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* gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-08  Eric Botcazou  <ebotcazou@adacore.com>
2
3         * gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
4         domain types as equal if they are both PLACEHOLDER_EXPRs.
5
6 2010-05-08  Richard Guenther  <rguenther@suse.de>
7
8         * lto-wrapper.c (run_gcc): Remove linker output from
9         command line for LTRANS invocation.
10
11 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
12
13         * config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
14         lto-macho as lto_binary_reader.
15         * target.h (struct gcc_target): New hooks lto_start and lto_end.
16         * target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
17         * cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
18         in lto_start and lto_end calls.
19         (is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
20         magic numbers.
21         (scan_prog_file): Update is_elf_or_coff call.
22         * doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.
23
24         * collect2.c (main): Fix enum comparison.
25
26         * config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
27         Add prototypes.
28         * darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
29         * darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
30         and TARGET_ASM_LTO_END.
31         * darwin.c: Include obstack.h and lto-streamer.h.
32         (lto_section_names_offset, lto_section_names_obstack,
33         lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
34         global variables.
35         (LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
36         (darwin_asm_lto_start): New function.  Redirect output to asm_out_file
37         to a temporary file.
38         (darwin_asm_lto_end): New function.  Restore asm_out_file.
39         (darwin_asm_named_section): For LTO sections, replace the name with
40         the offset of the section name in a string table, and build this
41         table.
42         (darwin_file_start): Initialize global vars for LTO support.
43         (darwin_file_end): If output to asm_out_file was redirected, append it
44         to the proper asm_out_file here.  Add the section names section.
45
46 2010-05-07  Steven Bosscher  <steven@gcc.gnu.org>
47
48         * c-pragma.c (pending_weak_d, pending_weak): New.
49         (pending_weaks): Change the type to VEC((pending_weak,gc) *.
50         (maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
51         handle_pragma_weak): Update the uses of pending_weaks.
52
53 2010-05-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
54
55         PR documentation/44016
56         * doc/standards.texi (Standards): Link to unversioned
57         cxx0x_status.html page.
58
59 2010-05-07  Iain Sandoe <iains@gcc.gnu.org>
60
61         PR target/43708
62         * config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
63         in addition to TREE_USED, to avoid "set but unused" warnings.
64
65 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
66
67         * tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
68         (is_loop_prefetching_profitable): Do not insert prefetches
69         when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
70         times the prefetch ahead distance.
71
72 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
73
74         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
75         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
76         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
77         the unroll_factor.
78
79 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
80
81         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
82         a diagnostic info when the insn-to-mem ratio is too small.
83
84 2010-05-07  Richard Guenther <rguenther@suse.de>
85
86         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
87         the linker plugin.
88         (store_arg): Queue temp_filename for deletion instead of
89         the whole argument.
90
91 2010-05-07  Richard Guenther  <rguenther@suse.de>
92
93         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
94         (run_gcc): Handle LTRANS phase invocation.
95         * collect2.c (maybe_run_lto_and_relink): Do not set
96         WPA_SAVE_LTRANS.
97
98 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
99
100         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
101         this is also meaningful on PARM_DECLs and RESULT_DECLs.
102
103 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
104
105         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
106
107 2010-05-07  Richard Guenther  <rguenther@suse.de>
108
109         PR tree-optimization/44020
110         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
111         code when PRE is not yet initialized.
112
113 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
114
115         * config/mips/dbxmdebug.h: Remove.
116         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
117
118 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
119
120         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
121         with null pointer and also warn about ordered comparison of zero with
122         pointer if -Wextra.
123
124 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
125
126         * graphite-blocking.c
127         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
128         * graphite-clast-to-gimple.c
129         (clast_to_gcc_expression): Same.
130         (precision_for_value): Same.
131         (precision_for_interval): Same.
132         (gcc_type_for_interval): Same.
133         (graphite_create_new_guard): Same.
134         (compute_bounds_for_level): Same.
135         (graphite_create_new_loop_guard): Same.
136         * graphite-interchange.c
137         (build_linearized_memory_access): Same.
138         (pdr_stride_in_loop): Same.
139         (memory_strides_in_loop_1): Same.
140         (memory_strides_in_loop): Same.
141         (extend_scattering): Same.
142         (psct_scattering_dim_for_loop_depth): Same.
143         (pbb_number_of_iterations): Same.
144         * graphite-poly.h
145         (debug_iteration_domains): Same.
146         * graphite-ppl.c
147         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
148         (ppl_set_inhomogeneous_gmp): Same.
149         (ppl_strip_loop): Same.
150         (ppl_lexico_compare_linear_expressions): Same.
151         (ppl_read_polyhedron_matrix): Same.
152         (ppl_max_for_le_pointset): Same.
153         * graphite-ppl.h
154         (ppl_read_polyhedron_matrix): Same.
155         (tree_int_to_gmp): Same.
156         (gmp_cst_to_tree): Same.
157         (ppl_set_inhomogeneous): Same.
158         (ppl_set_inhomogeneous_tree): Same.
159         (ppl_set_coef): Same.
160         (ppl_set_coef_tree): Same.
161         * graphite-sese-to-poly.c
162         (build_pbb_scattering_polyhedrons): Same.
163         (build_scop_scattering): Same.
164         (scan_tree_for_params_right_scev): Same.
165         (scan_tree_for_params): Same.
166         (find_params_in_bb): Same.
167         (find_scop_parameters): Same.
168         (add_upper_bounds_from_estimated_nit): Same.
169         (build_loop_iteration_domains): Same.
170         (add_condition_to_domain): Same.
171         (pdr_add_memory_accesses): Same.
172
173 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
174
175         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
176         CLooG's value_* macros to their respective mpz_* counterparts.
177         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
178         (graphite_create_new_loop_guard): Same.
179         * graphite-interchange.c (build_linearized_memory_access): Same.
180         (pdr_stride_in_loop): Same.
181         (memory_strides_in_loop_1): Same.
182         (1st_interchange_profitable_p): Same.
183         * graphite-poly.c (extend_scattering): Same.
184         (psct_scattering_dim_for_loop_depth): Same.
185         (pbb_number_of_iterations): Same.
186         (pbb_number_of_iterations_at_time): Same.
187         * graphite-poly.h (new_1st_loop): Same.
188         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
189         (oppose_constraint): Same.
190         (insert_constraint_into_matrix): Same.
191         (ppl_set_inhomogeneous_gmp): Same.
192         (ppl_set_coef_gmp): Same.
193         (ppl_strip_loop): Same.
194         (ppl_lexico_compare_linear_expressions): Same.
195         (ppl_max_for_le_pointset): Same.
196         (ppl_min_for_le_pointset): Same.
197         (ppl_build_realtion): Same.
198         * graphite-ppl.h (gmp_cst_to_tree): Same.
199         (ppl_set_inhomogeneous): Same.
200         (ppl_set_inhomogeneous_tree): Same.
201         (ppl_set_coef): Same.
202         (ppl_set_coef_tree): Same.
203         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
204         (build_scop_scattering): Same.
205         (add_value_to_dim): Same.
206         (scan_tree_for_params_right_scev): Same.
207         (scan_tree_for_params_int): Same.
208         (scan_tree_for_params): Same.
209         (find_params_in_bb): Same.
210         (find_scop_parameters): Same.
211         (add_upper_bounds_from_estimated_nit): Same.
212         (build_loop_iteration_domains): Same.
213         (create_linear_expr_from_tree): Same.
214         (add_condition_to_domain): Same.
215         (pdr_add_memory_accesses): Same.
216
217 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
218             Jason Merrill  <jason@redhat.com>
219
220         * c-common.c (c_common_reswords): Add nullptr.
221         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
222         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
223         (gen_type_die_with_usage): Likewise.
224         * dbxout.c (dbxout_type): Likewise.
225         * sdbout.c (plain_type_1): Likewise.
226
227 2010-05-06  Jason Merrill  <jason@redhat.com>
228
229         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
230         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
231         ret appropriately.
232         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
233
234         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
235         stripping WITH_SIZE_EXPR.
236         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
237         change.
238
239 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
240
241         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
242         list of obsolete configurations.
243         Disabled check for obsolete configurations.
244         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
245         Removed support for previous versions.
246         * config/mips/iris.h: Removed.
247         * config/mips/iris5.h: Removed.
248         * config/mips/iris6.h: Merged old iris.h contents.
249         (TARGET_IRIX): Removed.
250         (DRIVER_SELF_SPECS): Removed mabi=32.
251         (IDENT_ASM_OP): Removed undef.
252         (STARTFILE_SPEC): Removed mabi=32.
253         (ENDFILE_SPEC): Likewise.
254         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
255         (MACHINE_TYPE): Update for IRIX 6.5.
256         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
257         TARGET_IRIX by TARGET_IRIX6.
258         (mips_file_start): Likewise.
259         (mips_output_external): Remove IRIX 5/6 O32 support.
260         (mips_output_function_prologue): Likewise.
261         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
262         TARGET_IRIX6.
263         (TARGET_CPU_CPP_BUILTINS): Likewise.
264         (TARGET_IRIX): Removed.
265         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
266         (MULTILIB_DIRNAMES): Removed 32.
267         (MULTILIB_OSDIRNAMES): Removed ../lib.
268         * doc/install.texi (Prerequisites): Don't reference IRIX before
269         6.5.
270         (Specific, mips-sgi-irix5): Document removal.
271         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI
272         removal.
273         Remove references to older IRIX 6 releases and the O32 ABI.
274
275 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
276
277         * gcc.dg/Wunused-var-8.c: Move to...
278         * c-c++-common/Wunused-var-6.c: ... here.  New test.
279
280         PR bootstrap/43994
281         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
282         instead of DF_REF_REAL_REG.
283
284 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
285
286         PR target/43888
287         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
288         handling to still return true for x64 targets.
289
290 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
291
292         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
293
294 2010-05-06  Jan Hubicka  <jh@suse.cz>
295
296         PR tree-optimization/43791
297         * ipa-inline.c (update_caller_keys): Remove bogus
298         disregard_inline_limits check.
299
300 2010-05-06  Michael Matz  <matz@suse.de>
301
302         PR tree-optimization/43984
303         * tree-ssa-pre.c (inserted_phi_names): Remove.
304         (inserted_exprs): Change to bitmap.
305         (create_expression_by_pieces): Set bits, don't append to vector.
306         (insert_into_preds_of_block): Don't handle inserted_phi_names.
307         (eliminate): Don't look at inserted_phi_names, remove deleted
308         insns from inserted_exprs.
309         (remove_dead_inserted_code): Adjust to use bitmaps instead of
310         vectors.
311         (init_pre, fini_pre): Allocate and free bitmaps.
312         (execute_pre): Insert insns on edges before elimination.
313
314 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
315
316         * tree.c (initializer_zerop): Handle STRING_CST.
317
318 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
319
320         PR 40989
321         * doc/invoke.texi (Wimplicit): Document as C only.
322         * opts.c (common_handle_option): Add argument kind.
323         (handle_option): Rename as read_cmdline_option. Factor out code to...
324         (handle_option): ... here. New.
325         (handle_options): Rename as read_cmdline_options.
326         (decode_options): Update call.
327         (set_option): Use option index instead of option pointer. Classify
328         diagnostics correctly.
329         (enable_warning_as_error): Call handle_option.
330         * opts.h (set_option): Update declaration.
331         (handle_option): Declare.
332         * langhooks.h (struct lang_hooks): Add argument kind to
333         handle_option.
334         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
335         * c-opts.c (set_Wimplicit): Delete.
336         (c_family_lang_mask): New static constant.
337         (c_common_handle_option): Add argument kind. Use handle_option
338         instead of set_Wimplicit.
339         (c_common_post_options): warn_implicit and warn_implicit_int
340         are disabled by default.
341         * c-common.c (warn_implicit): Do not define here.
342         * c-common.h (warn_implicit): Do not declare here.
343         (c_common_handle_option): Update declaration.
344         * lto-opts.c (lto_reissue_options): Update call to set_option.
345
346 2010-05-06  Richard Guenther  <rguenther@suse.de>
347
348         PR tree-optimization/43571
349         * domwalk.c (walk_dominator_tree): Walk the dominator
350         sons in more optimal order.
351
352 2010-05-06  Richard Guenther  <rguenther@suse.de>
353
354         PR tree-optimization/43934
355         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
356         (stmt_cost): Likewise.
357         (extract_true_false_args_from_phi): New helper.
358         (determine_max_movement): For PHI nodes verify we can hoist them
359         and compute their cost.
360         (determine_invariantness_stmt): Handle PHI nodes.
361         (move_computations_stmt): Likewise.  Hoist PHI nodes in
362         if-converted form using COND_EXPRs.
363         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI
364         nodes.
365         (tree_ssa_lim): Likewise.
366         * tree-flow.h (tree_ssa_lim): Adjust prototype.
367         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
368
369 2010-05-06  Richard Guenther  <rguenther@suse.de>
370
371         PR tree-optimization/43987
372         * tree-ssa-structalias.c (could_have_pointers): For possibly
373         address-taken variables force pointers to be recorded.
374         (create_variable_info_for_1): Likewise.
375         (push_fields_onto_fieldstack): Pass in wheter all fields
376         must have pointers.
377         (find_func_aliases): Query types instead of vars whether
378         they contain pointers where appropriate.
379
380 2010-05-06  Jan Hubicka  <jh@suse.cz>
381
382         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
383         (record_reference, mark_address, mark_load, mark_store): Record
384         references.
385         (record_references_in_initializer): Update call of record_references.
386         (rebuild_cgraph_edges): Remove all references before rebuiding.
387         * cgraph.c (cgraph_create_node): Clear ref list.
