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1 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
2
3         * config/m68k/uclinux.h (LIB_SPEC): Bring in sync with config/linux.h.
4
5 2010-05-06  Jan Hubicka  <jh@suse.cz>
6
7         PR tree-optimization/43791
8         * ipa-inline.c (update_caller_keys): Remove bogus
9         disregard_inline_limits check.
10
11 2010-05-06  Michael Matz  <matz@suse.de>
12
13         PR tree-optimization/43984
14         * tree-ssa-pre.c (inserted_phi_names): Remove.
15         (inserted_exprs): Change to bitmap.
16         (create_expression_by_pieces): Set bits, don't append to vector.
17         (insert_into_preds_of_block): Don't handle inserted_phi_names.
18         (eliminate): Don't look at inserted_phi_names, remove deleted
19         insns from inserted_exprs.
20         (remove_dead_inserted_code): Adjust to use bitmaps instead of
21         vectors.
22         (init_pre, fini_pre): Allocate and free bitmaps.
23         (execute_pre): Insert insns on edges before elimination.
24
25 2010-05-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
26
27         * tree.c (initializer_zerop): Handle STRING_CST.
28
29 2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>
30
31         PR 40989
32         * doc/invoke.texi (Wimplicit): Document as C only.
33         * opts.c (common_handle_option): Add argument kind.
34         (handle_option): Rename as read_cmdline_option. Factor out code to...
35         (handle_option): ... here. New.
36         (handle_options): Rename as read_cmdline_options.
37         (decode_options): Update call.
38         (set_option): Use option index instead of option pointer. Classify
39         diagnostics correctly.
40         (enable_warning_as_error): Call handle_option.
41         * opts.h (set_option): Update declaration.
42         (handle_option): Declare.
43         * langhooks.h (struct lang_hooks): Add argument kind to
44         handle_option.
45         * c.opt (Wimplicit,Wimplicit-int): Initialize to -1.
46         * c-opts.c (set_Wimplicit): Delete.
47         (c_family_lang_mask): New static constant.
48         (c_common_handle_option): Add argument kind. Use handle_option
49         instead of set_Wimplicit.
50         (c_common_post_options): warn_implicit and warn_implicit_int
51         are disabled by default.
52         * c-common.c (warn_implicit): Do not define here.
53         * c-common.h (warn_implicit): Do not declare here.
54         (c_common_handle_option): Update declaration.
55         * lto-opts.c (lto_reissue_options): Update call to set_option.
56
57 2010-05-06  Richard Guenther  <rguenther@suse.de>
58
59         PR tree-optimization/43571
60         * domwalk.c (walk_dominator_tree): Walk the dominator
61         sons in more optimal order.
62
63 2010-05-06  Richard Guenther  <rguenther@suse.de>
64
65         PR tree-optimization/43934
66         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
67         (stmt_cost): Likewise.
68         (extract_true_false_args_from_phi): New helper.
69         (determine_max_movement): For PHI nodes verify we can hoist them
70         and compute their cost.
71         (determine_invariantness_stmt): Handle PHI nodes.
72         (move_computations_stmt): Likewise.  Hoist PHI nodes in
73         if-converted form using COND_EXPRs.
74         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI
75         nodes.
76         (tree_ssa_lim): Likewise.
77         * tree-flow.h (tree_ssa_lim): Adjust prototype.
78         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
79
80 2010-05-06  Richard Guenther  <rguenther@suse.de>
81
82         PR tree-optimization/43987
83         * tree-ssa-structalias.c (could_have_pointers): For possibly
84         address-taken variables force pointers to be recorded.
85         (create_variable_info_for_1): Likewise.
86         (push_fields_onto_fieldstack): Pass in wheter all fields
87         must have pointers.
88         (find_func_aliases): Query types instead of vars whether
89         they contain pointers where appropriate.
90
91 2010-05-06  Jan Hubicka  <jh@suse.cz>
92
93         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
94         (record_reference, mark_address, mark_load, mark_store): Record
95         references.
96         (record_references_in_initializer): Update call of record_references.
97         (rebuild_cgraph_edges): Remove all references before rebuiding.
98         * cgraph.c (cgraph_create_node): Clear ref list.
99         (cgraph_remove_node): Remove references.
100         (dump_cgraph_node): Dump references.
101         (cgraph_clone_node): Clone references.
102         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
103         (struct cgraph_node, varpool_node): Add ref_lst.
104         * ipa-ref.c: New file.
105         * ipa-ref.h: New file.
106         * ipa-ref-inline.h: New file.
107         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
108         (referenced_from_other_partition_p): New function.
109         (lto_output_varpool_node): Take set arugment; call
110         referenced_from_other_partition.
111         (lto_output_ref): New.
112         (add_references): New.
113         (output_refs): New.
114         (output_cgraph): Compute boundary based on references;
115         output refs.
116         (output_varpool): Accept cgraph_node_set argument.
117         (input_ref): New.
118         (input_refs): New.
119         (input_cgraph): Call input_refs.
120         * lto-section-in.c (lto_section_name): Add refs.
121         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
122         (ipa-ref.o): New file.
123         * varpool.c (varpool_node): Clear ipa ref list.
124         (varpool_remove_node): Remove references.
125         (dump_varpool_node): Dump references.
126         (varpool_assemble_decl): Only compile finalized ones.
127         (varpool_extra_name_alias): Initialize ref list.
128         * lto-streamer.c (lto-get_section_name): Add .refs section.
129         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
130         (referenced_from_other_partition_p): Declared.
131
132 2010-05-06  Ira Rosen  <irar@il.ibm.com>
133
134         PR tree-optimization/43901
135         * tree-vect-stmts.c (vectorizable_call): Assert that vector
136         type is not NULL if it's transformation phase, and return
137         FALSE if it's analysis.
138         (vectorizable_conversion, vectorizable_operation, 
139         vectorizable_type_demotion, vectorizable_type_promotion):
140         Likewise.
141
142 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
143
144         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
145         Delete.
146         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
147         New define.
148         * config/mips/mips-protos.h
149         (mips_small_register_classes_for_mode_p): Delete prototype.
150
151 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
152
153         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
154         * config/arm/arm.c (multiple_operation_profitable_p,
155         compute_offset_order): New static functions.
156         (load_multiple_sequence, store_multiple_sequence): Use them.
157         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
158         memory offsets, not register numbers.
159         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
160
161 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
162
163         * stor-layout.c (pending_sizes): Change the type to
164         VEC(tree,gc) *.
165         (get_pending_sizes, put_pending_size, put_pending_sizes):
166         Update the uses of pending_sizes.
167         * c-decl.c (store_parm_decls): Likewise.
168         * c-tree.h (struct c_arg_info): Likewise.
169         * tree.h: Update the prototype for get_pending_sizes and
170         put_pending_sizes.
171
172 2010-05-05  Jason Merrill  <jason@redhat.com>
173
174         PR debug/43370
175         * c-common.c (handle_aligned_attribute): Respect
176         ATTR_FLAG_TYPE_IN_PLACE.
177
178         PR testsuite/43758
179         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
180         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
181         (TARGET_INITIALIZER): Use it.
182         * c-common.c (attribute_takes_identifier_p): Call it.
183         * c-common.h: Update prototype.
184         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
185         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
186
187 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
188
189         PR debug/43950
190         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
191         DW_ID_down_case for Fortran compilation units.
192
193 2010-05-05  Jan Hubicka  <jh@suse.cz>
194
195         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
196         handle aliases.
197
198 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
199
200         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
201         a variable-sized RESULT_DECL.
202
203 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
204
205         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
206
207 2010-05-05  Jason Merrill  <jason@redhat.com>
208
209         PR c++/43787
210         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
211         returns GS_OK.
212         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
213
214 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
215             Jakub Jelinek  <jakub@redhat.com>
216
217         PR debug/43478
218         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
219         (dead_debug_init, dead_debug_finish): New functions.
220         (dead_debug_add, dead_debug_insert_before): Likewise.
221         (df_note_bb_compute): Initialize a dead_debug object, add dead
222         debug uses to it, insert debug bind insns before death insns,
223         reset debug insns that refer to pending uses at the end.
224         * rtl.h (make_debug_expr_from_rtl): New prototype.
225         * varasm.c (make_debug_expr_from_rtl): New function.
226
227 2010-05-05  Jan Hubicka  <jh@suse.cz>
228
229         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
230         (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
231         lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
232         lto_varpool_encoder_encode_initializer_p,
233         lto_set_varpool_encoder_encode_initializer): New functions.
234         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
235         call output_varpool.
236         (input_varpool_node): Do not always set analyzed.
237         (input_cgraph_1): Return vector of cgraph nodes.
238         (input_varpool_1): Return vector of varpools.
239         (input_cgraph): Free the vectors.
240         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
241         output only initializers needed.
242         (lto_output): Only call output_cgraph.
243         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
244         * lto-section-out.c (lto_new_out_decl_state): Initialize
245         state->varpool_node_encoder.
246         * lto-streamer.h (lto_varpool_encoder_d): New.
247         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.     
248         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
249         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
250         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
251         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
252         Declare.
253         (output_varpool, input_varpool): Remove declarations.
254
255 2010-05-05  Jan Hubicka  <jh@suse.cz>
256
257         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
258         with body can prevail.
259
260 2010-05-05  Jan Hubicka  <jh@suse.cz>
261
262         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
263         size.
264
265 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
266
267         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
268         dependencies.
269
270         * gengtype.h (erro_at_line): Constify pos argument.
271
272         * gengtype.c: Include hashtab.h.
273         (enum gc_used): Document GC_MAYBE_POINTED_TO.
274         (error_at_line): Constify pos argument.
275         (do_typedef): Initialize p->opt field.
276         (get_file_gtfilename): Fix comment typo.
277         (struct walk_type_data): Constify line field.
278         (get_output_file_for_structure): New function.
279         (write_local_func_for_structure): Constify orig_s argument.
280         Use get_output_file_for_structure.
281         (write_func_for_structure): Use get_output_file_for_structure.
282         (INDENT): New define.
283         (dump_pair, dump_type, dump_type_list, dump_typekind)
284         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
285         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
286         functions.
287         (seen_types): New variable.
288         (main): New variable do_dump.  Process "-d" command line option.
289         Call dump_everything if dump requested.
290
291 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
292
293         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
294         in a temporary instead of invoking the macro multiple times.
295         (track_expr_p): Likewise.
296
297 2010-05-04  Neil Vachharajani <nvachhar@google.com>
298
299         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
300         per new semantics.
301         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
302         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
303         conditions for printing notes.
304         * common.opt (-Wcoverage-mismatch): Allow negative, default to
305         true, update documentation.
306         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
307
308 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
309
310         PR c/43981
311         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
312         on dimen.
313
314 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
315
316         PR target/43799
317         * config/i386/i386.md (sse_prologue_save): Add clobber CC
318         register.
319         (*sse_prologue_save_insn1): Likewise.
320         (SSE prologue save splitter): Likewise.
321
322 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
323
324         * tree.c (free_lang_data_in_one_sizepos): New inline function.
325         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
326         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
327         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
328         all decls.  Call it on DECL_FIELD_OFFSET of fields.
329         (find_decls_types_r): Follow DECL_VALUE_EXPR.
330         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
331
332 2010-05-04  Martin Jambor  <mjambor@suse.cz>
333
334         * tree-sra.c (build_access_from_expr_1): The first parameter type
335         changed to simple tree.
336         (build_access_from_expr): Likewise, gsi parameter was eliminated.
337         (scan_assign_result): Renamed to assignment_mod_result, enum elements
338         renamed as well.
339         (build_accesses_from_assign): Removed all parameters except for a
340         simple gimple statement.  Now returns a simple bool.
341         (scan_function): All non-analysis parts moved to separate functions
342         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
343         parameters and updated both callers.
344         (sra_modify_expr): Removed parameter data.
345         (sra_modify_function_body): New function.
346         (perform_intra_sra): Call sra_modify_function_body to modify the
347         function body.
348         (replace_removed_params_ssa_names): Parameter data changed into
349         adjustments vector.
350         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
351         changed the parameter dont_convert to convert with the opposite
352         meaning.
353         (sra_ipa_modify_assign): Parameter data changed into adjustments
354         vector, return value changed to bool.
355         (ipa_sra_modify_function_body): New function.
356         (sra_ipa_reset_debug_stmts): Updated a comment.
357         (modify_function): Use ipa_sra_modify_function_body to modify function
358         body.
359
360 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
361
362         PR middle-end/43671
363         * alias.c (true_dependence): Handle the same VALUE in x and mem.
364         (canon_true_dependence): Likewise.
365         (write_dependence_p): Likewise.
366
367 2010-05-04  Jan Hubicka  <jh@suse.cz>
368
369         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
370         * cgraphbuild.c: Include ipa-utils.h
371         (record_reference_ctx): New struct.
372         (record_reference): Simplify to work on initializers; not statements.
373         (mark_address, mark_load, mark_store): New.
374         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
375         walk PHI nodes too.
376         (record_references_in_initializer): Update use of record_reference.
377         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
378         walk PHI nodes too.
379
380 2010-05-04  Jan Hubicka  <jh@suse.cz>
381
382         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
383         node will be removed anyway.
384         (lto_varpool_replace_node): Allow also unanalyzed nodes;
385         relink aliases of node into prevailing node.
386         * varpool.c (varpool_remove_node): Remove aliases properly;
387         when removing node, remove all its aliases too; remove DECL_INITIAL
388         of removed node; ggc_free the varpool node.
389
390 2010-05-04  Richard Guenther  <rguenther@suse.de>
391
392         PR tree-optimization/43879
393         * tree-ssa-structalias.c (alias_get_name): Use
394         DECL_ASSEMBLER_NAME if available.
395         (create_function_info_for): Return the varinfo node.
396         (ipa_pta_execute): Associate same-body aliases and extra names
397         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
398
399 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
400
401         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
402         static.
403
404 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
405
406         PR bootstrap/43964
407         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
408         only if HONOR_REG_ALLOC_ORDER is not defined.
409
410 2010-05-04  Richard Guenther  <rguenther@suse.de>
411
412         PR tree-optimization/43949
413         * tree-vrp.c (extract_range_from_binary_expr): Only handle
414         TRUNC_MOD_EXPR.
415
416 2010-04-26  Jason Merrill  <jason@redhat.com>
417
418         * c.opt (-fstrict-enums): New.
419         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
420
421 2010-05-03  David Ung <davidu@mips.com>
422             James E. Wilson  <wilson@codesourcery.com>
423
424         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
425         emit the trap instruction before the divide for TUNE_74K.
426
427 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
428
429         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
430         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
431         based on the above, for new target hook.
432
433         * hooks.c (hook_bool_mode_true): New generic hook.
434         * hooks.h (hook_bool_mode_true): Add prototype.
435
436         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
437         target hook.
438         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
439         target hook, set to hook_bool_mode_false.
440         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
441         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
442         with targetm.small_register_classes_for_mode_p.
443         (find_reusable_reload): Likewise.
444         (combine_reloads): Likewise.
445         * reload1.c (reload_as_needed): Likewise.
446         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
447         * ifcvt.c (noce_process_if_block, check_cond_move_block,
448         dead_or_predicable): Likewise.
449         * regmove.c (optimize_reg_copy_1): Likewise.
450         * calls.c (prepare_call_address): Likewise.
451         (precompute_register_parameters): Likewise.
452
453         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
454         hook definition.
455         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
456         implementation of the hook that considers all register classes
457         small except for SH64.
458         (sh_override_options): Use the new hook.
459         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
460         Add prototype.
461
462         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
463         hook definition.
464         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
465         implementation of the hook that considers all register classes
466         small for THUMB1.
