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* lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-11  Jan Hubicka  <jh@suse.cz>
2
3         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
4         lto_streamer_cache_delete): Put nodes into heap.
5         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
6         heap.
7
8 2010-05-11  Jan Hubicka  <jh@suse.cz>
9
10         * cgraphbuild.c (cgraph_rebuild_references): New.
11         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
12         out extern inlines.
13         * cgraph.h (cgraph_rebuild_references): Declare.
14         * tree-inline.c (tree_function_versioning): Use it.
15         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
16
17 2010-05-11  Jan Hubicka  <jh@suse.cz>
18
19         * cgraph.c: Include ipa-utils.h
20         (cgraph_create_virtual_clone): Update references.
21         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
22
23 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
24
25         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
26         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
27         cache size.
28
29 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
30
31         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
32
33 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
34
35         * gcc.c (execute): For -### don't quote arguments that
36         contain just alphanumerics and _/-. characters.
37         * doc/invoke.texi: Document that change for -###.
38
39         PR debug/44023
40         * df-problems.c (struct dead_debug): Add to_rescan field.
41         (dead_debug_init): Clear to_rescan field.
42         (dead_debug_finish): Rescan all debug insns in to_rescan
43         bitmap and free the bitmap.
44         (dead_debug_insert_before): Instead of rescanning debug insns
45         immediately queue their rescanning until dead_debug_finish.
46         (df_note_bb_compute): After dead_debug_add do continue instead
47         of break.
48
49 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
50
51         PR debug/44028
52         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
53         clear also INSN_REG_USE_LIST.
54
55 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
56
57         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
58
59 2010-05-10  Jan Hubicka  <jh@suse.cz>
60
61         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally commited change.
62
63 2010-05-10  Jan Hubicka  <jh@suse.cz>
64
65         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries): Allocate
66         encoders.
67         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
68         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
69         (lto_streamer_cache_create): Init alloc pool.
70         (lto_streamer_cache_delete): Free alloc pool.
71         * lto-streamer.h: Include alloc pool.
72         (lto_streamer_cache_d): Use alloc pool.
73         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
74
75 2010-05-10  Jan Hubicka  <jh@suse.cz>
76
77         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
78         * cgraphbuild.c: Include except.h
79         (record_type_list, record_eh_tables): New function.
80         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
81
82 2010-05-10  Jan Hubicka  <jh@suse.cz>
83
84         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
85         __frame_dummy_init_array_entry, force_to_data): Attribute as used
86         rather than unused.
87
88 2010-05-10  Michael Matz  <matz@suse.de>
89
90         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
91         (can_reassociate_p): Use FLOAT_TYPE_P.
92         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
93         (vect_force_simple_reduction): ... this.
94         * tree-parloops.c (gather_scalar_reductions): Use
95         vect_force_simple_reduction.
96         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
97         vect_is_simple_reduction, add modify argument, if true rewrite
98         "a-b" into "a+(-b)".
99         (vect_is_simple_reduction, vect_force_simple_reduction): New
100         functions.
101         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
102
103 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
104             Vladimir Makarov  <vmakarov@redhat.com>
105
106         PR rtl-optimization/44012
107         * ira-build.c (remove_unnecessary_allocnos): Nullify
108         regno_allocno_map of the removed allocno.
109
110 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
111
112         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
113         to /dev/null.
114         * configure: Regenerate.
115
116 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
117
118         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
119         unused.
120         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
121         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
122         support in Sun ld.
123         * configure: Regenerate.
124
125 2010-05-10  Richard Guenther  <rguenther@suse.de>
126
127         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
128         marked if the entry identifier is marked.
129
130 2010-05-10  Richard Guenther  <rguenther@suse.de>
131
132         * c-common.c (struct c_common_attributes): Add fnspec attribute.
133         (handle_fnspec_attribute): New function.
134         * gimple.h (gimple_call_return_flags): Declare.
135         (gimple_call_arg_flags): Likewise.
136         * gimple.c (gimple_call_arg_flags): New function.
137         (gimple_call_return_flags): Likewise.
138         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
139         New argument flags.
140         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
141         return value flags.
142         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
143         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
144         main work to ...
145         (make_heapvar_for): ... this new function.
146         (handle_rhs_call): Handle fnspec attribute argument specifiers.
147         (handle_lhs_call): Likewise.
148         (find_func_aliases): Adjust.
149
150 2010-05-10  Richard Guenther  <rguenther@suse.de>
151
152         PR tree-optimization/44050
153         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
154
155 2010-05-10  Wei Guozhi  <carrot@google.com>
156
157         PR target/42879
158         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
159
160 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
161
162         PR c/10676
163         * c-typeck.c (lookup_field): Take a type directly.  Update
164         recursive calls.
165         (build_component_ref): Update call to lookup_field.
166         (set_init_label): Use lookup_field to find initialized field.
167         Handle returned list of fields like a sequence of designators.
168
169 2010-05-09  Richard Guenther  <rguenther@suse.de>
170
171         PR middle-end/44024
172         * fold-const.c (tree_single_nonzero_warnv_p): Properly
173         handle &FUNCTION_DECL.
174
175 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
176
177         PR c/4784
178         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
179         structures and unions recursively.
180         (detect_field_duplicates): Move duplicate detection with a hash to
181         detect_field_duplicates_hash.  Always use a hash if anonymous
182         structures or unions are present.
183         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
184         give errors.
185
186 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
187
188         PR target/44046
189         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
190         detect Atom, Core 2 and Core i7.
191
192 2010-05-09  Richard Guenther  <rguenther@suse.de>
193
194         * gcc.c (store_arg): Handle temporary file deletion for
195         joined arguments.
196
197 2010-05-09  Richard Guenther  <rguenther@suse.de>
198
199         PR middle-end/44043
200         * ipa-inline.c (estimate_function_body_sizes): Return after
201         disregarding inline limits.
202
203 2010-05-09  Richard Guenther  <rguenther@suse.de>
204
205         * gcc.c (store_arg): Revert last change.
206
207 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
208
209         PR middle-end/28685
210         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
211         (optimize_ops_list): Call it.
212
213 2010-05-08  Richard Guenther  <rguenther@suse.de>
214
215         PR tree-optimization/44030
216         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
217         NECESSARY flag if we propagate from a inserted expression.
218
219 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
220
221         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
222         domain types as equal if they are both PLACEHOLDER_EXPRs.
223
224 2010-05-08  Richard Guenther  <rguenther@suse.de>
225
226         * lto-wrapper.c (run_gcc): Remove linker output from
227         command line for LTRANS invocation.
228
229 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
230
231         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
232         lto-macho as lto_binary_reader.
233         * target.h (struct gcc_target): New hooks lto_start and lto_end.
234         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
235         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
236         in lto_start and lto_end calls.
237         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
238         magic numbers.
239         (scan_prog_file): Update is_elf_or_coff call.
240         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
241
242         * collect2.c (main): Fix enum comparison.
243
244         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
245         Add prototypes.
246         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
247         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
248         and TARGET_ASM_LTO_END.
249         * darwin.c: Include obstack.h and lto-streamer.h.
250         (lto_section_names_offset, lto_section_names_obstack,
251         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
252         global variables.
253         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
254         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
255         to a temporary file.
256         (darwin_asm_lto_end): New function.  Restore asm_out_file.
257         (darwin_asm_named_section): For LTO sections, replace the name with
258         the offset of the section name in a string table, and build this
259         table.
260         (darwin_file_start): Initialize global vars for LTO support.
261         (darwin_file_end): If output to asm_out_file was redirected, append it
262         to the proper asm_out_file here.  Add the section names section.
263
264 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
265
266         * c-pragma.c (pending_weak_d, pending_weak): New.
267         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
268         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
269         handle_pragma_weak): Update the uses of pending_weaks.
270
271 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
272
273         PR documentation/44016
274         * doc/standards.texi (Standards): Link to unversioned
275         cxx0x_status.html page.
276
277 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
278
279         PR target/43708
280         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
281         in addition to TREE_USED, to avoid "set but unused" warnings.
282
283 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
284
285         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
286         (is_loop_prefetching_profitable): Do not insert prefetches
287         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
288         times the prefetch ahead distance.
289
290 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
291
292         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
293         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
294         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
295         the unroll_factor.
296
297 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
298
299         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
300         a diagnostic info when the insn-to-mem ratio is too small.
301
302 2010-05-07  Richard Guenther <rguenther@suse.de>
303
304         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
305         the linker plugin.
306         (store_arg): Queue temp_filename for deletion instead of
307         the whole argument.
308
309 2010-05-07  Richard Guenther  <rguenther@suse.de>
310
311         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
312         (run_gcc): Handle LTRANS phase invocation.
313         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
314
315 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
316
317         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
318         this is also meaningful on PARM_DECLs and RESULT_DECLs.
319
320 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
321
322         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
323
324 2010-05-07  Richard Guenther  <rguenther@suse.de>
325
326         PR tree-optimization/44020
327         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
328         code when PRE is not yet initialized.
329
330 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
331
332         * config/mips/dbxmdebug.h: Remove.
333         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
334
335 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
336
337         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
338         with null pointer and also warn about ordered comparison of zero with
339         pointer if -Wextra.
340
341 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
342
343         * graphite-blocking.c
344         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
345         * graphite-clast-to-gimple.c
346         (clast_to_gcc_expression): Same.
347         (precision_for_value): Same.
348         (precision_for_interval): Same.
349         (gcc_type_for_interval): Same.
350         (graphite_create_new_guard): Same.
351         (compute_bounds_for_level): Same.
352         (graphite_create_new_loop_guard): Same.
353         * graphite-interchange.c
354         (build_linearized_memory_access): Same.
355         (pdr_stride_in_loop): Same.
356         (memory_strides_in_loop_1): Same.
357         (memory_strides_in_loop): Same.
358         (extend_scattering): Same.
359         (psct_scattering_dim_for_loop_depth): Same.
360         (pbb_number_of_iterations): Same.
361         * graphite-poly.h
362         (debug_iteration_domains): Same.
363         * graphite-ppl.c
364         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
365         (ppl_set_inhomogeneous_gmp): Same.
366         (ppl_strip_loop): Same.
367         (ppl_lexico_compare_linear_expressions): Same.
368         (ppl_read_polyhedron_matrix): Same.
369         (ppl_max_for_le_pointset): Same.
370         * graphite-ppl.h
371         (ppl_read_polyhedron_matrix): Same.
372         (tree_int_to_gmp): Same.
373         (gmp_cst_to_tree): Same.
374         (ppl_set_inhomogeneous): Same.
375         (ppl_set_inhomogeneous_tree): Same.
376         (ppl_set_coef): Same.
377         (ppl_set_coef_tree): Same.
378         * graphite-sese-to-poly.c
379         (build_pbb_scattering_polyhedrons): Same.
380         (build_scop_scattering): Same.
381         (scan_tree_for_params_right_scev): Same.
382         (scan_tree_for_params): Same.
383         (find_params_in_bb): Same.
384         (find_scop_parameters): Same.
385         (add_upper_bounds_from_estimated_nit): Same.
386         (build_loop_iteration_domains): Same.
387         (add_condition_to_domain): Same.
388         (pdr_add_memory_accesses): Same.
389
390 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
391
392         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
393         CLooG's value_* macros to their respective mpz_* counterparts.
394         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
395         (graphite_create_new_loop_guard): Same.
396         * graphite-interchange.c (build_linearized_memory_access): Same.
397         (pdr_stride_in_loop): Same.
398         (memory_strides_in_loop_1): Same.
399         (1st_interchange_profitable_p): Same.
400         * graphite-poly.c (extend_scattering): Same.
401         (psct_scattering_dim_for_loop_depth): Same.
402         (pbb_number_of_iterations): Same.
403         (pbb_number_of_iterations_at_time): Same.
404         * graphite-poly.h (new_1st_loop): Same.
405         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
406         (oppose_constraint): Same.
407         (insert_constraint_into_matrix): Same.
408         (ppl_set_inhomogeneous_gmp): Same.
409         (ppl_set_coef_gmp): Same.
410         (ppl_strip_loop): Same.
411         (ppl_lexico_compare_linear_expressions): Same.
412         (ppl_max_for_le_pointset): Same.
413         (ppl_min_for_le_pointset): Same.
414         (ppl_build_realtion): Same.
415         * graphite-ppl.h (gmp_cst_to_tree): Same.
416         (ppl_set_inhomogeneous): Same.
417         (ppl_set_inhomogeneous_tree): Same.
418         (ppl_set_coef): Same.
419         (ppl_set_coef_tree): Same.
420         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
421         (build_scop_scattering): Same.
422         (add_value_to_dim): Same.
423         (scan_tree_for_params_right_scev): Same.
424         (scan_tree_for_params_int): Same.
425         (scan_tree_for_params): Same.
426         (find_params_in_bb): Same.
427         (find_scop_parameters): Same.
428         (add_upper_bounds_from_estimated_nit): Same.
429         (build_loop_iteration_domains): Same.
430         (create_linear_expr_from_tree): Same.
431         (add_condition_to_domain): Same.
432         (pdr_add_memory_accesses): Same.
433
434 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
435             Jason Merrill  <jason@redhat.com>
436
437         * c-common.c (c_common_reswords): Add nullptr.
438         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
439         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
440         (gen_type_die_with_usage): Likewise.
441         * dbxout.c (dbxout_type): Likewise.
442         * sdbout.c (plain_type_1): Likewise.
443
444 2010-05-06  Jason Merrill  <jason@redhat.com>
445
446         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
447         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
448         ret appropriately.
449         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
450
451         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
452         stripping WITH_SIZE_EXPR.
