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Account for loop unrolling in the insn-to-prefetch ratio heuristic.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
2
3         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
4         Account for loop unrolling in the insn-to-prefetch ratio heuristic.
5         (loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
6         the unroll_factor.
7
8 2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>
9
10         * tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
11         a diagnostic info when the insn-to-mem ratio is too small.
12
13 2010-05-07  Richard Guenther <rguenther@suse.de>
14
15         * gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
16         the linker plugin.
17         (store_arg): Queue temp_filename for deletion instead of
18         the whole argument.
19
20 2010-05-07  Richard Guenther  <rguenther@suse.de>
21
22         * lto-wrapper.c (DUMPBASE_SUFFIX): Define.
23         (run_gcc): Handle LTRANS phase invocation.
24         * collect2.c (maybe_run_lto_and_relink): Do not set
25         WPA_SAVE_LTRANS.
26
27 2010-05-07  Jakub Jelinek  <jakub@redhat.com>
28
29         * tree.h (TREE_ADDRESSABLE): Adjust comment to say that
30         this is also meaningful on PARM_DECLs and RESULT_DECLs.
31
32 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
33
34         * config/mips/iris6.h (LINK_SPEC): Don't pass -init, -fini with -r.
35
36 2010-05-07  Richard Guenther  <rguenther@suse.de>
37
38         PR tree-optimization/44020
39         * tree-ssa-pre.c (execute_pre): Do not remove dead inserted
40         code when PRE is not yet initialized.
41
42 2010-05-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
43
44         * config/mips/dbxmdebug.h: Remove.
45         * config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.
46
47 2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>
48
49         * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
50         with null pointer and also warn about ordered comparison of zero with
51         pointer if -Wextra.
52
53 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
54
55         * graphite-blocking.c
56         (pbb_strip_mine_profitable_p): Replace Value with mpz_t.
57         * graphite-clast-to-gimple.c
58         (clast_to_gcc_expression): Same.
59         (precision_for_value): Same.
60         (precision_for_interval): Same.
61         (gcc_type_for_interval): Same.
62         (graphite_create_new_guard): Same.
63         (compute_bounds_for_level): Same.
64         (graphite_create_new_loop_guard): Same.
65         * graphite-interchange.c
66         (build_linearized_memory_access): Same.
67         (pdr_stride_in_loop): Same.
68         (memory_strides_in_loop_1): Same.
69         (memory_strides_in_loop): Same.
70         (extend_scattering): Same.
71         (psct_scattering_dim_for_loop_depth): Same.
72         (pbb_number_of_iterations): Same.
73         * graphite-poly.h
74         (debug_iteration_domains): Same.
75         * graphite-ppl.c
76         (new_Cloog_Domain_from_ppl_Pointset_Powerset): Same.
77         (ppl_set_inhomogeneous_gmp): Same.
78         (ppl_strip_loop): Same.
79         (ppl_lexico_compare_linear_expressions): Same.
80         (ppl_read_polyhedron_matrix): Same.
81         (ppl_max_for_le_pointset): Same.
82         * graphite-ppl.h
83         (ppl_read_polyhedron_matrix): Same.
84         (tree_int_to_gmp): Same.
85         (gmp_cst_to_tree): Same.
86         (ppl_set_inhomogeneous): Same.
87         (ppl_set_inhomogeneous_tree): Same.
88         (ppl_set_coef): Same.
89         (ppl_set_coef_tree): Same.
90         * graphite-sese-to-poly.c
91         (build_pbb_scattering_polyhedrons): Same.
92         (build_scop_scattering): Same.
93         (scan_tree_for_params_right_scev): Same.
94         (scan_tree_for_params): Same.
95         (find_params_in_bb): Same.
96         (find_scop_parameters): Same.
97         (add_upper_bounds_from_estimated_nit): Same.
98         (build_loop_iteration_domains): Same.
99         (add_condition_to_domain): Same.
100         (pdr_add_memory_accesses): Same.
101
102 2010-05-05  Andreas Simbuerger  <simbuerg@fim.uni-passau.de>
103
104         * graphite-blocking.c (pbb_strip_mine_profitable_p): Resolve
105         CLooG's value_* macros to their respective mpz_* counterparts.
106         * graphite-clast-to-gimple.c (clast_to_gcc_expression): Same.
107         (graphite_create_new_loop_guard): Same.
108         * graphite-interchange.c (build_linearized_memory_access): Same.
109         (pdr_stride_in_loop): Same.
110         (memory_strides_in_loop_1): Same.
111         (1st_interchange_profitable_p): Same.
112         * graphite-poly.c (extend_scattering): Same.
113         (psct_scattering_dim_for_loop_depth): Same.
114         (pbb_number_of_iterations): Same.
115         (pbb_number_of_iterations_at_time): Same.
116         * graphite-poly.h (new_1st_loop): Same.
117         * graphite-ppl.c (cloog_matrix_to_ppl_constraint): Same.
118         (oppose_constraint): Same.
119         (insert_constraint_into_matrix): Same.
120         (ppl_set_inhomogeneous_gmp): Same.
121         (ppl_set_coef_gmp): Same.
122         (ppl_strip_loop): Same.
123         (ppl_lexico_compare_linear_expressions): Same.
124         (ppl_max_for_le_pointset): Same.
125         (ppl_min_for_le_pointset): Same.
126         (ppl_build_realtion): Same.
127         * graphite-ppl.h (gmp_cst_to_tree): Same.
128         (ppl_set_inhomogeneous): Same.
129         (ppl_set_inhomogeneous_tree): Same.
130         (ppl_set_coef): Same.
131         (ppl_set_coef_tree): Same.
132         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): Same.
133         (build_scop_scattering): Same.
134         (add_value_to_dim): Same.
135         (scan_tree_for_params_right_scev): Same.
136         (scan_tree_for_params_int): Same.
137         (scan_tree_for_params): Same.
138         (find_params_in_bb): Same.
139         (find_scop_parameters): Same.
140         (add_upper_bounds_from_estimated_nit): Same.
141         (build_loop_iteration_domains): Same.
142         (create_linear_expr_from_tree): Same.
143         (add_condition_to_domain): Same.
144         (pdr_add_memory_accesses): Same.
145
146 2010-05-06  Magnus Fromreide  <magfr@lysator.liu.se>
147             Jason Merrill  <jason@redhat.com>
148
149         * c-common.c (c_common_reswords): Add nullptr.
150         * c-common.h: Add RID_NULLPTR.  Reorganize C++0x rids.
151         * dwarf2out.c (is_base_type): Handle NULLPTR_TYPE.
152         (gen_type_die_with_usage): Likewise.
153         * dbxout.c (dbxout_type): Likewise.
154         * sdbout.c (plain_type_1): Likewise.
155
156 2010-05-06  Jason Merrill  <jason@redhat.com>
157
158         * gimplify.c (gimplify_expr): Set GS_ALL_DONE when appropriate.
159         Don't change GS_OK to GS_ALL_DONE.  Make sure that all cases set
160         ret appropriately.
161         (gimplify_compound_lval): Return GS_ALL_DONE as appropriate.
162
163         * gimplify.c (gimplify_modify_expr_rhs): Don't return GS_OK for
164         stripping WITH_SIZE_EXPR.
165         (gimplify_expr) [MODIFY_EXPR]: Trust GS_OK even if the rhs didn't
166         change.
167
168 2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
169
170         * config.gcc: Removed mips-sgi-irix5*, mips-sgi-irix6.[0-4]* from
171         list of obsolete configurations.
172         Disabled check for obsolete configurations.
173         (mips-sgi-irix[56]*): Restrict to mips-sgi-irix6.5*.
174         Removed support for previous versions.
175         * config/mips/iris.h: Removed.
176         * config/mips/iris5.h: Removed.
177         * config/mips/iris6.h: Merged old iris.h contents.
178         (TARGET_IRIX): Removed.
179         (DRIVER_SELF_SPECS): Removed mabi=32.
180         (IDENT_ASM_OP): Removed undef.
181         (STARTFILE_SPEC): Removed mabi=32.
182         (ENDFILE_SPEC): Likewise.
183         (IRIX_SUBTARGET_LINK_SPEC): Likewise.
184         (MACHINE_TYPE): Update for IRIX 6.5.
185         * config/mips/mips.c (mips_build_builtin_va_list): Replaced
186         TARGET_IRIX by TARGET_IRIX6.
187         (mips_file_start): Likewise.
188         (mips_output_external): Remove IRIX 5/6 O32 support.
189         (mips_output_function_prologue): Likewise.
190         * config/mips/mips.h (TARGET_GPWORD): Replaced TARGET_IRIX by
191         TARGET_IRIX6.
192         (TARGET_CPU_CPP_BUILTINS): Likewise.
193         (TARGET_IRIX): Removed.
194         * config/mips/t-iris6 (MULTILIB_OPTIONS): Removed mabi=32.
195         (MULTILIB_DIRNAMES): Removed 32.
196         (MULTILIB_OSDIRNAMES): Removed ../lib.
197         * doc/install.texi (Prerequisites): Don't reference IRIX before
198         6.5.
199         (Specific, mips-sgi-irix5): Document removal.
200         (Specific, mips-sgi-irix6): Document IRIX 6.[0-4] and O32 ABI
201         removal.
202         Remove references to older IRIX 6 releases and the O32 ABI.
203
204 2010-05-06  Jakub Jelinek  <jakub@redhat.com>
205
206         * gcc.dg/Wunused-var-8.c: Move to...
207         * c-c++-common/Wunused-var-6.c: ... here.  New test.
208
209         PR bootstrap/43994
210         * df-problems.c (dead_debug_insert_before): Use *DF_REF_REAL_LOC
211         instead of DF_REF_REAL_REG.
212
213 2010-05-06  Dave Korn  <dave.korn.cygwin@gmail.com>
214
215         PR target/43888
216         * config/i386/winnt.c (i386_pe_binds_local_p): Tweak weak symbol
217         handling to still return true for x64 targets.
218
219 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
220
221         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
222
223 2010-05-06  Jan Hubicka  <jh@suse.cz>
224
225         PR tree-optimization/43791
226         * ipa-inline.c (update_caller_keys): Remove bogus
227         disregard_inline_limits check.
228
229 2010-05-06  Michael Matz  <matz@suse.de>
230
231         PR tree-optimization/43984
232         * tree-ssa-pre.c (inserted_phi_names): Remove.
233         (inserted_exprs): Change to bitmap.
234         (create_expression_by_pieces): Set bits, don't append to vector.
235         (insert_into_preds_of_block): Don't handle inserted_phi_names.
236         (eliminate): Don't look at inserted_phi_names, remove deleted
237         insns from inserted_exprs.
238         (remove_dead_inserted_code): Adjust to use bitmaps instead of
239         vectors.
240         (init_pre, fini_pre): Allocate and free bitmaps.
241         (execute_pre): Insert insns on edges before elimination.
242
243 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
244
245         * tree.c (initializer_zerop): Handle STRING_CST.
246
247 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
248
249         PR 40989
250         * doc/invoke.texi (Wimplicit): Document as C only.
251         * opts.c (common_handle_option): Add argument kind.
252         (handle_option): Rename as read_cmdline_option. Factor out code to...
253         (handle_option): ... here. New.
254         (handle_options): Rename as read_cmdline_options.
255         (decode_options): Update call.
256         (set_option): Use option index instead of option pointer. Classify
257         diagnostics correctly.
258         (enable_warning_as_error): Call handle_option.
259         * opts.h (set_option): Update declaration.
260         (handle_option): Declare.
261         * langhooks.h (struct lang_hooks): Add argument kind to
262         handle_option.
263         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
264         * c-opts.c (set_Wimplicit): Delete.
265         (c_family_lang_mask): New static constant.
266         (c_common_handle_option): Add argument kind. Use handle_option
267         instead of set_Wimplicit.
268         (c_common_post_options): warn_implicit and warn_implicit_int
269         are disabled by default.
270         * c-common.c (warn_implicit): Do not define here.
271         * c-common.h (warn_implicit): Do not declare here.
272         (c_common_handle_option): Update declaration.
273         * lto-opts.c (lto_reissue_options): Update call to set_option.
274
275 2010-05-06  Richard Guenther  <rguenther@suse.de>
276
277         PR tree-optimization/43571
278         * domwalk.c (walk_dominator_tree): Walk the dominator
279         sons in more optimal order.
280
281 2010-05-06  Richard Guenther  <rguenther@suse.de>
282
283         PR tree-optimization/43934
284         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
285         (stmt_cost): Likewise.
286         (extract_true_false_args_from_phi): New helper.
287         (determine_max_movement): For PHI nodes verify we can hoist them
288         and compute their cost.
289         (determine_invariantness_stmt): Handle PHI nodes.
290         (move_computations_stmt): Likewise.  Hoist PHI nodes in
291         if-converted form using COND_EXPRs.
292         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI
293         nodes.
294         (tree_ssa_lim): Likewise.
295         * tree-flow.h (tree_ssa_lim): Adjust prototype.
296         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
297
298 2010-05-06  Richard Guenther  <rguenther@suse.de>
299
300         PR tree-optimization/43987
301         * tree-ssa-structalias.c (could_have_pointers): For possibly
302         address-taken variables force pointers to be recorded.
303         (create_variable_info_for_1): Likewise.
304         (push_fields_onto_fieldstack): Pass in wheter all fields
305         must have pointers.
306         (find_func_aliases): Query types instead of vars whether
307         they contain pointers where appropriate.
308
309 2010-05-06  Jan Hubicka  <jh@suse.cz>
310
311         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
312         (record_reference, mark_address, mark_load, mark_store): Record
313         references.
314         (record_references_in_initializer): Update call of record_references.
315         (rebuild_cgraph_edges): Remove all references before rebuiding.
316         * cgraph.c (cgraph_create_node): Clear ref list.
317         (cgraph_remove_node): Remove references.
318         (dump_cgraph_node): Dump references.
319         (cgraph_clone_node): Clone references.
320         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
321         (struct cgraph_node, varpool_node): Add ref_lst.
322         * ipa-ref.c: New file.
323         * ipa-ref.h: New file.
324         * ipa-ref-inline.h: New file.