467         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
468         Add prototype.
469
470         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
471         hook definition.
472         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
473         implementation of the hook that considers all register classes
474         small for MIPS16.
475         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
476         Add prototype.
477
478         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
479         hook definition.
480         * config/m32c/m32c.h: Likewise.
481         * config/pdp11/pdp11.h: Likewise.
482         * config/avr/avr.h: Likewise.
483         * config/xtensa/xtensa.h: Likewise.
484         * config/m68hc11/m68hc11.h: Likewise.
485         * config/mn10300/mn10300.h: Likewise.
486         * config/mcore/mcore.h: Likewise.
487         * config/h8300/h8300.h: Likewise.
488         * config/bfin/bfin.h: Likewise.
489
490         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
491         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
492
493 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
494
495         * double-int.h (tree_to_double_int): Remove macro.
496         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
497         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
498         (tree_to_double_int): New function.
499         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
500         Move ...
501         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
502
503 2010-05-03  Richard Guenther  <rguenther@suse.de>
504
505         PR tree-optimization/43971
506         * tree-ssa-structalias.c (get_constraint_for_1): Fix
507         constraints in the !flag_delete_null_pointer_checks case.
508
509 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
510
511         PR debug/43972
512         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
513         result mode matches original rtl mode.
514
515 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
516
517         PR target/43888
518         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
519
520 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
521
522         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
523         when processing flag options.
524
525 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
526
527         * gcov-iov.c (main): Change format string placeholder
528         from %#08x to 0x%08x.
529         * genchecksum.c (dosum): Change format string placeholder
530         from %#02x to 0x%02x.
531
532 2010-05-02  Richard Guenther  <rguenther@suse.de>
533
534         PR tree-optimization/43879
535         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
536
537 2010-05-02  Bruno Haible  <bruno@clisp.org>
538
539         * doc/extend.texi (Function Attributes): Fix a typo.
540
541 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
542
543         Revert:
544         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
545         placeholder from 0x%x to %#x.
546         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
547         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
548         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
549         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
550         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
551         * config/i386/i386.c (ix86_target_string): Ditto.
552         * config/i386/i386.c (output_pic_addr_const): Ditto.
553         (print_operand): Ditto.
554
555 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
556
557         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
558         placeholder from 0x%x to %#x.
559         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
560         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
561         (ASM_OUTPUT_DEBUG_DATA): Ditto.
562         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
563         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
564         * optc-gen.awk: Ditto.
565         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
566         (HOST_WIDE_INT_PRINT_HEX): Ditto.
567         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
568         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
569
570 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
571
572         * target.h (struct calls): Add function_value_regno_p field.
573         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
574         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
575         * targhooks.c (default_function_value_regno_p): New function.
576         * targhooks.h (default_function_value_regno_p): Declare function.
577         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
578         * builtins.c. (apply_result_size): (Ditto.).
579         * combine.c. (likely_spilled_retval_p): (Ditto.).
580         * mode-switching.c. Include 'target.h'.
581         (create_pre_exit): Use function_value_regno_p hook.
582         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
583         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
584         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
585
586         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
587         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
588         (ix86_function_value_regno_p): Declare as static, change argument
589         type to const unsigned int.
590         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
591
592 2010-05-01  Richard Guenther  <rguenther@suse.de>
593
594         PR tree-optimization/43949
595         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
596         types.
597         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
598
599 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
600
601         * rtl.h (CONST_DOUBLE_P): Define.
602         (rtx_to_double_int): Declare.
603         * emit-rtl.c (rtx_to_double_int): New function.
604         * dwarf2out.c (insert_double): New function.
605         (loc_descriptor, add_const_value_attribute): Clean up, use
606         rtx_to_double_int and insert_double functions.
607
608 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
609
610         * doc/extend.texi (Inline): Add missing return keyword to examples.
611         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
612         "command-line".
613
614 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
615
616         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
617         the variable part of the offset as well.  Use highest_pow2_factor for
618         all alignment checks.
619
620 2010-04-30  Richard Guenther  <rguenther@suse.de>
621
622         PR tree-optimization/43879
623         * tree-ssa-structalias.c (type_could_have_pointers): Functions
624         can have pointers.
625
626 2010-04-30  Jan Hubicka  <jh@suse.cz>
627
628         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
629         varpool.
630         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
631
632 2010-04-30  Jan Hubicka  <jh@suse.cz>
633
634         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
635         New.
636         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
637         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
638         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
639         cgraph_node_set_needs_ltrans_p): Remove.
640
641 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
642
643         * sdbout.c: Include vec.h, do not include varray.h.
644         (deferred_global_decls, sdbout_global_decl,
645         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
646         * toplev.c: Do not include varray.h.
647         (dump_memory_report): Do not dump VARRAY statistics.
648         * gengtype.c (open_base_file): Ignore varray.h.
649         * Makefile.in: Update for abovementioned changes.
650         Remove all traces of varray.c and varray.h.
651         * varray.c: Remove file.
652         * varray.h: Remove file.
653
654 2010-04-30  Jan Hubicka  <jh@suse.cz>
655
656         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
657         references.
658
659 2010-04-30  Jan Hubicka  <jh@suse.cz>
660
661         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
662         needed.
663
664 2010-04-30  Richard Guenther  <rguenther@suse.de>
665
666         * tree-ssa-structalias.c (get_constraint_for_1): Generate
667         constraints for CONSTRUCTOR.
668
669 2010-04-30  Richard Guenther  <rguenther@suse.de>
670
671         PR lto/43946
672         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
673         first after all lowering passes.
674
675 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
676
677         * toplev.c: Include varray.h for statistics dumping.
678         * tree.h: Do not declare varray_head_tag.
679         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
680         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
681         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
682         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
683         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
684         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
685         c-common.c, c-common.h, reg-stack.c, basic-block.h,
686         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
687         include varray.h.
688         * Makefile.in: Update for abovementioned changes.
689
690 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
691
692         PR debug/43942
693         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
694
695 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
696
697         * config/picochip/picochip.c (picochip_legitimize_address): Define.
698         Use this function to do machine-specific conversion.
699         (picochip_legitimize_reload_address): Likewise.
700         (picochip_legitimate_address_p): Check valid base register only if
701         strict.
702         (picochip_check_conditional_copy): Check for modw only if opnd is
703         register.
704         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
705         to call the function in c.
706         * config/picochip/picochip-protos.h
707         (picochip_legitimize_reload_address): Define.
708         * config/picochip/picochip.md (supported_compare1): Define.
709
710 2010-04-30  Jan Hubicka  <jh@suse.cz>
711
712         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
713         (cgraph_global_info): Remove inlined.
714         (LTO_cgraph_tag_names): Remove.
715         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
716         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
717         simplify cgraph tags and document.
718         (lto_output_node): Use only LTO_cgraph_unavail_node and
719         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
720         for_functions_valid, global info, process and output flags.
721         (input_overwrite_node): Initialize estimated stack size and
722         estimated growth.  Do not read flags we no longer store.
723         (input_node): Likewise do not read info no longer stored.
724         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
725         flag.
726
727 2010-04-30  Richard Guenther  <rguenther@suse.de>
728
729         PR tree-optimization/43879
730         * tree-ssa-structalias.c (get_constraint_for_1): Properly
731         handle non-zero initializers.
732
733 2010-04-30  Richard Guenther  <rguenther@suse.de>
734
735         * builtins.c (fold_builtin_1): Delete free (0).
736
737 2010-04-29  Jan Hubicka  <jh@suse.cz>
738
739         * gengtype.c (open_base_files): Add lto-streamer.h
740         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
741         (pass_ipa_cp): GGC collect.
742         * toplev. (compile_file): Do not output symbols.
743         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
744         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
745         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
746         * lto-section-in.c: Include ggc.h
747         (lto_new_in_decl_state): Alloc in GGC.
748         (lto_delete_in_decl_state): Likewise.
749         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
750         Collect.
751
752 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
753
754         PR target/42895
755         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
756         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
757         (HONOR_REG_ALLOC_ORDER): Describe new macro.
758         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
759         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
760         account only if HONOR_REG_ALLOC_ORDER is not defined.
761         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
762         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
763
764 2010-04-29  Jon Grant  <04@jguk.org>
765
766         * collect2.c (vflag): Change type from int to bool.
767         (debug): Likewise.
768         (helpflag): New global bool.
769         (main): Set vflag and debug with boolean, not integer truth values.
770         Accept new "--help" option and output usage text if found.
771         * collect2.h (vflag): Update prototype.
772         (debug): Likewise.
773
774 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
775
776         PR bootstrap/43936
777         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
778
779 2010-04-29  Richard Guenther  <rguenther@suse.de>
780
781         PR bootstrap/43935
782         * plugin.h (invoke_plugin_callbacks): Annotate arguments
783         with ATTRIBUTE_UNUSED.
784
785 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
786
787         PR target/43921
788         * config/i386/i386.c (get_some_local_dynamic_name): Replace
789         INSN_P with NONDEBUG_INSN_P.
790         (distance_non_agu_define): Likewise.
791         (distance_agu_use): Likewise.
792
793 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
794
795         From Dominique d'Humieres <dominiq@lps.ens.fr>
796         PR bootstrap/43858
797         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
798         test_set.
799
800 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
801
802         * plugin.h (invoke_plugin_callbacks): New inline function.
803         * plugin.c (flag_plugin_added): New global flag.
804         (add_new_plugin): Initialize above flag.
805         (invoke_plugin_callbacks): Rename to ...
806         (invoke_plugin_callbacks_full): ... this.
807
808 2010-04-28  Jan Hubicka  <jh@suse.cz>
809
810         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
811         (lto_varpool_replace_node): New.
812         (lto_symtab_resolve_symbols): Resolve varpool nodes.
813         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
814         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
815         * cgraph.h (varpool_node_ptr): New type.
816         (varpool_node_ptr): New vector.
817         (varpool_node_set_def): New structure.
818         (varpool_node_set): New type.
819         (varpool_node_set): New vector.
820         (varpool_node_set_element_def): New structure.
821         (varpool_node_set_element, const_varpool_node_set_element): New types.
822         (varpool_node_set_iterator): New type.
823         (varpool_node): Add prev pointers, add used_from_other_partition,
824         in_other_partition.
825         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
826         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
827         varpool_get_node, varpool_remove_node): Declare.
828         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
829         varpool_node_set_size): New inlines.
830         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
831         * tree-pass.h (varpool_node_set_def): Forward declare.
832         (ipa_opt_pass_d): Summary writting takes vnode sets too.
833         (ipa_write_optimization_summaries): Update prototype.
834         * ipa-cp.c (ipcp_write_summary): Update.
835         * ipa-reference.c (ipa_reference_write_summary): Update.
836         * lto-cgraph.c (lto_output_varpool_node): New static function.
837         (output_varpool): New function.
838         (input_varpool_node): New static function.
839         (input_varpool_1): New function.
840         (input_cgraph): Input varpool.
841         * ipa-pure-const.c (pure_const_write_summary): Update.
842         * lto-streamer-out.c (lto_output): Update, output varpool too.
843         (write_global_stream): Kill WPA hack.
844         (produce_asm_for_decls): Update.
845         (output_alias_pair_p): Handle variables.
846         (output_unreferenced_globals): Output only needed partition of varpool.
847         * ipa-inline.c (inline_write_summary): Update.
848         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
849         cgraph.
850         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
851         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
852         varpool_node_set_new, varpool_node_set_add,
853         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
854         debug_varpool_node_set): New functions.
855         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
856         (execute_one_pass): Process new decls too.
857         (ipa_write_summaries_2): Pass around vsets.
858         (ipa_write_summaries_1): Likewise.
859         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
860         to add.
861         (ipa_write_optimization_summaries_1): Pass around vsets.
862         (ipa_write_optimization_summaries): Likewise.
863         * varpool.c (varpool_get_node): New.
864         (varpool_node): Update doubly linked lists.
865         (varpool_remove_node): New.
866         (dump_varpool_node): More dumping.
867         (varpool_enqueue_needed_node): Update doubly linked lists.
868         (decide_is_variable_needed): Kill ltrans hack.
869         (varpool_finalize_decl): Kill lto hack.
870         (varpool_assemble_decl): Skip decls in other partitions.
871         (varpool_assemble_pending_decls): Update doubly linkes lists.
872         (varpool_empty_needed_queue): Likewise.
873         (varpool_extra_name_alias): Likewise.
874         * lto-streamer.c (lto_get_section_name): Add vars section.
875         * lto-streamer.h (lto_section_type): Update.
876         (output_varpool, input_varpool): Declare.
877
878 2010-04-28  Mike Stump  <mikestump@comcast.net>
879
880         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
881
882 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
883
884         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
885         record or union type with RECORD_OR_UNION_TYPE_P predicate.
886         (lto_input_ts_type_tree_pointers): Likewise.
887         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
888         (lto_output_ts_type_tree_pointers): Likewise.
889
890 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
891
892         Uniquization of constants at the Tree level
893         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
894         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
895         bit to the end.
896         (tree_output_constant_def): Declare.
897         * gimplify.c (gimplify_init_constructor): When using block copy, first
898         uniquize the constant constructor on the RHS.
899         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
900         DECL_IN_CONSTANT_POOL flag.
901         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
902         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
903         constant pool.
904         (assemble_variable): Deal with symbols belonging to the tree constant
905         pool.
906         (get_constant_section): Add ALIGN parameter and simplify.
907         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
908         (assemble_constant_contents): Use the expression of the VAR_DECL.
909         (output_constant_def_contents): Use the alignment of the VAR_DECL.
910         (tree_output_constant_def): New global function.
911         (mark_constant): Use the expression of the VAR_DECL.
912         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
913         its expression.
914         (output_object_block): Likewise and assemble the expression.
915
916 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
917
918         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
919         hash_tree, eq_tree): New tree hash table.
920         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
921         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
922         lto_orig_address_remove): Reimplement.
923
924 2010-04-28  Xinliang David Li  <davidxl@google.com>
925
926         PR c/42643
927         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
928         (compute_uninit_opnds_pos): New function.
929         (is_non_loop_exit_postdominating): New function.
930         (compute_control_dep_chain): New function.
931         (find_pdom): New function.
932         (convert_control_dep_chain_into_preds): New function.
933         (find_predicates): New function.
934         (find_control_equiv_block): New function.
935         (collect_phi_def_edges): New function.
936         (find_def_preds): New function.
937         (find_dom): New function.
938         (dump_predicates): New function.
939         (get_cmp_code): New function.
940         (is_value_included_in): New function.
941         (find_matching_predicate_in_rest_chains): New function.
942         (use_pred_not_overlap_with_undef_path_pred): New function.
943         (is_use_properly_guarded): New function.
944         (normalize_cond_1): New function.
945         (is_and_or_or): New function.
946         (normalize_cond): New function.
947         (is_gcond_subset_of): New function.
948         (is_subset_of_any): New function.
949         (is_or_set_subset_of): New function.
950         (is_and_set_subset_of): New function.
951         (is_norm_cond_subset_of): New function.
952         (is_pred_expr_subset_of): New function.
953         (is_pred_chain_subset_of): New function.
954         (is_included_in): New function.
955         (is_superset_of): New function.
956         (find_uninit_use): New function.
957         (warn_uninitialized_phi): New function.
958         (compute_possibly_undefined_names): New function.
959         (ssa_undefined_value_p): New function.
960         (execute_late_warn_uninitialized): New function.
961         * tree-ssa.c (ssa_undefined_value_p): Removed.
962         (warn_uninit): Changed to extern.
963         (warn_uninitialized_phi): Removed.
964         (warn_uninitialized_vars): Changed to extern.