453         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
454         change.
455
456 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
457
458         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
459         list of obsolete configurations.
460         Disabled check for obsolete configurations.
461         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
462         Removed support for previous versions.
463         * config/mips/iris.h: Removed.
464         * config/mips/iris5.h: Removed.
465         * config/mips/iris6.h: Merged old iris.h contents.
466         (TARGET_IRIX): Removed.
467         (DRIVER_SELF_SPECS): Removed mabi=32.
468         (IDENT_ASM_OP): Removed undef.
469         (STARTFILE_SPEC): Removed mabi=32.
470         (ENDFILE_SPEC): Likewise.
471         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
472         (MACHINE_TYPE): Update for IRIX 6.5.
473         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
474         TARGET_IRIX by TARGET_IRIX6.
475         (mips_file_start): Likewise.
476         (mips_output_external): Remove IRIX 5/6 O32 support.
477         (mips_output_function_prologue): Likewise.
478         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
479         TARGET_IRIX6.
480         (TARGET_CPU_CPP_BUILTINS): Likewise.
481         (TARGET_IRIX): Removed.
482         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
483         (MULTILIB_DIRNAMES): Removed 32.
484         (MULTILIB_OSDIRNAMES): Removed ../lib.
485         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
486         (Specific, mips-sgi-irix5): Document removal.
487         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
488         Remove references to older IRIX 6 releases and the O32 ABI.
489
490 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
491
492         PR bootstrap/43994
493         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
494         instead of DF_REF_REAL_REG.
495
496 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
497
498         PR target/43888
499         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
500         handling to still return true for x64 targets.
501
502 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
503
504         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
505
506 2010-05-06  Jan Hubicka  <jh@suse.cz>
507
508         PR tree-optimization/43791
509         * ipa-inline.c (update_caller_keys): Remove bogus
510         disregard_inline_limits check.
511
512 2010-05-06  Michael Matz  <matz@suse.de>
513
514         PR tree-optimization/43984
515         * tree-ssa-pre.c (inserted_phi_names): Remove.
516         (inserted_exprs): Change to bitmap.
517         (create_expression_by_pieces): Set bits, don't append to vector.
518         (insert_into_preds_of_block): Don't handle inserted_phi_names.
519         (eliminate): Don't look at inserted_phi_names, remove deleted
520         insns from inserted_exprs.
521         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
522         (init_pre, fini_pre): Allocate and free bitmaps.
523         (execute_pre): Insert insns on edges before elimination.
524
525 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
526
527         * tree.c (initializer_zerop): Handle STRING_CST.
528
529 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
530
531         PR 40989
532         * doc/invoke.texi (Wimplicit): Document as C only.
533         * opts.c (common_handle_option): Add argument kind.
534         (handle_option): Rename as read_cmdline_option. Factor out code to...
535         (handle_option): ... here. New.
536         (handle_options): Rename as read_cmdline_options.
537         (decode_options): Update call.
538         (set_option): Use option index instead of option pointer. Classify
539         diagnostics correctly.
540         (enable_warning_as_error): Call handle_option.
541         * opts.h (set_option): Update declaration.
542         (handle_option): Declare.
543         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
544         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
545         * c-opts.c (set_Wimplicit): Delete.
546         (c_family_lang_mask): New static constant.
547         (c_common_handle_option): Add argument kind. Use handle_option
548         instead of set_Wimplicit.
549         (c_common_post_options): warn_implicit and warn_implicit_int
550         are disabled by default.
551         * c-common.c (warn_implicit): Do not define here.
552         * c-common.h (warn_implicit): Do not declare here.
553         (c_common_handle_option): Update declaration.
554         * lto-opts.c (lto_reissue_options): Update call to set_option.
555
556 2010-05-06  Richard Guenther  <rguenther@suse.de>
557
558         PR tree-optimization/43571
559         * domwalk.c (walk_dominator_tree): Walk the dominator
560         sons in more optimal order.
561
562 2010-05-06  Richard Guenther  <rguenther@suse.de>
563
564         PR tree-optimization/43934
565         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
566         (stmt_cost): Likewise.
567         (extract_true_false_args_from_phi): New helper.
568         (determine_max_movement): For PHI nodes verify we can hoist them
569         and compute their cost.
570         (determine_invariantness_stmt): Handle PHI nodes.
571         (move_computations_stmt): Likewise.  Hoist PHI nodes in
572         if-converted form using COND_EXPRs.
573         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
574         (tree_ssa_lim): Likewise.
575         * tree-flow.h (tree_ssa_lim): Adjust prototype.
576         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
577
578 2010-05-06  Richard Guenther  <rguenther@suse.de>
579
580         PR tree-optimization/43987
581         * tree-ssa-structalias.c (could_have_pointers): For possibly
582         address-taken variables force pointers to be recorded.
583         (create_variable_info_for_1): Likewise.
584         (push_fields_onto_fieldstack): Pass in wheter all fields
585         must have pointers.
586         (find_func_aliases): Query types instead of vars whether
587         they contain pointers where appropriate.
588
589 2010-05-06  Jan Hubicka  <jh@suse.cz>
590
591         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
592         (record_reference, mark_address, mark_load, mark_store): Record
593         references.
594         (record_references_in_initializer): Update call of record_references.
595         (rebuild_cgraph_edges): Remove all references before rebuiding.
596         * cgraph.c (cgraph_create_node): Clear ref list.
597         (cgraph_remove_node): Remove references.
598         (dump_cgraph_node): Dump references.
599         (cgraph_clone_node): Clone references.
600         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
601         (struct cgraph_node, varpool_node): Add ref_lst.
602         * ipa-ref.c: New file.
603         * ipa-ref.h: New file.
604         * ipa-ref-inline.h: New file.
605         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
606         (referenced_from_other_partition_p): New function.
607         (lto_output_varpool_node): Take set arugment; call
608         referenced_from_other_partition.
609         (lto_output_ref): New.
610         (add_references): New.
611         (output_refs): New.
612         (output_cgraph): Compute boundary based on references; output refs.
613         (output_varpool): Accept cgraph_node_set argument.
614         (input_ref): New.
615         (input_refs): New.
616         (input_cgraph): Call input_refs.
617         * lto-section-in.c (lto_section_name): Add refs.
618         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
619         (ipa-ref.o): New file.
620         * varpool.c (varpool_node): Clear ipa ref list.
621         (varpool_remove_node): Remove references.
622         (dump_varpool_node): Dump references.
623         (varpool_assemble_decl): Only compile finalized ones.
624         (varpool_extra_name_alias): Initialize ref list.
625         * lto-streamer.c (lto-get_section_name): Add .refs section.
626         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
627         (referenced_from_other_partition_p): Declared.
628
629 2010-05-06  Ira Rosen  <irar@il.ibm.com>
630
631         PR tree-optimization/43901
632         * tree-vect-stmts.c (vectorizable_call): Assert that vector
633         type is not NULL if it's transformation phase, and return
634         FALSE if it's analysis.
635         (vectorizable_conversion, vectorizable_operation,
636         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
637
638 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
639
640         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
641         Delete.
642         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
643         New define.
644         * config/mips/mips-protos.h
645         (mips_small_register_classes_for_mode_p): Delete prototype.
646
647 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
648
649         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
650         * config/arm/arm.c (multiple_operation_profitable_p,
651         compute_offset_order): New static functions.
652         (load_multiple_sequence, store_multiple_sequence): Use them.
653         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
654         memory offsets, not register numbers.
655         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
656
657 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
658
659         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
660         (get_pending_sizes, put_pending_size, put_pending_sizes):
661         Update the uses of pending_sizes.
662         * c-decl.c (store_parm_decls): Likewise.
663         * c-tree.h (struct c_arg_info): Likewise.
664         * tree.h: Update the prototype for get_pending_sizes and
665         put_pending_sizes.
666
667 2010-05-05  Jason Merrill  <jason@redhat.com>
668
669         PR debug/43370
670         * c-common.c (handle_aligned_attribute): Respect
671         ATTR_FLAG_TYPE_IN_PLACE.
672
673         PR testsuite/43758
674         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
675         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
676         (TARGET_INITIALIZER): Use it.
677         * c-common.c (attribute_takes_identifier_p): Call it.
678         * c-common.h: Update prototype.
679         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
680         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
681
682 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
683
684         PR debug/43950
685         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
686         DW_ID_down_case for Fortran compilation units.
687
688 2010-05-05  Jan Hubicka  <jh@suse.cz>
689
690         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
691         handle aliases.
692
693 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
694
695         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
696         a variable-sized RESULT_DECL.
697
698 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
699
700         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
701
702 2010-05-05  Jason Merrill  <jason@redhat.com>
703
704         PR c++/43787
705         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
706         returns GS_OK.
707         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
708
709 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
710             Jakub Jelinek  <jakub@redhat.com>
711
712         PR debug/43478
713         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
714         (dead_debug_init, dead_debug_finish): New functions.
715         (dead_debug_add, dead_debug_insert_before): Likewise.
716         (df_note_bb_compute): Initialize a dead_debug object, add dead
717         debug uses to it, insert debug bind insns before death insns,
718         reset debug insns that refer to pending uses at the end.
719         * rtl.h (make_debug_expr_from_rtl): New prototype.
720         * varasm.c (make_debug_expr_from_rtl): New function.
721
722 2010-05-05  Jan Hubicka  <jh@suse.cz>
723
724         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
725         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
726         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
727         lto_varpool_encoder_deref, lto_varpool_encoder_size,
728         lto_varpool_encoder_encode_initializer_p,
729         lto_set_varpool_encoder_encode_initializer): New functions.
730         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
731         call output_varpool.
732         (input_varpool_node): Do not always set analyzed.
733         (input_cgraph_1): Return vector of cgraph nodes.
734         (input_varpool_1): Return vector of varpools.
735         (input_cgraph): Free the vectors.
736         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
737         output only initializers needed.
738         (lto_output): Only call output_cgraph.
739         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
740         * lto-section-out.c (lto_new_out_decl_state): Initialize
741         state->varpool_node_encoder.
742         * lto-streamer.h (lto_varpool_encoder_d): New.
743         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
744         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
745         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
746         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
747         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
748         Declare.
749         (output_varpool, input_varpool): Remove declarations.
750
751 2010-05-05  Jan Hubicka  <jh@suse.cz>
752
753         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
754         with body can prevail.
755
756 2010-05-05  Jan Hubicka  <jh@suse.cz>
757
758         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
759         size.
760
761 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
762
763         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
764
765         * gengtype.h (erro_at_line): Constify pos argument.
766
767         * gengtype.c: Include hashtab.h.
768         (enum gc_used): Document GC_MAYBE_POINTED_TO.
769         (error_at_line): Constify pos argument.
770         (do_typedef): Initialize p->opt field.
771         (get_file_gtfilename): Fix comment typo.
772         (struct walk_type_data): Constify line field.
773         (get_output_file_for_structure): New function.
774         (write_local_func_for_structure): Constify orig_s argument.
775         Use get_output_file_for_structure.
776         (write_func_for_structure): Use get_output_file_for_structure.
777         (INDENT): New define.
778         (dump_pair, dump_type, dump_type_list, dump_typekind)
779         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
780         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
781         functions.
782         (seen_types): New variable.
783         (main): New variable do_dump.  Process "-d" command line option.
784         Call dump_everything if dump requested.
785
786 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
787
788         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
789         in a temporary instead of invoking the macro multiple times.
790         (track_expr_p): Likewise.
791
792 2010-05-04  Neil Vachharajani <nvachhar@google.com>
793
794         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
795         per new semantics.
796         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
797         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
798         conditions for printing notes.
799         * common.opt (-Wcoverage-mismatch): Allow negative, default to
800         true, update documentation.
801         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
802
803 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
804
805         PR c/43981
806         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
807         on dimen.
808
809 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
810
811         PR target/43799
812         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
813         (*sse_prologue_save_insn1): Likewise.
814         (SSE prologue save splitter): Likewise.
815
816 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
817
818         * tree.c (free_lang_data_in_one_sizepos): New inline function.
819         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
820         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
821         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
822         all decls.  Call it on DECL_FIELD_OFFSET of fields.
823         (find_decls_types_r): Follow DECL_VALUE_EXPR.
824         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
825
826 2010-05-04  Martin Jambor  <mjambor@suse.cz>
827
828         * tree-sra.c (build_access_from_expr_1): The first parameter type
829         changed to simple tree.
830         (build_access_from_expr): Likewise, gsi parameter was eliminated.
831         (scan_assign_result): Renamed to assignment_mod_result, enum elements
832         renamed as well.
833         (build_accesses_from_assign): Removed all parameters except for a
834         simple gimple statement.  Now returns a simple bool.
835         (scan_function): All non-analysis parts moved to separate functions
836         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
837         parameters and updated both callers.
838         (sra_modify_expr): Removed parameter data.
839         (sra_modify_function_body): New function.
840         (perform_intra_sra): Call sra_modify_function_body to modify the
841         function body.
842         (replace_removed_params_ssa_names): Parameter data changed into
843         adjustments vector.
844         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
845         changed the parameter dont_convert to convert with the opposite
846         meaning.
847         (sra_ipa_modify_assign): Parameter data changed into adjustments
848         vector, return value changed to bool.
849         (ipa_sra_modify_function_body): New function.
850         (sra_ipa_reset_debug_stmts): Updated a comment.
851         (modify_function): Use ipa_sra_modify_function_body to modify function
852         body.
853
854 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
855
856         PR middle-end/43671
857         * alias.c (true_dependence): Handle the same VALUE in x and mem.
858         (canon_true_dependence): Likewise.
