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* c-opts.c (c_common_parse_file): If start_end_main_source_file,
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
2
3         * c-opts.c (c_common_parse_file): If start_end_main_source_file,
4         don't call start_source_file debug hook here...
5         (finish_options): ... but here, after outputting predefined and
6         command line defines and undefs.
7
8         PR middle-end/44071
9         * cfglayout.c (fixup_reorder_chain): Allow asm goto to have
10         no fallthru edge.
11         * cfgcleanup.c (try_optimize_cfg): When in cfglayout mode
12         optimizing away empty bb with no successors, move over its
13         footer chain to fallthru predecessor.
14         * cfgrtl.c (patch_jump_insn): Update also REG_LABEL_OPERAND.
15         (rtl_split_edge): For asm goto call patch_jump_insn even if
16         splitting fallthru edge.
17
18         PR c++/44059
19         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use qnu_unique_object
20         even for DECL_ONE_ONLY DECL_ARTIFICIAL !TREE_READONLY decls.
21         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Likewise.
22         * dwarf2asm.c (dw2_output_indirect_constant_1): Set TREE_READONLY
23         on DW.ref.* decls.
24
25         PR c++/44062
26         * c-parser.c (c_parser_expression): Mark LHS of a comma
27         expression as read if it is a decl, handled component or
28         COMPOUND_EXPR with that on the RHS.
29         * c-typeck.c (c_process_expr_stmt): Mark RHS of COMPOUND_EXPR
30         if it is a decl or handled component.
31
32 2010-05-11  Jan Hubicka  <jh@suse.cz>
33
34         * lto-symtab.c (lto_symtab_free): New function.
35         * lto-streamer.h (lto_symtab_free): Declare.
36
37 2010-05-11  Jan Hubicka  <jh@suse.cz>
38
39         * lto-cgraph.c (reachable_from_other_partition_p): Export; do not assume
40         that if function is needed it is reachable.
41         (lto_output_node): See if it the function is reachable or referenced.
42         (output_cgraph): Update call of lto_output_node.
43         * lto-streamer.h (reachable_from_other_partition_p): Declare.
44
45 2010-05-11  Jan Hubicka  <jh@suse.cz>
46
47         * crtstuff.c (__JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__):
48         Mark as used.
49
50 2010-05-11  Jan Hubicka  <jh@suse.cz>
51
52         PR tree-optimize/44063
53         * ipa-inline.c (cgraph_edge_badness): Move always inlines to top of queue.
54         (cgraph_decide_inlining_of_small_function): Skip check when disrgarding
55         limits.
56         (estimate_function_body_sizes): Compute sizes even when disregarding.
57
58 2010-05-11  Kai Tietz  <kai.tietz@onevision.com>
59
60         * collect2.c (maybe_lto_object_file): Add x64-coff magic and check.
61
62 2010-05-11  Jan Hubicka  <jh@suse.cz>
63
64         * lto-cgraph.c (output_cgraph): Remove loop adding all varpool nodes
65         into every boundary.
66
67 2010-05-11  Jan Hubicka  <jh@suse.cz>
68
69         * matrix-reorg.c (matrix_reorg): Rebuild edges.
70
71 2010-05-11  Jan Hubicka  <jh@suse.cz>
72
73         * lto-streamer.c (lto_streamer_cache_add_to_node_array,
74         lto_streamer_cache_delete): Put nodes into heap.
75         * lto-streamer.h (struct lto_streamer_cache_d): Nodes vector is in
76         heap.
77
78 2010-05-11  Jan Hubicka  <jh@suse.cz>
79
80         * cgraphbuild.c (cgraph_rebuild_references): New.
81         * cgraph.c (cgraph_mark_reachable_node): Accept references to optimized
82         out extern inlines.
83         * cgraph.h (cgraph_rebuild_references): Declare.
84         * tree-inline.c (tree_function_versioning): Use it.
85         * ipa-struct-reorg.c (do_reorg_for_func): Likewise.
86
87 2010-05-11  Jan Hubicka  <jh@suse.cz>
88
89         * cgraph.c: Include ipa-utils.h
90         (cgraph_create_virtual_clone): Update references.
91         * Makefile.in (cgraph.o): Add dependency at ipa-utils.h
92
93 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
94
95         * tree-ssa-loop-prefetch.c (prune_ref_by_group_reuse): Reset
96         prefetch_before to PREFETCH_ALL if to accesses "meet" beyond
97         cache size.
98
99 2010-05-11  Christian Borntraeger  <borntraeger@de.ibm.com>
100
101         * tree-ssa-loop-prefetch.c: Add debug for dropped prefetches.
102
103 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
104
105         * gcc.c (execute): For -### don't quote arguments that
106         contain just alphanumerics and _/-. characters.
107         * doc/invoke.texi: Document that change for -###.
108
109         PR debug/44023
110         * df-problems.c (struct dead_debug): Add to_rescan field.
111         (dead_debug_init): Clear to_rescan field.
112         (dead_debug_finish): Rescan all debug insns in to_rescan
113         bitmap and free the bitmap.
114         (dead_debug_insert_before): Instead of rescanning debug insns
115         immediately queue their rescanning until dead_debug_finish.
116         (df_note_bb_compute): After dead_debug_add do continue instead
117         of break.
118
119 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
120
121         PR debug/44028
122         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
123         clear also INSN_REG_USE_LIST.
124
125 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
126
127         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
128
129 2010-05-10  Jan Hubicka  <jh@suse.cz>
130
131         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally commited change.
132
133 2010-05-10  Jan Hubicka  <jh@suse.cz>
134
135         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries): Allocate
136         encoders.
137         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
138         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
139         (lto_streamer_cache_create): Init alloc pool.
140         (lto_streamer_cache_delete): Free alloc pool.
141         * lto-streamer.h: Include alloc pool.
142         (lto_streamer_cache_d): Use alloc pool.
143         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
144
145 2010-05-10  Jan Hubicka  <jh@suse.cz>
146
147         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
148         * cgraphbuild.c: Include except.h
149         (record_type_list, record_eh_tables): New function.
150         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
151
152 2010-05-10  Jan Hubicka  <jh@suse.cz>
153
154         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
155         __frame_dummy_init_array_entry, force_to_data): Attribute as used
156         rather than unused.
157
158 2010-05-10  Michael Matz  <matz@suse.de>
159
160         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
161         (can_reassociate_p): Use FLOAT_TYPE_P.
162         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
163         (vect_force_simple_reduction): ... this.
164         * tree-parloops.c (gather_scalar_reductions): Use
165         vect_force_simple_reduction.
166         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
167         vect_is_simple_reduction, add modify argument, if true rewrite
168         "a-b" into "a+(-b)".
169         (vect_is_simple_reduction, vect_force_simple_reduction): New
170         functions.
171         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
172
173 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
174             Vladimir Makarov  <vmakarov@redhat.com>
175
176         PR rtl-optimization/44012
177         * ira-build.c (remove_unnecessary_allocnos): Nullify
178         regno_allocno_map of the removed allocno.
179
180 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
181
182         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
183         to /dev/null.
184         * configure: Regenerate.
185
186 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
187
188         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
189         unused.
190         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
191         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
192         support in Sun ld.
193         * configure: Regenerate.
194
195 2010-05-10  Richard Guenther  <rguenther@suse.de>
196
197         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
198         marked if the entry identifier is marked.
199
200 2010-05-10  Richard Guenther  <rguenther@suse.de>
201
202         * c-common.c (struct c_common_attributes): Add fnspec attribute.
203         (handle_fnspec_attribute): New function.
204         * gimple.h (gimple_call_return_flags): Declare.
205         (gimple_call_arg_flags): Likewise.
206         * gimple.c (gimple_call_arg_flags): New function.
207         (gimple_call_return_flags): Likewise.
208         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
209         New argument flags.
210         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
211         return value flags.
212         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
213         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
214         main work to ...
215         (make_heapvar_for): ... this new function.
216         (handle_rhs_call): Handle fnspec attribute argument specifiers.
217         (handle_lhs_call): Likewise.
218         (find_func_aliases): Adjust.
219
220 2010-05-10  Richard Guenther  <rguenther@suse.de>
221
222         PR tree-optimization/44050
223         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
224
225 2010-05-10  Wei Guozhi  <carrot@google.com>
226
227         PR target/42879
228         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
229
230 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
231
232         PR c/10676
233         * c-typeck.c (lookup_field): Take a type directly.  Update
234         recursive calls.
235         (build_component_ref): Update call to lookup_field.
236         (set_init_label): Use lookup_field to find initialized field.
237         Handle returned list of fields like a sequence of designators.
238
239 2010-05-09  Richard Guenther  <rguenther@suse.de>
240
241         PR middle-end/44024
242         * fold-const.c (tree_single_nonzero_warnv_p): Properly
243         handle &FUNCTION_DECL.
244
245 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
246
247         PR c/4784
248         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
249         structures and unions recursively.
250         (detect_field_duplicates): Move duplicate detection with a hash to
251         detect_field_duplicates_hash.  Always use a hash if anonymous
252         structures or unions are present.
253         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
254         give errors.
255
256 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
257
258         PR target/44046
259         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
260         detect Atom, Core 2 and Core i7.
261
262 2010-05-09  Richard Guenther  <rguenther@suse.de>
263
264         * gcc.c (store_arg): Handle temporary file deletion for
265         joined arguments.
266
267 2010-05-09  Richard Guenther  <rguenther@suse.de>
268
269         PR middle-end/44043
270         * ipa-inline.c (estimate_function_body_sizes): Return after
271         disregarding inline limits.
272
273 2010-05-09  Richard Guenther  <rguenther@suse.de>
274
275         * gcc.c (store_arg): Revert last change.
276
277 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
278
279         PR middle-end/28685
280         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
281         (optimize_ops_list): Call it.
282
283 2010-05-08  Richard Guenther  <rguenther@suse.de>
284
285         PR tree-optimization/44030
286         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
287         NECESSARY flag if we propagate from a inserted expression.
288
289 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
290
291         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
292         domain types as equal if they are both PLACEHOLDER_EXPRs.
293
294 2010-05-08  Richard Guenther  <rguenther@suse.de>
295
296         * lto-wrapper.c (run_gcc): Remove linker output from
297         command line for LTRANS invocation.
298
299 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
300
301         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
302         lto-macho as lto_binary_reader.
303         * target.h (struct gcc_target): New hooks lto_start and lto_end.
304         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
305         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
306         in lto_start and lto_end calls.
307         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
308         magic numbers.
309         (scan_prog_file): Update is_elf_or_coff call.
310         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
311
312         * collect2.c (main): Fix enum comparison.
313
314         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
315         Add prototypes.
316         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
317         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
318         and TARGET_ASM_LTO_END.
319         * darwin.c: Include obstack.h and lto-streamer.h.
320         (lto_section_names_offset, lto_section_names_obstack,
321         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
322         global variables.
323         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
324         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
325         to a temporary file.
326         (darwin_asm_lto_end): New function.  Restore asm_out_file.
327         (darwin_asm_named_section): For LTO sections, replace the name with
328         the offset of the section name in a string table, and build this
329         table.
330         (darwin_file_start): Initialize global vars for LTO support.
331         (darwin_file_end): If output to asm_out_file was redirected, append it
332         to the proper asm_out_file here.  Add the section names section.
333
334 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
335
336         * c-pragma.c (pending_weak_d, pending_weak): New.
337         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
338         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
339         handle_pragma_weak): Update the uses of pending_weaks.
340
341 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
342
343         PR documentation/44016
344         * doc/standards.texi (Standards): Link to unversioned
345         cxx0x_status.html page.
346
347 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
348
349         PR target/43708
350         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
351         in addition to TREE_USED, to avoid "set but unused" warnings.
352
353 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
354
355         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
356         (is_loop_prefetching_profitable): Do not insert prefetches
357         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
358         times the prefetch ahead distance.
359
360 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
361
362         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
363         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
364         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
365         the unroll_factor.
366
367 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
368
369         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
370         a diagnostic info when the insn-to-mem ratio is too small.
371
372 2010-05-07  Richard Guenther <rguenther@suse.de>
373
374         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
375         the linker plugin.
376         (store_arg): Queue temp_filename for deletion instead of
377         the whole argument.
378
379 2010-05-07  Richard Guenther  <rguenther@suse.de>
380
381         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
382         (run_gcc): Handle LTRANS phase invocation.
383         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
384
385 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
386
387         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
388         this is also meaningful on PARM_DECLs and RESULT_DECLs.
389
390 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
391
392         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
393
394 2010-05-07  Richard Guenther  <rguenther@suse.de>
395
396         PR tree-optimization/44020
397         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
398         code when PRE is not yet initialized.
399
400 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
401
402         * config/mips/dbxmdebug.h: Remove.
403         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
404
405 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
406
407         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
408         with null pointer and also warn about ordered comparison of zero with
409         pointer if -Wextra.
410
411 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
412
413         * graphite-blocking.c
414         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
415         * graphite-clast-to-gimple.c
416         (clast_to_gcc_expression): Same.
417         (precision_for_value): Same.
418         (precision_for_interval): Same.
419         (gcc_type_for_interval): Same.
420         (graphite_create_new_guard): Same.
421         (compute_bounds_for_level): Same.
422         (graphite_create_new_loop_guard): Same.
423         * graphite-interchange.c
424         (build_linearized_memory_access): Same.
425         (pdr_stride_in_loop): Same.
426         (memory_strides_in_loop_1): Same.
427         (memory_strides_in_loop): Same.
428         (extend_scattering): Same.
429         (psct_scattering_dim_for_loop_depth): Same.
430         (pbb_number_of_iterations): Same.
431         * graphite-poly.h
432         (debug_iteration_domains): Same.
433         * graphite-ppl.c
434         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
435         (ppl_set_inhomogeneous_gmp): Same.
436         (ppl_strip_loop): Same.
437         (ppl_lexico_compare_linear_expressions): Same.