325         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
326         (referenced_from_other_partition_p): New function.
327         (lto_output_varpool_node): Take set arugment; call
328         referenced_from_other_partition.
329         (lto_output_ref): New.
330         (add_references): New.
331         (output_refs): New.
332         (output_cgraph): Compute boundary based on references;
333         output refs.
334         (output_varpool): Accept cgraph_node_set argument.
335         (input_ref): New.
336         (input_refs): New.
337         (input_cgraph): Call input_refs.
338         * lto-section-in.c (lto_section_name): Add refs.
339         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
340         (ipa-ref.o): New file.
341         * varpool.c (varpool_node): Clear ipa ref list.
342         (varpool_remove_node): Remove references.
343         (dump_varpool_node): Dump references.
344         (varpool_assemble_decl): Only compile finalized ones.
345         (varpool_extra_name_alias): Initialize ref list.
346         * lto-streamer.c (lto-get_section_name): Add .refs section.
347         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
348         (referenced_from_other_partition_p): Declared.
349
350 2010-05-06  Ira Rosen  <irar@il.ibm.com>
351
352         PR tree-optimization/43901
353         * tree-vect-stmts.c (vectorizable_call): Assert that vector
354         type is not NULL if it's transformation phase, and return
355         FALSE if it's analysis.
356         (vectorizable_conversion, vectorizable_operation, 
357         vectorizable_type_demotion, vectorizable_type_promotion):
358         Likewise.
359
360 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
361
362         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
363         Delete.
364         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
365         New define.
366         * config/mips/mips-protos.h
367         (mips_small_register_classes_for_mode_p): Delete prototype.
368
369 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
370
371         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
372         * config/arm/arm.c (multiple_operation_profitable_p,
373         compute_offset_order): New static functions.
374         (load_multiple_sequence, store_multiple_sequence): Use them.
375         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
376         memory offsets, not register numbers.
377         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
378
379 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
380
381         * stor-layout.c (pending_sizes): Change the type to
382         VEC(tree,gc) *.
383         (get_pending_sizes, put_pending_size, put_pending_sizes):
384         Update the uses of pending_sizes.
385         * c-decl.c (store_parm_decls): Likewise.
386         * c-tree.h (struct c_arg_info): Likewise.
387         * tree.h: Update the prototype for get_pending_sizes and
388         put_pending_sizes.
389
390 2010-05-05  Jason Merrill  <jason@redhat.com>
391
392         PR debug/43370
393         * c-common.c (handle_aligned_attribute): Respect
394         ATTR_FLAG_TYPE_IN_PLACE.
395
396         PR testsuite/43758
397         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
398         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
399         (TARGET_INITIALIZER): Use it.
400         * c-common.c (attribute_takes_identifier_p): Call it.
401         * c-common.h: Update prototype.
402         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
403         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
404
405 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
406
407         PR debug/43950
408         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
409         DW_ID_down_case for Fortran compilation units.
410
411 2010-05-05  Jan Hubicka  <jh@suse.cz>
412
413         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
414         handle aliases.
415
416 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
417
418         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
419         a variable-sized RESULT_DECL.
420
421 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
422
423         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
424
425 2010-05-05  Jason Merrill  <jason@redhat.com>
426
427         PR c++/43787
428         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
429         returns GS_OK.
430         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
431
432 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
433             Jakub Jelinek  <jakub@redhat.com>
434
435         PR debug/43478
436         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
437         (dead_debug_init, dead_debug_finish): New functions.
438         (dead_debug_add, dead_debug_insert_before): Likewise.
439         (df_note_bb_compute): Initialize a dead_debug object, add dead
440         debug uses to it, insert debug bind insns before death insns,
441         reset debug insns that refer to pending uses at the end.
442         * rtl.h (make_debug_expr_from_rtl): New prototype.
443         * varasm.c (make_debug_expr_from_rtl): New function.
444
445 2010-05-05  Jan Hubicka  <jh@suse.cz>
446
447         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
448         (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
449         lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
450         lto_varpool_encoder_encode_initializer_p,
451         lto_set_varpool_encoder_encode_initializer): New functions.
452         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
453         call output_varpool.
454         (input_varpool_node): Do not always set analyzed.
455         (input_cgraph_1): Return vector of cgraph nodes.
456         (input_varpool_1): Return vector of varpools.
457         (input_cgraph): Free the vectors.
458         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
459         output only initializers needed.
460         (lto_output): Only call output_cgraph.
461         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
462         * lto-section-out.c (lto_new_out_decl_state): Initialize
463         state->varpool_node_encoder.
464         * lto-streamer.h (lto_varpool_encoder_d): New.
465         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.     
466         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
467         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
468         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
469         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
470         Declare.
471         (output_varpool, input_varpool): Remove declarations.
472
473 2010-05-05  Jan Hubicka  <jh@suse.cz>
474
475         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
476         with body can prevail.
477
478 2010-05-05  Jan Hubicka  <jh@suse.cz>
479
480         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
481         size.
482
483 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
484
485         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
486         dependencies.
487
488         * gengtype.h (erro_at_line): Constify pos argument.
489
490         * gengtype.c: Include hashtab.h.
491         (enum gc_used): Document GC_MAYBE_POINTED_TO.
492         (error_at_line): Constify pos argument.
493         (do_typedef): Initialize p->opt field.
494         (get_file_gtfilename): Fix comment typo.
495         (struct walk_type_data): Constify line field.
496         (get_output_file_for_structure): New function.
497         (write_local_func_for_structure): Constify orig_s argument.
498         Use get_output_file_for_structure.
499         (write_func_for_structure): Use get_output_file_for_structure.
500         (INDENT): New define.
501         (dump_pair, dump_type, dump_type_list, dump_typekind)
502         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
503         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
504         functions.
505         (seen_types): New variable.
506         (main): New variable do_dump.  Process "-d" command line option.
507         Call dump_everything if dump requested.
508
509 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
510
511         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
512         in a temporary instead of invoking the macro multiple times.
513         (track_expr_p): Likewise.
514
515 2010-05-04  Neil Vachharajani <nvachhar@google.com>
516
517         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
518         per new semantics.
519         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
520         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
521         conditions for printing notes.
522         * common.opt (-Wcoverage-mismatch): Allow negative, default to
523         true, update documentation.
524         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
525
526 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
527
528         PR c/43981
529         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
530         on dimen.
531
532 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
533
534         PR target/43799
535         * config/i386/i386.md (sse_prologue_save): Add clobber CC
536         register.
537         (*sse_prologue_save_insn1): Likewise.
538         (SSE prologue save splitter): Likewise.
539
540 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
541
542         * tree.c (free_lang_data_in_one_sizepos): New inline function.
543         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
544         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
545         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
546         all decls.  Call it on DECL_FIELD_OFFSET of fields.
547         (find_decls_types_r): Follow DECL_VALUE_EXPR.
548         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
549
550 2010-05-04  Martin Jambor  <mjambor@suse.cz>
551
552         * tree-sra.c (build_access_from_expr_1): The first parameter type
553         changed to simple tree.
554         (build_access_from_expr): Likewise, gsi parameter was eliminated.
555         (scan_assign_result): Renamed to assignment_mod_result, enum elements
556         renamed as well.
557         (build_accesses_from_assign): Removed all parameters except for a
558         simple gimple statement.  Now returns a simple bool.
559         (scan_function): All non-analysis parts moved to separate functions
560         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
561         parameters and updated both callers.
562         (sra_modify_expr): Removed parameter data.
563         (sra_modify_function_body): New function.
564         (perform_intra_sra): Call sra_modify_function_body to modify the
565         function body.
566         (replace_removed_params_ssa_names): Parameter data changed into
567         adjustments vector.
568         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
569         changed the parameter dont_convert to convert with the opposite
570         meaning.
571         (sra_ipa_modify_assign): Parameter data changed into adjustments
572         vector, return value changed to bool.
573         (ipa_sra_modify_function_body): New function.
574         (sra_ipa_reset_debug_stmts): Updated a comment.
575         (modify_function): Use ipa_sra_modify_function_body to modify function
576         body.
577
578 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
579
580         PR middle-end/43671
581         * alias.c (true_dependence): Handle the same VALUE in x and mem.
582         (canon_true_dependence): Likewise.
583         (write_dependence_p): Likewise.
584
585 2010-05-04  Jan Hubicka  <jh@suse.cz>
586
587         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
588         * cgraphbuild.c: Include ipa-utils.h
589         (record_reference_ctx): New struct.
590         (record_reference): Simplify to work on initializers; not statements.
591         (mark_address, mark_load, mark_store): New.
592         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
593         walk PHI nodes too.
594         (record_references_in_initializer): Update use of record_reference.
595         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
596         walk PHI nodes too.
597
598 2010-05-04  Jan Hubicka  <jh@suse.cz>
599
600         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
601         node will be removed anyway.
602         (lto_varpool_replace_node): Allow also unanalyzed nodes;
603         relink aliases of node into prevailing node.
604         * varpool.c (varpool_remove_node): Remove aliases properly;
605         when removing node, remove all its aliases too; remove DECL_INITIAL
606         of removed node; ggc_free the varpool node.
607
608 2010-05-04  Richard Guenther  <rguenther@suse.de>
609
610         PR tree-optimization/43879
611         * tree-ssa-structalias.c (alias_get_name): Use
612         DECL_ASSEMBLER_NAME if available.
613         (create_function_info_for): Return the varinfo node.
614         (ipa_pta_execute): Associate same-body aliases and extra names
615         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
616
617 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
618
619         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
620         static.
621
622 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
623
624         PR bootstrap/43964
625         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
626         only if HONOR_REG_ALLOC_ORDER is not defined.
627
628 2010-05-04  Richard Guenther  <rguenther@suse.de>
629
630         PR tree-optimization/43949
631         * tree-vrp.c (extract_range_from_binary_expr): Only handle
632         TRUNC_MOD_EXPR.
633
634 2010-04-26  Jason Merrill  <jason@redhat.com>
635
636         * c.opt (-fstrict-enums): New.
637         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
638
639 2010-05-03  David Ung <davidu@mips.com>
640             James E. Wilson  <wilson@codesourcery.com>
641
642         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
643         emit the trap instruction before the divide for TUNE_74K.
644
645 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
646
647         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
648         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
649         based on the above, for new target hook.
650
651         * hooks.c (hook_bool_mode_true): New generic hook.
652         * hooks.h (hook_bool_mode_true): Add prototype.
653
654         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
655         target hook.
656         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
657         target hook, set to hook_bool_mode_false.
658         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
659         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
660         with targetm.small_register_classes_for_mode_p.
661         (find_reusable_reload): Likewise.
662         (combine_reloads): Likewise.
663         * reload1.c (reload_as_needed): Likewise.
664         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
665         * ifcvt.c (noce_process_if_block, check_cond_move_block,
666         dead_or_predicable): Likewise.
667         * regmove.c (optimize_reg_copy_1): Likewise.
668         * calls.c (prepare_call_address): Likewise.
669         (precompute_register_parameters): Likewise.
670
671         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
672         hook definition.
673         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
674         implementation of the hook that considers all register classes
675         small except for SH64.
676         (sh_override_options): Use the new hook.
677         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
678         Add prototype.
679
680         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
681         hook definition.
682         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
683         implementation of the hook that considers all register classes
684         small for THUMB1.
685         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
686         Add prototype.
687
688         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
689         hook definition.
690         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
691         implementation of the hook that considers all register classes
692         small for MIPS16.
693         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
694         Add prototype.
695
696         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
697         hook definition.
698         * config/m32c/m32c.h: Likewise.
699         * config/pdp11/pdp11.h: Likewise.
700         * config/avr/avr.h: Likewise.
701         * config/xtensa/xtensa.h: Likewise.
702         * config/m68hc11/m68hc11.h: Likewise.
703         * config/mn10300/mn10300.h: Likewise.
704         * config/mcore/mcore.h: Likewise.
705         * config/h8300/h8300.h: Likewise.
706         * config/bfin/bfin.h: Likewise.
707
708         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
709         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
710
711 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
712
713         * double-int.h (tree_to_double_int): Remove macro.
714         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
715         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
716         (tree_to_double_int): New function.
717         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
718         Move ...
719         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
720
721 2010-05-03  Richard Guenther  <rguenther@suse.de>
722
723         PR tree-optimization/43971
724         * tree-ssa-structalias.c (get_constraint_for_1): Fix
725         constraints in the !flag_delete_null_pointer_checks case.
726
727 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
728
729         PR debug/43972
730         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
731         result mode matches original rtl mode.
732
733 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
734
735         PR target/43888
736         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
737
738 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
739
740         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
741         when processing flag options.
742
743 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
744
745         * gcov-iov.c (main): Change format string placeholder
746         from %#08x to 0x%08x.
747         * genchecksum.c (dosum): Change format string placeholder
748         from %#02x to 0x%02x.
749
750 2010-05-02  Richard Guenther  <rguenther@suse.de>
751
752         PR tree-optimization/43879
753         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
754
755 2010-05-02  Bruno Haible  <bruno@clisp.org>
756
757         * doc/extend.texi (Function Attributes): Fix a typo.
758
759 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
760
761         Revert:
762         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
763         placeholder from 0x%x to %#x.
764         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
765         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
766         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
767         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
768         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
769         * config/i386/i386.c (ix86_target_string): Ditto.
770         * config/i386/i386.c (output_pic_addr_const): Ditto.
771         (print_operand): Ditto.
772
773 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
774
775         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
776         placeholder from 0x%x to %#x.
777         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
778         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
779         (ASM_OUTPUT_DEBUG_DATA): Ditto.
780         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
781         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
782         * optc-gen.awk: Ditto.
783         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
784         (HOST_WIDE_INT_PRINT_HEX): Ditto.
785         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
786         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
787
788 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
789
790         * target.h (struct calls): Add function_value_regno_p field.
791         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
792         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
793         * targhooks.c (default_function_value_regno_p): New function.
794         * targhooks.h (default_function_value_regno_p): Declare function.
795         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
796         * builtins.c. (apply_result_size): (Ditto.).
797         * combine.c. (likely_spilled_retval_p): (Ditto.).
798         * mode-switching.c. Include 'target.h'.