859         (write_dependence_p): Likewise.
860
861 2010-05-04  Jan Hubicka  <jh@suse.cz>
862
863         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
864         * cgraphbuild.c: Include ipa-utils.h
865         (record_reference_ctx): New struct.
866         (record_reference): Simplify to work on initializers; not statements.
867         (mark_address, mark_load, mark_store): New.
868         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
869         walk PHI nodes too.
870         (record_references_in_initializer): Update use of record_reference.
871         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
872         walk PHI nodes too.
873
874 2010-05-04  Jan Hubicka  <jh@suse.cz>
875
876         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
877         node will be removed anyway.
878         (lto_varpool_replace_node): Allow also unanalyzed nodes;
879         relink aliases of node into prevailing node.
880         * varpool.c (varpool_remove_node): Remove aliases properly;
881         when removing node, remove all its aliases too; remove DECL_INITIAL
882         of removed node; ggc_free the varpool node.
883
884 2010-05-04  Richard Guenther  <rguenther@suse.de>
885
886         PR tree-optimization/43879
887         * tree-ssa-structalias.c (alias_get_name): Use
888         DECL_ASSEMBLER_NAME if available.
889         (create_function_info_for): Return the varinfo node.
890         (ipa_pta_execute): Associate same-body aliases and extra names
891         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
892
893 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
894
895         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
896
897 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
898
899         PR bootstrap/43964
900         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
901         only if HONOR_REG_ALLOC_ORDER is not defined.
902
903 2010-05-04  Richard Guenther  <rguenther@suse.de>
904
905         PR tree-optimization/43949
906         * tree-vrp.c (extract_range_from_binary_expr): Only handle
907         TRUNC_MOD_EXPR.
908
909 2010-04-26  Jason Merrill  <jason@redhat.com>
910
911         * c.opt (-fstrict-enums): New.
912         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
913
914 2010-05-03  David Ung <davidu@mips.com>
915             James E. Wilson  <wilson@codesourcery.com>
916
917         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
918         emit the trap instruction before the divide for TUNE_74K.
919
920 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
921
922         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
923         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
924         based on the above, for new target hook.
925
926         * hooks.c (hook_bool_mode_true): New generic hook.
927         * hooks.h (hook_bool_mode_true): Add prototype.
928
929         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
930         target hook.
931         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
932         target hook, set to hook_bool_mode_false.
933         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
934         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
935         with targetm.small_register_classes_for_mode_p.
936         (find_reusable_reload): Likewise.
937         (combine_reloads): Likewise.
938         * reload1.c (reload_as_needed): Likewise.
939         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
940         * ifcvt.c (noce_process_if_block, check_cond_move_block,
941         dead_or_predicable): Likewise.
942         * regmove.c (optimize_reg_copy_1): Likewise.
943         * calls.c (prepare_call_address): Likewise.
944         (precompute_register_parameters): Likewise.
945
946         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
947         hook definition.
948         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
949         implementation of the hook that considers all register classes
950         small except for SH64.
951         (sh_override_options): Use the new hook.
952         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
953         Add prototype.
954
955         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
956         hook definition.
957         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
958         implementation of the hook that considers all register classes
959         small for THUMB1.
960         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
961         Add prototype.
962
963         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
964         hook definition.
965         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
966         implementation of the hook that considers all register classes
967         small for MIPS16.
968         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
969         Add prototype.
970
971         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
972         hook definition.
973         * config/m32c/m32c.h: Likewise.
974         * config/pdp11/pdp11.h: Likewise.
975         * config/avr/avr.h: Likewise.
976         * config/xtensa/xtensa.h: Likewise.
977         * config/m68hc11/m68hc11.h: Likewise.
978         * config/mn10300/mn10300.h: Likewise.
979         * config/mcore/mcore.h: Likewise.
980         * config/h8300/h8300.h: Likewise.
981         * config/bfin/bfin.h: Likewise.
982
983         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
984         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
985
986 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
987
988         * double-int.h (tree_to_double_int): Remove macro.
989         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
990         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
991         (tree_to_double_int): New function.
992         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
993         Move ...
994         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
995
996 2010-05-03  Richard Guenther  <rguenther@suse.de>
997
998         PR tree-optimization/43971
999         * tree-ssa-structalias.c (get_constraint_for_1): Fix
1000         constraints in the !flag_delete_null_pointer_checks case.
1001
1002 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
1003
1004         PR debug/43972
1005         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1006         result mode matches original rtl mode.
1007
1008 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1009
1010         PR target/43888
1011         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1012
1013 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1014
1015         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1016         when processing flag options.
1017
1018 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1019
1020         * gcov-iov.c (main): Change format string placeholder
1021         from %#08x to 0x%08x.
1022         * genchecksum.c (dosum): Change format string placeholder
1023         from %#02x to 0x%02x.
1024
1025 2010-05-02  Richard Guenther  <rguenther@suse.de>
1026
1027         PR tree-optimization/43879
1028         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1029
1030 2010-05-02  Bruno Haible  <bruno@clisp.org>
1031
1032         * doc/extend.texi (Function Attributes): Fix a typo.
1033
1034 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1035
1036         Revert:
1037         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1038         placeholder from 0x%x to %#x.
1039         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1040         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1041         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1042         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1043         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1044         * config/i386/i386.c (ix86_target_string): Ditto.
1045         * config/i386/i386.c (output_pic_addr_const): Ditto.
1046         (print_operand): Ditto.
1047
1048 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1049
1050         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1051         placeholder from 0x%x to %#x.
1052         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1053         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1054         (ASM_OUTPUT_DEBUG_DATA): Ditto.
1055         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1056         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1057         * optc-gen.awk: Ditto.
1058         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1059         (HOST_WIDE_INT_PRINT_HEX): Ditto.
1060         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1061         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1062
1063 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1064
1065         * target.h (struct calls): Add function_value_regno_p field.
1066         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1067         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1068         * targhooks.c (default_function_value_regno_p): New function.
1069         * targhooks.h (default_function_value_regno_p): Declare function.
1070         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1071         * builtins.c. (apply_result_size): (Ditto.).
1072         * combine.c. (likely_spilled_retval_p): (Ditto.).
1073         * mode-switching.c. Include 'target.h'.
1074         (create_pre_exit): Use function_value_regno_p hook.
1075         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1076         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1077         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1078
1079         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1080         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1081         (ix86_function_value_regno_p): Declare as static, change argument
1082         type to const unsigned int.
1083         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1084
1085 2010-05-01  Richard Guenther  <rguenther@suse.de>
1086
1087         PR tree-optimization/43949
1088         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1089         types.
1090         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1091
1092 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1093
1094         * rtl.h (CONST_DOUBLE_P): Define.
1095         (rtx_to_double_int): Declare.
1096         * emit-rtl.c (rtx_to_double_int): New function.
1097         * dwarf2out.c (insert_double): New function.
1098         (loc_descriptor, add_const_value_attribute): Clean up, use
1099         rtx_to_double_int and insert_double functions.
1100
1101 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1102
1103         * doc/extend.texi (Inline): Add missing return keyword to examples.
1104         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1105         "command-line".
1106
1107 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1108
1109         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1110         the variable part of the offset as well.  Use highest_pow2_factor for
1111         all alignment checks.
1112
1113 2010-04-30  Richard Guenther  <rguenther@suse.de>
1114
1115         PR tree-optimization/43879
1116         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1117         can have pointers.
1118
1119 2010-04-30  Jan Hubicka  <jh@suse.cz>
1120
1121         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1122         varpool.
1123         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1124
1125 2010-04-30  Jan Hubicka  <jh@suse.cz>
1126
1127         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1128         New.
1129         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1130         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1131         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1132         cgraph_node_set_needs_ltrans_p): Remove.
1133
1134 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1135
1136         * sdbout.c: Include vec.h, do not include varray.h.
1137         (deferred_global_decls, sdbout_global_decl,
1138         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1139         * toplev.c: Do not include varray.h.
1140         (dump_memory_report): Do not dump VARRAY statistics.
1141         * gengtype.c (open_base_file): Ignore varray.h.
1142         * Makefile.in: Update for abovementioned changes.
1143         Remove all traces of varray.c and varray.h.
1144         * varray.c: Remove file.
1145         * varray.h: Remove file.
1146
1147 2010-04-30  Jan Hubicka  <jh@suse.cz>
1148
1149         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1150         references.
1151
1152 2010-04-30  Jan Hubicka  <jh@suse.cz>
1153
1154         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1155         needed.
1156
1157 2010-04-30  Richard Guenther  <rguenther@suse.de>
1158
1159         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1160         constraints for CONSTRUCTOR.
1161
1162 2010-04-30  Richard Guenther  <rguenther@suse.de>
1163
1164         PR lto/43946
1165         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1166         first after all lowering passes.
1167
1168 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1169
1170         * toplev.c: Include varray.h for statistics dumping.
1171         * tree.h: Do not declare varray_head_tag.
1172         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1173         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1174         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1175         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1176         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1177         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1178         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1179         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1180         include varray.h.
1181         * Makefile.in: Update for abovementioned changes.
1182
1183 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1184
1185         PR debug/43942
1186         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1187
1188 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1189
1190         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1191         Use this function to do machine-specific conversion.
1192         (picochip_legitimize_reload_address): Likewise.
1193         (picochip_legitimate_address_p): Check valid base register only if
1194         strict.
1195         (picochip_check_conditional_copy): Check for modw only if opnd is
1196         register.
1197         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1198         to call the function in c.
1199         * config/picochip/picochip-protos.h
1200         (picochip_legitimize_reload_address): Define.
1201         * config/picochip/picochip.md (supported_compare1): Define.
1202
1203 2010-04-30  Jan Hubicka  <jh@suse.cz>
1204
1205         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1206         (cgraph_global_info): Remove inlined.
1207         (LTO_cgraph_tag_names): Remove.
1208         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1209         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1210         simplify cgraph tags and document.
1211         (lto_output_node): Use only LTO_cgraph_unavail_node and
1212         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1213         for_functions_valid, global info, process and output flags.
1214         (input_overwrite_node): Initialize estimated stack size and
1215         estimated growth.  Do not read flags we no longer store.
1216         (input_node): Likewise do not read info no longer stored.
1217         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1218         flag.
1219
1220 2010-04-30  Richard Guenther  <rguenther@suse.de>
1221
1222         PR tree-optimization/43879
1223         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1224         handle non-zero initializers.
1225
1226 2010-04-30  Richard Guenther  <rguenther@suse.de>
1227
1228         * builtins.c (fold_builtin_1): Delete free (0).
1229
1230 2010-04-29  Jan Hubicka  <jh@suse.cz>
1231
1232         * gengtype.c (open_base_files): Add lto-streamer.h
1233         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1234         (pass_ipa_cp): GGC collect.
1235         * toplev. (compile_file): Do not output symbols.
1236         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1237         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1238         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1239         * lto-section-in.c: Include ggc.h
1240         (lto_new_in_decl_state): Alloc in GGC.
1241         (lto_delete_in_decl_state): Likewise.
1242         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1243         Collect.
1244
1245 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1246
1247         PR target/42895
1248         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1249         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1250         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1251         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1252         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1253         account only if HONOR_REG_ALLOC_ORDER is not defined.
1254         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1255         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1256
1257 2010-04-29  Jon Grant  <04@jguk.org>
1258
1259         * collect2.c (vflag): Change type from int to bool.
1260         (debug): Likewise.
1261         (helpflag): New global bool.
1262         (main): Set vflag and debug with boolean, not integer truth values.
1263         Accept new "--help" option and output usage text if found.
1264         * collect2.h (vflag): Update prototype.
1265         (debug): Likewise.
1266
1267 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1268
1269         PR bootstrap/43936
1270         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1271
1272 2010-04-29  Richard Guenther  <rguenther@suse.de>
1273
1274         PR bootstrap/43935
1275         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1276         with ATTRIBUTE_UNUSED.
1277
1278 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1279
1280         PR target/43921
1281         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1282         INSN_P with NONDEBUG_INSN_P.
1283         (distance_non_agu_define): Likewise.
1284         (distance_agu_use): Likewise.
1285
1286 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1287
1288         From Dominique d'Humieres <dominiq@lps.ens.fr>
1289         PR bootstrap/43858
1290         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1291         test_set.
1292
1293 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1294
1295         * plugin.h (invoke_plugin_callbacks): New inline function.
1296         * plugin.c (flag_plugin_added): New global flag.
1297         (add_new_plugin): Initialize above flag.
1298         (invoke_plugin_callbacks): Rename to ...
1299         (invoke_plugin_callbacks_full): ... this.
1300
1301 2010-04-28  Jan Hubicka  <jh@suse.cz>
1302
1303         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1304         (lto_varpool_replace_node): New.
1305         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1306         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1307         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1308         * cgraph.h (varpool_node_ptr): New type.
1309         (varpool_node_ptr): New vector.
1310         (varpool_node_set_def): New structure.
1311         (varpool_node_set): New type.
1312         (varpool_node_set): New vector.
1313         (varpool_node_set_element_def): New structure.
1314         (varpool_node_set_element, const_varpool_node_set_element): New types.
1315         (varpool_node_set_iterator): New type.
1316         (varpool_node): Add prev pointers, add used_from_other_partition,
1317         in_other_partition.
1318         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1319         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1320         varpool_get_node, varpool_remove_node): Declare.
1321         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1322         varpool_node_set_size): New inlines.
1323         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1324         * tree-pass.h (varpool_node_set_def): Forward declare.
1325         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1326         (ipa_write_optimization_summaries): Update prototype.
1327         * ipa-cp.c (ipcp_write_summary): Update.
