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2010-05-06 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-06  Richard Guenther  <rguenther@suse.de>
2
3         PR tree-optimization/43571
4         * domwalk.c (walk_dominator_tree): Walk the dominator
5         sons in more optimal order.
6
7 2010-05-06  Richard Guenther  <rguenther@suse.de>
8
9         PR tree-optimization/43934
10         * tree-ssa-loop-im.c (movement_possibility): Handle PHI nodes.
11         (stmt_cost): Likewise.
12         (extract_true_false_args_from_phi): New helper.
13         (determine_max_movement): For PHI nodes verify we can hoist them
14         and compute their cost.
15         (determine_invariantness_stmt): Handle PHI nodes.
16         (move_computations_stmt): Likewise.  Hoist PHI nodes in
17         if-converted form using COND_EXPRs.
18         (move_computations): Return TODO_cleanup_cfg if we hoisted PHI
19         nodes.
20         (tree_ssa_lim): Likewise.
21         * tree-flow.h (tree_ssa_lim): Adjust prototype.
22         * tree-ssa-loop.c (tree_ssa_loop_im): Return todo.
23
24 2010-05-06  Richard Guenther  <rguenther@suse.de>
25
26         PR tree-optimization/43987
27         * tree-ssa-structalias.c (could_have_pointers): For possibly
28         address-taken variables force pointers to be recorded.
29         (create_variable_info_for_1): Likewise.
30         (push_fields_onto_fieldstack): Pass in wheter all fields
31         must have pointers.
32         (find_func_aliases): Query types instead of vars whether
33         they contain pointers where appropriate.
34
35 2010-05-06  Jan Hubicka  <jh@suse.cz>
36
37         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
38         (record_reference, mark_address, mark_load, mark_store): Record
39         references.
40         (record_references_in_initializer): Update call of record_references.
41         (rebuild_cgraph_edges): Remove all references before rebuiding.
42         * cgraph.c (cgraph_create_node): Clear ref list.
43         (cgraph_remove_node): Remove references.
44         (dump_cgraph_node): Dump references.
45         (cgraph_clone_node): Clone references.
46         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
47         (struct cgraph_node, varpool_node): Add ref_lst.
48         * ipa-ref.c: New file.
49         * ipa-ref.h: New file.
50         * ipa-ref-inline.h: New file.
51         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
52         (referenced_from_other_partition_p): New function.
53         (lto_output_varpool_node): Take set arugment; call
54         referenced_from_other_partition.
55         (lto_output_ref): New.
56         (add_references): New.
57         (output_refs): New.
58         (output_cgraph): Compute boundary based on references;
59         output refs.
60         (output_varpool): Accept cgraph_node_set argument.
61         (input_ref): New.
62         (input_refs): New.
63         (input_cgraph): Call input_refs.
64         * lto-section-in.c (lto_section_name): Add refs.
65         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
66         (ipa-ref.o): New file.
67         * varpool.c (varpool_node): Clear ipa ref list.
68         (varpool_remove_node): Remove references.
69         (dump_varpool_node): Dump references.
70         (varpool_assemble_decl): Only compile finalized ones.
71         (varpool_extra_name_alias): Initialize ref list.
72         * lto-streamer.c (lto-get_section_name): Add .refs section.
73         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
74         (referenced_from_other_partition_p): Declared.
75
76 2010-05-06  Ira Rosen  <irar@il.ibm.com>
77
78         PR tree-optimization/43901
79         * tree-vect-stmts.c (vectorizable_call): Assert that vector
80         type is not NULL if it's transformation phase, and return
81         FALSE if it's analysis.
82         (vectorizable_conversion, vectorizable_operation, 
83         vectorizable_type_demotion, vectorizable_type_promotion):
84         Likewise.
85
86 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
87
88         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
89         Delete.
90         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
91         New define.
92         * config/mips/mips-protos.h
93         (mips_small_register_classes_for_mode_p): Delete prototype.
94
95 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
96
97         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
98         * config/arm/arm.c (multiple_operation_profitable_p,
99         compute_offset_order): New static functions.
100         (load_multiple_sequence, store_multiple_sequence): Use them.
101         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
102         memory offsets, not register numbers.
103         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
104
105 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
106
107         * stor-layout.c (pending_sizes): Change the type to
108         VEC(tree,gc) *.
109         (get_pending_sizes, put_pending_size, put_pending_sizes):
110         Update the uses of pending_sizes.
111         * c-decl.c (store_parm_decls): Likewise.
112         * c-tree.h (struct c_arg_info): Likewise.
113         * tree.h: Update the prototype for get_pending_sizes and
114         put_pending_sizes.
115
116 2010-05-05  Jason Merrill  <jason@redhat.com>
117
118         PR debug/43370
119         * c-common.c (handle_aligned_attribute): Respect
120         ATTR_FLAG_TYPE_IN_PLACE.
121
122         PR testsuite/43758
123         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
124         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
125         (TARGET_INITIALIZER): Use it.
126         * c-common.c (attribute_takes_identifier_p): Call it.
127         * c-common.h: Update prototype.
128         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
129         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
130
131 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
132
133         PR debug/43950
134         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
135         DW_ID_down_case for Fortran compilation units.
136
137 2010-05-05  Jan Hubicka  <jh@suse.cz>
138
139         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
140         handle aliases.
141
142 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
143
144         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
145         a variable-sized RESULT_DECL.
146
147 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
148
149         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
150
151 2010-05-05  Jason Merrill  <jason@redhat.com>
152
153         PR c++/43787
154         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
155         returns GS_OK.
156         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
157
158 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
159             Jakub Jelinek  <jakub@redhat.com>
160
161         PR debug/43478
162         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
163         (dead_debug_init, dead_debug_finish): New functions.
164         (dead_debug_add, dead_debug_insert_before): Likewise.
165         (df_note_bb_compute): Initialize a dead_debug object, add dead
166         debug uses to it, insert debug bind insns before death insns,
167         reset debug insns that refer to pending uses at the end.
168         * rtl.h (make_debug_expr_from_rtl): New prototype.
169         * varasm.c (make_debug_expr_from_rtl): New function.
170
171 2010-05-05  Jan Hubicka  <jh@suse.cz>
172
173         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
174         (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
175         lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
176         lto_varpool_encoder_encode_initializer_p,
177         lto_set_varpool_encoder_encode_initializer): New functions.
178         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
179         call output_varpool.
180         (input_varpool_node): Do not always set analyzed.
181         (input_cgraph_1): Return vector of cgraph nodes.
182         (input_varpool_1): Return vector of varpools.
183         (input_cgraph): Free the vectors.
184         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
185         output only initializers needed.
186         (lto_output): Only call output_cgraph.
187         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
188         * lto-section-out.c (lto_new_out_decl_state): Initialize
189         state->varpool_node_encoder.
190         * lto-streamer.h (lto_varpool_encoder_d): New.
191         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.     
192         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
193         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
194         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
195         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
196         Declare.
197         (output_varpool, input_varpool): Remove declarations.