438         (ppl_read_polyhedron_matrix): Same.
439         (ppl_max_for_le_pointset): Same.
440         * graphite-ppl.h
441         (ppl_read_polyhedron_matrix): Same.
442         (tree_int_to_gmp): Same.
443         (gmp_cst_to_tree): Same.
444         (ppl_set_inhomogeneous): Same.
445         (ppl_set_inhomogeneous_tree): Same.
446         (ppl_set_coef): Same.
447         (ppl_set_coef_tree): Same.
448         * graphite-sese-to-poly.c
449         (build_pbb_scattering_polyhedrons): Same.
450         (build_scop_scattering): Same.
451         (scan_tree_for_params_right_scev): Same.
452         (scan_tree_for_params): Same.
453         (find_params_in_bb): Same.
454         (find_scop_parameters): Same.
455         (add_upper_bounds_from_estimated_nit): Same.
456         (build_loop_iteration_domains): Same.
457         (add_condition_to_domain): Same.
458         (pdr_add_memory_accesses): Same.
459
460 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
461
462         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
463         CLooG's value_* macros to their respective mpz_* counterparts.
464         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
465         (graphite_create_new_loop_guard): Same.
466         * graphite-interchange.c (build_linearized_memory_access): Same.
467         (pdr_stride_in_loop): Same.
468         (memory_strides_in_loop_1): Same.
469         (1st_interchange_profitable_p): Same.
470         * graphite-poly.c (extend_scattering): Same.
471         (psct_scattering_dim_for_loop_depth): Same.
472         (pbb_number_of_iterations): Same.
473         (pbb_number_of_iterations_at_time): Same.
474         * graphite-poly.h (new_1st_loop): Same.
475         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
476         (oppose_constraint): Same.
477         (insert_constraint_into_matrix): Same.
478         (ppl_set_inhomogeneous_gmp): Same.
479         (ppl_set_coef_gmp): Same.
480         (ppl_strip_loop): Same.
481         (ppl_lexico_compare_linear_expressions): Same.
482         (ppl_max_for_le_pointset): Same.
483         (ppl_min_for_le_pointset): Same.
484         (ppl_build_realtion): Same.
485         * graphite-ppl.h (gmp_cst_to_tree): Same.
486         (ppl_set_inhomogeneous): Same.
487         (ppl_set_inhomogeneous_tree): Same.
488         (ppl_set_coef): Same.
489         (ppl_set_coef_tree): Same.
490         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
491         (build_scop_scattering): Same.
492         (add_value_to_dim): Same.
493         (scan_tree_for_params_right_scev): Same.
494         (scan_tree_for_params_int): Same.
495         (scan_tree_for_params): Same.
496         (find_params_in_bb): Same.
497         (find_scop_parameters): Same.
498         (add_upper_bounds_from_estimated_nit): Same.
499         (build_loop_iteration_domains): Same.
500         (create_linear_expr_from_tree): Same.
501         (add_condition_to_domain): Same.
502         (pdr_add_memory_accesses): Same.
503
504 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
505             Jason Merrill  <jason@redhat.com>
506
507         * c-common.c (c_common_reswords): Add nullptr.
508         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
509         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
510         (gen_type_die_with_usage): Likewise.
511         * dbxout.c (dbxout_type): Likewise.
512         * sdbout.c (plain_type_1): Likewise.
513
514 2010-05-06  Jason Merrill  <jason@redhat.com>
515
516         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
517         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
518         ret appropriately.
519         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
520
521         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
522         stripping WITH_SIZE_EXPR.
523         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
524         change.
525
526 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
527
528         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
529         list of obsolete configurations.
530         Disabled check for obsolete configurations.
531         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
532         Removed support for previous versions.
533         * config/mips/iris.h: Removed.
534         * config/mips/iris5.h: Removed.
535         * config/mips/iris6.h: Merged old iris.h contents.
536         (TARGET_IRIX): Removed.
537         (DRIVER_SELF_SPECS): Removed mabi=32.
538         (IDENT_ASM_OP): Removed undef.
539         (STARTFILE_SPEC): Removed mabi=32.
540         (ENDFILE_SPEC): Likewise.
541         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
542         (MACHINE_TYPE): Update for IRIX 6.5.
543         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
544         TARGET_IRIX by TARGET_IRIX6.
545         (mips_file_start): Likewise.
546         (mips_output_external): Remove IRIX 5/6 O32 support.
547         (mips_output_function_prologue): Likewise.
548         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
549         TARGET_IRIX6.
550         (TARGET_CPU_CPP_BUILTINS): Likewise.
551         (TARGET_IRIX): Removed.
552         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
553         (MULTILIB_DIRNAMES): Removed 32.
554         (MULTILIB_OSDIRNAMES): Removed ../lib.
555         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
556         (Specific, mips-sgi-irix5): Document removal.
557         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
558         Remove references to older IRIX 6 releases and the O32 ABI.
559
560 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
561
562         PR bootstrap/43994
563         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
564         instead of DF_REF_REAL_REG.
565
566 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
567
568         PR target/43888
569         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
570         handling to still return true for x64 targets.
571
572 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
573
574         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
575
576 2010-05-06  Jan Hubicka  <jh@suse.cz>
577
578         PR tree-optimization/43791
579         * ipa-inline.c (update_caller_keys): Remove bogus
580         disregard_inline_limits check.
581
582 2010-05-06  Michael Matz  <matz@suse.de>
583
584         PR tree-optimization/43984
585         * tree-ssa-pre.c (inserted_phi_names): Remove.
586         (inserted_exprs): Change to bitmap.
587         (create_expression_by_pieces): Set bits, don't append to vector.
588         (insert_into_preds_of_block): Don't handle inserted_phi_names.
589         (eliminate): Don't look at inserted_phi_names, remove deleted
590         insns from inserted_exprs.
591         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
592         (init_pre, fini_pre): Allocate and free bitmaps.
593         (execute_pre): Insert insns on edges before elimination.
594
595 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
596
597         * tree.c (initializer_zerop): Handle STRING_CST.
598
599 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
600
601         PR 40989
602         * doc/invoke.texi (Wimplicit): Document as C only.
603         * opts.c (common_handle_option): Add argument kind.
604         (handle_option): Rename as read_cmdline_option. Factor out code to...
605         (handle_option): ... here. New.
606         (handle_options): Rename as read_cmdline_options.
607         (decode_options): Update call.
608         (set_option): Use option index instead of option pointer. Classify
609         diagnostics correctly.
610         (enable_warning_as_error): Call handle_option.
611         * opts.h (set_option): Update declaration.
612         (handle_option): Declare.
613         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
614         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
615         * c-opts.c (set_Wimplicit): Delete.
616         (c_family_lang_mask): New static constant.
617         (c_common_handle_option): Add argument kind. Use handle_option
618         instead of set_Wimplicit.
619         (c_common_post_options): warn_implicit and warn_implicit_int
620         are disabled by default.
621         * c-common.c (warn_implicit): Do not define here.
622         * c-common.h (warn_implicit): Do not declare here.
623         (c_common_handle_option): Update declaration.
624         * lto-opts.c (lto_reissue_options): Update call to set_option.
625
626 2010-05-06  Richard Guenther  <rguenther@suse.de>
627
628         PR tree-optimization/43571
629         * domwalk.c (walk_dominator_tree): Walk the dominator
630         sons in more optimal order.
631
632 2010-05-06  Richard Guenther  <rguenther@suse.de>
633
634         PR tree-optimization/43934
635         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
636         (stmt_cost): Likewise.
637         (extract_true_false_args_from_phi): New helper.
638         (determine_max_movement): For PHI nodes verify we can hoist them
639         and compute their cost.
640         (determine_invariantness_stmt): Handle PHI nodes.
641         (move_computations_stmt): Likewise.  Hoist PHI nodes in
642         if-converted form using COND_EXPRs.
643         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
644         (tree_ssa_lim): Likewise.
645         * tree-flow.h (tree_ssa_lim): Adjust prototype.
646         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
647
648 2010-05-06  Richard Guenther  <rguenther@suse.de>
649
650         PR tree-optimization/43987
651         * tree-ssa-structalias.c (could_have_pointers): For possibly
652         address-taken variables force pointers to be recorded.
653         (create_variable_info_for_1): Likewise.
654         (push_fields_onto_fieldstack): Pass in wheter all fields
655         must have pointers.
656         (find_func_aliases): Query types instead of vars whether
657         they contain pointers where appropriate.
658
659 2010-05-06  Jan Hubicka  <jh@suse.cz>
660
661         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
662         (record_reference, mark_address, mark_load, mark_store): Record
663         references.
664         (record_references_in_initializer): Update call of record_references.
665         (rebuild_cgraph_edges): Remove all references before rebuiding.
666         * cgraph.c (cgraph_create_node): Clear ref list.
667         (cgraph_remove_node): Remove references.
668         (dump_cgraph_node): Dump references.
669         (cgraph_clone_node): Clone references.
670         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
671         (struct cgraph_node, varpool_node): Add ref_lst.
672         * ipa-ref.c: New file.
673         * ipa-ref.h: New file.
674         * ipa-ref-inline.h: New file.
675         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
676         (referenced_from_other_partition_p): New function.
677         (lto_output_varpool_node): Take set arugment; call
678         referenced_from_other_partition.
679         (lto_output_ref): New.
680         (add_references): New.
681         (output_refs): New.
682         (output_cgraph): Compute boundary based on references; output refs.
683         (output_varpool): Accept cgraph_node_set argument.
684         (input_ref): New.
685         (input_refs): New.
686         (input_cgraph): Call input_refs.
687         * lto-section-in.c (lto_section_name): Add refs.
688         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
689         (ipa-ref.o): New file.
690         * varpool.c (varpool_node): Clear ipa ref list.
691         (varpool_remove_node): Remove references.
692         (dump_varpool_node): Dump references.
693         (varpool_assemble_decl): Only compile finalized ones.
694         (varpool_extra_name_alias): Initialize ref list.
695         * lto-streamer.c (lto-get_section_name): Add .refs section.
696         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
697         (referenced_from_other_partition_p): Declared.
698
699 2010-05-06  Ira Rosen  <irar@il.ibm.com>
700
701         PR tree-optimization/43901
702         * tree-vect-stmts.c (vectorizable_call): Assert that vector
703         type is not NULL if it's transformation phase, and return
704         FALSE if it's analysis.
705         (vectorizable_conversion, vectorizable_operation,
706         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
707
708 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
709
710         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
711         Delete.
712         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
713         New define.
714         * config/mips/mips-protos.h
715         (mips_small_register_classes_for_mode_p): Delete prototype.
716
717 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
718
719         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
720         * config/arm/arm.c (multiple_operation_profitable_p,
721         compute_offset_order): New static functions.
722         (load_multiple_sequence, store_multiple_sequence): Use them.
723         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
724         memory offsets, not register numbers.
725         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
726
727 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
728
729         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
730         (get_pending_sizes, put_pending_size, put_pending_sizes):
731         Update the uses of pending_sizes.
732         * c-decl.c (store_parm_decls): Likewise.
733         * c-tree.h (struct c_arg_info): Likewise.
734         * tree.h: Update the prototype for get_pending_sizes and
735         put_pending_sizes.
736
737 2010-05-05  Jason Merrill  <jason@redhat.com>
738
739         PR debug/43370
740         * c-common.c (handle_aligned_attribute): Respect
741         ATTR_FLAG_TYPE_IN_PLACE.
742
743         PR testsuite/43758
744         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
745         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
746         (TARGET_INITIALIZER): Use it.
747         * c-common.c (attribute_takes_identifier_p): Call it.
748         * c-common.h: Update prototype.
749         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
750         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
751
752 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
753
754         PR debug/43950
755         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
756         DW_ID_down_case for Fortran compilation units.
757
758 2010-05-05  Jan Hubicka  <jh@suse.cz>
759
760         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
761         handle aliases.
762
763 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
764
765         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
766         a variable-sized RESULT_DECL.
767
768 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
769
770         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
771
772 2010-05-05  Jason Merrill  <jason@redhat.com>
773
774         PR c++/43787
775         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
776         returns GS_OK.
777         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
778
779 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
780             Jakub Jelinek  <jakub@redhat.com>
781
782         PR debug/43478
783         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
784         (dead_debug_init, dead_debug_finish): New functions.
785         (dead_debug_add, dead_debug_insert_before): Likewise.
786         (df_note_bb_compute): Initialize a dead_debug object, add dead
787         debug uses to it, insert debug bind insns before death insns,
788         reset debug insns that refer to pending uses at the end.
789         * rtl.h (make_debug_expr_from_rtl): New prototype.
790         * varasm.c (make_debug_expr_from_rtl): New function.
791
792 2010-05-05  Jan Hubicka  <jh@suse.cz>
793
794         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
795         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
796         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
797         lto_varpool_encoder_deref, lto_varpool_encoder_size,
798         lto_varpool_encoder_encode_initializer_p,
799         lto_set_varpool_encoder_encode_initializer): New functions.
800         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
801         call output_varpool.
802         (input_varpool_node): Do not always set analyzed.
803         (input_cgraph_1): Return vector of cgraph nodes.
804         (input_varpool_1): Return vector of varpools.
805         (input_cgraph): Free the vectors.
806         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
807         output only initializers needed.
808         (lto_output): Only call output_cgraph.
809         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
810         * lto-section-out.c (lto_new_out_decl_state): Initialize
811         state->varpool_node_encoder.
812         * lto-streamer.h (lto_varpool_encoder_d): New.
813         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
814         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
815         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
816         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
817         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
818         Declare.
819         (output_varpool, input_varpool): Remove declarations.
820
821 2010-05-05  Jan Hubicka  <jh@suse.cz>
822
823         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
824         with body can prevail.
825
826 2010-05-05  Jan Hubicka  <jh@suse.cz>
827
828         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
829         size.
830
831 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
832
833         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
834
835         * gengtype.h (erro_at_line): Constify pos argument.