965         (execute_late_warn_uninitialized): Removed
966         * tree-flow.h: Add new prototypes.
967         * timevar.def: Add new time variable.
968         * Makefile.in: Add new build file.
969
970 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
971
972         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
973         type if available.
974
975 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
976
977         PR target/22224
978         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
979
980 2010-04-28  Martin Jambor  <mjambor@suse.cz>
981
982         * cgraph.h (struct cgraph_node): New field indirect_calls.
983         (struct cgraph_indirect_call_info): New type.
984         (struct cgraph_edge): Removed field indirect_call. New fields
985         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
986         (cgraph_create_indirect_edge): Declare.
987         (cgraph_make_edge_direct): Likewise.
988         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
989         * ipa-prop.h (struct ipa_param_call_note): Removed.
990         (struct ipa_node_params): Removed field param_calls.
991         (ipa_create_all_structures_for_iinln): Declare.
992         * cgraph.c: Described indirect edges and uids in initial comment.
993         (cgraph_add_edge_to_call_site_hash): New function.
994         (cgraph_edge): Search also among the indirect edges, use
995         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
996         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
997         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
998         site hash.
999         (initialize_inline_failed): Assign a reason to indirect edges.
1000         (cgraph_create_edge_1): New function.
1001         (cgraph_create_edge): Moved some functionality to
1002         cgraph_create_edge_1.
1003         (cgraph_create_indirect_edge): New function.
1004         (cgraph_edge_remove_callee): Add an assert checking for
1005         non-indirectness.
1006         (cgraph_edge_remove_caller): Special-case indirect edges.
1007         (cgraph_remove_edge): Likewise.
1008         (cgraph_set_edge_callee): New function.
1009         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
1010         (cgraph_make_edge_direct): New function.
1011         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
1012         the declaration of the call statement matches.
1013         (cgraph_node_remove_callees): Special-case indirect edges.
1014         (cgraph_clone_edge): Likewise.
1015         (cgraph_clone_node): Clone also the indirect edges.
1016         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
1017         indirect_call, dump count of indirect_calls edges.
1018         * ipa-prop.c (iinlining_processed_edges): New variable.
1019         (ipa_note_param_call): Create indirect edges instead of
1020         creating notes.  New parameter node.
1021         (ipa_analyze_call_uses): New parameter node, pass it on to
1022         ipa_note_param_call.
1023         (ipa_analyze_stmt_uses): Likewise.
1024         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
1025         (print_edge_addition_message): Work on edges rather than on notes.
1026         (update_call_notes_after_inlining): Likewise, renamed to
1027         update_indirect_edges_after_inlining.
1028         (ipa_create_all_structures_for_iinln): New function.
1029         (ipa_free_node_params_substructures): Do not free notes.
1030         (ipa_edge_duplication_hook): Propagate bits within
1031         iinlining_processed_edges bitmap.
1032         (ipa_node_duplication_hook): Do not duplicate notes.
1033         (free_all_ipa_structures_after_ipa_cp): Renamed to
1034         ipa_free_all_structures_after_ipa_cp.
1035         (free_all_ipa_structures_after_iinln): Renamed to
1036         ipa_free_all_structures_after_iinln.g
1037         (ipa_write_param_call_note): Removed.
1038         (ipa_read_param_call_note): Removed.
1039         (ipa_write_indirect_edge_info): New function.
1040         (ipa_read_indirect_edge_info): Likewise.
1041         (ipa_write_node_info): Do not stream notes, do stream information
1042         in indirect edges.
1043         (ipa_read_node_info): Likewise.
1044         (lto_ipa_fixup_call_notes): Removed.
1045         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
1046         * ipa-inline.c (pass_ipa_inline): Likewise.
1047         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
1048         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
1049         * tree-inline.c (copy_bb): Removed an unnecessary double check for
1050         is_gimple_call.
1051         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
1052         edges.
1053         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
1054         (output_cgraph): Stream also indirect edges.
1055         (lto_output_edge): Added capability to stream indirect edges.
1056         (input_edge): Likewise.
1057         (input_cgraph_1): Likewise.
1058         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1059         of indirect edges.
1060
1061 2010-04-28  Richard Guenther  <rguenther@suse.de>
1062
1063         PR tree-optimization/43879
1064         PR tree-optimization/43909
1065         * tree-ssa-structalias.c (struct variable_info): Add
1066         only_restrict_pointers flag.
1067         (new_var_info): Initialize it.  Increment stats.total_vars here.
1068         (create_function_info_for): Do not increment stats.total_vars
1069         here.
1070         (get_function_part_constraint): Fix build with C++.
1071         (insert_into_field_list): Remove.
1072         (push_fields_onto_fieldstack): Properly merge fields.
1073         (create_variable_info_for): Split and simplify.
1074         (create_variable_info_for_1): New piece.
1075         (intra_create_variable_infos): Properly make restrict constraints
1076         from parameters.
1077
1078 2010-04-28  Richard Guenther  <rguenther@suse.de>
1079
1080         PR c++/43880
1081         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1082
1083 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1084             Jan Hubicka <hubicka@ucw.cz>
1085
1086         * doc/invoke.texi (-Wsuggest-attribute=const,
1087         -Wsuggest-attribute=pure): Document.
1088         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1089         (function_always_visible_to_compiler_p,
1090         suggest_attribute, warn_function_pure, warn_function_const):
1091         New functions.
1092         (check_call): Improve debug info.
1093         (analyze_function): Do not check availability.
1094         (add_new_function): Check availability.
1095         (propagate): Output warnings.
1096         (skip_function_for_local_pure_const): New function.
1097         (local_pure_const): Use it; output warnings.
1098         * common.opt (Wsuggest-attribute=const,
1099         Wsuggest-attribute=pure): New.
1100
1101 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1102
1103         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1104         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1105         or DW_CFA_def_cfa_offset{,_sf}.
1106
1107 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1108
1109         * tree.h: Fix truncated long macros.
1110
1111 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1112
1113         * collect2.c (TARGET_64BIT): Redefine to target's default.
1114         * tlink.c: Likewise.
1115         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1116         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1117         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1118         for underscoring __USER_LABEL_PREFIX__.
1119         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1120         (SUB_LINK_ENTRY32): New.
1121         (SUB_LINK_ENTRY64): New.
1122         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1123         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1124         (SUB_LINK_ENTRY64): New.
1125         (SUB_LINK_ENTRY): New.
1126         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1127         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1128         x64 target is choosen.
1129         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1130         * configure: Regenerated.
1131         * configure.ac (leading-mingw64-underscores): Option added.
1132
1133 2010-04-27  Jan Hubicka  <jh@suse.cz>
1134
1135         * doc/invoke.texi (-fipa-profile): Document.
1136         * opts.c (decode_options): Enable ipa-profile at -O1.
1137         * timevar.def (TV_IPA_PROFILE): Define.
1138         * common.opt (fipa-profile): Add.
1139         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1140         flag for clones.
1141         (cgraph_propagate_frequency): Handle only local ones.
1142         * tree-pass.h (pass_ipa_profile): Declare.
1143         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1144         (pass_ipa_profile): Use TV_IPA_PROFILE.
1145         * ipa.c (ipa_profile): New function.
1146         (gate_ipa_profile): Likewise.
1147         (pass_ipa_profile): New global variable.
1148         * passes.c (pass_ipa_profile): New.
1149
1150 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1151
1152         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1153
1154 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1155
1156         PR middle-end/43812
1157         * ipa.c (dissolve_same_comdat_group_list): New function.
1158         (function_and_variable_visibility): Call
1159         dissolve_same_comdat_group_list when comdat group contains external or
1160         newly local nodes.
1161         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1162         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1163
1164 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1165
1166         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1167         (const_hash_1) <VECTOR_CST>: New case.
1168         (compare_constant) <VECTOR_CST>: Likewise.
1169         <ADDR_EXPR>: Deal with LABEL_REFs.
1170         (copy_constant) <VECTOR_CST>: New case.
1171
1172 2010-04-27  Jan Hubicka  <jh@suse.cz>
1173
1174         * cgraph.c (cgraph_propagate_frequency): New function.
1175         * cgraph.h (cgraph_propagate_frequency): Declare.
1176         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1177         cgraph_propagate_frequency.
1178
1179 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1180
1181         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1182
1183 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1184
1185         PR target/40657
1186         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1187         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1188         here to determine which regs to push and how much stack to reserve.
1189
1190 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1191
1192         * doc/gimple.texi (gimple_statement_with_ops): Remove
1193         addresses_taken field.
1194         (gimple_statement_with_memory_ops): Likewise.
1195
1196 2010-04-27  Jan Hubicka  <jh@suse.cz>
1197
1198         * tree-inline.c (eni_inlining_weights): Remove.
1199         (estimate_num_insns): Special case more builtins.
1200
1201 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1202
1203         PR c/32207
1204         * c-typeck.c (build_binary_op): Move forward check for comparison
1205         pointer with null pointer constant and adjust the diagnostic message.
1206
1207 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1208
1209         PR lto/42776
1210         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1211         binutils supports extended .section directive needed by LTO, or
1212         warn if older binutils found.
1213         (LTO_BINARY_READER): New AC_SUBST'd variable.
1214         (LTO_USE_LIBELF): Likewise.
1215         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1216         variable.
1217         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1218         (LTO_USE_LIBELF): Likewise.
1219         * configure: Regenerate.
1220
1221         * collect2.c (is_elf): Rename from this ...
1222         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1223          object files in addition to ELF-formatted ones.
1224         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1225         symbol to be prefixed or not by an extra underscore.
1226
1227         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1228         * config/i386/winnt.c: Also #include lto-streamer.h
1229         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1230         LTO named sections.
1231         (i386_pe_asm_output_aligned_decl_common): Add comment.
1232         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1233
1234 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1235
1236         PR target/43889
1237         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1238         Add missing earlyclobber for second alternative.
1239
1240 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1241
1242         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1243         bits for artificial defs at the top of the block.
1244         * fwprop.c (single_def_use_enter_block): Don't call it.
1245
1246 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1247
1248         PR 43715
1249         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1250         instead of "$gcc_cv_objdump -T".
1251         Use "-undefined dynamic_lookup" on darwin.
1252         * gcc/configure: Regenerate.
1253
1254 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1255
1256         PR c/43893
1257         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1258
1259 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1260
1261         * c-parser.c (struct c_token): Move location field up.
1262         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1263         (struct c_declspecs): Convert typespec_word, storage_class, and
1264         default_int_p into bitfields.
1265         (struct c_declarator): Move loc field up.
1266
1267 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1268
1269         * cfgloop.h (struct loop): Move can_be_parallel field up.
1270         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1271         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1272         down.
1273         (struct iv_cand): Convert pos field into a bitfield.
1274         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1275         field up.
1276         (struct _stmt_vec_info): Shuffle fields for better packing.
1277
1278 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1279
1280         * varasm.c (IN_NAMED_SECTION): Remove guard.
1281         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1282         (IN_NAMED_SECTION_P): ...this.
1283         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1284         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1285
1286 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1287
1288         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1289         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1290         of shadowing it.  Fix comments.
1291
1292 2010-04-26  Jan Hubicka  <jh@suse.cz>
1293
1294         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1295         (cgraph_clone_node): Copy function frequency.
1296         * cgraph.h (node_frequency): New enum
1297         (struct cgraph_node): Add.
1298         * final.c (rest_of_clean_state): Update.
1299         * lto-cgraph.c (lto_output_node): Output node frequency.
1300         (input_overwrite_node): Input node frequency.
1301         * tre-ssa-loop-ivopts (computation_cost): Update.
1302         * lto-streamer-out.c (output_function): Do not output function
1303         frequency.
1304         * predict.c (maybe_hot_frequency_p): Update and handle functions
1305         executed once.
1306         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1307         attribute lookup.
1308         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1309         (compute_function_frequency): Set noreturn functions to be executed
1310         once.
1311         (choose_function_section): Update.
1312         * lto-streamer-in.c (input_function): Do not input function frequency.
1313         * function.c (allocate_struct_function): Do not initialize function
1314         frequency.
1315         * function.h (function_frequency): Remove.
1316         (struct function): Remove function frequency.
1317         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1318         (try_update): Update.
1319         * tree-inline.c (initialize_cfun): Do not update function frequency.
1320         * passes.c (pass_init_dump_file): Update.
1321         * i386.c (ix86_compute_frame_layout): Update.
1322         (ix86_pad_returns): Update.
1323
1324 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1325
1326         PR tree-optimization/43833
1327         * tree-vrp.c (range_int_cst_p): New.
1328         (range_int_cst_singleton_p): New.
1329         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1330         when both operands are constants.  Use range_int_cst_p in
1331         BIT_IOR_EXPR case.
1332
1333 2010-04-26  Jan Hubicka  <jh@suse.cz>
1334
1335         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1336
1337 2010-04-26  Richard Guenther  <rguenther@suse.de>
1338
1339         PR lto/43080
1340         * gimple.c (gimple_decl_printable_name): Deal gracefully
1341         with a NULL DECL_NAME.
1342
1343 2010-04-26  Richard Guenther  <rguenther@suse.de>
1344
1345         PR lto/42425
1346         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1347         if emitting debug information and it is either a function
1348         or a namespace decl.
1349
1350 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1351
1352         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1353         determine if the statement is vectorizable, and a macro to access it.
1354         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1355         Skip statements that can't be vectorized. If the analysis fails,
1356         mark the statement as unvectorizable if vectorizing basic block.
1357         (vect_compute_data_refs_alignment): Likewise.
1358         (vect_verify_datarefs_alignment): Skip statements marked as
1359         unvectorizable. Add print.
1360         (vect_analyze_group_access): Skip statements that can't be
1361         vectorized. If the analysis fails, mark the statement as
1362         unvectorizable if vectorizing basic block.
1363         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1364         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1365         generated stmts for SLP.
1366         (new_stmt_vec_info): Initialize the new field.
1367         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1368         statements marked as unvectorizable.
1369
1370 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1371
1372         * c-common.c (flag_isoc1x): New.
1373         (flag_isoc99): Update comment.
1374         * c-common.h (flag_isoc1x): New.
1375         (flag_isoc99): Update comment.
1376         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1377         __<type>_DECIMAL_DIG__.
1378         * c-opts.c (set_std_c1x): New.
1379         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1380         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1381         * c.opt (-std=c1x, -std=gnu1x): New options.
1382         * doc/cpp.texi: Mention -std=c1x.
1383         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1384         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1385         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1386         * doc/standards.texi: Mention C1X.
1387         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1388         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1389         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1390         Define for C1X.
1391
1392 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1393
1394         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1395         placeholder from 0x%x to %#x.
1396         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1397         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1398         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1399         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1400         * config/i386/i386.c (ix86_target_string): Ditto.
1401         (output_pic_addr_const): Ditto.
1402         (print_operand): Ditto.
1403
1404 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1405
1406         * combine.c (find_split_point): Add third argument.  Use it
1407         to find nested multiply-accumulate instructions.  Adjust calls.
1408         (try_combine): Adjust call to find_split_point.
1409
1410 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1411
1412         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1413
1414 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1415
1416         PR tree-optimization/41442
1417         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1418         (fold_binary_loc): Call it.
1419
1420 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1421
1422         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1423         * opts.c (common_handle_option): Allow disabling it.
1424         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1425
1426 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1427
1428         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1429         between modes if both types are integral.
1430
1431 2010-04-23  Richard Guenther  <rguenther@suse.de>
1432
1433         PR tree-optimization/43572
1434         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1435
1436 2010-04-23  Richard Guenther  <rguenther@suse.de>
1437
1438         PR lto/43455
1439         * tree-inline.c (tree_can_inline_p): Also check compatibility
1440         of return types.
