774         renamed as well.
775         (build_accesses_from_assign): Removed all parameters except for a
776         simple gimple statement.  Now returns a simple bool.
777         (scan_function): All non-analysis parts moved to separate functions
778         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
779         parameters and updated both callers.
780         (sra_modify_expr): Removed parameter data.
781         (sra_modify_function_body): New function.
782         (perform_intra_sra): Call sra_modify_function_body to modify the
783         function body.
784         (replace_removed_params_ssa_names): Parameter data changed into
785         adjustments vector.
786         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
787         changed the parameter dont_convert to convert with the opposite
788         meaning.
789         (sra_ipa_modify_assign): Parameter data changed into adjustments
790         vector, return value changed to bool.
791         (ipa_sra_modify_function_body): New function.
792         (sra_ipa_reset_debug_stmts): Updated a comment.
793         (modify_function): Use ipa_sra_modify_function_body to modify function
794         body.
795
796 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
797
798         PR middle-end/43671
799         * alias.c (true_dependence): Handle the same VALUE in x and mem.
800         (canon_true_dependence): Likewise.
801         (write_dependence_p): Likewise.
802
803 2010-05-04  Jan Hubicka  <jh@suse.cz>
804
805         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
806         * cgraphbuild.c: Include ipa-utils.h
807         (record_reference_ctx): New struct.
808         (record_reference): Simplify to work on initializers; not statements.
809         (mark_address, mark_load, mark_store): New.
810         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
811         walk PHI nodes too.
812         (record_references_in_initializer): Update use of record_reference.
813         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
814         walk PHI nodes too.
815
816 2010-05-04  Jan Hubicka  <jh@suse.cz>
817
818         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
819         node will be removed anyway.
820         (lto_varpool_replace_node): Allow also unanalyzed nodes;
821         relink aliases of node into prevailing node.
822         * varpool.c (varpool_remove_node): Remove aliases properly;
823         when removing node, remove all its aliases too; remove DECL_INITIAL
824         of removed node; ggc_free the varpool node.
825
826 2010-05-04  Richard Guenther  <rguenther@suse.de>
827
828         PR tree-optimization/43879
829         * tree-ssa-structalias.c (alias_get_name): Use
830         DECL_ASSEMBLER_NAME if available.
831         (create_function_info_for): Return the varinfo node.
832         (ipa_pta_execute): Associate same-body aliases and extra names
833         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
834
835 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
836
837         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
838
839 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
840
841         PR bootstrap/43964
842         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
843         only if HONOR_REG_ALLOC_ORDER is not defined.
844
845 2010-05-04  Richard Guenther  <rguenther@suse.de>
846
847         PR tree-optimization/43949
848         * tree-vrp.c (extract_range_from_binary_expr): Only handle
849         TRUNC_MOD_EXPR.
850
851 2010-04-26  Jason Merrill  <jason@redhat.com>
852
853         * c.opt (-fstrict-enums): New.
854         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
855
856 2010-05-03  David Ung <davidu@mips.com>
857             James E. Wilson  <wilson@codesourcery.com>
858
859         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
860         emit the trap instruction before the divide for TUNE_74K.
861
862 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
863
864         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
865         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
866         based on the above, for new target hook.
867
868         * hooks.c (hook_bool_mode_true): New generic hook.
869         * hooks.h (hook_bool_mode_true): Add prototype.
870
871         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
872         target hook.
873         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
874         target hook, set to hook_bool_mode_false.
875         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
876         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
877         with targetm.small_register_classes_for_mode_p.
878         (find_reusable_reload): Likewise.
879         (combine_reloads): Likewise.
880         * reload1.c (reload_as_needed): Likewise.
881         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
882         * ifcvt.c (noce_process_if_block, check_cond_move_block,
883         dead_or_predicable): Likewise.
884         * regmove.c (optimize_reg_copy_1): Likewise.
885         * calls.c (prepare_call_address): Likewise.
886         (precompute_register_parameters): Likewise.
887
888         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
889         hook definition.
890         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
891         implementation of the hook that considers all register classes
892         small except for SH64.
893         (sh_override_options): Use the new hook.
894         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
895         Add prototype.
896
897         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
898         hook definition.
899         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
900         implementation of the hook that considers all register classes
901         small for THUMB1.
902         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
903         Add prototype.
904
905         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
906         hook definition.
907         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
908         implementation of the hook that considers all register classes
909         small for MIPS16.
910         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
911         Add prototype.
912
913         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
914         hook definition.
915         * config/m32c/m32c.h: Likewise.
916         * config/pdp11/pdp11.h: Likewise.
917         * config/avr/avr.h: Likewise.
918         * config/xtensa/xtensa.h: Likewise.
919         * config/m68hc11/m68hc11.h: Likewise.
920         * config/mn10300/mn10300.h: Likewise.
921         * config/mcore/mcore.h: Likewise.
922         * config/h8300/h8300.h: Likewise.
923         * config/bfin/bfin.h: Likewise.
924
925         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
926         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
927
928 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
929
930         * double-int.h (tree_to_double_int): Remove macro.
931         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
932         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
933         (tree_to_double_int): New function.
934         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
935         Move ...
936         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
937
938 2010-05-03  Richard Guenther  <rguenther@suse.de>
939
940         PR tree-optimization/43971
941         * tree-ssa-structalias.c (get_constraint_for_1): Fix
942         constraints in the !flag_delete_null_pointer_checks case.
943
944 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
945
946         PR debug/43972
947         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
948         result mode matches original rtl mode.
949
950 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
951
952         PR target/43888
953         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
954
955 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
956
957         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
958         when processing flag options.
959
960 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
961
962         * gcov-iov.c (main): Change format string placeholder
963         from %#08x to 0x%08x.
964         * genchecksum.c (dosum): Change format string placeholder
965         from %#02x to 0x%02x.
966
967 2010-05-02  Richard Guenther  <rguenther@suse.de>
968
969         PR tree-optimization/43879
970         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
971
972 2010-05-02  Bruno Haible  <bruno@clisp.org>
973
974         * doc/extend.texi (Function Attributes): Fix a typo.
975
976 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
977
978         Revert:
979         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
980         placeholder from 0x%x to %#x.
981         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
982         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
983         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
984         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
985         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
986         * config/i386/i386.c (ix86_target_string): Ditto.
987         * config/i386/i386.c (output_pic_addr_const): Ditto.
988         (print_operand): Ditto.
989
990 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
991
992         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
993         placeholder from 0x%x to %#x.
994         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
995         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
996         (ASM_OUTPUT_DEBUG_DATA): Ditto.
997         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
998         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
999         * optc-gen.awk: Ditto.
1000         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1001         (HOST_WIDE_INT_PRINT_HEX): Ditto.
1002         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1003         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1004
1005 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1006
1007         * target.h (struct calls): Add function_value_regno_p field.
1008         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1009         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1010         * targhooks.c (default_function_value_regno_p): New function.
1011         * targhooks.h (default_function_value_regno_p): Declare function.
1012         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1013         * builtins.c. (apply_result_size): (Ditto.).
1014         * combine.c. (likely_spilled_retval_p): (Ditto.).
1015         * mode-switching.c. Include 'target.h'.
1016         (create_pre_exit): Use function_value_regno_p hook.
1017         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1018         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1019         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1020
1021         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1022         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1023         (ix86_function_value_regno_p): Declare as static, change argument
1024         type to const unsigned int.
1025         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1026
1027 2010-05-01  Richard Guenther  <rguenther@suse.de>
1028
1029         PR tree-optimization/43949
1030         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1031         types.
1032         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1033
1034 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1035
1036         * rtl.h (CONST_DOUBLE_P): Define.
1037         (rtx_to_double_int): Declare.
1038         * emit-rtl.c (rtx_to_double_int): New function.
1039         * dwarf2out.c (insert_double): New function.
1040         (loc_descriptor, add_const_value_attribute): Clean up, use
1041         rtx_to_double_int and insert_double functions.
1042
1043 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1044
1045         * doc/extend.texi (Inline): Add missing return keyword to examples.
1046         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1047         "command-line".
1048
1049 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1050
1051         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1052         the variable part of the offset as well.  Use highest_pow2_factor for
1053         all alignment checks.
1054
1055 2010-04-30  Richard Guenther  <rguenther@suse.de>
1056
1057         PR tree-optimization/43879
1058         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1059         can have pointers.
1060
1061 2010-04-30  Jan Hubicka  <jh@suse.cz>
1062
1063         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1064         varpool.
1065         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1066
1067 2010-04-30  Jan Hubicka  <jh@suse.cz>
1068
1069         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1070         New.
1071         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1072         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1073         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1074         cgraph_node_set_needs_ltrans_p): Remove.
1075
1076 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1077
1078         * sdbout.c: Include vec.h, do not include varray.h.
1079         (deferred_global_decls, sdbout_global_decl,
1080         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1081         * toplev.c: Do not include varray.h.
1082         (dump_memory_report): Do not dump VARRAY statistics.
1083         * gengtype.c (open_base_file): Ignore varray.h.
1084         * Makefile.in: Update for abovementioned changes.
1085         Remove all traces of varray.c and varray.h.
1086         * varray.c: Remove file.
1087         * varray.h: Remove file.
1088
1089 2010-04-30  Jan Hubicka  <jh@suse.cz>
1090
1091         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1092         references.
1093
1094 2010-04-30  Jan Hubicka  <jh@suse.cz>
1095
1096         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1097         needed.
1098
1099 2010-04-30  Richard Guenther  <rguenther@suse.de>
1100
1101         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1102         constraints for CONSTRUCTOR.
1103
1104 2010-04-30  Richard Guenther  <rguenther@suse.de>
1105
1106         PR lto/43946
1107         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1108         first after all lowering passes.
1109
1110 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1111
1112         * toplev.c: Include varray.h for statistics dumping.
1113         * tree.h: Do not declare varray_head_tag.
1114         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1115         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1116         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1117         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1118         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1119         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1120         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1121         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1122         include varray.h.
1123         * Makefile.in: Update for abovementioned changes.
1124
1125 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1126
1127         PR debug/43942
1128         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1129
1130 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1131
1132         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1133         Use this function to do machine-specific conversion.
1134         (picochip_legitimize_reload_address): Likewise.
1135         (picochip_legitimate_address_p): Check valid base register only if
1136         strict.
1137         (picochip_check_conditional_copy): Check for modw only if opnd is
1138         register.
1139         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1140         to call the function in c.
1141         * config/picochip/picochip-protos.h
1142         (picochip_legitimize_reload_address): Define.