836
837         * gengtype.c: Include hashtab.h.
838         (enum gc_used): Document GC_MAYBE_POINTED_TO.
839         (error_at_line): Constify pos argument.
840         (do_typedef): Initialize p->opt field.
841         (get_file_gtfilename): Fix comment typo.
842         (struct walk_type_data): Constify line field.
843         (get_output_file_for_structure): New function.
844         (write_local_func_for_structure): Constify orig_s argument.
845         Use get_output_file_for_structure.
846         (write_func_for_structure): Use get_output_file_for_structure.
847         (INDENT): New define.
848         (dump_pair, dump_type, dump_type_list, dump_typekind)
849         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
850         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
851         functions.
852         (seen_types): New variable.
853         (main): New variable do_dump.  Process "-d" command line option.
854         Call dump_everything if dump requested.
855
856 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
857
858         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
859         in a temporary instead of invoking the macro multiple times.
860         (track_expr_p): Likewise.
861
862 2010-05-04  Neil Vachharajani <nvachhar@google.com>
863
864         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
865         per new semantics.
866         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
867         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
868         conditions for printing notes.
869         * common.opt (-Wcoverage-mismatch): Allow negative, default to
870         true, update documentation.
871         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
872
873 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
874
875         PR c/43981
876         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
877         on dimen.
878
879 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
880
881         PR target/43799
882         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
883         (*sse_prologue_save_insn1): Likewise.
884         (SSE prologue save splitter): Likewise.
885
886 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
887
888         * tree.c (free_lang_data_in_one_sizepos): New inline function.
889         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
890         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
891         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
892         all decls.  Call it on DECL_FIELD_OFFSET of fields.
893         (find_decls_types_r): Follow DECL_VALUE_EXPR.
894         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
895
896 2010-05-04  Martin Jambor  <mjambor@suse.cz>
897
898         * tree-sra.c (build_access_from_expr_1): The first parameter type
899         changed to simple tree.
900         (build_access_from_expr): Likewise, gsi parameter was eliminated.
901         (scan_assign_result): Renamed to assignment_mod_result, enum elements
902         renamed as well.
903         (build_accesses_from_assign): Removed all parameters except for a
904         simple gimple statement.  Now returns a simple bool.
905         (scan_function): All non-analysis parts moved to separate functions
906         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
907         parameters and updated both callers.
908         (sra_modify_expr): Removed parameter data.
909         (sra_modify_function_body): New function.
910         (perform_intra_sra): Call sra_modify_function_body to modify the
911         function body.
912         (replace_removed_params_ssa_names): Parameter data changed into
913         adjustments vector.
914         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
915         changed the parameter dont_convert to convert with the opposite
916         meaning.
917         (sra_ipa_modify_assign): Parameter data changed into adjustments
918         vector, return value changed to bool.
919         (ipa_sra_modify_function_body): New function.
920         (sra_ipa_reset_debug_stmts): Updated a comment.
921         (modify_function): Use ipa_sra_modify_function_body to modify function
922         body.
923
924 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
925
926         PR middle-end/43671
927         * alias.c (true_dependence): Handle the same VALUE in x and mem.
928         (canon_true_dependence): Likewise.
929         (write_dependence_p): Likewise.
930
931 2010-05-04  Jan Hubicka  <jh@suse.cz>
932
933         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
934         * cgraphbuild.c: Include ipa-utils.h
935         (record_reference_ctx): New struct.
936         (record_reference): Simplify to work on initializers; not statements.
937         (mark_address, mark_load, mark_store): New.
938         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
939         walk PHI nodes too.
940         (record_references_in_initializer): Update use of record_reference.
941         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
942         walk PHI nodes too.
943
944 2010-05-04  Jan Hubicka  <jh@suse.cz>
945
946         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
947         node will be removed anyway.
948         (lto_varpool_replace_node): Allow also unanalyzed nodes;
949         relink aliases of node into prevailing node.
950         * varpool.c (varpool_remove_node): Remove aliases properly;
951         when removing node, remove all its aliases too; remove DECL_INITIAL
952         of removed node; ggc_free the varpool node.
953
954 2010-05-04  Richard Guenther  <rguenther@suse.de>
955
956         PR tree-optimization/43879
957         * tree-ssa-structalias.c (alias_get_name): Use
958         DECL_ASSEMBLER_NAME if available.
959         (create_function_info_for): Return the varinfo node.
960         (ipa_pta_execute): Associate same-body aliases and extra names
961         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
962
963 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
964
965         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
966
967 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
968
969         PR bootstrap/43964
970         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
971         only if HONOR_REG_ALLOC_ORDER is not defined.
972
973 2010-05-04  Richard Guenther  <rguenther@suse.de>
974
975         PR tree-optimization/43949
976         * tree-vrp.c (extract_range_from_binary_expr): Only handle
977         TRUNC_MOD_EXPR.
978
979 2010-04-26  Jason Merrill  <jason@redhat.com>
980
981         * c.opt (-fstrict-enums): New.
982         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
983
984 2010-05-03  David Ung <davidu@mips.com>
985             James E. Wilson  <wilson@codesourcery.com>
986
987         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
988         emit the trap instruction before the divide for TUNE_74K.
989
990 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
991
992         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
993         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
994         based on the above, for new target hook.
995
996         * hooks.c (hook_bool_mode_true): New generic hook.
997         * hooks.h (hook_bool_mode_true): Add prototype.
998
999         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
1000         target hook.
1001         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
1002         target hook, set to hook_bool_mode_false.
1003         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
1004         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
1005         with targetm.small_register_classes_for_mode_p.
1006         (find_reusable_reload): Likewise.
1007         (combine_reloads): Likewise.
1008         * reload1.c (reload_as_needed): Likewise.
1009         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
1010         * ifcvt.c (noce_process_if_block, check_cond_move_block,
1011         dead_or_predicable): Likewise.
1012         * regmove.c (optimize_reg_copy_1): Likewise.
1013         * calls.c (prepare_call_address): Likewise.
1014         (precompute_register_parameters): Likewise.
1015
1016         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
1017         hook definition.
1018         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
1019         implementation of the hook that considers all register classes
1020         small except for SH64.
1021         (sh_override_options): Use the new hook.
1022         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
1023         Add prototype.
1024
1025         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
1026         hook definition.
1027         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
1028         implementation of the hook that considers all register classes
1029         small for THUMB1.
1030         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
1031         Add prototype.
1032
1033         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
1034         hook definition.
1035         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
1036         implementation of the hook that considers all register classes
1037         small for MIPS16.
1038         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
1039         Add prototype.
1040
1041         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
1042         hook definition.
1043         * config/m32c/m32c.h: Likewise.
1044         * config/pdp11/pdp11.h: Likewise.
1045         * config/avr/avr.h: Likewise.
1046         * config/xtensa/xtensa.h: Likewise.
1047         * config/m68hc11/m68hc11.h: Likewise.
1048         * config/mn10300/mn10300.h: Likewise.
1049         * config/mcore/mcore.h: Likewise.
1050         * config/h8300/h8300.h: Likewise.
1051         * config/bfin/bfin.h: Likewise.
1052
1053         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
1054         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
1055
1056 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
1057
1058         * double-int.h (tree_to_double_int): Remove macro.
1059         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
1060         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1061         (tree_to_double_int): New function.
1062         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
1063         Move ...
1064         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
1065
1066 2010-05-03  Richard Guenther  <rguenther@suse.de>
1067
1068         PR tree-optimization/43971
1069         * tree-ssa-structalias.c (get_constraint_for_1): Fix
1070         constraints in the !flag_delete_null_pointer_checks case.
1071
1072 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
1073
1074         PR debug/43972
1075         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
1076         result mode matches original rtl mode.
1077
1078 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
1079
1080         PR target/43888
1081         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
1082
1083 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1084
1085         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
1086         when processing flag options.
1087
1088 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1089
1090         * gcov-iov.c (main): Change format string placeholder
1091         from %#08x to 0x%08x.
1092         * genchecksum.c (dosum): Change format string placeholder
1093         from %#02x to 0x%02x.
1094
1095 2010-05-02  Richard Guenther  <rguenther@suse.de>
1096
1097         PR tree-optimization/43879
1098         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
1099
1100 2010-05-02  Bruno Haible  <bruno@clisp.org>
1101
1102         * doc/extend.texi (Function Attributes): Fix a typo.
1103
1104 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1105
1106         Revert:
1107         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1108         placeholder from 0x%x to %#x.
1109         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1110         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1111         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1112         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1113         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1114         * config/i386/i386.c (ix86_target_string): Ditto.
1115         * config/i386/i386.c (output_pic_addr_const): Ditto.
1116         (print_operand): Ditto.
1117
1118 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1119
1120         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1121         placeholder from 0x%x to %#x.
1122         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1123         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1124         (ASM_OUTPUT_DEBUG_DATA): Ditto.
1125         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1126         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1127         * optc-gen.awk: Ditto.
1128         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1129         (HOST_WIDE_INT_PRINT_HEX): Ditto.
1130         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1131         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1132
1133 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1134
1135         * target.h (struct calls): Add function_value_regno_p field.
1136         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1137         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1138         * targhooks.c (default_function_value_regno_p): New function.
1139         * targhooks.h (default_function_value_regno_p): Declare function.
1140         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1141         * builtins.c. (apply_result_size): (Ditto.).
1142         * combine.c. (likely_spilled_retval_p): (Ditto.).
1143         * mode-switching.c. Include 'target.h'.
1144         (create_pre_exit): Use function_value_regno_p hook.
1145         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1146         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1147         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1148
1149         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1150         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1151         (ix86_function_value_regno_p): Declare as static, change argument
1152         type to const unsigned int.
1153         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1154
1155 2010-05-01  Richard Guenther  <rguenther@suse.de>
1156
1157         PR tree-optimization/43949
1158         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1159         types.
1160         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1161
1162 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1163
1164         * rtl.h (CONST_DOUBLE_P): Define.
1165         (rtx_to_double_int): Declare.
1166         * emit-rtl.c (rtx_to_double_int): New function.
1167         * dwarf2out.c (insert_double): New function.
1168         (loc_descriptor, add_const_value_attribute): Clean up, use
1169         rtx_to_double_int and insert_double functions.
1170
1171 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1172
1173         * doc/extend.texi (Inline): Add missing return keyword to examples.
1174         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1175         "command-line".
1176
1177 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1178
1179         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1180         the variable part of the offset as well.  Use highest_pow2_factor for
1181         all alignment checks.
1182
1183 2010-04-30  Richard Guenther  <rguenther@suse.de>
1184
1185         PR tree-optimization/43879
1186         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1187         can have pointers.
1188
1189 2010-04-30  Jan Hubicka  <jh@suse.cz>
1190
1191         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1192         varpool.
1193         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1194
1195 2010-04-30  Jan Hubicka  <jh@suse.cz>
1196
1197         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1198         New.
1199         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1200         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1201         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1202         cgraph_node_set_needs_ltrans_p): Remove.
1203
1204 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1205
1206         * sdbout.c: Include vec.h, do not include varray.h.
1207         (deferred_global_decls, sdbout_global_decl,
1208         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1209         * toplev.c: Do not include varray.h.
1210         (dump_memory_report): Do not dump VARRAY statistics.
1211         * gengtype.c (open_base_file): Ignore varray.h.
1212         * Makefile.in: Update for abovementioned changes.
1213         Remove all traces of varray.c and varray.h.
1214         * varray.c: Remove file.
1215         * varray.h: Remove file.
1216
1217 2010-04-30  Jan Hubicka  <jh@suse.cz>
1218
1219         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1220         references.
1221
1222 2010-04-30  Jan Hubicka  <jh@suse.cz>
1223
1224         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1225         needed.
1226
1227 2010-04-30  Richard Guenther  <rguenther@suse.de>
1228
1229         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1230         constraints for CONSTRUCTOR.
1231
1232 2010-04-30  Richard Guenther  <rguenther@suse.de>
1233
1234         PR lto/43946
1235         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1236         first after all lowering passes.
1237
1238 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1239
1240         * toplev.c: Include varray.h for statistics dumping.
1241         * tree.h: Do not declare varray_head_tag.
1242         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1243         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1244         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1245         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1246         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1247         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1248         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1249         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1250         include varray.h.
1251         * Makefile.in: Update for abovementioned changes.
1252
1253 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1254
1255         PR debug/43942
1256         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1257
1258 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1259
1260         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1261         Use this function to do machine-specific conversion.
1262         (picochip_legitimize_reload_address): Likewise.
1263         (picochip_legitimate_address_p): Check valid base register only if
1264         strict.
1265         (picochip_check_conditional_copy): Check for modw only if opnd is
1266         register.
1267         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1268         to call the function in c.
1269         * config/picochip/picochip-protos.h
1270         (picochip_legitimize_reload_address): Define.
1271         * config/picochip/picochip.md (supported_compare1): Define.
1272
1273 2010-04-30  Jan Hubicka  <jh@suse.cz>
1274
1275         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1276         (cgraph_global_info): Remove inlined.
1277         (LTO_cgraph_tag_names): Remove.
1278         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1279         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1280         simplify cgraph tags and document.
1281         (lto_output_node): Use only LTO_cgraph_unavail_node and
1282         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1283         for_functions_valid, global info, process and output flags.
1284         (input_overwrite_node): Initialize estimated stack size and
1285         estimated growth.  Do not read flags we no longer store.
1286         (input_node): Likewise do not read info no longer stored.
1287         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1288         flag.
1289
1290 2010-04-30  Richard Guenther  <rguenther@suse.de>
1291
1292         PR tree-optimization/43879
1293         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1294         handle non-zero initializers.
1295
1296 2010-04-30  Richard Guenther  <rguenther@suse.de>
1297
1298         * builtins.c (fold_builtin_1): Delete free (0).
1299
1300 2010-04-29  Jan Hubicka  <jh@suse.cz>
1301
1302         * gengtype.c (open_base_files): Add lto-streamer.h
1303         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1304         (pass_ipa_cp): GGC collect.