198
199 2010-05-05  Jan Hubicka  <jh@suse.cz>
200
201         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
202         with body can prevail.
203
204 2010-05-05  Jan Hubicka  <jh@suse.cz>
205
206         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
207         size.
208
209 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
210
211         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
212         dependencies.
213
214         * gengtype.h (erro_at_line): Constify pos argument.
215
216         * gengtype.c: Include hashtab.h.
217         (enum gc_used): Document GC_MAYBE_POINTED_TO.
218         (error_at_line): Constify pos argument.
219         (do_typedef): Initialize p->opt field.
220         (get_file_gtfilename): Fix comment typo.
221         (struct walk_type_data): Constify line field.
222         (get_output_file_for_structure): New function.
223         (write_local_func_for_structure): Constify orig_s argument.
224         Use get_output_file_for_structure.
225         (write_func_for_structure): Use get_output_file_for_structure.
226         (INDENT): New define.
227         (dump_pair, dump_type, dump_type_list, dump_typekind)
228         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
229         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
230         functions.
231         (seen_types): New variable.
232         (main): New variable do_dump.  Process "-d" command line option.
233         Call dump_everything if dump requested.
234
235 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
236
237         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
238         in a temporary instead of invoking the macro multiple times.
239         (track_expr_p): Likewise.
240
241 2010-05-04  Neil Vachharajani <nvachhar@google.com>
242
243         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
244         per new semantics.
245         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
246         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
247         conditions for printing notes.
248         * common.opt (-Wcoverage-mismatch): Allow negative, default to
249         true, update documentation.
250         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
251
252 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
253
254         PR c/43981
255         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
256         on dimen.
257
258 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
259
260         PR target/43799
261         * config/i386/i386.md (sse_prologue_save): Add clobber CC
262         register.
263         (*sse_prologue_save_insn1): Likewise.
264         (SSE prologue save splitter): Likewise.
265
266 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
267
268         * tree.c (free_lang_data_in_one_sizepos): New inline function.
269         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
270         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
271         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
272         all decls.  Call it on DECL_FIELD_OFFSET of fields.
273         (find_decls_types_r): Follow DECL_VALUE_EXPR.
274         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
275
276 2010-05-04  Martin Jambor  <mjambor@suse.cz>
277
278         * tree-sra.c (build_access_from_expr_1): The first parameter type
279         changed to simple tree.
280         (build_access_from_expr): Likewise, gsi parameter was eliminated.
281         (scan_assign_result): Renamed to assignment_mod_result, enum elements
282         renamed as well.
283         (build_accesses_from_assign): Removed all parameters except for a
284         simple gimple statement.  Now returns a simple bool.
285         (scan_function): All non-analysis parts moved to separate functions
286         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
287         parameters and updated both callers.
288         (sra_modify_expr): Removed parameter data.
289         (sra_modify_function_body): New function.
290         (perform_intra_sra): Call sra_modify_function_body to modify the
291         function body.
292         (replace_removed_params_ssa_names): Parameter data changed into
293         adjustments vector.
294         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
295         changed the parameter dont_convert to convert with the opposite
296         meaning.
297         (sra_ipa_modify_assign): Parameter data changed into adjustments
298         vector, return value changed to bool.
299         (ipa_sra_modify_function_body): New function.
300         (sra_ipa_reset_debug_stmts): Updated a comment.
301         (modify_function): Use ipa_sra_modify_function_body to modify function
302         body.
303
304 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
305
306         PR middle-end/43671
307         * alias.c (true_dependence): Handle the same VALUE in x and mem.
308         (canon_true_dependence): Likewise.
309         (write_dependence_p): Likewise.
310
311 2010-05-04  Jan Hubicka  <jh@suse.cz>
312
313         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
314         * cgraphbuild.c: Include ipa-utils.h
315         (record_reference_ctx): New struct.
316         (record_reference): Simplify to work on initializers; not statements.
317         (mark_address, mark_load, mark_store): New.
318         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
319         walk PHI nodes too.
320         (record_references_in_initializer): Update use of record_reference.
321         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
322         walk PHI nodes too.
323
324 2010-05-04  Jan Hubicka  <jh@suse.cz>
325
326         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
327         node will be removed anyway.
328         (lto_varpool_replace_node): Allow also unanalyzed nodes;
329         relink aliases of node into prevailing node.
330         * varpool.c (varpool_remove_node): Remove aliases properly;
331         when removing node, remove all its aliases too; remove DECL_INITIAL
332         of removed node; ggc_free the varpool node.
333
334 2010-05-04  Richard Guenther  <rguenther@suse.de>
335
336         PR tree-optimization/43879
337         * tree-ssa-structalias.c (alias_get_name): Use
338         DECL_ASSEMBLER_NAME if available.
339         (create_function_info_for): Return the varinfo node.
340         (ipa_pta_execute): Associate same-body aliases and extra names
341         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
342
343 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
344
345         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
346         static.
347
348 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
349
350         PR bootstrap/43964
351         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
352         only if HONOR_REG_ALLOC_ORDER is not defined.
353
354 2010-05-04  Richard Guenther  <rguenther@suse.de>
355
356         PR tree-optimization/43949
357         * tree-vrp.c (extract_range_from_binary_expr): Only handle
358         TRUNC_MOD_EXPR.
359
360 2010-04-26  Jason Merrill  <jason@redhat.com>
361
362         * c.opt (-fstrict-enums): New.
363         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
364
365 2010-05-03  David Ung <davidu@mips.com>
366             James E. Wilson  <wilson@codesourcery.com>
367
368         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
369         emit the trap instruction before the divide for TUNE_74K.
370
371 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
372
373         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
374         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
375         based on the above, for new target hook.
376
377         * hooks.c (hook_bool_mode_true): New generic hook.
378         * hooks.h (hook_bool_mode_true): Add prototype.
379
380         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
381         target hook.
382         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
383         target hook, set to hook_bool_mode_false.
384         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
385         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
386         with targetm.small_register_classes_for_mode_p.
387         (find_reusable_reload): Likewise.
388         (combine_reloads): Likewise.
389         * reload1.c (reload_as_needed): Likewise.
390         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
391         * ifcvt.c (noce_process_if_block, check_cond_move_block,
392         dead_or_predicable): Likewise.
393         * regmove.c (optimize_reg_copy_1): Likewise.
394         * calls.c (prepare_call_address): Likewise.
395         (precompute_register_parameters): Likewise.
396
397         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
398         hook definition.
399         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
400         implementation of the hook that considers all register classes
401         small except for SH64.
402         (sh_override_options): Use the new hook.
403         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
404         Add prototype.
405
406         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
407         hook definition.
408         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
409         implementation of the hook that considers all register classes
410         small for THUMB1.
411         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
412         Add prototype.
413
414         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
415         hook definition.
416         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
417         implementation of the hook that considers all register classes
418         small for MIPS16.
419         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
420         Add prototype.
421
422         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
423         hook definition.
424         * config/m32c/m32c.h: Likewise.