1143         * config/picochip/picochip.md (supported_compare1): Define.
1144
1145 2010-04-30  Jan Hubicka  <jh@suse.cz>
1146
1147         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1148         (cgraph_global_info): Remove inlined.
1149         (LTO_cgraph_tag_names): Remove.
1150         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1151         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1152         simplify cgraph tags and document.
1153         (lto_output_node): Use only LTO_cgraph_unavail_node and
1154         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1155         for_functions_valid, global info, process and output flags.
1156         (input_overwrite_node): Initialize estimated stack size and
1157         estimated growth.  Do not read flags we no longer store.
1158         (input_node): Likewise do not read info no longer stored.
1159         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1160         flag.
1161
1162 2010-04-30  Richard Guenther  <rguenther@suse.de>
1163
1164         PR tree-optimization/43879
1165         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1166         handle non-zero initializers.
1167
1168 2010-04-30  Richard Guenther  <rguenther@suse.de>
1169
1170         * builtins.c (fold_builtin_1): Delete free (0).
1171
1172 2010-04-29  Jan Hubicka  <jh@suse.cz>
1173
1174         * gengtype.c (open_base_files): Add lto-streamer.h
1175         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1176         (pass_ipa_cp): GGC collect.
1177         * toplev. (compile_file): Do not output symbols.
1178         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1179         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1180         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1181         * lto-section-in.c: Include ggc.h
1182         (lto_new_in_decl_state): Alloc in GGC.
1183         (lto_delete_in_decl_state): Likewise.
1184         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1185         Collect.
1186
1187 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1188
1189         PR target/42895
1190         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1191         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1192         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1193         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1194         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1195         account only if HONOR_REG_ALLOC_ORDER is not defined.
1196         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1197         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1198
1199 2010-04-29  Jon Grant  <04@jguk.org>
1200
1201         * collect2.c (vflag): Change type from int to bool.
1202         (debug): Likewise.
1203         (helpflag): New global bool.
1204         (main): Set vflag and debug with boolean, not integer truth values.
1205         Accept new "--help" option and output usage text if found.
1206         * collect2.h (vflag): Update prototype.
1207         (debug): Likewise.
1208
1209 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1210
1211         PR bootstrap/43936
1212         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1213
1214 2010-04-29  Richard Guenther  <rguenther@suse.de>
1215
1216         PR bootstrap/43935
1217         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1218         with ATTRIBUTE_UNUSED.
1219
1220 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1221
1222         PR target/43921
1223         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1224         INSN_P with NONDEBUG_INSN_P.
1225         (distance_non_agu_define): Likewise.
1226         (distance_agu_use): Likewise.
1227
1228 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1229
1230         From Dominique d'Humieres <dominiq@lps.ens.fr>
1231         PR bootstrap/43858
1232         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1233         test_set.
1234
1235 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1236
1237         * plugin.h (invoke_plugin_callbacks): New inline function.
1238         * plugin.c (flag_plugin_added): New global flag.
1239         (add_new_plugin): Initialize above flag.
1240         (invoke_plugin_callbacks): Rename to ...
1241         (invoke_plugin_callbacks_full): ... this.
1242
1243 2010-04-28  Jan Hubicka  <jh@suse.cz>
1244
1245         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1246         (lto_varpool_replace_node): New.
1247         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1248         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1249         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1250         * cgraph.h (varpool_node_ptr): New type.
1251         (varpool_node_ptr): New vector.
1252         (varpool_node_set_def): New structure.
1253         (varpool_node_set): New type.
1254         (varpool_node_set): New vector.
1255         (varpool_node_set_element_def): New structure.
1256         (varpool_node_set_element, const_varpool_node_set_element): New types.
1257         (varpool_node_set_iterator): New type.
1258         (varpool_node): Add prev pointers, add used_from_other_partition,
1259         in_other_partition.
1260         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1261         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1262         varpool_get_node, varpool_remove_node): Declare.
1263         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1264         varpool_node_set_size): New inlines.
1265         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1266         * tree-pass.h (varpool_node_set_def): Forward declare.
1267         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1268         (ipa_write_optimization_summaries): Update prototype.
1269         * ipa-cp.c (ipcp_write_summary): Update.
1270         * ipa-reference.c (ipa_reference_write_summary): Update.
1271         * lto-cgraph.c (lto_output_varpool_node): New static function.
1272         (output_varpool): New function.
1273         (input_varpool_node): New static function.
1274         (input_varpool_1): New function.
1275         (input_cgraph): Input varpool.
1276         * ipa-pure-const.c (pure_const_write_summary): Update.
1277         * lto-streamer-out.c (lto_output): Update, output varpool too.
1278         (write_global_stream): Kill WPA hack.
1279         (produce_asm_for_decls): Update.
1280         (output_alias_pair_p): Handle variables.
1281         (output_unreferenced_globals): Output only needed partition of varpool.
1282         * ipa-inline.c (inline_write_summary): Update.
1283         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1284         cgraph.
1285         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1286         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1287         varpool_node_set_new, varpool_node_set_add,
1288         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1289         debug_varpool_node_set): New functions.
1290         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1291         (execute_one_pass): Process new decls too.
1292         (ipa_write_summaries_2): Pass around vsets.
1293         (ipa_write_summaries_1): Likewise.
1294         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1295         to add.
1296         (ipa_write_optimization_summaries_1): Pass around vsets.
1297         (ipa_write_optimization_summaries): Likewise.
1298         * varpool.c (varpool_get_node): New.
1299         (varpool_node): Update doubly linked lists.
1300         (varpool_remove_node): New.
1301         (dump_varpool_node): More dumping.
1302         (varpool_enqueue_needed_node): Update doubly linked lists.
1303         (decide_is_variable_needed): Kill ltrans hack.
1304         (varpool_finalize_decl): Kill lto hack.
1305         (varpool_assemble_decl): Skip decls in other partitions.
1306         (varpool_assemble_pending_decls): Update doubly linkes lists.
1307         (varpool_empty_needed_queue): Likewise.
1308         (varpool_extra_name_alias): Likewise.
1309         * lto-streamer.c (lto_get_section_name): Add vars section.
1310         * lto-streamer.h (lto_section_type): Update.
1311         (output_varpool, input_varpool): Declare.
1312
1313 2010-04-28  Mike Stump  <mikestump@comcast.net>
1314
1315         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1316
1317 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1318
1319         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1320         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1321         (lto_input_ts_type_tree_pointers): Likewise.
1322         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1323         (lto_output_ts_type_tree_pointers): Likewise.
1324
1325 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1326
1327         Uniquization of constants at the Tree level
1328         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1329         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1330         bit to the end.
1331         (tree_output_constant_def): Declare.
1332         * gimplify.c (gimplify_init_constructor): When using block copy, first
1333         uniquize the constant constructor on the RHS.
1334         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1335         DECL_IN_CONSTANT_POOL flag.
1336         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1337         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1338         constant pool.
1339         (assemble_variable): Deal with symbols belonging to the tree constant
1340         pool.
1341         (get_constant_section): Add ALIGN parameter and simplify.
1342         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1343         (assemble_constant_contents): Use the expression of the VAR_DECL.
1344         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1345         (tree_output_constant_def): New global function.
1346         (mark_constant): Use the expression of the VAR_DECL.
1347         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1348         its expression.
1349         (output_object_block): Likewise and assemble the expression.
1350
1351 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1352
1353         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1354         hash_tree, eq_tree): New tree hash table.
1355         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1356         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1357         lto_orig_address_remove): Reimplement.
1358
1359 2010-04-28  Xinliang David Li  <davidxl@google.com>
1360
1361         PR c/42643
1362         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1363         (compute_uninit_opnds_pos): New function.
1364         (is_non_loop_exit_postdominating): New function.
1365         (compute_control_dep_chain): New function.
1366         (find_pdom): New function.
1367         (convert_control_dep_chain_into_preds): New function.
1368         (find_predicates): New function.
1369         (find_control_equiv_block): New function.
1370         (collect_phi_def_edges): New function.
1371         (find_def_preds): New function.
1372         (find_dom): New function.
1373         (dump_predicates): New function.
1374         (get_cmp_code): New function.
1375         (is_value_included_in): New function.
1376         (find_matching_predicate_in_rest_chains): New function.
1377         (use_pred_not_overlap_with_undef_path_pred): New function.
1378         (is_use_properly_guarded): New function.
1379         (normalize_cond_1): New function.
1380         (is_and_or_or): New function.
1381         (normalize_cond): New function.
1382         (is_gcond_subset_of): New function.
1383         (is_subset_of_any): New function.
1384         (is_or_set_subset_of): New function.
1385         (is_and_set_subset_of): New function.
1386         (is_norm_cond_subset_of): New function.
1387         (is_pred_expr_subset_of): New function.
1388         (is_pred_chain_subset_of): New function.
1389         (is_included_in): New function.
1390         (is_superset_of): New function.
1391         (find_uninit_use): New function.
1392         (warn_uninitialized_phi): New function.
1393         (compute_possibly_undefined_names): New function.
1394         (ssa_undefined_value_p): New function.
1395         (execute_late_warn_uninitialized): New function.
1396         * tree-ssa.c (ssa_undefined_value_p): Removed.
1397         (warn_uninit): Changed to extern.
1398         (warn_uninitialized_phi): Removed.
1399         (warn_uninitialized_vars): Changed to extern.
1400         (execute_late_warn_uninitialized): Removed
1401         * tree-flow.h: Add new prototypes.
1402         * timevar.def: Add new time variable.
1403         * Makefile.in: Add new build file.
1404
1405 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1406
1407         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1408         type if available.
1409
1410 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1411
1412         PR target/22224
1413         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1414
1415 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1416
1417         * cgraph.h (struct cgraph_node): New field indirect_calls.
1418         (struct cgraph_indirect_call_info): New type.
1419         (struct cgraph_edge): Removed field indirect_call. New fields
1420         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1421         (cgraph_create_indirect_edge): Declare.
1422         (cgraph_make_edge_direct): Likewise.
1423         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1424         * ipa-prop.h (struct ipa_param_call_note): Removed.
1425         (struct ipa_node_params): Removed field param_calls.
1426         (ipa_create_all_structures_for_iinln): Declare.
1427         * cgraph.c: Described indirect edges and uids in initial comment.
1428         (cgraph_add_edge_to_call_site_hash): New function.
1429         (cgraph_edge): Search also among the indirect edges, use
1430         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1431         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1432         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1433         site hash.