388         (cgraph_remove_node): Remove references.
389         (dump_cgraph_node): Dump references.
390         (cgraph_clone_node): Clone references.
391         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
392         (struct cgraph_node, varpool_node): Add ref_lst.
393         * ipa-ref.c: New file.
394         * ipa-ref.h: New file.
395         * ipa-ref-inline.h: New file.
396         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
397         (referenced_from_other_partition_p): New function.
398         (lto_output_varpool_node): Take set arugment; call
399         referenced_from_other_partition.
400         (lto_output_ref): New.
401         (add_references): New.
402         (output_refs): New.
403         (output_cgraph): Compute boundary based on references;
404         output refs.
405         (output_varpool): Accept cgraph_node_set argument.
406         (input_ref): New.
407         (input_refs): New.
408         (input_cgraph): Call input_refs.
409         * lto-section-in.c (lto_section_name): Add refs.
410         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
411         (ipa-ref.o): New file.
412         * varpool.c (varpool_node): Clear ipa ref list.
413         (varpool_remove_node): Remove references.
414         (dump_varpool_node): Dump references.
415         (varpool_assemble_decl): Only compile finalized ones.
416         (varpool_extra_name_alias): Initialize ref list.
417         * lto-streamer.c (lto-get_section_name): Add .refs section.
418         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
419         (referenced_from_other_partition_p): Declared.
420
421 2010-05-06  Ira Rosen  <irar@il.ibm.com>
422
423         PR tree-optimization/43901
424         * tree-vect-stmts.c (vectorizable_call): Assert that vector
425         type is not NULL if it's transformation phase, and return
426         FALSE if it's analysis.
427         (vectorizable_conversion, vectorizable_operation, 
428         vectorizable_type_demotion, vectorizable_type_promotion):
429         Likewise.
430
431 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
432
433         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
434         Delete.
435         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
436         New define.
437         * config/mips/mips-protos.h
438         (mips_small_register_classes_for_mode_p): Delete prototype.
439
440 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
441
442         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
443         * config/arm/arm.c (multiple_operation_profitable_p,
444         compute_offset_order): New static functions.
445         (load_multiple_sequence, store_multiple_sequence): Use them.
446         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
447         memory offsets, not register numbers.
448         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
449
450 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
451
452         * stor-layout.c (pending_sizes): Change the type to
453         VEC(tree,gc) *.
454         (get_pending_sizes, put_pending_size, put_pending_sizes):
455         Update the uses of pending_sizes.
456         * c-decl.c (store_parm_decls): Likewise.
457         * c-tree.h (struct c_arg_info): Likewise.
458         * tree.h: Update the prototype for get_pending_sizes and
459         put_pending_sizes.
460
461 2010-05-05  Jason Merrill  <jason@redhat.com>
462
463         PR debug/43370
464         * c-common.c (handle_aligned_attribute): Respect
465         ATTR_FLAG_TYPE_IN_PLACE.
466
467         PR testsuite/43758
468         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
469         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
470         (TARGET_INITIALIZER): Use it.
471         * c-common.c (attribute_takes_identifier_p): Call it.
472         * c-common.h: Update prototype.
473         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
474         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
475
476 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
477
478         PR debug/43950
479         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
480         DW_ID_down_case for Fortran compilation units.
481
482 2010-05-05  Jan Hubicka  <jh@suse.cz>
483
484         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
485         handle aliases.
486
487 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
488
489         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
490         a variable-sized RESULT_DECL.
491
492 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
493
494         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
495
496 2010-05-05  Jason Merrill  <jason@redhat.com>
497
498         PR c++/43787
499         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
500         returns GS_OK.
501         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
502
503 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
504             Jakub Jelinek  <jakub@redhat.com>
505
506         PR debug/43478
507         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
508         (dead_debug_init, dead_debug_finish): New functions.
509         (dead_debug_add, dead_debug_insert_before): Likewise.
510         (df_note_bb_compute): Initialize a dead_debug object, add dead
511         debug uses to it, insert debug bind insns before death insns,
512         reset debug insns that refer to pending uses at the end.
513         * rtl.h (make_debug_expr_from_rtl): New prototype.
514         * varasm.c (make_debug_expr_from_rtl): New function.
515
516 2010-05-05  Jan Hubicka  <jh@suse.cz>
517
518         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
519         (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
520         lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
521         lto_varpool_encoder_encode_initializer_p,
522         lto_set_varpool_encoder_encode_initializer): New functions.
523         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
524         call output_varpool.
525         (input_varpool_node): Do not always set analyzed.
526         (input_cgraph_1): Return vector of cgraph nodes.
527         (input_varpool_1): Return vector of varpools.
528         (input_cgraph): Free the vectors.
529         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
530         output only initializers needed.
531         (lto_output): Only call output_cgraph.
532         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
533         * lto-section-out.c (lto_new_out_decl_state): Initialize
534         state->varpool_node_encoder.
535         * lto-streamer.h (lto_varpool_encoder_d): New.
536         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.     
537         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
538         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
539         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
540         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
541         Declare.
542         (output_varpool, input_varpool): Remove declarations.
543
544 2010-05-05  Jan Hubicka  <jh@suse.cz>
545
546         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
547         with body can prevail.
548
549 2010-05-05  Jan Hubicka  <jh@suse.cz>
550
551         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
552         size.
553
554 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
555
556         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
557         dependencies.
558
559         * gengtype.h (erro_at_line): Constify pos argument.
560
561         * gengtype.c: Include hashtab.h.
562         (enum gc_used): Document GC_MAYBE_POINTED_TO.
563         (error_at_line): Constify pos argument.
564         (do_typedef): Initialize p->opt field.
565         (get_file_gtfilename): Fix comment typo.
566         (struct walk_type_data): Constify line field.
567         (get_output_file_for_structure): New function.
568         (write_local_func_for_structure): Constify orig_s argument.
569         Use get_output_file_for_structure.
570         (write_func_for_structure): Use get_output_file_for_structure.
571         (INDENT): New define.
572         (dump_pair, dump_type, dump_type_list, dump_typekind)
573         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
574         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
575         functions.
576         (seen_types): New variable.
577         (main): New variable do_dump.  Process "-d" command line option.
578         Call dump_everything if dump requested.
579
580 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
581
582         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
583         in a temporary instead of invoking the macro multiple times.
584         (track_expr_p): Likewise.
585
586 2010-05-04  Neil Vachharajani <nvachhar@google.com>
587
588         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
589         per new semantics.
590         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
591         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
592         conditions for printing notes.
593         * common.opt (-Wcoverage-mismatch): Allow negative, default to
594         true, update documentation.
595         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
596
597 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
598
599         PR c/43981
600         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
601         on dimen.
602
603 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
604
605         PR target/43799
606         * config/i386/i386.md (sse_prologue_save): Add clobber CC
607         register.
608         (*sse_prologue_save_insn1): Likewise.
609         (SSE prologue save splitter): Likewise.
610
611 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
612
613         * tree.c (free_lang_data_in_one_sizepos): New inline function.
614         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
615         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
616         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
617         all decls.  Call it on DECL_FIELD_OFFSET of fields.
618         (find_decls_types_r): Follow DECL_VALUE_EXPR.
619         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
620
621 2010-05-04  Martin Jambor  <mjambor@suse.cz>
622
623         * tree-sra.c (build_access_from_expr_1): The first parameter type
624         changed to simple tree.
625         (build_access_from_expr): Likewise, gsi parameter was eliminated.
626         (scan_assign_result): Renamed to assignment_mod_result, enum elements
627         renamed as well.
628         (build_accesses_from_assign): Removed all parameters except for a
629         simple gimple statement.  Now returns a simple bool.
630         (scan_function): All non-analysis parts moved to separate functions
631         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
632         parameters and updated both callers.
633         (sra_modify_expr): Removed parameter data.
634         (sra_modify_function_body): New function.
635         (perform_intra_sra): Call sra_modify_function_body to modify the
636         function body.
637         (replace_removed_params_ssa_names): Parameter data changed into
638         adjustments vector.
639         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
640         changed the parameter dont_convert to convert with the opposite
641         meaning.
642         (sra_ipa_modify_assign): Parameter data changed into adjustments
643         vector, return value changed to bool.
644         (ipa_sra_modify_function_body): New function.
645         (sra_ipa_reset_debug_stmts): Updated a comment.
646         (modify_function): Use ipa_sra_modify_function_body to modify function
647         body.
648
649 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
650
651         PR middle-end/43671
652         * alias.c (true_dependence): Handle the same VALUE in x and mem.
653         (canon_true_dependence): Likewise.
654         (write_dependence_p): Likewise.
655
656 2010-05-04  Jan Hubicka  <jh@suse.cz>
657
658         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
659         * cgraphbuild.c: Include ipa-utils.h
660         (record_reference_ctx): New struct.
661         (record_reference): Simplify to work on initializers; not statements.
662         (mark_address, mark_load, mark_store): New.
663         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
664         walk PHI nodes too.
665         (record_references_in_initializer): Update use of record_reference.
666         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
667         walk PHI nodes too.
668
669 2010-05-04  Jan Hubicka  <jh@suse.cz>
670
671         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
672         node will be removed anyway.
673         (lto_varpool_replace_node): Allow also unanalyzed nodes;
674         relink aliases of node into prevailing node.
675         * varpool.c (varpool_remove_node): Remove aliases properly;
676         when removing node, remove all its aliases too; remove DECL_INITIAL
677         of removed node; ggc_free the varpool node.
678
679 2010-05-04  Richard Guenther  <rguenther@suse.de>
680
681         PR tree-optimization/43879
682         * tree-ssa-structalias.c (alias_get_name): Use
683         DECL_ASSEMBLER_NAME if available.
684         (create_function_info_for): Return the varinfo node.
685         (ipa_pta_execute): Associate same-body aliases and extra names
686         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
687
688 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
689
690         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
691         static.
692
693 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
694
695         PR bootstrap/43964
696         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
697         only if HONOR_REG_ALLOC_ORDER is not defined.
698
699 2010-05-04  Richard Guenther  <rguenther@suse.de>
700
701         PR tree-optimization/43949
702         * tree-vrp.c (extract_range_from_binary_expr): Only handle
703         TRUNC_MOD_EXPR.
704
705 2010-04-26  Jason Merrill  <jason@redhat.com>
706
707         * c.opt (-fstrict-enums): New.
708         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
709
710 2010-05-03  David Ung <davidu@mips.com>
711             James E. Wilson  <wilson@codesourcery.com>
712
713         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
714         emit the trap instruction before the divide for TUNE_74K.
715
716 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
717
718         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
719         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
720         based on the above, for new target hook.
721
722         * hooks.c (hook_bool_mode_true): New generic hook.
723         * hooks.h (hook_bool_mode_true): Add prototype.
724
725         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
726         target hook.
727         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
728         target hook, set to hook_bool_mode_false.
729         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
730         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
731         with targetm.small_register_classes_for_mode_p.
732         (find_reusable_reload): Likewise.
733         (combine_reloads): Likewise.
734         * reload1.c (reload_as_needed): Likewise.
735         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
736         * ifcvt.c (noce_process_if_block, check_cond_move_block,
737         dead_or_predicable): Likewise.
738         * regmove.c (optimize_reg_copy_1): Likewise.
739         * calls.c (prepare_call_address): Likewise.
740         (precompute_register_parameters): Likewise.
741
742         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
743         hook definition.
744         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
745         implementation of the hook that considers all register classes
746         small except for SH64.
747         (sh_override_options): Use the new hook.
748         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
749         Add prototype.
750
751         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
752         hook definition.
753         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
754         implementation of the hook that considers all register classes
755         small for THUMB1.
756         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
757         Add prototype.
758
759         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
760         hook definition.
761         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
762         implementation of the hook that considers all register classes
763         small for MIPS16.
764         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
765         Add prototype.
766
767         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
768         hook definition.
769         * config/m32c/m32c.h: Likewise.
770         * config/pdp11/pdp11.h: Likewise.
771         * config/avr/avr.h: Likewise.
772         * config/xtensa/xtensa.h: Likewise.
773         * config/m68hc11/m68hc11.h: Likewise.
774         * config/mn10300/mn10300.h: Likewise.
775         * config/mcore/mcore.h: Likewise.
776         * config/h8300/h8300.h: Likewise.
777         * config/bfin/bfin.h: Likewise.
778
779         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
780         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
781
782 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
783
784         * double-int.h (tree_to_double_int): Remove macro.
785         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
786         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
787         (tree_to_double_int): New function.
788         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
789         Move ...
790         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
791
792 2010-05-03  Richard Guenther  <rguenther@suse.de>
793
794         PR tree-optimization/43971
795         * tree-ssa-structalias.c (get_constraint_for_1): Fix
796         constraints in the !flag_delete_null_pointer_checks case.
797
798 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
799
800         PR debug/43972
801         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
802         result mode matches original rtl mode.
803
804 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
805
806         PR target/43888
807         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
808
809 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
810
811         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
812         when processing flag options.
813
814 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
815
816         * gcov-iov.c (main): Change format string placeholder
817         from %#08x to 0x%08x.
818         * genchecksum.c (dosum): Change format string placeholder
819         from %#02x to 0x%02x.
820
821 2010-05-02  Richard Guenther  <rguenther@suse.de>
822
823         PR tree-optimization/43879
824         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
825
826 2010-05-02  Bruno Haible  <bruno@clisp.org>
827
828         * doc/extend.texi (Function Attributes): Fix a typo.
829
830 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
831
832         Revert:
833         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
834         placeholder from 0x%x to %#x.
835         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
836         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
837         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
838         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
839         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
840         * config/i386/i386.c (ix86_target_string): Ditto.
