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* gcc.c (execute): For -### don't quote arguments that
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-11  Jakub Jelinek  <jakub@redhat.com>
2
3         * gcc.c (execute): For -### don't quote arguments that
4         contain just alphanumerics and _/-. characters.
5         * doc/invoke.texi: Document that change for -###.
6
7         PR debug/44023
8         * df-problems.c (struct dead_debug): Add to_rescan field.
9         (dead_debug_init): Clear to_rescan field.
10         (dead_debug_finish): Rescan all debug insns in to_rescan
11         bitmap and free the bitmap.
12         (dead_debug_insert_before): Instead of rescanning debug insns
13         immediately queue their rescanning until dead_debug_finish.
14         (df_note_bb_compute): After dead_debug_add do continue instead
15         of break.
16
17 2010-05-10  Jakub Jelinek  <jakub@redhat.com>
18
19         PR debug/44028
20         * haifa-sched.c (schedule_insn): When clearing INSN_VAR_LOCATION_LOC,
21         clear also INSN_REG_USE_LIST.
22
23 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
24
25         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Undef.
26
27 2010-05-10  Jan Hubicka  <jh@suse.cz>
28
29         * lto-stramer-out.c (produce_asm_for_decls): Correct accidentally commited change.
30
31 2010-05-10  Jan Hubicka  <jh@suse.cz>
32
33         * passes.c (ipa_write_summaries_1, ipa_write_optimization_summaries): Allocate
34         encoders.
35         * lto-section-out.c (lto_new_out_decl_state): Do not allocate it here.
36         * lto-streamer.c (lto_streamer_cache_insert_1): Use alloc pool.
37         (lto_streamer_cache_create): Init alloc pool.
38         (lto_streamer_cache_delete): Free alloc pool.
39         * lto-streamer.h: Include alloc pool.
40         (lto_streamer_cache_d): Use alloc pool.
41         * lto-stramer-out.c (produce_asm_for_decls): Delete fn_out_states.
42
43 2010-05-10  Jan Hubicka  <jh@suse.cz>
44
45         * Makefile.in (cgraphbuild.o): Add dependency on except.h.
46         * cgraphbuild.c: Include except.h
47         (record_type_list, record_eh_tables): New function.
48         (build_cgraph_edges, rebuild_cgraph_edges): Use it.
49
50 2010-05-10  Jan Hubicka  <jh@suse.cz>
51
52         * crtstuff.c (force_to_data, __do_global_dtors_aux_fini_array_entry,
53         __frame_dummy_init_array_entry, force_to_data): Attribute as used
54         rather than unused.
55
56 2010-05-10  Michael Matz  <matz@suse.de>
57
58         * tree-ssa-reassoc.c (undistribute_ops_list): Use create_tmp_reg.
59         (can_reassociate_p): Use FLOAT_TYPE_P.
60         * tree-vectorizer.h (vect_is_simple_reduction): Rename to ...
61         (vect_force_simple_reduction): ... this.
62         * tree-parloops.c (gather_scalar_reductions): Use
63         vect_force_simple_reduction.
64         * tree-vect-loop.c (vect_is_simple_reduction_1): Rename from
65         vect_is_simple_reduction, add modify argument, if true rewrite
66         "a-b" into "a+(-b)".
67         (vect_is_simple_reduction, vect_force_simple_reduction): New
68         functions.
69         (vect_analyze_scalar_cycles_1): Use vect_force_simple_reduction.
70
71 2010-05-10  H.J. Lu  <hongjiu.lu@intel.com>
72             Vladimir Makarov  <vmakarov@redhat.com>
73
74         PR rtl-optimization/44012
75         * ira-build.c (remove_unnecessary_allocnos): Nullify
76         regno_allocno_map of the removed allocno.
77
78 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
79
80         * configure.ac (gcc_cv_ld_eh_gc_sections): Redirect objdump errors
81         to /dev/null.
82         * configure: Regenerate.
83
84 2010-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
85
86         * config/sol2.c (solaris_assemble_visibility): Declare decl, vis
87         unused.
88         Define visibility_types, name, type inside HAVE_GAS_HIDDEN.
89         * configure.ac (gcc_cv_ld_hidden): Explain stages of visibility
90         support in Sun ld.
91         * configure: Regenerate.
92
93 2010-05-10  Richard Guenther  <rguenther@suse.de>
94
95         * lto-symtab.c (lto_symtab_entry_marked_p): Make entry
96         marked if the entry identifier is marked.
97
98 2010-05-10  Richard Guenther  <rguenther@suse.de>
99
100         * c-common.c (struct c_common_attributes): Add fnspec attribute.
101         (handle_fnspec_attribute): New function.
102         * gimple.h (gimple_call_return_flags): Declare.
103         (gimple_call_arg_flags): Likewise.
104         * gimple.c (gimple_call_arg_flags): New function.
105         (gimple_call_return_flags): Likewise.
106         * tree.h (EAF_DIRECT, EAF_NOCLOBBER, EAF_NOESCAPE, EAF_UNUSED):
107         New argument flags.
108         (ERF_RETURN_ARG_MASK, ERF_RETURNS_ARG, ERF_NOALIAS): New function
109         return value flags.
110         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Skip unused args.
111         * tree-ssa-structalias.c (make_constraint_from_heapvar): Split
112         main work to ...
113         (make_heapvar_for): ... this new function.
114         (handle_rhs_call): Handle fnspec attribute argument specifiers.
115         (handle_lhs_call): Likewise.
116         (find_func_aliases): Adjust.
117
118 2010-05-10  Richard Guenther  <rguenther@suse.de>
119
120         PR tree-optimization/44050
121         * tree-inline.c (tree_function_versioning): Clone the ipa-pta flag.
122
123 2010-05-10  Wei Guozhi  <carrot@google.com>
124
125         PR target/42879
126         * config/arm/thumb2.md (thumb2_tlobits_cbranch): New insn pattern.
127
128 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
129
130         PR c/10676
131         * c-typeck.c (lookup_field): Take a type directly.  Update
132         recursive calls.
133         (build_component_ref): Update call to lookup_field.
134         (set_init_label): Use lookup_field to find initialized field.
135         Handle returned list of fields like a sequence of designators.
136
137 2010-05-09  Richard Guenther  <rguenther@suse.de>
138
139         PR middle-end/44024
140         * fold-const.c (tree_single_nonzero_warnv_p): Properly
141         handle &FUNCTION_DECL.
142
143 2010-05-09  Joseph Myers  <joseph@codesourcery.com>
144
145         PR c/4784
146         * c-decl.c (detect_field_duplicates_hash): New.  Handle anonymous
147         structures and unions recursively.
148         (detect_field_duplicates): Move duplicate detection with a hash to
149         detect_field_duplicates_hash.  Always use a hash if anonymous
150         structures or unions are present.
151         * doc/extend.texi (Unnamed Fields): Document that duplicate fields
152         give errors.
153
154 2010-05-09  H.J. Lu  <hongjiu.lu@intel.com>
155
156         PR target/44046
157         * config/i386/driver-i386.c (host_detect_local_cpu): Properly
158         detect Atom, Core 2 and Core i7.
159
160 2010-05-09  Richard Guenther  <rguenther@suse.de>
161
162         * gcc.c (store_arg): Handle temporary file deletion for
163         joined arguments.
164
165 2010-05-09  Richard Guenther  <rguenther@suse.de>
166
167         PR middle-end/44043
168         * ipa-inline.c (estimate_function_body_sizes): Return after
169         disregarding inline limits.
170
171 2010-05-09  Richard Guenther  <rguenther@suse.de>
172
173         * gcc.c (store_arg): Revert last change.
174
175 2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>
176
177         PR middle-end/28685
178         * tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
179         (optimize_ops_list): Call it.
180
181 2010-05-08  Richard Guenther  <rguenther@suse.de>
182
183         PR tree-optimization/44030
184         * tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
185         NECESSARY flag if we propagate from a inserted expression.
186
187 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
188
189         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
190         domain types as equal if they are both PLACEHOLDER_EXPRs.
191
192 2010-05-08  Richard Guenther  <rguenther@suse.de>
193
194         * lto-wrapper.c (run_gcc): Remove linker output from
195         command line for LTRANS invocation.
196
197 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
198
199         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
200         lto-macho as lto_binary_reader.
201         * target.h (struct gcc_target): New hooks lto_start and lto_end.
202         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
203         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
204         in lto_start and lto_end calls.
205         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
206         magic numbers.
207         (scan_prog_file): Update is_elf_or_coff call.
208         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
209
210         * collect2.c (main): Fix enum comparison.
211
212         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
213         Add prototypes.
214         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
215         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
216         and TARGET_ASM_LTO_END.
217         * darwin.c: Include obstack.h and lto-streamer.h.
218         (lto_section_names_offset, lto_section_names_obstack,
219         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
220         global variables.
221         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
222         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
223         to a temporary file.
224         (darwin_asm_lto_end): New function.  Restore asm_out_file.
225         (darwin_asm_named_section): For LTO sections, replace the name with
226         the offset of the section name in a string table, and build this
227         table.
228         (darwin_file_start): Initialize global vars for LTO support.
229         (darwin_file_end): If output to asm_out_file was redirected, append it
230         to the proper asm_out_file here.  Add the section names section.
231
232 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
233
234         * c-pragma.c (pending_weak_d, pending_weak): New.
235         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
236         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
237         handle_pragma_weak): Update the uses of pending_weaks.
238
239 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
240
241         PR documentation/44016
242         * doc/standards.texi (Standards): Link to unversioned
243         cxx0x_status.html page.
244
245 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
246
247         PR target/43708
248         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
249         in addition to TREE_USED, to avoid "set but unused" warnings.
250
251 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
252
253         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
254         (is_loop_prefetching_profitable): Do not insert prefetches
255         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
256         times the prefetch ahead distance.
257
258 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
259
260         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
261         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
262         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
263         the unroll_factor.
264
265 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
266
267         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
268         a diagnostic info when the insn-to-mem ratio is too small.
269
270 2010-05-07  Richard Guenther <rguenther@suse.de>
271
272         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
273         the linker plugin.
274         (store_arg): Queue temp_filename for deletion instead of
275         the whole argument.
276
277 2010-05-07  Richard Guenther  <rguenther@suse.de>
278
279         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
280         (run_gcc): Handle LTRANS phase invocation.
281         * collect2.c (maybe_run_lto_and_relink): Do not set WPA_SAVE_LTRANS.
282
283 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
284
285         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
286         this is also meaningful on PARM_DECLs and RESULT_DECLs.
287
288 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
289
290         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
291
292 2010-05-07  Richard Guenther  <rguenther@suse.de>
293
294         PR tree-optimization/44020
295         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
296         code when PRE is not yet initialized.
297
298 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
299
300         * config/mips/dbxmdebug.h: Remove.
301         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
302
303 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
304
305         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
306         with null pointer and also warn about ordered comparison of zero with
307         pointer if -Wextra.
308
309 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
310
311         * graphite-blocking.c
312         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
313         * graphite-clast-to-gimple.c
314         (clast_to_gcc_expression): Same.
315         (precision_for_value): Same.
316         (precision_for_interval): Same.
317         (gcc_type_for_interval): Same.
318         (graphite_create_new_guard): Same.
319         (compute_bounds_for_level): Same.
320         (graphite_create_new_loop_guard): Same.
321         * graphite-interchange.c
322         (build_linearized_memory_access): Same.
323         (pdr_stride_in_loop): Same.
324         (memory_strides_in_loop_1): Same.
325         (memory_strides_in_loop): Same.
326         (extend_scattering): Same.
327         (psct_scattering_dim_for_loop_depth): Same.
328         (pbb_number_of_iterations): Same.
329         * graphite-poly.h
330         (debug_iteration_domains): Same.
331         * graphite-ppl.c
332         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
333         (ppl_set_inhomogeneous_gmp): Same.
334         (ppl_strip_loop): Same.
335         (ppl_lexico_compare_linear_expressions): Same.
336         (ppl_read_polyhedron_matrix): Same.
337         (ppl_max_for_le_pointset): Same.
338         * graphite-ppl.h
339         (ppl_read_polyhedron_matrix): Same.
340         (tree_int_to_gmp): Same.
341         (gmp_cst_to_tree): Same.
342         (ppl_set_inhomogeneous): Same.
343         (ppl_set_inhomogeneous_tree): Same.
344         (ppl_set_coef): Same.
345         (ppl_set_coef_tree): Same.
346         * graphite-sese-to-poly.c
347         (build_pbb_scattering_polyhedrons): Same.
348         (build_scop_scattering): Same.
349         (scan_tree_for_params_right_scev): Same.
350         (scan_tree_for_params): Same.
351         (find_params_in_bb): Same.
352         (find_scop_parameters): Same.
353         (add_upper_bounds_from_estimated_nit): Same.
354         (build_loop_iteration_domains): Same.
355         (add_condition_to_domain): Same.
356         (pdr_add_memory_accesses): Same.
357
358 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
359
360         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
361         CLooG's value_* macros to their respective mpz_* counterparts.
362         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
363         (graphite_create_new_loop_guard): Same.
364         * graphite-interchange.c (build_linearized_memory_access): Same.
365         (pdr_stride_in_loop): Same.
366         (memory_strides_in_loop_1): Same.
367         (1st_interchange_profitable_p): Same.
368         * graphite-poly.c (extend_scattering): Same.
369         (psct_scattering_dim_for_loop_depth): Same.
370         (pbb_number_of_iterations): Same.
371         (pbb_number_of_iterations_at_time): Same.
372         * graphite-poly.h (new_1st_loop): Same.
373         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
374         (oppose_constraint): Same.
375         (insert_constraint_into_matrix): Same.
376         (ppl_set_inhomogeneous_gmp): Same.
377         (ppl_set_coef_gmp): Same.
378         (ppl_strip_loop): Same.
379         (ppl_lexico_compare_linear_expressions): Same.
380         (ppl_max_for_le_pointset): Same.
381         (ppl_min_for_le_pointset): Same.
382         (ppl_build_realtion): Same.
383         * graphite-ppl.h (gmp_cst_to_tree): Same.