425         * config/pdp11/pdp11.h: Likewise.
426         * config/avr/avr.h: Likewise.
427         * config/xtensa/xtensa.h: Likewise.
428         * config/m68hc11/m68hc11.h: Likewise.
429         * config/mn10300/mn10300.h: Likewise.
430         * config/mcore/mcore.h: Likewise.
431         * config/h8300/h8300.h: Likewise.
432         * config/bfin/bfin.h: Likewise.
433
434         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
435         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
436
437 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
438
439         * double-int.h (tree_to_double_int): Remove macro.
440         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
441         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
442         (tree_to_double_int): New function.
443         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
444         Move ...
445         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
446
447 2010-05-03  Richard Guenther  <rguenther@suse.de>
448
449         PR tree-optimization/43971
450         * tree-ssa-structalias.c (get_constraint_for_1): Fix
451         constraints in the !flag_delete_null_pointer_checks case.
452
453 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
454
455         PR debug/43972
456         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
457         result mode matches original rtl mode.
458
459 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
460
461         PR target/43888
462         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
463
464 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
465
466         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
467         when processing flag options.
468
469 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
470
471         * gcov-iov.c (main): Change format string placeholder
472         from %#08x to 0x%08x.
473         * genchecksum.c (dosum): Change format string placeholder
474         from %#02x to 0x%02x.
475
476 2010-05-02  Richard Guenther  <rguenther@suse.de>
477
478         PR tree-optimization/43879
479         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
480
481 2010-05-02  Bruno Haible  <bruno@clisp.org>
482
483         * doc/extend.texi (Function Attributes): Fix a typo.
484
485 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
486
487         Revert:
488         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
489         placeholder from 0x%x to %#x.
490         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
491         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
492         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
493         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
494         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
495         * config/i386/i386.c (ix86_target_string): Ditto.
496         * config/i386/i386.c (output_pic_addr_const): Ditto.
497         (print_operand): Ditto.
498
499 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
500
501         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
502         placeholder from 0x%x to %#x.
503         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
504         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
505         (ASM_OUTPUT_DEBUG_DATA): Ditto.
506         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
507         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
508         * optc-gen.awk: Ditto.
509         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
510         (HOST_WIDE_INT_PRINT_HEX): Ditto.
511         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
512         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
513
514 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
515
516         * target.h (struct calls): Add function_value_regno_p field.
517         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
518         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
519         * targhooks.c (default_function_value_regno_p): New function.
520         * targhooks.h (default_function_value_regno_p): Declare function.
521         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
522         * builtins.c. (apply_result_size): (Ditto.).
523         * combine.c. (likely_spilled_retval_p): (Ditto.).
524         * mode-switching.c. Include 'target.h'.
525         (create_pre_exit): Use function_value_regno_p hook.
526         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
527         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
528         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
529
530         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
531         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
532         (ix86_function_value_regno_p): Declare as static, change argument
533         type to const unsigned int.
534         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
535
536 2010-05-01  Richard Guenther  <rguenther@suse.de>
537
538         PR tree-optimization/43949
539         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
540         types.
541         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
542
543 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
544
545         * rtl.h (CONST_DOUBLE_P): Define.
546         (rtx_to_double_int): Declare.
547         * emit-rtl.c (rtx_to_double_int): New function.
548         * dwarf2out.c (insert_double): New function.
549         (loc_descriptor, add_const_value_attribute): Clean up, use
550         rtx_to_double_int and insert_double functions.
551
552 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
553
554         * doc/extend.texi (Inline): Add missing return keyword to examples.
555         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
556         "command-line".
557
558 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
559
560         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
561         the variable part of the offset as well.  Use highest_pow2_factor for
562         all alignment checks.
563
564 2010-04-30  Richard Guenther  <rguenther@suse.de>
565
566         PR tree-optimization/43879
567         * tree-ssa-structalias.c (type_could_have_pointers): Functions
568         can have pointers.
569
570 2010-04-30  Jan Hubicka  <jh@suse.cz>
571
572         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
573         varpool.
574         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
575
576 2010-04-30  Jan Hubicka  <jh@suse.cz>
577
578         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
579         New.
580         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
581         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
582         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
583         cgraph_node_set_needs_ltrans_p): Remove.
584
585 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
586
587         * sdbout.c: Include vec.h, do not include varray.h.
588         (deferred_global_decls, sdbout_global_decl,
589         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
590         * toplev.c: Do not include varray.h.
591         (dump_memory_report): Do not dump VARRAY statistics.
592         * gengtype.c (open_base_file): Ignore varray.h.
593         * Makefile.in: Update for abovementioned changes.
594         Remove all traces of varray.c and varray.h.
595         * varray.c: Remove file.
596         * varray.h: Remove file.
597
598 2010-04-30  Jan Hubicka  <jh@suse.cz>
599
600         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
601         references.
602
603 2010-04-30  Jan Hubicka  <jh@suse.cz>
604
605         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
606         needed.
607
608 2010-04-30  Richard Guenther  <rguenther@suse.de>
609
610         * tree-ssa-structalias.c (get_constraint_for_1): Generate
611         constraints for CONSTRUCTOR.
612
613 2010-04-30  Richard Guenther  <rguenther@suse.de>
614
615         PR lto/43946
616         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
617         first after all lowering passes.
618
619 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
620
621         * toplev.c: Include varray.h for statistics dumping.
622         * tree.h: Do not declare varray_head_tag.
623         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
624         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
625         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
626         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
627         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
628         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
629         c-common.c, c-common.h, reg-stack.c, basic-block.h,
630         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
631         include varray.h.
632         * Makefile.in: Update for abovementioned changes.
633
634 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
635
636         PR debug/43942
637         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
638
639 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
640
641         * config/picochip/picochip.c (picochip_legitimize_address): Define.
642         Use this function to do machine-specific conversion.
643         (picochip_legitimize_reload_address): Likewise.
644         (picochip_legitimate_address_p): Check valid base register only if
645         strict.
646         (picochip_check_conditional_copy): Check for modw only if opnd is
647         register.
648         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
649         to call the function in c.
650         * config/picochip/picochip-protos.h
651         (picochip_legitimize_reload_address): Define.
652         * config/picochip/picochip.md (supported_compare1): Define.
653
654 2010-04-30  Jan Hubicka  <jh@suse.cz>
655
656         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
657         (cgraph_global_info): Remove inlined.
658         (LTO_cgraph_tag_names): Remove.
659         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
660         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
661         simplify cgraph tags and document.
662         (lto_output_node): Use only LTO_cgraph_unavail_node and
663         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
664         for_functions_valid, global info, process and output flags.
665         (input_overwrite_node): Initialize estimated stack size and
666         estimated growth.  Do not read flags we no longer store.
667         (input_node): Likewise do not read info no longer stored.
668         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
669         flag.
670
671 2010-04-30  Richard Guenther  <rguenther@suse.de>
672
673         PR tree-optimization/43879
674         * tree-ssa-structalias.c (get_constraint_for_1): Properly
675         handle non-zero initializers.