799         (create_pre_exit): Use function_value_regno_p hook.
800         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
801         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
802         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
803
804         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
805         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
806         (ix86_function_value_regno_p): Declare as static, change argument
807         type to const unsigned int.
808         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
809
810 2010-05-01  Richard Guenther  <rguenther@suse.de>
811
812         PR tree-optimization/43949
813         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
814         types.
815         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
816
817 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
818
819         * rtl.h (CONST_DOUBLE_P): Define.
820         (rtx_to_double_int): Declare.
821         * emit-rtl.c (rtx_to_double_int): New function.
822         * dwarf2out.c (insert_double): New function.
823         (loc_descriptor, add_const_value_attribute): Clean up, use
824         rtx_to_double_int and insert_double functions.
825
826 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
827
828         * doc/extend.texi (Inline): Add missing return keyword to examples.
829         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
830         "command-line".
831
832 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
833
834         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
835         the variable part of the offset as well.  Use highest_pow2_factor for
836         all alignment checks.
837
838 2010-04-30  Richard Guenther  <rguenther@suse.de>
839
840         PR tree-optimization/43879
841         * tree-ssa-structalias.c (type_could_have_pointers): Functions
842         can have pointers.
843
844 2010-04-30  Jan Hubicka  <jh@suse.cz>
845
846         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
847         varpool.
848         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
849
850 2010-04-30  Jan Hubicka  <jh@suse.cz>
851
852         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
853         New.
854         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
855         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
856         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
857         cgraph_node_set_needs_ltrans_p): Remove.
858
859 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
860
861         * sdbout.c: Include vec.h, do not include varray.h.
862         (deferred_global_decls, sdbout_global_decl,
863         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
864         * toplev.c: Do not include varray.h.
865         (dump_memory_report): Do not dump VARRAY statistics.
866         * gengtype.c (open_base_file): Ignore varray.h.
867         * Makefile.in: Update for abovementioned changes.
868         Remove all traces of varray.c and varray.h.
869         * varray.c: Remove file.
870         * varray.h: Remove file.
871
872 2010-04-30  Jan Hubicka  <jh@suse.cz>
873
874         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
875         references.
876
877 2010-04-30  Jan Hubicka  <jh@suse.cz>
878
879         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
880         needed.
881
882 2010-04-30  Richard Guenther  <rguenther@suse.de>
883
884         * tree-ssa-structalias.c (get_constraint_for_1): Generate
885         constraints for CONSTRUCTOR.
886
887 2010-04-30  Richard Guenther  <rguenther@suse.de>
888
889         PR lto/43946
890         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
891         first after all lowering passes.
892
893 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
894
895         * toplev.c: Include varray.h for statistics dumping.
896         * tree.h: Do not declare varray_head_tag.
897         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
898         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
899         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
900         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
901         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
902         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
903         c-common.c, c-common.h, reg-stack.c, basic-block.h,
904         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
905         include varray.h.
906         * Makefile.in: Update for abovementioned changes.
907
908 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
909
910         PR debug/43942
911         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
912
913 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
914
915         * config/picochip/picochip.c (picochip_legitimize_address): Define.
916         Use this function to do machine-specific conversion.
917         (picochip_legitimize_reload_address): Likewise.
918         (picochip_legitimate_address_p): Check valid base register only if
919         strict.
920         (picochip_check_conditional_copy): Check for modw only if opnd is
921         register.
922         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
923         to call the function in c.
924         * config/picochip/picochip-protos.h
925         (picochip_legitimize_reload_address): Define.
926         * config/picochip/picochip.md (supported_compare1): Define.
927
928 2010-04-30  Jan Hubicka  <jh@suse.cz>
929
930         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
931         (cgraph_global_info): Remove inlined.
932         (LTO_cgraph_tag_names): Remove.
933         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
934         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
935         simplify cgraph tags and document.
936         (lto_output_node): Use only LTO_cgraph_unavail_node and
937         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
938         for_functions_valid, global info, process and output flags.
939         (input_overwrite_node): Initialize estimated stack size and
940         estimated growth.  Do not read flags we no longer store.
941         (input_node): Likewise do not read info no longer stored.
942         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
943         flag.
944
945 2010-04-30  Richard Guenther  <rguenther@suse.de>
946
947         PR tree-optimization/43879
948         * tree-ssa-structalias.c (get_constraint_for_1): Properly
949         handle non-zero initializers.
950
951 2010-04-30  Richard Guenther  <rguenther@suse.de>
952
953         * builtins.c (fold_builtin_1): Delete free (0).
954
955 2010-04-29  Jan Hubicka  <jh@suse.cz>
956
957         * gengtype.c (open_base_files): Add lto-streamer.h
958         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
959         (pass_ipa_cp): GGC collect.
960         * toplev. (compile_file): Do not output symbols.
961         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
962         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
963         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
964         * lto-section-in.c: Include ggc.h
965         (lto_new_in_decl_state): Alloc in GGC.
966         (lto_delete_in_decl_state): Likewise.
967         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
968         Collect.
969
970 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
971
972         PR target/42895
973         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
974         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
975         (HONOR_REG_ALLOC_ORDER): Describe new macro.
976         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
977         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
978         account only if HONOR_REG_ALLOC_ORDER is not defined.
979         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
980         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
981
982 2010-04-29  Jon Grant  <04@jguk.org>
983
984         * collect2.c (vflag): Change type from int to bool.
985         (debug): Likewise.
986         (helpflag): New global bool.
987         (main): Set vflag and debug with boolean, not integer truth values.
988         Accept new "--help" option and output usage text if found.
989         * collect2.h (vflag): Update prototype.
990         (debug): Likewise.
991
992 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
993
994         PR bootstrap/43936
995         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
996
997 2010-04-29  Richard Guenther  <rguenther@suse.de>
998
999         PR bootstrap/43935
1000         * plugin.h (invoke_plugin_callbacks): Annotate arguments
1001         with ATTRIBUTE_UNUSED.
1002
1003 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
1004
1005         PR target/43921
1006         * config/i386/i386.c (get_some_local_dynamic_name): Replace
1007         INSN_P with NONDEBUG_INSN_P.
1008         (distance_non_agu_define): Likewise.
1009         (distance_agu_use): Likewise.
1010
1011 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
1012
1013         From Dominique d'Humieres <dominiq@lps.ens.fr>
1014         PR bootstrap/43858
1015         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
1016         test_set.
1017
1018 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
1019
1020         * plugin.h (invoke_plugin_callbacks): New inline function.
1021         * plugin.c (flag_plugin_added): New global flag.
1022         (add_new_plugin): Initialize above flag.
1023         (invoke_plugin_callbacks): Rename to ...
1024         (invoke_plugin_callbacks_full): ... this.
1025
1026 2010-04-28  Jan Hubicka  <jh@suse.cz>
1027
1028         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
1029         (lto_varpool_replace_node): New.
1030         (lto_symtab_resolve_symbols): Resolve varpool nodes.
1031         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
1032         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
1033         * cgraph.h (varpool_node_ptr): New type.
1034         (varpool_node_ptr): New vector.
1035         (varpool_node_set_def): New structure.
1036         (varpool_node_set): New type.
1037         (varpool_node_set): New vector.
1038         (varpool_node_set_element_def): New structure.
1039         (varpool_node_set_element, const_varpool_node_set_element): New types.
1040         (varpool_node_set_iterator): New type.
1041         (varpool_node): Add prev pointers, add used_from_other_partition,
1042         in_other_partition.
1043         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
1044         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
1045         varpool_get_node, varpool_remove_node): Declare.
1046         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
1047         varpool_node_set_size): New inlines.
1048         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
1049         * tree-pass.h (varpool_node_set_def): Forward declare.
1050         (ipa_opt_pass_d): Summary writting takes vnode sets too.
1051         (ipa_write_optimization_summaries): Update prototype.
1052         * ipa-cp.c (ipcp_write_summary): Update.
1053         * ipa-reference.c (ipa_reference_write_summary): Update.
1054         * lto-cgraph.c (lto_output_varpool_node): New static function.
1055         (output_varpool): New function.
1056         (input_varpool_node): New static function.
1057         (input_varpool_1): New function.
1058         (input_cgraph): Input varpool.
1059         * ipa-pure-const.c (pure_const_write_summary): Update.
1060         * lto-streamer-out.c (lto_output): Update, output varpool too.
1061         (write_global_stream): Kill WPA hack.
1062         (produce_asm_for_decls): Update.
1063         (output_alias_pair_p): Handle variables.
1064         (output_unreferenced_globals): Output only needed partition of varpool.
1065         * ipa-inline.c (inline_write_summary): Update.
1066         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
1067         cgraph.
1068         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
1069         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
1070         varpool_node_set_new, varpool_node_set_add,
1071         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
1072         debug_varpool_node_set): New functions.
1073         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
1074         (execute_one_pass): Process new decls too.
1075         (ipa_write_summaries_2): Pass around vsets.
1076         (ipa_write_summaries_1): Likewise.
1077         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
1078         to add.
1079         (ipa_write_optimization_summaries_1): Pass around vsets.
1080         (ipa_write_optimization_summaries): Likewise.
1081         * varpool.c (varpool_get_node): New.
1082         (varpool_node): Update doubly linked lists.
1083         (varpool_remove_node): New.
1084         (dump_varpool_node): More dumping.
1085         (varpool_enqueue_needed_node): Update doubly linked lists.
1086         (decide_is_variable_needed): Kill ltrans hack.
1087         (varpool_finalize_decl): Kill lto hack.
1088         (varpool_assemble_decl): Skip decls in other partitions.
1089         (varpool_assemble_pending_decls): Update doubly linkes lists.
1090         (varpool_empty_needed_queue): Likewise.
1091         (varpool_extra_name_alias): Likewise.
1092         * lto-streamer.c (lto_get_section_name): Add vars section.
1093         * lto-streamer.h (lto_section_type): Update.
1094         (output_varpool, input_varpool): Declare.
1095
1096 2010-04-28  Mike Stump  <mikestump@comcast.net>
1097
1098         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
1099
1100 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1101
1102         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
1103         record or union type with RECORD_OR_UNION_TYPE_P predicate.
1104         (lto_input_ts_type_tree_pointers): Likewise.
1105         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
1106         (lto_output_ts_type_tree_pointers): Likewise.
1107
1108 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1109
1110         Uniquization of constants at the Tree level
1111         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
1112         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
1113         bit to the end.
1114         (tree_output_constant_def): Declare.
1115         * gimplify.c (gimplify_init_constructor): When using block copy, first
1116         uniquize the constant constructor on the RHS.
1117         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
1118         DECL_IN_CONSTANT_POOL flag.
1119         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
1120         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
1121         constant pool.
1122         (assemble_variable): Deal with symbols belonging to the tree constant
1123         pool.
1124         (get_constant_section): Add ALIGN parameter and simplify.
1125         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
1126         (assemble_constant_contents): Use the expression of the VAR_DECL.
1127         (output_constant_def_contents): Use the alignment of the VAR_DECL.
1128         (tree_output_constant_def): New global function.
1129         (mark_constant): Use the expression of the VAR_DECL.
1130         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
1131         its expression.
1132         (output_object_block): Likewise and assemble the expression.
1133
1134 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
1135
1136         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
1137         hash_tree, eq_tree): New tree hash table.
1138         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
1139         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
1140         lto_orig_address_remove): Reimplement.
1141
1142 2010-04-28  Xinliang David Li  <davidxl@google.com>
1143
1144         PR c/42643
1145         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
1146         (compute_uninit_opnds_pos): New function.
1147         (is_non_loop_exit_postdominating): New function.
1148         (compute_control_dep_chain): New function.
1149         (find_pdom): New function.
1150         (convert_control_dep_chain_into_preds): New function.
1151         (find_predicates): New function.
1152         (find_control_equiv_block): New function.
1153         (collect_phi_def_edges): New function.
1154         (find_def_preds): New function.
1155         (find_dom): New function.
1156         (dump_predicates): New function.
1157         (get_cmp_code): New function.
1158         (is_value_included_in): New function.
1159         (find_matching_predicate_in_rest_chains): New function.
1160         (use_pred_not_overlap_with_undef_path_pred): New function.
1161         (is_use_properly_guarded): New function.
1162         (normalize_cond_1): New function.
1163         (is_and_or_or): New function.
1164         (normalize_cond): New function.
1165         (is_gcond_subset_of): New function.
1166         (is_subset_of_any): New function.
1167         (is_or_set_subset_of): New function.
1168         (is_and_set_subset_of): New function.
1169         (is_norm_cond_subset_of): New function.
1170         (is_pred_expr_subset_of): New function.
1171         (is_pred_chain_subset_of): New function.
1172         (is_included_in): New function.
1173         (is_superset_of): New function.
1174         (find_uninit_use): New function.
1175         (warn_uninitialized_phi): New function.
1176         (compute_possibly_undefined_names): New function.
1177         (ssa_undefined_value_p): New function.
1178         (execute_late_warn_uninitialized): New function.
1179         * tree-ssa.c (ssa_undefined_value_p): Removed.
1180         (warn_uninit): Changed to extern.
1181         (warn_uninitialized_phi): Removed.
1182         (warn_uninitialized_vars): Changed to extern.
1183         (execute_late_warn_uninitialized): Removed
1184         * tree-flow.h: Add new prototypes.
1185         * timevar.def: Add new time variable.
1186         * Makefile.in: Add new build file.
1187
1188 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
1189
1190         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
1191         type if available.
1192
1193 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1194
1195         PR target/22224
1196         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
1197
1198 2010-04-28  Martin Jambor  <mjambor@suse.cz>
1199
1200         * cgraph.h (struct cgraph_node): New field indirect_calls.
1201         (struct cgraph_indirect_call_info): New type.
1202         (struct cgraph_edge): Removed field indirect_call. New fields
1203         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
1204         (cgraph_create_indirect_edge): Declare.
1205         (cgraph_make_edge_direct): Likewise.
1206         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
1207         * ipa-prop.h (struct ipa_param_call_note): Removed.
1208         (struct ipa_node_params): Removed field param_calls.
1209         (ipa_create_all_structures_for_iinln): Declare.