384         (ppl_set_inhomogeneous): Same.
385         (ppl_set_inhomogeneous_tree): Same.
386         (ppl_set_coef): Same.
387         (ppl_set_coef_tree): Same.
388         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
389         (build_scop_scattering): Same.
390         (add_value_to_dim): Same.
391         (scan_tree_for_params_right_scev): Same.
392         (scan_tree_for_params_int): Same.
393         (scan_tree_for_params): Same.
394         (find_params_in_bb): Same.
395         (find_scop_parameters): Same.
396         (add_upper_bounds_from_estimated_nit): Same.
397         (build_loop_iteration_domains): Same.
398         (create_linear_expr_from_tree): Same.
399         (add_condition_to_domain): Same.
400         (pdr_add_memory_accesses): Same.
401
402 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
403             Jason Merrill  <jason@redhat.com>
404
405         * c-common.c (c_common_reswords): Add nullptr.
406         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
407         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
408         (gen_type_die_with_usage): Likewise.
409         * dbxout.c (dbxout_type): Likewise.
410         * sdbout.c (plain_type_1): Likewise.
411
412 2010-05-06  Jason Merrill  <jason@redhat.com>
413
414         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
415         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
416         ret appropriately.
417         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
418
419         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
420         stripping WITH_SIZE_EXPR.
421         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
422         change.
423
424 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
425
426         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
427         list of obsolete configurations.
428         Disabled check for obsolete configurations.
429         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
430         Removed support for previous versions.
431         * config/mips/iris.h: Removed.
432         * config/mips/iris5.h: Removed.
433         * config/mips/iris6.h: Merged old iris.h contents.
434         (TARGET_IRIX): Removed.
435         (DRIVER_SELF_SPECS): Removed mabi=32.
436         (IDENT_ASM_OP): Removed undef.
437         (STARTFILE_SPEC): Removed mabi=32.
438         (ENDFILE_SPEC): Likewise.
439         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
440         (MACHINE_TYPE): Update for IRIX 6.5.
441         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
442         TARGET_IRIX by TARGET_IRIX6.
443         (mips_file_start): Likewise.
444         (mips_output_external): Remove IRIX 5/6 O32 support.
445         (mips_output_function_prologue): Likewise.
446         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
447         TARGET_IRIX6.
448         (TARGET_CPU_CPP_BUILTINS): Likewise.
449         (TARGET_IRIX): Removed.
450         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
451         (MULTILIB_DIRNAMES): Removed 32.
452         (MULTILIB_OSDIRNAMES): Removed ../lib.
453         * doc/install.texi (Prerequisites): Don't reference IRIX before 6.5.
454         (Specific, mips-sgi-irix5): Document removal.
455         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI removal.
456         Remove references to older IRIX 6 releases and the O32 ABI.
457
458 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
459
460         PR bootstrap/43994
461         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
462         instead of DF_REF_REAL_REG.
463
464 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
465
466         PR target/43888
467         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
468         handling to still return true for x64 targets.
469
470 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
471
472         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
473
474 2010-05-06  Jan Hubicka  <jh@suse.cz>
475
476         PR tree-optimization/43791
477         * ipa-inline.c (update_caller_keys): Remove bogus
478         disregard_inline_limits check.
479
480 2010-05-06  Michael Matz  <matz@suse.de>
481
482         PR tree-optimization/43984
483         * tree-ssa-pre.c (inserted_phi_names): Remove.
484         (inserted_exprs): Change to bitmap.
485         (create_expression_by_pieces): Set bits, don't append to vector.
486         (insert_into_preds_of_block): Don't handle inserted_phi_names.
487         (eliminate): Don't look at inserted_phi_names, remove deleted
488         insns from inserted_exprs.
489         (remove_dead_inserted_code): Adjust to use bitmaps instead of vectors.
490         (init_pre, fini_pre): Allocate and free bitmaps.
491         (execute_pre): Insert insns on edges before elimination.
492
493 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
494
495         * tree.c (initializer_zerop): Handle STRING_CST.
496
497 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
498
499         PR 40989
500         * doc/invoke.texi (Wimplicit): Document as C only.
501         * opts.c (common_handle_option): Add argument kind.
502         (handle_option): Rename as read_cmdline_option. Factor out code to...
503         (handle_option): ... here. New.
504         (handle_options): Rename as read_cmdline_options.
505         (decode_options): Update call.
506         (set_option): Use option index instead of option pointer. Classify
507         diagnostics correctly.
508         (enable_warning_as_error): Call handle_option.
509         * opts.h (set_option): Update declaration.
510         (handle_option): Declare.
511         * langhooks.h (struct lang_hooks): Add argument kind to handle_option.
512         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
513         * c-opts.c (set_Wimplicit): Delete.
514         (c_family_lang_mask): New static constant.
515         (c_common_handle_option): Add argument kind. Use handle_option
516         instead of set_Wimplicit.
517         (c_common_post_options): warn_implicit and warn_implicit_int
518         are disabled by default.
519         * c-common.c (warn_implicit): Do not define here.
520         * c-common.h (warn_implicit): Do not declare here.
521         (c_common_handle_option): Update declaration.
522         * lto-opts.c (lto_reissue_options): Update call to set_option.
523
524 2010-05-06  Richard Guenther  <rguenther@suse.de>
525
526         PR tree-optimization/43571
527         * domwalk.c (walk_dominator_tree): Walk the dominator
528         sons in more optimal order.
529
530 2010-05-06  Richard Guenther  <rguenther@suse.de>
531
532         PR tree-optimization/43934
533         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
534         (stmt_cost): Likewise.
535         (extract_true_false_args_from_phi): New helper.
536         (determine_max_movement): For PHI nodes verify we can hoist them
537         and compute their cost.
538         (determine_invariantness_stmt): Handle PHI nodes.
539         (move_computations_stmt): Likewise.  Hoist PHI nodes in
540         if-converted form using COND_EXPRs.
541         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI nodes.
542         (tree_ssa_lim): Likewise.
543         * tree-flow.h (tree_ssa_lim): Adjust prototype.
544         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
545
546 2010-05-06  Richard Guenther  <rguenther@suse.de>
547
548         PR tree-optimization/43987
549         * tree-ssa-structalias.c (could_have_pointers): For possibly
550         address-taken variables force pointers to be recorded.
551         (create_variable_info_for_1): Likewise.
552         (push_fields_onto_fieldstack): Pass in wheter all fields
553         must have pointers.
554         (find_func_aliases): Query types instead of vars whether
555         they contain pointers where appropriate.
556
557 2010-05-06  Jan Hubicka  <jh@suse.cz>
558
559         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
560         (record_reference, mark_address, mark_load, mark_store): Record
561         references.
562         (record_references_in_initializer): Update call of record_references.
563         (rebuild_cgraph_edges): Remove all references before rebuiding.
564         * cgraph.c (cgraph_create_node): Clear ref list.
565         (cgraph_remove_node): Remove references.
566         (dump_cgraph_node): Dump references.
567         (cgraph_clone_node): Clone references.
568         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
569         (struct cgraph_node, varpool_node): Add ref_lst.
570         * ipa-ref.c: New file.
571         * ipa-ref.h: New file.
572         * ipa-ref-inline.h: New file.
573         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
574         (referenced_from_other_partition_p): New function.
575         (lto_output_varpool_node): Take set arugment; call
576         referenced_from_other_partition.
577         (lto_output_ref): New.
578         (add_references): New.
579         (output_refs): New.
580         (output_cgraph): Compute boundary based on references; output refs.
581         (output_varpool): Accept cgraph_node_set argument.
582         (input_ref): New.
583         (input_refs): New.
584         (input_cgraph): Call input_refs.
585         * lto-section-in.c (lto_section_name): Add refs.
586         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
587         (ipa-ref.o): New file.
588         * varpool.c (varpool_node): Clear ipa ref list.
589         (varpool_remove_node): Remove references.
590         (dump_varpool_node): Dump references.
591         (varpool_assemble_decl): Only compile finalized ones.
592         (varpool_extra_name_alias): Initialize ref list.
593         * lto-streamer.c (lto-get_section_name): Add .refs section.
594         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
595         (referenced_from_other_partition_p): Declared.
596
597 2010-05-06  Ira Rosen  <irar@il.ibm.com>
598
599         PR tree-optimization/43901
600         * tree-vect-stmts.c (vectorizable_call): Assert that vector
601         type is not NULL if it's transformation phase, and return
602         FALSE if it's analysis.
603         (vectorizable_conversion, vectorizable_operation,
604         vectorizable_type_demotion, vectorizable_type_promotion): Likewise.
605
606 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
607
608         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
609         Delete.
610         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
611         New define.
612         * config/mips/mips-protos.h
613         (mips_small_register_classes_for_mode_p): Delete prototype.
614
615 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
616
617         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
618         * config/arm/arm.c (multiple_operation_profitable_p,
619         compute_offset_order): New static functions.
620         (load_multiple_sequence, store_multiple_sequence): Use them.
621         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
622         memory offsets, not register numbers.
623         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
624
625 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
626
627         * stor-layout.c (pending_sizes): Change the type to VEC(tree,gc) *.
628         (get_pending_sizes, put_pending_size, put_pending_sizes):
629         Update the uses of pending_sizes.
630         * c-decl.c (store_parm_decls): Likewise.
631         * c-tree.h (struct c_arg_info): Likewise.
632         * tree.h: Update the prototype for get_pending_sizes and
633         put_pending_sizes.
634
635 2010-05-05  Jason Merrill  <jason@redhat.com>
636
637         PR debug/43370
638         * c-common.c (handle_aligned_attribute): Respect
639         ATTR_FLAG_TYPE_IN_PLACE.
640
641         PR testsuite/43758
642         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
643         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
644         (TARGET_INITIALIZER): Use it.
645         * c-common.c (attribute_takes_identifier_p): Call it.
646         * c-common.h: Update prototype.
647         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
648         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
649
650 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
651
652         PR debug/43950
653         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
654         DW_ID_down_case for Fortran compilation units.
655
656 2010-05-05  Jan Hubicka  <jh@suse.cz>
657
658         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
659         handle aliases.
660
661 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
662
663         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
664         a variable-sized RESULT_DECL.
665
666 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
667
668         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
669
670 2010-05-05  Jason Merrill  <jason@redhat.com>
671
672         PR c++/43787
673         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
674         returns GS_OK.
675         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
676
677 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
678             Jakub Jelinek  <jakub@redhat.com>
679
680         PR debug/43478
681         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
682         (dead_debug_init, dead_debug_finish): New functions.
683         (dead_debug_add, dead_debug_insert_before): Likewise.
684         (df_note_bb_compute): Initialize a dead_debug object, add dead
685         debug uses to it, insert debug bind insns before death insns,
686         reset debug insns that refer to pending uses at the end.
687         * rtl.h (make_debug_expr_from_rtl): New prototype.
688         * varasm.c (make_debug_expr_from_rtl): New function.
689
690 2010-05-05  Jan Hubicka  <jh@suse.cz>
691
692         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
693         (lto_varpool_encoder_new, lto_varpool_encoder_delete,
694         lto_varpool_encoder_encode, lto_varpool_encoder_lookup,
695         lto_varpool_encoder_deref, lto_varpool_encoder_size,
696         lto_varpool_encoder_encode_initializer_p,
697         lto_set_varpool_encoder_encode_initializer): New functions.
698         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
699         call output_varpool.
700         (input_varpool_node): Do not always set analyzed.
701         (input_cgraph_1): Return vector of cgraph nodes.
702         (input_varpool_1): Return vector of varpools.
703         (input_cgraph): Free the vectors.
704         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
705         output only initializers needed.
706         (lto_output): Only call output_cgraph.
707         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
708         * lto-section-out.c (lto_new_out_decl_state): Initialize
709         state->varpool_node_encoder.
710         * lto-streamer.h (lto_varpool_encoder_d): New.
711         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.
712         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
713         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
714         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
715         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
716         Declare.
717         (output_varpool, input_varpool): Remove declarations.
718
719 2010-05-05  Jan Hubicka  <jh@suse.cz>
720
721         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
722         with body can prevail.
723
724 2010-05-05  Jan Hubicka  <jh@suse.cz>
725
726         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
727         size.
728
729 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
730
731         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to dependencies.
732
733         * gengtype.h (erro_at_line): Constify pos argument.
734
735         * gengtype.c: Include hashtab.h.
736         (enum gc_used): Document GC_MAYBE_POINTED_TO.
737         (error_at_line): Constify pos argument.
738         (do_typedef): Initialize p->opt field.
739         (get_file_gtfilename): Fix comment typo.
740         (struct walk_type_data): Constify line field.
741         (get_output_file_for_structure): New function.
742         (write_local_func_for_structure): Constify orig_s argument.
743         Use get_output_file_for_structure.
744         (write_func_for_structure): Use get_output_file_for_structure.
745         (INDENT): New define.
746         (dump_pair, dump_type, dump_type_list, dump_typekind)
747         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
748         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
749         functions.
750         (seen_types): New variable.
751         (main): New variable do_dump.  Process "-d" command line option.
752         Call dump_everything if dump requested.
753
754 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
755
756         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
757         in a temporary instead of invoking the macro multiple times.
758         (track_expr_p): Likewise.
759
760 2010-05-04  Neil Vachharajani <nvachhar@google.com>
761
762         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
763         per new semantics.
764         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
765         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
766         conditions for printing notes.
767         * common.opt (-Wcoverage-mismatch): Allow negative, default to
768         true, update documentation.
769         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
770
771 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
772
773         PR c/43981
774         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
775         on dimen.
776
777 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
778
779         PR target/43799
780         * config/i386/i386.md (sse_prologue_save): Clobber CC register.
781         (*sse_prologue_save_insn1): Likewise.
782         (SSE prologue save splitter): Likewise.
783
784 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
785
786         * tree.c (free_lang_data_in_one_sizepos): New inline function.
787         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
788         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
789         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
790         all decls.  Call it on DECL_FIELD_OFFSET of fields.
791         (find_decls_types_r): Follow DECL_VALUE_EXPR.