1441
1442 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1443
1444         PR tree-optimization/43846
1445         * tree-sra.c (struct access): New flag grp_assignment_read.
1446         (build_accesses_from_assign): Set grp_assignment_read.
1447         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1448         (enum mark_read_status): New type.
1449         (analyze_access_subtree): Propagate grp_assignment_read, create
1450         accesses also if both direct_read and root->grp_assignment_read.
1451
1452 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1453
1454         PR middle-end/43835
1455         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1456         function does not have type attributes.
1457
1458 2010-04-23  Richard Guenther  <rguenther@suse.de>
1459
1460         PR lto/42653
1461         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1462         of FUNCTION_DECLs.
1463
1464 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1465
1466         * sese.h (create_if_region_on_edge): Remove.
1467
1468         * sese.c (create_if_region_on_edge): Make static.
1469
1470         * tree-inline.c: Do not include ggc.h.
1471
1472         * expr.c: Do not include ggc.h.
1473
1474         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1475         dependencies.
1476
1477 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1478
1479         PR target/43744
1480         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1481         in the middle of insns for casesi_worker_2.
1482
1483 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1484
1485         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1486
1487 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1488
1489         PR tree-optimization/43842
1490         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1491         loop unrolling in update of exit phis. Fix comment.
1492         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1493         least two reduction statements in the loop before starting SLP
1494         analysis.
1495
1496 2010-04-22  Nick Clifton  <nickc@redhat.com>
1497
1498         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1499
1500 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1501
1502         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1503         to simplify a + ~a.
1504
1505 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1506
1507         * tree-parloops.c (loop_parallel_p): New argument
1508         parloop_obstack.  Pass it down.
1509         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1510         pass it down, free it.
1511
1512         * tree-loop-linear.c (linear_transform_loops): Pass down
1513         lambda_obstack.
1514
1515         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1516         of type struct obstack *.
1517
1518         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1519         scratch_obstack.  Initialize it, pass down, free it.
1520
1521         * lambda.h (lambda_loop_new): Remove.
1522         (lambda_matrix_new, lambda_matrix_inverse)
1523         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1524         argument of type struct obstack *.
1525
1526         * lambda-trans.c (lambda_trans_matrix_new): New argument
1527         lambda_obstack.  Pass it down, use obstack allocation for ret.
1528         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1529         it down.
1530
1531         * lambda-mat.c (lambda_matrix_get_column)
1532         (lambda_matrix_project_to_null): Remove.
1533         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1534         allocation for mat.
1535         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1536         lambda_obstack.
1537
1538         * lambda-code.c (lambda_loop_new): New function.
1539         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1540         (lambda_compute_auxillary_space, lambda_compute_target_space)
1541         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1542         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1543         (build_access_matrix): New argument lambda_obstack.  Use obstack
1544         allocation for am.
1545         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1546         argument lambda_obstack.  Pass it down.
1547
1548 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1549
1550         * optabs.h (expand_widening_mult): Declare.
1551
1552 2010-04-22  Richard Guenther  <rguenther@suse.de>
1553
1554         PR tree-optimization/43845
1555         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1556         lookup the CALL_EXPR function and arguments.
1557
1558 2010-04-22  Nick Clifton  <nickc@redhat.com>
1559
1560         * config/stormy16/stormy16.c
1561         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1562         * config/stormy16/stormy16.h: Tidy up formatting.
1563         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1564         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1565         (ineqbranchsi): Delete pattern.
1566         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1567         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1568         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1569         stormy16-lib2-ucmpsi2.c.
1570
1571 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1572
1573         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1574         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1575         extra set merge_set_noclobber, and use it to relax the final test
1576         slightly.
1577         * df.h (df_simulate_find_noclobber_defs): Declare.
1578         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1579         conditional defs.
1580         (df_simulate_find_noclobber_defs): New function.
1581
1582 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1583
1584         * config/i386/i386.md: Use {} around multi-line preparation statements.
1585
1586 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1587
1588         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1589         (process_init_element): New argument of type struct obstack *.
1590
1591         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1592         (set_init_index, set_init_label, set_nonincremental_init)
1593         (set_nonincremental_init_from_string, find_init_member)
1594         (output_init_element, output_pending_init_elements)
1595         (process_init_element): New argument braced_init_obstack.  Pass it
1596         down.
1597         (push_range_stack, add_pending_init): New argument
1598         braced_init_obstack.  Use obstack allocation.
1599
1600         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1601         braced_init_obstack.  Pass it down.
1602         (c_parser_braced_init): New variables ret, braced_init_obstack.
1603         Initialize obstack, pass it down and finally free it.
1604
1605 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1606
1607         PR middle-end/29274
1608         * tree-pass.h (pass_optimize_widening_mul): Declare.
1609         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1610         gate_optimize_widening_mul): New static functions.
1611         (pass_optimize_widening_mul): New.
1612         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1613         <case MULT_EXPR>: Remove support for widening multiplies.
1614         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1615         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1616         simplify_gen_unary rather than directly building extensions.
1617         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1618         WIDEN_MULT_EXPR.
1619         * expmed.c (expand_widening_mult): New function.
1620         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1621
1622 2010-04-21  Jan Hubicka  <jh@suse.cz>
1623
1624         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1625         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1626         * lto-wpa-fixup.c: Remove.
1627         * Makefile.in (lto-wpa-fixup.o): Remove.
1628         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1629         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1630         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1631
1632 2010-04-21  Jan Hubicka  <jh@suse.cz>
1633
1634         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1635         add write_optimization_summary, read_optimization_summary.
1636         (ipa_write_summaries_of_cgraph_node_set): Remove.
1637         (ipa_write_optimization_summaries): Declare.
1638         (ipa_read_optimization_summaries): Declare.
1639         * ipa-cp.c (pass_ipa_cp): Update.
1640         * ipa-reference.c (pass_ipa_reference): Update.
1641         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1642         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1643         Update.
1644         * ipa-inline.c (pass_ipa_inline): Update.
1645         * ipa.c (pass_ipa_whole_program): Update.
1646         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1647         * passes.c (ipa_write_summaries_1): Do not test wpa.
1648         (ipa_write_optimization_summaries_1): New.
1649         (ipa_write_optimization_summaries): New.
1650         (ipa_read_summaries): Do not test ltrans.
1651         (ipa_read_optimization_summaries_1): New.
1652         (ipa_read_optimization_summaries): New.
1653
1654 2010-04-21  Jan Hubicka  <jh@suse.cz>
1655
1656         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1657         for boundary nodes.
1658         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1659
1660 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1661
1662         PR debug/40040
1663         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1664         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1665
1666 2010-04-21  Jan Hubicka  <jh@suse.cz>
1667
1668         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1669
1670 2010-04-21  Jan Hubicka  <jh@suse.cz>
1671
1672         * varpool.c (decide_is_variable_needed): Variable is always needed
1673         during ltrans.
1674
1675 2010-04-21  Jan Hubicka  <jh@suse.cz>
1676
1677         * opts.c (decode_options): Enable pure-const pass for whopr.
1678
1679 2010-04-21  Jan Hubicka  <jh@suse.cz>
1680
1681         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1682         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1683         at WPA dumping.
1684         (cgraph_decide_inlining): Do not expect callee to be removed in all
1685         cases.
1686
1687 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1688
1689         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1690
1691 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1692
1693         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1694         amdfam10_decode attributes.
1695
1696 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1697
1698         PR middle-end/43570
1699         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1700         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1701         (lower_copyprivate_clauses): Use private var in outer
1702         context instead of original var.  Make sure the types
1703         are correct for VLAs.
1704
1705 2010-04-21  Richard Guenther  <rguenther@suse.de>
1706
1707         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1708         to non-pointer objects.
1709
1710 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1711
1712         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1713         last chain entry if it starts with the still current label.
1714         (add_location_or_const_value_attribute): Check that
1715         loc_list->first->next is NULL instead of comparing ->first with ->last.
1716         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1717         to add_var_loc_to_decl.
1718
1719         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1720         >= 4 add also address size and segment size fields into CIE header.
1721
1722         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1723         long as address size is the same as sizeof (void *) and
1724         segment size is 0.
1725         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1726         address size or segment size is unexpected, return DW_EH_PE_omit.
1727         (classify_object_over_fdes): If get_cie_encoding returned
1728         DW_EH_PE_omit, return -1.
1729         (init_object): If classify_object_over_fdes returned -1,
1730         pretend there were no FDEs at all.
1731
1732 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1733
1734         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1735         bswap{si,di}2 using SWI48 mode iterator.
1736         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1737         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1738         set modrm attribute of bswap insn to 0 and remove length attribute.
1739         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1740         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1741         set mode attribute to <MODE> and remove length attribute.
1742
1743 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1744
1745         PR rtl-optimization/43520
1746         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1747         zero available registers.
1748
1749 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1750
1751         * builtins.c (fold_builtin_cproj): Fold more cases.
1752
1753 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1754
1755         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1756         (fold_builtin_1): Fold builtin cproj.
1757         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1758         Use ATTR_CONST_NOTHROW_LIST.
1759
1760 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1761
1762         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1763         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1764         ffsi2_no_cmove for !TARGET_CMOVE.
1765         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1766         (ffssi2): Remove expander.
1767         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1768         mode iterator.
1769         (ctz<mode>2): Ditto from ctz{si,di}2.
1770         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1771         mode iterator.
1772         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1773         mode iterator.
1774
1775 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1776
1777         * dwarf2out.c (AT_linkage_name): Define.
1778         (clone_as_declaration): Handle DW_AT_linkage_name.
1779         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1780         of DW_AT_MIPS_linkage_name.
1781         (move_linkage_attr): Likewise.
1782         (dwarf2out_finish): Likewise.
1783
1784 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1785
1786         PR middle-end/41952
1787         * fold-const.c (fold_comparison): New folding rule.
1788
1789 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1790
1791         * double-int.h (double_int_setbit): Declare.
1792         * double-int.c (double_int_setbit): New function.
1793         * rtl.h (immed_double_int_const): Declare.
1794         * emit-rtl.c (immed_double_int_const): New function.
1795         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1796         and immed_double_int_const functions.
1797         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1798         expand_copysign_bit):  (Ditto.).
1799         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1800         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1801         * dojump.c (prefer_and_bit_test): (Ditto.).
1802         * expr.c (convert_modes, reduce_to_bit_field_precision,
1803         const_vector_from_tree): (Ditto.).
1804         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1805
1806 2010-04-20  Jan Hubicka  <jh@suse.cz>
1807
1808         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1809         (dump_cgraph_node): Dump new flags.
1810         * cgraph.h (struct cgraph_node): Add flags
1811         reachable_from_other_partition and in_other_partition.
1812         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1813         other partition can not be removed.
1814         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1815         the other partition must be output; silence sanity checking on
1816         leaking functions bodies from other paritition.
1817         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1818         (lto_output_node): Output new flags; do not sanity check that inline
1819         clones are output; drop lto_forced_extern_inline_p code; do not mock
1820         visibility flags at partition boundaries.
1821         (add_node_to): New function.
1822         (output_cgraph): Use it to sort functions so masters appear before
1823         clones.
1824         (input_overwrite_node): Input new flags.
1825         * passes.c (ipa_write_summaries): Do not call
1826         lto_new_extern_inline_states.
1827         * lto-section-out.c (forced_extern_inline,
1828         lto_new_extern_inline_states lto_delete_extern_inline_states,
1829         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1830         * lto-streamer.h (lto_new_extern_inline_states,
1831         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1832         lto_forced_extern_inline_p): Kill.
1833
1834 2010-04-20  Richard Guenther  <rguenther@suse.de>
1835
1836         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1837         from vars that can have pointers.
1838         (process_constraint): Dump useless constraints.
1839
1840 2010-04-20  Richard Guenther  <rguenther@suse.de>
1841
1842         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1843         (dump_sa_points_to_info): Remove asserts.
1844         (init_base_vars): nothing_id isn't an escape point nor does it
1845         have pointers.
1846
1847 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1848
1849         * tree.h (TYPE_REF_IS_RVALUE): Define.
1850         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1851         should_move_die_to_comdat, prune_unused_types_walk): Handle
1852         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1853         (modified_type_die, gen_reference_type_die): Emit
1854         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1855         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1856
1857 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1858
1859         PR target/43635
1860         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1861         calls for -fpic -m31 if they have been sibcall optimized.
1862
1863 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1864
1865         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1866         ar.lc fixed and call-used.
1867
1868         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1869
1870 2010-04-19  Jan Hubicka  <jh@suse.cz>
1871
1872         * opts.c (decode_options): Disable whpr incompatible passes.
1873         * lto/lto.c (lto_1_to_1_map): Skip clones.
1874         (read_cgraph_and_symbols): Do not mark everything as needed.
1875         (do_whole_program_analysis): Do map only after optimizing;
1876         set proper cgraph_state; use passmanager.
1877
1878 2010-04-19  DJ Delorie  <dj@redhat.com>
1879
1880         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1881         POINTER_PLUS_EXPR and fix them.
1882
1883 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1884
1885         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1886         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1887         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1888         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1889         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1890         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1891         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1892         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1893         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1894         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1895         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1896
1897 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1898
1899         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1900         (check_cond_move_block): Likewise.
1901         (cond_move_process_if_block): Likewise.
1902         (noce_find_if_block): Improve formatting.
1903         (find_if_header): Pass 0 to memset and tweak conditions.
1904         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1905
1906 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1907
1908         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1909         for -gdwarf-4.
1910
1911         PR middle-end/43337
1912         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1913         with non-local decl doesn't need chain.
1914
1915 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1916
1917         * ira-color.c (allocno_reload_assign): Avoid accumulating
1918         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1919
1920 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1921
1922         * gimple.h (create_tmp_reg): Declare.
1923         * gimplify.c (create_tmp_reg): New function.
1924         (gimplify_return_expr): Use create_tmp_reg.
1925         (gimplify_omp_atomic): Likewise.
1926         (gimple_regimplify_operands): Likewise.
1927         * tree-dfa.c (make_rename_temp): Likewise.
1928         * tree-predcom.c (predcom_tmp_var): Likewise.
1929         (reassociate_to_the_same_stmt): Likewise.
1930         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1931         (get_replaced_param_substitute): Likewise.
1932         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1933         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1934         * tree-ssa-pre.c (get_representative_for): Likewise.
1935         (create_expression_by_pieces): Likewise.
1936         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1937         (create_tailcall_accumulator): Likewise.
1938
1939 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1940
1941         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1942         new_stmt.
1943         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1944
1945 2010-04-19  Richard Guenther  <rguenther@suse.de>
1946
1947         PR tree-optimization/43796
1948         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1949         from SCEV in the lattice.
1950         (vrp_visit_phi_node): Dump change.
1951
1952 2010-04-19  Richard Guenther  <rguenther@suse.de>
1953
1954         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1955         * configure: Re-generated.
1956
1957 2010-04-19  Richard Guenther  <rguenther@suse.de>
1958
1959         PR tree-optimization/43783
1960         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1961         constant ARRAY_REF operands two and three if possible.
1962
1963 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1964
1965         PR target/43766
1966         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1967
1968 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1969
1970         PR target/43662
1971         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1972
1973 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1974
1975         PR tree-optimization/37027
1976         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1977         and macro to access it.
1978         (vectorizable_reduction): Add argument.
1979         (vect_get_slp_defs): Likewise.
1980         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1981         statements for possible use in SLP.
1982         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1983         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1984         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1985         add new argument.
1986         (vectorizable_reduction): Likewise.
1987         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1988         vect_get_slp_defs.