1434         (initialize_inline_failed): Assign a reason to indirect edges.
1435         (cgraph_create_edge_1): New function.
1436         (cgraph_create_edge): Moved some functionality to
1437         cgraph_create_edge_1.
1438         (cgraph_create_indirect_edge): New function.
1439         (cgraph_edge_remove_callee): Add an assert checking for
1440         non-indirectness.
1441         (cgraph_edge_remove_caller): Special-case indirect edges.
1442         (cgraph_remove_edge): Likewise.
1443         (cgraph_set_edge_callee): New function.
1444         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1445         (cgraph_make_edge_direct): New function.
1446         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1447         the declaration of the call statement matches.
1448         (cgraph_node_remove_callees): Special-case indirect edges.
1449         (cgraph_clone_edge): Likewise.
1450         (cgraph_clone_node): Clone also the indirect edges.
1451         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1452         indirect_call, dump count of indirect_calls edges.
1453         * ipa-prop.c (iinlining_processed_edges): New variable.
1454         (ipa_note_param_call): Create indirect edges instead of
1455         creating notes.  New parameter node.
1456         (ipa_analyze_call_uses): New parameter node, pass it on to
1457         ipa_note_param_call.
1458         (ipa_analyze_stmt_uses): Likewise.
1459         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1460         (print_edge_addition_message): Work on edges rather than on notes.
1461         (update_call_notes_after_inlining): Likewise, renamed to
1462         update_indirect_edges_after_inlining.
1463         (ipa_create_all_structures_for_iinln): New function.
1464         (ipa_free_node_params_substructures): Do not free notes.
1465         (ipa_edge_duplication_hook): Propagate bits within
1466         iinlining_processed_edges bitmap.
1467         (ipa_node_duplication_hook): Do not duplicate notes.
1468         (free_all_ipa_structures_after_ipa_cp): Renamed to
1469         ipa_free_all_structures_after_ipa_cp.
1470         (free_all_ipa_structures_after_iinln): Renamed to
1471         ipa_free_all_structures_after_iinln.
1472         (ipa_write_param_call_note): Removed.
1473         (ipa_read_param_call_note): Removed.
1474         (ipa_write_indirect_edge_info): New function.
1475         (ipa_read_indirect_edge_info): Likewise.
1476         (ipa_write_node_info): Do not stream notes, do stream information
1477         in indirect edges.
1478         (ipa_read_node_info): Likewise.
1479         (lto_ipa_fixup_call_notes): Removed.
1480         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1481         * ipa-inline.c (pass_ipa_inline): Likewise.
1482         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1483         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1484         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1485         is_gimple_call.
1486         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1487         edges.
1488         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1489         (output_cgraph): Stream also indirect edges.
1490         (lto_output_edge): Added capability to stream indirect edges.
1491         (input_edge): Likewise.
1492         (input_cgraph_1): Likewise.
1493         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1494         of indirect edges.
1495
1496 2010-04-28  Richard Guenther  <rguenther@suse.de>
1497
1498         PR tree-optimization/43879
1499         PR tree-optimization/43909
1500         * tree-ssa-structalias.c (struct variable_info): Add
1501         only_restrict_pointers flag.
1502         (new_var_info): Initialize it.  Increment stats.total_vars here.
1503         (create_function_info_for): Do not increment stats.total_vars here.
1504         (get_function_part_constraint): Fix build with C++.
1505         (insert_into_field_list): Remove.
1506         (push_fields_onto_fieldstack): Properly merge fields.
1507         (create_variable_info_for): Split and simplify.
1508         (create_variable_info_for_1): New piece.
1509         (intra_create_variable_infos): Properly make restrict constraints
1510         from parameters.
1511
1512 2010-04-28  Richard Guenther  <rguenther@suse.de>
1513
1514         PR c++/43880
1515         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1516
1517 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1518             Jan Hubicka <hubicka@ucw.cz>
1519
1520         * doc/invoke.texi (-Wsuggest-attribute=const,
1521         -Wsuggest-attribute=pure): Document.
1522         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1523         (function_always_visible_to_compiler_p,
1524         suggest_attribute, warn_function_pure, warn_function_const):
1525         New functions.
1526         (check_call): Improve debug info.
1527         (analyze_function): Do not check availability.
1528         (add_new_function): Check availability.
1529         (propagate): Output warnings.
1530         (skip_function_for_local_pure_const): New function.
1531         (local_pure_const): Use it; output warnings.
1532         * common.opt (Wsuggest-attribute=const,
1533         Wsuggest-attribute=pure): New.
1534
1535 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1536
1537         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1538         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1539         or DW_CFA_def_cfa_offset{,_sf}.
1540
1541 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1542
1543         * tree.h: Fix truncated long macros.
1544
1545 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1546
1547         * collect2.c (TARGET_64BIT): Redefine to target's default.
1548         * tlink.c: Likewise.
1549         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1550         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1551         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1552         for underscoring __USER_LABEL_PREFIX__.
1553         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1554         (SUB_LINK_ENTRY32): New.
1555         (SUB_LINK_ENTRY64): New.
1556         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1557         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1558         (SUB_LINK_ENTRY64): New.
1559         (SUB_LINK_ENTRY): New.
1560         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1561         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1562         x64 target is choosen.
1563         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1564         * configure: Regenerated.
1565         * configure.ac (leading-mingw64-underscores): Option added.
1566
1567 2010-04-27  Jan Hubicka  <jh@suse.cz>
1568
1569         * doc/invoke.texi (-fipa-profile): Document.
1570         * opts.c (decode_options): Enable ipa-profile at -O1.
1571         * timevar.def (TV_IPA_PROFILE): Define.
1572         * common.opt (fipa-profile): Add.
1573         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1574         flag for clones.
1575         (cgraph_propagate_frequency): Handle only local ones.
1576         * tree-pass.h (pass_ipa_profile): Declare.
1577         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1578         (pass_ipa_profile): Use TV_IPA_PROFILE.
1579         * ipa.c (ipa_profile): New function.
1580         (gate_ipa_profile): Likewise.
1581         (pass_ipa_profile): New global variable.
1582         * passes.c (pass_ipa_profile): New.
1583
1584 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1585
1586         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1587
1588 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1589
1590         PR middle-end/43812
1591         * ipa.c (dissolve_same_comdat_group_list): New function.
1592         (function_and_variable_visibility): Call
1593         dissolve_same_comdat_group_list when comdat group contains external or
1594         newly local nodes.
1595         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1596         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1597
1598 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1599
1600         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1601         (const_hash_1) <VECTOR_CST>: New case.
1602         (compare_constant) <VECTOR_CST>: Likewise.
1603         <ADDR_EXPR>: Deal with LABEL_REFs.
1604         (copy_constant) <VECTOR_CST>: New case.
1605
1606 2010-04-27  Jan Hubicka  <jh@suse.cz>
1607
1608         * cgraph.c (cgraph_propagate_frequency): New function.
1609         * cgraph.h (cgraph_propagate_frequency): Declare.
1610         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1611         cgraph_propagate_frequency.
1612
1613 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1614
1615         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1616
1617 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1618
1619         PR target/40657
1620         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1621         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1622         here to determine which regs to push and how much stack to reserve.
1623
1624 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1625
1626         * doc/gimple.texi (gimple_statement_with_ops): Remove
1627         addresses_taken field.
1628         (gimple_statement_with_memory_ops): Likewise.
1629
1630 2010-04-27  Jan Hubicka  <jh@suse.cz>
1631
1632         * tree-inline.c (eni_inlining_weights): Remove.
1633         (estimate_num_insns): Special case more builtins.
1634
1635 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1636
1637         PR c/32207
1638         * c-typeck.c (build_binary_op): Move forward check for comparison
1639         pointer with null pointer constant and adjust the diagnostic message.
1640
1641 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1642
1643         PR lto/42776
1644         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1645         binutils supports extended .section directive needed by LTO, or
1646         warn if older binutils found.
1647         (LTO_BINARY_READER): New AC_SUBST'd variable.
1648         (LTO_USE_LIBELF): Likewise.
1649         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1650         variable.
1651         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1652         (LTO_USE_LIBELF): Likewise.
1653         * configure: Regenerate.
1654
1655         * collect2.c (is_elf): Rename from this ...
1656         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1657          object files in addition to ELF-formatted ones.
1658         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1659         symbol to be prefixed or not by an extra underscore.
1660
1661         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1662         * config/i386/winnt.c: Also #include lto-streamer.h
1663         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1664         LTO named sections.
1665         (i386_pe_asm_output_aligned_decl_common): Add comment.
1666         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1667
1668 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1669
1670         PR target/43889
1671         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1672         Add missing earlyclobber for second alternative.
1673
1674 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1675
1676         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1677         bits for artificial defs at the top of the block.
1678         * fwprop.c (single_def_use_enter_block): Don't call it.
1679
1680 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1681
1682         PR 43715
1683         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1684         instead of "$gcc_cv_objdump -T".
1685         Use "-undefined dynamic_lookup" on darwin.
1686         * gcc/configure: Regenerate.
1687
1688 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1689
1690         PR c/43893
1691         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1692
1693 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1694
1695         * c-parser.c (struct c_token): Move location field up.
1696         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1697         (struct c_declspecs): Convert typespec_word, storage_class, and
1698         default_int_p into bitfields.
1699         (struct c_declarator): Move loc field up.
1700
1701 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1702
1703         * cfgloop.h (struct loop): Move can_be_parallel field up.
1704         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1705         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1706         down.
1707         (struct iv_cand): Convert pos field into a bitfield.
1708         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1709         field up.
1710         (struct _stmt_vec_info): Shuffle fields for better packing.
1711
1712 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1713
1714         * varasm.c (IN_NAMED_SECTION): Remove guard.
1715         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1716         (IN_NAMED_SECTION_P): ...this.
1717         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1718         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1719
1720 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1721
1722         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1723         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1724         of shadowing it.  Fix comments.
1725
1726 2010-04-26  Jan Hubicka  <jh@suse.cz>
1727
1728         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1729         (cgraph_clone_node): Copy function frequency.
1730         * cgraph.h (node_frequency): New enum
1731         (struct cgraph_node): Add.
1732         * final.c (rest_of_clean_state): Update.
1733         * lto-cgraph.c (lto_output_node): Output node frequency.
1734         (input_overwrite_node): Input node frequency.
1735         * tre-ssa-loop-ivopts (computation_cost): Update.
1736         * lto-streamer-out.c (output_function): Do not output function
1737         frequency.