1305         * toplev. (compile_file): Do not output symbols.
1306         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1307         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1308         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1309         * lto-section-in.c: Include ggc.h
1310         (lto_new_in_decl_state): Alloc in GGC.
1311         (lto_delete_in_decl_state): Likewise.
1312         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1313         Collect.
1314
1315 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1316
1317         PR target/42895
1318         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1319         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1320         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1321         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1322         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1323         account only if HONOR_REG_ALLOC_ORDER is not defined.
1324         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1325         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1326
1327 2010-04-29  Jon Grant  <04@jguk.org>
1328
1329         * collect2.c (vflag): Change type from int to bool.
1330         (debug): Likewise.
1331         (helpflag): New global bool.
1332         (main): Set vflag and debug with boolean, not integer truth values.
1333         Accept new "--help" option and output usage text if found.
1334         * collect2.h (vflag): Update prototype.
1335         (debug): Likewise.
1336
1337 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1338
1339         PR bootstrap/43936
1340         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1341
1342 2010-04-29  Richard Guenther  <rguenther@suse.de>
1343
1344         PR bootstrap/43935
1345         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1346         with ATTRIBUTE_UNUSED.
1347
1348 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1349
1350         PR target/43921
1351         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1352         INSN_P with NONDEBUG_INSN_P.
1353         (distance_non_agu_define): Likewise.
1354         (distance_agu_use): Likewise.
1355
1356 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1357
1358         From Dominique d'Humieres <dominiq@lps.ens.fr>
1359         PR bootstrap/43858
1360         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1361         test_set.
1362
1363 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1364
1365         * plugin.h (invoke_plugin_callbacks): New inline function.
1366         * plugin.c (flag_plugin_added): New global flag.
1367         (add_new_plugin): Initialize above flag.
1368         (invoke_plugin_callbacks): Rename to ...
1369         (invoke_plugin_callbacks_full): ... this.
1370
1371 2010-04-28  Jan Hubicka  <jh@suse.cz>
1372
1373         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1374         (lto_varpool_replace_node): New.
1375         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1376         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1377         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1378         * cgraph.h (varpool_node_ptr): New type.
1379         (varpool_node_ptr): New vector.
1380         (varpool_node_set_def): New structure.
1381         (varpool_node_set): New type.
1382         (varpool_node_set): New vector.
1383         (varpool_node_set_element_def): New structure.
1384         (varpool_node_set_element, const_varpool_node_set_element): New types.
1385         (varpool_node_set_iterator): New type.
1386         (varpool_node): Add prev pointers, add used_from_other_partition,
1387         in_other_partition.
1388         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1389         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1390         varpool_get_node, varpool_remove_node): Declare.
1391         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1392         varpool_node_set_size): New inlines.
1393         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1394         * tree-pass.h (varpool_node_set_def): Forward declare.
1395         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1396         (ipa_write_optimization_summaries): Update prototype.
1397         * ipa-cp.c (ipcp_write_summary): Update.
1398         * ipa-reference.c (ipa_reference_write_summary): Update.
1399         * lto-cgraph.c (lto_output_varpool_node): New static function.
1400         (output_varpool): New function.
1401         (input_varpool_node): New static function.
1402         (input_varpool_1): New function.
1403         (input_cgraph): Input varpool.
1404         * ipa-pure-const.c (pure_const_write_summary): Update.
1405         * lto-streamer-out.c (lto_output): Update, output varpool too.
1406         (write_global_stream): Kill WPA hack.
1407         (produce_asm_for_decls): Update.
1408         (output_alias_pair_p): Handle variables.
1409         (output_unreferenced_globals): Output only needed partition of varpool.
1410         * ipa-inline.c (inline_write_summary): Update.
1411         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1412         cgraph.
1413         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1414         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1415         varpool_node_set_new, varpool_node_set_add,
1416         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1417         debug_varpool_node_set): New functions.
1418         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1419         (execute_one_pass): Process new decls too.
1420         (ipa_write_summaries_2): Pass around vsets.
1421         (ipa_write_summaries_1): Likewise.
1422         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1423         to add.
1424         (ipa_write_optimization_summaries_1): Pass around vsets.
1425         (ipa_write_optimization_summaries): Likewise.
1426         * varpool.c (varpool_get_node): New.
1427         (varpool_node): Update doubly linked lists.
1428         (varpool_remove_node): New.
1429         (dump_varpool_node): More dumping.
1430         (varpool_enqueue_needed_node): Update doubly linked lists.
1431         (decide_is_variable_needed): Kill ltrans hack.
1432         (varpool_finalize_decl): Kill lto hack.
1433         (varpool_assemble_decl): Skip decls in other partitions.
1434         (varpool_assemble_pending_decls): Update doubly linkes lists.
1435         (varpool_empty_needed_queue): Likewise.
1436         (varpool_extra_name_alias): Likewise.
1437         * lto-streamer.c (lto_get_section_name): Add vars section.
1438         * lto-streamer.h (lto_section_type): Update.
1439         (output_varpool, input_varpool): Declare.
1440
1441 2010-04-28  Mike Stump  <mikestump@comcast.net>
1442
1443         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1444
1445 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1446
1447         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1448         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1449         (lto_input_ts_type_tree_pointers): Likewise.
1450         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1451         (lto_output_ts_type_tree_pointers): Likewise.
1452
1453 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1454
1455         Uniquization of constants at the Tree level
1456         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1457         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1458         bit to the end.
1459         (tree_output_constant_def): Declare.
1460         * gimplify.c (gimplify_init_constructor): When using block copy, first
1461         uniquize the constant constructor on the RHS.
1462         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1463         DECL_IN_CONSTANT_POOL flag.
1464         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1465         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1466         constant pool.
1467         (assemble_variable): Deal with symbols belonging to the tree constant
1468         pool.
1469         (get_constant_section): Add ALIGN parameter and simplify.
1470         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1471         (assemble_constant_contents): Use the expression of the VAR_DECL.
1472         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1473         (tree_output_constant_def): New global function.
1474         (mark_constant): Use the expression of the VAR_DECL.
1475         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1476         its expression.
1477         (output_object_block): Likewise and assemble the expression.
1478
1479 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1480
1481         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1482         hash_tree, eq_tree): New tree hash table.
1483         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1484         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1485         lto_orig_address_remove): Reimplement.
1486
1487 2010-04-28  Xinliang David Li  <davidxl@google.com>
1488
1489         PR c/42643
1490         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1491         (compute_uninit_opnds_pos): New function.
1492         (is_non_loop_exit_postdominating): New function.
1493         (compute_control_dep_chain): New function.
1494         (find_pdom): New function.
1495         (convert_control_dep_chain_into_preds): New function.
1496         (find_predicates): New function.
1497         (find_control_equiv_block): New function.
1498         (collect_phi_def_edges): New function.
1499         (find_def_preds): New function.
1500         (find_dom): New function.
1501         (dump_predicates): New function.
1502         (get_cmp_code): New function.
1503         (is_value_included_in): New function.
1504         (find_matching_predicate_in_rest_chains): New function.
1505         (use_pred_not_overlap_with_undef_path_pred): New function.
1506         (is_use_properly_guarded): New function.
1507         (normalize_cond_1): New function.
1508         (is_and_or_or): New function.
1509         (normalize_cond): New function.
1510         (is_gcond_subset_of): New function.
1511         (is_subset_of_any): New function.
1512         (is_or_set_subset_of): New function.
1513         (is_and_set_subset_of): New function.
1514         (is_norm_cond_subset_of): New function.
1515         (is_pred_expr_subset_of): New function.
1516         (is_pred_chain_subset_of): New function.
1517         (is_included_in): New function.
1518         (is_superset_of): New function.
1519         (find_uninit_use): New function.
1520         (warn_uninitialized_phi): New function.
1521         (compute_possibly_undefined_names): New function.
1522         (ssa_undefined_value_p): New function.
1523         (execute_late_warn_uninitialized): New function.
1524         * tree-ssa.c (ssa_undefined_value_p): Removed.
1525         (warn_uninit): Changed to extern.
1526         (warn_uninitialized_phi): Removed.
1527         (warn_uninitialized_vars): Changed to extern.
1528         (execute_late_warn_uninitialized): Removed
1529         * tree-flow.h: Add new prototypes.
1530         * timevar.def: Add new time variable.
1531         * Makefile.in: Add new build file.
1532
1533 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1534
1535         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1536         type if available.
1537
1538 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1539
1540         PR target/22224
1541         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1542
1543 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1544
1545         * cgraph.h (struct cgraph_node): New field indirect_calls.
1546         (struct cgraph_indirect_call_info): New type.
1547         (struct cgraph_edge): Removed field indirect_call. New fields
1548         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1549         (cgraph_create_indirect_edge): Declare.
1550         (cgraph_make_edge_direct): Likewise.
1551         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1552         * ipa-prop.h (struct ipa_param_call_note): Removed.
1553         (struct ipa_node_params): Removed field param_calls.
1554         (ipa_create_all_structures_for_iinln): Declare.
1555         * cgraph.c: Described indirect edges and uids in initial comment.
1556         (cgraph_add_edge_to_call_site_hash): New function.
1557         (cgraph_edge): Search also among the indirect edges, use
1558         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1559         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1560         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1561         site hash.
1562         (initialize_inline_failed): Assign a reason to indirect edges.
1563         (cgraph_create_edge_1): New function.
1564         (cgraph_create_edge): Moved some functionality to
1565         cgraph_create_edge_1.
1566         (cgraph_create_indirect_edge): New function.
1567         (cgraph_edge_remove_callee): Add an assert checking for
1568         non-indirectness.
1569         (cgraph_edge_remove_caller): Special-case indirect edges.
1570         (cgraph_remove_edge): Likewise.
1571         (cgraph_set_edge_callee): New function.
1572         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1573         (cgraph_make_edge_direct): New function.
1574         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1575         the declaration of the call statement matches.
1576         (cgraph_node_remove_callees): Special-case indirect edges.
1577         (cgraph_clone_edge): Likewise.
1578         (cgraph_clone_node): Clone also the indirect edges.
1579         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1580         indirect_call, dump count of indirect_calls edges.
1581         * ipa-prop.c (iinlining_processed_edges): New variable.
1582         (ipa_note_param_call): Create indirect edges instead of
1583         creating notes.  New parameter node.
1584         (ipa_analyze_call_uses): New parameter node, pass it on to
1585         ipa_note_param_call.
1586         (ipa_analyze_stmt_uses): Likewise.
1587         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1588         (print_edge_addition_message): Work on edges rather than on notes.
1589         (update_call_notes_after_inlining): Likewise, renamed to
1590         update_indirect_edges_after_inlining.
1591         (ipa_create_all_structures_for_iinln): New function.
1592         (ipa_free_node_params_substructures): Do not free notes.
1593         (ipa_edge_duplication_hook): Propagate bits within
1594         iinlining_processed_edges bitmap.
1595         (ipa_node_duplication_hook): Do not duplicate notes.
1596         (free_all_ipa_structures_after_ipa_cp): Renamed to
1597         ipa_free_all_structures_after_ipa_cp.
1598         (free_all_ipa_structures_after_iinln): Renamed to
1599         ipa_free_all_structures_after_iinln.
1600         (ipa_write_param_call_note): Removed.
1601         (ipa_read_param_call_note): Removed.
1602         (ipa_write_indirect_edge_info): New function.
1603         (ipa_read_indirect_edge_info): Likewise.
1604         (ipa_write_node_info): Do not stream notes, do stream information
1605         in indirect edges.
1606         (ipa_read_node_info): Likewise.
1607         (lto_ipa_fixup_call_notes): Removed.
1608         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1609         * ipa-inline.c (pass_ipa_inline): Likewise.
1610         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1611         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1612         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1613         is_gimple_call.
1614         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1615         edges.
1616         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1617         (output_cgraph): Stream also indirect edges.
1618         (lto_output_edge): Added capability to stream indirect edges.
1619         (input_edge): Likewise.
1620         (input_cgraph_1): Likewise.
1621         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1622         of indirect edges.
1623
1624 2010-04-28  Richard Guenther  <rguenther@suse.de>
1625
1626         PR tree-optimization/43879
1627         PR tree-optimization/43909
1628         * tree-ssa-structalias.c (struct variable_info): Add
1629         only_restrict_pointers flag.
1630         (new_var_info): Initialize it.  Increment stats.total_vars here.
1631         (create_function_info_for): Do not increment stats.total_vars here.
1632         (get_function_part_constraint): Fix build with C++.
1633         (insert_into_field_list): Remove.
1634         (push_fields_onto_fieldstack): Properly merge fields.
1635         (create_variable_info_for): Split and simplify.
1636         (create_variable_info_for_1): New piece.
1637         (intra_create_variable_infos): Properly make restrict constraints
1638         from parameters.
1639
1640 2010-04-28  Richard Guenther  <rguenther@suse.de>
1641
1642         PR c++/43880
1643         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1644
1645 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1646             Jan Hubicka <hubicka@ucw.cz>
1647
1648         * doc/invoke.texi (-Wsuggest-attribute=const,
1649         -Wsuggest-attribute=pure): Document.
1650         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1651         (function_always_visible_to_compiler_p,
1652         suggest_attribute, warn_function_pure, warn_function_const):
1653         New functions.
1654         (check_call): Improve debug info.
1655         (analyze_function): Do not check availability.
1656         (add_new_function): Check availability.
1657         (propagate): Output warnings.
1658         (skip_function_for_local_pure_const): New function.
1659         (local_pure_const): Use it; output warnings.
1660         * common.opt (Wsuggest-attribute=const,
1661         Wsuggest-attribute=pure): New.
1662
1663 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1664
1665         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1666         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1667         or DW_CFA_def_cfa_offset{,_sf}.
1668
1669 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1670
1671         * tree.h: Fix truncated long macros.