1328         * ipa-reference.c (ipa_reference_write_summary): Update.
1329         * lto-cgraph.c (lto_output_varpool_node): New static function.
1330         (output_varpool): New function.
1331         (input_varpool_node): New static function.
1332         (input_varpool_1): New function.
1333         (input_cgraph): Input varpool.
1334         * ipa-pure-const.c (pure_const_write_summary): Update.
1335         * lto-streamer-out.c (lto_output): Update, output varpool too.
1336         (write_global_stream): Kill WPA hack.
1337         (produce_asm_for_decls): Update.
1338         (output_alias_pair_p): Handle variables.
1339         (output_unreferenced_globals): Output only needed partition of varpool.
1340         * ipa-inline.c (inline_write_summary): Update.
1341         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1342         cgraph.
1343         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1344         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1345         varpool_node_set_new, varpool_node_set_add,
1346         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1347         debug_varpool_node_set): New functions.
1348         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1349         (execute_one_pass): Process new decls too.
1350         (ipa_write_summaries_2): Pass around vsets.
1351         (ipa_write_summaries_1): Likewise.
1352         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1353         to add.
1354         (ipa_write_optimization_summaries_1): Pass around vsets.
1355         (ipa_write_optimization_summaries): Likewise.
1356         * varpool.c (varpool_get_node): New.
1357         (varpool_node): Update doubly linked lists.
1358         (varpool_remove_node): New.
1359         (dump_varpool_node): More dumping.
1360         (varpool_enqueue_needed_node): Update doubly linked lists.
1361         (decide_is_variable_needed): Kill ltrans hack.
1362         (varpool_finalize_decl): Kill lto hack.
1363         (varpool_assemble_decl): Skip decls in other partitions.
1364         (varpool_assemble_pending_decls): Update doubly linkes lists.
1365         (varpool_empty_needed_queue): Likewise.
1366         (varpool_extra_name_alias): Likewise.
1367         * lto-streamer.c (lto_get_section_name): Add vars section.
1368         * lto-streamer.h (lto_section_type): Update.
1369         (output_varpool, input_varpool): Declare.
1370
1371 2010-04-28  Mike Stump  <mikestump@comcast.net>
1372
1373         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1374
1375 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1376
1377         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1378         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1379         (lto_input_ts_type_tree_pointers): Likewise.
1380         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1381         (lto_output_ts_type_tree_pointers): Likewise.
1382
1383 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1384
1385         Uniquization of constants at the Tree level
1386         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1387         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1388         bit to the end.
1389         (tree_output_constant_def): Declare.
1390         * gimplify.c (gimplify_init_constructor): When using block copy, first
1391         uniquize the constant constructor on the RHS.
1392         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1393         DECL_IN_CONSTANT_POOL flag.
1394         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1395         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1396         constant pool.
1397         (assemble_variable): Deal with symbols belonging to the tree constant
1398         pool.
1399         (get_constant_section): Add ALIGN parameter and simplify.
1400         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1401         (assemble_constant_contents): Use the expression of the VAR_DECL.
1402         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1403         (tree_output_constant_def): New global function.
1404         (mark_constant): Use the expression of the VAR_DECL.
1405         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1406         its expression.
1407         (output_object_block): Likewise and assemble the expression.
1408
1409 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1410
1411         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1412         hash_tree, eq_tree): New tree hash table.
1413         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1414         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1415         lto_orig_address_remove): Reimplement.
1416
1417 2010-04-28  Xinliang David Li  <davidxl@google.com>
1418
1419         PR c/42643
1420         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1421         (compute_uninit_opnds_pos): New function.
1422         (is_non_loop_exit_postdominating): New function.
1423         (compute_control_dep_chain): New function.
1424         (find_pdom): New function.
1425         (convert_control_dep_chain_into_preds): New function.
1426         (find_predicates): New function.
1427         (find_control_equiv_block): New function.
1428         (collect_phi_def_edges): New function.
1429         (find_def_preds): New function.
1430         (find_dom): New function.
1431         (dump_predicates): New function.
1432         (get_cmp_code): New function.
1433         (is_value_included_in): New function.
1434         (find_matching_predicate_in_rest_chains): New function.
1435         (use_pred_not_overlap_with_undef_path_pred): New function.
1436         (is_use_properly_guarded): New function.
1437         (normalize_cond_1): New function.
1438         (is_and_or_or): New function.
1439         (normalize_cond): New function.
1440         (is_gcond_subset_of): New function.
1441         (is_subset_of_any): New function.
1442         (is_or_set_subset_of): New function.
1443         (is_and_set_subset_of): New function.
1444         (is_norm_cond_subset_of): New function.
1445         (is_pred_expr_subset_of): New function.
1446         (is_pred_chain_subset_of): New function.
1447         (is_included_in): New function.
1448         (is_superset_of): New function.
1449         (find_uninit_use): New function.
1450         (warn_uninitialized_phi): New function.
1451         (compute_possibly_undefined_names): New function.
1452         (ssa_undefined_value_p): New function.
1453         (execute_late_warn_uninitialized): New function.
1454         * tree-ssa.c (ssa_undefined_value_p): Removed.
1455         (warn_uninit): Changed to extern.
1456         (warn_uninitialized_phi): Removed.
1457         (warn_uninitialized_vars): Changed to extern.
1458         (execute_late_warn_uninitialized): Removed
1459         * tree-flow.h: Add new prototypes.
1460         * timevar.def: Add new time variable.
1461         * Makefile.in: Add new build file.
1462
1463 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1464
1465         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1466         type if available.
1467
1468 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1469
1470         PR target/22224
1471         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1472
1473 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1474
1475         * cgraph.h (struct cgraph_node): New field indirect_calls.
1476         (struct cgraph_indirect_call_info): New type.
1477         (struct cgraph_edge): Removed field indirect_call. New fields
1478         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1479         (cgraph_create_indirect_edge): Declare.
1480         (cgraph_make_edge_direct): Likewise.
1481         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1482         * ipa-prop.h (struct ipa_param_call_note): Removed.
1483         (struct ipa_node_params): Removed field param_calls.
1484         (ipa_create_all_structures_for_iinln): Declare.
1485         * cgraph.c: Described indirect edges and uids in initial comment.
1486         (cgraph_add_edge_to_call_site_hash): New function.
1487         (cgraph_edge): Search also among the indirect edges, use
1488         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1489         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1490         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1491         site hash.
1492         (initialize_inline_failed): Assign a reason to indirect edges.
1493         (cgraph_create_edge_1): New function.
1494         (cgraph_create_edge): Moved some functionality to
1495         cgraph_create_edge_1.
1496         (cgraph_create_indirect_edge): New function.
1497         (cgraph_edge_remove_callee): Add an assert checking for
1498         non-indirectness.
1499         (cgraph_edge_remove_caller): Special-case indirect edges.
1500         (cgraph_remove_edge): Likewise.
1501         (cgraph_set_edge_callee): New function.
1502         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1503         (cgraph_make_edge_direct): New function.
1504         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1505         the declaration of the call statement matches.
1506         (cgraph_node_remove_callees): Special-case indirect edges.
1507         (cgraph_clone_edge): Likewise.
1508         (cgraph_clone_node): Clone also the indirect edges.
1509         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1510         indirect_call, dump count of indirect_calls edges.
1511         * ipa-prop.c (iinlining_processed_edges): New variable.
1512         (ipa_note_param_call): Create indirect edges instead of
1513         creating notes.  New parameter node.
1514         (ipa_analyze_call_uses): New parameter node, pass it on to
1515         ipa_note_param_call.
1516         (ipa_analyze_stmt_uses): Likewise.
1517         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1518         (print_edge_addition_message): Work on edges rather than on notes.
1519         (update_call_notes_after_inlining): Likewise, renamed to
1520         update_indirect_edges_after_inlining.
1521         (ipa_create_all_structures_for_iinln): New function.
1522         (ipa_free_node_params_substructures): Do not free notes.
1523         (ipa_edge_duplication_hook): Propagate bits within
1524         iinlining_processed_edges bitmap.
1525         (ipa_node_duplication_hook): Do not duplicate notes.
1526         (free_all_ipa_structures_after_ipa_cp): Renamed to
1527         ipa_free_all_structures_after_ipa_cp.
1528         (free_all_ipa_structures_after_iinln): Renamed to
1529         ipa_free_all_structures_after_iinln.
1530         (ipa_write_param_call_note): Removed.
1531         (ipa_read_param_call_note): Removed.
1532         (ipa_write_indirect_edge_info): New function.
1533         (ipa_read_indirect_edge_info): Likewise.
1534         (ipa_write_node_info): Do not stream notes, do stream information
1535         in indirect edges.
1536         (ipa_read_node_info): Likewise.
1537         (lto_ipa_fixup_call_notes): Removed.
1538         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1539         * ipa-inline.c (pass_ipa_inline): Likewise.
1540         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1541         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1542         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1543         is_gimple_call.
1544         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1545         edges.
1546         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1547         (output_cgraph): Stream also indirect edges.
1548         (lto_output_edge): Added capability to stream indirect edges.
1549         (input_edge): Likewise.
1550         (input_cgraph_1): Likewise.
1551         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1552         of indirect edges.
1553
1554 2010-04-28  Richard Guenther  <rguenther@suse.de>
1555
1556         PR tree-optimization/43879
1557         PR tree-optimization/43909
1558         * tree-ssa-structalias.c (struct variable_info): Add
1559         only_restrict_pointers flag.
1560         (new_var_info): Initialize it.  Increment stats.total_vars here.
1561         (create_function_info_for): Do not increment stats.total_vars here.
1562         (get_function_part_constraint): Fix build with C++.
1563         (insert_into_field_list): Remove.
1564         (push_fields_onto_fieldstack): Properly merge fields.
1565         (create_variable_info_for): Split and simplify.
1566         (create_variable_info_for_1): New piece.
1567         (intra_create_variable_infos): Properly make restrict constraints
1568         from parameters.
1569
1570 2010-04-28  Richard Guenther  <rguenther@suse.de>
1571
1572         PR c++/43880
1573         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1574
1575 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1576             Jan Hubicka <hubicka@ucw.cz>
1577
1578         * doc/invoke.texi (-Wsuggest-attribute=const,
1579         -Wsuggest-attribute=pure): Document.
1580         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1581         (function_always_visible_to_compiler_p,
1582         suggest_attribute, warn_function_pure, warn_function_const):
1583         New functions.
1584         (check_call): Improve debug info.
1585         (analyze_function): Do not check availability.
1586         (add_new_function): Check availability.
1587         (propagate): Output warnings.
1588         (skip_function_for_local_pure_const): New function.
1589         (local_pure_const): Use it; output warnings.
1590         * common.opt (Wsuggest-attribute=const,
1591         Wsuggest-attribute=pure): New.
1592
1593 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1594
1595         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1596         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1597         or DW_CFA_def_cfa_offset{,_sf}.
1598
1599 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1600
1601         * tree.h: Fix truncated long macros.
1602
1603 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1604
1605         * collect2.c (TARGET_64BIT): Redefine to target's default.
1606         * tlink.c: Likewise.
1607         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1608         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1609         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1610         for underscoring __USER_LABEL_PREFIX__.
1611         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1612         (SUB_LINK_ENTRY32): New.
1613         (SUB_LINK_ENTRY64): New.
1614         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1615         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1616         (SUB_LINK_ENTRY64): New.
1617         (SUB_LINK_ENTRY): New.
1618         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1619         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1620         x64 target is choosen.
1621         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1622         * configure: Regenerated.
1623         * configure.ac (leading-mingw64-underscores): Option added.
1624
1625 2010-04-27  Jan Hubicka  <jh@suse.cz>
1626
1627         * doc/invoke.texi (-fipa-profile): Document.
1628         * opts.c (decode_options): Enable ipa-profile at -O1.
1629         * timevar.def (TV_IPA_PROFILE): Define.
1630         * common.opt (fipa-profile): Add.
1631         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1632         flag for clones.
1633         (cgraph_propagate_frequency): Handle only local ones.
1634         * tree-pass.h (pass_ipa_profile): Declare.
1635         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1636         (pass_ipa_profile): Use TV_IPA_PROFILE.
1637         * ipa.c (ipa_profile): New function.
1638         (gate_ipa_profile): Likewise.
1639         (pass_ipa_profile): New global variable.
1640         * passes.c (pass_ipa_profile): New.
1641
1642 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1643
1644         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1645
1646 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1647
1648         PR middle-end/43812
1649         * ipa.c (dissolve_same_comdat_group_list): New function.
1650         (function_and_variable_visibility): Call
1651         dissolve_same_comdat_group_list when comdat group contains external or
1652         newly local nodes.
1653         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1654         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1655
1656 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1657
1658         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1659         (const_hash_1) <VECTOR_CST>: New case.
1660         (compare_constant) <VECTOR_CST>: Likewise.
1661         <ADDR_EXPR>: Deal with LABEL_REFs.
1662         (copy_constant) <VECTOR_CST>: New case.
1663
1664 2010-04-27  Jan Hubicka  <jh@suse.cz>
1665
1666         * cgraph.c (cgraph_propagate_frequency): New function.
1667         * cgraph.h (cgraph_propagate_frequency): Declare.
1668         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1669         cgraph_propagate_frequency.
1670
1671 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1672
1673         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1674
1675 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1676
1677         PR target/40657
1678         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1679         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1680         here to determine which regs to push and how much stack to reserve.
1681
1682 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1683
1684         * doc/gimple.texi (gimple_statement_with_ops): Remove
1685         addresses_taken field.
1686         (gimple_statement_with_memory_ops): Likewise.