1210         * cgraph.c: Described indirect edges and uids in initial comment.
1211         (cgraph_add_edge_to_call_site_hash): New function.
1212         (cgraph_edge): Search also among the indirect edges, use
1213         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
1214         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
1215         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
1216         site hash.
1217         (initialize_inline_failed): Assign a reason to indirect edges.
1218         (cgraph_create_edge_1): New function.
1219         (cgraph_create_edge): Moved some functionality to
1220         cgraph_create_edge_1.
1221         (cgraph_create_indirect_edge): New function.
1222         (cgraph_edge_remove_callee): Add an assert checking for
1223         non-indirectness.
1224         (cgraph_edge_remove_caller): Special-case indirect edges.
1225         (cgraph_remove_edge): Likewise.
1226         (cgraph_set_edge_callee): New function.
1227         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1228         (cgraph_make_edge_direct): New function.
1229         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1230         the declaration of the call statement matches.
1231         (cgraph_node_remove_callees): Special-case indirect edges.
1232         (cgraph_clone_edge): Likewise.
1233         (cgraph_clone_node): Clone also the indirect edges.
1234         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1235         indirect_call, dump count of indirect_calls edges.
1236         * ipa-prop.c (iinlining_processed_edges): New variable.
1237         (ipa_note_param_call): Create indirect edges instead of
1238         creating notes.  New parameter node.
1239         (ipa_analyze_call_uses): New parameter node, pass it on to
1240         ipa_note_param_call.
1241         (ipa_analyze_stmt_uses): Likewise.
1242         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1243         (print_edge_addition_message): Work on edges rather than on notes.
1244         (update_call_notes_after_inlining): Likewise, renamed to
1245         update_indirect_edges_after_inlining.
1246         (ipa_create_all_structures_for_iinln): New function.
1247         (ipa_free_node_params_substructures): Do not free notes.
1248         (ipa_edge_duplication_hook): Propagate bits within
1249         iinlining_processed_edges bitmap.
1250         (ipa_node_duplication_hook): Do not duplicate notes.
1251         (free_all_ipa_structures_after_ipa_cp): Renamed to
1252         ipa_free_all_structures_after_ipa_cp.
1253         (free_all_ipa_structures_after_iinln): Renamed to
1254         ipa_free_all_structures_after_iinln.g
1255         (ipa_write_param_call_note): Removed.
1256         (ipa_read_param_call_note): Removed.
1257         (ipa_write_indirect_edge_info): New function.
1258         (ipa_read_indirect_edge_info): Likewise.
1259         (ipa_write_node_info): Do not stream notes, do stream information
1260         in indirect edges.
1261         (ipa_read_node_info): Likewise.
1262         (lto_ipa_fixup_call_notes): Removed.
1263         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1264         * ipa-inline.c (pass_ipa_inline): Likewise.
1265         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1266         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1267         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1268         is_gimple_call.
1269         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1270         edges.
1271         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1272         (output_cgraph): Stream also indirect edges.
1273         (lto_output_edge): Added capability to stream indirect edges.
1274         (input_edge): Likewise.
1275         (input_cgraph_1): Likewise.
1276         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1277         of indirect edges.
1278
1279 2010-04-28  Richard Guenther  <rguenther@suse.de>
1280
1281         PR tree-optimization/43879
1282         PR tree-optimization/43909
1283         * tree-ssa-structalias.c (struct variable_info): Add
1284         only_restrict_pointers flag.
1285         (new_var_info): Initialize it.  Increment stats.total_vars here.
1286         (create_function_info_for): Do not increment stats.total_vars
1287         here.
1288         (get_function_part_constraint): Fix build with C++.
1289         (insert_into_field_list): Remove.
1290         (push_fields_onto_fieldstack): Properly merge fields.
1291         (create_variable_info_for): Split and simplify.
1292         (create_variable_info_for_1): New piece.
1293         (intra_create_variable_infos): Properly make restrict constraints
1294         from parameters.
1295
1296 2010-04-28  Richard Guenther  <rguenther@suse.de>
1297
1298         PR c++/43880
1299         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1300
1301 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1302             Jan Hubicka <hubicka@ucw.cz>
1303
1304         * doc/invoke.texi (-Wsuggest-attribute=const,
1305         -Wsuggest-attribute=pure): Document.
1306         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1307         (function_always_visible_to_compiler_p,
1308         suggest_attribute, warn_function_pure, warn_function_const):
1309         New functions.
1310         (check_call): Improve debug info.
1311         (analyze_function): Do not check availability.
1312         (add_new_function): Check availability.
1313         (propagate): Output warnings.
1314         (skip_function_for_local_pure_const): New function.
1315         (local_pure_const): Use it; output warnings.
1316         * common.opt (Wsuggest-attribute=const,
1317         Wsuggest-attribute=pure): New.
1318
1319 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1320
1321         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1322         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1323         or DW_CFA_def_cfa_offset{,_sf}.
1324
1325 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1326
1327         * tree.h: Fix truncated long macros.
1328
1329 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1330
1331         * collect2.c (TARGET_64BIT): Redefine to target's default.
1332         * tlink.c: Likewise.
1333         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1334         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1335         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1336         for underscoring __USER_LABEL_PREFIX__.
1337         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1338         (SUB_LINK_ENTRY32): New.
1339         (SUB_LINK_ENTRY64): New.
1340         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1341         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1342         (SUB_LINK_ENTRY64): New.
1343         (SUB_LINK_ENTRY): New.
1344         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1345         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1346         x64 target is choosen.
1347         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1348         * configure: Regenerated.
1349         * configure.ac (leading-mingw64-underscores): Option added.
1350
1351 2010-04-27  Jan Hubicka  <jh@suse.cz>
1352
1353         * doc/invoke.texi (-fipa-profile): Document.
1354         * opts.c (decode_options): Enable ipa-profile at -O1.
1355         * timevar.def (TV_IPA_PROFILE): Define.
1356         * common.opt (fipa-profile): Add.
1357         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1358         flag for clones.
1359         (cgraph_propagate_frequency): Handle only local ones.
1360         * tree-pass.h (pass_ipa_profile): Declare.
1361         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1362         (pass_ipa_profile): Use TV_IPA_PROFILE.
1363         * ipa.c (ipa_profile): New function.
1364         (gate_ipa_profile): Likewise.
1365         (pass_ipa_profile): New global variable.
1366         * passes.c (pass_ipa_profile): New.
1367
1368 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1369
1370         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1371
1372 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1373
1374         PR middle-end/43812
1375         * ipa.c (dissolve_same_comdat_group_list): New function.
1376         (function_and_variable_visibility): Call
1377         dissolve_same_comdat_group_list when comdat group contains external or
1378         newly local nodes.
1379         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1380         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1381
1382 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1383
1384         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1385         (const_hash_1) <VECTOR_CST>: New case.
1386         (compare_constant) <VECTOR_CST>: Likewise.
1387         <ADDR_EXPR>: Deal with LABEL_REFs.
1388         (copy_constant) <VECTOR_CST>: New case.
1389
1390 2010-04-27  Jan Hubicka  <jh@suse.cz>
1391
1392         * cgraph.c (cgraph_propagate_frequency): New function.
1393         * cgraph.h (cgraph_propagate_frequency): Declare.
1394         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1395         cgraph_propagate_frequency.
1396
1397 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1398
1399         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1400
1401 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1402
1403         PR target/40657
1404         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1405         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1406         here to determine which regs to push and how much stack to reserve.
1407
1408 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1409
1410         * doc/gimple.texi (gimple_statement_with_ops): Remove
1411         addresses_taken field.
1412         (gimple_statement_with_memory_ops): Likewise.
1413
1414 2010-04-27  Jan Hubicka  <jh@suse.cz>
1415
1416         * tree-inline.c (eni_inlining_weights): Remove.
1417         (estimate_num_insns): Special case more builtins.
1418
1419 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1420
1421         PR c/32207
1422         * c-typeck.c (build_binary_op): Move forward check for comparison
1423         pointer with null pointer constant and adjust the diagnostic message.
1424
1425 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1426
1427         PR lto/42776
1428         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1429         binutils supports extended .section directive needed by LTO, or
1430         warn if older binutils found.
1431         (LTO_BINARY_READER): New AC_SUBST'd variable.
1432         (LTO_USE_LIBELF): Likewise.
1433         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1434         variable.
1435         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1436         (LTO_USE_LIBELF): Likewise.
1437         * configure: Regenerate.
1438
1439         * collect2.c (is_elf): Rename from this ...
1440         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1441          object files in addition to ELF-formatted ones.
1442         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1443         symbol to be prefixed or not by an extra underscore.
1444
1445         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1446         * config/i386/winnt.c: Also #include lto-streamer.h
1447         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1448         LTO named sections.
1449         (i386_pe_asm_output_aligned_decl_common): Add comment.
1450         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1451
1452 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1453
1454         PR target/43889
1455         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1456         Add missing earlyclobber for second alternative.
1457
1458 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1459
1460         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1461         bits for artificial defs at the top of the block.
1462         * fwprop.c (single_def_use_enter_block): Don't call it.
1463
1464 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1465
1466         PR 43715
1467         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1468         instead of "$gcc_cv_objdump -T".
1469         Use "-undefined dynamic_lookup" on darwin.
1470         * gcc/configure: Regenerate.
1471
1472 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1473
1474         PR c/43893
1475         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1476
1477 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1478
1479         * c-parser.c (struct c_token): Move location field up.
1480         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1481         (struct c_declspecs): Convert typespec_word, storage_class, and
1482         default_int_p into bitfields.
1483         (struct c_declarator): Move loc field up.
1484
1485 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1486
1487         * cfgloop.h (struct loop): Move can_be_parallel field up.
1488         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1489         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1490         down.
1491         (struct iv_cand): Convert pos field into a bitfield.
1492         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1493         field up.
1494         (struct _stmt_vec_info): Shuffle fields for better packing.
1495
1496 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1497
1498         * varasm.c (IN_NAMED_SECTION): Remove guard.
1499         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1500         (IN_NAMED_SECTION_P): ...this.
1501         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1502         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1503
1504 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1505
1506         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1507         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1508         of shadowing it.  Fix comments.
1509
1510 2010-04-26  Jan Hubicka  <jh@suse.cz>
1511
1512         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1513         (cgraph_clone_node): Copy function frequency.
1514         * cgraph.h (node_frequency): New enum
1515         (struct cgraph_node): Add.
1516         * final.c (rest_of_clean_state): Update.
1517         * lto-cgraph.c (lto_output_node): Output node frequency.
1518         (input_overwrite_node): Input node frequency.
1519         * tre-ssa-loop-ivopts (computation_cost): Update.
1520         * lto-streamer-out.c (output_function): Do not output function
1521         frequency.
1522         * predict.c (maybe_hot_frequency_p): Update and handle functions
1523         executed once.
1524         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1525         attribute lookup.
1526         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1527         (compute_function_frequency): Set noreturn functions to be executed
1528         once.
1529         (choose_function_section): Update.
1530         * lto-streamer-in.c (input_function): Do not input function frequency.
1531         * function.c (allocate_struct_function): Do not initialize function
1532         frequency.
1533         * function.h (function_frequency): Remove.
1534         (struct function): Remove function frequency.
1535         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1536         (try_update): Update.
1537         * tree-inline.c (initialize_cfun): Do not update function frequency.
1538         * passes.c (pass_init_dump_file): Update.
1539         * i386.c (ix86_compute_frame_layout): Update.
1540         (ix86_pad_returns): Update.
1541
1542 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1543
1544         PR tree-optimization/43833
1545         * tree-vrp.c (range_int_cst_p): New.
1546         (range_int_cst_singleton_p): New.
1547         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1548         when both operands are constants.  Use range_int_cst_p in
1549         BIT_IOR_EXPR case.
1550
1551 2010-04-26  Jan Hubicka  <jh@suse.cz>
1552
1553         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1554
1555 2010-04-26  Richard Guenther  <rguenther@suse.de>
1556
1557         PR lto/43080
1558         * gimple.c (gimple_decl_printable_name): Deal gracefully
1559         with a NULL DECL_NAME.
1560
1561 2010-04-26  Richard Guenther  <rguenther@suse.de>
1562
1563         PR lto/42425
1564         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1565         if emitting debug information and it is either a function
1566         or a namespace decl.
1567
1568 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1569
1570         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1571         determine if the statement is vectorizable, and a macro to access it.
1572         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1573         Skip statements that can't be vectorized. If the analysis fails,
1574         mark the statement as unvectorizable if vectorizing basic block.
1575         (vect_compute_data_refs_alignment): Likewise.
1576         (vect_verify_datarefs_alignment): Skip statements marked as
1577         unvectorizable. Add print.
1578         (vect_analyze_group_access): Skip statements that can't be
1579         vectorized. If the analysis fails, mark the statement as
1580         unvectorizable if vectorizing basic block.
1581         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1582         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1583         generated stmts for SLP.
1584         (new_stmt_vec_info): Initialize the new field.
1585         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1586         statements marked as unvectorizable.
1587
1588 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1589
1590         * c-common.c (flag_isoc1x): New.
1591         (flag_isoc99): Update comment.
1592         * c-common.h (flag_isoc1x): New.
1593         (flag_isoc99): Update comment.
1594         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1595         __<type>_DECIMAL_DIG__.
1596         * c-opts.c (set_std_c1x): New.
1597         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1598         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1599         * c.opt (-std=c1x, -std=gnu1x): New options.
1600         * doc/cpp.texi: Mention -std=c1x.
1601         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1602         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1603         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1604         * doc/standards.texi: Mention C1X.
1605         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1606         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1607         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1608         Define for C1X.
1609
1610 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1611
1612         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1613         placeholder from 0x%x to %#x.
1614         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1615         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1616         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1617         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1618         * config/i386/i386.c (ix86_target_string): Ditto.
1619         (output_pic_addr_const): Ditto.
1620         (print_operand): Ditto.
1621
1622 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1623
1624         * combine.c (find_split_point): Add third argument.  Use it
1625         to find nested multiply-accumulate instructions.  Adjust calls.
1626         (try_combine): Adjust call to find_split_point.