792         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
793
794 2010-05-04  Martin Jambor  <mjambor@suse.cz>
795
796         * tree-sra.c (build_access_from_expr_1): The first parameter type
797         changed to simple tree.
798         (build_access_from_expr): Likewise, gsi parameter was eliminated.
799         (scan_assign_result): Renamed to assignment_mod_result, enum elements
800         renamed as well.
801         (build_accesses_from_assign): Removed all parameters except for a
802         simple gimple statement.  Now returns a simple bool.
803         (scan_function): All non-analysis parts moved to separate functions
804         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
805         parameters and updated both callers.
806         (sra_modify_expr): Removed parameter data.
807         (sra_modify_function_body): New function.
808         (perform_intra_sra): Call sra_modify_function_body to modify the
809         function body.
810         (replace_removed_params_ssa_names): Parameter data changed into
811         adjustments vector.
812         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
813         changed the parameter dont_convert to convert with the opposite
814         meaning.
815         (sra_ipa_modify_assign): Parameter data changed into adjustments
816         vector, return value changed to bool.
817         (ipa_sra_modify_function_body): New function.
818         (sra_ipa_reset_debug_stmts): Updated a comment.
819         (modify_function): Use ipa_sra_modify_function_body to modify function
820         body.
821
822 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
823
824         PR middle-end/43671
825         * alias.c (true_dependence): Handle the same VALUE in x and mem.
826         (canon_true_dependence): Likewise.
827         (write_dependence_p): Likewise.
828
829 2010-05-04  Jan Hubicka  <jh@suse.cz>
830
831         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
832         * cgraphbuild.c: Include ipa-utils.h
833         (record_reference_ctx): New struct.
834         (record_reference): Simplify to work on initializers; not statements.
835         (mark_address, mark_load, mark_store): New.
836         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
837         walk PHI nodes too.
838         (record_references_in_initializer): Update use of record_reference.
839         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
840         walk PHI nodes too.
841
842 2010-05-04  Jan Hubicka  <jh@suse.cz>
843
844         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
845         node will be removed anyway.
846         (lto_varpool_replace_node): Allow also unanalyzed nodes;
847         relink aliases of node into prevailing node.
848         * varpool.c (varpool_remove_node): Remove aliases properly;
849         when removing node, remove all its aliases too; remove DECL_INITIAL
850         of removed node; ggc_free the varpool node.
851
852 2010-05-04  Richard Guenther  <rguenther@suse.de>
853
854         PR tree-optimization/43879
855         * tree-ssa-structalias.c (alias_get_name): Use
856         DECL_ASSEMBLER_NAME if available.
857         (create_function_info_for): Return the varinfo node.
858         (ipa_pta_execute): Associate same-body aliases and extra names
859         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
860
861 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
862
863         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove static.
864
865 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
866
867         PR bootstrap/43964
868         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
869         only if HONOR_REG_ALLOC_ORDER is not defined.
870
871 2010-05-04  Richard Guenther  <rguenther@suse.de>
872
873         PR tree-optimization/43949
874         * tree-vrp.c (extract_range_from_binary_expr): Only handle
875         TRUNC_MOD_EXPR.
876
877 2010-04-26  Jason Merrill  <jason@redhat.com>
878
879         * c.opt (-fstrict-enums): New.
880         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
881
882 2010-05-03  David Ung <davidu@mips.com>
883             James E. Wilson  <wilson@codesourcery.com>
884
885         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
886         emit the trap instruction before the divide for TUNE_74K.
887
888 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
889
890         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
891         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
892         based on the above, for new target hook.
893
894         * hooks.c (hook_bool_mode_true): New generic hook.
895         * hooks.h (hook_bool_mode_true): Add prototype.
896
897         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
898         target hook.
899         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
900         target hook, set to hook_bool_mode_false.
901         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
902         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
903         with targetm.small_register_classes_for_mode_p.
904         (find_reusable_reload): Likewise.
905         (combine_reloads): Likewise.
906         * reload1.c (reload_as_needed): Likewise.
907         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
908         * ifcvt.c (noce_process_if_block, check_cond_move_block,
909         dead_or_predicable): Likewise.
910         * regmove.c (optimize_reg_copy_1): Likewise.
911         * calls.c (prepare_call_address): Likewise.
912         (precompute_register_parameters): Likewise.
913
914         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
915         hook definition.
916         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
917         implementation of the hook that considers all register classes
918         small except for SH64.
919         (sh_override_options): Use the new hook.
920         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
921         Add prototype.
922
923         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
924         hook definition.
925         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
926         implementation of the hook that considers all register classes
927         small for THUMB1.
928         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
929         Add prototype.
930
931         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
932         hook definition.
933         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
934         implementation of the hook that considers all register classes
935         small for MIPS16.
936         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
937         Add prototype.
938
939         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
940         hook definition.
941         * config/m32c/m32c.h: Likewise.
942         * config/pdp11/pdp11.h: Likewise.
943         * config/avr/avr.h: Likewise.
944         * config/xtensa/xtensa.h: Likewise.
945         * config/m68hc11/m68hc11.h: Likewise.
946         * config/mn10300/mn10300.h: Likewise.
947         * config/mcore/mcore.h: Likewise.
948         * config/h8300/h8300.h: Likewise.
949         * config/bfin/bfin.h: Likewise.
950
951         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
952         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
953
954 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
955
956         * double-int.h (tree_to_double_int): Remove macro.
957         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
958         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
959         (tree_to_double_int): New function.
960         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
961         Move ...
962         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
963
964 2010-05-03  Richard Guenther  <rguenther@suse.de>
965
966         PR tree-optimization/43971
967         * tree-ssa-structalias.c (get_constraint_for_1): Fix
968         constraints in the !flag_delete_null_pointer_checks case.
969
970 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
971
972         PR debug/43972
973         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
974         result mode matches original rtl mode.
975
976 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
977
978         PR target/43888
979         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
980
981 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
982
983         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
984         when processing flag options.
985
986 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
987
988         * gcov-iov.c (main): Change format string placeholder
989         from %#08x to 0x%08x.
990         * genchecksum.c (dosum): Change format string placeholder
991         from %#02x to 0x%02x.
992
993 2010-05-02  Richard Guenther  <rguenther@suse.de>
994
995         PR tree-optimization/43879
996         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
997
998 2010-05-02  Bruno Haible  <bruno@clisp.org>
999
1000         * doc/extend.texi (Function Attributes): Fix a typo.
1001
1002 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1003
1004         Revert:
1005         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
1006         placeholder from 0x%x to %#x.
1007         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1008         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1009         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1010         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1011         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1012         * config/i386/i386.c (ix86_target_string): Ditto.
1013         * config/i386/i386.c (output_pic_addr_const): Ditto.
1014         (print_operand): Ditto.
1015
1016 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
1017
1018         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
1019         placeholder from 0x%x to %#x.
1020         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
1021         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
1022         (ASM_OUTPUT_DEBUG_DATA): Ditto.
1023         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
1024         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
1025         * optc-gen.awk: Ditto.
1026         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
1027         (HOST_WIDE_INT_PRINT_HEX): Ditto.
1028         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
1029         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
1030
1031 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1032
1033         * target.h (struct calls): Add function_value_regno_p field.
1034         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1035         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
1036         * targhooks.c (default_function_value_regno_p): New function.
1037         * targhooks.h (default_function_value_regno_p): Declare function.
1038         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
1039         * builtins.c. (apply_result_size): (Ditto.).
1040         * combine.c. (likely_spilled_retval_p): (Ditto.).
1041         * mode-switching.c. Include 'target.h'.
1042         (create_pre_exit): Use function_value_regno_p hook.
1043         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
1044         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
1045         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
1046
1047         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
1048         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
1049         (ix86_function_value_regno_p): Declare as static, change argument
1050         type to const unsigned int.
1051         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
1052
1053 2010-05-01  Richard Guenther  <rguenther@suse.de>
1054
1055         PR tree-optimization/43949
1056         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
1057         types.
1058         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
1059
1060 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
1061
1062         * rtl.h (CONST_DOUBLE_P): Define.
1063         (rtx_to_double_int): Declare.
1064         * emit-rtl.c (rtx_to_double_int): New function.
1065         * dwarf2out.c (insert_double): New function.
1066         (loc_descriptor, add_const_value_attribute): Clean up, use
1067         rtx_to_double_int and insert_double functions.
1068
1069 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
1070
1071         * doc/extend.texi (Inline): Add missing return keyword to examples.
1072         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
1073         "command-line".
1074
1075 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
1076
1077         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
1078         the variable part of the offset as well.  Use highest_pow2_factor for
1079         all alignment checks.
1080
1081 2010-04-30  Richard Guenther  <rguenther@suse.de>
1082
1083         PR tree-optimization/43879
1084         * tree-ssa-structalias.c (type_could_have_pointers): Functions
1085         can have pointers.
1086
1087 2010-04-30  Jan Hubicka  <jh@suse.cz>
1088
1089         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
1090         varpool.
1091         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
1092
1093 2010-04-30  Jan Hubicka  <jh@suse.cz>
1094
1095         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
1096         New.
1097         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
1098         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
1099         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
1100         cgraph_node_set_needs_ltrans_p): Remove.
1101
1102 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1103
1104         * sdbout.c: Include vec.h, do not include varray.h.
1105         (deferred_global_decls, sdbout_global_decl,
1106         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
1107         * toplev.c: Do not include varray.h.
1108         (dump_memory_report): Do not dump VARRAY statistics.
1109         * gengtype.c (open_base_file): Ignore varray.h.
1110         * Makefile.in: Update for abovementioned changes.
1111         Remove all traces of varray.c and varray.h.
1112         * varray.c: Remove file.
1113         * varray.h: Remove file.
1114
1115 2010-04-30  Jan Hubicka  <jh@suse.cz>
1116
1117         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
1118         references.
1119
1120 2010-04-30  Jan Hubicka  <jh@suse.cz>
1121
1122         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
1123         needed.
1124
1125 2010-04-30  Richard Guenther  <rguenther@suse.de>
1126
1127         * tree-ssa-structalias.c (get_constraint_for_1): Generate
1128         constraints for CONSTRUCTOR.
1129
1130 2010-04-30  Richard Guenther  <rguenther@suse.de>
1131
1132         PR lto/43946
1133         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
1134         first after all lowering passes.
1135
1136 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
1137
1138         * toplev.c: Include varray.h for statistics dumping.
1139         * tree.h: Do not declare varray_head_tag.
1140         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
1141         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
1142         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
1143         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
1144         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
1145         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
1146         c-common.c, c-common.h, reg-stack.c, basic-block.h,
1147         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
1148         include varray.h.
1149         * Makefile.in: Update for abovementioned changes.
1150
1151 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
1152
1153         PR debug/43942
1154         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
1155
1156 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1157
1158         * config/picochip/picochip.c (picochip_legitimize_address): Define.
1159         Use this function to do machine-specific conversion.
1160         (picochip_legitimize_reload_address): Likewise.
1161         (picochip_legitimate_address_p): Check valid base register only if
1162         strict.
1163         (picochip_check_conditional_copy): Check for modw only if opnd is
1164         register.
1165         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
1166         to call the function in c.
1167         * config/picochip/picochip-protos.h
1168         (picochip_legitimize_reload_address): Define.
1169         * config/picochip/picochip.md (supported_compare1): Define.
1170
1171 2010-04-30  Jan Hubicka  <jh@suse.cz>
1172
1173         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1174         (cgraph_global_info): Remove inlined.
1175         (LTO_cgraph_tag_names): Remove.
1176         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1177         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1178         simplify cgraph tags and document.
1179         (lto_output_node): Use only LTO_cgraph_unavail_node and
1180         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1181         for_functions_valid, global info, process and output flags.
1182         (input_overwrite_node): Initialize estimated stack size and
1183         estimated growth.  Do not read flags we no longer store.
1184         (input_node): Likewise do not read info no longer stored.
1185         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1186         flag.
1187
1188 2010-04-30  Richard Guenther  <rguenther@suse.de>
1189
1190         PR tree-optimization/43879
1191         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1192         handle non-zero initializers.
1193
1194 2010-04-30  Richard Guenther  <rguenther@suse.de>
1195
1196         * builtins.c (fold_builtin_1): Delete free (0).
1197
1198 2010-04-29  Jan Hubicka  <jh@suse.cz>
1199
1200         * gengtype.c (open_base_files): Add lto-streamer.h
1201         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1202         (pass_ipa_cp): GGC collect.
1203         * toplev. (compile_file): Do not output symbols.
1204         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1205         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1206         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1207         * lto-section-in.c: Include ggc.h
1208         (lto_new_in_decl_state): Alloc in GGC.
1209         (lto_delete_in_decl_state): Likewise.
1210         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1211         Collect.
1212
1213 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1214
1215         PR target/42895
1216         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1217         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1218         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1219         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1220         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1221         account only if HONOR_REG_ALLOC_ORDER is not defined.
1222         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1223         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1224
1225 2010-04-29  Jon Grant  <04@jguk.org>
1226
1227         * collect2.c (vflag): Change type from int to bool.
1228         (debug): Likewise.
1229         (helpflag): New global bool.
1230         (main): Set vflag and debug with boolean, not integer truth values.
1231         Accept new "--help" option and output usage text if found.
1232         * collect2.h (vflag): Update prototype.
1233         (debug): Likewise.
1234
1235 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1236
1237         PR bootstrap/43936
1238         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1239
1240 2010-04-29  Richard Guenther  <rguenther@suse.de>
1241
1242         PR bootstrap/43935
1243         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1244         with ATTRIBUTE_UNUSED.
1245
1246 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1247
1248         PR target/43921
1249         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1250         INSN_P with NONDEBUG_INSN_P.
1251         (distance_non_agu_define): Likewise.
1252         (distance_agu_use): Likewise.
1253
1254 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1255
1256         From Dominique d'Humieres <dominiq@lps.ens.fr>
1257         PR bootstrap/43858
1258         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1259         test_set.
1260
1261 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1262
1263         * plugin.h (invoke_plugin_callbacks): New inline function.
1264         * plugin.c (flag_plugin_added): New global flag.