1672
1673 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1674
1675         * collect2.c (TARGET_64BIT): Redefine to target's default.
1676         * tlink.c: Likewise.
1677         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1678         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1679         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1680         for underscoring __USER_LABEL_PREFIX__.
1681         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1682         (SUB_LINK_ENTRY32): New.
1683         (SUB_LINK_ENTRY64): New.
1684         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1685         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1686         (SUB_LINK_ENTRY64): New.
1687         (SUB_LINK_ENTRY): New.
1688         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1689         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1690         x64 target is choosen.
1691         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1692         * configure: Regenerated.
1693         * configure.ac (leading-mingw64-underscores): Option added.
1694
1695 2010-04-27  Jan Hubicka  <jh@suse.cz>
1696
1697         * doc/invoke.texi (-fipa-profile): Document.
1698         * opts.c (decode_options): Enable ipa-profile at -O1.
1699         * timevar.def (TV_IPA_PROFILE): Define.
1700         * common.opt (fipa-profile): Add.
1701         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1702         flag for clones.
1703         (cgraph_propagate_frequency): Handle only local ones.
1704         * tree-pass.h (pass_ipa_profile): Declare.
1705         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1706         (pass_ipa_profile): Use TV_IPA_PROFILE.
1707         * ipa.c (ipa_profile): New function.
1708         (gate_ipa_profile): Likewise.
1709         (pass_ipa_profile): New global variable.
1710         * passes.c (pass_ipa_profile): New.
1711
1712 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1713
1714         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1715
1716 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1717
1718         PR middle-end/43812
1719         * ipa.c (dissolve_same_comdat_group_list): New function.
1720         (function_and_variable_visibility): Call
1721         dissolve_same_comdat_group_list when comdat group contains external or
1722         newly local nodes.
1723         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1724         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1725
1726 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1727
1728         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1729         (const_hash_1) <VECTOR_CST>: New case.
1730         (compare_constant) <VECTOR_CST>: Likewise.
1731         <ADDR_EXPR>: Deal with LABEL_REFs.
1732         (copy_constant) <VECTOR_CST>: New case.
1733
1734 2010-04-27  Jan Hubicka  <jh@suse.cz>
1735
1736         * cgraph.c (cgraph_propagate_frequency): New function.
1737         * cgraph.h (cgraph_propagate_frequency): Declare.
1738         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1739         cgraph_propagate_frequency.
1740
1741 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1742
1743         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1744
1745 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1746
1747         PR target/40657
1748         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1749         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1750         here to determine which regs to push and how much stack to reserve.
1751
1752 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1753
1754         * doc/gimple.texi (gimple_statement_with_ops): Remove
1755         addresses_taken field.
1756         (gimple_statement_with_memory_ops): Likewise.
1757
1758 2010-04-27  Jan Hubicka  <jh@suse.cz>
1759
1760         * tree-inline.c (eni_inlining_weights): Remove.
1761         (estimate_num_insns): Special case more builtins.
1762
1763 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1764
1765         PR c/32207
1766         * c-typeck.c (build_binary_op): Move forward check for comparison
1767         pointer with null pointer constant and adjust the diagnostic message.
1768
1769 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1770
1771         PR lto/42776
1772         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1773         binutils supports extended .section directive needed by LTO, or
1774         warn if older binutils found.
1775         (LTO_BINARY_READER): New AC_SUBST'd variable.
1776         (LTO_USE_LIBELF): Likewise.
1777         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1778         variable.
1779         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1780         (LTO_USE_LIBELF): Likewise.
1781         * configure: Regenerate.
1782
1783         * collect2.c (is_elf): Rename from this ...
1784         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1785          object files in addition to ELF-formatted ones.
1786         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1787         symbol to be prefixed or not by an extra underscore.
1788
1789         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1790         * config/i386/winnt.c: Also #include lto-streamer.h
1791         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1792         LTO named sections.
1793         (i386_pe_asm_output_aligned_decl_common): Add comment.
1794         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1795
1796 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1797
1798         PR target/43889
1799         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1800         Add missing earlyclobber for second alternative.
1801
1802 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1803
1804         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1805         bits for artificial defs at the top of the block.
1806         * fwprop.c (single_def_use_enter_block): Don't call it.
1807
1808 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1809
1810         PR 43715
1811         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1812         instead of "$gcc_cv_objdump -T".
1813         Use "-undefined dynamic_lookup" on darwin.
1814         * gcc/configure: Regenerate.
1815
1816 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1817
1818         PR c/43893
1819         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1820
1821 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1822
1823         * c-parser.c (struct c_token): Move location field up.
1824         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1825         (struct c_declspecs): Convert typespec_word, storage_class, and
1826         default_int_p into bitfields.
1827         (struct c_declarator): Move loc field up.
1828
1829 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1830
1831         * cfgloop.h (struct loop): Move can_be_parallel field up.
1832         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1833         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1834         down.
1835         (struct iv_cand): Convert pos field into a bitfield.
1836         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1837         field up.
1838         (struct _stmt_vec_info): Shuffle fields for better packing.
1839
1840 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1841
1842         * varasm.c (IN_NAMED_SECTION): Remove guard.
1843         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1844         (IN_NAMED_SECTION_P): ...this.
1845         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1846         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1847
1848 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1849
1850         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1851         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1852         of shadowing it.  Fix comments.
1853
1854 2010-04-26  Jan Hubicka  <jh@suse.cz>
1855
1856         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1857         (cgraph_clone_node): Copy function frequency.
1858         * cgraph.h (node_frequency): New enum
1859         (struct cgraph_node): Add.
1860         * final.c (rest_of_clean_state): Update.
1861         * lto-cgraph.c (lto_output_node): Output node frequency.
1862         (input_overwrite_node): Input node frequency.
1863         * tre-ssa-loop-ivopts (computation_cost): Update.
1864         * lto-streamer-out.c (output_function): Do not output function
1865         frequency.
1866         * predict.c (maybe_hot_frequency_p): Update and handle functions
1867         executed once.
1868         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1869         attribute lookup.
1870         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1871         (compute_function_frequency): Set noreturn functions to be executed
1872         once.
1873         (choose_function_section): Update.
1874         * lto-streamer-in.c (input_function): Do not input function frequency.
1875         * function.c (allocate_struct_function): Do not initialize function
1876         frequency.
1877         * function.h (function_frequency): Remove.
1878         (struct function): Remove function frequency.
1879         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1880         (try_update): Update.
1881         * tree-inline.c (initialize_cfun): Do not update function frequency.
1882         * passes.c (pass_init_dump_file): Update.
1883         * i386.c (ix86_compute_frame_layout): Update.
1884         (ix86_pad_returns): Update.
1885
1886 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1887
1888         PR tree-optimization/43833
1889         * tree-vrp.c (range_int_cst_p): New.
1890         (range_int_cst_singleton_p): New.
1891         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1892         when both operands are constants.  Use range_int_cst_p in
1893         BIT_IOR_EXPR case.
1894
1895 2010-04-26  Jan Hubicka  <jh@suse.cz>
1896
1897         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1898
1899 2010-04-26  Richard Guenther  <rguenther@suse.de>
1900
1901         PR lto/43080
1902         * gimple.c (gimple_decl_printable_name): Deal gracefully
1903         with a NULL DECL_NAME.
1904
1905 2010-04-26  Richard Guenther  <rguenther@suse.de>
1906
1907         PR lto/42425
1908         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1909         if emitting debug information and it is either a function
1910         or a namespace decl.
1911
1912 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1913
1914         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1915         determine if the statement is vectorizable, and a macro to access it.
1916         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1917         Skip statements that can't be vectorized. If the analysis fails,
1918         mark the statement as unvectorizable if vectorizing basic block.
1919         (vect_compute_data_refs_alignment): Likewise.
1920         (vect_verify_datarefs_alignment): Skip statements marked as
1921         unvectorizable. Add print.
1922         (vect_analyze_group_access): Skip statements that can't be
1923         vectorized. If the analysis fails, mark the statement as
1924         unvectorizable if vectorizing basic block.
1925         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1926         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1927         generated stmts for SLP.
1928         (new_stmt_vec_info): Initialize the new field.
1929         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1930         statements marked as unvectorizable.
1931
1932 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1933
1934         * c-common.c (flag_isoc1x): New.
1935         (flag_isoc99): Update comment.
1936         * c-common.h (flag_isoc1x): New.
1937         (flag_isoc99): Update comment.
1938         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1939         __<type>_DECIMAL_DIG__.
1940         * c-opts.c (set_std_c1x): New.
1941         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1942         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1943         * c.opt (-std=c1x, -std=gnu1x): New options.
1944         * doc/cpp.texi: Mention -std=c1x.
1945         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1946         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1947         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1948         * doc/standards.texi: Mention C1X.
1949         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1950         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1951         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1952         Define for C1X.
1953
1954 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1955
1956         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1957         placeholder from 0x%x to %#x.
1958         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1959         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1960         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1961         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1962         * config/i386/i386.c (ix86_target_string): Ditto.
1963         (output_pic_addr_const): Ditto.
1964         (print_operand): Ditto.
1965
1966 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1967
1968         * combine.c (find_split_point): Add third argument.  Use it
1969         to find nested multiply-accumulate instructions.  Adjust calls.
1970         (try_combine): Adjust call to find_split_point.
1971
1972 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1973
1974         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1975
1976 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1977
1978         PR tree-optimization/41442
1979         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1980         (fold_binary_loc): Call it.
1981
1982 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1983
1984         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1985         * opts.c (common_handle_option): Allow disabling it.
1986         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1987
1988 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1989
1990         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1991         between modes if both types are integral.
1992
1993 2010-04-23  Richard Guenther  <rguenther@suse.de>
1994
1995         PR tree-optimization/43572
1996         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1997
1998 2010-04-23  Richard Guenther  <rguenther@suse.de>
1999
2000         PR lto/43455
2001         * tree-inline.c (tree_can_inline_p): Also check compatibility
2002         of return types.
2003
2004 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2005
2006         PR tree-optimization/43846
2007         * tree-sra.c (struct access): New flag grp_assignment_read.
2008         (build_accesses_from_assign): Set grp_assignment_read.
2009         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
2010         (enum mark_read_status): New type.
2011         (analyze_access_subtree): Propagate grp_assignment_read, create
2012         accesses also if both direct_read and root->grp_assignment_read.
2013
2014 2010-04-23  Martin Jambor  <mjambor@suse.cz>
2015
2016         PR middle-end/43835
2017         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
2018         function does not have type attributes.
2019
2020 2010-04-23  Richard Guenther  <rguenther@suse.de>
2021
2022         PR lto/42653
2023         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
2024         of FUNCTION_DECLs.
2025
2026 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2027
2028         * sese.h (create_if_region_on_edge): Remove.
2029
2030         * sese.c (create_if_region_on_edge): Make static.
2031
2032         * tree-inline.c: Do not include ggc.h.
2033
2034         * expr.c: Do not include ggc.h.
2035
2036         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
2037         dependencies.
2038
2039 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
2040
2041         PR target/43744
2042         * config/sh/sh.c (find_barrier): Don't emit a constant pool
2043         in the middle of insns for casesi_worker_2.
2044
2045 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
2046
2047         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
2048
2049 2010-04-22  Ira Rosen  <irar@il.ibm.com>
2050
2051         PR tree-optimization/43842
2052         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
2053         loop unrolling in update of exit phis. Fix comment.
2054         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
2055         least two reduction statements in the loop before starting SLP
2056         analysis.
2057
2058 2010-04-22  Nick Clifton  <nickc@redhat.com>
2059
2060         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
2061
2062 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
2063
2064         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
2065         to simplify a + ~a.
2066
2067 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2068
2069         * tree-parloops.c (loop_parallel_p): New argument
2070         parloop_obstack.  Pass it down.
2071         (parallelize_loops): New variable parloop_obstack.  Initialize it,
2072         pass it down, free it.
2073
2074         * tree-loop-linear.c (linear_transform_loops): Pass down
2075         lambda_obstack.
2076
2077         * tree-data-ref.h (lambda_compute_access_matrices): New argument
2078         of type struct obstack *.
2079
2080         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
2081         scratch_obstack.  Initialize it, pass down, free it.
2082
2083         * lambda.h (lambda_loop_new): Remove.
2084         (lambda_matrix_new, lambda_matrix_inverse)
2085         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
2086         argument of type struct obstack *.
2087
2088         * lambda-trans.c (lambda_trans_matrix_new): New argument
2089         lambda_obstack.  Pass it down, use obstack allocation for ret.
2090         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
2091         it down.
2092
2093         * lambda-mat.c (lambda_matrix_get_column)
2094         (lambda_matrix_project_to_null): Remove.
2095         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
2096         allocation for mat.
2097         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
2098         lambda_obstack.
2099
2100         * lambda-code.c (lambda_loop_new): New function.
2101         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2102         (lambda_compute_auxillary_space, lambda_compute_target_space)
2103         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2104         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2105         (build_access_matrix): New argument lambda_obstack.  Use obstack
2106         allocation for am.
2107         (lambda_compute_step_signs, lambda_compute_access_matrices): New
2108         argument lambda_obstack.  Pass it down.
2109
2110 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2111
2112         * optabs.h (expand_widening_mult): Declare.
2113
2114 2010-04-22  Richard Guenther  <rguenther@suse.de>
2115
2116         PR tree-optimization/43845
2117         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2118         lookup the CALL_EXPR function and arguments.
2119
2120 2010-04-22  Nick Clifton  <nickc@redhat.com>
2121
2122         * config/stormy16/stormy16.c
2123         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2124         * config/stormy16/stormy16.h: Tidy up formatting.
2125         (DONT_USE_BUILTIN_SETJMP): Remove definition.
2126         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2127         (ineqbranchsi): Delete pattern.
2128         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2129         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2130         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2131         stormy16-lib2-ucmpsi2.c.
2132
2133 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2134
2135         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2136         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2137         extra set merge_set_noclobber, and use it to relax the final test
2138         slightly.