1738         * predict.c (maybe_hot_frequency_p): Update and handle functions
1739         executed once.
1740         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1741         attribute lookup.
1742         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1743         (compute_function_frequency): Set noreturn functions to be executed
1744         once.
1745         (choose_function_section): Update.
1746         * lto-streamer-in.c (input_function): Do not input function frequency.
1747         * function.c (allocate_struct_function): Do not initialize function
1748         frequency.
1749         * function.h (function_frequency): Remove.
1750         (struct function): Remove function frequency.
1751         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1752         (try_update): Update.
1753         * tree-inline.c (initialize_cfun): Do not update function frequency.
1754         * passes.c (pass_init_dump_file): Update.
1755         * i386.c (ix86_compute_frame_layout): Update.
1756         (ix86_pad_returns): Update.
1757
1758 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1759
1760         PR tree-optimization/43833
1761         * tree-vrp.c (range_int_cst_p): New.
1762         (range_int_cst_singleton_p): New.
1763         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1764         when both operands are constants.  Use range_int_cst_p in
1765         BIT_IOR_EXPR case.
1766
1767 2010-04-26  Jan Hubicka  <jh@suse.cz>
1768
1769         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1770
1771 2010-04-26  Richard Guenther  <rguenther@suse.de>
1772
1773         PR lto/43080
1774         * gimple.c (gimple_decl_printable_name): Deal gracefully
1775         with a NULL DECL_NAME.
1776
1777 2010-04-26  Richard Guenther  <rguenther@suse.de>
1778
1779         PR lto/42425
1780         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1781         if emitting debug information and it is either a function
1782         or a namespace decl.
1783
1784 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1785
1786         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1787         determine if the statement is vectorizable, and a macro to access it.
1788         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1789         Skip statements that can't be vectorized. If the analysis fails,
1790         mark the statement as unvectorizable if vectorizing basic block.
1791         (vect_compute_data_refs_alignment): Likewise.
1792         (vect_verify_datarefs_alignment): Skip statements marked as
1793         unvectorizable. Add print.
1794         (vect_analyze_group_access): Skip statements that can't be
1795         vectorized. If the analysis fails, mark the statement as
1796         unvectorizable if vectorizing basic block.
1797         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1798         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1799         generated stmts for SLP.
1800         (new_stmt_vec_info): Initialize the new field.
1801         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1802         statements marked as unvectorizable.
1803
1804 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1805
1806         * c-common.c (flag_isoc1x): New.
1807         (flag_isoc99): Update comment.
1808         * c-common.h (flag_isoc1x): New.
1809         (flag_isoc99): Update comment.
1810         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1811         __<type>_DECIMAL_DIG__.
1812         * c-opts.c (set_std_c1x): New.
1813         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1814         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1815         * c.opt (-std=c1x, -std=gnu1x): New options.
1816         * doc/cpp.texi: Mention -std=c1x.
1817         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1818         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1819         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1820         * doc/standards.texi: Mention C1X.
1821         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1822         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1823         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1824         Define for C1X.
1825
1826 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1827
1828         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1829         placeholder from 0x%x to %#x.
1830         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1831         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1832         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1833         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1834         * config/i386/i386.c (ix86_target_string): Ditto.
1835         (output_pic_addr_const): Ditto.
1836         (print_operand): Ditto.
1837
1838 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1839
1840         * combine.c (find_split_point): Add third argument.  Use it
1841         to find nested multiply-accumulate instructions.  Adjust calls.
1842         (try_combine): Adjust call to find_split_point.
1843
1844 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1845
1846         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1847
1848 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1849
1850         PR tree-optimization/41442
1851         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1852         (fold_binary_loc): Call it.
1853
1854 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1855
1856         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1857         * opts.c (common_handle_option): Allow disabling it.
1858         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1859
1860 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1861
1862         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1863         between modes if both types are integral.
1864
1865 2010-04-23  Richard Guenther  <rguenther@suse.de>
1866
1867         PR tree-optimization/43572
1868         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1869
1870 2010-04-23  Richard Guenther  <rguenther@suse.de>
1871
1872         PR lto/43455
1873         * tree-inline.c (tree_can_inline_p): Also check compatibility
1874         of return types.
1875
1876 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1877
1878         PR tree-optimization/43846
1879         * tree-sra.c (struct access): New flag grp_assignment_read.
1880         (build_accesses_from_assign): Set grp_assignment_read.
1881         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1882         (enum mark_read_status): New type.
1883         (analyze_access_subtree): Propagate grp_assignment_read, create
1884         accesses also if both direct_read and root->grp_assignment_read.
1885
1886 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1887
1888         PR middle-end/43835
1889         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1890         function does not have type attributes.
1891
1892 2010-04-23  Richard Guenther  <rguenther@suse.de>
1893
1894         PR lto/42653
1895         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1896         of FUNCTION_DECLs.
1897
1898 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1899
1900         * sese.h (create_if_region_on_edge): Remove.
1901
1902         * sese.c (create_if_region_on_edge): Make static.
1903
1904         * tree-inline.c: Do not include ggc.h.
1905
1906         * expr.c: Do not include ggc.h.
1907
1908         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1909         dependencies.
1910
1911 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1912
1913         PR target/43744
1914         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1915         in the middle of insns for casesi_worker_2.
1916
1917 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1918
1919         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1920
1921 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1922
1923         PR tree-optimization/43842
1924         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1925         loop unrolling in update of exit phis. Fix comment.
1926         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1927         least two reduction statements in the loop before starting SLP
1928         analysis.
1929
1930 2010-04-22  Nick Clifton  <nickc@redhat.com>
1931
1932         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1933
1934 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1935
1936         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1937         to simplify a + ~a.
1938
1939 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1940
1941         * tree-parloops.c (loop_parallel_p): New argument
1942         parloop_obstack.  Pass it down.
1943         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1944         pass it down, free it.
1945
1946         * tree-loop-linear.c (linear_transform_loops): Pass down
1947         lambda_obstack.
1948
1949         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1950         of type struct obstack *.
1951
1952         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1953         scratch_obstack.  Initialize it, pass down, free it.
1954
1955         * lambda.h (lambda_loop_new): Remove.
1956         (lambda_matrix_new, lambda_matrix_inverse)
1957         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1958         argument of type struct obstack *.
1959
1960         * lambda-trans.c (lambda_trans_matrix_new): New argument
1961         lambda_obstack.  Pass it down, use obstack allocation for ret.
1962         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1963         it down.
1964
1965         * lambda-mat.c (lambda_matrix_get_column)
1966         (lambda_matrix_project_to_null): Remove.
1967         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1968         allocation for mat.
1969         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1970         lambda_obstack.
1971
1972         * lambda-code.c (lambda_loop_new): New function.
1973         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1974         (lambda_compute_auxillary_space, lambda_compute_target_space)
1975         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1976         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1977         (build_access_matrix): New argument lambda_obstack.  Use obstack
1978         allocation for am.
1979         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1980         argument lambda_obstack.  Pass it down.
1981
1982 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1983
1984         * optabs.h (expand_widening_mult): Declare.
1985
1986 2010-04-22  Richard Guenther  <rguenther@suse.de>
1987
1988         PR tree-optimization/43845
1989         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1990         lookup the CALL_EXPR function and arguments.
1991
1992 2010-04-22  Nick Clifton  <nickc@redhat.com>
1993
1994         * config/stormy16/stormy16.c
1995         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1996         * config/stormy16/stormy16.h: Tidy up formatting.
1997         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1998         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1999         (ineqbranchsi): Delete pattern.
2000         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2001         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2002         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2003         stormy16-lib2-ucmpsi2.c.
2004
2005 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2006
2007         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2008         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2009         extra set merge_set_noclobber, and use it to relax the final test
2010         slightly.
2011         * df.h (df_simulate_find_noclobber_defs): Declare.
2012         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2013         conditional defs.
2014         (df_simulate_find_noclobber_defs): New function.
2015
2016 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2017
2018         * config/i386/i386.md: Use {} around multi-line preparation statements.
2019
2020 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2021
2022         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2023         (process_init_element): New argument of type struct obstack *.
2024
2025         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2026         (set_init_index, set_init_label, set_nonincremental_init)
2027         (set_nonincremental_init_from_string, find_init_member)
2028         (output_init_element, output_pending_init_elements)
2029         (process_init_element): New argument braced_init_obstack.  Pass it
2030         down.
2031         (push_range_stack, add_pending_init): New argument
2032         braced_init_obstack.  Use obstack allocation.
2033
2034         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2035         braced_init_obstack.  Pass it down.
2036         (c_parser_braced_init): New variables ret, braced_init_obstack.
2037         Initialize obstack, pass it down and finally free it.
2038
2039 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2040
2041         PR middle-end/29274
2042         * tree-pass.h (pass_optimize_widening_mul): Declare.
2043         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2044         gate_optimize_widening_mul): New static functions.
2045         (pass_optimize_widening_mul): New.
2046         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2047         <case MULT_EXPR>: Remove support for widening multiplies.
2048         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2049         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2050         simplify_gen_unary rather than directly building extensions.
2051         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2052         WIDEN_MULT_EXPR.
2053         * expmed.c (expand_widening_mult): New function.
2054         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2055
2056 2010-04-21  Jan Hubicka  <jh@suse.cz>
2057
2058         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2059         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2060         * lto-wpa-fixup.c: Remove.
2061         * Makefile.in (lto-wpa-fixup.o): Remove.
2062         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2063         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2064         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2065
2066 2010-04-21  Jan Hubicka  <jh@suse.cz>
2067
2068         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2069         add write_optimization_summary, read_optimization_summary.
2070         (ipa_write_summaries_of_cgraph_node_set): Remove.
2071         (ipa_write_optimization_summaries): Declare.
2072         (ipa_read_optimization_summaries): Declare.
2073         * ipa-cp.c (pass_ipa_cp): Update.
2074         * ipa-reference.c (pass_ipa_reference): Update.
2075         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2076         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2077         Update.
2078         * ipa-inline.c (pass_ipa_inline): Update.
2079         * ipa.c (pass_ipa_whole_program): Update.
2080         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2081         * passes.c (ipa_write_summaries_1): Do not test wpa.
2082         (ipa_write_optimization_summaries_1): New.
2083         (ipa_write_optimization_summaries): New.
2084         (ipa_read_summaries): Do not test ltrans.
2085         (ipa_read_optimization_summaries_1): New.
2086         (ipa_read_optimization_summaries): New.