1687
1688 2010-04-27  Jan Hubicka  <jh@suse.cz>
1689
1690         * tree-inline.c (eni_inlining_weights): Remove.
1691         (estimate_num_insns): Special case more builtins.
1692
1693 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1694
1695         PR c/32207
1696         * c-typeck.c (build_binary_op): Move forward check for comparison
1697         pointer with null pointer constant and adjust the diagnostic message.
1698
1699 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1700
1701         PR lto/42776
1702         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1703         binutils supports extended .section directive needed by LTO, or
1704         warn if older binutils found.
1705         (LTO_BINARY_READER): New AC_SUBST'd variable.
1706         (LTO_USE_LIBELF): Likewise.
1707         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1708         variable.
1709         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1710         (LTO_USE_LIBELF): Likewise.
1711         * configure: Regenerate.
1712
1713         * collect2.c (is_elf): Rename from this ...
1714         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1715          object files in addition to ELF-formatted ones.
1716         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1717         symbol to be prefixed or not by an extra underscore.
1718
1719         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1720         * config/i386/winnt.c: Also #include lto-streamer.h
1721         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1722         LTO named sections.
1723         (i386_pe_asm_output_aligned_decl_common): Add comment.
1724         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1725
1726 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1727
1728         PR target/43889
1729         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1730         Add missing earlyclobber for second alternative.
1731
1732 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1733
1734         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1735         bits for artificial defs at the top of the block.
1736         * fwprop.c (single_def_use_enter_block): Don't call it.
1737
1738 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1739
1740         PR 43715
1741         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1742         instead of "$gcc_cv_objdump -T".
1743         Use "-undefined dynamic_lookup" on darwin.
1744         * gcc/configure: Regenerate.
1745
1746 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1747
1748         PR c/43893
1749         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1750
1751 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1752
1753         * c-parser.c (struct c_token): Move location field up.
1754         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1755         (struct c_declspecs): Convert typespec_word, storage_class, and
1756         default_int_p into bitfields.
1757         (struct c_declarator): Move loc field up.
1758
1759 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1760
1761         * cfgloop.h (struct loop): Move can_be_parallel field up.
1762         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1763         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1764         down.
1765         (struct iv_cand): Convert pos field into a bitfield.
1766         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1767         field up.
1768         (struct _stmt_vec_info): Shuffle fields for better packing.
1769
1770 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1771
1772         * varasm.c (IN_NAMED_SECTION): Remove guard.
1773         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1774         (IN_NAMED_SECTION_P): ...this.
1775         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1776         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1777
1778 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1779
1780         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1781         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1782         of shadowing it.  Fix comments.
1783
1784 2010-04-26  Jan Hubicka  <jh@suse.cz>
1785
1786         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1787         (cgraph_clone_node): Copy function frequency.
1788         * cgraph.h (node_frequency): New enum
1789         (struct cgraph_node): Add.
1790         * final.c (rest_of_clean_state): Update.
1791         * lto-cgraph.c (lto_output_node): Output node frequency.
1792         (input_overwrite_node): Input node frequency.
1793         * tre-ssa-loop-ivopts (computation_cost): Update.
1794         * lto-streamer-out.c (output_function): Do not output function
1795         frequency.
1796         * predict.c (maybe_hot_frequency_p): Update and handle functions
1797         executed once.
1798         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1799         attribute lookup.
1800         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1801         (compute_function_frequency): Set noreturn functions to be executed
1802         once.
1803         (choose_function_section): Update.
1804         * lto-streamer-in.c (input_function): Do not input function frequency.
1805         * function.c (allocate_struct_function): Do not initialize function
1806         frequency.
1807         * function.h (function_frequency): Remove.
1808         (struct function): Remove function frequency.
1809         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1810         (try_update): Update.
1811         * tree-inline.c (initialize_cfun): Do not update function frequency.
1812         * passes.c (pass_init_dump_file): Update.
1813         * i386.c (ix86_compute_frame_layout): Update.
1814         (ix86_pad_returns): Update.
1815
1816 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1817
1818         PR tree-optimization/43833
1819         * tree-vrp.c (range_int_cst_p): New.
1820         (range_int_cst_singleton_p): New.
1821         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1822         when both operands are constants.  Use range_int_cst_p in
1823         BIT_IOR_EXPR case.
1824
1825 2010-04-26  Jan Hubicka  <jh@suse.cz>
1826
1827         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1828
1829 2010-04-26  Richard Guenther  <rguenther@suse.de>
1830
1831         PR lto/43080
1832         * gimple.c (gimple_decl_printable_name): Deal gracefully
1833         with a NULL DECL_NAME.
1834
1835 2010-04-26  Richard Guenther  <rguenther@suse.de>
1836
1837         PR lto/42425
1838         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1839         if emitting debug information and it is either a function
1840         or a namespace decl.
1841
1842 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1843
1844         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1845         determine if the statement is vectorizable, and a macro to access it.
1846         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1847         Skip statements that can't be vectorized. If the analysis fails,
1848         mark the statement as unvectorizable if vectorizing basic block.
1849         (vect_compute_data_refs_alignment): Likewise.
1850         (vect_verify_datarefs_alignment): Skip statements marked as
1851         unvectorizable. Add print.
1852         (vect_analyze_group_access): Skip statements that can't be
1853         vectorized. If the analysis fails, mark the statement as
1854         unvectorizable if vectorizing basic block.
1855         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1856         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1857         generated stmts for SLP.
1858         (new_stmt_vec_info): Initialize the new field.
1859         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1860         statements marked as unvectorizable.
1861
1862 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1863
1864         * c-common.c (flag_isoc1x): New.
1865         (flag_isoc99): Update comment.
1866         * c-common.h (flag_isoc1x): New.
1867         (flag_isoc99): Update comment.
1868         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1869         __<type>_DECIMAL_DIG__.
1870         * c-opts.c (set_std_c1x): New.
1871         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1872         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1873         * c.opt (-std=c1x, -std=gnu1x): New options.
1874         * doc/cpp.texi: Mention -std=c1x.
1875         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1876         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1877         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1878         * doc/standards.texi: Mention C1X.
1879         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1880         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1881         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1882         Define for C1X.
1883
1884 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1885
1886         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1887         placeholder from 0x%x to %#x.
1888         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1889         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1890         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1891         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1892         * config/i386/i386.c (ix86_target_string): Ditto.
1893         (output_pic_addr_const): Ditto.
1894         (print_operand): Ditto.
1895
1896 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1897
1898         * combine.c (find_split_point): Add third argument.  Use it
1899         to find nested multiply-accumulate instructions.  Adjust calls.
1900         (try_combine): Adjust call to find_split_point.
1901
1902 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1903
1904         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1905
1906 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1907
1908         PR tree-optimization/41442
1909         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1910         (fold_binary_loc): Call it.
1911
1912 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1913
1914         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1915         * opts.c (common_handle_option): Allow disabling it.
1916         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1917
1918 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1919
1920         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1921         between modes if both types are integral.
1922
1923 2010-04-23  Richard Guenther  <rguenther@suse.de>
1924
1925         PR tree-optimization/43572
1926         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1927
1928 2010-04-23  Richard Guenther  <rguenther@suse.de>
1929
1930         PR lto/43455
1931         * tree-inline.c (tree_can_inline_p): Also check compatibility
1932         of return types.
1933
1934 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1935
1936         PR tree-optimization/43846
1937         * tree-sra.c (struct access): New flag grp_assignment_read.
1938         (build_accesses_from_assign): Set grp_assignment_read.
1939         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1940         (enum mark_read_status): New type.
1941         (analyze_access_subtree): Propagate grp_assignment_read, create
1942         accesses also if both direct_read and root->grp_assignment_read.
1943
1944 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1945
1946         PR middle-end/43835
1947         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1948         function does not have type attributes.
1949
1950 2010-04-23  Richard Guenther  <rguenther@suse.de>
1951
1952         PR lto/42653
1953         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1954         of FUNCTION_DECLs.
1955
1956 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1957
1958         * sese.h (create_if_region_on_edge): Remove.
1959
1960         * sese.c (create_if_region_on_edge): Make static.
1961
1962         * tree-inline.c: Do not include ggc.h.
1963
1964         * expr.c: Do not include ggc.h.
1965
1966         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1967         dependencies.
1968
1969 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1970
1971         PR target/43744
1972         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1973         in the middle of insns for casesi_worker_2.
1974
1975 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1976
1977         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1978
1979 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1980
1981         PR tree-optimization/43842
1982         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1983         loop unrolling in update of exit phis. Fix comment.
1984         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1985         least two reduction statements in the loop before starting SLP
1986         analysis.
1987
1988 2010-04-22  Nick Clifton  <nickc@redhat.com>
1989
1990         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1991
1992 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1993
1994         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1995         to simplify a + ~a.
1996
1997 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1998
1999         * tree-parloops.c (loop_parallel_p): New argument
2000         parloop_obstack.  Pass it down.
2001         (parallelize_loops): New variable parloop_obstack.  Initialize it,
2002         pass it down, free it.
2003
2004         * tree-loop-linear.c (linear_transform_loops): Pass down
2005         lambda_obstack.
2006
2007         * tree-data-ref.h (lambda_compute_access_matrices): New argument
2008         of type struct obstack *.
2009
2010         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2011         scratch_obstack.  Initialize it, pass down, free it.
2012
2013         * lambda.h (lambda_loop_new): Remove.
2014         (lambda_matrix_new, lambda_matrix_inverse)
2015         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2016         argument of type struct obstack *.
2017
2018         * lambda-trans.c (lambda_trans_matrix_new): New argument
2019         lambda_obstack.  Pass it down, use obstack allocation for ret.
2020         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
2021         it down.
2022
2023         * lambda-mat.c (lambda_matrix_get_column)
2024         (lambda_matrix_project_to_null): Remove.
2025         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
2026         allocation for mat.
2027         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2028         lambda_obstack.
2029
2030         * lambda-code.c (lambda_loop_new): New function.
2031         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2032         (lambda_compute_auxillary_space, lambda_compute_target_space)
2033         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2034         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2035         (build_access_matrix): New argument lambda_obstack.  Use obstack
2036         allocation for am.
2037         (lambda_compute_step_signs, lambda_compute_access_matrices): New
2038         argument lambda_obstack.  Pass it down.
2039
2040 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2041
2042         * optabs.h (expand_widening_mult): Declare.
2043
2044 2010-04-22  Richard Guenther  <rguenther@suse.de>
2045
2046         PR tree-optimization/43845
2047         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2048         lookup the CALL_EXPR function and arguments.
2049
2050 2010-04-22  Nick Clifton  <nickc@redhat.com>
2051
2052         * config/stormy16/stormy16.c
2053         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2054         * config/stormy16/stormy16.h: Tidy up formatting.
2055         (DONT_USE_BUILTIN_SETJMP): Remove definition.
2056         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2057         (ineqbranchsi): Delete pattern.
2058         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2059         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2060         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2061         stormy16-lib2-ucmpsi2.c.
2062
2063 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2064
2065         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2066         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2067         extra set merge_set_noclobber, and use it to relax the final test
2068         slightly.
2069         * df.h (df_simulate_find_noclobber_defs): Declare.
2070         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2071         conditional defs.
2072         (df_simulate_find_noclobber_defs): New function.
2073
2074 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2075
2076         * config/i386/i386.md: Use {} around multi-line preparation statements.
2077
2078 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2079
2080         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2081         (process_init_element): New argument of type struct obstack *.
2082
2083         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2084         (set_init_index, set_init_label, set_nonincremental_init)
2085         (set_nonincremental_init_from_string, find_init_member)
2086         (output_init_element, output_pending_init_elements)
2087         (process_init_element): New argument braced_init_obstack.  Pass it
2088         down.
2089         (push_range_stack, add_pending_init): New argument
2090         braced_init_obstack.  Use obstack allocation.
2091
2092         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2093         braced_init_obstack.  Pass it down.
2094         (c_parser_braced_init): New variables ret, braced_init_obstack.
2095         Initialize obstack, pass it down and finally free it.
2096
2097 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2098
2099         PR middle-end/29274
2100         * tree-pass.h (pass_optimize_widening_mul): Declare.
2101         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2102         gate_optimize_widening_mul): New static functions.
2103         (pass_optimize_widening_mul): New.
2104         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2105         <case MULT_EXPR>: Remove support for widening multiplies.
2106         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2107         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2108         simplify_gen_unary rather than directly building extensions.
2109         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2110         WIDEN_MULT_EXPR.
2111         * expmed.c (expand_widening_mult): New function.
2112         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2113
2114 2010-04-21  Jan Hubicka  <jh@suse.cz>
2115
2116         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2117         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2118         * lto-wpa-fixup.c: Remove.
2119         * Makefile.in (lto-wpa-fixup.o): Remove.
2120         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2121         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2122         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2123
2124 2010-04-21  Jan Hubicka  <jh@suse.cz>
2125
2126         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2127         add write_optimization_summary, read_optimization_summary.
2128         (ipa_write_summaries_of_cgraph_node_set): Remove.
2129         (ipa_write_optimization_summaries): Declare.
2130         (ipa_read_optimization_summaries): Declare.
2131         * ipa-cp.c (pass_ipa_cp): Update.
2132         * ipa-reference.c (pass_ipa_reference): Update.
2133         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2134         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2135         Update.
2136         * ipa-inline.c (pass_ipa_inline): Update.
2137         * ipa.c (pass_ipa_whole_program): Update.
2138         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2139         * passes.c (ipa_write_summaries_1): Do not test wpa.
2140         (ipa_write_optimization_summaries_1): New.