1989         (vectorizable_type_demotion, vectorizable_type_promotion,
1990         vectorizable_store): Likewise.
1991         (vect_analyze_stmt): Update call to vectorizable_reduction.
1992         (vect_transform_stmt): Likewise.
1993         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1994         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1995         from different interleaving chains in same node.
1996         (vect_slp_rearrange_stmts): New function.
1997         (vect_supported_load_permutation_p): Allow load permutations for
1998         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1999         inside SLP nodes if necessary.
2000         (vect_analyze_slp_instance): Handle reductions.
2001         (vect_analyze_slp): Try to build SLP instances originating from groups
2002         of reductions.
2003         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
2004         (vect_get_constant_vectors): Create initial vectors for reductions
2005         according to reduction code. Add new argument.
2006         (vect_get_slp_defs): Add new argument, pass it to
2007         vect_get_constant_vectors.
2008         (vect_schedule_slp_instance): Remove SLP tree root statements.
2009
2010 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
2011
2012         * tree.h (ENUM_IS_SCOPED): Define.
2013         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
2014         for ENUM_IS_SCOPED enums.
2015
2016 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2017
2018         * fold-const.c (fold_comparison): Use ssizetype.
2019         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
2020         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
2021         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
2022         * tree-object-size.c (compute_object_sizes): Use size_type_node.
2023
2024         * tree.h (initialize_sizetypes): Remove parameter.
2025         (build_common_tree_nodes): Remove second parameter.
2026         * stor-layout.c (initialize_sizetypes): Remove parameter.
2027         Always create an unsigned type.
2028         (set_sizetype): Assert that the passed type is unsigned and simplify.
2029         * tree.c (build_common_tree_nodes): Remove second parameter.
2030         Adjust call to initialize_sizetypes.
2031         * c-decl.c (c_init_decl_processing): Remove second argument in call to
2032         build_common_tree_nodes.
2033
2034 2010-04-18  Matthias Klose  <doko@ubuntu.com>
2035
2036         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
2037
2038 2010-04-18  Ira Rosen  <irar@il.ibm.com>
2039
2040         PR tree-optimization/43771
2041         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
2042         load permutation doesn't have gaps.
2043
2044 2010-04-18  Jan Hubicka  <jh@suse.cz>
2045
2046         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
2047         (sse_prologue_save_insn expander): Use new pattern.
2048         (sse_prologue_save_insn1): New pattern and splitter.
2049         (sse_prologue_save_insn): Update to deal also with 64bit aligned
2050         blocks.
2051         * i386.c (setup_incoming_varargs_64): Do not compute jump
2052         destination here.
2053         (ix86_gimplify_va_arg): Update alignment needed.
2054         (ix86_local_alignment): Do not align all local arrays to 128bit.
2055
2056 2010-04-17  Jan Hubicka  <jh@suse.cz>
2057
2058         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2059
2060 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2061
2062         * arm.md (negdi2): Remove redundant code to force values into a
2063         register.
2064
2065 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2066
2067         * arm/bpabi.S: Add EABI alignment attributes to objects.
2068         * arm/bpabi-v6m.S: Likewise.
2069         * arm/crti.asm: Likewise.
2070         * arm/crtn.asm: Likewise.
2071         * arm/lib1funcs.asm: Likewise.
2072         * arm/libunwind.S: Likewise.
2073
2074 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2075
2076         * arm-protos.h (tune_params): New structure.
2077         * arm.c (current_tune): New variable.
2078         (arm_constant_limit): Delete.
2079         (struct processors): Add pointer to the tune parameters.
2080         (arm_slowmul_tune): New tuning option.
2081         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2082         (all_cores): Adjust to pick up the tuning model.
2083         (arm_constant_limit): New function.
2084         (arm_override_options): Select the appropriate tuning model.  Delete
2085         initialization of arm_const_limit.
2086         (arm_split_constant): Use the new constant-limit model.
2087         (arm_rtx_costs): Pick up the current tuning model.
2088         * arm.md (is_strongarm, is_xscale): Delete.
2089         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2090         for Xscale variant architectures.
2091         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2092
2093 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2094
2095         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2096         can_shift.
2097         (arm_rtx_costs_1): Remove unused variable extra_cost.
2098         (arm_unwind_emit_set): Use variable offset.
2099         (thumb1_output_casesi): Remove unused variable flags.
2100
2101 2010-04-16  Jeff Law  <law@redhat.com>
2102
2103         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2104         needing assignment rather than doing a two-phase assignment.  Remove
2105         unused variable 'm'.
2106
2107 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2108
2109         PR bootstrap/43767
2110         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2111
2112 2010-04-16  Doug Kwan  <dougkwan@google.com>
2113
2114         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2115         (next_operand_entry_id): New static variable.
2116         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2117         (add_to_ops_vec): Assigned unique ID to operand entry.
2118         (struct oecount_s): New field ID.
2119         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2120         (undistribute_ops_list): Assign unique IDs to oecounts.
2121         (init_reassoc): reset next_operand_entry_id.
2122
2123 2010-04-16  Doug Kwan  <dougkwan@google.com>
2124
2125         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2126         missing left parenthesis.
2127
2128 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2129
2130         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2131         *btdi_rex64 using SWI48 mode iterator.
2132         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2133         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2134         *jcc_btdi_mask_rex64.
2135
2136 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2137
2138         * double-int.h (tree_to_double_int): Convert to macro.
2139         * double-int.c (tree_to_double_int): Remove.
2140
2141 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2142
2143         PR debug/43762
2144         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2145         with want_address 2 and in case a single element list might be
2146         possible, call it again with want_address 0.
2147
2148 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2149
2150         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2151         case 'W' print operands for HI mode.
2152         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2153         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2154         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2155         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2156
2157         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2158
2159         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2160         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2161         #xx:3 and #xx:4 mode.
2162
2163         * config/h8300/h8300.md (inverted load with HImode dest): Add
2164         support for H8300SX.
2165
2166         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2167         satisfy 'U' constraint.
2168
2169 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2170
2171         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2172         * configure: Regenerate.
2173         * config.in: Regenerate.
2174         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2175         works.
2176
2177 2010-04-16  Richard Guenther  <rguenther@suse.de>
2178
2179         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2180         (struct tree_decl_common): ... here.
2181         (DECL_PT_UID): Adjust.
2182         (SET_DECL_PT_UID): Likewise.
2183         (DECL_PT_UID_SET_P): Likewise.
2184
2185 2010-04-16  Richard Guenther  <rguenther@suse.de>
2186
2187         PR tree-optimization/43572
2188         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2189         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2190         * tree-flow.h (is_call_clobbered): Remove.
2191         * tree-flow-inline.h (is_call_clobbered): Likewise.
2192         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2193         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2194         (execute_return_slot_opt): Adjust.
2195         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2196         check for call clobbered vars here.
2197         (find_tail_calls): Move tailcall verification to the
2198         proper place.
2199
2200 2010-04-16  Diego Novillo  <dnovillo@google.com>
2201
2202         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2203
2204 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2205
2206         PR target/40603
2207         * config/arm/arm.md (cbranchqi4): New pattern.
2208         * config/arm/predicates.md (const0_operand,
2209         cbranchqi4_comparison_operator): New predicates.
2210
2211 2010-04-16  Richard Guenther  <rguenther@suse.de>
2212
2213         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2214         (dump_gimple_stmt): Likewise.
2215
2216 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2217
2218         * recog.h (struct recog_data): New field is_operator.
2219         (struct insn_operand_data): New field is_operator.
2220         * recog.c (extract_insn): Set recog_data.is_operator.
2221         * genoutput.c (output_operand_data): Emit code to set the
2222         is_operator field.
2223         * reload.c (find_reloads): Use it rather than testing for an
2224         empty constraint string.
2225
2226         PR target/41514
2227         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2228         If the previous insn is a cbranchsi4_insn with the same arguments,
2229         omit the compare instruction.
2230
2231         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2232         register, inputs must be low registers and we need a low register
2233         scratch.  Handle alternative 2 like alternative 3.
2234
2235 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2236
2237         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2238         don't call get_addr on both.  If one expression is a VALUE and
2239         the other a REG, check VALUE's locs if the REG isn't among them.
2240
2241 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2242
2243         * config/sh/sh.h (sh_frame_pointer_required): New function.
2244         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2245         (flag_omit_frame_pointer) Set.
2246         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2247         (rounded_frame_size): Adjust size with outgoing_args_size.
2248         (sh_set_return_address): Must return from stack pointer.
2249         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2250         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2251         (ACCUMULATE_OUTGOING_ARGS): Define.
2252         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2253         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2254
2255 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2256
2257         PR target/43471
2258         * config/sh/sh.c (sh_legitimize_reload_address): Use
2259         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2260         Remove a unneeded check for offset_base.
2261
2262 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2263
2264         * configure: Regenerated.
2265
2266 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2267
2268         * config/s390/s390.c (s390_call_save_register_used): Switch back
2269         to HARD_REGNO_NREGS.
2270
2271 2010-04-15  Richard Guenther  <rguenther@suse.de>
2272
2273         * alias.c (alias_set_subset_of): Handle alias-set zero
2274         child properly.
2275
2276 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2277             Julian Brown  <julian@codesourcery.com>
2278
2279         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2280         alternatives according to use of high and low regs.
2281         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2282         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2283         optimizing for size on Thumb-2.
2284
2285 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2286
2287         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2288
2289 2010-04-15  Richard Guenther  <rguenther@suse.de>
2290
2291         * tree-ssa-structalias.c (struct variable_info): Add
2292         is_fn_info flag.
2293         (new_var_info): Initialize it.
2294         (dump_constraints): Support printing last added constraints.
2295         (debug_constraints): Adjust.
2296         (dump_constraint_graph): Likewise.
2297         (make_heapvar_for): Check for NULL cfun.
2298         (get_function_part_constraint): New function.
2299         (get_fi_for_callee): Likewise.
2300         (find_func_aliases): Properly implement IPA PTA constraints.
2301         (process_ipa_clobber): New function.
2302         (find_func_clobbers): Likewise.
2303         (insert_into_field_list_sorted): Remove.
2304         (create_function_info_for): Properly allocate vars for IPA mode.
2305         Do not use insert_into_field_list_sorted.
2306         (create_variable_info_for): Properly generate constraints for
2307         global vars in IPA mode.
2308         (dump_solution_for_var): Always dump the solution.
2309         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2310         (find_what_var_points_to): Adjust.
2311         (pt_solution_set): Change.
2312         (pt_solution_ior_into): New function.
2313         (pt_solution_empty_p): Export.
2314         (pt_solution_includes_global): Adjust.
2315         (pt_solution_includes_1): Likewise.
2316         (pt_solutions_intersect_1): Likewise.
2317         (dump_sa_points_to_info): Check some invariants.
2318         (solve_constraints): Move constraint dumping ...
2319         (compute_points_to_sets): ... here.
2320         (ipa_pta_execute): ... and here.
2321         (compute_may_aliases): Do not re-compute points-to info
2322         locally if IPA info is available.
2323         (ipa_escaped_pt): New global var.
2324         (ipa_pta_execute): Properly implement IPA PTA.
2325         * tree-into-ssa.c (dump_decl_set): Support dumping
2326         decls not in referenced-vars.
2327         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2328         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2329         (dump_points_to_solution): Likewise.
2330         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2331         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2332         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2333         (copy_decl_to_var): Copy DECL_PT_UID.
2334         (copy_result_decl_to_var): Likewise.
2335         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2336         (copy_node_stat): Copy it.
2337         * tree.h (DECL_PT_UID): New macro.
2338         (SET_DECL_PT_UID): Likewise.
2339         (DECL_PT_UID_SET_P): Likewise.
2340         (struct tree_decl_minimal): Add pt_uid member.
2341         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2342         (pt_solution_empty_p): Declare.
2343         (pt_solution_set): Adjust.
2344         (ipa_escaped_pt): Declare.
2345         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2346         * gimple-pretty-print.c (pp_points_to_solution): New function.
2347         (dump_gimple_call): Dump call clobber/use information.
2348         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2349         * tree-pass.h (TDF_ALIAS): New dump option.
2350         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2351         * doc/invoke.texi (-fipa-pta): Update documentation.
2352
2353 2010-04-15  Richard Guenther  <rguenther@suse.de>
2354
2355         * Makefile.in (OBJS-common): Add gimple-fold.o.
2356         (gimple-fold.o): New rule.
2357         * tree.h (maybe_fold_offset_to_reference,
2358         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2359         prototypes ...
2360         * gimple.h: ... here.
2361         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2362         may_propagate_address_into_dereference): Move prototypes ...
2363         * gimple.h: ... here.
2364         * tree-ssa-ccp.c (get_symbol_constant_value,
2365         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2366         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2367         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2368         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2369         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2370         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2371         gimplify_and_update_call_from_tree): Move ...
2372         * gimple-fold.c: ... here.  New file.
2373         (ccp_fold_builtin): Rename to ...
2374         (gimple_fold_builtin): ... this.
2375         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2376
2377 2010-04-15  Richard Guenther  <rguenther@suse.de>
2378
2379         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2380         fit_double_type, force_fit_type_double, add_double_with_sign,
2381         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2382         lrotate_double, rrotate_double, div_and_round_double): Move ...
2383         * double-int.c: ... here.
2384         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2385         add_double, neg_double, mul_double_with_sign, mul_double,
2386         lshift_double, rshift_double, lrotate_double, rrotate_double,
2387         div_and_round_double): Move prototypes ...
2388         * double-int.h: ... here.
2389
2390 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2391
2392         PR target/43742
2393         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2394         matching constraints to ensure inputs match the output.
2395
2396 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2397
2398         PR target/43742
2399         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2400         in an input-only operand.
2401
2402 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2403
2404         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2405         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2406         (double_int_negative_p): Convert to static inline function.
2407         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2408         (double_int_negative_p): Remove.
2409         * tree.h (lshift_double, rshift_double):
2410         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2411         * fold-const.c (fold_convert_const_int_from_real,
2412         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2413         (lshift_double): Change type of arith argument to bool.
2414         (rshift_double): Change type of arith argument to bool. Correct
2415         comment.
2416         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2417
2418 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2419
2420         PR target/21803
2421         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2422         at the start and end of the then/else blocks, and omit them from the
2423         conversion.
2424         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2425         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2426         (flow_find_head_matching_sequence): New function.
2427         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2428         * basic-block.h (flow_find_cross_jump,
2429         flow_find_head_matching_sequence): Declare functions.
2430
2431 2010-04-14  Jason Merrill  <jason@redhat.com>
2432
2433         PR c++/36625
2434         * c-common.c (attribute_takes_identifier_p): New fn.
2435         * c-common.h: Declare it.
2436
2437 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2438
2439         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2440         splitter condition.
2441         (*udivmod<mode>4): Ditto.
2442
2443 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2444
2445         * config/i386/i386.md (maxmin_int): Rename code attribute from
2446         maxminiprefix and update all users.
2447         (maxmin_float): Ditto from maxminfprefix.
2448         (logic): Ditto from logicprefix.
2449         (absneg_mnemonic): Ditto from absnegprefix.
2450         * config/i386/mmx.md: Update all users of maxminiprefix,
2451         maxminfprefix and logicprefix for rename.
2452         * config/i386/sse.md: Ditto.
2453         * config/i386/sync.md (sync_<code><mode>): Update for
2454         logicprefix rename.
2455
2456 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2457
2458         PR 42966
2459         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2460         warnings converted to errors.
2461
2462 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2463
2464         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2465         used insn_type variable.
2466         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2467         to avoid set-but-not-used warning.