2087
2088 2010-04-21  Jan Hubicka  <jh@suse.cz>
2089
2090         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2091         for boundary nodes.
2092         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2093
2094 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2095
2096         PR debug/40040
2097         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2098         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2099
2100 2010-04-21  Jan Hubicka  <jh@suse.cz>
2101
2102         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2103
2104 2010-04-21  Jan Hubicka  <jh@suse.cz>
2105
2106         * varpool.c (decide_is_variable_needed): Variable is always needed
2107         during ltrans.
2108
2109 2010-04-21  Jan Hubicka  <jh@suse.cz>
2110
2111         * opts.c (decode_options): Enable pure-const pass for whopr.
2112
2113 2010-04-21  Jan Hubicka  <jh@suse.cz>
2114
2115         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2116         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2117         at WPA dumping.
2118         (cgraph_decide_inlining): Do not expect callee to be removed in all
2119         cases.
2120
2121 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2122
2123         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2124
2125 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2126
2127         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2128         amdfam10_decode attributes.
2129
2130 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2131
2132         PR middle-end/43570
2133         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2134         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2135         (lower_copyprivate_clauses): Use private var in outer
2136         context instead of original var.  Make sure the types
2137         are correct for VLAs.
2138
2139 2010-04-21  Richard Guenther  <rguenther@suse.de>
2140
2141         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2142         to non-pointer objects.
2143
2144 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2145
2146         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2147         last chain entry if it starts with the still current label.
2148         (add_location_or_const_value_attribute): Check that
2149         loc_list->first->next is NULL instead of comparing ->first with ->last.
2150         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2151         to add_var_loc_to_decl.
2152
2153         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2154         >= 4 add also address size and segment size fields into CIE header.
2155
2156         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2157         long as address size is the same as sizeof (void *) and
2158         segment size is 0.
2159         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2160         address size or segment size is unexpected, return DW_EH_PE_omit.
2161         (classify_object_over_fdes): If get_cie_encoding returned
2162         DW_EH_PE_omit, return -1.
2163         (init_object): If classify_object_over_fdes returned -1,
2164         pretend there were no FDEs at all.
2165
2166 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2167
2168         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2169         bswap{si,di}2 using SWI48 mode iterator.
2170         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2171         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2172         set modrm attribute of bswap insn to 0 and remove length attribute.
2173         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2174         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2175         set mode attribute to <MODE> and remove length attribute.
2176
2177 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2178
2179         PR rtl-optimization/43520
2180         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2181         zero available registers.
2182
2183 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2184
2185         * builtins.c (fold_builtin_cproj): Fold more cases.
2186
2187 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2188
2189         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2190         (fold_builtin_1): Fold builtin cproj.
2191         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2192         Use ATTR_CONST_NOTHROW_LIST.
2193
2194 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2195
2196         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2197         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2198         ffsi2_no_cmove for !TARGET_CMOVE.
2199         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2200         (ffssi2): Remove expander.
2201         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2202         mode iterator.
2203         (ctz<mode>2): Ditto from ctz{si,di}2.
2204         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2205         mode iterator.
2206         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2207         mode iterator.
2208
2209 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2210
2211         * dwarf2out.c (AT_linkage_name): Define.
2212         (clone_as_declaration): Handle DW_AT_linkage_name.
2213         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2214         of DW_AT_MIPS_linkage_name.
2215         (move_linkage_attr): Likewise.
2216         (dwarf2out_finish): Likewise.
2217
2218 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2219
2220         PR middle-end/41952
2221         * fold-const.c (fold_comparison): New folding rule.
2222
2223 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2224
2225         * double-int.h (double_int_setbit): Declare.
2226         * double-int.c (double_int_setbit): New function.
2227         * rtl.h (immed_double_int_const): Declare.
2228         * emit-rtl.c (immed_double_int_const): New function.
2229         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2230         and immed_double_int_const functions.
2231         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2232         expand_copysign_bit):  (Ditto.).
2233         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2234         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2235         * dojump.c (prefer_and_bit_test): (Ditto.).
2236         * expr.c (convert_modes, reduce_to_bit_field_precision,
2237         const_vector_from_tree): (Ditto.).
2238         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2239
2240 2010-04-20  Jan Hubicka  <jh@suse.cz>
2241
2242         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2243         (dump_cgraph_node): Dump new flags.
2244         * cgraph.h (struct cgraph_node): Add flags
2245         reachable_from_other_partition and in_other_partition.
2246         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2247         other partition can not be removed.
2248         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2249         the other partition must be output; silence sanity checking on
2250         leaking functions bodies from other paritition.
2251         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2252         (lto_output_node): Output new flags; do not sanity check that inline
2253         clones are output; drop lto_forced_extern_inline_p code; do not mock
2254         visibility flags at partition boundaries.
2255         (add_node_to): New function.
2256         (output_cgraph): Use it to sort functions so masters appear before
2257         clones.
2258         (input_overwrite_node): Input new flags.
2259         * passes.c (ipa_write_summaries): Do not call
2260         lto_new_extern_inline_states.
2261         * lto-section-out.c (forced_extern_inline,
2262         lto_new_extern_inline_states lto_delete_extern_inline_states,
2263         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2264         * lto-streamer.h (lto_new_extern_inline_states,
2265         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2266         lto_forced_extern_inline_p): Kill.
2267
2268 2010-04-20  Richard Guenther  <rguenther@suse.de>
2269
2270         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2271         from vars that can have pointers.
2272         (process_constraint): Dump useless constraints.
2273
2274 2010-04-20  Richard Guenther  <rguenther@suse.de>
2275
2276         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2277         (dump_sa_points_to_info): Remove asserts.
2278         (init_base_vars): nothing_id isn't an escape point nor does it
2279         have pointers.
2280
2281 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2282
2283         * tree.h (TYPE_REF_IS_RVALUE): Define.
2284         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2285         should_move_die_to_comdat, prune_unused_types_walk): Handle
2286         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2287         (modified_type_die, gen_reference_type_die): Emit
2288         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2289         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2290
2291 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2292
2293         PR target/43635
2294         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2295         calls for -fpic -m31 if they have been sibcall optimized.
2296
2297 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2298
2299         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2300         ar.lc fixed and call-used.
2301
2302         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2303
2304 2010-04-19  Jan Hubicka  <jh@suse.cz>
2305
2306         * opts.c (decode_options): Disable whpr incompatible passes.
2307         * lto/lto.c (lto_1_to_1_map): Skip clones.
2308         (read_cgraph_and_symbols): Do not mark everything as needed.
2309         (do_whole_program_analysis): Do map only after optimizing;
2310         set proper cgraph_state; use passmanager.
2311
2312 2010-04-19  DJ Delorie  <dj@redhat.com>
2313
2314         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2315         POINTER_PLUS_EXPR and fix them.
2316
2317 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2318
2319         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2320         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2321         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2322         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2323         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2324         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2325         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2326         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2327         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2328         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2329         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2330
2331 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2332
2333         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2334         (check_cond_move_block): Likewise.
2335         (cond_move_process_if_block): Likewise.
2336         (noce_find_if_block): Improve formatting.
2337         (find_if_header): Pass 0 to memset and tweak conditions.
2338         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2339
2340 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2341
2342         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2343         for -gdwarf-4.
2344
2345         PR middle-end/43337
2346         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2347         with non-local decl doesn't need chain.
2348
2349 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2350
2351         * ira-color.c (allocno_reload_assign): Avoid accumulating
2352         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2353
2354 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2355
2356         * gimple.h (create_tmp_reg): Declare.
2357         * gimplify.c (create_tmp_reg): New function.
2358         (gimplify_return_expr): Use create_tmp_reg.
2359         (gimplify_omp_atomic): Likewise.
2360         (gimple_regimplify_operands): Likewise.
2361         * tree-dfa.c (make_rename_temp): Likewise.
2362         * tree-predcom.c (predcom_tmp_var): Likewise.
2363         (reassociate_to_the_same_stmt): Likewise.
2364         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2365         (get_replaced_param_substitute): Likewise.
2366         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2367         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2368         * tree-ssa-pre.c (get_representative_for): Likewise.
2369         (create_expression_by_pieces): Likewise.
2370         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2371         (create_tailcall_accumulator): Likewise.
2372
2373 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2374
2375         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2376         new_stmt.
2377         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2378
2379 2010-04-19  Richard Guenther  <rguenther@suse.de>
2380
2381         PR tree-optimization/43796
2382         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2383         from SCEV in the lattice.
2384         (vrp_visit_phi_node): Dump change.
2385
2386 2010-04-19  Richard Guenther  <rguenther@suse.de>
2387
2388         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2389         * configure: Re-generated.
2390
2391 2010-04-19  Richard Guenther  <rguenther@suse.de>
2392
2393         PR tree-optimization/43783
2394         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2395         constant ARRAY_REF operands two and three if possible.
2396
2397 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2398
2399         PR target/43766
2400         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2401
2402 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2403
2404         PR target/43662
2405         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2406
2407 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2408
2409         PR tree-optimization/37027
2410         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2411         and macro to access it.
2412         (vectorizable_reduction): Add argument.
2413         (vect_get_slp_defs): Likewise.
2414         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2415         statements for possible use in SLP.
2416         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2417         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2418         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2419         add new argument.
2420         (vectorizable_reduction): Likewise.
2421         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2422         vect_get_slp_defs.
2423         (vectorizable_type_demotion, vectorizable_type_promotion,
2424         vectorizable_store): Likewise.
2425         (vect_analyze_stmt): Update call to vectorizable_reduction.
2426         (vect_transform_stmt): Likewise.
2427         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2428         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2429         from different interleaving chains in same node.
2430         (vect_slp_rearrange_stmts): New function.
2431         (vect_supported_load_permutation_p): Allow load permutations for
2432         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2433         inside SLP nodes if necessary.
2434         (vect_analyze_slp_instance): Handle reductions.
2435         (vect_analyze_slp): Try to build SLP instances originating from groups
2436         of reductions.
2437         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2438         (vect_get_constant_vectors): Create initial vectors for reductions
2439         according to reduction code. Add new argument.
2440         (vect_get_slp_defs): Add new argument, pass it to
2441         vect_get_constant_vectors.
2442         (vect_schedule_slp_instance): Remove SLP tree root statements.
2443
2444 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2445
2446         * tree.h (ENUM_IS_SCOPED): Define.
2447         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2448         for ENUM_IS_SCOPED enums.
2449
2450 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2451
2452         * fold-const.c (fold_comparison): Use ssizetype.