2141         (ipa_write_optimization_summaries): New.
2142         (ipa_read_summaries): Do not test ltrans.
2143         (ipa_read_optimization_summaries_1): New.
2144         (ipa_read_optimization_summaries): New.
2145
2146 2010-04-21  Jan Hubicka  <jh@suse.cz>
2147
2148         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2149         for boundary nodes.
2150         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2151
2152 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2153
2154         PR debug/40040
2155         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2156         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2157
2158 2010-04-21  Jan Hubicka  <jh@suse.cz>
2159
2160         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2161
2162 2010-04-21  Jan Hubicka  <jh@suse.cz>
2163
2164         * varpool.c (decide_is_variable_needed): Variable is always needed
2165         during ltrans.
2166
2167 2010-04-21  Jan Hubicka  <jh@suse.cz>
2168
2169         * opts.c (decode_options): Enable pure-const pass for whopr.
2170
2171 2010-04-21  Jan Hubicka  <jh@suse.cz>
2172
2173         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2174         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2175         at WPA dumping.
2176         (cgraph_decide_inlining): Do not expect callee to be removed in all
2177         cases.
2178
2179 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2180
2181         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2182
2183 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2184
2185         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2186         amdfam10_decode attributes.
2187
2188 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2189
2190         PR middle-end/43570
2191         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2192         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2193         (lower_copyprivate_clauses): Use private var in outer
2194         context instead of original var.  Make sure the types
2195         are correct for VLAs.
2196
2197 2010-04-21  Richard Guenther  <rguenther@suse.de>
2198
2199         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2200         to non-pointer objects.
2201
2202 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2203
2204         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2205         last chain entry if it starts with the still current label.
2206         (add_location_or_const_value_attribute): Check that
2207         loc_list->first->next is NULL instead of comparing ->first with ->last.
2208         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2209         to add_var_loc_to_decl.
2210
2211         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2212         >= 4 add also address size and segment size fields into CIE header.
2213
2214         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2215         long as address size is the same as sizeof (void *) and
2216         segment size is 0.
2217         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2218         address size or segment size is unexpected, return DW_EH_PE_omit.
2219         (classify_object_over_fdes): If get_cie_encoding returned
2220         DW_EH_PE_omit, return -1.
2221         (init_object): If classify_object_over_fdes returned -1,
2222         pretend there were no FDEs at all.
2223
2224 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2225
2226         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2227         bswap{si,di}2 using SWI48 mode iterator.
2228         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2229         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2230         set modrm attribute of bswap insn to 0 and remove length attribute.
2231         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2232         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2233         set mode attribute to <MODE> and remove length attribute.
2234
2235 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2236
2237         PR rtl-optimization/43520
2238         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2239         zero available registers.
2240
2241 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2242
2243         * builtins.c (fold_builtin_cproj): Fold more cases.
2244
2245 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2246
2247         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2248         (fold_builtin_1): Fold builtin cproj.
2249         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2250         Use ATTR_CONST_NOTHROW_LIST.
2251
2252 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2253
2254         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2255         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2256         ffsi2_no_cmove for !TARGET_CMOVE.
2257         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2258         (ffssi2): Remove expander.
2259         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2260         mode iterator.
2261         (ctz<mode>2): Ditto from ctz{si,di}2.
2262         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2263         mode iterator.
2264         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2265         mode iterator.
2266
2267 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2268
2269         * dwarf2out.c (AT_linkage_name): Define.
2270         (clone_as_declaration): Handle DW_AT_linkage_name.
2271         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2272         of DW_AT_MIPS_linkage_name.
2273         (move_linkage_attr): Likewise.
2274         (dwarf2out_finish): Likewise.
2275
2276 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2277
2278         PR middle-end/41952
2279         * fold-const.c (fold_comparison): New folding rule.
2280
2281 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2282
2283         * double-int.h (double_int_setbit): Declare.
2284         * double-int.c (double_int_setbit): New function.
2285         * rtl.h (immed_double_int_const): Declare.
2286         * emit-rtl.c (immed_double_int_const): New function.
2287         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2288         and immed_double_int_const functions.
2289         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2290         expand_copysign_bit):  (Ditto.).
2291         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2292         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2293         * dojump.c (prefer_and_bit_test): (Ditto.).
2294         * expr.c (convert_modes, reduce_to_bit_field_precision,
2295         const_vector_from_tree): (Ditto.).
2296         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2297
2298 2010-04-20  Jan Hubicka  <jh@suse.cz>
2299
2300         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2301         (dump_cgraph_node): Dump new flags.
2302         * cgraph.h (struct cgraph_node): Add flags
2303         reachable_from_other_partition and in_other_partition.
2304         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2305         other partition can not be removed.
2306         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2307         the other partition must be output; silence sanity checking on
2308         leaking functions bodies from other paritition.
2309         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2310         (lto_output_node): Output new flags; do not sanity check that inline
2311         clones are output; drop lto_forced_extern_inline_p code; do not mock
2312         visibility flags at partition boundaries.
2313         (add_node_to): New function.
2314         (output_cgraph): Use it to sort functions so masters appear before
2315         clones.
2316         (input_overwrite_node): Input new flags.
2317         * passes.c (ipa_write_summaries): Do not call
2318         lto_new_extern_inline_states.
2319         * lto-section-out.c (forced_extern_inline,
2320         lto_new_extern_inline_states lto_delete_extern_inline_states,
2321         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2322         * lto-streamer.h (lto_new_extern_inline_states,
2323         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2324         lto_forced_extern_inline_p): Kill.
2325
2326 2010-04-20  Richard Guenther  <rguenther@suse.de>
2327
2328         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2329         from vars that can have pointers.
2330         (process_constraint): Dump useless constraints.
2331
2332 2010-04-20  Richard Guenther  <rguenther@suse.de>
2333
2334         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2335         (dump_sa_points_to_info): Remove asserts.
2336         (init_base_vars): nothing_id isn't an escape point nor does it
2337         have pointers.
2338
2339 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2340
2341         * tree.h (TYPE_REF_IS_RVALUE): Define.
2342         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2343         should_move_die_to_comdat, prune_unused_types_walk): Handle
2344         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2345         (modified_type_die, gen_reference_type_die): Emit
2346         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2347         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2348
2349 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2350
2351         PR target/43635
2352         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2353         calls for -fpic -m31 if they have been sibcall optimized.
2354
2355 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2356
2357         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2358         ar.lc fixed and call-used.
2359
2360         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2361
2362 2010-04-19  Jan Hubicka  <jh@suse.cz>
2363
2364         * opts.c (decode_options): Disable whpr incompatible passes.
2365         * lto/lto.c (lto_1_to_1_map): Skip clones.
2366         (read_cgraph_and_symbols): Do not mark everything as needed.
2367         (do_whole_program_analysis): Do map only after optimizing;
2368         set proper cgraph_state; use passmanager.
2369
2370 2010-04-19  DJ Delorie  <dj@redhat.com>
2371
2372         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2373         POINTER_PLUS_EXPR and fix them.
2374
2375 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2376
2377         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2378         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2379         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2380         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2381         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2382         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2383         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2384         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2385         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2386         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2387         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2388
2389 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2390
2391         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2392         (check_cond_move_block): Likewise.
2393         (cond_move_process_if_block): Likewise.
2394         (noce_find_if_block): Improve formatting.
2395         (find_if_header): Pass 0 to memset and tweak conditions.
2396         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2397
2398 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2399
2400         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2401         for -gdwarf-4.
2402
2403         PR middle-end/43337
2404         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2405         with non-local decl doesn't need chain.
2406
2407 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2408
2409         * ira-color.c (allocno_reload_assign): Avoid accumulating
2410         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2411
2412 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2413
2414         * gimple.h (create_tmp_reg): Declare.
2415         * gimplify.c (create_tmp_reg): New function.
2416         (gimplify_return_expr): Use create_tmp_reg.
2417         (gimplify_omp_atomic): Likewise.
2418         (gimple_regimplify_operands): Likewise.
2419         * tree-dfa.c (make_rename_temp): Likewise.
2420         * tree-predcom.c (predcom_tmp_var): Likewise.
2421         (reassociate_to_the_same_stmt): Likewise.
2422         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2423         (get_replaced_param_substitute): Likewise.
2424         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2425         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2426         * tree-ssa-pre.c (get_representative_for): Likewise.
2427         (create_expression_by_pieces): Likewise.
2428         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2429         (create_tailcall_accumulator): Likewise.
2430
2431 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2432
2433         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2434         new_stmt.
2435         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2436
2437 2010-04-19  Richard Guenther  <rguenther@suse.de>
2438
2439         PR tree-optimization/43796
2440         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2441         from SCEV in the lattice.
2442         (vrp_visit_phi_node): Dump change.
2443
2444 2010-04-19  Richard Guenther  <rguenther@suse.de>
2445
2446         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2447         * configure: Re-generated.
2448
2449 2010-04-19  Richard Guenther  <rguenther@suse.de>
2450
2451         PR tree-optimization/43783
2452         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2453         constant ARRAY_REF operands two and three if possible.
2454
2455 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2456
2457         PR target/43766
2458         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2459
2460 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2461
2462         PR target/43662
2463         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2464
2465 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2466
2467         PR tree-optimization/37027
2468         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2469         and macro to access it.
2470         (vectorizable_reduction): Add argument.
2471         (vect_get_slp_defs): Likewise.
2472         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2473         statements for possible use in SLP.
2474         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2475         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2476         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2477         add new argument.
2478         (vectorizable_reduction): Likewise.
2479         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2480         vect_get_slp_defs.
2481         (vectorizable_type_demotion, vectorizable_type_promotion,
2482         vectorizable_store): Likewise.
2483         (vect_analyze_stmt): Update call to vectorizable_reduction.
2484         (vect_transform_stmt): Likewise.
2485         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2486         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2487         from different interleaving chains in same node.
2488         (vect_slp_rearrange_stmts): New function.
2489         (vect_supported_load_permutation_p): Allow load permutations for
2490         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2491         inside SLP nodes if necessary.
2492         (vect_analyze_slp_instance): Handle reductions.
2493         (vect_analyze_slp): Try to build SLP instances originating from groups
2494         of reductions.
2495         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2496         (vect_get_constant_vectors): Create initial vectors for reductions
2497         according to reduction code. Add new argument.
2498         (vect_get_slp_defs): Add new argument, pass it to
2499         vect_get_constant_vectors.
2500         (vect_schedule_slp_instance): Remove SLP tree root statements.
2501
2502 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2503
2504         * tree.h (ENUM_IS_SCOPED): Define.
2505         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2506         for ENUM_IS_SCOPED enums.
2507
2508 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2509
2510         * fold-const.c (fold_comparison): Use ssizetype.
2511         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2512         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2513         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2514         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2515
2516         * tree.h (initialize_sizetypes): Remove parameter.
2517         (build_common_tree_nodes): Remove second parameter.
2518         * stor-layout.c (initialize_sizetypes): Remove parameter.
2519         Always create an unsigned type.
2520         (set_sizetype): Assert that the passed type is unsigned and simplify.
2521         * tree.c (build_common_tree_nodes): Remove second parameter.
2522         Adjust call to initialize_sizetypes.
2523         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2524         build_common_tree_nodes.
2525
2526 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2527
2528         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2529
2530 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2531
2532         PR tree-optimization/43771
2533         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2534         load permutation doesn't have gaps.
2535
2536 2010-04-18  Jan Hubicka  <jh@suse.cz>
2537
2538         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2539         (sse_prologue_save_insn expander): Use new pattern.
2540         (sse_prologue_save_insn1): New pattern and splitter.
2541         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2542         blocks.
2543         * i386.c (setup_incoming_varargs_64): Do not compute jump
2544         destination here.
2545         (ix86_gimplify_va_arg): Update alignment needed.
2546         (ix86_local_alignment): Do not align all local arrays to 128bit.
2547
2548 2010-04-17  Jan Hubicka  <jh@suse.cz>
2549
2550         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2551
2552 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2553
2554         * arm.md (negdi2): Remove redundant code to force values into a
2555         register.
2556
2557 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2558
2559         * arm/bpabi.S: Add EABI alignment attributes to objects.
2560         * arm/bpabi-v6m.S: Likewise.
2561         * arm/crti.asm: Likewise.
2562         * arm/crtn.asm: Likewise.
2563         * arm/lib1funcs.asm: Likewise.
2564         * arm/libunwind.S: Likewise.
2565
2566 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2567
2568         * arm-protos.h (tune_params): New structure.
2569         * arm.c (current_tune): New variable.
2570         (arm_constant_limit): Delete.
2571         (struct processors): Add pointer to the tune parameters.
2572         (arm_slowmul_tune): New tuning option.
2573         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2574         (all_cores): Adjust to pick up the tuning model.
2575         (arm_constant_limit): New function.
2576         (arm_override_options): Select the appropriate tuning model.  Delete
2577         initialization of arm_const_limit.
2578         (arm_split_constant): Use the new constant-limit model.
2579         (arm_rtx_costs): Pick up the current tuning model.
2580         * arm.md (is_strongarm, is_xscale): Delete.
2581         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2582         for Xscale variant architectures.
2583         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2584
2585 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2586
2587         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2588         can_shift.
2589         (arm_rtx_costs_1): Remove unused variable extra_cost.
2590         (arm_unwind_emit_set): Use variable offset.
2591         (thumb1_output_casesi): Remove unused variable flags.
2592
2593 2010-04-16  Jeff Law  <law@redhat.com>
2594
2595         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2596         needing assignment rather than doing a two-phase assignment.  Remove
2597         unused variable 'm'.