1627
1628 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1629
1630         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1631
1632 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1633
1634         PR tree-optimization/41442
1635         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1636         (fold_binary_loc): Call it.
1637
1638 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1639
1640         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1641         * opts.c (common_handle_option): Allow disabling it.
1642         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1643
1644 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1645
1646         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1647         between modes if both types are integral.
1648
1649 2010-04-23  Richard Guenther  <rguenther@suse.de>
1650
1651         PR tree-optimization/43572
1652         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1653
1654 2010-04-23  Richard Guenther  <rguenther@suse.de>
1655
1656         PR lto/43455
1657         * tree-inline.c (tree_can_inline_p): Also check compatibility
1658         of return types.
1659
1660 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1661
1662         PR tree-optimization/43846
1663         * tree-sra.c (struct access): New flag grp_assignment_read.
1664         (build_accesses_from_assign): Set grp_assignment_read.
1665         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1666         (enum mark_read_status): New type.
1667         (analyze_access_subtree): Propagate grp_assignment_read, create
1668         accesses also if both direct_read and root->grp_assignment_read.
1669
1670 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1671
1672         PR middle-end/43835
1673         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1674         function does not have type attributes.
1675
1676 2010-04-23  Richard Guenther  <rguenther@suse.de>
1677
1678         PR lto/42653
1679         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1680         of FUNCTION_DECLs.
1681
1682 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1683
1684         * sese.h (create_if_region_on_edge): Remove.
1685
1686         * sese.c (create_if_region_on_edge): Make static.
1687
1688         * tree-inline.c: Do not include ggc.h.
1689
1690         * expr.c: Do not include ggc.h.
1691
1692         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1693         dependencies.
1694
1695 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1696
1697         PR target/43744
1698         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1699         in the middle of insns for casesi_worker_2.
1700
1701 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1702
1703         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1704
1705 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1706
1707         PR tree-optimization/43842
1708         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1709         loop unrolling in update of exit phis. Fix comment.
1710         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1711         least two reduction statements in the loop before starting SLP
1712         analysis.
1713
1714 2010-04-22  Nick Clifton  <nickc@redhat.com>
1715
1716         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1717
1718 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1719
1720         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1721         to simplify a + ~a.
1722
1723 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1724
1725         * tree-parloops.c (loop_parallel_p): New argument
1726         parloop_obstack.  Pass it down.
1727         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1728         pass it down, free it.
1729
1730         * tree-loop-linear.c (linear_transform_loops): Pass down
1731         lambda_obstack.
1732
1733         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1734         of type struct obstack *.
1735
1736         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1737         scratch_obstack.  Initialize it, pass down, free it.
1738
1739         * lambda.h (lambda_loop_new): Remove.
1740         (lambda_matrix_new, lambda_matrix_inverse)
1741         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1742         argument of type struct obstack *.
1743
1744         * lambda-trans.c (lambda_trans_matrix_new): New argument
1745         lambda_obstack.  Pass it down, use obstack allocation for ret.
1746         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1747         it down.
1748
1749         * lambda-mat.c (lambda_matrix_get_column)
1750         (lambda_matrix_project_to_null): Remove.
1751         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1752         allocation for mat.
1753         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1754         lambda_obstack.
1755
1756         * lambda-code.c (lambda_loop_new): New function.
1757         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1758         (lambda_compute_auxillary_space, lambda_compute_target_space)
1759         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1760         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1761         (build_access_matrix): New argument lambda_obstack.  Use obstack
1762         allocation for am.
1763         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1764         argument lambda_obstack.  Pass it down.
1765
1766 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1767
1768         * optabs.h (expand_widening_mult): Declare.
1769
1770 2010-04-22  Richard Guenther  <rguenther@suse.de>
1771
1772         PR tree-optimization/43845
1773         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1774         lookup the CALL_EXPR function and arguments.
1775
1776 2010-04-22  Nick Clifton  <nickc@redhat.com>
1777
1778         * config/stormy16/stormy16.c
1779         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1780         * config/stormy16/stormy16.h: Tidy up formatting.
1781         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1782         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1783         (ineqbranchsi): Delete pattern.
1784         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1785         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1786         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1787         stormy16-lib2-ucmpsi2.c.
1788
1789 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1790
1791         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1792         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1793         extra set merge_set_noclobber, and use it to relax the final test
1794         slightly.
1795         * df.h (df_simulate_find_noclobber_defs): Declare.
1796         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1797         conditional defs.
1798         (df_simulate_find_noclobber_defs): New function.
1799
1800 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1801
1802         * config/i386/i386.md: Use {} around multi-line preparation statements.
1803
1804 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1805
1806         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1807         (process_init_element): New argument of type struct obstack *.
1808
1809         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1810         (set_init_index, set_init_label, set_nonincremental_init)
1811         (set_nonincremental_init_from_string, find_init_member)
1812         (output_init_element, output_pending_init_elements)
1813         (process_init_element): New argument braced_init_obstack.  Pass it
1814         down.
1815         (push_range_stack, add_pending_init): New argument
1816         braced_init_obstack.  Use obstack allocation.
1817
1818         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1819         braced_init_obstack.  Pass it down.
1820         (c_parser_braced_init): New variables ret, braced_init_obstack.
1821         Initialize obstack, pass it down and finally free it.
1822
1823 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1824
1825         PR middle-end/29274
1826         * tree-pass.h (pass_optimize_widening_mul): Declare.
1827         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1828         gate_optimize_widening_mul): New static functions.
1829         (pass_optimize_widening_mul): New.
1830         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1831         <case MULT_EXPR>: Remove support for widening multiplies.
1832         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1833         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1834         simplify_gen_unary rather than directly building extensions.
1835         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1836         WIDEN_MULT_EXPR.
1837         * expmed.c (expand_widening_mult): New function.
1838         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1839
1840 2010-04-21  Jan Hubicka  <jh@suse.cz>
1841
1842         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1843         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1844         * lto-wpa-fixup.c: Remove.
1845         * Makefile.in (lto-wpa-fixup.o): Remove.
1846         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1847         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1848         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1849
1850 2010-04-21  Jan Hubicka  <jh@suse.cz>
1851
1852         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1853         add write_optimization_summary, read_optimization_summary.
1854         (ipa_write_summaries_of_cgraph_node_set): Remove.
1855         (ipa_write_optimization_summaries): Declare.
1856         (ipa_read_optimization_summaries): Declare.
1857         * ipa-cp.c (pass_ipa_cp): Update.
1858         * ipa-reference.c (pass_ipa_reference): Update.
1859         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1860         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1861         Update.
1862         * ipa-inline.c (pass_ipa_inline): Update.
1863         * ipa.c (pass_ipa_whole_program): Update.
1864         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1865         * passes.c (ipa_write_summaries_1): Do not test wpa.
1866         (ipa_write_optimization_summaries_1): New.
1867         (ipa_write_optimization_summaries): New.
1868         (ipa_read_summaries): Do not test ltrans.
1869         (ipa_read_optimization_summaries_1): New.
1870         (ipa_read_optimization_summaries): New.
1871
1872 2010-04-21  Jan Hubicka  <jh@suse.cz>
1873
1874         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1875         for boundary nodes.
1876         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1877
1878 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1879
1880         PR debug/40040
1881         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1882         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1883
1884 2010-04-21  Jan Hubicka  <jh@suse.cz>
1885
1886         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1887
1888 2010-04-21  Jan Hubicka  <jh@suse.cz>
1889
1890         * varpool.c (decide_is_variable_needed): Variable is always needed
1891         during ltrans.
1892
1893 2010-04-21  Jan Hubicka  <jh@suse.cz>
1894
1895         * opts.c (decode_options): Enable pure-const pass for whopr.
1896
1897 2010-04-21  Jan Hubicka  <jh@suse.cz>
1898
1899         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1900         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1901         at WPA dumping.
1902         (cgraph_decide_inlining): Do not expect callee to be removed in all
1903         cases.
1904
1905 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1906
1907         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1908
1909 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1910
1911         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1912         amdfam10_decode attributes.
1913
1914 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1915
1916         PR middle-end/43570
1917         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1918         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1919         (lower_copyprivate_clauses): Use private var in outer
1920         context instead of original var.  Make sure the types
1921         are correct for VLAs.
1922
1923 2010-04-21  Richard Guenther  <rguenther@suse.de>
1924
1925         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1926         to non-pointer objects.
1927
1928 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1929
1930         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1931         last chain entry if it starts with the still current label.
1932         (add_location_or_const_value_attribute): Check that
1933         loc_list->first->next is NULL instead of comparing ->first with ->last.
1934         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1935         to add_var_loc_to_decl.
1936
1937         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1938         >= 4 add also address size and segment size fields into CIE header.
1939
1940         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1941         long as address size is the same as sizeof (void *) and
1942         segment size is 0.
1943         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1944         address size or segment size is unexpected, return DW_EH_PE_omit.
1945         (classify_object_over_fdes): If get_cie_encoding returned
1946         DW_EH_PE_omit, return -1.
1947         (init_object): If classify_object_over_fdes returned -1,
1948         pretend there were no FDEs at all.
1949
1950 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1951
1952         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1953         bswap{si,di}2 using SWI48 mode iterator.
1954         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1955         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1956         set modrm attribute of bswap insn to 0 and remove length attribute.
1957         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1958         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1959         set mode attribute to <MODE> and remove length attribute.
1960
1961 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1962
1963         PR rtl-optimization/43520
1964         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1965         zero available registers.
1966
1967 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1968
1969         * builtins.c (fold_builtin_cproj): Fold more cases.
1970
1971 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1972
1973         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1974         (fold_builtin_1): Fold builtin cproj.
1975         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1976         Use ATTR_CONST_NOTHROW_LIST.
1977
1978 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1979
1980         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1981         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1982         ffsi2_no_cmove for !TARGET_CMOVE.
1983         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1984         (ffssi2): Remove expander.
1985         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1986         mode iterator.
1987         (ctz<mode>2): Ditto from ctz{si,di}2.
1988         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1989         mode iterator.
1990         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1991         mode iterator.
1992
1993 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1994
1995         * dwarf2out.c (AT_linkage_name): Define.
1996         (clone_as_declaration): Handle DW_AT_linkage_name.
1997         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1998         of DW_AT_MIPS_linkage_name.
1999         (move_linkage_attr): Likewise.
2000         (dwarf2out_finish): Likewise.
2001
2002 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
2003
2004         PR middle-end/41952
2005         * fold-const.c (fold_comparison): New folding rule.
2006
2007 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
2008
2009         * double-int.h (double_int_setbit): Declare.
2010         * double-int.c (double_int_setbit): New function.
2011         * rtl.h (immed_double_int_const): Declare.
2012         * emit-rtl.c (immed_double_int_const): New function.
2013         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
2014         and immed_double_int_const functions.
2015         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
2016         expand_copysign_bit):  (Ditto.).
2017         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
2018         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
2019         * dojump.c (prefer_and_bit_test): (Ditto.).
2020         * expr.c (convert_modes, reduce_to_bit_field_precision,
2021         const_vector_from_tree): (Ditto.).
2022         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2023
2024 2010-04-20  Jan Hubicka  <jh@suse.cz>
2025
2026         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
2027         (dump_cgraph_node): Dump new flags.
2028         * cgraph.h (struct cgraph_node): Add flags
2029         reachable_from_other_partition and in_other_partition.
2030         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
2031         other partition can not be removed.
2032         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
2033         the other partition must be output; silence sanity checking on
2034         leaking functions bodies from other paritition.
2035         * lto-cgraph.c (reachable_from_other_partition_p): New function.
2036         (lto_output_node): Output new flags; do not sanity check that inline
2037         clones are output; drop lto_forced_extern_inline_p code; do not mock
2038         visibility flags at partition boundaries.
2039         (add_node_to): New function.
2040         (output_cgraph): Use it to sort functions so masters appear before
2041         clones.
2042         (input_overwrite_node): Input new flags.
2043         * passes.c (ipa_write_summaries): Do not call
2044         lto_new_extern_inline_states.
2045         * lto-section-out.c (forced_extern_inline,
2046         lto_new_extern_inline_states lto_delete_extern_inline_states,
2047         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
2048         * lto-streamer.h (lto_new_extern_inline_states,
2049         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
2050         lto_forced_extern_inline_p): Kill.
2051
2052 2010-04-20  Richard Guenther  <rguenther@suse.de>
2053
2054         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
2055         from vars that can have pointers.
2056         (process_constraint): Dump useless constraints.
2057
2058 2010-04-20  Richard Guenther  <rguenther@suse.de>
2059
2060         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
2061         (dump_sa_points_to_info): Remove asserts.
2062         (init_base_vars): nothing_id isn't an escape point nor does it
2063         have pointers.
2064
2065 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
2066
2067         * tree.h (TYPE_REF_IS_RVALUE): Define.
2068         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
2069         should_move_die_to_comdat, prune_unused_types_walk): Handle
2070         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
2071         (modified_type_die, gen_reference_type_die): Emit
2072         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
2073         if TYPE_REF_IS_RVALUE and -gdwarf-4.
2074
2075 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2076
2077         PR target/43635
2078         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
2079         calls for -fpic -m31 if they have been sibcall optimized.
2080
2081 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
2082
2083         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
2084         ar.lc fixed and call-used.
2085
2086         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
2087
2088 2010-04-19  Jan Hubicka  <jh@suse.cz>
2089
2090         * opts.c (decode_options): Disable whpr incompatible passes.
2091         * lto/lto.c (lto_1_to_1_map): Skip clones.
2092         (read_cgraph_and_symbols): Do not mark everything as needed.
2093         (do_whole_program_analysis): Do map only after optimizing;
2094         set proper cgraph_state; use passmanager.
2095
2096 2010-04-19  DJ Delorie  <dj@redhat.com>
2097
2098         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
2099         POINTER_PLUS_EXPR and fix them.
2100
2101 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
2102
2103         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
2104         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
2105         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
2106         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
2107         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
2108         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
2109         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
2110         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
2111         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
2112         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
2113         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
2114
2115 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
2116
2117         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
2118         (check_cond_move_block): Likewise.
2119         (cond_move_process_if_block): Likewise.
2120         (noce_find_if_block): Improve formatting.