2453         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2454         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2455         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2456         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2457
2458         * tree.h (initialize_sizetypes): Remove parameter.
2459         (build_common_tree_nodes): Remove second parameter.
2460         * stor-layout.c (initialize_sizetypes): Remove parameter.
2461         Always create an unsigned type.
2462         (set_sizetype): Assert that the passed type is unsigned and simplify.
2463         * tree.c (build_common_tree_nodes): Remove second parameter.
2464         Adjust call to initialize_sizetypes.
2465         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2466         build_common_tree_nodes.
2467
2468 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2469
2470         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2471
2472 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2473
2474         PR tree-optimization/43771
2475         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2476         load permutation doesn't have gaps.
2477
2478 2010-04-18  Jan Hubicka  <jh@suse.cz>
2479
2480         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2481         (sse_prologue_save_insn expander): Use new pattern.
2482         (sse_prologue_save_insn1): New pattern and splitter.
2483         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2484         blocks.
2485         * i386.c (setup_incoming_varargs_64): Do not compute jump
2486         destination here.
2487         (ix86_gimplify_va_arg): Update alignment needed.
2488         (ix86_local_alignment): Do not align all local arrays to 128bit.
2489
2490 2010-04-17  Jan Hubicka  <jh@suse.cz>
2491
2492         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2493
2494 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2495
2496         * arm.md (negdi2): Remove redundant code to force values into a
2497         register.
2498
2499 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2500
2501         * arm/bpabi.S: Add EABI alignment attributes to objects.
2502         * arm/bpabi-v6m.S: Likewise.
2503         * arm/crti.asm: Likewise.
2504         * arm/crtn.asm: Likewise.
2505         * arm/lib1funcs.asm: Likewise.
2506         * arm/libunwind.S: Likewise.
2507
2508 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2509
2510         * arm-protos.h (tune_params): New structure.
2511         * arm.c (current_tune): New variable.
2512         (arm_constant_limit): Delete.
2513         (struct processors): Add pointer to the tune parameters.
2514         (arm_slowmul_tune): New tuning option.
2515         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2516         (all_cores): Adjust to pick up the tuning model.
2517         (arm_constant_limit): New function.
2518         (arm_override_options): Select the appropriate tuning model.  Delete
2519         initialization of arm_const_limit.
2520         (arm_split_constant): Use the new constant-limit model.
2521         (arm_rtx_costs): Pick up the current tuning model.
2522         * arm.md (is_strongarm, is_xscale): Delete.
2523         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2524         for Xscale variant architectures.
2525         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2526
2527 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2528
2529         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2530         can_shift.
2531         (arm_rtx_costs_1): Remove unused variable extra_cost.
2532         (arm_unwind_emit_set): Use variable offset.
2533         (thumb1_output_casesi): Remove unused variable flags.
2534
2535 2010-04-16  Jeff Law  <law@redhat.com>
2536
2537         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2538         needing assignment rather than doing a two-phase assignment.  Remove
2539         unused variable 'm'.
2540
2541 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2542
2543         PR bootstrap/43767
2544         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2545
2546 2010-04-16  Doug Kwan  <dougkwan@google.com>
2547
2548         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2549         (next_operand_entry_id): New static variable.
2550         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2551         (add_to_ops_vec): Assigned unique ID to operand entry.
2552         (struct oecount_s): New field ID.
2553         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2554         (undistribute_ops_list): Assign unique IDs to oecounts.
2555         (init_reassoc): reset next_operand_entry_id.
2556
2557 2010-04-16  Doug Kwan  <dougkwan@google.com>
2558
2559         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2560         missing left parenthesis.
2561
2562 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2563
2564         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2565         *btdi_rex64 using SWI48 mode iterator.
2566         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2567         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2568         *jcc_btdi_mask_rex64.
2569
2570 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2571
2572         * double-int.h (tree_to_double_int): Convert to macro.
2573         * double-int.c (tree_to_double_int): Remove.
2574
2575 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2576
2577         PR debug/43762
2578         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2579         with want_address 2 and in case a single element list might be
2580         possible, call it again with want_address 0.
2581
2582 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2583
2584         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2585         case 'W' print operands for HI mode.
2586         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2587         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2588         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2589         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2590
2591         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2592
2593         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2594         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2595         #xx:3 and #xx:4 mode.
2596
2597         * config/h8300/h8300.md (inverted load with HImode dest): Add
2598         support for H8300SX.
2599
2600         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2601         satisfy 'U' constraint.
2602
2603 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2604
2605         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2606         * configure: Regenerate.
2607         * config.in: Regenerate.
2608         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2609         works.
2610
2611 2010-04-16  Richard Guenther  <rguenther@suse.de>
2612
2613         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2614         (struct tree_decl_common): ... here.
2615         (DECL_PT_UID): Adjust.
2616         (SET_DECL_PT_UID): Likewise.
2617         (DECL_PT_UID_SET_P): Likewise.
2618
2619 2010-04-16  Richard Guenther  <rguenther@suse.de>
2620
2621         PR tree-optimization/43572
2622         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2623         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2624         * tree-flow.h (is_call_clobbered): Remove.
2625         * tree-flow-inline.h (is_call_clobbered): Likewise.
2626         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2627         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2628         (execute_return_slot_opt): Adjust.
2629         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2630         check for call clobbered vars here.
2631         (find_tail_calls): Move tailcall verification to the
2632         proper place.
2633
2634 2010-04-16  Diego Novillo  <dnovillo@google.com>
2635
2636         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2637
2638 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2639
2640         PR target/40603
2641         * config/arm/arm.md (cbranchqi4): New pattern.
2642         * config/arm/predicates.md (const0_operand,
2643         cbranchqi4_comparison_operator): New predicates.
2644
2645 2010-04-16  Richard Guenther  <rguenther@suse.de>
2646
2647         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2648         (dump_gimple_stmt): Likewise.
2649
2650 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2651
2652         * recog.h (struct recog_data): New field is_operator.
2653         (struct insn_operand_data): New field is_operator.
2654         * recog.c (extract_insn): Set recog_data.is_operator.
2655         * genoutput.c (output_operand_data): Emit code to set the
2656         is_operator field.
2657         * reload.c (find_reloads): Use it rather than testing for an
2658         empty constraint string.
2659
2660         PR target/41514
2661         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2662         If the previous insn is a cbranchsi4_insn with the same arguments,
2663         omit the compare instruction.
2664
2665         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2666         register, inputs must be low registers and we need a low register
2667         scratch.  Handle alternative 2 like alternative 3.
2668
2669 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2670
2671         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2672         don't call get_addr on both.  If one expression is a VALUE and
2673         the other a REG, check VALUE's locs if the REG isn't among them.
2674
2675 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2676
2677         * config/sh/sh.h (sh_frame_pointer_required): New function.
2678         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2679         (flag_omit_frame_pointer) Set.
2680         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2681         (rounded_frame_size): Adjust size with outgoing_args_size.
2682         (sh_set_return_address): Must return from stack pointer.
2683         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2684         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2685         (ACCUMULATE_OUTGOING_ARGS): Define.
2686         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2687         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2688
2689 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2690
2691         PR target/43471
2692         * config/sh/sh.c (sh_legitimize_reload_address): Use
2693         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2694         Remove a unneeded check for offset_base.
2695
2696 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2697
2698         * configure: Regenerated.
2699
2700 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2701
2702         * config/s390/s390.c (s390_call_save_register_used): Switch back
2703         to HARD_REGNO_NREGS.
2704
2705 2010-04-15  Richard Guenther  <rguenther@suse.de>
2706
2707         * alias.c (alias_set_subset_of): Handle alias-set zero
2708         child properly.
2709
2710 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2711             Julian Brown  <julian@codesourcery.com>
2712
2713         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2714         alternatives according to use of high and low regs.
2715         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2716         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2717         optimizing for size on Thumb-2.
2718
2719 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2720
2721         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2722
2723 2010-04-15  Richard Guenther  <rguenther@suse.de>
2724
2725         * tree-ssa-structalias.c (struct variable_info): Add
2726         is_fn_info flag.
2727         (new_var_info): Initialize it.
2728         (dump_constraints): Support printing last added constraints.
2729         (debug_constraints): Adjust.
2730         (dump_constraint_graph): Likewise.
2731         (make_heapvar_for): Check for NULL cfun.
2732         (get_function_part_constraint): New function.
2733         (get_fi_for_callee): Likewise.
2734         (find_func_aliases): Properly implement IPA PTA constraints.
2735         (process_ipa_clobber): New function.
2736         (find_func_clobbers): Likewise.
2737         (insert_into_field_list_sorted): Remove.
2738         (create_function_info_for): Properly allocate vars for IPA mode.
2739         Do not use insert_into_field_list_sorted.
2740         (create_variable_info_for): Properly generate constraints for
2741         global vars in IPA mode.
2742         (dump_solution_for_var): Always dump the solution.
2743         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2744         (find_what_var_points_to): Adjust.
2745         (pt_solution_set): Change.
2746         (pt_solution_ior_into): New function.
2747         (pt_solution_empty_p): Export.
2748         (pt_solution_includes_global): Adjust.
2749         (pt_solution_includes_1): Likewise.
2750         (pt_solutions_intersect_1): Likewise.
2751         (dump_sa_points_to_info): Check some invariants.
2752         (solve_constraints): Move constraint dumping ...
2753         (compute_points_to_sets): ... here.
2754         (ipa_pta_execute): ... and here.
2755         (compute_may_aliases): Do not re-compute points-to info
2756         locally if IPA info is available.
2757         (ipa_escaped_pt): New global var.
2758         (ipa_pta_execute): Properly implement IPA PTA.
2759         * tree-into-ssa.c (dump_decl_set): Support dumping
2760         decls not in referenced-vars.
2761         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2762         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2763         (dump_points_to_solution): Likewise.
2764         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2765         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2766         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2767         (copy_decl_to_var): Copy DECL_PT_UID.
2768         (copy_result_decl_to_var): Likewise.
2769         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2770         (copy_node_stat): Copy it.
2771         * tree.h (DECL_PT_UID): New macro.
2772         (SET_DECL_PT_UID): Likewise.
2773         (DECL_PT_UID_SET_P): Likewise.
2774         (struct tree_decl_minimal): Add pt_uid member.
2775         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2776         (pt_solution_empty_p): Declare.
2777         (pt_solution_set): Adjust.
2778         (ipa_escaped_pt): Declare.
2779         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2780         * gimple-pretty-print.c (pp_points_to_solution): New function.