2468
2469 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2470
2471         * df-core.c (df_ref_debug): Change format string placeholder
2472         from 0x%x to %#x.
2473         * dwarf2asm.c (dw2_asm_output_data_raw,
2474         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2475         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2476         * dwarf2out.c (output_cfi, output_cfi_directive,
2477         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2478         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2479         Ditto.
2480         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2481         * print-rtl.c (print_rtx): Ditto.
2482
2483 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2484
2485         PR middle-end/42694
2486         * builtins.c (expand_builtin_pow_root): New function to expand pow
2487         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2488         series of sqrt and cbrt calls under -ffast-math.
2489         (expand_builtin_pow): Call it.
2490
2491 2010-04-14  Michael Matz  <matz@suse.de>
2492
2493         PR tree-optimization/42963
2494         * tree-cfg.c (touched_switch_bbs): New static variable.
2495         (group_case_labels_stmt): New function broken out from ...
2496         (group_case_labels): ... here, use the above.
2497         (start_recording_case_labels): Allocate touched_switch_bbs.
2498         (end_recording_case_labels): Deallocate it, call
2499         group_case_labels_stmt.
2500         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2501
2502 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2503
2504         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2505         from insn template.
2506
2507 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2508
2509         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2510
2511 2010-04-13  Jan Hubicka  <jh@suse.cz>
2512
2513         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2514         of optimized out static functions.
2515         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2516         cost computation.  Also sanity check for overflows.
2517         (update_caller_keys): Update cgraph_edge_badness call; properly
2518         update fibheap and sanity check that it is up to date.
2519         (add_new_edges_to_heap): Update cgraph_edge_badness.
2520         (cgraph_decide_inlining_of_small_function): Likewise;
2521         add sanity checking that badness in heap is up to date;
2522         improve dumping of reason; Update badness of calls to the
2523         offline copy of function currently inlined; dump badness
2524         of functions not inlined because of unit growth limits.
2525
2526 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2527
2528         PR middle-end/32628
2529         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2530         because of sign-extension change when converting to sizetype here...
2531         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2532
2533         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2534         the folding to constants.  Remove redundant final conversion.
2535         (fold_binary) <associate>: Do not associate if the re-association of
2536         constants alone overflows.
2537         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2538         to the end of the list.
2539         (multiple_of_p) <COND_EXPR>: New case.
2540
2541 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2542
2543         * opt-functions.awk (opt_sanitized_name): New.
2544         (opt_enum): New.
2545         * optc-gen.awk: Use it
2546         * opth-gen.awk: Use it.
2547
2548 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2549
2550         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2551         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2552         children.  Call replace_uses_with_default_def_ssa_name to handle
2553         SSA_NAES on lhs.
2554
2555 2010-04-13  Michael Matz  <matz@suse.de>
2556
2557         PR middle-end/43730
2558         * builtins.c (expand_builtin_interclass_mathfn): Also create
2559         a register if the predicate doesn't match.
2560
2561 2010-04-13  Diego Novillo  <dnovillo@google.com>
2562
2563         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2564         * c-pch.c: Include timevar.h.
2565         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2566         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2567         * ggc-common.c: Include timevar.h.
2568         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2569         * timevar.def (TV_PCH_SAVE): Define.
2570         (TV_PCH_CPP_SAVE): Define.
2571         (TV_PCH_PTR_REALLOC): Define.
2572         (TV_PCH_PTR_SORT): Define.
2573         (TV_PCH_RESTORE): Define.
2574         (TV_PCH_CPP_RESTORE): Define.
2575
2576 2010-04-13  Michael Matz  <matz@suse.de>
2577
2578         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2579         into MINUS_EXPRs.
2580         (can_reassociate_p): New function.
2581         (break_up_subtract_bb, reassociate_bb): Use it.
2582
2583 2010-04-13  Richard Guenther  <rguenther@suse.de>
2584
2585         PR bootstrap/43737
2586         * builtins.c (c_readstr): Fix assert.
2587
2588 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2589
2590         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2591         when generating cltd insn.
2592
2593         (*ashl<mode>3_1): Remove special handling for register operand 2.
2594         (*ashlsi3_1_zext): Ditto.
2595         (*ashlhi3_1): Ditto.
2596         (*ashlhi3_1_lea): Ditto.
2597         (*ashlqi3_1): Ditto.
2598         (*ashlqi3_1_lea): Ditto.
2599         (*<shiftrt_insn><mode>3_1): Ditto.
2600         (*<shiftrt_insn>si3_1_zext): Ditto.
2601         (*<shiftrt_insn>qi3_1_slp): Ditto.
2602         (*<rotate_insn><mode>3_1): Ditto.
2603         (*<rotate_insn>si3_1_zext): Ditto.
2604         (*<rotate_insn>qi3_1_slp): Ditto.
2605
2606 2010-04-13  Richard Guenther  <rguenther@suse.de>
2607
2608         * tree-ssa-structalias.c (callused_id): Remove.
2609         (call_stmt_vars): New.
2610         (get_call_vi): Likewise.
2611         (lookup_call_use_vi): Likewise.
2612         (lookup_call_clobber_vi): Likewise.
2613         (get_call_use_vi): Likewise.
2614         (get_call_clobber_vi): Likewise.
2615         (make_transitive_closure_constraints): Likewise.
2616         (handle_const_call): Adjust to do per-call call-used handling.
2617         (handle_pure_call): Likewise.
2618         (find_what_var_points_to): Remove general callused handling.
2619         (init_base_vars): Likewise.
2620         (init_alias_vars): Initialize call_stmt_vars.
2621         (compute_points_to_sets): Process call-used and call-clobbered
2622         vars for call statements.
2623         (delete_points_to_sets): Free call_stmt_vars.
2624
2625 2010-04-13  Richard Guenther  <rguenther@suse.de>
2626
2627         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2628         Only add RW dependence for dependence distance zero.
2629         Adjust maximal vectorization factor according to dependences.
2630         Move alignment handling ...
2631         (vect_find_same_alignment_drs): ... here.  New function.
2632         (vect_analyze_data_ref_dependences): Adjust.
2633         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2634         (vect_analyze_data_refs): Adjust minimal vectorization factor
2635         according to data references.
2636         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2637         dependences before determining the vectorization factor.
2638         Analyze alignment after determining the vectorization factor.
2639         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2640         dependences before alignment.
2641         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2642         Adjust prototype.
2643         (vect_analyze_data_refs): Likewise.
2644         (MAX_VECTORIZATION_FACTOR): New define.
2645
2646 2010-04-13  Duncan Sands  <baldrick@free.fr>
2647
2648         * except.h (lang_eh_type_covers): Remove.
2649         * except.c (lang_eh_type_covers): Likewise.
2650
2651 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2652             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2653
2654         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2655         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2656         UNITS_PER_LONG where it is ABI relevant.
2657         (s390_return_addr_rtx): Likewise.
2658         (s390_back_chain_rtx): Likewise.
2659         (s390_frame_area): Likewise.
2660         (s390_frame_info): Likewise.
2661         (s390_initial_elimination_offset): Likewise.
2662         (save_gprs): Likewise.
2663         (s390_emit_prologue): Likewise.
2664         (s390_emit_epilogue): Likewise.
2665         (s390_function_arg_advance): Likewise.
2666         (s390_function_arg): Likewise.
2667         (s390_va_start): Likewise.
2668         (s390_gimplify_va_arg): Likewise.
2669         (s390_function_profiler): Likewise.
2670         (s390_optimize_prologue): Likewise.
2671         (s390_rtx_costs): Likewise.
2672         (s390_secondary_reload): Likewise.
2673         (s390_promote_function_mode): Likewise.
2674         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2675         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2676         registers available.
2677         (s390_unwind_word_mode): New function.
2678         (s390_function_value): Split 64 bit values into register pair if
2679         used as return value.
2680         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2681         function call parameters.  Handle parallels.
2682         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2683         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2684         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2685         (s390_expand_setmem): Remove unused variable src_addr.
2686         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2687         deal with 64 bit registers.
2688         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2689         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2690         (UNITS_PER_LONG): New macro.
2691         * libjava/include/s390-signal.h: Define extended ucontext
2692         structure containing the upper halfs of the 64 bit registers.
2693
2694 2010-04-13  Simon Baldwin  <simonb@google.com>
2695
2696         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2697
2698 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2699
2700         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2701         rvalue on the RHS if the LHS is of a non-renamable type.
2702         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2703
2704 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2705
2706         * gcc.c (cc1_options): Handle -iplugindir before processing
2707         the cc1 spec. Only add -iplugindir once.
2708         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2709         found.
2710         * common.opt (iplugindir): Remove `Separate' property, initialize.
2711         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2712         option.
2713         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2714         (distclean): Remove plugin dir.
2715         * doc/invoke.texi: Document -iplugindir.
2716
2717 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2718
2719         * doc/plugins.texi (Loading Plugins): Document short
2720         -fplugin=foo option.
2721         (Plugin API): Mention default_plugin_dir_name function.
2722
2723         * gcc.c (find_file_spec_function): Add new declaration.
2724         (static_spec_func): Use it for "find-file".
2725         (find_file_spec_function): Add new function.
2726         (cc1_options): Add -iplugindir option if -fplugin* options found.
2727
2728         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2729
2730         * plugin.c (add_new_plugin): Updated comment, and handle short
2731         plugin name.
2732         (default_plugin_dir_name): Added new function.
2733
2734         * common.opt (iplugindir): New option to set the plugin directory.
2735
2736 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2737
2738         * config/i386/i386.md (any_rotate): New code iterator.
2739         (rotate_insn): New code attribute.
2740         (rotate): Ditto.
2741         (SWIM124): New mode iterator.
2742         (<rotate_insn>ti3): New expander.
2743         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2744         any_rotate code iterator.
2745         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2746         using any_rotate code iterator and SWIM124 mode iterator.
2747         (ix86_rotlti3): New insn_and_split pattern.
2748         (ix86_rotrti3): Ditto.
2749         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2750         ix86_rotl{di,ti}3 patterns.
2751         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2752         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2753         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2754         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2755         code iterator and SWI mode iterator.
2756         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2757         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2758         code iterator.
2759         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2760         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2761         (bswap rotatert splitter): Add splitter.
2762         (bswap splitter): Macroize splitter using any_rotate code iterator.
2763         Add insn predicate to split only for TARGET_USE_XCHGB or when
2764         optimizing function for size.
2765
2766 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2767
2768         * config/pa/pa.c (emit_move_sequence): Remove use of
2769         deleted variable flag_argument_noalias.
2770
2771 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2772
2773         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2774         configurations.
2775         Add to unsupported targets list.
2776         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2777         sparc*-sun-solaris2.[567]* from target lists.
2778         * configure: Regenerate.
2779         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2780         removal.
2781         Remove Solaris 7 patch references.
2782         (Specific, sparc-sun-solaris2.7): Removed.
2783         (sparc-sun-solaris2*): Update Solaris 7 example.
2784         (sparc64-*-solaris2*): Likewise.
2785
2786 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2787
2788         * config.build (alpha*-dec-osf4*): Remove.
2789         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2790         of obsolete configurations.
2791         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2792         support.
2793         * config/alpha/t-osf4: Renamed to ...
2794         * config/alpha/t-osf5: ... this.
2795         * config/alpha/osf.h: Renamed to ...
2796         * config/alpha/osf5.h: ... this.
2797         Merged old osf5.h contents.
2798         Update comments.
2799         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2800         (EXTRA_SPECS): Removed.
2801         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2802         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2803         Document that.
2804
2805 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2806
2807         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2808
2809 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2810
2811         PR/43702
2812         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2813         __thiscall convention.
2814
2815 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2816
2817         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2818         orig_base.
2819         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2820
2821 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2822
2823         * function.c (assign_parms_initialize_all): Add unused attribute
2824         to fntype.
2825
2826 2010-04-12  Richard Guenther  <rguenther@suse.de>
2827
2828         * gsstruct.def (GSS_CALL): New.
2829         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2830         * gimple.h: Include tree-ssa-alias.h.
2831         (struct gimple_statement_call): New.
2832         (union gimple_statement_struct_d): Add gimple_call member.
2833         (gimple_call_reset_alias_info): Declare.
2834         (gimple_call_use_set): New function.
2835         (gimple_call_clobber_set): Likewise.
2836         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2837         * gimple.c (gimple_call_reset_alias_info): New function.
2838         (gimple_build_call_1): Call it.
2839         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2840         * tree-inline.c (remap_gimple_stmt): Likewise.
2841         (expand_call_inline): Remove callused handling.
2842         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2843         * tree-dfa.c (dump_variable): Likewise.
2844         * tree-parloops.c (parallelize_loops): Likewise.
2845         * tree-ssa.c (init_tree_ssa): Likewise.
2846         (delete_tree_ssa): Likewise.
2847         * tree-flow-inline.h (is_call_used): Remove.
2848         * tree-flow.h (struct gimple_df): Remove callused member.
2849         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2850         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2851         (ref_maybe_used_by_call_p_1): Simplify.
2852         (call_may_clobber_ref_p_1): Likewise.
2853         * tree-ssa-structalias.c (compute_points_to_sets): Set
2854         the call stmt used and clobbered sets.
2855         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2856         (find_tail_calls): Verify the tail call.
2857
2858 2010-04-12  Richard Guenther  <rguenther@suse.de>
2859
2860         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2861         single-iteration always-inline inlining.
2862         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2863         (cgraph_decide_inlining): Do not handle always-inline specially.
2864         (try_inline): Remove always-inline cycle detection special case.
2865         Do not recurse on always-inlines.
2866         (cgraph_early_inlining): Do not iterate if not optimizing.
2867         (cgraph_gate_early_inlining): remove.
2868         (pass_early_inline): Run unconditionally.
2869         (gate_cgraph_decide_inlining): New function.
2870         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2871         not inlining or optimizing.
2872         (cgraph_decide_inlining_of_small_functions): Also consider
2873         always-inline functions.
2874         (cgraph_default_inline_p): Return true for nodes which should
2875         disregard inline limits.
2876         (estimate_function_body_sizes): Assume zero size and time for
2877         nodes which are marked as disregarding inline limits.
2878         (cgraph_decide_recursive_inlining): Do not perform recursive
2879         inlining on always-inline nodes.
2880
2881 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2882
2883         PR bootstrap/43699
2884         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2885         for exprs satisfying handled_component_p.
2886
2887 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2888
2889         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2890         non-constant aggregate elements.
2891
2892         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2893         is a real initialization.
2894
2895 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2896
2897         PR c/36774
2898         * c-decl.c (start_function): Move forward check for nested function.
2899
2900 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2901
2902         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2903         * config/sh/sh.c: Include reload.h.
2904         (sh_legitimize_reload_address): New.
2905         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2906         sh_legitimize_reload_address.
2907
2908 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2909
2910         * config/sh/sh.md (*movqi_pop): New insn pattern.
2911         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2912
2913 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2914
2915         * config/i386/i386.md (any_shiftrt): New code iterator.
2916         (shiftrt_insn): New code attribute.
2917         (shiftrt): Ditto.
2918         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2919         using any_shiftrt code iterator.
2920         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2921         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2922         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2923         pattern from corresponding peephole2 patterns.
2924         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2925         using any_shiftrt code iterator.
2926         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2927         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2928         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2929         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2930         *{ashr,lshr}<mode>3_cmp_zext.
2931         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2932
2933 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2934
2935         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2936         scratch register.
2937         (*lshr<mode>3_cconly): Ditto.
2938
2939 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2940
2941         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2942         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2943         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2944         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2945         DWI mode iterator.
2946         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2947         from corresponding peephole2 patterns.
2948         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2949         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2950         and *lshrdi3_1_rex64 using SWI mode iterator.