1265         (add_new_plugin): Initialize above flag.
1266         (invoke_plugin_callbacks): Rename to ...
1267         (invoke_plugin_callbacks_full): ... this.
1268
1269 2010-04-28  Jan Hubicka  <jh@suse.cz>
1270
1271         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1272         (lto_varpool_replace_node): New.
1273         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1274         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1275         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1276         * cgraph.h (varpool_node_ptr): New type.
1277         (varpool_node_ptr): New vector.
1278         (varpool_node_set_def): New structure.
1279         (varpool_node_set): New type.
1280         (varpool_node_set): New vector.
1281         (varpool_node_set_element_def): New structure.
1282         (varpool_node_set_element, const_varpool_node_set_element): New types.
1283         (varpool_node_set_iterator): New type.
1284         (varpool_node): Add prev pointers, add used_from_other_partition,
1285         in_other_partition.
1286         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1287         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1288         varpool_get_node, varpool_remove_node): Declare.
1289         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1290         varpool_node_set_size): New inlines.
1291         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1292         * tree-pass.h (varpool_node_set_def): Forward declare.
1293         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1294         (ipa_write_optimization_summaries): Update prototype.
1295         * ipa-cp.c (ipcp_write_summary): Update.
1296         * ipa-reference.c (ipa_reference_write_summary): Update.
1297         * lto-cgraph.c (lto_output_varpool_node): New static function.
1298         (output_varpool): New function.
1299         (input_varpool_node): New static function.
1300         (input_varpool_1): New function.
1301         (input_cgraph): Input varpool.
1302         * ipa-pure-const.c (pure_const_write_summary): Update.
1303         * lto-streamer-out.c (lto_output): Update, output varpool too.
1304         (write_global_stream): Kill WPA hack.
1305         (produce_asm_for_decls): Update.
1306         (output_alias_pair_p): Handle variables.
1307         (output_unreferenced_globals): Output only needed partition of varpool.
1308         * ipa-inline.c (inline_write_summary): Update.
1309         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1310         cgraph.
1311         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1312         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1313         varpool_node_set_new, varpool_node_set_add,
1314         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1315         debug_varpool_node_set): New functions.
1316         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1317         (execute_one_pass): Process new decls too.
1318         (ipa_write_summaries_2): Pass around vsets.
1319         (ipa_write_summaries_1): Likewise.
1320         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1321         to add.
1322         (ipa_write_optimization_summaries_1): Pass around vsets.
1323         (ipa_write_optimization_summaries): Likewise.
1324         * varpool.c (varpool_get_node): New.
1325         (varpool_node): Update doubly linked lists.
1326         (varpool_remove_node): New.
1327         (dump_varpool_node): More dumping.
1328         (varpool_enqueue_needed_node): Update doubly linked lists.
1329         (decide_is_variable_needed): Kill ltrans hack.
1330         (varpool_finalize_decl): Kill lto hack.
1331         (varpool_assemble_decl): Skip decls in other partitions.
1332         (varpool_assemble_pending_decls): Update doubly linkes lists.
1333         (varpool_empty_needed_queue): Likewise.
1334         (varpool_extra_name_alias): Likewise.
1335         * lto-streamer.c (lto_get_section_name): Add vars section.
1336         * lto-streamer.h (lto_section_type): Update.
1337         (output_varpool, input_varpool): Declare.
1338
1339 2010-04-28  Mike Stump  <mikestump@comcast.net>
1340
1341         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1342
1343 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1344
1345         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1346         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1347         (lto_input_ts_type_tree_pointers): Likewise.
1348         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1349         (lto_output_ts_type_tree_pointers): Likewise.
1350
1351 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1352
1353         Uniquization of constants at the Tree level
1354         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1355         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1356         bit to the end.
1357         (tree_output_constant_def): Declare.
1358         * gimplify.c (gimplify_init_constructor): When using block copy, first
1359         uniquize the constant constructor on the RHS.
1360         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1361         DECL_IN_CONSTANT_POOL flag.
1362         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1363         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1364         constant pool.
1365         (assemble_variable): Deal with symbols belonging to the tree constant
1366         pool.
1367         (get_constant_section): Add ALIGN parameter and simplify.
1368         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1369         (assemble_constant_contents): Use the expression of the VAR_DECL.
1370         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1371         (tree_output_constant_def): New global function.
1372         (mark_constant): Use the expression of the VAR_DECL.
1373         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1374         its expression.
1375         (output_object_block): Likewise and assemble the expression.
1376
1377 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1378
1379         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1380         hash_tree, eq_tree): New tree hash table.
1381         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1382         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1383         lto_orig_address_remove): Reimplement.
1384
1385 2010-04-28  Xinliang David Li  <davidxl@google.com>
1386
1387         PR c/42643
1388         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1389         (compute_uninit_opnds_pos): New function.
1390         (is_non_loop_exit_postdominating): New function.
1391         (compute_control_dep_chain): New function.
1392         (find_pdom): New function.
1393         (convert_control_dep_chain_into_preds): New function.
1394         (find_predicates): New function.
1395         (find_control_equiv_block): New function.
1396         (collect_phi_def_edges): New function.
1397         (find_def_preds): New function.
1398         (find_dom): New function.
1399         (dump_predicates): New function.
1400         (get_cmp_code): New function.
1401         (is_value_included_in): New function.
1402         (find_matching_predicate_in_rest_chains): New function.
1403         (use_pred_not_overlap_with_undef_path_pred): New function.
1404         (is_use_properly_guarded): New function.
1405         (normalize_cond_1): New function.
1406         (is_and_or_or): New function.
1407         (normalize_cond): New function.
1408         (is_gcond_subset_of): New function.
1409         (is_subset_of_any): New function.
1410         (is_or_set_subset_of): New function.
1411         (is_and_set_subset_of): New function.
1412         (is_norm_cond_subset_of): New function.
1413         (is_pred_expr_subset_of): New function.
1414         (is_pred_chain_subset_of): New function.
1415         (is_included_in): New function.
1416         (is_superset_of): New function.
1417         (find_uninit_use): New function.
1418         (warn_uninitialized_phi): New function.
1419         (compute_possibly_undefined_names): New function.
1420         (ssa_undefined_value_p): New function.
1421         (execute_late_warn_uninitialized): New function.
1422         * tree-ssa.c (ssa_undefined_value_p): Removed.
1423         (warn_uninit): Changed to extern.
1424         (warn_uninitialized_phi): Removed.
1425         (warn_uninitialized_vars): Changed to extern.
1426         (execute_late_warn_uninitialized): Removed
1427         * tree-flow.h: Add new prototypes.
1428         * timevar.def: Add new time variable.
1429         * Makefile.in: Add new build file.
1430
1431 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1432
1433         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1434         type if available.
1435
1436 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1437
1438         PR target/22224
1439         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1440
1441 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1442
1443         * cgraph.h (struct cgraph_node): New field indirect_calls.
1444         (struct cgraph_indirect_call_info): New type.
1445         (struct cgraph_edge): Removed field indirect_call. New fields
1446         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1447         (cgraph_create_indirect_edge): Declare.
1448         (cgraph_make_edge_direct): Likewise.
1449         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1450         * ipa-prop.h (struct ipa_param_call_note): Removed.
1451         (struct ipa_node_params): Removed field param_calls.
1452         (ipa_create_all_structures_for_iinln): Declare.
1453         * cgraph.c: Described indirect edges and uids in initial comment.
1454         (cgraph_add_edge_to_call_site_hash): New function.
1455         (cgraph_edge): Search also among the indirect edges, use
1456         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1457         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1458         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1459         site hash.
1460         (initialize_inline_failed): Assign a reason to indirect edges.
1461         (cgraph_create_edge_1): New function.
1462         (cgraph_create_edge): Moved some functionality to
1463         cgraph_create_edge_1.
1464         (cgraph_create_indirect_edge): New function.
1465         (cgraph_edge_remove_callee): Add an assert checking for
1466         non-indirectness.
1467         (cgraph_edge_remove_caller): Special-case indirect edges.
1468         (cgraph_remove_edge): Likewise.
1469         (cgraph_set_edge_callee): New function.
1470         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1471         (cgraph_make_edge_direct): New function.
1472         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1473         the declaration of the call statement matches.
1474         (cgraph_node_remove_callees): Special-case indirect edges.
1475         (cgraph_clone_edge): Likewise.
1476         (cgraph_clone_node): Clone also the indirect edges.
1477         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1478         indirect_call, dump count of indirect_calls edges.
1479         * ipa-prop.c (iinlining_processed_edges): New variable.
1480         (ipa_note_param_call): Create indirect edges instead of
1481         creating notes.  New parameter node.
1482         (ipa_analyze_call_uses): New parameter node, pass it on to
1483         ipa_note_param_call.
1484         (ipa_analyze_stmt_uses): Likewise.
1485         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1486         (print_edge_addition_message): Work on edges rather than on notes.
1487         (update_call_notes_after_inlining): Likewise, renamed to
1488         update_indirect_edges_after_inlining.
1489         (ipa_create_all_structures_for_iinln): New function.
1490         (ipa_free_node_params_substructures): Do not free notes.
1491         (ipa_edge_duplication_hook): Propagate bits within
1492         iinlining_processed_edges bitmap.
1493         (ipa_node_duplication_hook): Do not duplicate notes.
1494         (free_all_ipa_structures_after_ipa_cp): Renamed to
1495         ipa_free_all_structures_after_ipa_cp.
1496         (free_all_ipa_structures_after_iinln): Renamed to
1497         ipa_free_all_structures_after_iinln.
1498         (ipa_write_param_call_note): Removed.
1499         (ipa_read_param_call_note): Removed.
1500         (ipa_write_indirect_edge_info): New function.
1501         (ipa_read_indirect_edge_info): Likewise.
1502         (ipa_write_node_info): Do not stream notes, do stream information
1503         in indirect edges.
1504         (ipa_read_node_info): Likewise.
1505         (lto_ipa_fixup_call_notes): Removed.
1506         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1507         * ipa-inline.c (pass_ipa_inline): Likewise.
1508         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1509         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1510         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1511         is_gimple_call.
1512         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1513         edges.
1514         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1515         (output_cgraph): Stream also indirect edges.
1516         (lto_output_edge): Added capability to stream indirect edges.
1517         (input_edge): Likewise.
1518         (input_cgraph_1): Likewise.
1519         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1520         of indirect edges.
1521
1522 2010-04-28  Richard Guenther  <rguenther@suse.de>
1523
1524         PR tree-optimization/43879
1525         PR tree-optimization/43909
1526         * tree-ssa-structalias.c (struct variable_info): Add
1527         only_restrict_pointers flag.
1528         (new_var_info): Initialize it.  Increment stats.total_vars here.
1529         (create_function_info_for): Do not increment stats.total_vars here.
1530         (get_function_part_constraint): Fix build with C++.
1531         (insert_into_field_list): Remove.
1532         (push_fields_onto_fieldstack): Properly merge fields.
1533         (create_variable_info_for): Split and simplify.
1534         (create_variable_info_for_1): New piece.
1535         (intra_create_variable_infos): Properly make restrict constraints
1536         from parameters.
1537
1538 2010-04-28  Richard Guenther  <rguenther@suse.de>
1539
1540         PR c++/43880
1541         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1542
1543 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1544             Jan Hubicka <hubicka@ucw.cz>
1545
1546         * doc/invoke.texi (-Wsuggest-attribute=const,
1547         -Wsuggest-attribute=pure): Document.
1548         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1549         (function_always_visible_to_compiler_p,
1550         suggest_attribute, warn_function_pure, warn_function_const):
1551         New functions.
1552         (check_call): Improve debug info.
1553         (analyze_function): Do not check availability.
1554         (add_new_function): Check availability.
1555         (propagate): Output warnings.
1556         (skip_function_for_local_pure_const): New function.
1557         (local_pure_const): Use it; output warnings.
1558         * common.opt (Wsuggest-attribute=const,
1559         Wsuggest-attribute=pure): New.
1560
1561 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1562
1563         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1564         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1565         or DW_CFA_def_cfa_offset{,_sf}.
1566
1567 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1568
1569         * tree.h: Fix truncated long macros.
1570
1571 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1572
1573         * collect2.c (TARGET_64BIT): Redefine to target's default.
1574         * tlink.c: Likewise.
1575         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1576         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1577         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1578         for underscoring __USER_LABEL_PREFIX__.
1579         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1580         (SUB_LINK_ENTRY32): New.
1581         (SUB_LINK_ENTRY64): New.
1582         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1583         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1584         (SUB_LINK_ENTRY64): New.
1585         (SUB_LINK_ENTRY): New.
1586         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1587         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1588         x64 target is choosen.
1589         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1590         * configure: Regenerated.
1591         * configure.ac (leading-mingw64-underscores): Option added.
1592
1593 2010-04-27  Jan Hubicka  <jh@suse.cz>
1594
1595         * doc/invoke.texi (-fipa-profile): Document.
1596         * opts.c (decode_options): Enable ipa-profile at -O1.
1597         * timevar.def (TV_IPA_PROFILE): Define.
1598         * common.opt (fipa-profile): Add.
1599         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1600         flag for clones.
1601         (cgraph_propagate_frequency): Handle only local ones.
1602         * tree-pass.h (pass_ipa_profile): Declare.
1603         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1604         (pass_ipa_profile): Use TV_IPA_PROFILE.
1605         * ipa.c (ipa_profile): New function.
1606         (gate_ipa_profile): Likewise.
1607         (pass_ipa_profile): New global variable.
1608         * passes.c (pass_ipa_profile): New.
1609
1610 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1611
1612         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1613
1614 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1615
1616         PR middle-end/43812
1617         * ipa.c (dissolve_same_comdat_group_list): New function.
1618         (function_and_variable_visibility): Call
1619         dissolve_same_comdat_group_list when comdat group contains external or
1620         newly local nodes.
1621         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1622         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1623
1624 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1625
1626         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1627         (const_hash_1) <VECTOR_CST>: New case.
1628         (compare_constant) <VECTOR_CST>: Likewise.