2781         (dump_gimple_call): Dump call clobber/use information.
2782         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2783         * tree-pass.h (TDF_ALIAS): New dump option.
2784         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2785         * doc/invoke.texi (-fipa-pta): Update documentation.
2786
2787 2010-04-15  Richard Guenther  <rguenther@suse.de>
2788
2789         * Makefile.in (OBJS-common): Add gimple-fold.o.
2790         (gimple-fold.o): New rule.
2791         * tree.h (maybe_fold_offset_to_reference,
2792         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2793         prototypes ...
2794         * gimple.h: ... here.
2795         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2796         may_propagate_address_into_dereference): Move prototypes ...
2797         * gimple.h: ... here.
2798         * tree-ssa-ccp.c (get_symbol_constant_value,
2799         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2800         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2801         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2802         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2803         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2804         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2805         gimplify_and_update_call_from_tree): Move ...
2806         * gimple-fold.c: ... here.  New file.
2807         (ccp_fold_builtin): Rename to ...
2808         (gimple_fold_builtin): ... this.
2809         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2810
2811 2010-04-15  Richard Guenther  <rguenther@suse.de>
2812
2813         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2814         fit_double_type, force_fit_type_double, add_double_with_sign,
2815         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2816         lrotate_double, rrotate_double, div_and_round_double): Move ...
2817         * double-int.c: ... here.
2818         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2819         add_double, neg_double, mul_double_with_sign, mul_double,
2820         lshift_double, rshift_double, lrotate_double, rrotate_double,
2821         div_and_round_double): Move prototypes ...
2822         * double-int.h: ... here.
2823
2824 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2825
2826         PR target/43742
2827         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2828         matching constraints to ensure inputs match the output.
2829
2830 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2831
2832         PR target/43742
2833         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2834         in an input-only operand.
2835
2836 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2837
2838         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2839         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2840         (double_int_negative_p): Convert to static inline function.
2841         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2842         (double_int_negative_p): Remove.
2843         * tree.h (lshift_double, rshift_double):
2844         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2845         * fold-const.c (fold_convert_const_int_from_real,
2846         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2847         (lshift_double): Change type of arith argument to bool.
2848         (rshift_double): Change type of arith argument to bool. Correct
2849         comment.
2850         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2851
2852 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2853
2854         PR target/21803
2855         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2856         at the start and end of the then/else blocks, and omit them from the
2857         conversion.
2858         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2859         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2860         (flow_find_head_matching_sequence): New function.
2861         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2862         * basic-block.h (flow_find_cross_jump,
2863         flow_find_head_matching_sequence): Declare functions.
2864
2865 2010-04-14  Jason Merrill  <jason@redhat.com>
2866
2867         PR c++/36625
2868         * c-common.c (attribute_takes_identifier_p): New fn.
2869         * c-common.h: Declare it.
2870
2871 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2872
2873         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2874         splitter condition.
2875         (*udivmod<mode>4): Ditto.
2876
2877 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2878
2879         * config/i386/i386.md (maxmin_int): Rename code attribute from
2880         maxminiprefix and update all users.
2881         (maxmin_float): Ditto from maxminfprefix.
2882         (logic): Ditto from logicprefix.
2883         (absneg_mnemonic): Ditto from absnegprefix.
2884         * config/i386/mmx.md: Update all users of maxminiprefix,
2885         maxminfprefix and logicprefix for rename.
2886         * config/i386/sse.md: Ditto.
2887         * config/i386/sync.md (sync_<code><mode>): Update for
2888         logicprefix rename.
2889
2890 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2891
2892         PR 42966
2893         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2894         warnings converted to errors.
2895
2896 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2897
2898         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2899         used insn_type variable.
2900         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2901         to avoid set-but-not-used warning.
2902
2903 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2904
2905         * df-core.c (df_ref_debug): Change format string placeholder
2906         from 0x%x to %#x.
2907         * dwarf2asm.c (dw2_asm_output_data_raw,
2908         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2909         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2910         * dwarf2out.c (output_cfi, output_cfi_directive,
2911         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2912         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2913         Ditto.
2914         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2915         * print-rtl.c (print_rtx): Ditto.
2916
2917 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2918
2919         PR middle-end/42694
2920         * builtins.c (expand_builtin_pow_root): New function to expand pow
2921         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2922         series of sqrt and cbrt calls under -ffast-math.
2923         (expand_builtin_pow): Call it.
2924
2925 2010-04-14  Michael Matz  <matz@suse.de>
2926
2927         PR tree-optimization/42963
2928         * tree-cfg.c (touched_switch_bbs): New static variable.
2929         (group_case_labels_stmt): New function broken out from ...
2930         (group_case_labels): ... here, use the above.
2931         (start_recording_case_labels): Allocate touched_switch_bbs.
2932         (end_recording_case_labels): Deallocate it, call
2933         group_case_labels_stmt.
2934         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2935
2936 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2937
2938         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2939         from insn template.
2940
2941 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2942
2943         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2944
2945 2010-04-13  Jan Hubicka  <jh@suse.cz>
2946
2947         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2948         of optimized out static functions.
2949         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2950         cost computation.  Also sanity check for overflows.
2951         (update_caller_keys): Update cgraph_edge_badness call; properly
2952         update fibheap and sanity check that it is up to date.
2953         (add_new_edges_to_heap): Update cgraph_edge_badness.
2954         (cgraph_decide_inlining_of_small_function): Likewise;
2955         add sanity checking that badness in heap is up to date;
2956         improve dumping of reason; Update badness of calls to the
2957         offline copy of function currently inlined; dump badness
2958         of functions not inlined because of unit growth limits.
2959
2960 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2961
2962         PR middle-end/32628
2963         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2964         because of sign-extension change when converting to sizetype here...
2965         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2966
2967         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2968         the folding to constants.  Remove redundant final conversion.
2969         (fold_binary) <associate>: Do not associate if the re-association of
2970         constants alone overflows.
2971         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2972         to the end of the list.
2973         (multiple_of_p) <COND_EXPR>: New case.
2974
2975 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2976
2977         * opt-functions.awk (opt_sanitized_name): New.
2978         (opt_enum): New.
2979         * optc-gen.awk: Use it
2980         * opth-gen.awk: Use it.
2981
2982 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2983
2984         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2985         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2986         children.  Call replace_uses_with_default_def_ssa_name to handle
2987         SSA_NAES on lhs.
2988
2989 2010-04-13  Michael Matz  <matz@suse.de>
2990
2991         PR middle-end/43730
2992         * builtins.c (expand_builtin_interclass_mathfn): Also create
2993         a register if the predicate doesn't match.
2994
2995 2010-04-13  Diego Novillo  <dnovillo@google.com>
2996
2997         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2998         * c-pch.c: Include timevar.h.
2999         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3000         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3001         * ggc-common.c: Include timevar.h.
3002         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3003         * timevar.def (TV_PCH_SAVE): Define.
3004         (TV_PCH_CPP_SAVE): Define.
3005         (TV_PCH_PTR_REALLOC): Define.
3006         (TV_PCH_PTR_SORT): Define.
3007         (TV_PCH_RESTORE): Define.
3008         (TV_PCH_CPP_RESTORE): Define.
3009
3010 2010-04-13  Michael Matz  <matz@suse.de>
3011
3012         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3013         into MINUS_EXPRs.
3014         (can_reassociate_p): New function.
3015         (break_up_subtract_bb, reassociate_bb): Use it.
3016
3017 2010-04-13  Richard Guenther  <rguenther@suse.de>
3018
3019         PR bootstrap/43737
3020         * builtins.c (c_readstr): Fix assert.
3021
3022 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
3023
3024         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3025         when generating cltd insn.
3026
3027         (*ashl<mode>3_1): Remove special handling for register operand 2.
3028         (*ashlsi3_1_zext): Ditto.
3029         (*ashlhi3_1): Ditto.
3030         (*ashlhi3_1_lea): Ditto.
3031         (*ashlqi3_1): Ditto.
3032         (*ashlqi3_1_lea): Ditto.
3033         (*<shiftrt_insn><mode>3_1): Ditto.
3034         (*<shiftrt_insn>si3_1_zext): Ditto.
3035         (*<shiftrt_insn>qi3_1_slp): Ditto.
3036         (*<rotate_insn><mode>3_1): Ditto.
3037         (*<rotate_insn>si3_1_zext): Ditto.
3038         (*<rotate_insn>qi3_1_slp): Ditto.
3039
3040 2010-04-13  Richard Guenther  <rguenther@suse.de>
3041
3042         * tree-ssa-structalias.c (callused_id): Remove.
3043         (call_stmt_vars): New.
3044         (get_call_vi): Likewise.
3045         (lookup_call_use_vi): Likewise.
3046         (lookup_call_clobber_vi): Likewise.
3047         (get_call_use_vi): Likewise.
3048         (get_call_clobber_vi): Likewise.
3049         (make_transitive_closure_constraints): Likewise.
3050         (handle_const_call): Adjust to do per-call call-used handling.
3051         (handle_pure_call): Likewise.
3052         (find_what_var_points_to): Remove general callused handling.
3053         (init_base_vars): Likewise.
3054         (init_alias_vars): Initialize call_stmt_vars.
3055         (compute_points_to_sets): Process call-used and call-clobbered
3056         vars for call statements.
3057         (delete_points_to_sets): Free call_stmt_vars.
3058
3059 2010-04-13  Richard Guenther  <rguenther@suse.de>
3060
3061         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3062         Only add RW dependence for dependence distance zero.
3063         Adjust maximal vectorization factor according to dependences.
3064         Move alignment handling ...
3065         (vect_find_same_alignment_drs): ... here.  New function.
3066         (vect_analyze_data_ref_dependences): Adjust.
3067         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3068         (vect_analyze_data_refs): Adjust minimal vectorization factor
3069         according to data references.
3070         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3071         dependences before determining the vectorization factor.
3072         Analyze alignment after determining the vectorization factor.
3073         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3074         dependences before alignment.
3075         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3076         Adjust prototype.
3077         (vect_analyze_data_refs): Likewise.
3078         (MAX_VECTORIZATION_FACTOR): New define.
3079
3080 2010-04-13  Duncan Sands  <baldrick@free.fr>
3081
3082         * except.h (lang_eh_type_covers): Remove.
3083         * except.c (lang_eh_type_covers): Likewise.
3084
3085 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3086             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3087
3088         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3089         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3090         UNITS_PER_LONG where it is ABI relevant.
3091         (s390_return_addr_rtx): Likewise.