2139         * df.h (df_simulate_find_noclobber_defs): Declare.
2140         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2141         conditional defs.
2142         (df_simulate_find_noclobber_defs): New function.
2143
2144 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2145
2146         * config/i386/i386.md: Use {} around multi-line preparation statements.
2147
2148 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2149
2150         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2151         (process_init_element): New argument of type struct obstack *.
2152
2153         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2154         (set_init_index, set_init_label, set_nonincremental_init)
2155         (set_nonincremental_init_from_string, find_init_member)
2156         (output_init_element, output_pending_init_elements)
2157         (process_init_element): New argument braced_init_obstack.  Pass it
2158         down.
2159         (push_range_stack, add_pending_init): New argument
2160         braced_init_obstack.  Use obstack allocation.
2161
2162         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2163         braced_init_obstack.  Pass it down.
2164         (c_parser_braced_init): New variables ret, braced_init_obstack.
2165         Initialize obstack, pass it down and finally free it.
2166
2167 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2168
2169         PR middle-end/29274
2170         * tree-pass.h (pass_optimize_widening_mul): Declare.
2171         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2172         gate_optimize_widening_mul): New static functions.
2173         (pass_optimize_widening_mul): New.
2174         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2175         <case MULT_EXPR>: Remove support for widening multiplies.
2176         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2177         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2178         simplify_gen_unary rather than directly building extensions.
2179         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2180         WIDEN_MULT_EXPR.
2181         * expmed.c (expand_widening_mult): New function.
2182         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2183
2184 2010-04-21  Jan Hubicka  <jh@suse.cz>
2185
2186         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2187         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2188         * lto-wpa-fixup.c: Remove.
2189         * Makefile.in (lto-wpa-fixup.o): Remove.
2190         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2191         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2192         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2193
2194 2010-04-21  Jan Hubicka  <jh@suse.cz>
2195
2196         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2197         add write_optimization_summary, read_optimization_summary.
2198         (ipa_write_summaries_of_cgraph_node_set): Remove.
2199         (ipa_write_optimization_summaries): Declare.
2200         (ipa_read_optimization_summaries): Declare.
2201         * ipa-cp.c (pass_ipa_cp): Update.
2202         * ipa-reference.c (pass_ipa_reference): Update.
2203         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2204         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2205         Update.
2206         * ipa-inline.c (pass_ipa_inline): Update.
2207         * ipa.c (pass_ipa_whole_program): Update.
2208         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2209         * passes.c (ipa_write_summaries_1): Do not test wpa.
2210         (ipa_write_optimization_summaries_1): New.
2211         (ipa_write_optimization_summaries): New.
2212         (ipa_read_summaries): Do not test ltrans.
2213         (ipa_read_optimization_summaries_1): New.
2214         (ipa_read_optimization_summaries): New.
2215
2216 2010-04-21  Jan Hubicka  <jh@suse.cz>
2217
2218         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2219         for boundary nodes.
2220         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2221
2222 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2223
2224         PR debug/40040
2225         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2226         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2227
2228 2010-04-21  Jan Hubicka  <jh@suse.cz>
2229
2230         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2231
2232 2010-04-21  Jan Hubicka  <jh@suse.cz>
2233
2234         * varpool.c (decide_is_variable_needed): Variable is always needed
2235         during ltrans.
2236
2237 2010-04-21  Jan Hubicka  <jh@suse.cz>
2238
2239         * opts.c (decode_options): Enable pure-const pass for whopr.
2240
2241 2010-04-21  Jan Hubicka  <jh@suse.cz>
2242
2243         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2244         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2245         at WPA dumping.
2246         (cgraph_decide_inlining): Do not expect callee to be removed in all
2247         cases.
2248
2249 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2250
2251         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2252
2253 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2254
2255         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2256         amdfam10_decode attributes.
2257
2258 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2259
2260         PR middle-end/43570
2261         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2262         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2263         (lower_copyprivate_clauses): Use private var in outer
2264         context instead of original var.  Make sure the types
2265         are correct for VLAs.
2266
2267 2010-04-21  Richard Guenther  <rguenther@suse.de>
2268
2269         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2270         to non-pointer objects.
2271
2272 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2273
2274         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2275         last chain entry if it starts with the still current label.
2276         (add_location_or_const_value_attribute): Check that
2277         loc_list->first->next is NULL instead of comparing ->first with ->last.
2278         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2279         to add_var_loc_to_decl.
2280
2281         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2282         >= 4 add also address size and segment size fields into CIE header.
2283
2284         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2285         long as address size is the same as sizeof (void *) and
2286         segment size is 0.
2287         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2288         address size or segment size is unexpected, return DW_EH_PE_omit.
2289         (classify_object_over_fdes): If get_cie_encoding returned
2290         DW_EH_PE_omit, return -1.
2291         (init_object): If classify_object_over_fdes returned -1,
2292         pretend there were no FDEs at all.
2293
2294 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2295
2296         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2297         bswap{si,di}2 using SWI48 mode iterator.
2298         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2299         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2300         set modrm attribute of bswap insn to 0 and remove length attribute.
2301         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2302         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2303         set mode attribute to <MODE> and remove length attribute.
2304
2305 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2306
2307         PR rtl-optimization/43520
2308         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2309         zero available registers.
2310
2311 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2312
2313         * builtins.c (fold_builtin_cproj): Fold more cases.
2314
2315 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2316
2317         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2318         (fold_builtin_1): Fold builtin cproj.
2319         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2320         Use ATTR_CONST_NOTHROW_LIST.
2321
2322 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2323
2324         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2325         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2326         ffsi2_no_cmove for !TARGET_CMOVE.
2327         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2328         (ffssi2): Remove expander.
2329         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2330         mode iterator.
2331         (ctz<mode>2): Ditto from ctz{si,di}2.
2332         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2333         mode iterator.
2334         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2335         mode iterator.
2336
2337 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2338
2339         * dwarf2out.c (AT_linkage_name): Define.
2340         (clone_as_declaration): Handle DW_AT_linkage_name.
2341         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2342         of DW_AT_MIPS_linkage_name.
2343         (move_linkage_attr): Likewise.
2344         (dwarf2out_finish): Likewise.
2345
2346 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2347
2348         PR middle-end/41952
2349         * fold-const.c (fold_comparison): New folding rule.
2350
2351 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2352
2353         * double-int.h (double_int_setbit): Declare.
2354         * double-int.c (double_int_setbit): New function.
2355         * rtl.h (immed_double_int_const): Declare.
2356         * emit-rtl.c (immed_double_int_const): New function.
2357         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2358         and immed_double_int_const functions.
2359         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2360         expand_copysign_bit):  (Ditto.).
2361         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2362         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2363         * dojump.c (prefer_and_bit_test): (Ditto.).
2364         * expr.c (convert_modes, reduce_to_bit_field_precision,
2365         const_vector_from_tree): (Ditto.).
2366         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2367
2368 2010-04-20  Jan Hubicka  <jh@suse.cz>
2369
2370         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2371         (dump_cgraph_node): Dump new flags.
2372         * cgraph.h (struct cgraph_node): Add flags
2373         reachable_from_other_partition and in_other_partition.
2374         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2375         other partition can not be removed.
2376         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2377         the other partition must be output; silence sanity checking on
2378         leaking functions bodies from other paritition.
2379         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2380         (lto_output_node): Output new flags; do not sanity check that inline
2381         clones are output; drop lto_forced_extern_inline_p code; do not mock
2382         visibility flags at partition boundaries.
2383         (add_node_to): New function.
2384         (output_cgraph): Use it to sort functions so masters appear before
2385         clones.
2386         (input_overwrite_node): Input new flags.
2387         * passes.c (ipa_write_summaries): Do not call
2388         lto_new_extern_inline_states.
2389         * lto-section-out.c (forced_extern_inline,
2390         lto_new_extern_inline_states lto_delete_extern_inline_states,
2391         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2392         * lto-streamer.h (lto_new_extern_inline_states,
2393         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2394         lto_forced_extern_inline_p): Kill.
2395
2396 2010-04-20  Richard Guenther  <rguenther@suse.de>
2397
2398         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2399         from vars that can have pointers.
2400         (process_constraint): Dump useless constraints.
2401
2402 2010-04-20  Richard Guenther  <rguenther@suse.de>
2403
2404         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2405         (dump_sa_points_to_info): Remove asserts.
2406         (init_base_vars): nothing_id isn't an escape point nor does it
2407         have pointers.
2408
2409 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2410
2411         * tree.h (TYPE_REF_IS_RVALUE): Define.
2412         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2413         should_move_die_to_comdat, prune_unused_types_walk): Handle
2414         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2415         (modified_type_die, gen_reference_type_die): Emit
2416         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2417         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2418
2419 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2420
2421         PR target/43635
2422         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2423         calls for -fpic -m31 if they have been sibcall optimized.
2424
2425 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2426
2427         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2428         ar.lc fixed and call-used.
2429
2430         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2431
2432 2010-04-19  Jan Hubicka  <jh@suse.cz>
2433
2434         * opts.c (decode_options): Disable whpr incompatible passes.
2435         * lto/lto.c (lto_1_to_1_map): Skip clones.
2436         (read_cgraph_and_symbols): Do not mark everything as needed.
2437         (do_whole_program_analysis): Do map only after optimizing;
2438         set proper cgraph_state; use passmanager.
2439
2440 2010-04-19  DJ Delorie  <dj@redhat.com>
2441
2442         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2443         POINTER_PLUS_EXPR and fix them.
2444
2445 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2446
2447         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2448         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2449         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2450         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2451         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2452         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2453         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2454         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2455         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2456         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2457         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2458
2459 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2460
2461         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2462         (check_cond_move_block): Likewise.
2463         (cond_move_process_if_block): Likewise.
2464         (noce_find_if_block): Improve formatting.
2465         (find_if_header): Pass 0 to memset and tweak conditions.
2466         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2467
2468 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2469
2470         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2471         for -gdwarf-4.
2472
2473         PR middle-end/43337
2474         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2475         with non-local decl doesn't need chain.
2476
2477 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2478
2479         * ira-color.c (allocno_reload_assign): Avoid accumulating
2480         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2481
2482 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2483
2484         * gimple.h (create_tmp_reg): Declare.
2485         * gimplify.c (create_tmp_reg): New function.
2486         (gimplify_return_expr): Use create_tmp_reg.
2487         (gimplify_omp_atomic): Likewise.
2488         (gimple_regimplify_operands): Likewise.
2489         * tree-dfa.c (make_rename_temp): Likewise.
2490         * tree-predcom.c (predcom_tmp_var): Likewise.
2491         (reassociate_to_the_same_stmt): Likewise.
2492         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2493         (get_replaced_param_substitute): Likewise.
2494         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2495         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2496         * tree-ssa-pre.c (get_representative_for): Likewise.
2497         (create_expression_by_pieces): Likewise.
2498         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2499         (create_tailcall_accumulator): Likewise.
2500
2501 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2502
2503         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2504         new_stmt.
2505         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2506
2507 2010-04-19  Richard Guenther  <rguenther@suse.de>
2508
2509         PR tree-optimization/43796
2510         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2511         from SCEV in the lattice.
2512         (vrp_visit_phi_node): Dump change.
2513
2514 2010-04-19  Richard Guenther  <rguenther@suse.de>
2515
2516         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2517         * configure: Re-generated.
2518
2519 2010-04-19  Richard Guenther  <rguenther@suse.de>
2520
2521         PR tree-optimization/43783
2522         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2523         constant ARRAY_REF operands two and three if possible.
2524
2525 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2526
2527         PR target/43766
2528         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2529
2530 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2531
2532         PR target/43662
2533         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2534
2535 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2536
2537         PR tree-optimization/37027
2538         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2539         and macro to access it.
2540         (vectorizable_reduction): Add argument.
2541         (vect_get_slp_defs): Likewise.
2542         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2543         statements for possible use in SLP.
2544         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2545         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2546         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2547         add new argument.
2548         (vectorizable_reduction): Likewise.
2549         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2550         vect_get_slp_defs.
2551         (vectorizable_type_demotion, vectorizable_type_promotion,
2552         vectorizable_store): Likewise.
2553         (vect_analyze_stmt): Update call to vectorizable_reduction.
2554         (vect_transform_stmt): Likewise.
2555         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2556         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2557         from different interleaving chains in same node.
2558         (vect_slp_rearrange_stmts): New function.
2559         (vect_supported_load_permutation_p): Allow load permutations for
2560         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2561         inside SLP nodes if necessary.
2562         (vect_analyze_slp_instance): Handle reductions.
2563         (vect_analyze_slp): Try to build SLP instances originating from groups
2564         of reductions.
2565         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2566         (vect_get_constant_vectors): Create initial vectors for reductions
2567         according to reduction code. Add new argument.
2568         (vect_get_slp_defs): Add new argument, pass it to
2569         vect_get_constant_vectors.
2570         (vect_schedule_slp_instance): Remove SLP tree root statements.
2571
2572 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2573
2574         * tree.h (ENUM_IS_SCOPED): Define.
2575         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2576         for ENUM_IS_SCOPED enums.
2577
2578 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2579
2580         * fold-const.c (fold_comparison): Use ssizetype.
2581         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2582         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2583         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2584         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2585
2586         * tree.h (initialize_sizetypes): Remove parameter.
2587         (build_common_tree_nodes): Remove second parameter.
2588         * stor-layout.c (initialize_sizetypes): Remove parameter.
2589         Always create an unsigned type.
2590         (set_sizetype): Assert that the passed type is unsigned and simplify.
2591         * tree.c (build_common_tree_nodes): Remove second parameter.
2592         Adjust call to initialize_sizetypes.
2593         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2594         build_common_tree_nodes.
2595
2596 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2597
2598         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2599
2600 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2601
2602         PR tree-optimization/43771
2603         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2604         load permutation doesn't have gaps.