2121         (find_if_header): Pass 0 to memset and tweak conditions.
2122         (cond_exec_find_if_block): Fix long lines and tweak conditions.
2123
2124 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2125
2126         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
2127         for -gdwarf-4.
2128
2129         PR middle-end/43337
2130         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
2131         with non-local decl doesn't need chain.
2132
2133 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
2134
2135         * ira-color.c (allocno_reload_assign): Avoid accumulating
2136         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
2137
2138 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2139
2140         * gimple.h (create_tmp_reg): Declare.
2141         * gimplify.c (create_tmp_reg): New function.
2142         (gimplify_return_expr): Use create_tmp_reg.
2143         (gimplify_omp_atomic): Likewise.
2144         (gimple_regimplify_operands): Likewise.
2145         * tree-dfa.c (make_rename_temp): Likewise.
2146         * tree-predcom.c (predcom_tmp_var): Likewise.
2147         (reassociate_to_the_same_stmt): Likewise.
2148         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
2149         (get_replaced_param_substitute): Likewise.
2150         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
2151         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
2152         * tree-ssa-pre.c (get_representative_for): Likewise.
2153         (create_expression_by_pieces): Likewise.
2154         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
2155         (create_tailcall_accumulator): Likewise.
2156
2157 2010-04-19  Martin Jambor  <mjambor@suse.cz>
2158
2159         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
2160         new_stmt.
2161         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
2162
2163 2010-04-19  Richard Guenther  <rguenther@suse.de>
2164
2165         PR tree-optimization/43796
2166         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
2167         from SCEV in the lattice.
2168         (vrp_visit_phi_node): Dump change.
2169
2170 2010-04-19  Richard Guenther  <rguenther@suse.de>
2171
2172         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
2173         * configure: Re-generated.
2174
2175 2010-04-19  Richard Guenther  <rguenther@suse.de>
2176
2177         PR tree-optimization/43783
2178         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
2179         constant ARRAY_REF operands two and three if possible.
2180
2181 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
2182
2183         PR target/43766
2184         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
2185
2186 2010-04-19  Jie Zhang  <jie@codesourcery.com>
2187
2188         PR target/43662
2189         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
2190
2191 2010-04-19  Ira Rosen  <irar@il.ibm.com>
2192
2193         PR tree-optimization/37027
2194         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
2195         and macro to access it.
2196         (vectorizable_reduction): Add argument.
2197         (vect_get_slp_defs): Likewise.
2198         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
2199         statements for possible use in SLP.
2200         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
2201         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
2202         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
2203         add new argument.
2204         (vectorizable_reduction): Likewise.
2205         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
2206         vect_get_slp_defs.
2207         (vectorizable_type_demotion, vectorizable_type_promotion,
2208         vectorizable_store): Likewise.
2209         (vect_analyze_stmt): Update call to vectorizable_reduction.
2210         (vect_transform_stmt): Likewise.
2211         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
2212         (vect_build_slp_tree): Fix indentation. Check that there are no loads
2213         from different interleaving chains in same node.
2214         (vect_slp_rearrange_stmts): New function.
2215         (vect_supported_load_permutation_p): Allow load permutations for
2216         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
2217         inside SLP nodes if necessary.
2218         (vect_analyze_slp_instance): Handle reductions.
2219         (vect_analyze_slp): Try to build SLP instances originating from groups
2220         of reductions.
2221         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2222         (vect_get_constant_vectors): Create initial vectors for reductions
2223         according to reduction code. Add new argument.
2224         (vect_get_slp_defs): Add new argument, pass it to
2225         vect_get_constant_vectors.
2226         (vect_schedule_slp_instance): Remove SLP tree root statements.
2227
2228 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2229
2230         * tree.h (ENUM_IS_SCOPED): Define.
2231         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2232         for ENUM_IS_SCOPED enums.
2233
2234 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2235
2236         * fold-const.c (fold_comparison): Use ssizetype.
2237         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2238         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2239         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2240         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2241
2242         * tree.h (initialize_sizetypes): Remove parameter.
2243         (build_common_tree_nodes): Remove second parameter.
2244         * stor-layout.c (initialize_sizetypes): Remove parameter.
2245         Always create an unsigned type.
2246         (set_sizetype): Assert that the passed type is unsigned and simplify.
2247         * tree.c (build_common_tree_nodes): Remove second parameter.
2248         Adjust call to initialize_sizetypes.
2249         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2250         build_common_tree_nodes.
2251
2252 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2253
2254         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2255
2256 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2257
2258         PR tree-optimization/43771
2259         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2260         load permutation doesn't have gaps.
2261
2262 2010-04-18  Jan Hubicka  <jh@suse.cz>
2263
2264         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2265         (sse_prologue_save_insn expander): Use new pattern.
2266         (sse_prologue_save_insn1): New pattern and splitter.
2267         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2268         blocks.
2269         * i386.c (setup_incoming_varargs_64): Do not compute jump
2270         destination here.
2271         (ix86_gimplify_va_arg): Update alignment needed.
2272         (ix86_local_alignment): Do not align all local arrays to 128bit.
2273
2274 2010-04-17  Jan Hubicka  <jh@suse.cz>
2275
2276         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2277
2278 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2279
2280         * arm.md (negdi2): Remove redundant code to force values into a
2281         register.
2282
2283 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2284
2285         * arm/bpabi.S: Add EABI alignment attributes to objects.
2286         * arm/bpabi-v6m.S: Likewise.
2287         * arm/crti.asm: Likewise.
2288         * arm/crtn.asm: Likewise.
2289         * arm/lib1funcs.asm: Likewise.
2290         * arm/libunwind.S: Likewise.
2291
2292 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2293
2294         * arm-protos.h (tune_params): New structure.
2295         * arm.c (current_tune): New variable.
2296         (arm_constant_limit): Delete.
2297         (struct processors): Add pointer to the tune parameters.
2298         (arm_slowmul_tune): New tuning option.
2299         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2300         (all_cores): Adjust to pick up the tuning model.
2301         (arm_constant_limit): New function.
2302         (arm_override_options): Select the appropriate tuning model.  Delete
2303         initialization of arm_const_limit.
2304         (arm_split_constant): Use the new constant-limit model.
2305         (arm_rtx_costs): Pick up the current tuning model.
2306         * arm.md (is_strongarm, is_xscale): Delete.
2307         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2308         for Xscale variant architectures.
2309         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2310
2311 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2312
2313         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2314         can_shift.
2315         (arm_rtx_costs_1): Remove unused variable extra_cost.
2316         (arm_unwind_emit_set): Use variable offset.
2317         (thumb1_output_casesi): Remove unused variable flags.
2318
2319 2010-04-16  Jeff Law  <law@redhat.com>
2320
2321         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2322         needing assignment rather than doing a two-phase assignment.  Remove
2323         unused variable 'm'.
2324
2325 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2326
2327         PR bootstrap/43767
2328         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2329
2330 2010-04-16  Doug Kwan  <dougkwan@google.com>
2331
2332         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2333         (next_operand_entry_id): New static variable.
2334         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2335         (add_to_ops_vec): Assigned unique ID to operand entry.
2336         (struct oecount_s): New field ID.
2337         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2338         (undistribute_ops_list): Assign unique IDs to oecounts.
2339         (init_reassoc): reset next_operand_entry_id.
2340
2341 2010-04-16  Doug Kwan  <dougkwan@google.com>
2342
2343         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2344         missing left parenthesis.
2345
2346 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2347
2348         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2349         *btdi_rex64 using SWI48 mode iterator.
2350         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2351         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2352         *jcc_btdi_mask_rex64.
2353
2354 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2355
2356         * double-int.h (tree_to_double_int): Convert to macro.
2357         * double-int.c (tree_to_double_int): Remove.
2358
2359 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2360
2361         PR debug/43762
2362         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2363         with want_address 2 and in case a single element list might be
2364         possible, call it again with want_address 0.
2365
2366 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2367
2368         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2369         case 'W' print operands for HI mode.
2370         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2371         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2372         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2373         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2374
2375         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2376
2377         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2378         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2379         #xx:3 and #xx:4 mode.
2380
2381         * config/h8300/h8300.md (inverted load with HImode dest): Add
2382         support for H8300SX.
2383
2384         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2385         satisfy 'U' constraint.
2386
2387 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2388
2389         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2390         * configure: Regenerate.
2391         * config.in: Regenerate.
2392         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2393         works.
2394
2395 2010-04-16  Richard Guenther  <rguenther@suse.de>
2396
2397         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2398         (struct tree_decl_common): ... here.
2399         (DECL_PT_UID): Adjust.
2400         (SET_DECL_PT_UID): Likewise.
2401         (DECL_PT_UID_SET_P): Likewise.
2402
2403 2010-04-16  Richard Guenther  <rguenther@suse.de>
2404
2405         PR tree-optimization/43572
2406         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2407         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2408         * tree-flow.h (is_call_clobbered): Remove.
2409         * tree-flow-inline.h (is_call_clobbered): Likewise.
2410         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2411         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2412         (execute_return_slot_opt): Adjust.
2413         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2414         check for call clobbered vars here.
2415         (find_tail_calls): Move tailcall verification to the
2416         proper place.
2417
2418 2010-04-16  Diego Novillo  <dnovillo@google.com>
2419
2420         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2421
2422 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2423
2424         PR target/40603
2425         * config/arm/arm.md (cbranchqi4): New pattern.
2426         * config/arm/predicates.md (const0_operand,
2427         cbranchqi4_comparison_operator): New predicates.
2428
2429 2010-04-16  Richard Guenther  <rguenther@suse.de>
2430
2431         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2432         (dump_gimple_stmt): Likewise.
2433
2434 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2435
2436         * recog.h (struct recog_data): New field is_operator.
2437         (struct insn_operand_data): New field is_operator.
2438         * recog.c (extract_insn): Set recog_data.is_operator.
2439         * genoutput.c (output_operand_data): Emit code to set the
2440         is_operator field.
2441         * reload.c (find_reloads): Use it rather than testing for an
2442         empty constraint string.
2443
2444         PR target/41514
2445         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2446         If the previous insn is a cbranchsi4_insn with the same arguments,
2447         omit the compare instruction.
2448
2449         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2450         register, inputs must be low registers and we need a low register
2451         scratch.  Handle alternative 2 like alternative 3.
2452
2453 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2454
2455         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2456         don't call get_addr on both.  If one expression is a VALUE and
2457         the other a REG, check VALUE's locs if the REG isn't among them.
2458
2459 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2460
2461         * config/sh/sh.h (sh_frame_pointer_required): New function.
2462         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2463         (flag_omit_frame_pointer) Set.
2464         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2465         (rounded_frame_size): Adjust size with outgoing_args_size.
2466         (sh_set_return_address): Must return from stack pointer.
2467         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2468         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2469         (ACCUMULATE_OUTGOING_ARGS): Define.
2470         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2471         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2472
2473 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2474
2475         PR target/43471
2476         * config/sh/sh.c (sh_legitimize_reload_address): Use
2477         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2478         Remove a unneeded check for offset_base.
2479
2480 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2481
2482         * configure: Regenerated.
2483
2484 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2485
2486         * config/s390/s390.c (s390_call_save_register_used): Switch back
2487         to HARD_REGNO_NREGS.
2488
2489 2010-04-15  Richard Guenther  <rguenther@suse.de>
2490
2491         * alias.c (alias_set_subset_of): Handle alias-set zero
2492         child properly.
2493
2494 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2495             Julian Brown  <julian@codesourcery.com>
2496
2497         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2498         alternatives according to use of high and low regs.
2499         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2500         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2501         optimizing for size on Thumb-2.
2502
2503 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2504
2505         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2506
2507 2010-04-15  Richard Guenther  <rguenther@suse.de>
2508
2509         * tree-ssa-structalias.c (struct variable_info): Add
2510         is_fn_info flag.
2511         (new_var_info): Initialize it.
2512         (dump_constraints): Support printing last added constraints.
2513         (debug_constraints): Adjust.
2514         (dump_constraint_graph): Likewise.
2515         (make_heapvar_for): Check for NULL cfun.
2516         (get_function_part_constraint): New function.
2517         (get_fi_for_callee): Likewise.
2518         (find_func_aliases): Properly implement IPA PTA constraints.
2519         (process_ipa_clobber): New function.
2520         (find_func_clobbers): Likewise.
2521         (insert_into_field_list_sorted): Remove.
2522         (create_function_info_for): Properly allocate vars for IPA mode.
2523         Do not use insert_into_field_list_sorted.
2524         (create_variable_info_for): Properly generate constraints for
2525         global vars in IPA mode.
2526         (dump_solution_for_var): Always dump the solution.
2527         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2528         (find_what_var_points_to): Adjust.
2529         (pt_solution_set): Change.
2530         (pt_solution_ior_into): New function.
2531         (pt_solution_empty_p): Export.
2532         (pt_solution_includes_global): Adjust.
2533         (pt_solution_includes_1): Likewise.
2534         (pt_solutions_intersect_1): Likewise.
2535         (dump_sa_points_to_info): Check some invariants.
2536         (solve_constraints): Move constraint dumping ...
2537         (compute_points_to_sets): ... here.
2538         (ipa_pta_execute): ... and here.
2539         (compute_may_aliases): Do not re-compute points-to info
2540         locally if IPA info is available.
2541         (ipa_escaped_pt): New global var.
2542         (ipa_pta_execute): Properly implement IPA PTA.
2543         * tree-into-ssa.c (dump_decl_set): Support dumping
2544         decls not in referenced-vars.
2545         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2546         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2547         (dump_points_to_solution): Likewise.
2548         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2549         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2550         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2551         (copy_decl_to_var): Copy DECL_PT_UID.
2552         (copy_result_decl_to_var): Likewise.
2553         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2554         (copy_node_stat): Copy it.
2555         * tree.h (DECL_PT_UID): New macro.
2556         (SET_DECL_PT_UID): Likewise.
2557         (DECL_PT_UID_SET_P): Likewise.
2558         (struct tree_decl_minimal): Add pt_uid member.
2559         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2560         (pt_solution_empty_p): Declare.
2561         (pt_solution_set): Adjust.