841         * config/i386/i386.c (output_pic_addr_const): Ditto.
842         (print_operand): Ditto.
843
844 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
845
846         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
847         placeholder from 0x%x to %#x.
848         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
849         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
850         (ASM_OUTPUT_DEBUG_DATA): Ditto.
851         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
852         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
853         * optc-gen.awk: Ditto.
854         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
855         (HOST_WIDE_INT_PRINT_HEX): Ditto.
856         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
857         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
858
859 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
860
861         * target.h (struct calls): Add function_value_regno_p field.
862         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
863         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
864         * targhooks.c (default_function_value_regno_p): New function.
865         * targhooks.h (default_function_value_regno_p): Declare function.
866         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
867         * builtins.c. (apply_result_size): (Ditto.).
868         * combine.c. (likely_spilled_retval_p): (Ditto.).
869         * mode-switching.c. Include 'target.h'.
870         (create_pre_exit): Use function_value_regno_p hook.
871         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
872         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
873         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
874
875         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
876         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
877         (ix86_function_value_regno_p): Declare as static, change argument
878         type to const unsigned int.
879         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
880
881 2010-05-01  Richard Guenther  <rguenther@suse.de>
882
883         PR tree-optimization/43949
884         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
885         types.
886         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
887
888 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
889
890         * rtl.h (CONST_DOUBLE_P): Define.
891         (rtx_to_double_int): Declare.
892         * emit-rtl.c (rtx_to_double_int): New function.
893         * dwarf2out.c (insert_double): New function.
894         (loc_descriptor, add_const_value_attribute): Clean up, use
895         rtx_to_double_int and insert_double functions.
896
897 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
898
899         * doc/extend.texi (Inline): Add missing return keyword to examples.
900         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
901         "command-line".
902
903 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
904
905         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
906         the variable part of the offset as well.  Use highest_pow2_factor for
907         all alignment checks.
908
909 2010-04-30  Richard Guenther  <rguenther@suse.de>
910
911         PR tree-optimization/43879
912         * tree-ssa-structalias.c (type_could_have_pointers): Functions
913         can have pointers.
914
915 2010-04-30  Jan Hubicka  <jh@suse.cz>
916
917         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
918         varpool.
919         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
920
921 2010-04-30  Jan Hubicka  <jh@suse.cz>
922
923         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
924         New.
925         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
926         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
927         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
928         cgraph_node_set_needs_ltrans_p): Remove.
929
930 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
931
932         * sdbout.c: Include vec.h, do not include varray.h.
933         (deferred_global_decls, sdbout_global_decl,
934         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
935         * toplev.c: Do not include varray.h.
936         (dump_memory_report): Do not dump VARRAY statistics.
937         * gengtype.c (open_base_file): Ignore varray.h.
938         * Makefile.in: Update for abovementioned changes.
939         Remove all traces of varray.c and varray.h.
940         * varray.c: Remove file.
941         * varray.h: Remove file.
942
943 2010-04-30  Jan Hubicka  <jh@suse.cz>
944
945         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
946         references.
947
948 2010-04-30  Jan Hubicka  <jh@suse.cz>
949
950         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
951         needed.
952
953 2010-04-30  Richard Guenther  <rguenther@suse.de>
954
955         * tree-ssa-structalias.c (get_constraint_for_1): Generate
956         constraints for CONSTRUCTOR.
957
958 2010-04-30  Richard Guenther  <rguenther@suse.de>
959
960         PR lto/43946
961         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
962         first after all lowering passes.
963
964 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
965
966         * toplev.c: Include varray.h for statistics dumping.
967         * tree.h: Do not declare varray_head_tag.
968         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
969         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
970         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
971         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
972         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
973         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
974         c-common.c, c-common.h, reg-stack.c, basic-block.h,
975         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
976         include varray.h.
977         * Makefile.in: Update for abovementioned changes.
978
979 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
980
981         PR debug/43942
982         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
983
984 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
985
986         * config/picochip/picochip.c (picochip_legitimize_address): Define.
987         Use this function to do machine-specific conversion.
988         (picochip_legitimize_reload_address): Likewise.
989         (picochip_legitimate_address_p): Check valid base register only if
990         strict.
991         (picochip_check_conditional_copy): Check for modw only if opnd is
992         register.
993         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
994         to call the function in c.
995         * config/picochip/picochip-protos.h
996         (picochip_legitimize_reload_address): Define.
997         * config/picochip/picochip.md (supported_compare1): Define.
998
999 2010-04-30  Jan Hubicka  <jh@suse.cz>
1000
1001         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
1002         (cgraph_global_info): Remove inlined.
1003         (LTO_cgraph_tag_names): Remove.
1004         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
1005         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
1006         simplify cgraph tags and document.
1007         (lto_output_node): Use only LTO_cgraph_unavail_node and
1008         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
1009         for_functions_valid, global info, process and output flags.
1010         (input_overwrite_node): Initialize estimated stack size and
1011         estimated growth.  Do not read flags we no longer store.
1012         (input_node): Likewise do not read info no longer stored.
1013         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
1014         flag.
1015
1016 2010-04-30  Richard Guenther  <rguenther@suse.de>
1017
1018         PR tree-optimization/43879
1019         * tree-ssa-structalias.c (get_constraint_for_1): Properly
1020         handle non-zero initializers.
1021
1022 2010-04-30  Richard Guenther  <rguenther@suse.de>
1023
1024         * builtins.c (fold_builtin_1): Delete free (0).
1025
1026 2010-04-29  Jan Hubicka  <jh@suse.cz>
1027
1028         * gengtype.c (open_base_files): Add lto-streamer.h
1029         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
1030         (pass_ipa_cp): GGC collect.
1031         * toplev. (compile_file): Do not output symbols.
1032         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
1033         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
1034         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
1035         * lto-section-in.c: Include ggc.h
1036         (lto_new_in_decl_state): Alloc in GGC.
1037         (lto_delete_in_decl_state): Likewise.
1038         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
1039         Collect.
1040
1041 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1042
1043         PR target/42895
1044         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
1045         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
1046         (HONOR_REG_ALLOC_ORDER): Describe new macro.
1047         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
1048         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
1049         account only if HONOR_REG_ALLOC_ORDER is not defined.
1050         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
1051         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
1052
1053 2010-04-29  Jon Grant  <04@jguk.org>
1054
1055         * collect2.c (vflag): Change type from int to bool.
1056         (debug): Likewise.
1057         (helpflag): New global bool.
1058         (main): Set vflag and debug with boolean, not integer truth values.
1059         Accept new "--help" option and output usage text if found.
1060         * collect2.h (vflag): Update prototype.
1061         (debug): Likewise.
1062
1063 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1064
1065         PR bootstrap/43936
1066         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
1067
1068 2010-04-29  Richard Guenther  <rguenther@suse.de>
1069
1070         PR bootstrap/43935
1071         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1072         with ATTRIBUTE_UNUSED.
1073
1074 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1075
1076         PR target/43921
1077         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1078         INSN_P with NONDEBUG_INSN_P.
1079         (distance_non_agu_define): Likewise.
1080         (distance_agu_use): Likewise.
1081
1082 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1083
1084         From Dominique d'Humieres <dominiq@lps.ens.fr>
1085         PR bootstrap/43858
1086         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1087         test_set.
1088
1089 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1090
1091         * plugin.h (invoke_plugin_callbacks): New inline function.
1092         * plugin.c (flag_plugin_added): New global flag.
1093         (add_new_plugin): Initialize above flag.
1094         (invoke_plugin_callbacks): Rename to ...
1095         (invoke_plugin_callbacks_full): ... this.
1096
1097 2010-04-28  Jan Hubicka  <jh@suse.cz>
1098
1099         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1100         (lto_varpool_replace_node): New.
1101         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1102         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1103         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1104         * cgraph.h (varpool_node_ptr): New type.
1105         (varpool_node_ptr): New vector.
1106         (varpool_node_set_def): New structure.
1107         (varpool_node_set): New type.
1108         (varpool_node_set): New vector.
1109         (varpool_node_set_element_def): New structure.
1110         (varpool_node_set_element, const_varpool_node_set_element): New types.
1111         (varpool_node_set_iterator): New type.
1112         (varpool_node): Add prev pointers, add used_from_other_partition,
1113         in_other_partition.
1114         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1115         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1116         varpool_get_node, varpool_remove_node): Declare.
1117         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1118         varpool_node_set_size): New inlines.
1119         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1120         * tree-pass.h (varpool_node_set_def): Forward declare.
1121         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1122         (ipa_write_optimization_summaries): Update prototype.
1123         * ipa-cp.c (ipcp_write_summary): Update.
1124         * ipa-reference.c (ipa_reference_write_summary): Update.
1125         * lto-cgraph.c (lto_output_varpool_node): New static function.
1126         (output_varpool): New function.
1127         (input_varpool_node): New static function.
1128         (input_varpool_1): New function.
1129         (input_cgraph): Input varpool.
1130         * ipa-pure-const.c (pure_const_write_summary): Update.
1131         * lto-streamer-out.c (lto_output): Update, output varpool too.
1132         (write_global_stream): Kill WPA hack.
1133         (produce_asm_for_decls): Update.
1134         (output_alias_pair_p): Handle variables.
1135         (output_unreferenced_globals): Output only needed partition of varpool.
1136         * ipa-inline.c (inline_write_summary): Update.
1137         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1138         cgraph.
1139         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1140         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1141         varpool_node_set_new, varpool_node_set_add,
1142         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1143         debug_varpool_node_set): New functions.
1144         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1145         (execute_one_pass): Process new decls too.
1146         (ipa_write_summaries_2): Pass around vsets.
1147         (ipa_write_summaries_1): Likewise.
1148         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1149         to add.
1150         (ipa_write_optimization_summaries_1): Pass around vsets.
1151         (ipa_write_optimization_summaries): Likewise.
1152         * varpool.c (varpool_get_node): New.
1153         (varpool_node): Update doubly linked lists.
1154         (varpool_remove_node): New.
1155         (dump_varpool_node): More dumping.
1156         (varpool_enqueue_needed_node): Update doubly linked lists.
1157         (decide_is_variable_needed): Kill ltrans hack.
1158         (varpool_finalize_decl): Kill lto hack.
1159         (varpool_assemble_decl): Skip decls in other partitions.
1160         (varpool_assemble_pending_decls): Update doubly linkes lists.
1161         (varpool_empty_needed_queue): Likewise.
1162         (varpool_extra_name_alias): Likewise.
1163         * lto-streamer.c (lto_get_section_name): Add vars section.
1164         * lto-streamer.h (lto_section_type): Update.
1165         (output_varpool, input_varpool): Declare.
1166
1167 2010-04-28  Mike Stump  <mikestump@comcast.net>
1168
1169         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1170
1171 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1172
1173         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1174         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1175         (lto_input_ts_type_tree_pointers): Likewise.
1176         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1177         (lto_output_ts_type_tree_pointers): Likewise.
1178
1179 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1180
1181         Uniquization of constants at the Tree level
1182         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1183         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1184         bit to the end.
1185         (tree_output_constant_def): Declare.
1186         * gimplify.c (gimplify_init_constructor): When using block copy, first
1187         uniquize the constant constructor on the RHS.
1188         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1189         DECL_IN_CONSTANT_POOL flag.
1190         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1191         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1192         constant pool.
1193         (assemble_variable): Deal with symbols belonging to the tree constant
1194         pool.
1195         (get_constant_section): Add ALIGN parameter and simplify.
1196         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1197         (assemble_constant_contents): Use the expression of the VAR_DECL.
1198         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1199         (tree_output_constant_def): New global function.
1200         (mark_constant): Use the expression of the VAR_DECL.
1201         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1202         its expression.
1203         (output_object_block): Likewise and assemble the expression.
1204
1205 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1206
1207         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1208         hash_tree, eq_tree): New tree hash table.
1209         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1210         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1211         lto_orig_address_remove): Reimplement.
1212
1213 2010-04-28  Xinliang David Li  <davidxl@google.com>
1214
1215         PR c/42643
1216         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1217         (compute_uninit_opnds_pos): New function.
1218         (is_non_loop_exit_postdominating): New function.
1219         (compute_control_dep_chain): New function.
1220         (find_pdom): New function.
1221         (convert_control_dep_chain_into_preds): New function.
1222         (find_predicates): New function.
1223         (find_control_equiv_block): New function.
1224         (collect_phi_def_edges): New function.
1225         (find_def_preds): New function.
1226         (find_dom): New function.
1227         (dump_predicates): New function.
1228         (get_cmp_code): New function.
1229         (is_value_included_in): New function.
1230         (find_matching_predicate_in_rest_chains): New function.
1231         (use_pred_not_overlap_with_undef_path_pred): New function.
1232         (is_use_properly_guarded): New function.
1233         (normalize_cond_1): New function.
1234         (is_and_or_or): New function.
1235         (normalize_cond): New function.
1236         (is_gcond_subset_of): New function.
1237         (is_subset_of_any): New function.
1238         (is_or_set_subset_of): New function.
1239         (is_and_set_subset_of): New function.
1240         (is_norm_cond_subset_of): New function.
1241         (is_pred_expr_subset_of): New function.
1242         (is_pred_chain_subset_of): New function.
1243         (is_included_in): New function.
1244         (is_superset_of): New function.
1245         (find_uninit_use): New function.
1246         (warn_uninitialized_phi): New function.
1247         (compute_possibly_undefined_names): New function.
1248         (ssa_undefined_value_p): New function.
1249         (execute_late_warn_uninitialized): New function.
1250         * tree-ssa.c (ssa_undefined_value_p): Removed.
1251         (warn_uninit): Changed to extern.
1252         (warn_uninitialized_phi): Removed.