1629         <ADDR_EXPR>: Deal with LABEL_REFs.
1630         (copy_constant) <VECTOR_CST>: New case.
1631
1632 2010-04-27  Jan Hubicka  <jh@suse.cz>
1633
1634         * cgraph.c (cgraph_propagate_frequency): New function.
1635         * cgraph.h (cgraph_propagate_frequency): Declare.
1636         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1637         cgraph_propagate_frequency.
1638
1639 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1640
1641         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1642
1643 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1644
1645         PR target/40657
1646         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1647         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1648         here to determine which regs to push and how much stack to reserve.
1649
1650 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1651
1652         * doc/gimple.texi (gimple_statement_with_ops): Remove
1653         addresses_taken field.
1654         (gimple_statement_with_memory_ops): Likewise.
1655
1656 2010-04-27  Jan Hubicka  <jh@suse.cz>
1657
1658         * tree-inline.c (eni_inlining_weights): Remove.
1659         (estimate_num_insns): Special case more builtins.
1660
1661 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1662
1663         PR c/32207
1664         * c-typeck.c (build_binary_op): Move forward check for comparison
1665         pointer with null pointer constant and adjust the diagnostic message.
1666
1667 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1668
1669         PR lto/42776
1670         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1671         binutils supports extended .section directive needed by LTO, or
1672         warn if older binutils found.
1673         (LTO_BINARY_READER): New AC_SUBST'd variable.
1674         (LTO_USE_LIBELF): Likewise.
1675         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1676         variable.
1677         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1678         (LTO_USE_LIBELF): Likewise.
1679         * configure: Regenerate.
1680
1681         * collect2.c (is_elf): Rename from this ...
1682         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1683          object files in addition to ELF-formatted ones.
1684         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1685         symbol to be prefixed or not by an extra underscore.
1686
1687         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1688         * config/i386/winnt.c: Also #include lto-streamer.h
1689         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1690         LTO named sections.
1691         (i386_pe_asm_output_aligned_decl_common): Add comment.
1692         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1693
1694 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1695
1696         PR target/43889
1697         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1698         Add missing earlyclobber for second alternative.
1699
1700 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1701
1702         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1703         bits for artificial defs at the top of the block.
1704         * fwprop.c (single_def_use_enter_block): Don't call it.
1705
1706 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1707
1708         PR 43715
1709         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1710         instead of "$gcc_cv_objdump -T".
1711         Use "-undefined dynamic_lookup" on darwin.
1712         * gcc/configure: Regenerate.
1713
1714 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1715
1716         PR c/43893
1717         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1718
1719 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1720
1721         * c-parser.c (struct c_token): Move location field up.
1722         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1723         (struct c_declspecs): Convert typespec_word, storage_class, and
1724         default_int_p into bitfields.
1725         (struct c_declarator): Move loc field up.
1726
1727 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1728
1729         * cfgloop.h (struct loop): Move can_be_parallel field up.
1730         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1731         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1732         down.
1733         (struct iv_cand): Convert pos field into a bitfield.
1734         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1735         field up.
1736         (struct _stmt_vec_info): Shuffle fields for better packing.
1737
1738 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1739
1740         * varasm.c (IN_NAMED_SECTION): Remove guard.
1741         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1742         (IN_NAMED_SECTION_P): ...this.
1743         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1744         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1745
1746 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1747
1748         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1749         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1750         of shadowing it.  Fix comments.
1751
1752 2010-04-26  Jan Hubicka  <jh@suse.cz>
1753
1754         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1755         (cgraph_clone_node): Copy function frequency.
1756         * cgraph.h (node_frequency): New enum
1757         (struct cgraph_node): Add.
1758         * final.c (rest_of_clean_state): Update.
1759         * lto-cgraph.c (lto_output_node): Output node frequency.
1760         (input_overwrite_node): Input node frequency.
1761         * tre-ssa-loop-ivopts (computation_cost): Update.
1762         * lto-streamer-out.c (output_function): Do not output function
1763         frequency.
1764         * predict.c (maybe_hot_frequency_p): Update and handle functions
1765         executed once.
1766         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1767         attribute lookup.
1768         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1769         (compute_function_frequency): Set noreturn functions to be executed
1770         once.
1771         (choose_function_section): Update.
1772         * lto-streamer-in.c (input_function): Do not input function frequency.
1773         * function.c (allocate_struct_function): Do not initialize function
1774         frequency.
1775         * function.h (function_frequency): Remove.
1776         (struct function): Remove function frequency.
1777         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1778         (try_update): Update.
1779         * tree-inline.c (initialize_cfun): Do not update function frequency.
1780         * passes.c (pass_init_dump_file): Update.
1781         * i386.c (ix86_compute_frame_layout): Update.
1782         (ix86_pad_returns): Update.
1783
1784 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1785
1786         PR tree-optimization/43833
1787         * tree-vrp.c (range_int_cst_p): New.
1788         (range_int_cst_singleton_p): New.
1789         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1790         when both operands are constants.  Use range_int_cst_p in
1791         BIT_IOR_EXPR case.
1792
1793 2010-04-26  Jan Hubicka  <jh@suse.cz>
1794
1795         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1796
1797 2010-04-26  Richard Guenther  <rguenther@suse.de>
1798
1799         PR lto/43080
1800         * gimple.c (gimple_decl_printable_name): Deal gracefully
1801         with a NULL DECL_NAME.
1802
1803 2010-04-26  Richard Guenther  <rguenther@suse.de>
1804
1805         PR lto/42425
1806         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1807         if emitting debug information and it is either a function
1808         or a namespace decl.
1809
1810 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1811
1812         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1813         determine if the statement is vectorizable, and a macro to access it.
1814         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1815         Skip statements that can't be vectorized. If the analysis fails,
1816         mark the statement as unvectorizable if vectorizing basic block.
1817         (vect_compute_data_refs_alignment): Likewise.
1818         (vect_verify_datarefs_alignment): Skip statements marked as
1819         unvectorizable. Add print.
1820         (vect_analyze_group_access): Skip statements that can't be
1821         vectorized. If the analysis fails, mark the statement as
1822         unvectorizable if vectorizing basic block.
1823         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1824         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1825         generated stmts for SLP.
1826         (new_stmt_vec_info): Initialize the new field.
1827         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1828         statements marked as unvectorizable.
1829
1830 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1831
1832         * c-common.c (flag_isoc1x): New.
1833         (flag_isoc99): Update comment.
1834         * c-common.h (flag_isoc1x): New.
1835         (flag_isoc99): Update comment.
1836         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1837         __<type>_DECIMAL_DIG__.
1838         * c-opts.c (set_std_c1x): New.
1839         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1840         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1841         * c.opt (-std=c1x, -std=gnu1x): New options.
1842         * doc/cpp.texi: Mention -std=c1x.
1843         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1844         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1845         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1846         * doc/standards.texi: Mention C1X.
1847         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1848         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1849         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1850         Define for C1X.
1851
1852 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1853
1854         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1855         placeholder from 0x%x to %#x.
1856         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1857         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1858         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1859         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1860         * config/i386/i386.c (ix86_target_string): Ditto.
1861         (output_pic_addr_const): Ditto.
1862         (print_operand): Ditto.
1863
1864 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1865
1866         * combine.c (find_split_point): Add third argument.  Use it
1867         to find nested multiply-accumulate instructions.  Adjust calls.
1868         (try_combine): Adjust call to find_split_point.
1869
1870 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1871
1872         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1873
1874 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1875
1876         PR tree-optimization/41442
1877         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1878         (fold_binary_loc): Call it.
1879
1880 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1881
1882         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1883         * opts.c (common_handle_option): Allow disabling it.
1884         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1885
1886 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1887
1888         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1889         between modes if both types are integral.
1890
1891 2010-04-23  Richard Guenther  <rguenther@suse.de>
1892
1893         PR tree-optimization/43572
1894         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1895
1896 2010-04-23  Richard Guenther  <rguenther@suse.de>
1897
1898         PR lto/43455
1899         * tree-inline.c (tree_can_inline_p): Also check compatibility
1900         of return types.
1901
1902 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1903
1904         PR tree-optimization/43846
1905         * tree-sra.c (struct access): New flag grp_assignment_read.
1906         (build_accesses_from_assign): Set grp_assignment_read.
1907         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1908         (enum mark_read_status): New type.
1909         (analyze_access_subtree): Propagate grp_assignment_read, create
1910         accesses also if both direct_read and root->grp_assignment_read.
1911
1912 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1913
1914         PR middle-end/43835
1915         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1916         function does not have type attributes.
1917
1918 2010-04-23  Richard Guenther  <rguenther@suse.de>
1919
1920         PR lto/42653
1921         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1922         of FUNCTION_DECLs.
1923
1924 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1925
1926         * sese.h (create_if_region_on_edge): Remove.
1927
1928         * sese.c (create_if_region_on_edge): Make static.
1929
1930         * tree-inline.c: Do not include ggc.h.
1931
1932         * expr.c: Do not include ggc.h.
1933
1934         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1935         dependencies.
1936
1937 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1938
1939         PR target/43744
1940         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1941         in the middle of insns for casesi_worker_2.
1942
1943 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1944
1945         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1946
1947 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1948
1949         PR tree-optimization/43842
1950         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1951         loop unrolling in update of exit phis. Fix comment.
1952         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1953         least two reduction statements in the loop before starting SLP
1954         analysis.
1955
1956 2010-04-22  Nick Clifton  <nickc@redhat.com>
1957
1958         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1959
1960 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1961
1962         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1963         to simplify a + ~a.
1964
1965 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1966
1967         * tree-parloops.c (loop_parallel_p): New argument
1968         parloop_obstack.  Pass it down.
1969         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1970         pass it down, free it.
1971
1972         * tree-loop-linear.c (linear_transform_loops): Pass down
1973         lambda_obstack.
1974
1975         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1976         of type struct obstack *.
1977
1978         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1979         scratch_obstack.  Initialize it, pass down, free it.
1980
1981         * lambda.h (lambda_loop_new): Remove.
1982         (lambda_matrix_new, lambda_matrix_inverse)
1983         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1984         argument of type struct obstack *.
1985
1986         * lambda-trans.c (lambda_trans_matrix_new): New argument
1987         lambda_obstack.  Pass it down, use obstack allocation for ret.
1988         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1989         it down.
1990
1991         * lambda-mat.c (lambda_matrix_get_column)
1992         (lambda_matrix_project_to_null): Remove.
1993         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1994         allocation for mat.
1995         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1996         lambda_obstack.
1997
1998         * lambda-code.c (lambda_loop_new): New function.
1999         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
2000         (lambda_compute_auxillary_space, lambda_compute_target_space)
2001         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
2002         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
2003         (build_access_matrix): New argument lambda_obstack.  Use obstack
2004         allocation for am.
2005         (lambda_compute_step_signs, lambda_compute_access_matrices): New
2006         argument lambda_obstack.  Pass it down.
2007
2008 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2009
2010         * optabs.h (expand_widening_mult): Declare.
2011
2012 2010-04-22  Richard Guenther  <rguenther@suse.de>
2013
2014         PR tree-optimization/43845
2015         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
2016         lookup the CALL_EXPR function and arguments.
2017
2018 2010-04-22  Nick Clifton  <nickc@redhat.com>
2019
2020         * config/stormy16/stormy16.c
2021         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
2022         * config/stormy16/stormy16.h: Tidy up formatting.
2023         (DONT_USE_BUILTIN_SETJMP): Remove definition.
2024         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
2025         (ineqbranchsi): Delete pattern.
2026         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
2027         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
2028         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
2029         stormy16-lib2-ucmpsi2.c.
2030
2031 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2032
2033         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
2034         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
2035         extra set merge_set_noclobber, and use it to relax the final test
2036         slightly.
2037         * df.h (df_simulate_find_noclobber_defs): Declare.
2038         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
2039         conditional defs.
2040         (df_simulate_find_noclobber_defs): New function.
2041
2042 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
2043
2044         * config/i386/i386.md: Use {} around multi-line preparation statements.
2045
2046 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2047
2048         * c-tree.h (push_init_level, pop_init_level, set_init_index)
2049         (process_init_element): New argument of type struct obstack *.
2050
2051         * c-typeck.c (push_init_level, pop_init_level, set_designator)
2052         (set_init_index, set_init_label, set_nonincremental_init)
2053         (set_nonincremental_init_from_string, find_init_member)
2054         (output_init_element, output_pending_init_elements)
2055         (process_init_element): New argument braced_init_obstack.  Pass it
2056         down.
2057         (push_range_stack, add_pending_init): New argument
2058         braced_init_obstack.  Use obstack allocation.
2059
2060         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
2061         braced_init_obstack.  Pass it down.
2062         (c_parser_braced_init): New variables ret, braced_init_obstack.
2063         Initialize obstack, pass it down and finally free it.
2064
2065 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
2066
2067         PR middle-end/29274
2068         * tree-pass.h (pass_optimize_widening_mul): Declare.
2069         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
2070         gate_optimize_widening_mul): New static functions.
2071         (pass_optimize_widening_mul): New.
2072         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
2073         <case MULT_EXPR>: Remove support for widening multiplies.
2074         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
2075         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
2076         simplify_gen_unary rather than directly building extensions.
2077         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
2078         WIDEN_MULT_EXPR.
2079         * expmed.c (expand_widening_mult): New function.
2080         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
2081
2082 2010-04-21  Jan Hubicka  <jh@suse.cz>
2083
2084         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
2085         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
2086         * lto-wpa-fixup.c: Remove.
2087         * Makefile.in (lto-wpa-fixup.o): Remove.
2088         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
2089         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
2090         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
2091
2092 2010-04-21  Jan Hubicka  <jh@suse.cz>
2093
2094         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
2095         add write_optimization_summary, read_optimization_summary.
2096         (ipa_write_summaries_of_cgraph_node_set): Remove.
2097         (ipa_write_optimization_summaries): Declare.
2098         (ipa_read_optimization_summaries): Declare.
2099         * ipa-cp.c (pass_ipa_cp): Update.
2100         * ipa-reference.c (pass_ipa_reference): Update.