676
677 2010-04-30  Richard Guenther  <rguenther@suse.de>
678
679         * builtins.c (fold_builtin_1): Delete free (0).
680
681 2010-04-29  Jan Hubicka  <jh@suse.cz>
682
683         * gengtype.c (open_base_files): Add lto-streamer.h
684         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
685         (pass_ipa_cp): GGC collect.
686         * toplev. (compile_file): Do not output symbols.
687         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
688         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
689         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
690         * lto-section-in.c: Include ggc.h
691         (lto_new_in_decl_state): Alloc in GGC.
692         (lto_delete_in_decl_state): Likewise.
693         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
694         Collect.
695
696 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
697
698         PR target/42895
699         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
700         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
701         (HONOR_REG_ALLOC_ORDER): Describe new macro.
702         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
703         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
704         account only if HONOR_REG_ALLOC_ORDER is not defined.
705         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
706         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
707
708 2010-04-29  Jon Grant  <04@jguk.org>
709
710         * collect2.c (vflag): Change type from int to bool.
711         (debug): Likewise.
712         (helpflag): New global bool.
713         (main): Set vflag and debug with boolean, not integer truth values.
714         Accept new "--help" option and output usage text if found.
715         * collect2.h (vflag): Update prototype.
716         (debug): Likewise.
717
718 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
719
720         PR bootstrap/43936
721         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
722
723 2010-04-29  Richard Guenther  <rguenther@suse.de>
724
725         PR bootstrap/43935
726         * plugin.h (invoke_plugin_callbacks): Annotate arguments
727         with ATTRIBUTE_UNUSED.
728
729 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
730
731         PR target/43921
732         * config/i386/i386.c (get_some_local_dynamic_name): Replace
733         INSN_P with NONDEBUG_INSN_P.
734         (distance_non_agu_define): Likewise.
735         (distance_agu_use): Likewise.
736
737 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
738
739         From Dominique d'Humieres <dominiq@lps.ens.fr>
740         PR bootstrap/43858
741         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
742         test_set.
743
744 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
745
746         * plugin.h (invoke_plugin_callbacks): New inline function.
747         * plugin.c (flag_plugin_added): New global flag.
748         (add_new_plugin): Initialize above flag.
749         (invoke_plugin_callbacks): Rename to ...
750         (invoke_plugin_callbacks_full): ... this.
751
752 2010-04-28  Jan Hubicka  <jh@suse.cz>
753
754         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
755         (lto_varpool_replace_node): New.
756         (lto_symtab_resolve_symbols): Resolve varpool nodes.
757         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
758         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
759         * cgraph.h (varpool_node_ptr): New type.
760         (varpool_node_ptr): New vector.
761         (varpool_node_set_def): New structure.
762         (varpool_node_set): New type.
763         (varpool_node_set): New vector.
764         (varpool_node_set_element_def): New structure.
765         (varpool_node_set_element, const_varpool_node_set_element): New types.
766         (varpool_node_set_iterator): New type.
767         (varpool_node): Add prev pointers, add used_from_other_partition,
768         in_other_partition.
769         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
770         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
771         varpool_get_node, varpool_remove_node): Declare.
772         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
773         varpool_node_set_size): New inlines.
774         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
775         * tree-pass.h (varpool_node_set_def): Forward declare.
776         (ipa_opt_pass_d): Summary writting takes vnode sets too.
777         (ipa_write_optimization_summaries): Update prototype.
778         * ipa-cp.c (ipcp_write_summary): Update.
779         * ipa-reference.c (ipa_reference_write_summary): Update.
780         * lto-cgraph.c (lto_output_varpool_node): New static function.
781         (output_varpool): New function.
782         (input_varpool_node): New static function.
783         (input_varpool_1): New function.
784         (input_cgraph): Input varpool.
785         * ipa-pure-const.c (pure_const_write_summary): Update.
786         * lto-streamer-out.c (lto_output): Update, output varpool too.
787         (write_global_stream): Kill WPA hack.
788         (produce_asm_for_decls): Update.
789         (output_alias_pair_p): Handle variables.
790         (output_unreferenced_globals): Output only needed partition of varpool.
791         * ipa-inline.c (inline_write_summary): Update.
792         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
793         cgraph.
794         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
795         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
796         varpool_node_set_new, varpool_node_set_add,
797         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
798         debug_varpool_node_set): New functions.
799         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
800         (execute_one_pass): Process new decls too.
801         (ipa_write_summaries_2): Pass around vsets.
802         (ipa_write_summaries_1): Likewise.
803         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
804         to add.
805         (ipa_write_optimization_summaries_1): Pass around vsets.
806         (ipa_write_optimization_summaries): Likewise.
807         * varpool.c (varpool_get_node): New.
808         (varpool_node): Update doubly linked lists.
809         (varpool_remove_node): New.
810         (dump_varpool_node): More dumping.
811         (varpool_enqueue_needed_node): Update doubly linked lists.
812         (decide_is_variable_needed): Kill ltrans hack.
813         (varpool_finalize_decl): Kill lto hack.
814         (varpool_assemble_decl): Skip decls in other partitions.
815         (varpool_assemble_pending_decls): Update doubly linkes lists.
816         (varpool_empty_needed_queue): Likewise.
817         (varpool_extra_name_alias): Likewise.
818         * lto-streamer.c (lto_get_section_name): Add vars section.
819         * lto-streamer.h (lto_section_type): Update.
820         (output_varpool, input_varpool): Declare.
821
822 2010-04-28  Mike Stump  <mikestump@comcast.net>
823
824         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
825
826 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
827
828         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
829         record or union type with RECORD_OR_UNION_TYPE_P predicate.
830         (lto_input_ts_type_tree_pointers): Likewise.
831         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
832         (lto_output_ts_type_tree_pointers): Likewise.
833
834 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
835
836         Uniquization of constants at the Tree level
837         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
838         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
839         bit to the end.
840         (tree_output_constant_def): Declare.
841         * gimplify.c (gimplify_init_constructor): When using block copy, first
842         uniquize the constant constructor on the RHS.
843         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
844         DECL_IN_CONSTANT_POOL flag.
845         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
846         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
847         constant pool.
848         (assemble_variable): Deal with symbols belonging to the tree constant
849         pool.
850         (get_constant_section): Add ALIGN parameter and simplify.
851         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
852         (assemble_constant_contents): Use the expression of the VAR_DECL.
853         (output_constant_def_contents): Use the alignment of the VAR_DECL.
854         (tree_output_constant_def): New global function.
855         (mark_constant): Use the expression of the VAR_DECL.
856         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
857         its expression.
858         (output_object_block): Likewise and assemble the expression.
859
860 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
861
862         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
863         hash_tree, eq_tree): New tree hash table.
864         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
865         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
866         lto_orig_address_remove): Reimplement.
867
868 2010-04-28  Xinliang David Li  <davidxl@google.com>
869
870         PR c/42643
871         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
872         (compute_uninit_opnds_pos): New function.