3092         (s390_back_chain_rtx): Likewise.
3093         (s390_frame_area): Likewise.
3094         (s390_frame_info): Likewise.
3095         (s390_initial_elimination_offset): Likewise.
3096         (save_gprs): Likewise.
3097         (s390_emit_prologue): Likewise.
3098         (s390_emit_epilogue): Likewise.
3099         (s390_function_arg_advance): Likewise.
3100         (s390_function_arg): Likewise.
3101         (s390_va_start): Likewise.
3102         (s390_gimplify_va_arg): Likewise.
3103         (s390_function_profiler): Likewise.
3104         (s390_optimize_prologue): Likewise.
3105         (s390_rtx_costs): Likewise.
3106         (s390_secondary_reload): Likewise.
3107         (s390_promote_function_mode): Likewise.
3108         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3109         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3110         registers available.
3111         (s390_unwind_word_mode): New function.
3112         (s390_function_value): Split 64 bit values into register pair if
3113         used as return value.
3114         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3115         function call parameters.  Handle parallels.
3116         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3117         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3118         (DWARF_CIE_DATA_ALIGNMENT): New macro.
3119         (s390_expand_setmem): Remove unused variable src_addr.
3120         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3121         deal with 64 bit registers.
3122         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3123         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3124         (UNITS_PER_LONG): New macro.
3125         * libjava/include/s390-signal.h: Define extended ucontext
3126         structure containing the upper halfs of the 64 bit registers.
3127
3128 2010-04-13  Simon Baldwin  <simonb@google.com>
3129
3130         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3131
3132 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3133
3134         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3135         rvalue on the RHS if the LHS is of a non-renamable type.
3136         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3137
3138 2010-04-13  Matthias Klose  <doko@ubuntu.com>
3139
3140         * gcc.c (cc1_options): Handle -iplugindir before processing
3141         the cc1 spec. Only add -iplugindir once.
3142         (cpp_unique_options): Add -iplugindir option if -fplugin* options
3143         found.
3144         * common.opt (iplugindir): Remove `Separate' property, initialize.
3145         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3146         option.
3147         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3148         (distclean): Remove plugin dir.
3149         * doc/invoke.texi: Document -iplugindir.
3150
3151 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3152
3153         * doc/plugins.texi (Loading Plugins): Document short
3154         -fplugin=foo option.
3155         (Plugin API): Mention default_plugin_dir_name function.
3156
3157         * gcc.c (find_file_spec_function): Add new declaration.
3158         (static_spec_func): Use it for "find-file".
3159         (find_file_spec_function): Add new function.
3160         (cc1_options): Add -iplugindir option if -fplugin* options found.
3161
3162         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3163
3164         * plugin.c (add_new_plugin): Updated comment, and handle short
3165         plugin name.
3166         (default_plugin_dir_name): Added new function.
3167
3168         * common.opt (iplugindir): New option to set the plugin directory.
3169
3170 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3171
3172         * config/i386/i386.md (any_rotate): New code iterator.
3173         (rotate_insn): New code attribute.
3174         (rotate): Ditto.
3175         (SWIM124): New mode iterator.
3176         (<rotate_insn>ti3): New expander.
3177         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3178         any_rotate code iterator.
3179         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3180         using any_rotate code iterator and SWIM124 mode iterator.
3181         (ix86_rotlti3): New insn_and_split pattern.
3182         (ix86_rotrti3): Ditto.
3183         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3184         ix86_rotl{di,ti}3 patterns.
3185         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3186         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3187         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3188         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3189         code iterator and SWI mode iterator.
3190         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3191         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3192         code iterator.
3193         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3194         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3195         (bswap rotatert splitter): Add splitter.
3196         (bswap splitter): Macroize splitter using any_rotate code iterator.
3197         Add insn predicate to split only for TARGET_USE_XCHGB or when
3198         optimizing function for size.
3199
3200 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3201
3202         * config/pa/pa.c (emit_move_sequence): Remove use of
3203         deleted variable flag_argument_noalias.
3204
3205 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3206
3207         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3208         configurations.
3209         Add to unsupported targets list.
3210         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3211         sparc*-sun-solaris2.[567]* from target lists.
3212         * configure: Regenerate.
3213         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3214         removal.
3215         Remove Solaris 7 patch references.
3216         (Specific, sparc-sun-solaris2.7): Removed.
3217         (sparc-sun-solaris2*): Update Solaris 7 example.
3218         (sparc64-*-solaris2*): Likewise.
3219
3220 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3221
3222         * config.build (alpha*-dec-osf4*): Remove.
3223         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3224         of obsolete configurations.
3225         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3226         support.
3227         * config/alpha/t-osf4: Renamed to ...
3228         * config/alpha/t-osf5: ... this.
3229         * config/alpha/osf.h: Renamed to ...
3230         * config/alpha/osf5.h: ... this.
3231         Merged old osf5.h contents.
3232         Update comments.
3233         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3234         (EXTRA_SPECS): Removed.
3235         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3236         reflect removal of Tru64 UNIX V4.0/V5.0 support.
3237         Document that.
3238
3239 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3240
3241         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3242
3243 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3244
3245         PR/43702
3246         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3247         __thiscall convention.
3248
3249 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3250
3251         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3252         orig_base.
3253         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3254
3255 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3256
3257         * function.c (assign_parms_initialize_all): Add unused attribute
3258         to fntype.
3259
3260 2010-04-12  Richard Guenther  <rguenther@suse.de>
3261
3262         * gsstruct.def (GSS_CALL): New.
3263         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3264         * gimple.h: Include tree-ssa-alias.h.
3265         (struct gimple_statement_call): New.
3266         (union gimple_statement_struct_d): Add gimple_call member.
3267         (gimple_call_reset_alias_info): Declare.
3268         (gimple_call_use_set): New function.
3269         (gimple_call_clobber_set): Likewise.
3270         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3271         * gimple.c (gimple_call_reset_alias_info): New function.
3272         (gimple_build_call_1): Call it.
3273         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3274         * tree-inline.c (remap_gimple_stmt): Likewise.
3275         (expand_call_inline): Remove callused handling.
3276         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3277         * tree-dfa.c (dump_variable): Likewise.
3278         * tree-parloops.c (parallelize_loops): Likewise.
3279         * tree-ssa.c (init_tree_ssa): Likewise.
3280         (delete_tree_ssa): Likewise.
3281         * tree-flow-inline.h (is_call_used): Remove.
3282         * tree-flow.h (struct gimple_df): Remove callused member.
3283         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3284         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3285         (ref_maybe_used_by_call_p_1): Simplify.
3286         (call_may_clobber_ref_p_1): Likewise.
3287         * tree-ssa-structalias.c (compute_points_to_sets): Set
3288         the call stmt used and clobbered sets.
3289         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3290         (find_tail_calls): Verify the tail call.
3291
3292 2010-04-12  Richard Guenther  <rguenther@suse.de>
3293
3294         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3295         single-iteration always-inline inlining.
3296         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3297         (cgraph_decide_inlining): Do not handle always-inline specially.
3298         (try_inline): Remove always-inline cycle detection special case.
3299         Do not recurse on always-inlines.
3300         (cgraph_early_inlining): Do not iterate if not optimizing.
3301         (cgraph_gate_early_inlining): remove.
3302         (pass_early_inline): Run unconditionally.
3303         (gate_cgraph_decide_inlining): New function.
3304         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
3305         not inlining or optimizing.
3306         (cgraph_decide_inlining_of_small_functions): Also consider
3307         always-inline functions.
3308         (cgraph_default_inline_p): Return true for nodes which should
3309         disregard inline limits.
3310         (estimate_function_body_sizes): Assume zero size and time for
3311         nodes which are marked as disregarding inline limits.
3312         (cgraph_decide_recursive_inlining): Do not perform recursive
3313         inlining on always-inline nodes.
3314
3315 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
3316
3317         PR bootstrap/43699
3318         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3319         for exprs satisfying handled_component_p.
3320
3321 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
3322
3323         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3324         non-constant aggregate elements.
3325
3326         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3327         is a real initialization.
3328
3329 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
3330
3331         PR c/36774
3332         * c-decl.c (start_function): Move forward check for nested function.
3333
3334 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3335
3336         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3337         * config/sh/sh.c: Include reload.h.
3338         (sh_legitimize_reload_address): New.
3339         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3340         sh_legitimize_reload_address.
3341
3342 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3343
3344         * config/sh/sh.md (*movqi_pop): New insn pattern.
3345         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3346
3347 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3348
3349         * config/i386/i386.md (any_shiftrt): New code iterator.
3350         (shiftrt_insn): New code attribute.
3351         (shiftrt): Ditto.
3352         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3353         using any_shiftrt code iterator.
3354         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3355         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3356         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3357         pattern from corresponding peephole2 patterns.
3358         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3359         using any_shiftrt code iterator.
3360         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3361         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3362         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3363         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3364         *{ashr,lshr}<mode>3_cmp_zext.
3365         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3366
3367 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3368
3369         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3370         scratch register.
3371         (*lshr<mode>3_cconly): Ditto.
3372
3373 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3374
3375         * config/i386/i386.md (lshr<mode>3): Macroize expander from
3376         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3377         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3378         pattern from *lshr{di,ti}3_1 and corresponding splitters using
3379         DWI mode iterator.
3380         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3381         from corresponding peephole2 patterns.
3382         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3383         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3384         and *lshrdi3_1_rex64 using SWI mode iterator.
3385         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3386         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3387         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3388         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3389         and *lshrdi3_cmp_rex64 using SWI mode iterator.
3390         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3391         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3392         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3393         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3394         SWI mode iterator.
3395
3396 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
3397
3398         * config/i386/i386.md (ashr<mode>3): Macroize expander from
3399         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3400         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3401         pattern from *ashr{di,ti}3_1 and corresponding splitters using
3402         DWI mode iterator.
3403         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3404         from corresponding peephole2 patterns.
3405         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3406         (ashrsi3_cvt): Rename from ashrsi3_31.
3407         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3408         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3409         and x86_64_shift_adj_3 using SWI48 mode iterator.
3410         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3411         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3412         and *ashrdi3_1_rex64 using SWI mode iterator.
3413         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3414         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3415         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3416         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3417         and *ashrdi3_cmp_rex64 using SWI mode iterator.
3418         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3419         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3420         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3421         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3422         SWI mode iterator.
3423         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3424         * config/i386/i386.c (ix86_split_ashr): Update for renamed
3425         x86_shift<mode>_adj_3 expanders.