2101         * ipa-pure-const.c (pass_ipa_pure_const): Update.
2102         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
2103         Update.
2104         * ipa-inline.c (pass_ipa_inline): Update.
2105         * ipa.c (pass_ipa_whole_program): Update.
2106         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
2107         * passes.c (ipa_write_summaries_1): Do not test wpa.
2108         (ipa_write_optimization_summaries_1): New.
2109         (ipa_write_optimization_summaries): New.
2110         (ipa_read_summaries): Do not test ltrans.
2111         (ipa_read_optimization_summaries_1): New.
2112         (ipa_read_optimization_summaries): New.
2113
2114 2010-04-21  Jan Hubicka  <jh@suse.cz>
2115
2116         * lto-cgraph.c (lto_output_node): Do not output comdat groups
2117         for boundary nodes.
2118         (output_cgraph): Do not arrange comdat groups for boundary nodes.
2119
2120 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2121
2122         PR debug/40040
2123         * dwarf2out.c (add_name_and_src_coords_attributes): Add
2124         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
2125
2126 2010-04-21  Jan Hubicka  <jh@suse.cz>
2127
2128         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
2129
2130 2010-04-21  Jan Hubicka  <jh@suse.cz>
2131
2132         * varpool.c (decide_is_variable_needed): Variable is always needed
2133         during ltrans.
2134
2135 2010-04-21  Jan Hubicka  <jh@suse.cz>
2136
2137         * opts.c (decode_options): Enable pure-const pass for whopr.
2138
2139 2010-04-21  Jan Hubicka  <jh@suse.cz>
2140
2141         * cgraph.c (dump_cgraph_node): Dump also assembler name.
2142         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
2143         at WPA dumping.
2144         (cgraph_decide_inlining): Do not expect callee to be removed in all
2145         cases.
2146
2147 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
2148
2149         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
2150
2151 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2152
2153         * config/i386/i386.md (x86_shrd): Add athlon_decode and
2154         amdfam10_decode attributes.
2155
2156 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2157
2158         PR middle-end/43570
2159         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
2160         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
2161         (lower_copyprivate_clauses): Use private var in outer
2162         context instead of original var.  Make sure the types
2163         are correct for VLAs.
2164
2165 2010-04-21  Richard Guenther  <rguenther@suse.de>
2166
2167         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
2168         to non-pointer objects.
2169
2170 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2171
2172         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2173         last chain entry if it starts with the still current label.
2174         (add_location_or_const_value_attribute): Check that
2175         loc_list->first->next is NULL instead of comparing ->first with ->last.
2176         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2177         to add_var_loc_to_decl.
2178
2179         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2180         >= 4 add also address size and segment size fields into CIE header.
2181
2182         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2183         long as address size is the same as sizeof (void *) and
2184         segment size is 0.
2185         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2186         address size or segment size is unexpected, return DW_EH_PE_omit.
2187         (classify_object_over_fdes): If get_cie_encoding returned
2188         DW_EH_PE_omit, return -1.
2189         (init_object): If classify_object_over_fdes returned -1,
2190         pretend there were no FDEs at all.
2191
2192 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2193
2194         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2195         bswap{si,di}2 using SWI48 mode iterator.
2196         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2197         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2198         set modrm attribute of bswap insn to 0 and remove length attribute.
2199         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2200         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2201         set mode attribute to <MODE> and remove length attribute.
2202
2203 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2204
2205         PR rtl-optimization/43520
2206         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2207         zero available registers.
2208
2209 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2210
2211         * builtins.c (fold_builtin_cproj): Fold more cases.
2212
2213 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2214
2215         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2216         (fold_builtin_1): Fold builtin cproj.
2217         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2218         Use ATTR_CONST_NOTHROW_LIST.
2219
2220 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2221
2222         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2223         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2224         ffsi2_no_cmove for !TARGET_CMOVE.
2225         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2226         (ffssi2): Remove expander.
2227         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2228         mode iterator.
2229         (ctz<mode>2): Ditto from ctz{si,di}2.
2230         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2231         mode iterator.
2232         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2233         mode iterator.
2234
2235 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2236
2237         * dwarf2out.c (AT_linkage_name): Define.
2238         (clone_as_declaration): Handle DW_AT_linkage_name.
2239         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2240         of DW_AT_MIPS_linkage_name.
2241         (move_linkage_attr): Likewise.
2242         (dwarf2out_finish): Likewise.
2243
2244 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2245
2246         PR middle-end/41952
2247         * fold-const.c (fold_comparison): New folding rule.
2248
2249 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2250
2251         * double-int.h (double_int_setbit): Declare.
2252         * double-int.c (double_int_setbit): New function.
2253         * rtl.h (immed_double_int_const): Declare.
2254         * emit-rtl.c (immed_double_int_const): New function.
2255         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2256         and immed_double_int_const functions.
2257         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2258         expand_copysign_bit):  (Ditto.).
2259         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2260         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2261         * dojump.c (prefer_and_bit_test): (Ditto.).
2262         * expr.c (convert_modes, reduce_to_bit_field_precision,
2263         const_vector_from_tree): (Ditto.).
2264         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2265
2266 2010-04-20  Jan Hubicka  <jh@suse.cz>
2267
2268         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2269         (dump_cgraph_node): Dump new flags.
2270         * cgraph.h (struct cgraph_node): Add flags
2271         reachable_from_other_partition and in_other_partition.
2272         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2273         other partition can not be removed.
2274         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2275         the other partition must be output; silence sanity checking on
2276         leaking functions bodies from other paritition.
2277         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2278         (lto_output_node): Output new flags; do not sanity check that inline
2279         clones are output; drop lto_forced_extern_inline_p code; do not mock
2280         visibility flags at partition boundaries.
2281         (add_node_to): New function.
2282         (output_cgraph): Use it to sort functions so masters appear before
2283         clones.
2284         (input_overwrite_node): Input new flags.
2285         * passes.c (ipa_write_summaries): Do not call
2286         lto_new_extern_inline_states.
2287         * lto-section-out.c (forced_extern_inline,
2288         lto_new_extern_inline_states lto_delete_extern_inline_states,
2289         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2290         * lto-streamer.h (lto_new_extern_inline_states,
2291         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2292         lto_forced_extern_inline_p): Kill.
2293
2294 2010-04-20  Richard Guenther  <rguenther@suse.de>
2295
2296         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2297         from vars that can have pointers.
2298         (process_constraint): Dump useless constraints.
2299
2300 2010-04-20  Richard Guenther  <rguenther@suse.de>
2301
2302         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2303         (dump_sa_points_to_info): Remove asserts.
2304         (init_base_vars): nothing_id isn't an escape point nor does it
2305         have pointers.
2306
2307 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2308
2309         * tree.h (TYPE_REF_IS_RVALUE): Define.
2310         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2311         should_move_die_to_comdat, prune_unused_types_walk): Handle
2312         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2313         (modified_type_die, gen_reference_type_die): Emit
2314         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2315         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2316
2317 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2318
2319         PR target/43635
2320         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2321         calls for -fpic -m31 if they have been sibcall optimized.
2322
2323 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2324
2325         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2326         ar.lc fixed and call-used.
2327
2328         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2329
2330 2010-04-19  Jan Hubicka  <jh@suse.cz>
2331
2332         * opts.c (decode_options): Disable whpr incompatible passes.
2333         * lto/lto.c (lto_1_to_1_map): Skip clones.
2334         (read_cgraph_and_symbols): Do not mark everything as needed.
2335         (do_whole_program_analysis): Do map only after optimizing;
2336         set proper cgraph_state; use passmanager.
2337
2338 2010-04-19  DJ Delorie  <dj@redhat.com>
2339
2340         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2341         POINTER_PLUS_EXPR and fix them.
2342
2343 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2344
2345         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2346         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2347         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2348         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2349         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2350         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2351         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2352         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2353         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2354         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2355         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2356
2357 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2358
2359         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2360         (check_cond_move_block): Likewise.
2361         (cond_move_process_if_block): Likewise.
2362         (noce_find_if_block): Improve formatting.
2363         (find_if_header): Pass 0 to memset and tweak conditions.
2364         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2365
2366 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2367
2368         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2369         for -gdwarf-4.
2370
2371         PR middle-end/43337
2372         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2373         with non-local decl doesn't need chain.
2374
2375 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2376
2377         * ira-color.c (allocno_reload_assign): Avoid accumulating
2378         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2379
2380 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2381
2382         * gimple.h (create_tmp_reg): Declare.
2383         * gimplify.c (create_tmp_reg): New function.
2384         (gimplify_return_expr): Use create_tmp_reg.
2385         (gimplify_omp_atomic): Likewise.
2386         (gimple_regimplify_operands): Likewise.
2387         * tree-dfa.c (make_rename_temp): Likewise.
2388         * tree-predcom.c (predcom_tmp_var): Likewise.
2389         (reassociate_to_the_same_stmt): Likewise.
2390         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2391         (get_replaced_param_substitute): Likewise.
2392         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2393         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2394         * tree-ssa-pre.c (get_representative_for): Likewise.
2395         (create_expression_by_pieces): Likewise.
2396         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2397         (create_tailcall_accumulator): Likewise.
2398
2399 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2400
2401         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2402         new_stmt.
2403         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2404
2405 2010-04-19  Richard Guenther  <rguenther@suse.de>
2406
2407         PR tree-optimization/43796
2408         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2409         from SCEV in the lattice.
2410         (vrp_visit_phi_node): Dump change.
2411
2412 2010-04-19  Richard Guenther  <rguenther@suse.de>
2413
2414         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2415         * configure: Re-generated.
2416
2417 2010-04-19  Richard Guenther  <rguenther@suse.de>
2418
2419         PR tree-optimization/43783
2420         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2421         constant ARRAY_REF operands two and three if possible.
2422
2423 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2424
2425         PR target/43766
2426         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2427
2428 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2429
2430         PR target/43662
2431         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2432
2433 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2434
2435         PR tree-optimization/37027
2436         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2437         and macro to access it.
2438         (vectorizable_reduction): Add argument.
2439         (vect_get_slp_defs): Likewise.
2440         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2441         statements for possible use in SLP.
2442         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2443         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2444         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2445         add new argument.
2446         (vectorizable_reduction): Likewise.
2447         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2448         vect_get_slp_defs.
2449         (vectorizable_type_demotion, vectorizable_type_promotion,
2450         vectorizable_store): Likewise.
2451         (vect_analyze_stmt): Update call to vectorizable_reduction.
2452         (vect_transform_stmt): Likewise.
2453         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2454         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2455         from different interleaving chains in same node.
2456         (vect_slp_rearrange_stmts): New function.
2457         (vect_supported_load_permutation_p): Allow load permutations for
2458         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2459         inside SLP nodes if necessary.
2460         (vect_analyze_slp_instance): Handle reductions.
2461         (vect_analyze_slp): Try to build SLP instances originating from groups
2462         of reductions.
2463         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2464         (vect_get_constant_vectors): Create initial vectors for reductions
2465         according to reduction code. Add new argument.
2466         (vect_get_slp_defs): Add new argument, pass it to
2467         vect_get_constant_vectors.
2468         (vect_schedule_slp_instance): Remove SLP tree root statements.
2469
2470 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2471
2472         * tree.h (ENUM_IS_SCOPED): Define.
2473         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2474         for ENUM_IS_SCOPED enums.
2475
2476 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2477
2478         * fold-const.c (fold_comparison): Use ssizetype.
2479         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2480         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2481         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2482         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2483
2484         * tree.h (initialize_sizetypes): Remove parameter.
2485         (build_common_tree_nodes): Remove second parameter.
2486         * stor-layout.c (initialize_sizetypes): Remove parameter.
2487         Always create an unsigned type.
2488         (set_sizetype): Assert that the passed type is unsigned and simplify.
2489         * tree.c (build_common_tree_nodes): Remove second parameter.
2490         Adjust call to initialize_sizetypes.
2491         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2492         build_common_tree_nodes.
2493
2494 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2495
2496         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2497
2498 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2499
2500         PR tree-optimization/43771
2501         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2502         load permutation doesn't have gaps.
2503
2504 2010-04-18  Jan Hubicka  <jh@suse.cz>
2505
2506         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2507         (sse_prologue_save_insn expander): Use new pattern.
2508         (sse_prologue_save_insn1): New pattern and splitter.
2509         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2510         blocks.
2511         * i386.c (setup_incoming_varargs_64): Do not compute jump
2512         destination here.
2513         (ix86_gimplify_va_arg): Update alignment needed.
2514         (ix86_local_alignment): Do not align all local arrays to 128bit.
2515
2516 2010-04-17  Jan Hubicka  <jh@suse.cz>
2517
2518         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2519
2520 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2521
2522         * arm.md (negdi2): Remove redundant code to force values into a
2523         register.
2524
2525 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2526
2527         * arm/bpabi.S: Add EABI alignment attributes to objects.
2528         * arm/bpabi-v6m.S: Likewise.
2529         * arm/crti.asm: Likewise.
2530         * arm/crtn.asm: Likewise.
2531         * arm/lib1funcs.asm: Likewise.
2532         * arm/libunwind.S: Likewise.
2533
2534 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2535
2536         * arm-protos.h (tune_params): New structure.
2537         * arm.c (current_tune): New variable.
2538         (arm_constant_limit): Delete.
2539         (struct processors): Add pointer to the tune parameters.
2540         (arm_slowmul_tune): New tuning option.
2541         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2542         (all_cores): Adjust to pick up the tuning model.
2543         (arm_constant_limit): New function.
2544         (arm_override_options): Select the appropriate tuning model.  Delete
2545         initialization of arm_const_limit.
2546         (arm_split_constant): Use the new constant-limit model.
2547         (arm_rtx_costs): Pick up the current tuning model.
2548         * arm.md (is_strongarm, is_xscale): Delete.
2549         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2550         for Xscale variant architectures.
2551         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2552
2553 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2554
2555         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2556         can_shift.
2557         (arm_rtx_costs_1): Remove unused variable extra_cost.
2558         (arm_unwind_emit_set): Use variable offset.
2559         (thumb1_output_casesi): Remove unused variable flags.