2562         (ipa_escaped_pt): Declare.
2563         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2564         * gimple-pretty-print.c (pp_points_to_solution): New function.
2565         (dump_gimple_call): Dump call clobber/use information.
2566         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2567         * tree-pass.h (TDF_ALIAS): New dump option.
2568         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2569         * doc/invoke.texi (-fipa-pta): Update documentation.
2570
2571 2010-04-15  Richard Guenther  <rguenther@suse.de>
2572
2573         * Makefile.in (OBJS-common): Add gimple-fold.o.
2574         (gimple-fold.o): New rule.
2575         * tree.h (maybe_fold_offset_to_reference,
2576         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2577         prototypes ...
2578         * gimple.h: ... here.
2579         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2580         may_propagate_address_into_dereference): Move prototypes ...
2581         * gimple.h: ... here.
2582         * tree-ssa-ccp.c (get_symbol_constant_value,
2583         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2584         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2585         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2586         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2587         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2588         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2589         gimplify_and_update_call_from_tree): Move ...
2590         * gimple-fold.c: ... here.  New file.
2591         (ccp_fold_builtin): Rename to ...
2592         (gimple_fold_builtin): ... this.
2593         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2594
2595 2010-04-15  Richard Guenther  <rguenther@suse.de>
2596
2597         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2598         fit_double_type, force_fit_type_double, add_double_with_sign,
2599         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2600         lrotate_double, rrotate_double, div_and_round_double): Move ...
2601         * double-int.c: ... here.
2602         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2603         add_double, neg_double, mul_double_with_sign, mul_double,
2604         lshift_double, rshift_double, lrotate_double, rrotate_double,
2605         div_and_round_double): Move prototypes ...
2606         * double-int.h: ... here.
2607
2608 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2609
2610         PR target/43742
2611         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2612         matching constraints to ensure inputs match the output.
2613
2614 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2615
2616         PR target/43742
2617         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2618         in an input-only operand.
2619
2620 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2621
2622         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2623         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2624         (double_int_negative_p): Convert to static inline function.
2625         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2626         (double_int_negative_p): Remove.
2627         * tree.h (lshift_double, rshift_double):
2628         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2629         * fold-const.c (fold_convert_const_int_from_real,
2630         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2631         (lshift_double): Change type of arith argument to bool.
2632         (rshift_double): Change type of arith argument to bool. Correct
2633         comment.
2634         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2635
2636 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2637
2638         PR target/21803
2639         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2640         at the start and end of the then/else blocks, and omit them from the
2641         conversion.
2642         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2643         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2644         (flow_find_head_matching_sequence): New function.
2645         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2646         * basic-block.h (flow_find_cross_jump,
2647         flow_find_head_matching_sequence): Declare functions.
2648
2649 2010-04-14  Jason Merrill  <jason@redhat.com>
2650
2651         PR c++/36625
2652         * c-common.c (attribute_takes_identifier_p): New fn.
2653         * c-common.h: Declare it.
2654
2655 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2656
2657         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2658         splitter condition.
2659         (*udivmod<mode>4): Ditto.
2660
2661 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2662
2663         * config/i386/i386.md (maxmin_int): Rename code attribute from
2664         maxminiprefix and update all users.
2665         (maxmin_float): Ditto from maxminfprefix.
2666         (logic): Ditto from logicprefix.
2667         (absneg_mnemonic): Ditto from absnegprefix.
2668         * config/i386/mmx.md: Update all users of maxminiprefix,
2669         maxminfprefix and logicprefix for rename.
2670         * config/i386/sse.md: Ditto.
2671         * config/i386/sync.md (sync_<code><mode>): Update for
2672         logicprefix rename.
2673
2674 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2675
2676         PR 42966
2677         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2678         warnings converted to errors.
2679
2680 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2681
2682         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2683         used insn_type variable.
2684         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2685         to avoid set-but-not-used warning.
2686
2687 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2688
2689         * df-core.c (df_ref_debug): Change format string placeholder
2690         from 0x%x to %#x.
2691         * dwarf2asm.c (dw2_asm_output_data_raw,
2692         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2693         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2694         * dwarf2out.c (output_cfi, output_cfi_directive,
2695         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2696         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2697         Ditto.
2698         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2699         * print-rtl.c (print_rtx): Ditto.
2700
2701 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2702
2703         PR middle-end/42694
2704         * builtins.c (expand_builtin_pow_root): New function to expand pow
2705         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2706         series of sqrt and cbrt calls under -ffast-math.
2707         (expand_builtin_pow): Call it.
2708
2709 2010-04-14  Michael Matz  <matz@suse.de>
2710
2711         PR tree-optimization/42963
2712         * tree-cfg.c (touched_switch_bbs): New static variable.
2713         (group_case_labels_stmt): New function broken out from ...
2714         (group_case_labels): ... here, use the above.
2715         (start_recording_case_labels): Allocate touched_switch_bbs.
2716         (end_recording_case_labels): Deallocate it, call
2717         group_case_labels_stmt.
2718         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2719
2720 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2721
2722         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2723         from insn template.
2724
2725 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2726
2727         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2728
2729 2010-04-13  Jan Hubicka  <jh@suse.cz>
2730
2731         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2732         of optimized out static functions.
2733         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2734         cost computation.  Also sanity check for overflows.
2735         (update_caller_keys): Update cgraph_edge_badness call; properly
2736         update fibheap and sanity check that it is up to date.
2737         (add_new_edges_to_heap): Update cgraph_edge_badness.
2738         (cgraph_decide_inlining_of_small_function): Likewise;
2739         add sanity checking that badness in heap is up to date;
2740         improve dumping of reason; Update badness of calls to the
2741         offline copy of function currently inlined; dump badness
2742         of functions not inlined because of unit growth limits.
2743
2744 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2745
2746         PR middle-end/32628
2747         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2748         because of sign-extension change when converting to sizetype here...
2749         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2750
2751         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2752         the folding to constants.  Remove redundant final conversion.
2753         (fold_binary) <associate>: Do not associate if the re-association of
2754         constants alone overflows.
2755         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2756         to the end of the list.
2757         (multiple_of_p) <COND_EXPR>: New case.
2758
2759 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2760
2761         * opt-functions.awk (opt_sanitized_name): New.
2762         (opt_enum): New.
2763         * optc-gen.awk: Use it
2764         * opth-gen.awk: Use it.
2765
2766 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2767
2768         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2769         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2770         children.  Call replace_uses_with_default_def_ssa_name to handle
2771         SSA_NAES on lhs.
2772
2773 2010-04-13  Michael Matz  <matz@suse.de>
2774
2775         PR middle-end/43730
2776         * builtins.c (expand_builtin_interclass_mathfn): Also create
2777         a register if the predicate doesn't match.
2778
2779 2010-04-13  Diego Novillo  <dnovillo@google.com>
2780
2781         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2782         * c-pch.c: Include timevar.h.
2783         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2784         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2785         * ggc-common.c: Include timevar.h.
2786         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2787         * timevar.def (TV_PCH_SAVE): Define.
2788         (TV_PCH_CPP_SAVE): Define.
2789         (TV_PCH_PTR_REALLOC): Define.
2790         (TV_PCH_PTR_SORT): Define.
2791         (TV_PCH_RESTORE): Define.
2792         (TV_PCH_CPP_RESTORE): Define.
2793
2794 2010-04-13  Michael Matz  <matz@suse.de>
2795
2796         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2797         into MINUS_EXPRs.
2798         (can_reassociate_p): New function.
2799         (break_up_subtract_bb, reassociate_bb): Use it.
2800
2801 2010-04-13  Richard Guenther  <rguenther@suse.de>
2802
2803         PR bootstrap/43737
2804         * builtins.c (c_readstr): Fix assert.
2805
2806 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2807
2808         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2809         when generating cltd insn.
2810
2811         (*ashl<mode>3_1): Remove special handling for register operand 2.
2812         (*ashlsi3_1_zext): Ditto.
2813         (*ashlhi3_1): Ditto.
2814         (*ashlhi3_1_lea): Ditto.
2815         (*ashlqi3_1): Ditto.
2816         (*ashlqi3_1_lea): Ditto.
2817         (*<shiftrt_insn><mode>3_1): Ditto.
2818         (*<shiftrt_insn>si3_1_zext): Ditto.
2819         (*<shiftrt_insn>qi3_1_slp): Ditto.
2820         (*<rotate_insn><mode>3_1): Ditto.
2821         (*<rotate_insn>si3_1_zext): Ditto.
2822         (*<rotate_insn>qi3_1_slp): Ditto.
2823
2824 2010-04-13  Richard Guenther  <rguenther@suse.de>
2825
2826         * tree-ssa-structalias.c (callused_id): Remove.
2827         (call_stmt_vars): New.
2828         (get_call_vi): Likewise.
2829         (lookup_call_use_vi): Likewise.
2830         (lookup_call_clobber_vi): Likewise.
2831         (get_call_use_vi): Likewise.
2832         (get_call_clobber_vi): Likewise.
2833         (make_transitive_closure_constraints): Likewise.
2834         (handle_const_call): Adjust to do per-call call-used handling.
2835         (handle_pure_call): Likewise.
2836         (find_what_var_points_to): Remove general callused handling.
2837         (init_base_vars): Likewise.
2838         (init_alias_vars): Initialize call_stmt_vars.
2839         (compute_points_to_sets): Process call-used and call-clobbered
2840         vars for call statements.
2841         (delete_points_to_sets): Free call_stmt_vars.
2842
2843 2010-04-13  Richard Guenther  <rguenther@suse.de>
2844
2845         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2846         Only add RW dependence for dependence distance zero.
2847         Adjust maximal vectorization factor according to dependences.
2848         Move alignment handling ...
2849         (vect_find_same_alignment_drs): ... here.  New function.
2850         (vect_analyze_data_ref_dependences): Adjust.
2851         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2852         (vect_analyze_data_refs): Adjust minimal vectorization factor
2853         according to data references.
2854         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2855         dependences before determining the vectorization factor.
2856         Analyze alignment after determining the vectorization factor.
2857         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2858         dependences before alignment.
2859         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2860         Adjust prototype.
2861         (vect_analyze_data_refs): Likewise.
2862         (MAX_VECTORIZATION_FACTOR): New define.
2863
2864 2010-04-13  Duncan Sands  <baldrick@free.fr>
2865
2866         * except.h (lang_eh_type_covers): Remove.
2867         * except.c (lang_eh_type_covers): Likewise.
2868
2869 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2870             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2871
2872         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2873         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2874         UNITS_PER_LONG where it is ABI relevant.
2875         (s390_return_addr_rtx): Likewise.
2876         (s390_back_chain_rtx): Likewise.
2877         (s390_frame_area): Likewise.
2878         (s390_frame_info): Likewise.
2879         (s390_initial_elimination_offset): Likewise.
2880         (save_gprs): Likewise.
2881         (s390_emit_prologue): Likewise.
2882         (s390_emit_epilogue): Likewise.
2883         (s390_function_arg_advance): Likewise.
2884         (s390_function_arg): Likewise.
2885         (s390_va_start): Likewise.
2886         (s390_gimplify_va_arg): Likewise.
2887         (s390_function_profiler): Likewise.
2888         (s390_optimize_prologue): Likewise.
2889         (s390_rtx_costs): Likewise.
2890         (s390_secondary_reload): Likewise.
2891         (s390_promote_function_mode): Likewise.
2892         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2893         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2894         registers available.
2895         (s390_unwind_word_mode): New function.
2896         (s390_function_value): Split 64 bit values into register pair if
2897         used as return value.
2898         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2899         function call parameters.  Handle parallels.
2900         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2901         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2902         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2903         (s390_expand_setmem): Remove unused variable src_addr.
2904         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2905         deal with 64 bit registers.
2906         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2907         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2908         (UNITS_PER_LONG): New macro.
2909         * libjava/include/s390-signal.h: Define extended ucontext
2910         structure containing the upper halfs of the 64 bit registers.
2911
2912 2010-04-13  Simon Baldwin  <simonb@google.com>
2913
2914         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2915
2916 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2917
2918         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2919         rvalue on the RHS if the LHS is of a non-renamable type.
2920         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2921
2922 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2923
2924         * gcc.c (cc1_options): Handle -iplugindir before processing
2925         the cc1 spec. Only add -iplugindir once.
2926         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2927         found.
2928         * common.opt (iplugindir): Remove `Separate' property, initialize.
2929         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2930         option.
2931         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2932         (distclean): Remove plugin dir.
2933         * doc/invoke.texi: Document -iplugindir.
2934
2935 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2936
2937         * doc/plugins.texi (Loading Plugins): Document short
2938         -fplugin=foo option.
2939         (Plugin API): Mention default_plugin_dir_name function.
2940
2941         * gcc.c (find_file_spec_function): Add new declaration.
2942         (static_spec_func): Use it for "find-file".
2943         (find_file_spec_function): Add new function.
2944         (cc1_options): Add -iplugindir option if -fplugin* options found.
2945
2946         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2947
2948         * plugin.c (add_new_plugin): Updated comment, and handle short
2949         plugin name.
2950         (default_plugin_dir_name): Added new function.
2951
2952         * common.opt (iplugindir): New option to set the plugin directory.
2953
2954 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2955
2956         * config/i386/i386.md (any_rotate): New code iterator.
2957         (rotate_insn): New code attribute.
2958         (rotate): Ditto.
2959         (SWIM124): New mode iterator.
2960         (<rotate_insn>ti3): New expander.
2961         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2962         any_rotate code iterator.
2963         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2964         using any_rotate code iterator and SWIM124 mode iterator.
2965         (ix86_rotlti3): New insn_and_split pattern.
2966         (ix86_rotrti3): Ditto.
2967         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2968         ix86_rotl{di,ti}3 patterns.
2969         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2970         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2971         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2972         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2973         code iterator and SWI mode iterator.
2974         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2975         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2976         code iterator.
2977         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2978         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2979         (bswap rotatert splitter): Add splitter.
2980         (bswap splitter): Macroize splitter using any_rotate code iterator.
2981         Add insn predicate to split only for TARGET_USE_XCHGB or when
2982         optimizing function for size.