873         (is_non_loop_exit_postdominating): New function.
874         (compute_control_dep_chain): New function.
875         (find_pdom): New function.
876         (convert_control_dep_chain_into_preds): New function.
877         (find_predicates): New function.
878         (find_control_equiv_block): New function.
879         (collect_phi_def_edges): New function.
880         (find_def_preds): New function.
881         (find_dom): New function.
882         (dump_predicates): New function.
883         (get_cmp_code): New function.
884         (is_value_included_in): New function.
885         (find_matching_predicate_in_rest_chains): New function.
886         (use_pred_not_overlap_with_undef_path_pred): New function.
887         (is_use_properly_guarded): New function.
888         (normalize_cond_1): New function.
889         (is_and_or_or): New function.
890         (normalize_cond): New function.
891         (is_gcond_subset_of): New function.
892         (is_subset_of_any): New function.
893         (is_or_set_subset_of): New function.
894         (is_and_set_subset_of): New function.
895         (is_norm_cond_subset_of): New function.
896         (is_pred_expr_subset_of): New function.
897         (is_pred_chain_subset_of): New function.
898         (is_included_in): New function.
899         (is_superset_of): New function.
900         (find_uninit_use): New function.
901         (warn_uninitialized_phi): New function.
902         (compute_possibly_undefined_names): New function.
903         (ssa_undefined_value_p): New function.
904         (execute_late_warn_uninitialized): New function.
905         * tree-ssa.c (ssa_undefined_value_p): Removed.
906         (warn_uninit): Changed to extern.
907         (warn_uninitialized_phi): Removed.
908         (warn_uninitialized_vars): Changed to extern.
909         (execute_late_warn_uninitialized): Removed
910         * tree-flow.h: Add new prototypes.
911         * timevar.def: Add new time variable.
912         * Makefile.in: Add new build file.
913
914 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
915
916         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
917         type if available.
918
919 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
920
921         PR target/22224
922         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
923
924 2010-04-28  Martin Jambor  <mjambor@suse.cz>
925
926         * cgraph.h (struct cgraph_node): New field indirect_calls.
927         (struct cgraph_indirect_call_info): New type.
928         (struct cgraph_edge): Removed field indirect_call. New fields
929         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
930         (cgraph_create_indirect_edge): Declare.
931         (cgraph_make_edge_direct): Likewise.
932         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
933         * ipa-prop.h (struct ipa_param_call_note): Removed.
934         (struct ipa_node_params): Removed field param_calls.
935         (ipa_create_all_structures_for_iinln): Declare.
936         * cgraph.c: Described indirect edges and uids in initial comment.
937         (cgraph_add_edge_to_call_site_hash): New function.
938         (cgraph_edge): Search also among the indirect edges, use
939         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
940         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
941         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
942         site hash.
943         (initialize_inline_failed): Assign a reason to indirect edges.
944         (cgraph_create_edge_1): New function.
945         (cgraph_create_edge): Moved some functionality to
946         cgraph_create_edge_1.
947         (cgraph_create_indirect_edge): New function.
948         (cgraph_edge_remove_callee): Add an assert checking for
949         non-indirectness.
950         (cgraph_edge_remove_caller): Special-case indirect edges.
951         (cgraph_remove_edge): Likewise.
952         (cgraph_set_edge_callee): New function.
953         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
954         (cgraph_make_edge_direct): New function.
955         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
956         the declaration of the call statement matches.
957         (cgraph_node_remove_callees): Special-case indirect edges.
958         (cgraph_clone_edge): Likewise.
959         (cgraph_clone_node): Clone also the indirect edges.
960         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
961         indirect_call, dump count of indirect_calls edges.
962         * ipa-prop.c (iinlining_processed_edges): New variable.
963         (ipa_note_param_call): Create indirect edges instead of
964         creating notes.  New parameter node.
965         (ipa_analyze_call_uses): New parameter node, pass it on to
966         ipa_note_param_call.
967         (ipa_analyze_stmt_uses): Likewise.
968         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
969         (print_edge_addition_message): Work on edges rather than on notes.
970         (update_call_notes_after_inlining): Likewise, renamed to
971         update_indirect_edges_after_inlining.
972         (ipa_create_all_structures_for_iinln): New function.
973         (ipa_free_node_params_substructures): Do not free notes.
974         (ipa_edge_duplication_hook): Propagate bits within
975         iinlining_processed_edges bitmap.
976         (ipa_node_duplication_hook): Do not duplicate notes.
977         (free_all_ipa_structures_after_ipa_cp): Renamed to
978         ipa_free_all_structures_after_ipa_cp.
979         (free_all_ipa_structures_after_iinln): Renamed to
980         ipa_free_all_structures_after_iinln.g
981         (ipa_write_param_call_note): Removed.
982         (ipa_read_param_call_note): Removed.
983         (ipa_write_indirect_edge_info): New function.
984         (ipa_read_indirect_edge_info): Likewise.
985         (ipa_write_node_info): Do not stream notes, do stream information
986         in indirect edges.
987         (ipa_read_node_info): Likewise.
988         (lto_ipa_fixup_call_notes): Removed.
989         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
990         * ipa-inline.c (pass_ipa_inline): Likewise.
991         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
992         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
993         * tree-inline.c (copy_bb): Removed an unnecessary double check for
994         is_gimple_call.
995         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
996         edges.
997         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
998         (output_cgraph): Stream also indirect edges.
999         (lto_output_edge): Added capability to stream indirect edges.
1000         (input_edge): Likewise.
1001         (input_cgraph_1): Likewise.
1002         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
1003         of indirect edges.
1004
1005 2010-04-28  Richard Guenther  <rguenther@suse.de>
1006
1007         PR tree-optimization/43879
1008         PR tree-optimization/43909
1009         * tree-ssa-structalias.c (struct variable_info): Add
1010         only_restrict_pointers flag.
1011         (new_var_info): Initialize it.  Increment stats.total_vars here.
1012         (create_function_info_for): Do not increment stats.total_vars
1013         here.
1014         (get_function_part_constraint): Fix build with C++.
1015         (insert_into_field_list): Remove.
1016         (push_fields_onto_fieldstack): Properly merge fields.
1017         (create_variable_info_for): Split and simplify.
1018         (create_variable_info_for_1): New piece.
1019         (intra_create_variable_infos): Properly make restrict constraints
1020         from parameters.
1021
1022 2010-04-28  Richard Guenther  <rguenther@suse.de>
1023
1024         PR c++/43880
1025         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1026
1027 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1028             Jan Hubicka <hubicka@ucw.cz>
1029
1030         * doc/invoke.texi (-Wsuggest-attribute=const,
1031         -Wsuggest-attribute=pure): Document.
1032         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1033         (function_always_visible_to_compiler_p,
1034         suggest_attribute, warn_function_pure, warn_function_const):
1035         New functions.
1036         (check_call): Improve debug info.
1037         (analyze_function): Do not check availability.
1038         (add_new_function): Check availability.
1039         (propagate): Output warnings.