1253         (warn_uninitialized_vars): Changed to extern.
1254         (execute_late_warn_uninitialized): Removed
1255         * tree-flow.h: Add new prototypes.
1256         * timevar.def: Add new time variable.
1257         * Makefile.in: Add new build file.
1258
1259 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1260
1261         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1262         type if available.
1263
1264 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1265
1266         PR target/22224
1267         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1268
1269 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1270
1271         * cgraph.h (struct cgraph_node): New field indirect_calls.
1272         (struct cgraph_indirect_call_info): New type.
1273         (struct cgraph_edge): Removed field indirect_call. New fields
1274         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1275         (cgraph_create_indirect_edge): Declare.
1276         (cgraph_make_edge_direct): Likewise.
1277         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1278         * ipa-prop.h (struct ipa_param_call_note): Removed.
1279         (struct ipa_node_params): Removed field param_calls.
1280         (ipa_create_all_structures_for_iinln): Declare.
1281         * cgraph.c: Described indirect edges and uids in initial comment.
1282         (cgraph_add_edge_to_call_site_hash): New function.
1283         (cgraph_edge): Search also among the indirect edges, use
1284         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1285         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1286         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1287         site hash.
1288         (initialize_inline_failed): Assign a reason to indirect edges.
1289         (cgraph_create_edge_1): New function.
1290         (cgraph_create_edge): Moved some functionality to
1291         cgraph_create_edge_1.
1292         (cgraph_create_indirect_edge): New function.
1293         (cgraph_edge_remove_callee): Add an assert checking for
1294         non-indirectness.
1295         (cgraph_edge_remove_caller): Special-case indirect edges.
1296         (cgraph_remove_edge): Likewise.
1297         (cgraph_set_edge_callee): New function.
1298         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1299         (cgraph_make_edge_direct): New function.
1300         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1301         the declaration of the call statement matches.
1302         (cgraph_node_remove_callees): Special-case indirect edges.
1303         (cgraph_clone_edge): Likewise.
1304         (cgraph_clone_node): Clone also the indirect edges.
1305         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1306         indirect_call, dump count of indirect_calls edges.
1307         * ipa-prop.c (iinlining_processed_edges): New variable.
1308         (ipa_note_param_call): Create indirect edges instead of
1309         creating notes.  New parameter node.
1310         (ipa_analyze_call_uses): New parameter node, pass it on to
1311         ipa_note_param_call.
1312         (ipa_analyze_stmt_uses): Likewise.
1313         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1314         (print_edge_addition_message): Work on edges rather than on notes.
1315         (update_call_notes_after_inlining): Likewise, renamed to
1316         update_indirect_edges_after_inlining.
1317         (ipa_create_all_structures_for_iinln): New function.
1318         (ipa_free_node_params_substructures): Do not free notes.
1319         (ipa_edge_duplication_hook): Propagate bits within
1320         iinlining_processed_edges bitmap.
1321         (ipa_node_duplication_hook): Do not duplicate notes.
1322         (free_all_ipa_structures_after_ipa_cp): Renamed to
1323         ipa_free_all_structures_after_ipa_cp.
1324         (free_all_ipa_structures_after_iinln): Renamed to
1325         ipa_free_all_structures_after_iinln.g
1326         (ipa_write_param_call_note): Removed.
1327         (ipa_read_param_call_note): Removed.
1328         (ipa_write_indirect_edge_info): New function.
1329         (ipa_read_indirect_edge_info): Likewise.
1330         (ipa_write_node_info): Do not stream notes, do stream information
1331         in indirect edges.
1332         (ipa_read_node_info): Likewise.
1333         (lto_ipa_fixup_call_notes): Removed.
1334         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1335         * ipa-inline.c (pass_ipa_inline): Likewise.
1336         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1337         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1338         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1339         is_gimple_call.
1340         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1341         edges.
1342         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1343         (output_cgraph): Stream also indirect edges.
1344         (lto_output_edge): Added capability to stream indirect edges.
1345         (input_edge): Likewise.
1346         (input_cgraph_1): Likewise.
1347         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1348         of indirect edges.
1349
1350 2010-04-28  Richard Guenther  <rguenther@suse.de>
1351
1352         PR tree-optimization/43879
1353         PR tree-optimization/43909
1354         * tree-ssa-structalias.c (struct variable_info): Add
1355         only_restrict_pointers flag.
1356         (new_var_info): Initialize it.  Increment stats.total_vars here.
1357         (create_function_info_for): Do not increment stats.total_vars
1358         here.
1359         (get_function_part_constraint): Fix build with C++.
1360         (insert_into_field_list): Remove.
1361         (push_fields_onto_fieldstack): Properly merge fields.
1362         (create_variable_info_for): Split and simplify.
1363         (create_variable_info_for_1): New piece.
1364         (intra_create_variable_infos): Properly make restrict constraints
1365         from parameters.
1366
1367 2010-04-28  Richard Guenther  <rguenther@suse.de>
1368
1369         PR c++/43880
1370         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1371
1372 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1373             Jan Hubicka <hubicka@ucw.cz>
1374
1375         * doc/invoke.texi (-Wsuggest-attribute=const,
1376         -Wsuggest-attribute=pure): Document.
1377         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1378         (function_always_visible_to_compiler_p,
1379         suggest_attribute, warn_function_pure, warn_function_const):
1380         New functions.
1381         (check_call): Improve debug info.
1382         (analyze_function): Do not check availability.
1383         (add_new_function): Check availability.
1384         (propagate): Output warnings.
1385         (skip_function_for_local_pure_const): New function.
1386         (local_pure_const): Use it; output warnings.
1387         * common.opt (Wsuggest-attribute=const,
1388         Wsuggest-attribute=pure): New.
1389
1390 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1391
1392         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1393         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1394         or DW_CFA_def_cfa_offset{,_sf}.
1395
1396 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1397
1398         * tree.h: Fix truncated long macros.
1399
1400 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1401
1402         * collect2.c (TARGET_64BIT): Redefine to target's default.
1403         * tlink.c: Likewise.
1404         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1405         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1406         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1407         for underscoring __USER_LABEL_PREFIX__.
1408         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1409         (SUB_LINK_ENTRY32): New.
1410         (SUB_LINK_ENTRY64): New.
1411         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1412         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1413         (SUB_LINK_ENTRY64): New.
1414         (SUB_LINK_ENTRY): New.
1415         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1416         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1417         x64 target is choosen.
1418         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1419         * configure: Regenerated.
1420         * configure.ac (leading-mingw64-underscores): Option added.
1421
1422 2010-04-27  Jan Hubicka  <jh@suse.cz>
1423
1424         * doc/invoke.texi (-fipa-profile): Document.
1425         * opts.c (decode_options): Enable ipa-profile at -O1.
1426         * timevar.def (TV_IPA_PROFILE): Define.
1427         * common.opt (fipa-profile): Add.
1428         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1429         flag for clones.
1430         (cgraph_propagate_frequency): Handle only local ones.
1431         * tree-pass.h (pass_ipa_profile): Declare.
1432         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1433         (pass_ipa_profile): Use TV_IPA_PROFILE.
1434         * ipa.c (ipa_profile): New function.
1435         (gate_ipa_profile): Likewise.
1436         (pass_ipa_profile): New global variable.
1437         * passes.c (pass_ipa_profile): New.
1438
1439 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1440
1441         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1442
1443 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1444
1445         PR middle-end/43812
1446         * ipa.c (dissolve_same_comdat_group_list): New function.
1447         (function_and_variable_visibility): Call
1448         dissolve_same_comdat_group_list when comdat group contains external or
1449         newly local nodes.
1450         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1451         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1452
1453 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1454
1455         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1456         (const_hash_1) <VECTOR_CST>: New case.
1457         (compare_constant) <VECTOR_CST>: Likewise.
1458         <ADDR_EXPR>: Deal with LABEL_REFs.
1459         (copy_constant) <VECTOR_CST>: New case.
1460
1461 2010-04-27  Jan Hubicka  <jh@suse.cz>
1462
1463         * cgraph.c (cgraph_propagate_frequency): New function.
1464         * cgraph.h (cgraph_propagate_frequency): Declare.
1465         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1466         cgraph_propagate_frequency.
1467
1468 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1469
1470         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1471
1472 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1473
1474         PR target/40657
1475         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1476         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1477         here to determine which regs to push and how much stack to reserve.
1478
1479 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1480
1481         * doc/gimple.texi (gimple_statement_with_ops): Remove
1482         addresses_taken field.
1483         (gimple_statement_with_memory_ops): Likewise.
1484
1485 2010-04-27  Jan Hubicka  <jh@suse.cz>
1486
1487         * tree-inline.c (eni_inlining_weights): Remove.
1488         (estimate_num_insns): Special case more builtins.
1489
1490 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1491
1492         PR c/32207
1493         * c-typeck.c (build_binary_op): Move forward check for comparison
1494         pointer with null pointer constant and adjust the diagnostic message.
1495
1496 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1497
1498         PR lto/42776
1499         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1500         binutils supports extended .section directive needed by LTO, or
1501         warn if older binutils found.
1502         (LTO_BINARY_READER): New AC_SUBST'd variable.
1503         (LTO_USE_LIBELF): Likewise.
1504         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1505         variable.
1506         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1507         (LTO_USE_LIBELF): Likewise.
1508         * configure: Regenerate.
1509
1510         * collect2.c (is_elf): Rename from this ...
1511         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1512          object files in addition to ELF-formatted ones.
1513         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1514         symbol to be prefixed or not by an extra underscore.
1515
1516         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1517         * config/i386/winnt.c: Also #include lto-streamer.h
1518         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1519         LTO named sections.
1520         (i386_pe_asm_output_aligned_decl_common): Add comment.
1521         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1522
1523 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1524
1525         PR target/43889
1526         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1527         Add missing earlyclobber for second alternative.
1528
1529 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1530
1531         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1532         bits for artificial defs at the top of the block.
1533         * fwprop.c (single_def_use_enter_block): Don't call it.
1534
1535 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1536
1537         PR 43715
1538         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1539         instead of "$gcc_cv_objdump -T".
1540         Use "-undefined dynamic_lookup" on darwin.
1541         * gcc/configure: Regenerate.
1542
1543 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1544
1545         PR c/43893
1546         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1547
1548 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1549
1550         * c-parser.c (struct c_token): Move location field up.
1551         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1552         (struct c_declspecs): Convert typespec_word, storage_class, and
1553         default_int_p into bitfields.
1554         (struct c_declarator): Move loc field up.
1555
1556 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1557
1558         * cfgloop.h (struct loop): Move can_be_parallel field up.
1559         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1560         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1561         down.
1562         (struct iv_cand): Convert pos field into a bitfield.
1563         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1564         field up.
1565         (struct _stmt_vec_info): Shuffle fields for better packing.
1566
1567 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1568
1569         * varasm.c (IN_NAMED_SECTION): Remove guard.
1570         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1571         (IN_NAMED_SECTION_P): ...this.
1572         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1573         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1574
1575 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1576
1577         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1578         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1579         of shadowing it.  Fix comments.
1580
1581 2010-04-26  Jan Hubicka  <jh@suse.cz>
1582
1583         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1584         (cgraph_clone_node): Copy function frequency.
1585         * cgraph.h (node_frequency): New enum
1586         (struct cgraph_node): Add.
1587         * final.c (rest_of_clean_state): Update.
1588         * lto-cgraph.c (lto_output_node): Output node frequency.
1589         (input_overwrite_node): Input node frequency.
1590         * tre-ssa-loop-ivopts (computation_cost): Update.
1591         * lto-streamer-out.c (output_function): Do not output function
1592         frequency.
1593         * predict.c (maybe_hot_frequency_p): Update and handle functions
1594         executed once.
1595         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1596         attribute lookup.
1597         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1598         (compute_function_frequency): Set noreturn functions to be executed
1599         once.
1600         (choose_function_section): Update.
1601         * lto-streamer-in.c (input_function): Do not input function frequency.
1602         * function.c (allocate_struct_function): Do not initialize function
1603         frequency.
1604         * function.h (function_frequency): Remove.
1605         (struct function): Remove function frequency.
1606         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1607         (try_update): Update.
1608         * tree-inline.c (initialize_cfun): Do not update function frequency.
1609         * passes.c (pass_init_dump_file): Update.
1610         * i386.c (ix86_compute_frame_layout): Update.
1611         (ix86_pad_returns): Update.
1612
1613 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1614
1615         PR tree-optimization/43833
1616         * tree-vrp.c (range_int_cst_p): New.
1617         (range_int_cst_singleton_p): New.
1618         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1619         when both operands are constants.  Use range_int_cst_p in
1620         BIT_IOR_EXPR case.
1621
1622 2010-04-26  Jan Hubicka  <jh@suse.cz>
1623
1624         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1625
1626 2010-04-26  Richard Guenther  <rguenther@suse.de>
1627
1628         PR lto/43080
1629         * gimple.c (gimple_decl_printable_name): Deal gracefully
1630         with a NULL DECL_NAME.
1631
1632 2010-04-26  Richard Guenther  <rguenther@suse.de>
1633
1634         PR lto/42425
1635         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1636         if emitting debug information and it is either a function
1637         or a namespace decl.
1638
1639 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1640
1641         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1642         determine if the statement is vectorizable, and a macro to access it.
1643         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1644         Skip statements that can't be vectorized. If the analysis fails,
1645         mark the statement as unvectorizable if vectorizing basic block.
1646         (vect_compute_data_refs_alignment): Likewise.
1647         (vect_verify_datarefs_alignment): Skip statements marked as
1648         unvectorizable. Add print.