2605
2606 2010-04-18  Jan Hubicka  <jh@suse.cz>
2607
2608         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2609         (sse_prologue_save_insn expander): Use new pattern.
2610         (sse_prologue_save_insn1): New pattern and splitter.
2611         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2612         blocks.
2613         * i386.c (setup_incoming_varargs_64): Do not compute jump
2614         destination here.
2615         (ix86_gimplify_va_arg): Update alignment needed.
2616         (ix86_local_alignment): Do not align all local arrays to 128bit.
2617
2618 2010-04-17  Jan Hubicka  <jh@suse.cz>
2619
2620         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2621
2622 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2623
2624         * arm.md (negdi2): Remove redundant code to force values into a
2625         register.
2626
2627 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2628
2629         * arm/bpabi.S: Add EABI alignment attributes to objects.
2630         * arm/bpabi-v6m.S: Likewise.
2631         * arm/crti.asm: Likewise.
2632         * arm/crtn.asm: Likewise.
2633         * arm/lib1funcs.asm: Likewise.
2634         * arm/libunwind.S: Likewise.
2635
2636 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2637
2638         * arm-protos.h (tune_params): New structure.
2639         * arm.c (current_tune): New variable.
2640         (arm_constant_limit): Delete.
2641         (struct processors): Add pointer to the tune parameters.
2642         (arm_slowmul_tune): New tuning option.
2643         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2644         (all_cores): Adjust to pick up the tuning model.
2645         (arm_constant_limit): New function.
2646         (arm_override_options): Select the appropriate tuning model.  Delete
2647         initialization of arm_const_limit.
2648         (arm_split_constant): Use the new constant-limit model.
2649         (arm_rtx_costs): Pick up the current tuning model.
2650         * arm.md (is_strongarm, is_xscale): Delete.
2651         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2652         for Xscale variant architectures.
2653         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2654
2655 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2656
2657         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2658         can_shift.
2659         (arm_rtx_costs_1): Remove unused variable extra_cost.
2660         (arm_unwind_emit_set): Use variable offset.
2661         (thumb1_output_casesi): Remove unused variable flags.
2662
2663 2010-04-16  Jeff Law  <law@redhat.com>
2664
2665         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2666         needing assignment rather than doing a two-phase assignment.  Remove
2667         unused variable 'm'.
2668
2669 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2670
2671         PR bootstrap/43767
2672         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2673
2674 2010-04-16  Doug Kwan  <dougkwan@google.com>
2675
2676         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2677         (next_operand_entry_id): New static variable.
2678         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2679         (add_to_ops_vec): Assigned unique ID to operand entry.
2680         (struct oecount_s): New field ID.
2681         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2682         (undistribute_ops_list): Assign unique IDs to oecounts.
2683         (init_reassoc): reset next_operand_entry_id.
2684
2685 2010-04-16  Doug Kwan  <dougkwan@google.com>
2686
2687         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2688         missing left parenthesis.
2689
2690 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2691
2692         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2693         *btdi_rex64 using SWI48 mode iterator.
2694         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2695         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2696         *jcc_btdi_mask_rex64.
2697
2698 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2699
2700         * double-int.h (tree_to_double_int): Convert to macro.
2701         * double-int.c (tree_to_double_int): Remove.
2702
2703 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2704
2705         PR debug/43762
2706         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2707         with want_address 2 and in case a single element list might be
2708         possible, call it again with want_address 0.
2709
2710 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2711
2712         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2713         case 'W' print operands for HI mode.
2714         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2715         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2716         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2717         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2718
2719         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2720
2721         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2722         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2723         #xx:3 and #xx:4 mode.
2724
2725         * config/h8300/h8300.md (inverted load with HImode dest): Add
2726         support for H8300SX.
2727
2728         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2729         satisfy 'U' constraint.
2730
2731 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2732
2733         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2734         * configure: Regenerate.
2735         * config.in: Regenerate.
2736         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2737         works.
2738
2739 2010-04-16  Richard Guenther  <rguenther@suse.de>
2740
2741         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2742         (struct tree_decl_common): ... here.
2743         (DECL_PT_UID): Adjust.
2744         (SET_DECL_PT_UID): Likewise.
2745         (DECL_PT_UID_SET_P): Likewise.
2746
2747 2010-04-16  Richard Guenther  <rguenther@suse.de>
2748
2749         PR tree-optimization/43572
2750         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2751         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2752         * tree-flow.h (is_call_clobbered): Remove.
2753         * tree-flow-inline.h (is_call_clobbered): Likewise.
2754         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2755         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2756         (execute_return_slot_opt): Adjust.
2757         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2758         check for call clobbered vars here.
2759         (find_tail_calls): Move tailcall verification to the
2760         proper place.
2761
2762 2010-04-16  Diego Novillo  <dnovillo@google.com>
2763
2764         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2765
2766 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2767
2768         PR target/40603
2769         * config/arm/arm.md (cbranchqi4): New pattern.
2770         * config/arm/predicates.md (const0_operand,
2771         cbranchqi4_comparison_operator): New predicates.
2772
2773 2010-04-16  Richard Guenther  <rguenther@suse.de>
2774
2775         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2776         (dump_gimple_stmt): Likewise.
2777
2778 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2779
2780         * recog.h (struct recog_data): New field is_operator.
2781         (struct insn_operand_data): New field is_operator.
2782         * recog.c (extract_insn): Set recog_data.is_operator.
2783         * genoutput.c (output_operand_data): Emit code to set the
2784         is_operator field.
2785         * reload.c (find_reloads): Use it rather than testing for an
2786         empty constraint string.
2787
2788         PR target/41514
2789         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2790         If the previous insn is a cbranchsi4_insn with the same arguments,
2791         omit the compare instruction.
2792
2793         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2794         register, inputs must be low registers and we need a low register
2795         scratch.  Handle alternative 2 like alternative 3.
2796
2797 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2798
2799         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2800         don't call get_addr on both.  If one expression is a VALUE and
2801         the other a REG, check VALUE's locs if the REG isn't among them.
2802
2803 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2804
2805         * config/sh/sh.h (sh_frame_pointer_required): New function.
2806         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2807         (flag_omit_frame_pointer) Set.
2808         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2809         (rounded_frame_size): Adjust size with outgoing_args_size.
2810         (sh_set_return_address): Must return from stack pointer.
2811         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2812         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2813         (ACCUMULATE_OUTGOING_ARGS): Define.
2814         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2815         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2816
2817 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2818
2819         PR target/43471
2820         * config/sh/sh.c (sh_legitimize_reload_address): Use
2821         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2822         Remove a unneeded check for offset_base.
2823
2824 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2825
2826         * configure: Regenerated.
2827
2828 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2829
2830         * config/s390/s390.c (s390_call_save_register_used): Switch back
2831         to HARD_REGNO_NREGS.
2832
2833 2010-04-15  Richard Guenther  <rguenther@suse.de>
2834
2835         * alias.c (alias_set_subset_of): Handle alias-set zero
2836         child properly.
2837
2838 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2839             Julian Brown  <julian@codesourcery.com>
2840
2841         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2842         alternatives according to use of high and low regs.
2843         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2844         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2845         optimizing for size on Thumb-2.
2846
2847 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2848
2849         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2850
2851 2010-04-15  Richard Guenther  <rguenther@suse.de>
2852
2853         * tree-ssa-structalias.c (struct variable_info): Add
2854         is_fn_info flag.
2855         (new_var_info): Initialize it.
2856         (dump_constraints): Support printing last added constraints.
2857         (debug_constraints): Adjust.
2858         (dump_constraint_graph): Likewise.
2859         (make_heapvar_for): Check for NULL cfun.
2860         (get_function_part_constraint): New function.
2861         (get_fi_for_callee): Likewise.
2862         (find_func_aliases): Properly implement IPA PTA constraints.
2863         (process_ipa_clobber): New function.
2864         (find_func_clobbers): Likewise.
2865         (insert_into_field_list_sorted): Remove.
2866         (create_function_info_for): Properly allocate vars for IPA mode.
2867         Do not use insert_into_field_list_sorted.
2868         (create_variable_info_for): Properly generate constraints for
2869         global vars in IPA mode.
2870         (dump_solution_for_var): Always dump the solution.
2871         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2872         (find_what_var_points_to): Adjust.
2873         (pt_solution_set): Change.
2874         (pt_solution_ior_into): New function.
2875         (pt_solution_empty_p): Export.
2876         (pt_solution_includes_global): Adjust.
2877         (pt_solution_includes_1): Likewise.
2878         (pt_solutions_intersect_1): Likewise.
2879         (dump_sa_points_to_info): Check some invariants.
2880         (solve_constraints): Move constraint dumping ...
2881         (compute_points_to_sets): ... here.
2882         (ipa_pta_execute): ... and here.
2883         (compute_may_aliases): Do not re-compute points-to info
2884         locally if IPA info is available.
2885         (ipa_escaped_pt): New global var.
2886         (ipa_pta_execute): Properly implement IPA PTA.
2887         * tree-into-ssa.c (dump_decl_set): Support dumping
2888         decls not in referenced-vars.
2889         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2890         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2891         (dump_points_to_solution): Likewise.
2892         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2893         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2894         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2895         (copy_decl_to_var): Copy DECL_PT_UID.
2896         (copy_result_decl_to_var): Likewise.
2897         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2898         (copy_node_stat): Copy it.
2899         * tree.h (DECL_PT_UID): New macro.
2900         (SET_DECL_PT_UID): Likewise.
2901         (DECL_PT_UID_SET_P): Likewise.
2902         (struct tree_decl_minimal): Add pt_uid member.
2903         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2904         (pt_solution_empty_p): Declare.
2905         (pt_solution_set): Adjust.
2906         (ipa_escaped_pt): Declare.
2907         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2908         * gimple-pretty-print.c (pp_points_to_solution): New function.
2909         (dump_gimple_call): Dump call clobber/use information.
2910         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2911         * tree-pass.h (TDF_ALIAS): New dump option.
2912         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2913         * doc/invoke.texi (-fipa-pta): Update documentation.
2914
2915 2010-04-15  Richard Guenther  <rguenther@suse.de>
2916
2917         * Makefile.in (OBJS-common): Add gimple-fold.o.
2918         (gimple-fold.o): New rule.
2919         * tree.h (maybe_fold_offset_to_reference,
2920         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2921         prototypes ...
2922         * gimple.h: ... here.
2923         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2924         may_propagate_address_into_dereference): Move prototypes ...
2925         * gimple.h: ... here.
2926         * tree-ssa-ccp.c (get_symbol_constant_value,
2927         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2928         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2929         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2930         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2931         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2932         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2933         gimplify_and_update_call_from_tree): Move ...
2934         * gimple-fold.c: ... here.  New file.
2935         (ccp_fold_builtin): Rename to ...
2936         (gimple_fold_builtin): ... this.
2937         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2938
2939 2010-04-15  Richard Guenther  <rguenther@suse.de>
2940
2941         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2942         fit_double_type, force_fit_type_double, add_double_with_sign,
2943         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2944         lrotate_double, rrotate_double, div_and_round_double): Move ...
2945         * double-int.c: ... here.
2946         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2947         add_double, neg_double, mul_double_with_sign, mul_double,
2948         lshift_double, rshift_double, lrotate_double, rrotate_double,
2949         div_and_round_double): Move prototypes ...
2950         * double-int.h: ... here.
2951
2952 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2953
2954         PR target/43742
2955         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2956         matching constraints to ensure inputs match the output.
2957
2958 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2959
2960         PR target/43742
2961         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2962         in an input-only operand.
2963
2964 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2965
2966         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2967         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2968         (double_int_negative_p): Convert to static inline function.
2969         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2970         (double_int_negative_p): Remove.
2971         * tree.h (lshift_double, rshift_double):
2972         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2973         * fold-const.c (fold_convert_const_int_from_real,
2974         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2975         (lshift_double): Change type of arith argument to bool.
2976         (rshift_double): Change type of arith argument to bool. Correct
2977         comment.
2978         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2979
2980 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2981
2982         PR target/21803
2983         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2984         at the start and end of the then/else blocks, and omit them from the
2985         conversion.
2986         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2987         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2988         (flow_find_head_matching_sequence): New function.
2989         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2990         * basic-block.h (flow_find_cross_jump,
2991         flow_find_head_matching_sequence): Declare functions.
2992
2993 2010-04-14  Jason Merrill  <jason@redhat.com>
2994
2995         PR c++/36625
2996         * c-common.c (attribute_takes_identifier_p): New fn.
2997         * c-common.h: Declare it.
2998
2999 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3000
3001         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
3002         splitter condition.
3003         (*udivmod<mode>4): Ditto.
3004
3005 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3006
3007         * config/i386/i386.md (maxmin_int): Rename code attribute from
3008         maxminiprefix and update all users.
3009         (maxmin_float): Ditto from maxminfprefix.
3010         (logic): Ditto from logicprefix.
3011         (absneg_mnemonic): Ditto from absnegprefix.
3012         * config/i386/mmx.md: Update all users of maxminiprefix,
3013         maxminfprefix and logicprefix for rename.
3014         * config/i386/sse.md: Ditto.
3015         * config/i386/sync.md (sync_<code><mode>): Update for
3016         logicprefix rename.
3017
3018 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3019
3020         PR 42966
3021         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
3022         warnings converted to errors.
3023
3024 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3025
3026         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
3027         used insn_type variable.
3028         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
3029         to avoid set-but-not-used warning.
3030
3031 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3032
3033         * df-core.c (df_ref_debug): Change format string placeholder
3034         from 0x%x to %#x.
3035         * dwarf2asm.c (dw2_asm_output_data_raw,
3036         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
3037         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
3038         * dwarf2out.c (output_cfi, output_cfi_directive,
3039         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
3040         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
3041         Ditto.
3042         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
3043         * print-rtl.c (print_rtx): Ditto.