1040         (skip_function_for_local_pure_const): New function.
1041         (local_pure_const): Use it; output warnings.
1042         * common.opt (Wsuggest-attribute=const,
1043         Wsuggest-attribute=pure): New.
1044
1045 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1046
1047         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1048         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1049         or DW_CFA_def_cfa_offset{,_sf}.
1050
1051 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1052
1053         * tree.h: Fix truncated long macros.
1054
1055 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1056
1057         * collect2.c (TARGET_64BIT): Redefine to target's default.
1058         * tlink.c: Likewise.
1059         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1060         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1061         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1062         for underscoring __USER_LABEL_PREFIX__.
1063         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1064         (SUB_LINK_ENTRY32): New.
1065         (SUB_LINK_ENTRY64): New.
1066         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1067         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1068         (SUB_LINK_ENTRY64): New.
1069         (SUB_LINK_ENTRY): New.
1070         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1071         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1072         x64 target is choosen.
1073         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1074         * configure: Regenerated.
1075         * configure.ac (leading-mingw64-underscores): Option added.
1076
1077 2010-04-27  Jan Hubicka  <jh@suse.cz>
1078
1079         * doc/invoke.texi (-fipa-profile): Document.
1080         * opts.c (decode_options): Enable ipa-profile at -O1.
1081         * timevar.def (TV_IPA_PROFILE): Define.
1082         * common.opt (fipa-profile): Add.
1083         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1084         flag for clones.
1085         (cgraph_propagate_frequency): Handle only local ones.
1086         * tree-pass.h (pass_ipa_profile): Declare.
1087         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1088         (pass_ipa_profile): Use TV_IPA_PROFILE.
1089         * ipa.c (ipa_profile): New function.
1090         (gate_ipa_profile): Likewise.
1091         (pass_ipa_profile): New global variable.
1092         * passes.c (pass_ipa_profile): New.
1093
1094 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1095
1096         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1097
1098 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1099
1100         PR middle-end/43812
1101         * ipa.c (dissolve_same_comdat_group_list): New function.
1102         (function_and_variable_visibility): Call
1103         dissolve_same_comdat_group_list when comdat group contains external or
1104         newly local nodes.
1105         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1106         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1107
1108 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1109
1110         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1111         (const_hash_1) <VECTOR_CST>: New case.
1112         (compare_constant) <VECTOR_CST>: Likewise.
1113         <ADDR_EXPR>: Deal with LABEL_REFs.
1114         (copy_constant) <VECTOR_CST>: New case.
1115
1116 2010-04-27  Jan Hubicka  <jh@suse.cz>
1117
1118         * cgraph.c (cgraph_propagate_frequency): New function.
1119         * cgraph.h (cgraph_propagate_frequency): Declare.
1120         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1121         cgraph_propagate_frequency.
1122
1123 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1124
1125         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1126
1127 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1128
1129         PR target/40657
1130         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1131         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1132         here to determine which regs to push and how much stack to reserve.
1133
1134 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1135
1136         * doc/gimple.texi (gimple_statement_with_ops): Remove
1137         addresses_taken field.
1138         (gimple_statement_with_memory_ops): Likewise.
1139
1140 2010-04-27  Jan Hubicka  <jh@suse.cz>
1141
1142         * tree-inline.c (eni_inlining_weights): Remove.
1143         (estimate_num_insns): Special case more builtins.
1144
1145 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1146
1147         PR c/32207
1148         * c-typeck.c (build_binary_op): Move forward check for comparison
1149         pointer with null pointer constant and adjust the diagnostic message.
1150
1151 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1152
1153         PR lto/42776
1154         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1155         binutils supports extended .section directive needed by LTO, or
1156         warn if older binutils found.
1157         (LTO_BINARY_READER): New AC_SUBST'd variable.
1158         (LTO_USE_LIBELF): Likewise.
1159         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1160         variable.
1161         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1162         (LTO_USE_LIBELF): Likewise.
1163         * configure: Regenerate.
1164
1165         * collect2.c (is_elf): Rename from this ...
1166         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1167          object files in addition to ELF-formatted ones.
1168         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1169         symbol to be prefixed or not by an extra underscore.
1170
1171         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1172         * config/i386/winnt.c: Also #include lto-streamer.h
1173         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1174         LTO named sections.
1175         (i386_pe_asm_output_aligned_decl_common): Add comment.
1176         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1177
1178 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1179
1180         PR target/43889
1181         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1182         Add missing earlyclobber for second alternative.
1183
1184 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1185
1186         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1187         bits for artificial defs at the top of the block.
1188         * fwprop.c (single_def_use_enter_block): Don't call it.
1189
1190 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1191
1192         PR 43715
1193         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1194         instead of "$gcc_cv_objdump -T".
1195         Use "-undefined dynamic_lookup" on darwin.
1196         * gcc/configure: Regenerate.
1197
1198 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1199
1200         PR c/43893
1201         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1202
1203 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1204
1205         * c-parser.c (struct c_token): Move location field up.
1206         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1207         (struct c_declspecs): Convert typespec_word, storage_class, and
1208         default_int_p into bitfields.
1209         (struct c_declarator): Move loc field up.
1210
1211 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1212
1213         * cfgloop.h (struct loop): Move can_be_parallel field up.
1214         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1215         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1216         down.
1217         (struct iv_cand): Convert pos field into a bitfield.
1218         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1219         field up.
1220         (struct _stmt_vec_info): Shuffle fields for better packing.
1221
1222 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1223
1224         * varasm.c (IN_NAMED_SECTION): Remove guard.
1225         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1226         (IN_NAMED_SECTION_P): ...this.
1227         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1228         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1229
1230 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1231
1232         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1233         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1234         of shadowing it.  Fix comments.
1235
1236 2010-04-26  Jan Hubicka  <jh@suse.cz>
1237
1238         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1239         (cgraph_clone_node): Copy function frequency.
1240         * cgraph.h (node_frequency): New enum
1241         (struct cgraph_node): Add.
1242         * final.c (rest_of_clean_state): Update.
1243         * lto-cgraph.c (lto_output_node): Output node frequency.
1244         (input_overwrite_node): Input node frequency.
1245         * tre-ssa-loop-ivopts (computation_cost): Update.
1246         * lto-streamer-out.c (output_function): Do not output function
1247         frequency.
1248         * predict.c (maybe_hot_frequency_p): Update and handle functions
1249         executed once.
1250         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1251         attribute lookup.
1252         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1253         (compute_function_frequency): Set noreturn functions to be executed
1254         once.
1255         (choose_function_section): Update.
1256         * lto-streamer-in.c (input_function): Do not input function frequency.
1257         * function.c (allocate_struct_function): Do not initialize function
1258         frequency.
1259         * function.h (function_frequency): Remove.
1260         (struct function): Remove function frequency.
1261         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1262         (try_update): Update.
1263         * tree-inline.c (initialize_cfun): Do not update function frequency.
1264         * passes.c (pass_init_dump_file): Update.