1649         (vect_analyze_group_access): Skip statements that can't be
1650         vectorized. If the analysis fails, mark the statement as
1651         unvectorizable if vectorizing basic block.
1652         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1653         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1654         generated stmts for SLP.
1655         (new_stmt_vec_info): Initialize the new field.
1656         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1657         statements marked as unvectorizable.
1658
1659 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1660
1661         * c-common.c (flag_isoc1x): New.
1662         (flag_isoc99): Update comment.
1663         * c-common.h (flag_isoc1x): New.
1664         (flag_isoc99): Update comment.
1665         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1666         __<type>_DECIMAL_DIG__.
1667         * c-opts.c (set_std_c1x): New.
1668         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1669         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1670         * c.opt (-std=c1x, -std=gnu1x): New options.
1671         * doc/cpp.texi: Mention -std=c1x.
1672         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1673         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1674         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1675         * doc/standards.texi: Mention C1X.
1676         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1677         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1678         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1679         Define for C1X.
1680
1681 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1682
1683         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1684         placeholder from 0x%x to %#x.
1685         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1686         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1687         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1688         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1689         * config/i386/i386.c (ix86_target_string): Ditto.
1690         (output_pic_addr_const): Ditto.
1691         (print_operand): Ditto.
1692
1693 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1694
1695         * combine.c (find_split_point): Add third argument.  Use it
1696         to find nested multiply-accumulate instructions.  Adjust calls.
1697         (try_combine): Adjust call to find_split_point.
1698
1699 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1700
1701         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1702
1703 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1704
1705         PR tree-optimization/41442
1706         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1707         (fold_binary_loc): Call it.
1708
1709 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1710
1711         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1712         * opts.c (common_handle_option): Allow disabling it.
1713         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1714
1715 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1716
1717         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1718         between modes if both types are integral.
1719
1720 2010-04-23  Richard Guenther  <rguenther@suse.de>
1721
1722         PR tree-optimization/43572
1723         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1724
1725 2010-04-23  Richard Guenther  <rguenther@suse.de>
1726
1727         PR lto/43455
1728         * tree-inline.c (tree_can_inline_p): Also check compatibility
1729         of return types.
1730
1731 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1732
1733         PR tree-optimization/43846
1734         * tree-sra.c (struct access): New flag grp_assignment_read.
1735         (build_accesses_from_assign): Set grp_assignment_read.
1736         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1737         (enum mark_read_status): New type.
1738         (analyze_access_subtree): Propagate grp_assignment_read, create
1739         accesses also if both direct_read and root->grp_assignment_read.
1740
1741 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1742
1743         PR middle-end/43835
1744         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1745         function does not have type attributes.
1746
1747 2010-04-23  Richard Guenther  <rguenther@suse.de>
1748
1749         PR lto/42653
1750         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1751         of FUNCTION_DECLs.
1752
1753 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1754
1755         * sese.h (create_if_region_on_edge): Remove.
1756
1757         * sese.c (create_if_region_on_edge): Make static.
1758
1759         * tree-inline.c: Do not include ggc.h.
1760
1761         * expr.c: Do not include ggc.h.
1762
1763         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1764         dependencies.
1765
1766 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1767
1768         PR target/43744
1769         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1770         in the middle of insns for casesi_worker_2.
1771
1772 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1773
1774         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1775
1776 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1777
1778         PR tree-optimization/43842
1779         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1780         loop unrolling in update of exit phis. Fix comment.
1781         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1782         least two reduction statements in the loop before starting SLP
1783         analysis.
1784
1785 2010-04-22  Nick Clifton  <nickc@redhat.com>
1786
1787         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1788
1789 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1790
1791         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1792         to simplify a + ~a.
1793
1794 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1795
1796         * tree-parloops.c (loop_parallel_p): New argument
1797         parloop_obstack.  Pass it down.
1798         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1799         pass it down, free it.
1800
1801         * tree-loop-linear.c (linear_transform_loops): Pass down
1802         lambda_obstack.
1803
1804         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1805         of type struct obstack *.
1806
1807         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1808         scratch_obstack.  Initialize it, pass down, free it.
1809
1810         * lambda.h (lambda_loop_new): Remove.
1811         (lambda_matrix_new, lambda_matrix_inverse)
1812         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1813         argument of type struct obstack *.
1814
1815         * lambda-trans.c (lambda_trans_matrix_new): New argument
1816         lambda_obstack.  Pass it down, use obstack allocation for ret.
1817         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1818         it down.
1819
1820         * lambda-mat.c (lambda_matrix_get_column)
1821         (lambda_matrix_project_to_null): Remove.
1822         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1823         allocation for mat.
1824         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1825         lambda_obstack.
1826
1827         * lambda-code.c (lambda_loop_new): New function.
1828         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1829         (lambda_compute_auxillary_space, lambda_compute_target_space)
1830         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1831         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1832         (build_access_matrix): New argument lambda_obstack.  Use obstack
1833         allocation for am.
1834         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1835         argument lambda_obstack.  Pass it down.
1836
1837 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1838
1839         * optabs.h (expand_widening_mult): Declare.
1840
1841 2010-04-22  Richard Guenther  <rguenther@suse.de>
1842
1843         PR tree-optimization/43845
1844         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1845         lookup the CALL_EXPR function and arguments.
1846
1847 2010-04-22  Nick Clifton  <nickc@redhat.com>
1848
1849         * config/stormy16/stormy16.c
1850         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1851         * config/stormy16/stormy16.h: Tidy up formatting.
1852         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1853         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1854         (ineqbranchsi): Delete pattern.
1855         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1856         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1857         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1858         stormy16-lib2-ucmpsi2.c.
1859
1860 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1861
1862         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1863         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1864         extra set merge_set_noclobber, and use it to relax the final test
1865         slightly.
1866         * df.h (df_simulate_find_noclobber_defs): Declare.
1867         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1868         conditional defs.
1869         (df_simulate_find_noclobber_defs): New function.
1870
1871 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1872
1873         * config/i386/i386.md: Use {} around multi-line preparation statements.
1874
1875 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1876
1877         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1878         (process_init_element): New argument of type struct obstack *.
1879
1880         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1881         (set_init_index, set_init_label, set_nonincremental_init)
1882         (set_nonincremental_init_from_string, find_init_member)
1883         (output_init_element, output_pending_init_elements)
1884         (process_init_element): New argument braced_init_obstack.  Pass it
1885         down.
1886         (push_range_stack, add_pending_init): New argument
1887         braced_init_obstack.  Use obstack allocation.
1888
1889         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1890         braced_init_obstack.  Pass it down.
1891         (c_parser_braced_init): New variables ret, braced_init_obstack.
1892         Initialize obstack, pass it down and finally free it.
1893
1894 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1895
1896         PR middle-end/29274
1897         * tree-pass.h (pass_optimize_widening_mul): Declare.
1898         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1899         gate_optimize_widening_mul): New static functions.
1900         (pass_optimize_widening_mul): New.
1901         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1902         <case MULT_EXPR>: Remove support for widening multiplies.
1903         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1904         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1905         simplify_gen_unary rather than directly building extensions.
1906         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1907         WIDEN_MULT_EXPR.
1908         * expmed.c (expand_widening_mult): New function.
1909         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1910
1911 2010-04-21  Jan Hubicka  <jh@suse.cz>
1912
1913         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1914         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1915         * lto-wpa-fixup.c: Remove.
1916         * Makefile.in (lto-wpa-fixup.o): Remove.
1917         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1918         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1919         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1920
1921 2010-04-21  Jan Hubicka  <jh@suse.cz>
1922
1923         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1924         add write_optimization_summary, read_optimization_summary.
1925         (ipa_write_summaries_of_cgraph_node_set): Remove.
1926         (ipa_write_optimization_summaries): Declare.
1927         (ipa_read_optimization_summaries): Declare.
1928         * ipa-cp.c (pass_ipa_cp): Update.
1929         * ipa-reference.c (pass_ipa_reference): Update.
1930         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1931         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1932         Update.
1933         * ipa-inline.c (pass_ipa_inline): Update.
1934         * ipa.c (pass_ipa_whole_program): Update.
1935         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1936         * passes.c (ipa_write_summaries_1): Do not test wpa.
1937         (ipa_write_optimization_summaries_1): New.
1938         (ipa_write_optimization_summaries): New.
1939         (ipa_read_summaries): Do not test ltrans.
1940         (ipa_read_optimization_summaries_1): New.
1941         (ipa_read_optimization_summaries): New.
1942
1943 2010-04-21  Jan Hubicka  <jh@suse.cz>
1944
1945         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1946         for boundary nodes.
1947         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1948
1949 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1950
1951         PR debug/40040
1952         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1953         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1954
1955 2010-04-21  Jan Hubicka  <jh@suse.cz>
1956
1957         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1958
1959 2010-04-21  Jan Hubicka  <jh@suse.cz>
1960
1961         * varpool.c (decide_is_variable_needed): Variable is always needed
1962         during ltrans.
1963
1964 2010-04-21  Jan Hubicka  <jh@suse.cz>
1965
1966         * opts.c (decode_options): Enable pure-const pass for whopr.
1967
1968 2010-04-21  Jan Hubicka  <jh@suse.cz>
1969
1970         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1971         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1972         at WPA dumping.
1973         (cgraph_decide_inlining): Do not expect callee to be removed in all
1974         cases.
1975
1976 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1977
1978         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1979
1980 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1981
1982         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1983         amdfam10_decode attributes.
1984
1985 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1986
1987         PR middle-end/43570
1988         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1989         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1990         (lower_copyprivate_clauses): Use private var in outer
1991         context instead of original var.  Make sure the types
1992         are correct for VLAs.
1993
1994 2010-04-21  Richard Guenther  <rguenther@suse.de>
1995
1996         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1997         to non-pointer objects.
1998
1999 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
2000
2001         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
2002         last chain entry if it starts with the still current label.
2003         (add_location_or_const_value_attribute): Check that
2004         loc_list->first->next is NULL instead of comparing ->first with ->last.
2005         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
2006         to add_var_loc_to_decl.
2007
2008         * dwarf2out.c (output_call_frame_info): For dw_cie_version
2009         >= 4 add also address size and segment size fields into CIE header.
2010
2011         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
2012         long as address size is the same as sizeof (void *) and
2013         segment size is 0.
2014         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
2015         address size or segment size is unexpected, return DW_EH_PE_omit.
2016         (classify_object_over_fdes): If get_cie_encoding returned
2017         DW_EH_PE_omit, return -1.
2018         (init_object): If classify_object_over_fdes returned -1,
2019         pretend there were no FDEs at all.
2020
2021 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
2022
2023         * config/i386/i386.md (bswap<mode>2): Macroize expander from
2024         bswap{si,di}2 using SWI48 mode iterator.
2025         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
2026         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
2027         set modrm attribute of bswap insn to 0 and remove length attribute.
2028         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
2029         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
2030         set mode attribute to <MODE> and remove length attribute.
2031
2032 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
2033
2034         PR rtl-optimization/43520
2035         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
2036         zero available registers.
2037
2038 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2039
2040         * builtins.c (fold_builtin_cproj): Fold more cases.
2041
2042 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2043
2044         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
2045         (fold_builtin_1): Fold builtin cproj.
2046         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
2047         Use ATTR_CONST_NOTHROW_LIST.
2048
2049 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
2050
2051         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
2052         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
2053         ffsi2_no_cmove for !TARGET_CMOVE.
2054         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
2055         (ffssi2): Remove expander.
2056         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
2057         mode iterator.
2058         (ctz<mode>2): Ditto from ctz{si,di}2.
2059         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
2060         mode iterator.
2061         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
2062         mode iterator.
2063
2064 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2065
2066         * dwarf2out.c (AT_linkage_name): Define.
2067         (clone_as_declaration): Handle DW_AT_linkage_name.
2068         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
2069         of DW_AT_MIPS_linkage_name.
2070         (move_linkage_attr): Likewise.
2071         (dwarf2out_finish): Likewise.
2072
2073 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2074
2075         PR middle-end/41952
2076         * fold-const.c (fold_comparison): New folding rule.
2077
2078 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2079
2080         * double-int.h (double_int_setbit): Declare.
2081         * double-int.c (double_int_setbit): New function.
2082         * rtl.h (immed_double_int_const): Declare.
2083         * emit-rtl.c (immed_double_int_const): New function.
2084         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2085         and immed_double_int_const functions.
2086         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2087         expand_copysign_bit):  (Ditto.).
2088         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2089         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2090         * dojump.c (prefer_and_bit_test): (Ditto.).
2091         * expr.c (convert_modes, reduce_to_bit_field_precision,
2092         const_vector_from_tree): (Ditto.).
2093         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2094
2095 2010-04-20  Jan Hubicka  <jh@suse.cz>
2096
2097         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2098         (dump_cgraph_node): Dump new flags.
2099         * cgraph.h (struct cgraph_node): Add flags
2100         reachable_from_other_partition and in_other_partition.
2101         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2102         other partition can not be removed.
2103         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2104         the other partition must be output; silence sanity checking on
2105         leaking functions bodies from other paritition.
2106         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2107         (lto_output_node): Output new flags; do not sanity check that inline
2108         clones are output; drop lto_forced_extern_inline_p code; do not mock
2109         visibility flags at partition boundaries.
2110         (add_node_to): New function.
2111         (output_cgraph): Use it to sort functions so masters appear before
2112         clones.
2113         (input_overwrite_node): Input new flags.
2114         * passes.c (ipa_write_summaries): Do not call
2115         lto_new_extern_inline_states.
2116         * lto-section-out.c (forced_extern_inline,
2117         lto_new_extern_inline_states lto_delete_extern_inline_states,
2118         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2119         * lto-streamer.h (lto_new_extern_inline_states,
2120         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2121         lto_forced_extern_inline_p): Kill.