2951         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2952         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2953         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2954         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2955         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2956         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2957         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2958         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2959         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2960         SWI mode iterator.
2961
2962 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2963
2964         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2965         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2966         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2967         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2968         DWI mode iterator.
2969         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2970         from corresponding peephole2 patterns.
2971         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2972         (ashrsi3_cvt): Rename from ashrsi3_31.
2973         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2974         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2975         and x86_64_shift_adj_3 using SWI48 mode iterator.
2976         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2977         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2978         and *ashrdi3_1_rex64 using SWI mode iterator.
2979         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2980         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2981         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2982         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2983         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2984         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2985         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2986         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2987         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2988         SWI mode iterator.
2989         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2990         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2991         x86_shift<mode>_adj_3 expanders.
2992
2993 2010-04-10  Wei Guozhi  <carrot@google.com>
2994
2995         PR target/42601
2996         * config/arm/arm.c (arm_pic_static_addr): New function.
2997         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2998         a static symbol.
2999         (arm_output_addr_const_extra): Output expression for new pattern.
3000         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
3001
3002 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
3003
3004         * ira-costs.c (record_reg_classes): Ignore alternatives that are
3005         not enabled.
3006
3007         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
3008         * web.c: Include "insn-config.h" and "recog.h".
3009         (union_match_dups): New function.
3010         (web_main): Call it.
3011         (union_defs): Don't try to recognize match_dups.
3012
3013         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
3014         if doing so would replace the entire pattern.
3015
3016 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3017
3018         PR target/43707
3019         PR target/43709
3020         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
3021         and splitter pattern.  Change splitter operand 1 predicate to
3022         nonmemory_operand.
3023
3024 2010-04-09  Martin Jambor  <mjambor@suse.cz>
3025
3026         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
3027         lattices are addresses of CONST_DECLs with the same initial value.
3028         (ipcp_print_all_lattices): Print values of CONST_DECLs.
3029         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
3030
3031 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
3032             Bernd Schmidt  <bernds@codesourcery.com>
3033
3034         * loop-invariant.c (replace_uses): New static function.
3035         (move_invariant_reg): Use it to ensure we can replace the uses.
3036
3037 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
3038
3039         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
3040         function template.
3041         (picochip_override_options): Enable section anchors only above -O1.
3042         (picochip_reorg): Fixed a couple of build warnings.
3043
3044 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3045
3046         * configure.ac (plugin -rdynamic test): Log result.
3047         * configure: Regenerate.
3048         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
3049         (RDYNAMIC_SPEC): Define.
3050         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
3051
3052 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3053
3054         * configure.ac: Determine Sun ld version numbers.
3055         (comdat_group): Restrict GNU ld version checks to gld.
3056         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3057         (enable_comdat): Support --enable-comdat.
3058         * configure: Regenerate.
3059         * doc/install.texi (Configuration): Document --enable-comdat.
3060
3061 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3062
3063         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
3064         * config/sol2-gld.h: ... here.
3065         * config.gcc (sparc*-*-solaris2*): Reflect this.
3066         (i[34567]86-*-solaris2*): Use it.
3067
3068 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
3069
3070         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3071         setup_clocks_p.
3072         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3073
3074 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3075
3076         PR 42965
3077         * diagnostic.c (diagnostic_initialize): Initialize
3078         some_warnings_are_errors.
3079         (diagnostic_finish): New.
3080         (diagnostic_action_after_output): Call it before exiting.
3081         (diagnostic_report_diagnostic): Do not print message here. Set
3082         some_warnings_are_errors.
3083         * diagnostic.h (diagnostic_context): Delete
3084         issue_warnings_are_errors_message. Add some_warnings_are_errors.
3085         (diagnostic_finish): Declare.
3086         * toplev.c (toplev_main): Call it before exit.
3087
3088 2010-04-09  Jason Merrill  <jason@redhat.com>
3089
3090         PR c++/42623
3091         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3092         for incomplete type.
3093
3094         PR c++/41788
3095         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3096         based on a warning flag.
3097
3098 2010-04-09  Richard Guenther  <rguenther@suse.de>
3099
3100         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3101
3102 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
3103
3104         PR bootstrap/43684
3105         * varasm.c (default_assemble_visibility): Wrap vars that are
3106         set, but unused, by targets without GAS.
3107         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3108         Remove set, but unused, vars.
3109         (rs6000_legitimize_tls_address): Likewise.
3110         (altivec_expand_dst_builtin): Likewise.
3111         * config/darwin.c (machopic_classify_symbol): Likewise.
3112         (machopic_indirection_name): Likewise.
3113
3114 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3115
3116         * config/i386/i386.md (DWI): New mode iterator.
3117         (S): New mode attribute.
3118         (shift_operand): Ditto.
3119         (shift_immediate_operand): Ditto.
3120         (ashl_input_operand): Ditto.
3121         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3122         using SDWIM mode iterator.
3123         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3124         pattern from *ashl{di,ti}3_1 and corresponding splitters using
3125         DWI mode iterator.
3126         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3127         from corresponding peephole2 patterns.
3128         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3129         and x86_64_shift_adj_1 using SWI48 mode iterator.
3130         (x86_shift<mode>_adj_2): Ditto.
3131         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3132         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3133         using SWI48 mode iterator.
3134         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3135         *ashldi3_cmp_rex64 using SWI mode iterator.
3136         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3137         *ashldi3_cconly_rex64 using SWI mode iterator.
3138         * config/i386/i386.c (ix86_split_ashl): Update for renamed
3139         x86_shift<mode>_adj_{1,2}.
3140         (ix86_split_ashr): Ditto.
3141         (ix86_split_lshr): Ditto.
3142
3143 2010-04-09  Richard Guenther  <rguenther@suse.de>
3144
3145         * target.h (builtin_conversion): Pass in input and output types.
3146         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3147         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3148         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3149         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3150
3151         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3152         Handle AVX modes.
3153         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3154
3155 2010-04-09  Richard Guenther  <rguenther@suse.de>
3156
3157         PR target/43152
3158         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3159
3160 2010-04-09  Richard Guenther  <rguenther@suse.de>
3161
3162         * tree-vectorizer.h (struct _stmt_vec_info): Document
3163         that vectype is the type of the LHS.
3164         (supportable_widening_operation, supportable_narrowing_operation):
3165         Get both input and output vector types as arguments.
3166         (vect_is_simple_use_1): Declare.
3167         (get_same_sized_vectype): Likewise.
3168         * tree-vect-loop.c (vect_determine_vectorization_factor):
3169         Set STMT_VINFO_VECTYPE to the vector type of the def.
3170         (vectorizable_reduction): Adjust.
3171         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3172         Adjust.  Specify the output vector type.
3173         (vect_pattern_recog_1): Adjust.
3174         * tree-vect-stmts.c (get_same_sized_vectype): New function.
3175         (vectorizable_call): Adjust.
3176         (vectorizable_conversion): Likewise.
3177         (vectorizable_operation): Likewise.
3178         (vectorizable_type_demotion): Likewise.
3179         (vectorizable_type_promotion): Likewise.
3180         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3181         the def.
3182         (vect_is_simple_use_1): New function.
3183         (supportable_widening_operation): Get both input and output
3184         vector types.
3185         (supportable_narrowing_operation): Likewise.
3186         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3187
3188 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
3189
3190         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3191         __thiscall and _thiscall as predefined macros.
3192         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3193         thiscall attribute handling.
3194         (ix86_comp_type_attributes): Likewise.
3195         (ix86_function_regparm): Likewise.
3196         (ix86_return_pops_args): Likewise.
3197         (init_cumulative_args): Likewise.
3198         (find_drap_reg): Likewise.
3199         (ix86_static_chain): Likewise.
3200         (x86_this_parameter): Likewise.
3201         (x86_output_mi_thunk): Likewise.
3202         (ix86_attribute_table): Add description for thiscall attribute.
3203         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3204         * doc/extend.texi: Add documentation for thiscall.
3205
3206 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3207
3208         PR c++/28584
3209         * c.opt (Wint-to-pointer-cast): Available in C++.
3210         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3211
3212 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
3213
3214         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3215         * calls.c (expand_call): Pass the function type to aggregate_value_p.
3216         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3217         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
3218         function type instead.  Reorder and simplify checks.
3219
3220         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3221
3222 2010-04-08  Jing Yu  <jingyu@google.com>
3223             Zdenek Dvorak  <ook@ucw.cz>
3224
3225         PR tree-optimization/42720
3226         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3227         loop unswitch conditions here from ...
3228         (tree_unswitch_single_loop): ... here.
3229
3230 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3231
3232         * tree-if-conv.c: Fix comments and simplify logic.
3233
3234 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3235
3236         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3237         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
3238         (main_tree_if_conversion): Update call to tree_if_conversion.
3239
3240 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3241
3242         PR 42485
3243         * doc/invoke.texi (-b,-V): Delete.
3244         * doc/tm.texi: Do not mention -b.
3245         * gcc.c (display_help): Delete -b and -V.
3246         (process_command): Delete -b and -V.
3247         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3248
3249 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
3250             Wolfgang Gellerich  <gellerich@de.ibm.com>
3251
3252         Implement target hook for loop unrolling
3253         * target.h (loop_unroll_adjust): Add a new target hook function.
3254         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3255         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3256         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3257         (s390_loop_unroll_adjust): Implement the new target hook for s390.
3258         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3259         target hook.
3260         (decide_unroll_stupid): Likewise.
3261
3262 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3263
3264         PR target/43643
3265         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3266
3267 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3268
3269         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3270         (Specific, *-*-solaris2*): Likewise.
3271         Don't prefer Sun as over GNU as.
3272
3273 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
3274
3275         * config/s390/s390.c (override_options): Adjust the z10
3276           defaults for max-unroll-times, max-completely-peeled-insns
3277           and max-completely-peel-times.
3278
3279 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3280
3281         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3282         instructions for z10.
3283         (s390_expand_setmem): Likewise.
3284         (s390_expand_cmpmem): Likewise.
3285
3286 2010-04-08  Richard Guenther  <rguenther@suse.de>
3287
3288         PR tree-optimization/43679
3289         * tree-ssa-pre.c (eliminate): Only propagate copies.
3290
3291 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3292
3293         PR bootstrap/43681
3294         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3295         set but not used variable warning.
3296
3297 2010-04-08  Wei Guozhi  <carrot@google.com>
3298
3299         PR target/41653
3300         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3301         (arm_size_rtx_costs): Call the new function when optimized for size.
3302
3303 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3304
3305         PR debug/43670
3306         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3307         op0 is not a MEM, just return NULL instead of assertion
3308         failure.
3309         (discover_nonconstant_array_refs): Don't walk debug stmts.
3310
3311 2010-04-08  Doug Kwan  <dougkwan@google.com>
3312
3313         * configure.ac: Recognize gold and do not use its version number
3314         to test ld features.
3315         * configure: Regenerate.
3316
3317 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
3318
3319         PR middle-end/40815
3320         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3321         (negate_value): Move code to push elements to broken_up_substracts ...
3322         (eliminate_plus_minus_pair): ... here.  Push operands that have no
3323         negative pair to plus_negates.
3324         (repropagate_negates, init_reassoc, fini_reassoc): Update.
3325
3326 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3327
3328         * doc/install.texi (Configuration): Move description of
3329         --enable-lto, --with-libelf*, --enable-gold from Java section to
3330         general section.
3331
3332         * doc/generic.texi (Working with declarations)
3333         (Function Properties, C and C++ Trees): Fix typos.
3334         * doc/sourcebuild.texi (Top Level): Likewise.
3335
3336 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3337
3338         PR c/18624
3339         * tree.h (DECL_READ_P): Define.
3340         (struct tree_decl_common): Add decl_read_flag.
3341         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3342         a set but not used warning.
3343         (merge_decls): Merge DECL_READ_P flag.
3344         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3345         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3346         * c-common.c (handle_used_attribute, handle_unused_attribute):
3347         Likewise.
3348         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3349         New prototypes.
3350         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3351         New functions.
3352         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3353         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3354         c_parser_binary_expression, c_parser_cast_expression,
3355         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3356         Call default_function_array_read_conversion instead of
3357         default_function_array_conversion where needed.
3358         (c_parser_unary_expression, c_parser_conditional_expression,
3359         c_parser_postfix_expression_after_primary, c_parser_initelt):
3360         Likewise.  Call mark_exp_read where needed.
3361         (c_parser_statement_after_labels, c_parser_asm_operands,
3362         c_parser_typeof_specifier, c_parser_sizeof_expression,
3363         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3364         where needed.
3365         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3366         New.
3367         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3368         (warn_unused_but_set_parameter): Default to warn_unused
3369         && extra_warnings.
3370         * doc/invoke.texi: Document -Wunused-but-set-variable and
3371         -Wunused-but-set-parameter.
3372
3373         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3374         used count variable.
3375         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3376         when operandN variables aren't used in the body of the expander
3377         or splitter.
3378         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3379         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3380         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3381         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3382         FOR_EACH_IMM_USE_ON_STMT): Likewise.
3383         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3384         * tree.c (PROCESS_ARG): Likewise.
3385
3386 2010-04-07  Simon Baldwin  <simonb@google.com>
3387
3388         * diagnostic.h (diagnostic_override_option_index): New macro to
3389         set a diagnostic's option_index.
3390         * c-tree.h (c_cpp_error): Add warning reason argument.
3391         * opts.c (_warning_as_error_callback): New.
3392         (register_warning_as_error_callback): Store callback for
3393         warnings enabled via enable_warning_as_error.
3394         (enable_warning_as_error): Call callback, minor code tidy.
3395         * opts.h (register_warning_as_error_callback): Declare.
3396         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3397         response to -Werror=.
3398         (c_common_init_options): Register warning_as_error_callback in opts.c.
3399         * common.opt: Add -Wno-cpp option.
3400         * c-common.c (struct reason_option_codes_t): Map cpp warning
3401         reason codes to gcc option indexes.
3402         * (c_option_controlling_cpp_error): New function, lookup the gcc
3403         option index for a cpp warning reason code.
3404         * (c_cpp_error): Add warning reason argument, call
3405         c_option_controlling_cpp_error for diagnostic_override_option_index.
3406         * doc/invoke.texi: Document -Wno-cpp.
3407
3408 2010-04-07  Richard Guenther  <rguenther@suse.de>
3409
3410         * ipa-reference.c (mark_load): Use get_base_address.
3411         (mark_store): Likewise.
3412
3413         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3414         inserting GIMPLE_NOPs into the IL.
3415         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3416         Explicitly strip handled components and indirect references.
3417
3418         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3419         folding address expressions.
3420         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3421         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3422         operand_equal_p to compare decls.
3423         (ptr_deref_may_alias_decl_p): Likewise.
3424         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3425         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3426         Handle reversed comparison ops.
3427         * tree-sra.c (asm_visit_addr): Use get_base_address.
3428         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3429         * ipa-reference.c (mark_address): Use get_base_address.
3430
3431 2010-04-07  Richard Guenther  <rguenther@suse.de>
3432
3433         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3434         Propagate constants everywhere.
3435
3436 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3437
3438         PR debug/43516
3439         * tree.c (MAX_INT_CACHED_PREC): Define.
3440         (nonstandard_integer_type_cache): New array.
3441         (build_nonstandard_integer_type): Cache results for precision
3442         <= MAX_INT_CACHED_PREC.
3443
3444 2010-04-07  Richard Guenther  <rguenther@suse.de>
3445
3446         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3447         -fargument-noalias-global, -fargument-noalias-anything): Remove.
3448         * common.opt: Likewise.