2598
2599 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2600
2601         PR bootstrap/43767
2602         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2603
2604 2010-04-16  Doug Kwan  <dougkwan@google.com>
2605
2606         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2607         (next_operand_entry_id): New static variable.
2608         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2609         (add_to_ops_vec): Assigned unique ID to operand entry.
2610         (struct oecount_s): New field ID.
2611         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2612         (undistribute_ops_list): Assign unique IDs to oecounts.
2613         (init_reassoc): reset next_operand_entry_id.
2614
2615 2010-04-16  Doug Kwan  <dougkwan@google.com>
2616
2617         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2618         missing left parenthesis.
2619
2620 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2621
2622         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2623         *btdi_rex64 using SWI48 mode iterator.
2624         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2625         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2626         *jcc_btdi_mask_rex64.
2627
2628 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2629
2630         * double-int.h (tree_to_double_int): Convert to macro.
2631         * double-int.c (tree_to_double_int): Remove.
2632
2633 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2634
2635         PR debug/43762
2636         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2637         with want_address 2 and in case a single element list might be
2638         possible, call it again with want_address 0.
2639
2640 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2641
2642         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2643         case 'W' print operands for HI mode.
2644         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2645         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2646         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2647         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2648
2649         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2650
2651         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2652         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2653         #xx:3 and #xx:4 mode.
2654
2655         * config/h8300/h8300.md (inverted load with HImode dest): Add
2656         support for H8300SX.
2657
2658         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2659         satisfy 'U' constraint.
2660
2661 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2662
2663         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2664         * configure: Regenerate.
2665         * config.in: Regenerate.
2666         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2667         works.
2668
2669 2010-04-16  Richard Guenther  <rguenther@suse.de>
2670
2671         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2672         (struct tree_decl_common): ... here.
2673         (DECL_PT_UID): Adjust.
2674         (SET_DECL_PT_UID): Likewise.
2675         (DECL_PT_UID_SET_P): Likewise.
2676
2677 2010-04-16  Richard Guenther  <rguenther@suse.de>
2678
2679         PR tree-optimization/43572
2680         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2681         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2682         * tree-flow.h (is_call_clobbered): Remove.
2683         * tree-flow-inline.h (is_call_clobbered): Likewise.
2684         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2685         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2686         (execute_return_slot_opt): Adjust.
2687         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2688         check for call clobbered vars here.
2689         (find_tail_calls): Move tailcall verification to the
2690         proper place.
2691
2692 2010-04-16  Diego Novillo  <dnovillo@google.com>
2693
2694         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2695
2696 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2697
2698         PR target/40603
2699         * config/arm/arm.md (cbranchqi4): New pattern.
2700         * config/arm/predicates.md (const0_operand,
2701         cbranchqi4_comparison_operator): New predicates.
2702
2703 2010-04-16  Richard Guenther  <rguenther@suse.de>
2704
2705         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2706         (dump_gimple_stmt): Likewise.
2707
2708 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2709
2710         * recog.h (struct recog_data): New field is_operator.
2711         (struct insn_operand_data): New field is_operator.
2712         * recog.c (extract_insn): Set recog_data.is_operator.
2713         * genoutput.c (output_operand_data): Emit code to set the
2714         is_operator field.
2715         * reload.c (find_reloads): Use it rather than testing for an
2716         empty constraint string.
2717
2718         PR target/41514
2719         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2720         If the previous insn is a cbranchsi4_insn with the same arguments,
2721         omit the compare instruction.
2722
2723         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2724         register, inputs must be low registers and we need a low register
2725         scratch.  Handle alternative 2 like alternative 3.
2726
2727 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2728
2729         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2730         don't call get_addr on both.  If one expression is a VALUE and
2731         the other a REG, check VALUE's locs if the REG isn't among them.
2732
2733 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2734
2735         * config/sh/sh.h (sh_frame_pointer_required): New function.
2736         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2737         (flag_omit_frame_pointer) Set.
2738         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2739         (rounded_frame_size): Adjust size with outgoing_args_size.
2740         (sh_set_return_address): Must return from stack pointer.
2741         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2742         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2743         (ACCUMULATE_OUTGOING_ARGS): Define.
2744         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2745         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2746
2747 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2748
2749         PR target/43471
2750         * config/sh/sh.c (sh_legitimize_reload_address): Use
2751         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2752         Remove a unneeded check for offset_base.
2753
2754 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2755
2756         * configure: Regenerated.
2757
2758 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2759
2760         * config/s390/s390.c (s390_call_save_register_used): Switch back
2761         to HARD_REGNO_NREGS.
2762
2763 2010-04-15  Richard Guenther  <rguenther@suse.de>
2764
2765         * alias.c (alias_set_subset_of): Handle alias-set zero
2766         child properly.
2767
2768 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2769             Julian Brown  <julian@codesourcery.com>
2770
2771         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2772         alternatives according to use of high and low regs.
2773         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2774         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2775         optimizing for size on Thumb-2.
2776
2777 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2778
2779         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2780
2781 2010-04-15  Richard Guenther  <rguenther@suse.de>
2782
2783         * tree-ssa-structalias.c (struct variable_info): Add
2784         is_fn_info flag.
2785         (new_var_info): Initialize it.
2786         (dump_constraints): Support printing last added constraints.
2787         (debug_constraints): Adjust.
2788         (dump_constraint_graph): Likewise.
2789         (make_heapvar_for): Check for NULL cfun.
2790         (get_function_part_constraint): New function.
2791         (get_fi_for_callee): Likewise.
2792         (find_func_aliases): Properly implement IPA PTA constraints.
2793         (process_ipa_clobber): New function.
2794         (find_func_clobbers): Likewise.
2795         (insert_into_field_list_sorted): Remove.
2796         (create_function_info_for): Properly allocate vars for IPA mode.
2797         Do not use insert_into_field_list_sorted.
2798         (create_variable_info_for): Properly generate constraints for
2799         global vars in IPA mode.
2800         (dump_solution_for_var): Always dump the solution.
2801         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2802         (find_what_var_points_to): Adjust.
2803         (pt_solution_set): Change.
2804         (pt_solution_ior_into): New function.
2805         (pt_solution_empty_p): Export.
2806         (pt_solution_includes_global): Adjust.
2807         (pt_solution_includes_1): Likewise.
2808         (pt_solutions_intersect_1): Likewise.
2809         (dump_sa_points_to_info): Check some invariants.
2810         (solve_constraints): Move constraint dumping ...
2811         (compute_points_to_sets): ... here.
2812         (ipa_pta_execute): ... and here.
2813         (compute_may_aliases): Do not re-compute points-to info
2814         locally if IPA info is available.
2815         (ipa_escaped_pt): New global var.
2816         (ipa_pta_execute): Properly implement IPA PTA.
2817         * tree-into-ssa.c (dump_decl_set): Support dumping
2818         decls not in referenced-vars.
2819         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2820         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2821         (dump_points_to_solution): Likewise.
2822         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2823         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2824         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2825         (copy_decl_to_var): Copy DECL_PT_UID.
2826         (copy_result_decl_to_var): Likewise.
2827         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2828         (copy_node_stat): Copy it.
2829         * tree.h (DECL_PT_UID): New macro.
2830         (SET_DECL_PT_UID): Likewise.
2831         (DECL_PT_UID_SET_P): Likewise.
2832         (struct tree_decl_minimal): Add pt_uid member.
2833         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2834         (pt_solution_empty_p): Declare.
2835         (pt_solution_set): Adjust.
2836         (ipa_escaped_pt): Declare.
2837         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2838         * gimple-pretty-print.c (pp_points_to_solution): New function.
2839         (dump_gimple_call): Dump call clobber/use information.
2840         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2841         * tree-pass.h (TDF_ALIAS): New dump option.
2842         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2843         * doc/invoke.texi (-fipa-pta): Update documentation.
2844
2845 2010-04-15  Richard Guenther  <rguenther@suse.de>
2846
2847         * Makefile.in (OBJS-common): Add gimple-fold.o.
2848         (gimple-fold.o): New rule.
2849         * tree.h (maybe_fold_offset_to_reference,
2850         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2851         prototypes ...
2852         * gimple.h: ... here.
2853         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2854         may_propagate_address_into_dereference): Move prototypes ...
2855         * gimple.h: ... here.
2856         * tree-ssa-ccp.c (get_symbol_constant_value,
2857         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2858         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2859         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2860         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2861         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2862         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2863         gimplify_and_update_call_from_tree): Move ...
2864         * gimple-fold.c: ... here.  New file.
2865         (ccp_fold_builtin): Rename to ...
2866         (gimple_fold_builtin): ... this.
2867         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2868
2869 2010-04-15  Richard Guenther  <rguenther@suse.de>
2870
2871         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2872         fit_double_type, force_fit_type_double, add_double_with_sign,
2873         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2874         lrotate_double, rrotate_double, div_and_round_double): Move ...
2875         * double-int.c: ... here.
2876         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2877         add_double, neg_double, mul_double_with_sign, mul_double,
2878         lshift_double, rshift_double, lrotate_double, rrotate_double,
2879         div_and_round_double): Move prototypes ...
2880         * double-int.h: ... here.
2881
2882 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2883
2884         PR target/43742
2885         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2886         matching constraints to ensure inputs match the output.
2887
2888 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2889
2890         PR target/43742
2891         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2892         in an input-only operand.
2893
2894 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2895
2896         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2897         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2898         (double_int_negative_p): Convert to static inline function.
2899         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2900         (double_int_negative_p): Remove.
2901         * tree.h (lshift_double, rshift_double):
2902         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2903         * fold-const.c (fold_convert_const_int_from_real,
2904         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2905         (lshift_double): Change type of arith argument to bool.
2906         (rshift_double): Change type of arith argument to bool. Correct
2907         comment.
2908         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2909
2910 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2911
2912         PR target/21803
2913         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2914         at the start and end of the then/else blocks, and omit them from the
2915         conversion.
2916         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2917         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2918         (flow_find_head_matching_sequence): New function.
2919         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2920         * basic-block.h (flow_find_cross_jump,
2921         flow_find_head_matching_sequence): Declare functions.
2922
2923 2010-04-14  Jason Merrill  <jason@redhat.com>
2924
2925         PR c++/36625
2926         * c-common.c (attribute_takes_identifier_p): New fn.
2927         * c-common.h: Declare it.
2928
2929 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2930
2931         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2932         splitter condition.
2933         (*udivmod<mode>4): Ditto.
2934
2935 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2936
2937         * config/i386/i386.md (maxmin_int): Rename code attribute from
2938         maxminiprefix and update all users.
2939         (maxmin_float): Ditto from maxminfprefix.
2940         (logic): Ditto from logicprefix.
2941         (absneg_mnemonic): Ditto from absnegprefix.
2942         * config/i386/mmx.md: Update all users of maxminiprefix,
2943         maxminfprefix and logicprefix for rename.
2944         * config/i386/sse.md: Ditto.
2945         * config/i386/sync.md (sync_<code><mode>): Update for
2946         logicprefix rename.
2947
2948 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2949
2950         PR 42966
2951         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2952         warnings converted to errors.
2953
2954 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2955
2956         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2957         used insn_type variable.
2958         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2959         to avoid set-but-not-used warning.
2960
2961 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2962
2963         * df-core.c (df_ref_debug): Change format string placeholder
2964         from 0x%x to %#x.
2965         * dwarf2asm.c (dw2_asm_output_data_raw,
2966         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2967         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2968         * dwarf2out.c (output_cfi, output_cfi_directive,
2969         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2970         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2971         Ditto.
2972         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2973         * print-rtl.c (print_rtx): Ditto.
2974
2975 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2976
2977         PR middle-end/42694
2978         * builtins.c (expand_builtin_pow_root): New function to expand pow
2979         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2980         series of sqrt and cbrt calls under -ffast-math.
2981         (expand_builtin_pow): Call it.
2982
2983 2010-04-14  Michael Matz  <matz@suse.de>
2984
2985         PR tree-optimization/42963
2986         * tree-cfg.c (touched_switch_bbs): New static variable.
2987         (group_case_labels_stmt): New function broken out from ...
2988         (group_case_labels): ... here, use the above.
2989         (start_recording_case_labels): Allocate touched_switch_bbs.
2990         (end_recording_case_labels): Deallocate it, call
2991         group_case_labels_stmt.
2992         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2993
2994 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2995
2996         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2997         from insn template.
2998
2999 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3000
3001         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3002
3003 2010-04-13  Jan Hubicka  <jh@suse.cz>
3004
3005         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3006         of optimized out static functions.
3007         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3008         cost computation.  Also sanity check for overflows.
3009         (update_caller_keys): Update cgraph_edge_badness call; properly
3010         update fibheap and sanity check that it is up to date.
3011         (add_new_edges_to_heap): Update cgraph_edge_badness.
3012         (cgraph_decide_inlining_of_small_function): Likewise;
3013         add sanity checking that badness in heap is up to date;
3014         improve dumping of reason; Update badness of calls to the
3015         offline copy of function currently inlined; dump badness
3016         of functions not inlined because of unit growth limits.
3017
3018 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3019
3020         PR middle-end/32628
3021         * c-common.c (pointer_int_sum): Disregard overflow that occured only
3022         because of sign-extension change when converting to sizetype here...
3023         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3024
3025         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3026         the folding to constants.  Remove redundant final conversion.
3027         (fold_binary) <associate>: Do not associate if the re-association of
3028         constants alone overflows.
3029         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3030         to the end of the list.
3031         (multiple_of_p) <COND_EXPR>: New case.
3032
3033 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3034
3035         * opt-functions.awk (opt_sanitized_name): New.