2122
2123 2010-04-20  Richard Guenther  <rguenther@suse.de>
2124
2125         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2126         from vars that can have pointers.
2127         (process_constraint): Dump useless constraints.
2128
2129 2010-04-20  Richard Guenther  <rguenther@suse.de>
2130
2131         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2132         (dump_sa_points_to_info): Remove asserts.
2133         (init_base_vars): nothing_id isn't an escape point nor does it
2134         have pointers.
2135
2136 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2137
2138         * tree.h (TYPE_REF_IS_RVALUE): Define.
2139         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2140         should_move_die_to_comdat, prune_unused_types_walk): Handle
2141         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2142         (modified_type_die, gen_reference_type_die): Emit
2143         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2144         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2145
2146 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2147
2148         PR target/43635
2149         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2150         calls for -fpic -m31 if they have been sibcall optimized.
2151
2152 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2153
2154         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2155         ar.lc fixed and call-used.
2156
2157         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2158
2159 2010-04-19  Jan Hubicka  <jh@suse.cz>
2160
2161         * opts.c (decode_options): Disable whpr incompatible passes.
2162         * lto/lto.c (lto_1_to_1_map): Skip clones.
2163         (read_cgraph_and_symbols): Do not mark everything as needed.
2164         (do_whole_program_analysis): Do map only after optimizing;
2165         set proper cgraph_state; use passmanager.
2166
2167 2010-04-19  DJ Delorie  <dj@redhat.com>
2168
2169         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2170         POINTER_PLUS_EXPR and fix them.
2171
2172 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2173
2174         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2175         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2176         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2177         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2178         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2179         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2180         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2181         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2182         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2183         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2184         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2185
2186 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2187
2188         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2189         (check_cond_move_block): Likewise.
2190         (cond_move_process_if_block): Likewise.
2191         (noce_find_if_block): Improve formatting.
2192         (find_if_header): Pass 0 to memset and tweak conditions.
2193         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2194
2195 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2196
2197         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2198         for -gdwarf-4.
2199
2200         PR middle-end/43337
2201         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2202         with non-local decl doesn't need chain.
2203
2204 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2205
2206         * ira-color.c (allocno_reload_assign): Avoid accumulating
2207         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2208
2209 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2210
2211         * gimple.h (create_tmp_reg): Declare.
2212         * gimplify.c (create_tmp_reg): New function.
2213         (gimplify_return_expr): Use create_tmp_reg.
2214         (gimplify_omp_atomic): Likewise.
2215         (gimple_regimplify_operands): Likewise.
2216         * tree-dfa.c (make_rename_temp): Likewise.
2217         * tree-predcom.c (predcom_tmp_var): Likewise.
2218         (reassociate_to_the_same_stmt): Likewise.
2219         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2220         (get_replaced_param_substitute): Likewise.
2221         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2222         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2223         * tree-ssa-pre.c (get_representative_for): Likewise.
2224         (create_expression_by_pieces): Likewise.
2225         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2226         (create_tailcall_accumulator): Likewise.
2227
2228 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2229
2230         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2231         new_stmt.
2232         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2233
2234 2010-04-19  Richard Guenther  <rguenther@suse.de>
2235
2236         PR tree-optimization/43796
2237         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2238         from SCEV in the lattice.
2239         (vrp_visit_phi_node): Dump change.
2240
2241 2010-04-19  Richard Guenther  <rguenther@suse.de>
2242
2243         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2244         * configure: Re-generated.
2245
2246 2010-04-19  Richard Guenther  <rguenther@suse.de>
2247
2248         PR tree-optimization/43783
2249         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2250         constant ARRAY_REF operands two and three if possible.
2251
2252 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2253
2254         PR target/43766
2255         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2256
2257 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2258
2259         PR target/43662
2260         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2261
2262 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2263
2264         PR tree-optimization/37027
2265         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2266         and macro to access it.
2267         (vectorizable_reduction): Add argument.
2268         (vect_get_slp_defs): Likewise.
2269         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2270         statements for possible use in SLP.
2271         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2272         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2273         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2274         add new argument.
2275         (vectorizable_reduction): Likewise.
2276         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2277         vect_get_slp_defs.
2278         (vectorizable_type_demotion, vectorizable_type_promotion,
2279         vectorizable_store): Likewise.
2280         (vect_analyze_stmt): Update call to vectorizable_reduction.
2281         (vect_transform_stmt): Likewise.
2282         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2283         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2284         from different interleaving chains in same node.
2285         (vect_slp_rearrange_stmts): New function.
2286         (vect_supported_load_permutation_p): Allow load permutations for
2287         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2288         inside SLP nodes if necessary.
2289         (vect_analyze_slp_instance): Handle reductions.
2290         (vect_analyze_slp): Try to build SLP instances originating from groups
2291         of reductions.
2292         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2293         (vect_get_constant_vectors): Create initial vectors for reductions
2294         according to reduction code. Add new argument.
2295         (vect_get_slp_defs): Add new argument, pass it to
2296         vect_get_constant_vectors.
2297         (vect_schedule_slp_instance): Remove SLP tree root statements.
2298
2299 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2300
2301         * tree.h (ENUM_IS_SCOPED): Define.
2302         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2303         for ENUM_IS_SCOPED enums.
2304
2305 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2306
2307         * fold-const.c (fold_comparison): Use ssizetype.
2308         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2309         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2310         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2311         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2312
2313         * tree.h (initialize_sizetypes): Remove parameter.
2314         (build_common_tree_nodes): Remove second parameter.
2315         * stor-layout.c (initialize_sizetypes): Remove parameter.
2316         Always create an unsigned type.
2317         (set_sizetype): Assert that the passed type is unsigned and simplify.
2318         * tree.c (build_common_tree_nodes): Remove second parameter.
2319         Adjust call to initialize_sizetypes.
2320         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2321         build_common_tree_nodes.
2322
2323 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2324
2325         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2326
2327 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2328
2329         PR tree-optimization/43771
2330         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2331         load permutation doesn't have gaps.
2332
2333 2010-04-18  Jan Hubicka  <jh@suse.cz>
2334
2335         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2336         (sse_prologue_save_insn expander): Use new pattern.
2337         (sse_prologue_save_insn1): New pattern and splitter.
2338         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2339         blocks.
2340         * i386.c (setup_incoming_varargs_64): Do not compute jump
2341         destination here.
2342         (ix86_gimplify_va_arg): Update alignment needed.
2343         (ix86_local_alignment): Do not align all local arrays to 128bit.
2344
2345 2010-04-17  Jan Hubicka  <jh@suse.cz>
2346
2347         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2348
2349 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2350
2351         * arm.md (negdi2): Remove redundant code to force values into a
2352         register.
2353
2354 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2355
2356         * arm/bpabi.S: Add EABI alignment attributes to objects.
2357         * arm/bpabi-v6m.S: Likewise.
2358         * arm/crti.asm: Likewise.
2359         * arm/crtn.asm: Likewise.
2360         * arm/lib1funcs.asm: Likewise.
2361         * arm/libunwind.S: Likewise.
2362
2363 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2364
2365         * arm-protos.h (tune_params): New structure.
2366         * arm.c (current_tune): New variable.
2367         (arm_constant_limit): Delete.
2368         (struct processors): Add pointer to the tune parameters.
2369         (arm_slowmul_tune): New tuning option.
2370         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2371         (all_cores): Adjust to pick up the tuning model.
2372         (arm_constant_limit): New function.
2373         (arm_override_options): Select the appropriate tuning model.  Delete
2374         initialization of arm_const_limit.
2375         (arm_split_constant): Use the new constant-limit model.
2376         (arm_rtx_costs): Pick up the current tuning model.
2377         * arm.md (is_strongarm, is_xscale): Delete.
2378         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2379         for Xscale variant architectures.
2380         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2381
2382 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2383
2384         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2385         can_shift.
2386         (arm_rtx_costs_1): Remove unused variable extra_cost.
2387         (arm_unwind_emit_set): Use variable offset.
2388         (thumb1_output_casesi): Remove unused variable flags.
2389
2390 2010-04-16  Jeff Law  <law@redhat.com>
2391
2392         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2393         needing assignment rather than doing a two-phase assignment.  Remove
2394         unused variable 'm'.
2395
2396 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2397
2398         PR bootstrap/43767
2399         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2400
2401 2010-04-16  Doug Kwan  <dougkwan@google.com>
2402
2403         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2404         (next_operand_entry_id): New static variable.
2405         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2406         (add_to_ops_vec): Assigned unique ID to operand entry.
2407         (struct oecount_s): New field ID.
2408         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2409         (undistribute_ops_list): Assign unique IDs to oecounts.
2410         (init_reassoc): reset next_operand_entry_id.
2411
2412 2010-04-16  Doug Kwan  <dougkwan@google.com>
2413
2414         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2415         missing left parenthesis.
2416
2417 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2418
2419         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2420         *btdi_rex64 using SWI48 mode iterator.
2421         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2422         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2423         *jcc_btdi_mask_rex64.
2424
2425 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2426
2427         * double-int.h (tree_to_double_int): Convert to macro.
2428         * double-int.c (tree_to_double_int): Remove.
2429
2430 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2431
2432         PR debug/43762
2433         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2434         with want_address 2 and in case a single element list might be
2435         possible, call it again with want_address 0.
2436
2437 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2438
2439         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2440         case 'W' print operands for HI mode.
2441         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2442         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2443         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2444         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2445
2446         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2447
2448         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2449         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2450         #xx:3 and #xx:4 mode.
2451
2452         * config/h8300/h8300.md (inverted load with HImode dest): Add
2453         support for H8300SX.
2454
2455         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2456         satisfy 'U' constraint.
2457
2458 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2459
2460         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2461         * configure: Regenerate.
2462         * config.in: Regenerate.
2463         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2464         works.
2465
2466 2010-04-16  Richard Guenther  <rguenther@suse.de>
2467
2468         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2469         (struct tree_decl_common): ... here.
2470         (DECL_PT_UID): Adjust.
2471         (SET_DECL_PT_UID): Likewise.
2472         (DECL_PT_UID_SET_P): Likewise.
2473
2474 2010-04-16  Richard Guenther  <rguenther@suse.de>
2475
2476         PR tree-optimization/43572
2477         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2478         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2479         * tree-flow.h (is_call_clobbered): Remove.
2480         * tree-flow-inline.h (is_call_clobbered): Likewise.
2481         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2482         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2483         (execute_return_slot_opt): Adjust.
2484         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2485         check for call clobbered vars here.
2486         (find_tail_calls): Move tailcall verification to the
2487         proper place.
2488
2489 2010-04-16  Diego Novillo  <dnovillo@google.com>
2490
2491         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2492
2493 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2494
2495         PR target/40603
2496         * config/arm/arm.md (cbranchqi4): New pattern.
2497         * config/arm/predicates.md (const0_operand,
2498         cbranchqi4_comparison_operator): New predicates.
2499
2500 2010-04-16  Richard Guenther  <rguenther@suse.de>
2501
2502         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2503         (dump_gimple_stmt): Likewise.
2504
2505 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2506
2507         * recog.h (struct recog_data): New field is_operator.
2508         (struct insn_operand_data): New field is_operator.
2509         * recog.c (extract_insn): Set recog_data.is_operator.
2510         * genoutput.c (output_operand_data): Emit code to set the
2511         is_operator field.
2512         * reload.c (find_reloads): Use it rather than testing for an
2513         empty constraint string.
2514
2515         PR target/41514
2516         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2517         If the previous insn is a cbranchsi4_insn with the same arguments,
2518         omit the compare instruction.
2519
2520         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2521         register, inputs must be low registers and we need a low register
2522         scratch.  Handle alternative 2 like alternative 3.
2523
2524 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2525
2526         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2527         don't call get_addr on both.  If one expression is a VALUE and
2528         the other a REG, check VALUE's locs if the REG isn't among them.
2529
2530 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2531
2532         * config/sh/sh.h (sh_frame_pointer_required): New function.
2533         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2534         (flag_omit_frame_pointer) Set.
2535         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2536         (rounded_frame_size): Adjust size with outgoing_args_size.
2537         (sh_set_return_address): Must return from stack pointer.
2538         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2539         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2540         (ACCUMULATE_OUTGOING_ARGS): Define.
2541         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2542         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2543
2544 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2545
2546         PR target/43471
2547         * config/sh/sh.c (sh_legitimize_reload_address): Use
2548         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2549         Remove a unneeded check for offset_base.
2550
2551 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2552
2553         * configure: Regenerated.
2554
2555 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2556
2557         * config/s390/s390.c (s390_call_save_register_used): Switch back
2558         to HARD_REGNO_NREGS.
2559
2560 2010-04-15  Richard Guenther  <rguenther@suse.de>
2561
2562         * alias.c (alias_set_subset_of): Handle alias-set zero
2563         child properly.
2564
2565 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2566             Julian Brown  <julian@codesourcery.com>
2567
2568         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2569         alternatives according to use of high and low regs.
2570         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2571         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2572         optimizing for size on Thumb-2.
2573
2574 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2575
2576         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2577
2578 2010-04-15  Richard Guenther  <rguenther@suse.de>
2579
2580         * tree-ssa-structalias.c (struct variable_info): Add
2581         is_fn_info flag.
2582         (new_var_info): Initialize it.
2583         (dump_constraints): Support printing last added constraints.
2584         (debug_constraints): Adjust.
2585         (dump_constraint_graph): Likewise.
2586         (make_heapvar_for): Check for NULL cfun.
2587         (get_function_part_constraint): New function.
2588         (get_fi_for_callee): Likewise.