2983
2984 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2985
2986         * config/pa/pa.c (emit_move_sequence): Remove use of
2987         deleted variable flag_argument_noalias.
2988
2989 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2990
2991         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2992         configurations.
2993         Add to unsupported targets list.
2994         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2995         sparc*-sun-solaris2.[567]* from target lists.
2996         * configure: Regenerate.
2997         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2998         removal.
2999         Remove Solaris 7 patch references.
3000         (Specific, sparc-sun-solaris2.7): Removed.
3001         (sparc-sun-solaris2*): Update Solaris 7 example.
3002         (sparc64-*-solaris2*): Likewise.
3003
3004 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3005
3006         * config.build (alpha*-dec-osf4*): Remove.
3007         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
3008         of obsolete configurations.
3009         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
3010         support.
3011         * config/alpha/t-osf4: Renamed to ...
3012         * config/alpha/t-osf5: ... this.
3013         * config/alpha/osf.h: Renamed to ...
3014         * config/alpha/osf5.h: ... this.
3015         Merged old osf5.h contents.
3016         Update comments.
3017         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
3018         (EXTRA_SPECS): Removed.
3019         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
3020         reflect removal of Tru64 UNIX V4.0/V5.0 support.
3021         Document that.
3022
3023 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3024
3025         * doc/contrib.texi (Contributors, Rainer Orth): Update.
3026
3027 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
3028
3029         PR/43702
3030         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
3031         __thiscall convention.
3032
3033 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3034
3035         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
3036         orig_base.
3037         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
3038
3039 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
3040
3041         * function.c (assign_parms_initialize_all): Add unused attribute
3042         to fntype.
3043
3044 2010-04-12  Richard Guenther  <rguenther@suse.de>
3045
3046         * gsstruct.def (GSS_CALL): New.
3047         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
3048         * gimple.h: Include tree-ssa-alias.h.
3049         (struct gimple_statement_call): New.
3050         (union gimple_statement_struct_d): Add gimple_call member.
3051         (gimple_call_reset_alias_info): Declare.
3052         (gimple_call_use_set): New function.
3053         (gimple_call_clobber_set): Likewise.
3054         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
3055         * gimple.c (gimple_call_reset_alias_info): New function.
3056         (gimple_build_call_1): Call it.
3057         * lto-streamer-in.c (input_gimple_stmt): Likewise.
3058         * tree-inline.c (remap_gimple_stmt): Likewise.
3059         (expand_call_inline): Remove callused handling.
3060         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
3061         * tree-dfa.c (dump_variable): Likewise.
3062         * tree-parloops.c (parallelize_loops): Likewise.
3063         * tree-ssa.c (init_tree_ssa): Likewise.
3064         (delete_tree_ssa): Likewise.
3065         * tree-flow-inline.h (is_call_used): Remove.
3066         * tree-flow.h (struct gimple_df): Remove callused member.
3067         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
3068         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
3069         (ref_maybe_used_by_call_p_1): Simplify.
3070         (call_may_clobber_ref_p_1): Likewise.
3071         * tree-ssa-structalias.c (compute_points_to_sets): Set
3072         the call stmt used and clobbered sets.
3073         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
3074         (find_tail_calls): Verify the tail call.
3075
3076 2010-04-12  Richard Guenther  <rguenther@suse.de>
3077
3078         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
3079         single-iteration always-inline inlining.
3080         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
3081         (cgraph_decide_inlining): Do not handle always-inline specially.
3082         (try_inline): Remove always-inline cycle detection special case.
3083         Do not recurse on always-inlines.
3084         (cgraph_early_inlining): Do not iterate if not optimizing.
3085         (cgraph_gate_early_inlining): remove.
3086         (pass_early_inline): Run unconditionally.
3087         (gate_cgraph_decide_inlining): New function.
3088         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
3089         not inlining or optimizing.
3090         (cgraph_decide_inlining_of_small_functions): Also consider
3091         always-inline functions.
3092         (cgraph_default_inline_p): Return true for nodes which should
3093         disregard inline limits.
3094         (estimate_function_body_sizes): Assume zero size and time for
3095         nodes which are marked as disregarding inline limits.
3096         (cgraph_decide_recursive_inlining): Do not perform recursive
3097         inlining on always-inline nodes.
3098
3099 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
3100
3101         PR bootstrap/43699
3102         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
3103         for exprs satisfying handled_component_p.
3104
3105 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
3106
3107         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
3108         non-constant aggregate elements.
3109
3110         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
3111         is a real initialization.
3112
3113 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
3114
3115         PR c/36774
3116         * c-decl.c (start_function): Move forward check for nested function.
3117
3118 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3119
3120         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
3121         * config/sh/sh.c: Include reload.h.
3122         (sh_legitimize_reload_address): New.
3123         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
3124         sh_legitimize_reload_address.
3125
3126 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
3127
3128         * config/sh/sh.md (*movqi_pop): New insn pattern.
3129         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
3130
3131 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3132
3133         * config/i386/i386.md (any_shiftrt): New code iterator.
3134         (shiftrt_insn): New code attribute.
3135         (shiftrt): Ditto.
3136         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
3137         using any_shiftrt code iterator.
3138         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
3139         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
3140         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
3141         pattern from corresponding peephole2 patterns.
3142         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
3143         using any_shiftrt code iterator.
3144         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
3145         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
3146         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
3147         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
3148         *{ashr,lshr}<mode>3_cmp_zext.
3149         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
3150
3151 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3152
3153         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
3154         scratch register.
3155         (*lshr<mode>3_cconly): Ditto.
3156
3157 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
3158
3159         * config/i386/i386.md (lshr<mode>3): Macroize expander from
3160         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3161         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3162         pattern from *lshr{di,ti}3_1 and corresponding splitters using
3163         DWI mode iterator.
3164         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3165         from corresponding peephole2 patterns.
3166         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
3167         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
3168         and *lshrdi3_1_rex64 using SWI mode iterator.
3169         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
3170         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
3171         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
3172         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
3173         and *lshrdi3_cmp_rex64 using SWI mode iterator.
3174         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
3175         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
3176         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
3177         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
3178         SWI mode iterator.
3179
3180 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
3181
3182         * config/i386/i386.md (ashr<mode>3): Macroize expander from
3183         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
3184         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3185         pattern from *ashr{di,ti}3_1 and corresponding splitters using
3186         DWI mode iterator.
3187         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
3188         from corresponding peephole2 patterns.
3189         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
3190         (ashrsi3_cvt): Rename from ashrsi3_31.
3191         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
3192         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
3193         and x86_64_shift_adj_3 using SWI48 mode iterator.
3194         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
3195         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
3196         and *ashrdi3_1_rex64 using SWI mode iterator.
3197         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
3198         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
3199         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
3200         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
3201         and *ashrdi3_cmp_rex64 using SWI mode iterator.
3202         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
3203         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
3204         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
3205         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
3206         SWI mode iterator.
3207         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
3208         * config/i386/i386.c (ix86_split_ashr): Update for renamed
3209         x86_shift<mode>_adj_3 expanders.
3210
3211 2010-04-10  Wei Guozhi  <carrot@google.com>
3212
3213         PR target/42601
3214         * config/arm/arm.c (arm_pic_static_addr): New function.
3215         (legitimize_pic_address): Call arm_pic_static_addr when it detects
3216         a static symbol.
3217         (arm_output_addr_const_extra): Output expression for new pattern.
3218         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3219
3220 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
3221
3222         * ira-costs.c (record_reg_classes): Ignore alternatives that are
3223         not enabled.
3224
3225         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3226         * web.c: Include "insn-config.h" and "recog.h".
3227         (union_match_dups): New function.
3228         (web_main): Call it.
3229         (union_defs): Don't try to recognize match_dups.
3230
3231         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3232         if doing so would replace the entire pattern.
3233
3234 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3235
3236         PR target/43707
3237         PR target/43709
3238         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3239         and splitter pattern.  Change splitter operand 1 predicate to
3240         nonmemory_operand.
3241
3242 2010-04-09  Martin Jambor  <mjambor@suse.cz>
3243
3244         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3245         lattices are addresses of CONST_DECLs with the same initial value.
3246         (ipcp_print_all_lattices): Print values of CONST_DECLs.
3247         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3248
3249 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
3250             Bernd Schmidt  <bernds@codesourcery.com>
3251
3252         * loop-invariant.c (replace_uses): New static function.
3253         (move_invariant_reg): Use it to ensure we can replace the uses.
3254
3255 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
3256
3257         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3258         function template.
3259         (picochip_override_options): Enable section anchors only above -O1.
3260         (picochip_reorg): Fixed a couple of build warnings.
3261
3262 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3263
3264         * configure.ac (plugin -rdynamic test): Log result.
3265         * configure: Regenerate.
3266         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3267         (RDYNAMIC_SPEC): Define.
3268         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3269
3270 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3271
3272         * configure.ac: Determine Sun ld version numbers.
3273         (comdat_group): Restrict GNU ld version checks to gld.
3274         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3275         (enable_comdat): Support --enable-comdat.
3276         * configure: Regenerate.
3277         * doc/install.texi (Configuration): Document --enable-comdat.
3278
3279 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3280
3281         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
3282         * config/sol2-gld.h: ... here.
3283         * config.gcc (sparc*-*-solaris2*): Reflect this.
3284         (i[34567]86-*-solaris2*): Use it.
3285
3286 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
3287
3288         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3289         setup_clocks_p.
3290         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3291
3292 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3293
3294         PR 42965
3295         * diagnostic.c (diagnostic_initialize): Initialize
3296         some_warnings_are_errors.
3297         (diagnostic_finish): New.
3298         (diagnostic_action_after_output): Call it before exiting.
3299         (diagnostic_report_diagnostic): Do not print message here. Set
3300         some_warnings_are_errors.
3301         * diagnostic.h (diagnostic_context): Delete
3302         issue_warnings_are_errors_message. Add some_warnings_are_errors.
3303         (diagnostic_finish): Declare.
3304         * toplev.c (toplev_main): Call it before exit.
3305
3306 2010-04-09  Jason Merrill  <jason@redhat.com>
3307
3308         PR c++/42623
3309         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3310         for incomplete type.
3311
3312         PR c++/41788
3313         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3314         based on a warning flag.
3315
3316 2010-04-09  Richard Guenther  <rguenther@suse.de>
3317
3318         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3319
3320 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
3321
3322         PR bootstrap/43684
3323         * varasm.c (default_assemble_visibility): Wrap vars that are
3324         set, but unused, by targets without GAS.
3325         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3326         Remove set, but unused, vars.
3327         (rs6000_legitimize_tls_address): Likewise.
3328         (altivec_expand_dst_builtin): Likewise.
3329         * config/darwin.c (machopic_classify_symbol): Likewise.
3330         (machopic_indirection_name): Likewise.
3331
3332 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3333
3334         * config/i386/i386.md (DWI): New mode iterator.
3335         (S): New mode attribute.
3336         (shift_operand): Ditto.
3337         (shift_immediate_operand): Ditto.
3338         (ashl_input_operand): Ditto.
3339         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3340         using SDWIM mode iterator.
3341         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3342         pattern from *ashl{di,ti}3_1 and corresponding splitters using
3343         DWI mode iterator.
3344         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3345         from corresponding peephole2 patterns.
3346         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3347         and x86_64_shift_adj_1 using SWI48 mode iterator.
3348         (x86_shift<mode>_adj_2): Ditto.
3349         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3350         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3351         using SWI48 mode iterator.
3352         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3353         *ashldi3_cmp_rex64 using SWI mode iterator.
3354         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3355         *ashldi3_cconly_rex64 using SWI mode iterator.
3356         * config/i386/i386.c (ix86_split_ashl): Update for renamed
3357         x86_shift<mode>_adj_{1,2}.
3358         (ix86_split_ashr): Ditto.
3359         (ix86_split_lshr): Ditto.
3360
3361 2010-04-09  Richard Guenther  <rguenther@suse.de>
3362
3363         * target.h (builtin_conversion): Pass in input and output types.
3364         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3365         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3366         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3367         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3368
3369         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3370         Handle AVX modes.
3371         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3372
3373 2010-04-09  Richard Guenther  <rguenther@suse.de>
3374
3375         PR target/43152
3376         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3377
3378 2010-04-09  Richard Guenther  <rguenther@suse.de>
3379
3380         * tree-vectorizer.h (struct _stmt_vec_info): Document
3381         that vectype is the type of the LHS.
3382         (supportable_widening_operation, supportable_narrowing_operation):
3383         Get both input and output vector types as arguments.
3384         (vect_is_simple_use_1): Declare.
3385         (get_same_sized_vectype): Likewise.
3386         * tree-vect-loop.c (vect_determine_vectorization_factor):
3387         Set STMT_VINFO_VECTYPE to the vector type of the def.
3388         (vectorizable_reduction): Adjust.
3389         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3390         Adjust.  Specify the output vector type.
3391         (vect_pattern_recog_1): Adjust.
3392         * tree-vect-stmts.c (get_same_sized_vectype): New function.
3393         (vectorizable_call): Adjust.
3394         (vectorizable_conversion): Likewise.
3395         (vectorizable_operation): Likewise.
3396         (vectorizable_type_demotion): Likewise.
3397         (vectorizable_type_promotion): Likewise.
3398         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3399         the def.
3400         (vect_is_simple_use_1): New function.
3401         (supportable_widening_operation): Get both input and output
3402         vector types.
3403         (supportable_narrowing_operation): Likewise.
3404         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3405
3406 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
3407
3408         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3409         __thiscall and _thiscall as predefined macros.
3410         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3411         thiscall attribute handling.
3412         (ix86_comp_type_attributes): Likewise.
3413         (ix86_function_regparm): Likewise.
3414         (ix86_return_pops_args): Likewise.
3415         (init_cumulative_args): Likewise.
3416         (find_drap_reg): Likewise.
3417         (ix86_static_chain): Likewise.
3418         (x86_this_parameter): Likewise.
3419         (x86_output_mi_thunk): Likewise.
3420         (ix86_attribute_table): Add description for thiscall attribute.
3421         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3422         * doc/extend.texi: Add documentation for thiscall.
3423
3424 2010-04-09  Manuel López