3036         (opt_enum): New.
3037         * optc-gen.awk: Use it
3038         * opth-gen.awk: Use it.
3039
3040 2010-04-13  Martin Jambor  <mjambor@suse.cz>
3041
3042         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3043         (sra_modify_assign): Delete stmts loading dead data even if racc has no
3044         children.  Call replace_uses_with_default_def_ssa_name to handle
3045         SSA_NAES on lhs.
3046
3047 2010-04-13  Michael Matz  <matz@suse.de>
3048
3049         PR middle-end/43730
3050         * builtins.c (expand_builtin_interclass_mathfn): Also create
3051         a register if the predicate doesn't match.
3052
3053 2010-04-13  Diego Novillo  <dnovillo@google.com>
3054
3055         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3056         * c-pch.c: Include timevar.h.
3057         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3058         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3059         * ggc-common.c: Include timevar.h.
3060         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3061         * timevar.def (TV_PCH_SAVE): Define.
3062         (TV_PCH_CPP_SAVE): Define.
3063         (TV_PCH_PTR_REALLOC): Define.
3064         (TV_PCH_PTR_SORT): Define.
3065         (TV_PCH_RESTORE): Define.
3066         (TV_PCH_CPP_RESTORE): Define.
3067
3068 2010-04-13  Michael Matz  <matz@suse.de>
3069
3070         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3071         into MINUS_EXPRs.
3072         (can_reassociate_p): New function.
3073         (break_up_subtract_bb, reassociate_bb): Use it.
3074
3075 2010-04-13  Richard Guenther  <rguenther@suse.de>
3076
3077         PR bootstrap/43737
3078         * builtins.c (c_readstr): Fix assert.
3079
3080 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
3081
3082         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3083         when generating cltd insn.
3084
3085         (*ashl<mode>3_1): Remove special handling for register operand 2.
3086         (*ashlsi3_1_zext): Ditto.
3087         (*ashlhi3_1): Ditto.
3088         (*ashlhi3_1_lea): Ditto.
3089         (*ashlqi3_1): Ditto.
3090         (*ashlqi3_1_lea): Ditto.
3091         (*<shiftrt_insn><mode>3_1): Ditto.
3092         (*<shiftrt_insn>si3_1_zext): Ditto.
3093         (*<shiftrt_insn>qi3_1_slp): Ditto.
3094         (*<rotate_insn><mode>3_1): Ditto.
3095         (*<rotate_insn>si3_1_zext): Ditto.
3096         (*<rotate_insn>qi3_1_slp): Ditto.
3097
3098 2010-04-13  Richard Guenther  <rguenther@suse.de>
3099
3100         * tree-ssa-structalias.c (callused_id): Remove.
3101         (call_stmt_vars): New.
3102         (get_call_vi): Likewise.
3103         (lookup_call_use_vi): Likewise.
3104         (lookup_call_clobber_vi): Likewise.
3105         (get_call_use_vi): Likewise.
3106         (get_call_clobber_vi): Likewise.
3107         (make_transitive_closure_constraints): Likewise.
3108         (handle_const_call): Adjust to do per-call call-used handling.
3109         (handle_pure_call): Likewise.
3110         (find_what_var_points_to): Remove general callused handling.
3111         (init_base_vars): Likewise.
3112         (init_alias_vars): Initialize call_stmt_vars.
3113         (compute_points_to_sets): Process call-used and call-clobbered
3114         vars for call statements.
3115         (delete_points_to_sets): Free call_stmt_vars.
3116
3117 2010-04-13  Richard Guenther  <rguenther@suse.de>
3118
3119         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3120         Only add RW dependence for dependence distance zero.
3121         Adjust maximal vectorization factor according to dependences.
3122         Move alignment handling ...
3123         (vect_find_same_alignment_drs): ... here.  New function.
3124         (vect_analyze_data_ref_dependences): Adjust.
3125         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3126         (vect_analyze_data_refs): Adjust minimal vectorization factor
3127         according to data references.
3128         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3129         dependences before determining the vectorization factor.
3130         Analyze alignment after determining the vectorization factor.
3131         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3132         dependences before alignment.
3133         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3134         Adjust prototype.
3135         (vect_analyze_data_refs): Likewise.
3136         (MAX_VECTORIZATION_FACTOR): New define.
3137
3138 2010-04-13  Duncan Sands  <baldrick@free.fr>
3139
3140         * except.h (lang_eh_type_covers): Remove.
3141         * except.c (lang_eh_type_covers): Likewise.
3142
3143 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3144             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3145
3146         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3147         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3148         UNITS_PER_LONG where it is ABI relevant.
3149         (s390_return_addr_rtx): Likewise.
3150         (s390_back_chain_rtx): Likewise.
3151         (s390_frame_area): Likewise.
3152         (s390_frame_info): Likewise.
3153         (s390_initial_elimination_offset): Likewise.
3154         (save_gprs): Likewise.
3155         (s390_emit_prologue): Likewise.
3156         (s390_emit_epilogue): Likewise.
3157         (s390_function_arg_advance): Likewise.
3158         (s390_function_arg): Likewise.
3159         (s390_va_start): Likewise.
3160         (s390_gimplify_va_arg): Likewise.
3161         (s390_function_profiler): Likewise.
3162         (s390_optimize_prologue): Likewise.
3163         (s390_rtx_costs): Likewise.
3164         (s390_secondary_reload): Likewise.
3165         (s390_promote_function_mode): Likewise.
3166         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3167         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3168         registers available.
3169         (s390_unwind_word_mode): New function.
3170         (s390_function_value): Split 64 bit values into register pair if
3171         used as return value.
3172         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3173         function call parameters.  Handle parallels.
3174         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3175         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3176         (DWARF_CIE_DATA_ALIGNMENT): New macro.
3177         (s390_expand_setmem): Remove unused variable src_addr.
3178         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3179         deal with 64 bit registers.
3180         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3181         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3182         (UNITS_PER_LONG): New macro.
3183         * libjava/include/s390-signal.h: Define extended ucontext
3184         structure containing the upper halfs of the 64 bit registers.
3185
3186 2010-04-13  Simon Baldwin  <simonb@google.com>
3187
3188         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3189
3190 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3191
3192         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3193         rvalue on the RHS if the LHS is of a non-renamable type.
3194         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3195
3196 2010-04-13  Matthias Klose  <doko@ubuntu.com>
3197
3198         * gcc.c (cc1_options): Handle -iplugindir before processing
3199         the cc1 spec. Only add -iplugindir once.
3200         (cpp_unique_options): Add -iplugindir option if -fplugin* options
3201         found.
3202         * common.opt (iplugindir): Remove `Separate' property, initialize.
3203         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3204         option.
3205         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3206         (distclean): Remove plugin dir.
3207         * doc/invoke.texi: Document -iplugindir.
3208
3209 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3210
3211         * doc/plugins.texi (Loading Plugins): Document short
3212         -fplugin=foo option.
3213         (Plugin API): Mention default_plugin_dir_name function.
3214
3215         * gcc.c (find_file_spec_function): Add new declaration.
3216         (static_spec_func): Use it for "find-file".
3217         (find_file_spec_function): Add new function.
3218         (cc1_options): Add -iplugindir option if -fplugin* options found.
3219
3220         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3221
3222         * plugin.c (add_new_plugin): Updated comment, and handle short
3223         plugin name.
3224         (default_plugin_dir_name): Added new function.
3225
3226         * common.opt (iplugindir): New option to set the plugin directory.
3227
3228 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3229
3230         * config/i386/i386.md (any_rotate): New code iterator.
3231         (rotate_insn): New code attribute.
3232         (rotate): Ditto.
3233         (SWIM124): New mode iterator.
3234         (<rotate_insn>ti3): New expander.
3235         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3236         any_rotate code iterator.
3237         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3238         using any_rotate code iterator and SWIM124 mode iterator.
3239         (ix86_rotlti3): New insn_and_split pattern.
3240         (ix86_rotrti3): Ditto.
3241         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3242         ix86_rotl{di,ti}3 patterns.
3243         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3244         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3245         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3246         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3247         code iterator and SWI mode iterator.
3248         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3249         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3250         code iterator.
3251         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3252         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3253         (bswap rotatert splitter): Add splitter.
3254         (bswap splitter): Macroize splitter using any_rotate code iterator.
3255         Add insn predicate to split only for TARGET_USE_XCHGB or when
3256         optimizing function for size.
3257
3258 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3259
3260         * config/pa/pa.c (emit_move_sequence): Remove use of
3261         deleted variable flag_argument_noalias.
3262
3263 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3264
3265         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3266         configurations.
3267         Add to unsupported targets list.
3268         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3269         sparc*-sun-solaris2.[567]* from target lists.
3270         * configure: Regenerate.
3271         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3272         removal.
3273         Remove Solaris 7 patch references.
3274         (Specific, sparc-sun-solaris2.7): Removed.
3275         (sparc-sun-solaris2*): Update Solaris 7 example.
3276         (sparc64-*-solaris2*): Likewise.
3277
3278 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3279
3280         * config.build (alpha*-dec-osf4*): Remove.
3281         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3282         of obsolete configurations.
3283         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3284         support.
3285         * config/alpha/t-osf4: Renamed to ...
3286         * config/alpha/t-osf5: ... this.
3287         * config/alpha/osf.h: Renamed to ...
3288         * config/alpha/osf5.h: ... this.
3289         Merged old osf5.h contents.
3290         Update comments.
3291         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3292         (EXTRA_SPECS): Removed.
3293         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3294         reflect removal of Tru64 UNIX V4.0/V5.0 support.
3295         Document that.
3296
3297 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3298
3299         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3300
3301 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3302
3303         PR/43702
3304         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3305         __thiscall convention.
3306
3307 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3308
3309         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3310         orig_base.
3311         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3312
3313 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3314
3315         * function.c (assign_parms_initialize_all): Add unused attribute
3316         to fntype.
3317
3318 2010-04-12  Richard Guenther  <rguenther@suse.de>
3319
3320         * gsstruct.def (GSS_CALL): New.
3321         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3322         * gimple.h: Include tree-ssa-alias.h.
3323         (struct gimple_statement_call): New.
3324         (union gimple_statement_struct_d): Add gimple_call member.
3325         (gimple_call_reset_alias_info): Declare.
3326         (gimple_call_use_set): New function.
3327         (gimple_call_clobber_set): Likewise.
3328         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3329         * gimple.c (gimple_call_reset_alias_info): New function.
3330         (gimple_build_call_1): Call it.
3331         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3332         * tree-inline.c (remap_gimple_stmt): Likewise.
3333         (expand_call_inline): Remove callused handling.
3334         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3335         * tree-dfa.c (dump_variable): Likewise.
3336         * tree-parloops.c (parallelize_loops): Likewise.
3337         * tree-ssa.c (init_tree_ssa): Likewise.
3338         (delete_tree_ssa): Likewise.
3339         * tree-flow-inline.h (is_call_used): Remove.
3340         * tree-flow.h (struct gimple_df): Remove callused member.
3341         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3342         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3343         (ref_maybe_used_by_call_p_1): Simplify.
3344         (call_may_clobber_ref_p_1): Likewise.
3345         * tree-ssa-structalias.c (compute_points_to_sets): Set
3346         the call stmt used and clobbered sets.
3347         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3348         (find_tail_calls): Verify the tail call.
3349
3350 2010-04-12  Richard Guenther  <rguenther@suse.de>
3351
3352         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3353         single-iteration always-inline inlining.
3354         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3355         (cgraph_decide_inlining): Do not handle always-inline specially.
3356         (try_inline): Remove always-inline cycle detection special case.
3357         Do not recurse on always-inlines.
3358         (cgraph_early_inlining): Do not iterate if not optimizing.
3359         (cgraph_gate_early_inlining): remove.
3360         (pass_early_inline): Run unconditionally.
3361         (gate_cgraph_decide_inlining): New function.
3362         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
3363         not inlining or optimizing.
3364         (cgraph_decide_inlining_of_small_functions): Also consider
3365         always-inline functions.
3366         (cgraph_default_inline_p): Return true for nodes which should
3367         disregard inline limits.
3368         (estimate_function_body_sizes): Assume zero size and time for
3369         nodes which are marked as disregarding inline limits.
3370         (cgraph_decide_recursive_inlining): Do not perform recursive
3371         inlining on always-inline nodes.
3372
3373 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
3374
3375         PR bootstrap/43699
3376         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3377         for exprs satisfying handled_component_p.
3378
3379 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
3380
3381         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3382         non-constant aggregate elements.
3383
3384         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3385         is a real initialization.
3386
3387 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
3388
3389         PR c/36774
3390         * c-decl.c (start_function): Move forward check for nested function.
3391
3392 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3393
3394         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3395         * config/sh/sh.c: Include reload.h.
3396         (sh_legitimize_reload_address): New.
3397         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3398         sh_legitimize_reload_address.
3399
3400 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3401
3402         * config/sh/sh.md (*movqi_pop): New insn pattern.
3403         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3404
3405 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3406
3407         * config/i386/i386.md (any_shiftrt): New code iterator.
3408         (shiftrt_insn): New code attribute.
3409         (shiftrt): Ditto.
3410         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3411         using any_shiftrt code iterator.
3412         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3413         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3414         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3415         pattern from corresponding peephole2 patterns.
3416         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3417         using any_shiftrt code iterator.
3418         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3419         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3420         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3421         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3422         *{ashr,lshr}<mode>3_cmp_zext.
3423         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3424
3425 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3426
3427         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3428         scratch register.
3429         (*lshr<mode>3_cconly): Ditto.
3430
3431 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3432