2589         (find_func_aliases): Properly implement IPA PTA constraints.
2590         (process_ipa_clobber): New function.
2591         (find_func_clobbers): Likewise.
2592         (insert_into_field_list_sorted): Remove.
2593         (create_function_info_for): Properly allocate vars for IPA mode.
2594         Do not use insert_into_field_list_sorted.
2595         (create_variable_info_for): Properly generate constraints for
2596         global vars in IPA mode.
2597         (dump_solution_for_var): Always dump the solution.
2598         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2599         (find_what_var_points_to): Adjust.
2600         (pt_solution_set): Change.
2601         (pt_solution_ior_into): New function.
2602         (pt_solution_empty_p): Export.
2603         (pt_solution_includes_global): Adjust.
2604         (pt_solution_includes_1): Likewise.
2605         (pt_solutions_intersect_1): Likewise.
2606         (dump_sa_points_to_info): Check some invariants.
2607         (solve_constraints): Move constraint dumping ...
2608         (compute_points_to_sets): ... here.
2609         (ipa_pta_execute): ... and here.
2610         (compute_may_aliases): Do not re-compute points-to info
2611         locally if IPA info is available.
2612         (ipa_escaped_pt): New global var.
2613         (ipa_pta_execute): Properly implement IPA PTA.
2614         * tree-into-ssa.c (dump_decl_set): Support dumping
2615         decls not in referenced-vars.
2616         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2617         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2618         (dump_points_to_solution): Likewise.
2619         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2620         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2621         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2622         (copy_decl_to_var): Copy DECL_PT_UID.
2623         (copy_result_decl_to_var): Likewise.
2624         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2625         (copy_node_stat): Copy it.
2626         * tree.h (DECL_PT_UID): New macro.
2627         (SET_DECL_PT_UID): Likewise.
2628         (DECL_PT_UID_SET_P): Likewise.
2629         (struct tree_decl_minimal): Add pt_uid member.
2630         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2631         (pt_solution_empty_p): Declare.
2632         (pt_solution_set): Adjust.
2633         (ipa_escaped_pt): Declare.
2634         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2635         * gimple-pretty-print.c (pp_points_to_solution): New function.
2636         (dump_gimple_call): Dump call clobber/use information.
2637         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2638         * tree-pass.h (TDF_ALIAS): New dump option.
2639         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2640         * doc/invoke.texi (-fipa-pta): Update documentation.
2641
2642 2010-04-15  Richard Guenther  <rguenther@suse.de>
2643
2644         * Makefile.in (OBJS-common): Add gimple-fold.o.
2645         (gimple-fold.o): New rule.
2646         * tree.h (maybe_fold_offset_to_reference,
2647         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2648         prototypes ...
2649         * gimple.h: ... here.
2650         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2651         may_propagate_address_into_dereference): Move prototypes ...
2652         * gimple.h: ... here.
2653         * tree-ssa-ccp.c (get_symbol_constant_value,
2654         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2655         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2656         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2657         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2658         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2659         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2660         gimplify_and_update_call_from_tree): Move ...
2661         * gimple-fold.c: ... here.  New file.
2662         (ccp_fold_builtin): Rename to ...
2663         (gimple_fold_builtin): ... this.
2664         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2665
2666 2010-04-15  Richard Guenther  <rguenther@suse.de>
2667
2668         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2669         fit_double_type, force_fit_type_double, add_double_with_sign,
2670         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2671         lrotate_double, rrotate_double, div_and_round_double): Move ...
2672         * double-int.c: ... here.
2673         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2674         add_double, neg_double, mul_double_with_sign, mul_double,
2675         lshift_double, rshift_double, lrotate_double, rrotate_double,
2676         div_and_round_double): Move prototypes ...
2677         * double-int.h: ... here.
2678
2679 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2680
2681         PR target/43742
2682         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2683         matching constraints to ensure inputs match the output.
2684
2685 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2686
2687         PR target/43742
2688         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2689         in an input-only operand.
2690
2691 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2692
2693         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2694         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2695         (double_int_negative_p): Convert to static inline function.
2696         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2697         (double_int_negative_p): Remove.
2698         * tree.h (lshift_double, rshift_double):
2699         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2700         * fold-const.c (fold_convert_const_int_from_real,
2701         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2702         (lshift_double): Change type of arith argument to bool.
2703         (rshift_double): Change type of arith argument to bool. Correct
2704         comment.
2705         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2706
2707 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2708
2709         PR target/21803
2710         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2711         at the start and end of the then/else blocks, and omit them from the
2712         conversion.
2713         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2714         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2715         (flow_find_head_matching_sequence): New function.
2716         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2717         * basic-block.h (flow_find_cross_jump,
2718         flow_find_head_matching_sequence): Declare functions.
2719
2720 2010-04-14  Jason Merrill  <jason@redhat.com>
2721
2722         PR c++/36625
2723         * c-common.c (attribute_takes_identifier_p): New fn.
2724         * c-common.h: Declare it.
2725
2726 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2727
2728         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2729         splitter condition.
2730         (*udivmod<mode>4): Ditto.
2731
2732 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2733
2734         * config/i386/i386.md (maxmin_int): Rename code attribute from
2735         maxminiprefix and update all users.
2736         (maxmin_float): Ditto from maxminfprefix.
2737         (logic): Ditto from logicprefix.
2738         (absneg_mnemonic): Ditto from absnegprefix.
2739         * config/i386/mmx.md: Update all users of maxminiprefix,
2740         maxminfprefix and logicprefix for rename.
2741         * config/i386/sse.md: Ditto.
2742         * config/i386/sync.md (sync_<code><mode>): Update for
2743         logicprefix rename.
2744
2745 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2746
2747         PR 42966
2748         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2749         warnings converted to errors.
2750
2751 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2752
2753         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2754         used insn_type variable.
2755         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2756         to avoid set-but-not-used warning.
2757
2758 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2759
2760         * df-core.c (df_ref_debug): Change format string placeholder
2761         from 0x%x to %#x.
2762         * dwarf2asm.c (dw2_asm_output_data_raw,
2763         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2764         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2765         * dwarf2out.c (output_cfi, output_cfi_directive,
2766         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2767         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2768         Ditto.
2769         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2770         * print-rtl.c (print_rtx): Ditto.
2771
2772 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2773
2774         PR middle-end/42694
2775         * builtins.c (expand_builtin_pow_root): New function to expand pow
2776         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2777         series of sqrt and cbrt calls under -ffast-math.
2778         (expand_builtin_pow): Call it.
2779
2780 2010-04-14  Michael Matz  <matz@suse.de>
2781
2782         PR tree-optimization/42963
2783         * tree-cfg.c (touched_switch_bbs): New static variable.
2784         (group_case_labels_stmt): New function broken out from ...
2785         (group_case_labels): ... here, use the above.
2786         (start_recording_case_labels): Allocate touched_switch_bbs.
2787         (end_recording_case_labels): Deallocate it, call
2788         group_case_labels_stmt.
2789         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2790
2791 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2792
2793         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2794         from insn template.
2795
2796 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2797
2798         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2799
2800 2010-04-13  Jan Hubicka  <jh@suse.cz>
2801
2802         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2803         of optimized out static functions.
2804         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2805         cost computation.  Also sanity check for overflows.
2806         (update_caller_keys): Update cgraph_edge_badness call; properly
2807         update fibheap and sanity check that it is up to date.
2808         (add_new_edges_to_heap): Update cgraph_edge_badness.
2809         (cgraph_decide_inlining_of_small_function): Likewise;
2810         add sanity checking that badness in heap is up to date;
2811         improve dumping of reason; Update badness of calls to the
2812         offline copy of function currently inlined; dump badness
2813         of functions not inlined because of unit growth limits.
2814
2815 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2816
2817         PR middle-end/32628
2818         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2819         because of sign-extension change when converting to sizetype here...
2820         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2821
2822         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2823         the folding to constants.  Remove redundant final conversion.
2824         (fold_binary) <associate>: Do not associate if the re-association of
2825         constants alone overflows.
2826         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2827         to the end of the list.
2828         (multiple_of_p) <COND_EXPR>: New case.
2829
2830 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2831
2832         * opt-functions.awk (opt_sanitized_name): New.
2833         (opt_enum): New.
2834         * optc-gen.awk: Use it
2835         * opth-gen.awk: Use it.
2836
2837 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2838
2839         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2840         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2841         children.  Call replace_uses_with_default_def_ssa_name to handle
2842         SSA_NAES on lhs.
2843
2844 2010-04-13  Michael Matz  <matz@suse.de>
2845
2846         PR middle-end/43730
2847         * builtins.c (expand_builtin_interclass_mathfn): Also create
2848         a register if the predicate doesn't match.
2849
2850 2010-04-13  Diego Novillo  <dnovillo@google.com>
2851
2852         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2853         * c-pch.c: Include timevar.h.
2854         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2855         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2856         * ggc-common.c: Include timevar.h.
2857         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2858         * timevar.def (TV_PCH_SAVE): Define.
2859         (TV_PCH_CPP_SAVE): Define.
2860         (TV_PCH_PTR_REALLOC): Define.
2861         (TV_PCH_PTR_SORT): Define.
2862         (TV_PCH_RESTORE): Define.
2863         (TV_PCH_CPP_RESTORE): Define.
2864
2865 2010-04-13  Michael Matz  <matz@suse.de>
2866
2867         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2868         into MINUS_EXPRs.
2869         (can_reassociate_p): New function.
2870         (break_up_subtract_bb, reassociate_bb): Use it.
2871
2872 2010-04-13  Richard Guenther  <rguenther@suse.de>
2873
2874         PR bootstrap/43737
2875         * builtins.c (c_readstr): Fix assert.
2876
2877 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2878
2879         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2880         when generating cltd insn.
2881
2882         (*ashl<mode>3_1): Remove special handling for register operand 2.
2883         (*ashlsi3_1_zext): Ditto.
2884         (*ashlhi3_1): Ditto.
2885         (*ashlhi3_1_lea): Ditto.
2886         (*ashlqi3_1): Ditto.
2887         (*ashlqi3_1_lea): Ditto.
2888         (*<shiftrt_insn><mode>3_1): Ditto.
2889         (*<shiftrt_insn>si3_1_zext): Ditto.
2890         (*<shiftrt_insn>qi3_1_slp): Ditto.
2891         (*<rotate_insn><mode>3_1): Ditto.
2892         (*<rotate_insn>si3_1_zext): Ditto.
2893         (*<rotate_insn>qi3_1_slp): Ditto.
2894
2895 2010-04-13  Richard Guenther  <rguenther@suse.de>
2896
2897         * tree-ssa-structalias.c (callused_id): Remove.
2898         (call_stmt_vars): New.
2899         (get_call_vi): Likewise.
2900         (lookup_call_use_vi): Likewise.
2901         (lookup_call_clobber_vi): Likewise.
2902         (get_call_use_vi): Likewise.
2903         (get_call_clobber_vi): Likewise.
2904         (make_transitive_closure_constraints): Likewise.
2905         (handle_const_call): Adjust to do per-call call-used handling.
2906         (handle_pure_call): Likewise.
2907         (find_what_var_points_to): Remove general callused handling.
2908         (init_base_vars): Likewise.
2909         (init_alias_vars): Initialize call_stmt_vars.
2910         (compute_points_to_sets): Process call-used and call-clobbered
2911         vars for call statements.
2912         (delete_points_to_sets): Free call_stmt_vars.
2913
2914 2010-04-13  Richard Guenther  <rguenther@suse.de>
2915
2916         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2917         Only add RW dependence for dependence distance zero.
2918         Adjust maximal vectorization factor according to dependences.
2919         Move alignment handling ...
2920         (vect_find_same_alignment_drs): ... here.  New function.
2921         (vect_analyze_data_ref_dependences): Adjust.
2922         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2923         (vect_analyze_data_refs): Adjust minimal vectorization factor
2924         according to data references.
2925         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2926         dependences before determining the vectorization factor.
2927         Analyze alignment after determining the vectorization factor.
2928         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2929         dependences before alignment.
2930         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2931         Adjust prototype.
2932         (vect_analyze_data_refs): Likewise.
2933         (MAX_VECTORIZATION_FACTOR): New define.
2934
2935 2010-04-13  Duncan Sands  <baldrick@free.fr>
2936
2937         * except.h (lang_eh_type_covers): Remove.
2938         * except.c (lang_eh_type_covers): Likewise.
2939
2940 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2941             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2942
2943         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2944         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2945         UNITS_PER_LONG where it is ABI relevant.
2946         (s390_return_addr_rtx): Likewise.
2947         (s390_back_chain_rtx): Likewise.
2948         (s390_frame_area): Likewise.
2949         (s390_frame_info): Likewise.
2950         (s390_initial_elimination_offset): Likewise.
2951         (save_gprs): Likewise.
2952         (s390_emit_prologue): Likewise.
2953         (s390_emit_epilogue): Likewise.
2954         (s390_function_arg_advance): Likewise.
2955         (s390_function_arg): Likewise.
2956         (s390_va_start): Likewise.
2957         (s390_gimplify_va_arg): Likewise.
2958         (s390_function_profiler): Likewise.
2959         (s390_optimize_prologue): Likewise.
2960         (s390_rtx_costs): Likewise.
2961         (s390_secondary_reload): Likewise.
2962         (s390_promote_function_mode): Likewise.
2963         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2964         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2965         registers available.
2966         (s390_unwind_word_mode): New function.
2967         (s390_function_value): Split 64 bit values into register pair if
2968         used as return value.
2969         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2970         function call parameters.  Handle parallels.
2971         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2972         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2973         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2974         (s390_expand_setmem): Remove unused variable src_addr.
2975         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2976         deal with 64 bit registers.