1265         * i386.c (ix86_compute_frame_layout): Update.
1266         (ix86_pad_returns): Update.
1267
1268 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1269
1270         PR tree-optimization/43833
1271         * tree-vrp.c (range_int_cst_p): New.
1272         (range_int_cst_singleton_p): New.
1273         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1274         when both operands are constants.  Use range_int_cst_p in
1275         BIT_IOR_EXPR case.
1276
1277 2010-04-26  Jan Hubicka  <jh@suse.cz>
1278
1279         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1280
1281 2010-04-26  Richard Guenther  <rguenther@suse.de>
1282
1283         PR lto/43080
1284         * gimple.c (gimple_decl_printable_name): Deal gracefully
1285         with a NULL DECL_NAME.
1286
1287 2010-04-26  Richard Guenther  <rguenther@suse.de>
1288
1289         PR lto/42425
1290         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1291         if emitting debug information and it is either a function
1292         or a namespace decl.
1293
1294 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1295
1296         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1297         determine if the statement is vectorizable, and a macro to access it.
1298         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1299         Skip statements that can't be vectorized. If the analysis fails,
1300         mark the statement as unvectorizable if vectorizing basic block.
1301         (vect_compute_data_refs_alignment): Likewise.
1302         (vect_verify_datarefs_alignment): Skip statements marked as
1303         unvectorizable. Add print.
1304         (vect_analyze_group_access): Skip statements that can't be
1305         vectorized. If the analysis fails, mark the statement as
1306         unvectorizable if vectorizing basic block.
1307         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1308         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1309         generated stmts for SLP.
1310         (new_stmt_vec_info): Initialize the new field.
1311         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1312         statements marked as unvectorizable.
1313
1314 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1315
1316         * c-common.c (flag_isoc1x): New.
1317         (flag_isoc99): Update comment.
1318         * c-common.h (flag_isoc1x): New.
1319         (flag_isoc99): Update comment.
1320         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1321         __<type>_DECIMAL_DIG__.
1322         * c-opts.c (set_std_c1x): New.
1323         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1324         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1325         * c.opt (-std=c1x, -std=gnu1x): New options.
1326         * doc/cpp.texi: Mention -std=c1x.
1327         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1328         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1329         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1330         * doc/standards.texi: Mention C1X.
1331         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1332         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1333         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1334         Define for C1X.
1335
1336 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1337
1338         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1339         placeholder from 0x%x to %#x.
1340         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1341         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1342         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1343         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1344         * config/i386/i386.c (ix86_target_string): Ditto.
1345         (output_pic_addr_const): Ditto.
1346         (print_operand): Ditto.
1347
1348 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1349
1350         * combine.c (find_split_point): Add third argument.  Use it
1351         to find nested multiply-accumulate instructions.  Adjust calls.
1352         (try_combine): Adjust call to find_split_point.
1353
1354 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1355
1356         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1357
1358 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1359
1360         PR tree-optimization/41442
1361         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1362         (fold_binary_loc): Call it.
1363
1364 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1365
1366         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1367         * opts.c (common_handle_option): Allow disabling it.
1368         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1369
1370 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1371
1372         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1373         between modes if both types are integral.
1374
1375 2010-04-23  Richard Guenther  <rguenther@suse.de>
1376
1377         PR tree-optimization/43572
1378         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1379
1380 2010-04-23  Richard Guenther  <rguenther@suse.de>
1381
1382         PR lto/43455
1383         * tree-inline.c (tree_can_inline_p): Also check compatibility
1384         of return types.
1385
1386 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1387
1388         PR tree-optimization/43846
1389         * tree-sra.c (struct access): New flag grp_assignment_read.
1390         (build_accesses_from_assign): Set grp_assignment_read.
1391         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1392         (enum mark_read_status): New type.
1393         (analyze_access_subtree): Propagate grp_assignment_read, create
1394         accesses also if both direct_read and root->grp_assignment_read.
1395
1396 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1397
1398         PR middle-end/43835
1399         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1400         function does not have type attributes.
1401
1402 2010-04-23  Richard Guenther  <rguenther@suse.de>
1403
1404         PR lto/42653
1405         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1406         of FUNCTION_DECLs.
1407
1408 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1409
1410         * sese.h (create_if_region_on_edge): Remove.
1411
1412         * sese.c (create_if_region_on_edge): Make static.
1413
1414         * tree-inline.c: Do not include ggc.h.
1415
1416         * expr.c: Do not include ggc.h.
1417
1418         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1419         dependencies.
1420
1421 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1422
1423         PR target/43744
1424         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1425         in the middle of insns for casesi_worker_2.
1426
1427 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1428
1429         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1430
1431 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1432
1433         PR tree-optimization/43842
1434         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1435         loop unrolling in update of exit phis. Fix comment.
1436         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1437         least two reduction statements in the loop before starting SLP
1438         analysis.
1439
1440 2010-04-22  Nick Clifton  <nickc@redhat.com>
1441
1442         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1443
1444 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1445
1446         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1447         to simplify a + ~a.
1448
1449 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1450
1451         * tree-parloops.c (loop_parallel_p): New argument
1452         parloop_obstack.  Pass it down.
1453         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1454         pass it down, free it.
1455
1456         * tree-loop-linear.c (linear_transform_loops): Pass down
1457         lambda_obstack.
1458
1459         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1460         of type struct obstack *.
1461
1462         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1463         scratch_obstack.  Initialize it, pass down, free it.
1464
1465         * lambda.h (lambda_loop_new): Remove.
1466         (lambda_matrix_new, lambda_matrix_inverse)
1467         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1468         argument of type struct obstack *.
1469
1470         * lambda-trans.c (lambda_trans_matrix_new): New argument
1471         lambda_obstack.  Pass it down, use obstack allocation for ret.
1472         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1473         it down.
1474
1475         * lambda-mat.c (lambda_matrix_get_column)
1476         (lambda_matrix_project_to_null): Remove.
1477         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1478         allocation for mat.
1479         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1480         lambda_obstack.
1481
1482         * lambda-code.c (lambda_loop_new): New function.
1483         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1484         (lambda_compute_auxillary_space, lambda_compute_target_space)
1485         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1486         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1487         (build_access_matrix): New argument lambda_obstack.  Use obstack
1488         allocation for am.
1489         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1490         argument lambda_obstack.  Pass it down.
1491
1492 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1493
1494         * optabs.h (expand_widening_mult): Declare.
1495
1496 2010-04-22  Richard Guenther  <rguenther@suse.de>
1497
1498         PR tree-optimization/43845
1499         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1500         lookup the CALL_EXPR function and arguments.
1501
1502 2010-04-22  Nick Clifton  <nickc@redhat.com>
1503
1504         * config/stormy16/stormy16.c
1505         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1506         * config/stormy16/stormy16.h: Tidy up formatting.
1507         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1508         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1509         (ineqbranchsi): Delete pattern.
1510         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1511         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1512         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1513         stormy16-lib2-ucmpsi2.c.