2560
2561 2010-04-16  Jeff Law  <law@redhat.com>
2562
2563         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2564         needing assignment rather than doing a two-phase assignment.  Remove
2565         unused variable 'm'.
2566
2567 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2568
2569         PR bootstrap/43767
2570         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2571
2572 2010-04-16  Doug Kwan  <dougkwan@google.com>
2573
2574         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2575         (next_operand_entry_id): New static variable.
2576         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2577         (add_to_ops_vec): Assigned unique ID to operand entry.
2578         (struct oecount_s): New field ID.
2579         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2580         (undistribute_ops_list): Assign unique IDs to oecounts.
2581         (init_reassoc): reset next_operand_entry_id.
2582
2583 2010-04-16  Doug Kwan  <dougkwan@google.com>
2584
2585         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2586         missing left parenthesis.
2587
2588 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2589
2590         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2591         *btdi_rex64 using SWI48 mode iterator.
2592         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2593         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2594         *jcc_btdi_mask_rex64.
2595
2596 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2597
2598         * double-int.h (tree_to_double_int): Convert to macro.
2599         * double-int.c (tree_to_double_int): Remove.
2600
2601 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2602
2603         PR debug/43762
2604         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2605         with want_address 2 and in case a single element list might be
2606         possible, call it again with want_address 0.
2607
2608 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2609
2610         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2611         case 'W' print operands for HI mode.
2612         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2613         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2614         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2615         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2616
2617         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2618
2619         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2620         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2621         #xx:3 and #xx:4 mode.
2622
2623         * config/h8300/h8300.md (inverted load with HImode dest): Add
2624         support for H8300SX.
2625
2626         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2627         satisfy 'U' constraint.
2628
2629 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2630
2631         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2632         * configure: Regenerate.
2633         * config.in: Regenerate.
2634         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2635         works.
2636
2637 2010-04-16  Richard Guenther  <rguenther@suse.de>
2638
2639         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2640         (struct tree_decl_common): ... here.
2641         (DECL_PT_UID): Adjust.
2642         (SET_DECL_PT_UID): Likewise.
2643         (DECL_PT_UID_SET_P): Likewise.
2644
2645 2010-04-16  Richard Guenther  <rguenther@suse.de>
2646
2647         PR tree-optimization/43572
2648         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2649         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2650         * tree-flow.h (is_call_clobbered): Remove.
2651         * tree-flow-inline.h (is_call_clobbered): Likewise.
2652         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2653         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2654         (execute_return_slot_opt): Adjust.
2655         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2656         check for call clobbered vars here.
2657         (find_tail_calls): Move tailcall verification to the
2658         proper place.
2659
2660 2010-04-16  Diego Novillo  <dnovillo@google.com>
2661
2662         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2663
2664 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2665
2666         PR target/40603
2667         * config/arm/arm.md (cbranchqi4): New pattern.
2668         * config/arm/predicates.md (const0_operand,
2669         cbranchqi4_comparison_operator): New predicates.
2670
2671 2010-04-16  Richard Guenther  <rguenther@suse.de>
2672
2673         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2674         (dump_gimple_stmt): Likewise.
2675
2676 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2677
2678         * recog.h (struct recog_data): New field is_operator.
2679         (struct insn_operand_data): New field is_operator.
2680         * recog.c (extract_insn): Set recog_data.is_operator.
2681         * genoutput.c (output_operand_data): Emit code to set the
2682         is_operator field.
2683         * reload.c (find_reloads): Use it rather than testing for an
2684         empty constraint string.
2685
2686         PR target/41514
2687         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2688         If the previous insn is a cbranchsi4_insn with the same arguments,
2689         omit the compare instruction.
2690
2691         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2692         register, inputs must be low registers and we need a low register
2693         scratch.  Handle alternative 2 like alternative 3.
2694
2695 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2696
2697         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2698         don't call get_addr on both.  If one expression is a VALUE and
2699         the other a REG, check VALUE's locs if the REG isn't among them.
2700
2701 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2702
2703         * config/sh/sh.h (sh_frame_pointer_required): New function.
2704         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2705         (flag_omit_frame_pointer) Set.
2706         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2707         (rounded_frame_size): Adjust size with outgoing_args_size.
2708         (sh_set_return_address): Must return from stack pointer.
2709         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2710         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2711         (ACCUMULATE_OUTGOING_ARGS): Define.
2712         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2713         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2714
2715 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2716
2717         PR target/43471
2718         * config/sh/sh.c (sh_legitimize_reload_address): Use
2719         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2720         Remove a unneeded check for offset_base.
2721
2722 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2723
2724         * configure: Regenerated.
2725
2726 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2727
2728         * config/s390/s390.c (s390_call_save_register_used): Switch back
2729         to HARD_REGNO_NREGS.
2730
2731 2010-04-15  Richard Guenther  <rguenther@suse.de>
2732
2733         * alias.c (alias_set_subset_of): Handle alias-set zero
2734         child properly.
2735
2736 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2737             Julian Brown  <julian@codesourcery.com>
2738
2739         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2740         alternatives according to use of high and low regs.
2741         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2742         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2743         optimizing for size on Thumb-2.
2744
2745 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2746
2747         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2748
2749 2010-04-15  Richard Guenther  <rguenther@suse.de>
2750
2751         * tree-ssa-structalias.c (struct variable_info): Add
2752         is_fn_info flag.
2753         (new_var_info): Initialize it.
2754         (dump_constraints): Support printing last added constraints.
2755         (debug_constraints): Adjust.
2756         (dump_constraint_graph): Likewise.
2757         (make_heapvar_for): Check for NULL cfun.
2758         (get_function_part_constraint): New function.
2759         (get_fi_for_callee): Likewise.
2760         (find_func_aliases): Properly implement IPA PTA constraints.
2761         (process_ipa_clobber): New function.
2762         (find_func_clobbers): Likewise.
2763         (insert_into_field_list_sorted): Remove.
2764         (create_function_info_for): Properly allocate vars for IPA mode.
2765         Do not use insert_into_field_list_sorted.
2766         (create_variable_info_for): Properly generate constraints for
2767         global vars in IPA mode.
2768         (dump_solution_for_var): Always dump the solution.
2769         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2770         (find_what_var_points_to): Adjust.
2771         (pt_solution_set): Change.
2772         (pt_solution_ior_into): New function.
2773         (pt_solution_empty_p): Export.
2774         (pt_solution_includes_global): Adjust.
2775         (pt_solution_includes_1): Likewise.
2776         (pt_solutions_intersect_1): Likewise.
2777         (dump_sa_points_to_info): Check some invariants.
2778         (solve_constraints): Move constraint dumping ...
2779         (compute_points_to_sets): ... here.
2780         (ipa_pta_execute): ... and here.
2781         (compute_may_aliases): Do not re-compute points-to info
2782         locally if IPA info is available.
2783         (ipa_escaped_pt): New global var.
2784         (ipa_pta_execute): Properly implement IPA PTA.
2785         * tree-into-ssa.c (dump_decl_set): Support dumping
2786         decls not in referenced-vars.
2787         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2788         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2789         (dump_points_to_solution): Likewise.
2790         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2791         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2792         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2793         (copy_decl_to_var): Copy DECL_PT_UID.
2794         (copy_result_decl_to_var): Likewise.
2795         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2796         (copy_node_stat): Copy it.
2797         * tree.h (DECL_PT_UID): New macro.
2798         (SET_DECL_PT_UID): Likewise.
2799         (DECL_PT_UID_SET_P): Likewise.
2800         (struct tree_decl_minimal): Add pt_uid member.
2801         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2802         (pt_solution_empty_p): Declare.
2803         (pt_solution_set): Adjust.
2804         (ipa_escaped_pt): Declare.
2805         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2806         * gimple-pretty-print.c (pp_points_to_solution): New function.
2807         (dump_gimple_call): Dump call clobber/use information.
2808         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2809         * tree-pass.h (TDF_ALIAS): New dump option.
2810         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2811         * doc/invoke.texi (-fipa-pta): Update documentation.
2812
2813 2010-04-15  Richard Guenther  <rguenther@suse.de>
2814
2815         * Makefile.in (OBJS-common): Add gimple-fold.o.
2816         (gimple-fold.o): New rule.
2817         * tree.h (maybe_fold_offset_to_reference,
2818         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2819         prototypes ...
2820         * gimple.h: ... here.
2821         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2822         may_propagate_address_into_dereference): Move prototypes ...
2823         * gimple.h: ... here.
2824         * tree-ssa-ccp.c (get_symbol_constant_value,
2825         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2826         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2827         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2828         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2829         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2830         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2831         gimplify_and_update_call_from_tree): Move ...
2832         * gimple-fold.c: ... here.  New file.
2833         (ccp_fold_builtin): Rename to ...
2834         (gimple_fold_builtin): ... this.
2835         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2836
2837 2010-04-15  Richard Guenther  <rguenther@suse.de>
2838
2839         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2840         fit_double_type, force_fit_type_double, add_double_with_sign,
2841         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2842         lrotate_double, rrotate_double, div_and_round_double): Move ...
2843         * double-int.c: ... here.
2844         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2845         add_double, neg_double, mul_double_with_sign, mul_double,
2846         lshift_double, rshift_double, lrotate_double, rrotate_double,
2847         div_and_round_double): Move prototypes ...
2848         * double-int.h: ... here.
2849
2850 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2851
2852         PR target/43742
2853         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2854         matching constraints to ensure inputs match the output.
2855
2856 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2857
2858         PR target/43742
2859         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2860         in an input-only operand.
2861
2862 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2863
2864         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2865         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2866         (double_int_negative_p): Convert to static inline function.
2867         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2868         (double_int_negative_p): Remove.
2869         * tree.h (lshift_double, rshift_double):
2870         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2871         * fold-const.c (fold_convert_const_int_from_real,
2872         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2873         (lshift_double): Change type of arith argument to bool.
2874         (rshift_double): Change type of arith argument to bool. Correct
2875         comment.
2876         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2877
2878 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2879
2880         PR target/21803
2881         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2882         at the start and end of the then/else blocks, and omit them from the
2883         conversion.
2884         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2885         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2886         (flow_find_head_matching_sequence): New function.
2887         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2888         * basic-block.h (flow_find_cross_jump,
2889         flow_find_head_matching_sequence): Declare functions.
2890
2891 2010-04-14  Jason Merrill  <jason@redhat.com>
2892
2893         PR c++/36625
2894         * c-common.c (attribute_takes_identifier_p): New fn.
2895         * c-common.h: Declare it.
2896
2897 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2898
2899         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2900         splitter condition.
2901         (*udivmod<mode>4): Ditto.
2902
2903 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2904
2905         * config/i386/i386.md (maxmin_int): Rename code attribute from
2906         maxminiprefix and update all users.
2907         (maxmin_float): Ditto from maxminfprefix.
2908         (logic): Ditto from logicprefix.
2909         (absneg_mnemonic): Ditto from absnegprefix.
2910         * config/i386/mmx.md: Update all users of maxminiprefix,
2911         maxminfprefix and logicprefix for rename.
2912         * config/i386/sse.md: Ditto.
2913         * config/i386/sync.md (sync_<code><mode>): Update for
2914         logicprefix rename.
2915
2916 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2917
2918         PR 42966
2919         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2920         warnings converted to errors.
2921
2922 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2923
2924         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2925         used insn_type variable.
2926         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2927         to avoid set-but-not-used warning.
2928
2929 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2930
2931         * df-core.c (df_ref_debug): Change format string placeholder
2932         from 0x%x to %#x.
2933         * dwarf2asm.c (dw2_asm_output_data_raw,
2934         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2935         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2936         * dwarf2out.c (output_cfi, output_cfi_directive,
2937         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2938         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2939         Ditto.
2940         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2941         * print-rtl.c (print_rtx): Ditto.
2942
2943 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2944
2945         PR middle-end/42694
2946         * builtins.c (expand_builtin_pow_root): New function to expand pow
2947         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2948         series of sqrt and cbrt calls under -ffast-math.
2949         (expand_builtin_pow): Call it.
2950
2951 2010-04-14  Michael Matz  <matz@suse.de>
2952
2953         PR tree-optimization/42963
2954         * tree-cfg.c (touched_switch_bbs): New static variable.
2955         (group_case_labels_stmt): New function broken out from ...
2956         (group_case_labels): ... here, use the above.
2957         (start_recording_case_labels): Allocate touched_switch_bbs.
2958         (end_recording_case_labels): Deallocate it, call
2959         group_case_labels_stmt.
2960         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2961
2962 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2963
2964         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2965         from insn template.
2966
2967 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2968
2969         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2970
2971 2010-04-13  Jan Hubicka  <jh@suse.cz>
2972
2973         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2974         of optimized out static functions.
2975         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2976         cost computation.  Also sanity check for overflows.
2977         (update_caller_keys): Update cgraph_edge_badness call; properly
2978         update fibheap and sanity check that it is up to date.
2979         (add_new_edges_to_heap): Update cgraph_edge_badness.
2980         (cgraph_decide_inlining_of_small_function): Likewise;
2981         add sanity checking that badness in heap is up to date;
2982         improve dumping of reason; Update badness of calls to the
2983         offline copy of function currently inlined; dump badness
2984         of functions not inlined because of unit growth limits.
2985
2986 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2987
2988         PR middle-end/32628
2989         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2990         because of sign-extension change when converting to sizetype here...
2991         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2992
2993         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2994         the folding to constants.  Remove redundant final conversion.
2995         (fold_binary) <associate>: Do not associate if the re-association of
2996         constants alone overflows.
2997         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2998         to the end of the list.
2999         (multiple_of_p) <COND_EXPR>: New case.
3000
3001 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3002
3003         * opt-functions.awk (opt_sanitized_name): New.
3004         (opt_enum): New.
3005         * optc-gen.awk: Use it
3006         * opth-gen.awk: Use it.