2977         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2978         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2979         (UNITS_PER_LONG): New macro.
2980         * libjava/include/s390-signal.h: Define extended ucontext
2981         structure containing the upper halfs of the 64 bit registers.
2982
2983 2010-04-13  Simon Baldwin  <simonb@google.com>
2984
2985         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2986
2987 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2988
2989         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2990         rvalue on the RHS if the LHS is of a non-renamable type.
2991         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2992
2993 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2994
2995         * gcc.c (cc1_options): Handle -iplugindir before processing
2996         the cc1 spec. Only add -iplugindir once.
2997         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2998         found.
2999         * common.opt (iplugindir): Remove `Separate' property, initialize.
3000         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
3001         option.
3002         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
3003         (distclean): Remove plugin dir.
3004         * doc/invoke.texi: Document -iplugindir.
3005
3006 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
3007
3008         * doc/plugins.texi (Loading Plugins): Document short
3009         -fplugin=foo option.
3010         (Plugin API): Mention default_plugin_dir_name function.
3011
3012         * gcc.c (find_file_spec_function): Add new declaration.
3013         (static_spec_func): Use it for "find-file".
3014         (find_file_spec_function): Add new function.
3015         (cc1_options): Add -iplugindir option if -fplugin* options found.
3016
3017         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
3018
3019         * plugin.c (add_new_plugin): Updated comment, and handle short
3020         plugin name.
3021         (default_plugin_dir_name): Added new function.
3022
3023         * common.opt (iplugindir): New option to set the plugin directory.
3024
3025 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
3026
3027         * config/i386/i386.md (any_rotate): New code iterator.
3028         (rotate_insn): New code attribute.
3029         (rotate): Ditto.
3030         (SWIM124): New mode iterator.
3031         (<rotate_insn>ti3): New expander.
3032         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
3033         any_rotate code iterator.
3034         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
3035         using any_rotate code iterator and SWIM124 mode iterator.
3036         (ix86_rotlti3): New insn_and_split pattern.
3037         (ix86_rotrti3): Ditto.
3038         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
3039         ix86_rotl{di,ti}3 patterns.
3040         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
3041         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
3042         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
3043         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
3044         code iterator and SWI mode iterator.
3045         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
3046         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
3047         code iterator.
3048         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
3049         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
3050         (bswap rotatert splitter): Add splitter.
3051         (bswap splitter): Macroize splitter using any_rotate code iterator.
3052         Add insn predicate to split only for TARGET_USE_XCHGB or when
3053         optimizing function for size.
3054
3055 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3056
3057         * config/pa/pa.c (emit_move_sequence): Remove use of
3058         deleted variable flag_argument_noalias.
3059
3060 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3061
3062         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
3063         configurations.
3064         Add to unsupported targets list.
3065         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
3066         sparc*-sun-solaris2.[567]* from target lists.
3067         * configure: Regenerate.
3068         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
3069         removal.
3070         Remove Solaris 7 patch references.
3071         (Specific, sparc-sun-solaris2.7): Removed.
3072         (sparc-sun-solaris2*): Update Solaris 7 example.
3073         (sparc64-*-solaris2*): Likewise.
3074
3075 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3076
3077         * config.build (alpha*-dec-osf4*): Remove.
3078         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3079         of obsolete configurations.
3080         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3081         support.
3082         * config/alpha/t-osf4: Renamed to ...
3083         * config/alpha/t-osf5: ... this.
3084         * config/alpha/osf.h: Renamed to ...
3085         * config/alpha/osf5.h: ... this.
3086         Merged old osf5.h contents.
3087         Update comments.
3088         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3089         (EXTRA_SPECS): Removed.
3090         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3091         reflect removal of Tru64 UNIX V4.0/V5.0 support.
3092         Document that.
3093
3094 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3095
3096         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3097
3098 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3099
3100         PR/43702
3101         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3102         __thiscall convention.
3103
3104 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3105
3106         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3107         orig_base.
3108         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3109
3110 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3111
3112         * function.c (assign_parms_initialize_all): Add unused attribute
3113         to fntype.
3114
3115 2010-04-12  Richard Guenther  <rguenther@suse.de>
3116
3117         * gsstruct.def (GSS_CALL): New.
3118         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3119         * gimple.h: Include tree-ssa-alias.h.
3120         (struct gimple_statement_call): New.
3121         (union gimple_statement_struct_d): Add gimple_call member.
3122         (gimple_call_reset_alias_info): Declare.
3123         (gimple_call_use_set): New function.
3124         (gimple_call_clobber_set): Likewise.
3125         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3126         * gimple.c (gimple_call_reset_alias_info): New function.
3127         (gimple_build_call_1): Call it.
3128         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3129         * tree-inline.c (remap_gimple_stmt): Likewise.
3130         (expand_call_inline): Remove callused handling.
3131         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3132         * tree-dfa.c (dump_variable): Likewise.
3133         * tree-parloops.c (parallelize_loops): Likewise.
3134         * tree-ssa.c (init_tree_ssa): Likewise.
3135         (delete_tree_ssa): Likewise.
3136         * tree-flow-inline.h (is_call_used): Remove.
3137         * tree-flow.h (struct gimple_df): Remove callused member.
3138         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3139         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3140         (ref_maybe_used_by_call_p_1): Simplify.
3141         (call_may_clobber_ref_p_1): Likewise.
3142         * tree-ssa-structalias.c (compute_points_to_sets): Set
3143         the call stmt used and clobbered sets.
3144         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3145         (find_tail_calls): Verify the tail call.
3146
3147 2010-04-12  Richard Guenther  <rguenther@suse.de>
3148
3149         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3150         single-iteration always-inline inlining.
3151         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3152         (cgraph_decide_inlining): Do not handle always-inline specially.
3153         (try_inline): Remove always-inline cycle detection special case.
3154         Do not recurse on always-inlines.
3155         (cgraph_early_inlining): Do not iterate if not optimizing.
3156         (cgraph_gate_early_inlining): remove.
3157         (pass_early_inline): Run unconditionally.
3158         (gate_cgraph_decide_inlining): New function.
3159         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
3160         not inlining or optimizing.
3161         (cgraph_decide_inlining_of_small_functions): Also consider
3162         always-inline functions.
3163         (cgraph_default_inline_p): Return true for nodes which should
3164         disregard inline limits.
3165         (estimate_function_body_sizes): Assume zero size and time for
3166         nodes which are marked as disregarding inline limits.
3167         (cgraph_decide_recursive_inlining): Do not perform recursive
3168         inlining on always-inline nodes.
3169
3170 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
3171
3172         PR bootstrap/43699
3173         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3174         for exprs satisfying handled_component_p.
3175
3176 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
3177
3178         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3179         non-constant aggregate elements.
3180
3181         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3182         is a real initialization.
3183
3184 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
3185
3186         PR c/36774
3187         * c-decl.c (start_function): Move forward check for nested function.
3188
3189 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3190
3191         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3192         * config/sh/sh.c: Include reload.h.
3193         (sh_legitimize_reload_address): New.
3194         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3195         sh_legitimize_reload_address.
3196
3197 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3198
3199         * config/sh/sh.md (*movqi_pop): New insn pattern.
3200         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3201
3202 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3203
3204         * config/i386/i386.md (any_shiftrt): New code iterator.
3205         (shiftrt_insn): New code attribute.
3206         (shiftrt): Ditto.
3207         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3208         using any_shiftrt code iterator.
3209         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3210         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3211         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3212         pattern from corresponding peephole2 patterns.
3213         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3214         using any_shiftrt code iterator.
3215         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3216         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3217         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3218         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3219         *{ashr,lshr}<mode>3_cmp_zext.
3220         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3221
3222 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3223
3224         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3225         scratch register.
3226         (*lshr<mode>3_cconly): Ditto.
3227
3228 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3229
3230         * config/i386/i386.md (lshr<mode>3): Macroize expander from
3231         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3232         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3233         pattern from *lshr{di,ti}3_1 and corresponding splitters using
3234         DWI mode iterator.
3235         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3236         from corresponding peephole2 patterns.
3237         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3238         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3239         and *lshrdi3_1_rex64 using SWI mode iterator.
3240         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3241         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3242         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3243         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3244         and *lshrdi3_cmp_rex64 using SWI mode iterator.
3245         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3246         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3247         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3248         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3249         SWI mode iterator.
3250
3251 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
3252
3253         * config/i386/i386.md (ashr<mode>3): Macroize expander from
3254         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3255         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3256         pattern from *ashr{di,ti}3_1 and corresponding splitters using
3257         DWI mode iterator.
3258         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3259         from corresponding peephole2 patterns.
3260         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3261         (ashrsi3_cvt): Rename from ashrsi3_31.
3262         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3263         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3264         and x86_64_shift_adj_3 using SWI48 mode iterator.
3265         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3266         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3267         and *ashrdi3_1_rex64 using SWI mode iterator.
3268         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3269         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3270         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3271         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3272         and *ashrdi3_cmp_rex64 using SWI mode iterator.
3273         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3274         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3275         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3276         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3277         SWI mode iterator.
3278         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3279         * config/i386/i386.c (ix86_split_ashr): Update for renamed
3280         x86_shift<mode>_adj_3 expanders.
3281
3282 2010-04-10  Wei Guozhi  <carrot@google.com>
3283
3284         PR target/42601
3285         * config/arm/arm.c (arm_pic_static_addr): New function.
3286         (legitimize_pic_address): Call arm_pic_static_addr when it detects
3287         a static symbol.
3288         (arm_output_addr_const_extra): Output expression for new pattern.
3289         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3290
3291 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
3292
3293         * ira-costs.c (record_reg_classes): Ignore alternatives that are
3294         not enabled.
3295
3296         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3297         * web.c: Include "insn-config.h" and "recog.h".
3298         (union_match_dups): New function.
3299         (web_main): Call it.
3300         (union_defs): Don't try to recognize match_dups.
3301
3302         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3303         if doing so would replace the entire pattern.
3304
3305 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3306
3307         PR target/43707
3308         PR target/43709
3309         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3310         and splitter pattern.  Change splitter operand 1 predicate to
3311         nonmemory_operand.
3312
3313 2010-04-09  Martin Jambor  <mjambor@suse.cz>
3314
3315         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3316         lattices are addresses of CONST_DECLs with the same initial value.
3317         (ipcp_print_all_lattices): Print values of CONST_DECLs.
3318         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3319
3320 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
3321             Bernd Schmidt  <bernds@codesourcery.com>
3322
3323         * loop-invariant.c (replace_uses): New static function.
3324         (move_invariant_reg): Use it to ensure we can replace the uses.
3325
3326 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
3327
3328         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3329         function template.
3330         (picochip_override_options): Enable section anchors only above -O1.
3331         (picochip_reorg): Fixed a couple of build warnings.
3332
3333 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3334
3335         * configure.ac (plugin -rdynamic test): Log result.
3336         * configure: Regenerate.
3337         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3338         (RDYNAMIC_SPEC): Define.
3339         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3340
3341 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3342
3343         * configure.ac: Determine Sun ld version numbers.
3344         (comdat_group): Restrict GNU ld version checks to gld.
3345         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3346         (enable_comdat): Support --enable-comdat.
3347         * configure: Regenerate.
3348         * doc/install.texi (Configuration): Document --enable-comdat.
3349
3350 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3351
3352         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
3353         * config/sol2-gld.h: ... here.
3354         * config.gcc (sparc*-*-solaris2*): Reflect this.
3355         (i[34567]86-*-solaris2*): Use it.
3356
3357 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
3358
3359         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3360         setup_clocks_p.
3361         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3362
3363 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3364
3365         PR 42965
3366         * diagnostic.c (diagnostic_initialize): Initialize
3367         some_warnings_are_errors.
3368         (diagnostic_finish): New.
3369         (diagnostic_action_after_output): Call it before exiting.
3370         (diagnostic_report_diagnostic): Do not print message here. Set
3371         some_warnings_are_errors.
3372         * diagnostic.h (diagnostic_context): Delete
3373         issue_warnings_are_errors_message. Add some_warnings_are_errors.
3374         (diagnostic_finish): Declare.
3375         * toplev.c (toplev_main): Call it before exit.
3376
3377 2010-04-09  Jason Merrill  <jason@redhat.com>
3378
3379         PR c++/42623
3380         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3381         for incomplete type.
3382
3383         PR c++/41788
3384         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3385         based on a warning flag.
3386
3387 2010-04-09  Richard Guenther  <rguenther@suse.de>
3388
3389         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3390
3391 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
3392
3393         PR bootstrap/43684
3394         * varasm.c (default_assemble_visibility): Wrap vars that are
3395         set, but unused, by targets without GAS.
3396         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3397         Remove set, but unused, vars.
3398         (rs6000_legitimize_tls_address): Likewise.
3399         (altivec_expand_dst_builtin): Likewise.
3400         * config/darwin.c (machopic_classify_symbol): Likewise.
3401         (machopic_indirection_name): Likewise.
3402
3403 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3404
3405         * config/i386/i386.md (DWI): New mode iterator.
3406         (S): New mode attribute.
3407         (shift_operand): Ditto.
3408         (shift_immediate_operand): Ditto.
3409         (ashl_input_operand): Ditto.
3410         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3411         using SDWIM mode iterator.
3412         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3413         pattern from *ashl{di,ti}3_1 and corresponding splitters using
3414         DWI mode iterator.
3415         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3416         from corresponding peephole2 patterns.
3417         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3418         and x86_64_shift_adj_1 using SWI48 mode iterator.
3419         (x86_shift<mode>_adj_2): Ditto.
3420         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3421         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3422         using SWI48 mode iterator.
3423         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3424         *ashldi3_cmp_rex6