3044
3045 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3046
3047         PR middle-end/42694
3048         * builtins.c (expand_builtin_pow_root): New function to expand pow
3049         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
3050         series of sqrt and cbrt calls under -ffast-math.
3051         (expand_builtin_pow): Call it.
3052
3053 2010-04-14  Michael Matz  <matz@suse.de>
3054
3055         PR tree-optimization/42963
3056         * tree-cfg.c (touched_switch_bbs): New static variable.
3057         (group_case_labels_stmt): New function broken out from ...
3058         (group_case_labels): ... here, use the above.
3059         (start_recording_case_labels): Allocate touched_switch_bbs.
3060         (end_recording_case_labels): Deallocate it, call
3061         group_case_labels_stmt.
3062         (gimple_redirect_edge_and_branch): Remember index of affected BB.
3063
3064 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3065
3066         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
3067         from insn template.
3068
3069 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
3070
3071         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
3072
3073 2010-04-13  Jan Hubicka  <jh@suse.cz>
3074
3075         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
3076         of optimized out static functions.
3077         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
3078         cost computation.  Also sanity check for overflows.
3079         (update_caller_keys): Update cgraph_edge_badness call; properly
3080         update fibheap and sanity check that it is up to date.
3081         (add_new_edges_to_heap): Update cgraph_edge_badness.
3082         (cgraph_decide_inlining_of_small_function): Likewise;
3083         add sanity checking that badness in heap is up to date;
3084         improve dumping of reason; Update badness of calls to the
3085         offline copy of function currently inlined; dump badness
3086         of functions not inlined because of unit growth limits.
3087
3088 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3089
3090         PR middle-end/32628
3091         * c-common.c (pointer_int_sum): Disregard overflow that occured only
3092         because of sign-extension change when converting to sizetype here...
3093         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
3094
3095         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
3096         the folding to constants.  Remove redundant final conversion.
3097         (fold_binary) <associate>: Do not associate if the re-association of
3098         constants alone overflows.
3099         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
3100         to the end of the list.
3101         (multiple_of_p) <COND_EXPR>: New case.
3102
3103 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3104
3105         * opt-functions.awk (opt_sanitized_name): New.
3106         (opt_enum): New.
3107         * optc-gen.awk: Use it
3108         * opth-gen.awk: Use it.
3109
3110 2010-04-13  Martin Jambor  <mjambor@suse.cz>
3111
3112         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3113         (sra_modify_assign): Delete stmts loading dead data even if racc has no
3114         children.  Call replace_uses_with_default_def_ssa_name to handle
3115         SSA_NAES on lhs.
3116
3117 2010-04-13  Michael Matz  <matz@suse.de>
3118
3119         PR middle-end/43730
3120         * builtins.c (expand_builtin_interclass_mathfn): Also create
3121         a register if the predicate doesn't match.
3122
3123 2010-04-13  Diego Novillo  <dnovillo@google.com>
3124
3125         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3126         * c-pch.c: Include timevar.h.
3127         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3128         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3129         * ggc-common.c: Include timevar.h.
3130         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3131         * timevar.def (TV_PCH_SAVE): Define.
3132         (TV_PCH_CPP_SAVE): Define.
3133         (TV_PCH_PTR_REALLOC): Define.
3134         (TV_PCH_PTR_SORT): Define.
3135         (TV_PCH_RESTORE): Define.
3136         (TV_PCH_CPP_RESTORE): Define.
3137
3138 2010-04-13  Michael Matz  <matz@suse.de>
3139
3140         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3141         into MINUS_EXPRs.
3142         (can_reassociate_p): New function.
3143         (break_up_subtract_bb, reassociate_bb): Use it.
3144
3145 2010-04-13  Richard Guenther  <rguenther@suse.de>
3146
3147         PR bootstrap/43737
3148         * builtins.c (c_readstr): Fix assert.
3149
3150 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
3151
3152         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3153         when generating cltd insn.
3154
3155         (*ashl<mode>3_1): Remove special handling for register operand 2.
3156         (*ashlsi3_1_zext): Ditto.
3157         (*ashlhi3_1): Ditto.
3158         (*ashlhi3_1_lea): Ditto.
3159         (*ashlqi3_1): Ditto.
3160         (*ashlqi3_1_lea): Ditto.
3161         (*<shiftrt_insn><mode>3_1): Ditto.
3162         (*<shiftrt_insn>si3_1_zext): Ditto.
3163         (*<shiftrt_insn>qi3_1_slp): Ditto.
3164         (*<rotate_insn><mode>3_1): Ditto.
3165         (*<rotate_insn>si3_1_zext): Ditto.
3166         (*<rotate_insn>qi3_1_slp): Ditto.
3167
3168 2010-04-13  Richard Guenther  <rguenther@suse.de>
3169
3170         * tree-ssa-structalias.c (callused_id): Remove.
3171         (call_stmt_vars): New.
3172         (get_call_vi): Likewise.
3173         (lookup_call_use_vi): Likewise.
3174         (lookup_call_clobber_vi): Likewise.
3175         (get_call_use_vi): Likewise.
3176         (get_call_clobber_vi): Likewise.
3177         (make_transitive_closure_constraints): Likewise.
3178         (handle_const_call): Adjust to do per-call call-used handling.
3179         (handle_pure_call): Likewise.
3180         (find_what_var_points_to): Remove general callused handling.
3181         (init_base_vars): Likewise.
3182         (init_alias_vars): Initialize call_stmt_vars.
3183         (compute_points_to_sets): Process call-used and call-clobbered
3184         vars for call statements.
3185         (delete_points_to_sets): Free call_stmt_vars.
3186
3187 2010-04-13  Richard Guenther  <rguenther@suse.de>
3188
3189         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3190         Only add RW dependence for dependence distance zero.
3191         Adjust maximal vectorization factor according to dependences.
3192         Move alignment handling ...
3193         (vect_find_same_alignment_drs): ... here.  New function.
3194         (vect_analyze_data_ref_dependences): Adjust.
3195         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3196         (vect_analyze_data_refs): Adjust minimal vectorization factor
3197         according to data references.
3198         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3199         dependences before determining the vectorization factor.
3200         Analyze alignment after determining the vectorization factor.
3201         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3202         dependences before alignment.
3203         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3204         Adjust prototype.
3205         (vect_analyze_data_refs): Likewise.
3206         (MAX_VECTORIZATION_FACTOR): New define.
3207
3208 2010-04-13  Duncan Sands  <baldrick@free.fr>
3209
3210         * except.h (lang_eh_type_covers): Remove.
3211         * except.c (lang_eh_type_covers): Likewise.
3212
3213 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3214             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3215
3216         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3217         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3218         UNITS_PER_LONG where it is ABI relevant.
3219         (s390_return_addr_rtx): Likewise.
3220         (s390_back_chain_rtx): Likewise.
3221         (s390_frame_area): Likewise.
3222         (s390_frame_info): Likewise.
3223         (s390_initial_elimination_offset): Likewise.
3224         (save_gprs): Likewise.
3225         (s390_emit_prologue): Likewise.
3226         (s390_emit_epilogue): Likewise.
3227         (s390_function_arg_advance): Likewise.
3228         (s390_function_arg): Likewise.
3229         (s390_va_start): Likewise.
3230         (s390_gimplify_va_arg): Likewise.
3231         (s390_function_profiler): Likewise.
3232         (s390_optimize_prologue): Likewise.
3233         (s390_rtx_costs): Likewise.
3234         (s390_secondary_reload): Likewise.
3235         (s390_promote_function_mode): Likewise.
3236         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3237         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3238         registers available.
3239         (s390_unwind_word_mode): New function.
3240         (s390_function_value): Split 64 bit values into register pair if
3241         used as return value.
3242         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3243         function call parameters.  Handle parallels.
3244         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3245         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3246         (DWARF_CIE_DATA_ALIGNMENT): New macro.
3247         (s390_expand_setmem): Remove unused variable src_addr.
3248         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3249         deal with 64 bit registers.
3250         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3251         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3252         (UNITS_PER_LONG): New macro.
3253         * libjava/include/s390-signal.h: Define extended ucontext
3254         structure containing the upper halfs of the 64 bit registers.
3255
3256 2010-04-13  Simon Baldwin  <simonb@google.com>
3257
3258         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3259
3260 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3261
3262         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3263         rvalue on the RHS if the LHS is of a non-renamable type.
3264         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3265
3266 2010-04-13  Matthias Klose  <doko@ubuntu.com>
3267
3268         * gcc.c (cc1_options): Handle -iplugindir before processing
3269         the cc1 spec. Only add -iplugindir once.
3270         (cpp_unique_options): Add -iplugindir option if -fplugin* options
3271         found.
3272         * common.opt (iplugindir): Remove `Separate' property, initialize.
3273         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3274         option.
3275         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3276         (distclean): Remove plugin dir.
3277         * doc/invoke.texi: Document -iplugindir.
3278
3279 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3280
3281         * doc/plugins.texi (Loading Plugins): Document short
3282         -fplugin=foo option.
3283         (Plugin API): Mention default_plugin_dir_name function.
3284
3285         * gcc.c (find_file_spec_function): Add new declaration.
3286         (static_spec_func): Use it for "find-file".
3287         (find_file_spec_function): Add new function.
3288         (cc1_options): Add -iplugindir option if -fplugin* options found.
3289
3290         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3291
3292         * plugin.c (add_new_plugin): Updated comment, and handle short
3293         plugin name.
3294         (default_plugin_dir_name): Added new function.
3295
3296         * common.opt (iplugindir): New option to set the plugin directory.
3297
3298 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3299
3300         * config/i386/i386.md (any_rotate): New code iterator.
3301         (rotate_insn): New code attribute.
3302         (rotate): Ditto.
3303         (SWIM124): New mode iterator.
3304         (<rotate_insn>ti3): New expander.
3305         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3306         any_rotate code iterator.
3307         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3308         using any_rotate code iterator and SWIM124 mode iterator.
3309         (ix86_rotlti3): New insn_and_split pattern.
3310         (ix86_rotrti3): Ditto.
3311         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3312         ix86_rotl{di,ti}3 patterns.
3313         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3314         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3315         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3316         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3317         code iterator and SWI mode iterator.
3318         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3319         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3320         code iterator.
3321         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3322         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3323         (bswap rotatert splitter): Add splitter.
3324         (bswap splitter): Macroize splitter using any_rotate code iterator.
3325         Add insn predicate to split only for TARGET_USE_XCHGB or when
3326         optimizing function for size.
3327
3328 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3329
3330         * config/pa/pa.c (emit_move_sequence): Remove use of
3331         deleted variable flag_argument_noalias.
3332
3333 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3334
3335         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3336         configurations.
3337         Add to unsupported targets list.
3338         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3339         sparc*-sun-solaris2.[567]* from target lists.
3340         * configure: Regenerate.
3341         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3342         removal.
3343         Remove Solaris 7 patch references.
3344         (Specific, sparc-sun-solaris2.7): Removed.
3345         (sparc-sun-solaris2*): Update Solaris 7 example.
3346         (sparc64-*-solaris2*): Likewise.
3347
3348 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3349
3350         * config.build (alpha*-dec-osf4*): Remove.
3351         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3352         of obsolete configurations.
3353         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3354         support.
3355         * config/alpha/t-osf4: Renamed to ...
3356         * config/alpha/t-osf5: ... this.
3357         * config/alpha/osf.h: Renamed to ...
3358         * config/alpha/osf5.h: ... this.
3359         Merged old osf5.h contents.
3360         Update comments.
3361         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3362         (EXTRA_SPECS): Removed.
3363         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3364         reflect removal of Tru64 UNIX V4.0/V5.0 support.
3365         Document that.
3366
3367 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3368
3369         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3370
3371 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3372
3373         PR/43702
3374         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3375         __thiscall convention.
3376
3377 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3378
3379         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3380         orig_base.
3381         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3382
3383 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3384
3385         * function.c (assign_parms_initialize_all): Add unused attribute
3386         to fntype.
3387
3388 2010-04-12  Richard Guenther  <rguenther@suse.de>
3389
3390         * gsstruct.def (GSS_CALL): New.
3391         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3392         * gimple.h: Include tree-ssa-alias.h.
3393         (struct gimple_statement_call): New.
3394         (union gimple_statement_struct_d): Add gimple_call member.
3395         (gimple_call_reset_alias_info): Declare.
3396         (gimple_call_use_set): New function.
3397         (gimple_call_clobber_set): Likewise.
3398         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3399         * gimple.c (gimple_call_reset_alias_info): New function.
3400         (gimple_build_call_1): Call it.
3401         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3402         * tree-inline.c (remap_gimple_stmt): Likewise.
3403         (expand_call_inline): Remove callused handling.
3404         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3405         * tree-dfa.c (dump_variable): Likewise.
3406         * tree-parloops.c (parallelize_loops): Likewise.
3407         * tree-ssa.c (init_tree_ssa): Likewise.
3408         (delete_tree_ssa): Likewise.
3409         * tree-flow-inline.h (is_call_used): Remove.
3410         * tree-flow.h (struct gimple_df): Remove callused member.
3411         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3412         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3413         (ref_maybe_used_by_call_p_1): Simplify.
3414         (call_may_clobber_ref_p_1): Likewise.
3415         * tree-ssa-structalias.c (compute_points_to_sets): Set
3416         the call stmt used and clobbered sets.
3417         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3418         (find_tail_calls): Verify the tail call.
3419
3420 2010-04-12  Richard Guenther  <rguenther@suse.de>
3421
3422         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3423         single-iteration always-inline inlining.
3424         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3425         (cgraph_decide_inlining): Do not handle always-inline specially.
3426         (try_inline): Remove always-inline cycle detection special case.
3427         Do not recurse on always-inlines.
3428         (cgraph_early_inlining): Do not iterate if not optimizing.
3429         (cgraph_gate_early_inlining): remove.
3430         (pass_early_inline): Run unconditionally.
3431         (gate_cgraph_decide_inlining): New function.
3432         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
3433 &nb