3007
3008 2010-04-13  Martin Jambor  <mjambor@suse.cz>
3009
3010         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
3011         (sra_modify_assign): Delete stmts loading dead data even if racc has no
3012         children.  Call replace_uses_with_default_def_ssa_name to handle
3013         SSA_NAES on lhs.
3014
3015 2010-04-13  Michael Matz  <matz@suse.de>
3016
3017         PR middle-end/43730
3018         * builtins.c (expand_builtin_interclass_mathfn): Also create
3019         a register if the predicate doesn't match.
3020
3021 2010-04-13  Diego Novillo  <dnovillo@google.com>
3022
3023         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
3024         * c-pch.c: Include timevar.h.
3025         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
3026         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
3027         * ggc-common.c: Include timevar.h.
3028         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
3029         * timevar.def (TV_PCH_SAVE): Define.
3030         (TV_PCH_CPP_SAVE): Define.
3031         (TV_PCH_PTR_REALLOC): Define.
3032         (TV_PCH_PTR_SORT): Define.
3033         (TV_PCH_RESTORE): Define.
3034         (TV_PCH_CPP_RESTORE): Define.
3035
3036 2010-04-13  Michael Matz  <matz@suse.de>
3037
3038         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
3039         into MINUS_EXPRs.
3040         (can_reassociate_p): New function.
3041         (break_up_subtract_bb, reassociate_bb): Use it.
3042
3043 2010-04-13  Richard Guenther  <rguenther@suse.de>
3044
3045         PR bootstrap/43737
3046         * builtins.c (c_readstr): Fix assert.
3047
3048 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
3049
3050         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
3051         when generating cltd insn.
3052
3053         (*ashl<mode>3_1): Remove special handling for register operand 2.
3054         (*ashlsi3_1_zext): Ditto.
3055         (*ashlhi3_1): Ditto.
3056         (*ashlhi3_1_lea): Ditto.
3057         (*ashlqi3_1): Ditto.
3058         (*ashlqi3_1_lea): Ditto.
3059         (*<shiftrt_insn><mode>3_1): Ditto.
3060         (*<shiftrt_insn>si3_1_zext): Ditto.
3061         (*<shiftrt_insn>qi3_1_slp): Ditto.
3062         (*<rotate_insn><mode>3_1): Ditto.
3063         (*<rotate_insn>si3_1_zext): Ditto.
3064         (*<rotate_insn>qi3_1_slp): Ditto.
3065
3066 2010-04-13  Richard Guenther  <rguenther@suse.de>
3067
3068         * tree-ssa-structalias.c (callused_id): Remove.
3069         (call_stmt_vars): New.
3070         (get_call_vi): Likewise.
3071         (lookup_call_use_vi): Likewise.
3072         (lookup_call_clobber_vi): Likewise.
3073         (get_call_use_vi): Likewise.
3074         (get_call_clobber_vi): Likewise.
3075         (make_transitive_closure_constraints): Likewise.
3076         (handle_const_call): Adjust to do per-call call-used handling.
3077         (handle_pure_call): Likewise.
3078         (find_what_var_points_to): Remove general callused handling.
3079         (init_base_vars): Likewise.
3080         (init_alias_vars): Initialize call_stmt_vars.
3081         (compute_points_to_sets): Process call-used and call-clobbered
3082         vars for call statements.
3083         (delete_points_to_sets): Free call_stmt_vars.
3084
3085 2010-04-13  Richard Guenther  <rguenther@suse.de>
3086
3087         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
3088         Only add RW dependence for dependence distance zero.
3089         Adjust maximal vectorization factor according to dependences.
3090         Move alignment handling ...
3091         (vect_find_same_alignment_drs): ... here.  New function.
3092         (vect_analyze_data_ref_dependences): Adjust.
3093         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
3094         (vect_analyze_data_refs): Adjust minimal vectorization factor
3095         according to data references.
3096         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
3097         dependences before determining the vectorization factor.
3098         Analyze alignment after determining the vectorization factor.
3099         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
3100         dependences before alignment.
3101         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
3102         Adjust prototype.
3103         (vect_analyze_data_refs): Likewise.
3104         (MAX_VECTORIZATION_FACTOR): New define.
3105
3106 2010-04-13  Duncan Sands  <baldrick@free.fr>
3107
3108         * except.h (lang_eh_type_covers): Remove.
3109         * except.c (lang_eh_type_covers): Likewise.
3110
3111 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3112             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3113
3114         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
3115         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
3116         UNITS_PER_LONG where it is ABI relevant.
3117         (s390_return_addr_rtx): Likewise.
3118         (s390_back_chain_rtx): Likewise.
3119         (s390_frame_area): Likewise.
3120         (s390_frame_info): Likewise.
3121         (s390_initial_elimination_offset): Likewise.
3122         (save_gprs): Likewise.
3123         (s390_emit_prologue): Likewise.
3124         (s390_emit_epilogue): Likewise.
3125         (s390_function_arg_advance): Likewise.
3126         (s390_function_arg): Likewise.
3127         (s390_va_start): Likewise.
3128         (s390_gimplify_va_arg): Likewise.
3129         (s390_function_profiler): Likewise.
3130         (s390_optimize_prologue): Likewise.
3131         (s390_rtx_costs): Likewise.
3132         (s390_secondary_reload): Likewise.
3133         (s390_promote_function_mode): Likewise.
3134         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
3135         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
3136         registers available.
3137         (s390_unwind_word_mode): New function.
3138         (s390_function_value): Split 64 bit values into register pair if
3139         used as return value.
3140         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
3141         function call parameters.  Handle parallels.
3142         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
3143         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3144         (DWARF_CIE_DATA_ALIGNMENT): New macro.
3145         (s390_expand_setmem): Remove unused variable src_addr.
3146         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
3147         deal with 64 bit registers.
3148         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
3149         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
3150         (UNITS_PER_LONG): New macro.
3151         * libjava/include/s390-signal.h: Define extended ucontext
3152         structure containing the upper halfs of the 64 bit registers.
3153
3154 2010-04-13  Simon Baldwin  <simonb@google.com>
3155
3156         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
3157
3158 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
3159
3160         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
3161         rvalue on the RHS if the LHS is of a non-renamable type.
3162         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
3163
3164 2010-04-13  Matthias Klose  <doko@ubuntu.com>
3165
3166         * gcc.c (cc1_options): Handle -iplugindir before processing
3167         the cc1 spec. Only add -iplugindir once.
3168         (cpp_unique_options): Add -iplugindir option if -fplugin* options
3169         found.
3170         * common.opt (iplugindir): Remove `Separate' property, initialize.
3171         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3172         option.
3173         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3174         (distclean): Remove plugin dir.
3175         * doc/invoke.texi: Document -iplugindir.
3176
3177 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3178
3179         * doc/plugins.texi (Loading Plugins): Document short
3180         -fplugin=foo option.
3181         (Plugin API): Mention default_plugin_dir_name function.
3182
3183         * gcc.c (find_file_spec_function): Add new declaration.
3184         (static_spec_func): Use it for "find-file".
3185         (find_file_spec_function): Add new function.
3186         (cc1_options): Add -iplugindir option if -fplugin* options found.
3187
3188         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3189
3190         * plugin.c (add_new_plugin): Updated comment, and handle short
3191         plugin name.
3192         (default_plugin_dir_name): Added new function.
3193
3194         * common.opt (iplugindir): New option to set the plugin directory.
3195
3196 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3197
3198         * config/i386/i386.md (any_rotate): New code iterator.
3199         (rotate_insn): New code attribute.
3200         (rotate): Ditto.
3201         (SWIM124): New mode iterator.
3202         (<rotate_insn>ti3): New expander.
3203         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3204         any_rotate code iterator.
3205         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3206         using any_rotate code iterator and SWIM124 mode iterator.
3207         (ix86_rotlti3): New insn_and_split pattern.
3208         (ix86_rotrti3): Ditto.
3209         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3210         ix86_rotl{di,ti}3 patterns.
3211         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3212         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3213         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3214         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3215         code iterator and SWI mode iterator.
3216         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3217         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3218         code iterator.
3219         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3220         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3221         (bswap rotatert splitter): Add splitter.
3222         (bswap splitter): Macroize splitter using any_rotate code iterator.
3223         Add insn predicate to split only for TARGET_USE_XCHGB or when
3224         optimizing function for size.
3225
3226 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3227
3228         * config/pa/pa.c (emit_move_sequence): Remove use of
3229         deleted variable flag_argument_noalias.
3230
3231 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3232
3233         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3234         configurations.
3235         Add to unsupported targets list.
3236         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3237         sparc*-sun-solaris2.[567]* from target lists.
3238         * configure: Regenerate.
3239         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3240         removal.
3241         Remove Solaris 7 patch references.
3242         (Specific, sparc-sun-solaris2.7): Removed.
3243         (sparc-sun-solaris2*): Update Solaris 7 example.
3244         (sparc64-*-solaris2*): Likewise.
3245
3246 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3247
3248         * config.build (alpha*-dec-osf4*): Remove.
3249         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3250         of obsolete configurations.
3251         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3252         support.
3253         * config/alpha/t-osf4: Renamed to ...
3254         * config/alpha/t-osf5: ... this.
3255         * config/alpha/osf.h: Renamed to ...
3256         * config/alpha/osf5.h: ... this.
3257         Merged old osf5.h contents.
3258         Update comments.
3259         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3260         (EXTRA_SPECS): Removed.
3261         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3262         reflect removal of Tru64 UNIX V4.0/V5.0 support.
3263         Document that.
3264
3265 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3266
3267         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3268
3269 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3270
3271         PR/43702
3272         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3273         __thiscall convention.
3274
3275 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3276
3277         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3278         orig_base.
3279         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3280
3281 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3282
3283         * function.c (assign_parms_initialize_all): Add unused attribute
3284         to fntype.
3285
3286 2010-04-12  Richard Guenther  <rguenther@suse.de>
3287
3288         * gsstruct.def (GSS_CALL): New.
3289         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3290         * gimple.h: Include tree-ssa-alias.h.
3291         (struct gimple_statement_call): New.
3292         (union gimple_statement_struct_d): Add gimple_call member.
3293         (gimple_call_reset_alias_info): Declare.
3294         (gimple_call_use_set): New function.
3295         (gimple_call_clobber_set): Likewise.
3296         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3297         * gimple.c (gimple_call_reset_alias_info): New function.
3298         (gimple_build_call_1): Call it.
3299         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3300         * tree-inline.c (remap_gimple_stmt): Likewise.
3301         (expand_call_inline): Remove callused handling.
3302         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3303         * tree-dfa.c (dump_variable): Likewise.
3304         * tree-parloops.c (parallelize_loops): Likewise.
3305         * tree-ssa.c (init_tree_ssa): Likewise.
3306         (delete_tree_ssa): Likewise.
3307         * tree-flow-inline.h (is_call_used): Remove.
3308         * tree-flow.h (struct gimple_df): Remove callused member.
3309         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3310         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3311         (ref_maybe_used_by_call_p_1): Simplify.
3312         (call_may_clobber_ref_p_1): Likewise.
3313         * tree-ssa-structalias.c (compute_points_to_sets): Set
3314         the call stmt used and clobbered sets.
3315         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3316         (find_tail_calls): Verify the tail call.
3317
3318 2010-04-12  Richard Guenther  <rguenther@suse.de>
3319
3320         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3321         single-iteration always-inline inlining.
3322         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3323         (cgraph_decide_inlining): Do not handle always-inline specially.
3324         (try_inline): Remove always-inline cycle detection special case.
3325         Do not recurse on always-inlines.
3326         (cgraph_early_inlining): Do not iterate if not optimizing.
3327         (cgraph_gate_early_inlining): remove.
3328         (pass_early_inline): Run unconditionally.
3329         (gate_cgraph_decide_inlining): New function.
3330         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
3331         not inlining or optimizing.
3332         (cgraph_decide_inlining_of_small_functions): Also consider
3333         always-inline functions.
3334         (cgraph_default_inline_p): Return true for nodes which should
3335         disregard inline limits.
3336         (estimate_function_body_sizes): Assume zero size and time for
3337         nodes which are marked as disregarding inline limits.
3338         (cgraph_decide_recursive_inlining): Do not perform recursive
3339         inlining on always-inline nodes.
3340
3341 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
3342
3343         PR bootstrap/43699
3344         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3345         for exprs satisfying handled_component_p.
3346
3347 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
3348
3349         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3350         non-constant aggregate elements.
3351
3352         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3353         is a real initialization.
3354
3355 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
3356
3357         PR c/36774
3358         * c-decl.c (start_function): Move forward check for nested function.
3359
3360 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3361
3362         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3363         * config/sh/sh.c: Include reload.h.
3364         (sh_legitimize_reload_address): New.
3365         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3366         sh_legitimize_reload_address.
3367
3368 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3369
3370         * config/sh/sh.md (*movqi_pop): New insn pattern.
3371         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3372
3373 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3374
3375         * config/i386/i386.md (any_shiftrt): New code iterator.
3376         (shiftrt_insn): New code attribute.
3377         (shiftrt): Ditto.
3378         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3379         using any_shiftrt code iterator.
3380         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3381         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3382         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3383         pattern from corresponding peephole2 patterns.
3384         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3385         using any_shiftrt code iterator.
3386         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3387         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3388         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3389         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3390         *{ashr,lshr}<mode>3_cmp_zext.
3391         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3392
3393 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3394
3395         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3396         scratch register.
3397         (*lshr<mode>3_cconly): Ditto.
3398
3399 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3400
3401         * config/i386/i386.md (lshr<mode>3): Macroize expander from
3402         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3403         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3404         pattern from *lshr{di,ti}3_1 and corresponding splitters using
3405         DWI mode iterator.
3406         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3407         from corresponding peephole2 patterns.
3408         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3409         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3410         and *lshrdi3_1_rex64 using SWI mode iterator.
3411         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3412         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3413         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3414         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3415         and *lshrdi3_cmp_rex64 using SWI mode iterator.
3416         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3417         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3418         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3419         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3420         SWI mode iterator.
3421
3422 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
3423
3424         * config/i386/i386.md (ashr<mode>3): Macroize expander from
3425         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3426         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3427         pattern from *ashr{di,ti}3_1 and corresponding splitters using
3428         DWI mode iterator.