3449         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3450         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3451         (nonoverlapping_memrefs_p): Likewise.
3452         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3453         * opts.c (common_handle_option): Handle OPT_fargument_alias,
3454         OPT_fargument_noalias, OPT_fargument_noalias_anything and
3455         OPT_fargument_noalias_global for backward compatibility.
3456
3457 2010-04-07  Richard Guenther  <rguenther@suse.de>
3458
3459         PR tree-optimization/43270
3460         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3461         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3462         * tree-ssa-pre.c (phi_translate_1): Adjust.
3463         (fully_constant_expression): Split out vn_reference handling to ...
3464         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3465         Fold reads from constant strings.
3466         (vn_reference_lookup): Handle fully constant references.
3467         (vn_reference_lookup_pieces): Likewise.
3468         * Makefile.in (expmed.o-warn): Add -Wno-error.
3469
3470 2010-04-07  Martin Jambor  <mjambor@suse.cz>
3471
3472         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3473
3474 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
3475
3476         PR driver/41594
3477         * gcc.c: Add -static-libstdc++ to list of recognized options.
3478
3479 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3480
3481         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3482
3483 2010-04-07  Richard Guenther  <rguenther@suse.de>
3484
3485         PR middle-end/42617
3486         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3487         bases build simple mem attributes to retain points-to information.
3488
3489 2010-04-07  Richard Guenther  <rguenther@suse.de>
3490
3491         PR middle-end/42617
3492         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3493         preserve points-to related information.
3494
3495 2010-04-07  Richard Guenther  <rguenther@suse.de>
3496
3497         PR middle-end/42617
3498         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3499         discard plain indirect references.
3500         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3501         * tree.c (tree_nop_conversion): Likewise.
3502
3503 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
3504
3505         PR debug/43628
3506         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3507
3508 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
3509
3510         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3511         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3512
3513 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3514
3515         * tree-if-conv.c: Fix indentation and comments.
3516
3517 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3518
3519         * tree-if-conv.c: Sort static functions in topological order.
3520
3521 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3522
3523         * tree-if-conv.c: Fix indentation and comments.
3524
3525 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3526
3527         PR middle-end/43519
3528         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3529         lang_hooks.types.type_for_size instead of
3530         build_nonstandard_integer_type.
3531         When converting an unsigned type to signed, double its precision.
3532         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3533         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3534         (graphite_create_new_loop_guard): When ub + 1 wraps around,
3535         use lb <= ub.
3536
3537 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3538
3539         PR middle-end/43519
3540         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3541         POINTER_PLUS_EXPR for pointer types.
3542
3543 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3544
3545         PR middle-end/43519
3546         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3547         * graphite-clast-to-gimple.c: Include langhooks.h.
3548         (max_signed_precision_type): New.
3549         (max_precision_type): Takes two types as arguments.
3550         (precision_for_value): New.
3551         (precision_for_interval): New.
3552         (gcc_type_for_interval): New.
3553         (gcc_type_for_value): New.
3554         (gcc_type_for_clast_term): New.
3555         (gcc_type_for_clast_red): New.
3556         (gcc_type_for_clast_bin): New.
3557         (gcc_type_for_clast_expr): Split up into several functions.
3558         (gcc_type_for_clast_eq): Rewritten.
3559         (compute_bounds_for_level): New.
3560         (compute_type_for_level_1): New.
3561         (compute_type_for_level): New.
3562         (gcc_type_for_cloog_iv): Removed.
3563         (gcc_type_for_iv_of_clast_loop): Rewritten.
3564         (graphite_create_new_loop): Compute the lower and upper bound types
3565         with gcc_type_for_clast_expr.
3566         (graphite_create_new_loop_guard): Same.
3567         (find_cloog_iv_in_expr): Removed.
3568         (compute_cloog_iv_types_1): Removed.
3569         (compute_cloog_iv_types): Removed.
3570         (gloog): Do not call compute_cloog_iv_types.
3571         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3572         GBB_CLOOG_IV_TYPES.
3573         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3574         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3575         (GBB_CLOOG_IV_TYPES): Removed.
3576
3577 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3578
3579         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3580         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3581         (detect_commutative_reduction): Same.
3582
3583 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3584
3585         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3586         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
3587         argument.
3588         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3589         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3590         (rewrite_commutative_reductions_out_of_ssa): Same.
3591         * passes.c (execute_function_todo): Call verify_ssa for every pass
3592         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
3593         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3594         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3595         with an extra argument.
3596         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
3597         verify_ssa only when the extra argument is true.
3598         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3599         with an extra argument.
3600         (tree_transform_and_unroll_loop): Same.
3601
3602 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3603
3604         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3605         for all the passes of the LNO having LOOP_CLOSED_SSA.
3606         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3607         * tree-loop-distribution.c (pass_loop_distribution): Same.
3608         * tree-pass.h (TODO_verify_loops): Removed.
3609         * tree-ssa-loop.c (pass_tree_loop_init): Same.
3610         (pass_lim): Same.
3611         (pass_tree_unswitch): Same.
3612         (pass_predcom): Same.
3613         (pass_vectorize): Same.
3614         (pass_linear_transform): Same.
3615         (pass_graphite_transforms): Same.
3616         (pass_iv_canon): Same.
3617         (pass_complete_unroll): Same.
3618         (pass_complete_unrolli): Same.
3619         (pass_parallelize_loops): Same.
3620         (pass_loop_prefetch): Same.
3621         (pass_iv_optimize): Same.
3622
3623 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
3624
3625         PR middle-end/32824
3626         * passes.c (init_optimization_passes): Move pass_lim before
3627         pass_copy_prop and pass_dce_loop.
3628
3629 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3630
3631         PR target/43667
3632         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3633         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3634         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3635         MULTI_* defines for 4 argument vpermil2p* builtins.
3636
3637 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3638
3639         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3640         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3641         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3642         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3643         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3644         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3645         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3646         Use x86_maybe_negate_const_int to output insn mnemonic.
3647         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3648         check from instruction predicate.  Update comments.
3649         * config/i386/sync.md (sync_add<mode>): Use
3650         x86_maybe_negate_const_int to output insn mnemonic.
3651
3652 2010-04-06  Jan Hubicka  <jh@suse.cz>
3653
3654         PR tree-optimization/42906
3655         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3656         IGNORE_SELF argument.  Set visited_control_parents for fully
3657         processed BBs.
3658         (find_obviously_necessary_stmts): Update call of
3659         mark_control_dependent_edges_necessary.
3660         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3661
3662 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3663
3664         * config/i386/i386.md: Remove comment about 'e' and 'E'
3665         operand modifier.
3666
3667 2010-04-06  Richard Guenther  <rguenther@suse.de>
3668
3669         PR tree-optimization/43627
3670         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3671         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3672         not varying.
3673
3674 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3675
3676         * BASE-VER: Change to 4.6.0.
3677
3678         PR target/43638
3679         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3680         handling.
3681
3682 2010-04-06  Richard Guenther  <rguenther@suse.de>
3683
3684         PR middle-end/43661
3685         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3686
3687 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3688
3689         * doc/invoke.texi (Optimize Options): Document that LTO
3690         won't remove object access purely due to incompatible
3691         declarations.
3692
3693 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3694
3695         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3696         Initialize variable.
3697
3698 2010-04-03  Richard Guenther  <rguenther@suse.de>
3699
3700         PR middle-end/42509
3701         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3702         require a non-NULL MEM_OFFSET.
3703
3704 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3705
3706         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3707         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3708         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3709         config/alpha/predicates.md, config/arm/arm.md,
3710         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3711         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3712         config/darwin9.h, config/darwin.c, config/darwin.h,
3713         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3714         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3715         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3716         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3717         config/mips/mips.md, config/mn10300/mn10300.c,
3718         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3719         config/rs6000/aix.h, config/rs6000/dfp.md,
3720         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3721         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3722         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3723         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3724         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3725         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3726         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3727         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3728         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3729         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3730         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3731         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3732         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3733         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3734         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3735         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3736         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3737         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3738         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3739         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3740         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3741         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3742         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3743         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3744         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3745         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3746         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3747         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3748         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3749         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3750         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3751         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3752         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3753         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3754         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3755         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3756
3757 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3758
3759         PR other/43620
3760         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3761         * aclocal.m4: Regenerate.
3762
3763 2010-04-02  Richard Guenther  <rguenther@suse.de>
3764
3765         PR tree-optimization/43629
3766         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3767         if we have seen a constant value.
3768
3769 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3770
3771         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3772
3773 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3774
3775         PR target/43469
3776         * arm.c (legitimize_tls_address): Adjust call to
3777         gen_tls_load_dot_plus_four.
3778         (arm_note_pic_base): New function.
3779         (arm_cannot_copy_insn_p): Use it.
3780         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3781         constraint.
3782
3783 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3784
3785         PR bootstrap/43531
3786
3787         Revert:
3788         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3789
3790         * Makefile.in ($(out_object_file)): Depend on
3791         gt-$(basename $(notdir $(out_file))).h.
3792
3793 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3794
3795         * config.gcc (lm32-*-rtems*): Add t-lm32.
3796
3797 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3798
3799         * config.gcc: Add lm32-*-rtems*.
3800         * config/lm32/rtems.h: New file.
3801
3802 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3803
3804         PR target/42609
3805         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3806
3807 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3808
3809         * dwarf2out.c (output_compilation_unit_header): For
3810         -gdwarf-4 use version 4 instead of version 3.
3811         (output_line_info): For version 4 and above emit additional
3812         maximum ops per insn header field.
3813         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3814
3815         * dwarf2out.c (is_c_family, is_java): Remove.
3816         (lower_bound_default): New function.
3817         (add_bound_info, gen_descr_array_type_die): Use it.
3818
3819 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3820
3821         PR debug/43325
3822         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3823         re-declaration when it happens in a function.
3824
3825 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3826
3827         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3828         (cgraph_remove_function_insertion_hook): Same.
3829         (cgraph_call_function_insertion_hooks): Same.
3830
3831 2010-04-01  Richard Guenther  <rguenther@suse.de>
3832
3833         PR middle-end/43614
3834         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3835         and TREE_THIS_VOLATILE.
3836         (copy_ref_info): Likewise.
3837         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3838         * tree.c (build6_stat): Ignore side-effects of all but arg5
3839         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3840         TARGET_MEM_REF.
3841
3842 2010-04-01  Richard Guenther  <rguenther@suse.de>
3843
3844         PR tree-optimization/43607
3845         * ipa-type-escape.c (check_call): Do not access non-existing
3846         arguments.
3847
3848 2010-04-01  Richard Guenther  <rguenther@suse.de>
3849
3850         PR middle-end/43602
3851         Revert
3852         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3853                     Jack Howarth <howarth@bromo.med.uc.edu>
3854
3855         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3856         variables TLS.
3857
3858 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3859
3860         * doc/install.texi (Prerequisites): Document libelf usability on
3861         IRIX 5/6 and Solaris 2.
3862         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3863         Update GNU as, GNU ld requirements.
3864         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3865         Document Sun Studio compiler download.
3866         Update and simplify as, ld recommendations.
3867         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3868
3869 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3870
3871         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3872         with_tune_32 to pentium4.
3873
3874 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3875
3876         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3877
3878 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3879
3880         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3881         obsoletion, removal.
3882         Update IDO URL.
3883         Document GNU as requirement.
3884         Update configure requirements.
3885         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3886         Recomment IRIX 6.5.18+.
3887         Document IDF/IDL requirement.
3888         Document GNU as requirement.
3889         Document GNU ld bootstrap failure.
3890         Remove freeware.sgi.com reference.
3891
3892 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3893
3894         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3895         UNIX V4.0, V5.0 obsoletion, removal.
3896         Remove --with-gc=simple reference.
3897         Update VM requirements during bootstrap.
3898         Remove -oldas bootstrap description.
3899         Update binutils reference.
3900         Remove comparison failure note.
3901
3902 2010-03-31  Richard Guenther  <rguenther@suse.de>
3903             Zdenek Dvorak  <ook@ucw.cz>
3904             Sebastian Pop  <sebastian.pop@amd.com>
3905
3906         PR middle-end/43464
3907         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3908         with multiple arguments.
3909         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3910
3911 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3912
3913         * graphite-dependences.c (print_pddr): Call print_pdr with an
3914         extra argument.
3915         * graphite-poly.c (debug_pdr): Add an extra argument for the
3916         verbosity level.
3917         (print_pdr): Same.
3918         (print_pbb_domain): Same.
3919         (print_pbb): Same.
3920         (print_scop_context): Same.
3921         (print_scop): Same.
3922         (print_cloog): Same.
3923         (debug_pbb_domain): Same.
3924         (debug_pbb): Same.
3925         (print_pdrs): Same.
3926         (debug_pdrs): Same.
3927         (debug_scop_context): Same.
3928         (debug_scop): Same.
3929         (debug_cloog): Same.
3930         (print_scop_params): Same.
3931         (debug_scop_params): Same.
3932         (print_iteration_domain): Same.
3933         (print_iteration_domains): Same.
3934         (debug_iteration_domain): Same.
3935         (debug_iteration_domains): Same.
3936         (print_scattering_function): Same.
3937         (print_scattering_functions): Same.
3938         (debug_scattering_function): Same.
3939         (debug_scattering_functions): Same.
3940         * graphite-poly.h (debug_pdr): Update declaration.
3941         (print_pdr): Same.
3942         (print_pbb_domain): Same.
3943         (print_pbb): Same.
3944         (print_scop_context): Same.
3945         (print_scop): Same.
3946         (print_cloog): Same.
3947         (debug_pbb_domain): Same.
3948         (debug_pbb): Same.
3949         (print_pdrs): Same.
3950         (debug_pdrs): Same.
3951         (debug_scop_context): Same.
3952         (debug_scop): Same.
3953         (debug_cloog): Same.
3954         (print_scop_params): Same.
3955         (debug_scop_params): Same.
3956         (print_iteration_domain): Same.
3957         (print_iteration_domains): Same.
3958         (debug_iteration_domain): Same.
3959         (debug_iteration_domains): Same.
3960         (print_scattering_function): Same.
3961         (print_scattering_functions): Same.
3962         (debug_scattering_function): Same.
3963         (debug_scattering_functions): Same.
3964
3965 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3966
3967         * graphite-poly.c (print_scattering_function_1): New.
3968         (print_scattering_function): Call it.
3969         (print_scop_params): Remove spaces at the end of lines.
3970         (print_cloog): New.
3971         (debug_cloog): New.
3972         * graphite-poly.h (print_cloog): Declared.
3973         (debug_cloog): Declared.
3974
3975 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3976
3977         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3978         in loop->header.
3979         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3980         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3981         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3982         to switch between adding the IV bump in loop->latch or in loop->header.
3983
3984 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3985
3986         * graphite-poly.c (print_scattering_function): Pretty print following
3987         the scoplib format.
3988         (print_pdr): Same.
3989         (print_pbb_domain): Same.
3990         (dump_gbb_cases): Same.
3991         (dump_gbb_conditions): Same.
3992         (print_pdrs): Same.
3993         (print_pbb): Same.
3994         (print_scop_params): Same.
3995         (print_scop_context): Same.
3996         (print_scop): Same.
3997         (print_pbb_body): New.
3998         (lst_indent_to): New.
3999         (print_lst): Start new lines with a #.
4000         * graphite-poly.h (pbb_bb): New.
4001         (pbb_index): Use pbb_bb.
4002         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
4003         disjuncts.
4004         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
4005
4006 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
4007
4008         * dwarf2out.c (size_of_die): For -gdwarf-4 use
4009         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
4010         and 0 instead of 1 for dw_val_class_flag.
4011         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
4012