1514
1515 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1516
1517         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1518         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1519         extra set merge_set_noclobber, and use it to relax the final test
1520         slightly.
1521         * df.h (df_simulate_find_noclobber_defs): Declare.
1522         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1523         conditional defs.
1524         (df_simulate_find_noclobber_defs): New function.
1525
1526 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1527
1528         * config/i386/i386.md: Use {} around multi-line preparation statements.
1529
1530 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1531
1532         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1533         (process_init_element): New argument of type struct obstack *.
1534
1535         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1536         (set_init_index, set_init_label, set_nonincremental_init)
1537         (set_nonincremental_init_from_string, find_init_member)
1538         (output_init_element, output_pending_init_elements)
1539         (process_init_element): New argument braced_init_obstack.  Pass it
1540         down.
1541         (push_range_stack, add_pending_init): New argument
1542         braced_init_obstack.  Use obstack allocation.
1543
1544         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1545         braced_init_obstack.  Pass it down.
1546         (c_parser_braced_init): New variables ret, braced_init_obstack.
1547         Initialize obstack, pass it down and finally free it.
1548
1549 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1550
1551         PR middle-end/29274
1552         * tree-pass.h (pass_optimize_widening_mul): Declare.
1553         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1554         gate_optimize_widening_mul): New static functions.
1555         (pass_optimize_widening_mul): New.
1556         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1557         <case MULT_EXPR>: Remove support for widening multiplies.
1558         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1559         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1560         simplify_gen_unary rather than directly building extensions.
1561         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1562         WIDEN_MULT_EXPR.
1563         * expmed.c (expand_widening_mult): New function.
1564         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1565
1566 2010-04-21  Jan Hubicka  <jh@suse.cz>
1567
1568         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1569         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1570         * lto-wpa-fixup.c: Remove.
1571         * Makefile.in (lto-wpa-fixup.o): Remove.
1572         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1573         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1574         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1575
1576 2010-04-21  Jan Hubicka  <jh@suse.cz>
1577
1578         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1579         add write_optimization_summary, read_optimization_summary.
1580         (ipa_write_summaries_of_cgraph_node_set): Remove.
1581         (ipa_write_optimization_summaries): Declare.
1582         (ipa_read_optimization_summaries): Declare.
1583         * ipa-cp.c (pass_ipa_cp): Update.
1584         * ipa-reference.c (pass_ipa_reference): Update.
1585         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1586         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1587         Update.
1588         * ipa-inline.c (pass_ipa_inline): Update.
1589         * ipa.c (pass_ipa_whole_program): Update.
1590         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1591         * passes.c (ipa_write_summaries_1): Do not test wpa.
1592         (ipa_write_optimization_summaries_1): New.
1593         (ipa_write_optimization_summaries): New.
1594         (ipa_read_summaries): Do not test ltrans.
1595         (ipa_read_optimization_summaries_1): New.
1596         (ipa_read_optimization_summaries): New.
1597
1598 2010-04-21  Jan Hubicka  <jh@suse.cz>
1599
1600         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1601         for boundary nodes.
1602         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1603
1604 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1605
1606         PR debug/40040
1607         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1608         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1609
1610 2010-04-21  Jan Hubicka  <jh@suse.cz>
1611
1612         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1613
1614 2010-04-21  Jan Hubicka  <jh@suse.cz>
1615
1616         * varpool.c (decide_is_variable_needed): Variable is always needed
1617         during ltrans.
1618
1619 2010-04-21  Jan Hubicka  <jh@suse.cz>
1620
1621         * opts.c (decode_options): Enable pure-const pass for whopr.
1622
1623 2010-04-21  Jan Hubicka  <jh@suse.cz>
1624
1625         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1626         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1627         at WPA dumping.
1628         (cgraph_decide_inlining): Do not expect callee to be removed in all
1629         cases.
1630
1631 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1632
1633         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1634
1635 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1636
1637         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1638         amdfam10_decode attributes.
1639
1640 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1641
1642         PR middle-end/43570
1643         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1644         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1645         (lower_copyprivate_clauses): Use private var in outer
1646         context instead of original var.  Make sure the types
1647         are correct for VLAs.
1648
1649 2010-04-21  Richard Guenther  <rguenther@suse.de>
1650
1651         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1652         to non-pointer objects.
1653
1654 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1655
1656         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1657         last chain entry if it starts with the still current label.
1658         (add_location_or_const_value_attribute): Check that
1659         loc_list->first->next is NULL instead of comparing ->first with ->last.
1660         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1661         to add_var_loc_to_decl.
1662
1663         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1664         >= 4 add also address size and segment size fields into CIE header.
1665
1666         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1667         long as address size is the same as sizeof (void *) and
1668         segment size is 0.
1669         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1670         address size or segment size is unexpected, return DW_EH_PE_omit.
1671         (classify_object_over_fdes): If get_cie_encoding returned
1672         DW_EH_PE_omit, return -1.
1673         (init_object): If classify_object_over_fdes returned -1,
1674         pretend there were no FDEs at all.
1675
1676 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1677
1678         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1679         bswap{si,di}2 using SWI48 mode iterator.
1680         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1681         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1682         set modrm attribute of bswap insn to 0 and remove length attribute.
1683         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1684         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1685         set mode attribute to <MODE> and remove length attribute.
1686
1687 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1688
1689         PR rtl-optimization/43520
1690         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1691         zero available registers.
1692
1693 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1694
1695         * builtins.c (fold_builtin_cproj): Fold more cases.
1696
1697 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1698
1699         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1700         (fold_builtin_1): Fold builtin cproj.
1701         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1702         Use ATTR_CONST_NOTHROW_LIST.
1703
1704 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1705
1706         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1707         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1708         ffsi2_no_cmove for !TARGET_CMOVE.
1709         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1710         (ffssi2): Remove expander.
1711         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1712         mode iterator.
1713         (ctz<mode>2): Ditto from ctz{si,di}2.
1714         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1715         mode iterator.
1716         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1717         mode iterator.
1718
1719 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1720
1721         * dwarf2out.c (AT_linkage_name): Define.
1722         (clone_as_declaration): Handle DW_AT_linkage_name.
1723         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1724         of DW_AT_MIPS_linkage_name.
1725         (move_linkage_attr): Likewise.
1726         (dwarf2out_finish): Likewise.
1727
1728 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1729
1730         PR middle-end/41952
1731         * fold-const.c (fold_comparison): New folding rule.
1732
1733 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1734
1735         * double-int.h (double_int_setbit): Declare.
1736         * double-int.c (double_int_setbit): New function.
1737         * rtl.h (immed_double_int_const): Declare.
1738         * emit-rtl.c (immed_double_int_const): New function.
1739         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1740         and immed_double_int_const functions.
1741         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1742         expand_copysign_bit):  (Ditto.).
1743         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1744         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1745         * dojump.c (prefer_and_bit_test): (Ditto.).
1746         * expr.c (convert_modes, reduce_to_bit_field_precision,
1747         const_vector_from_tree): (Ditto.).
1748         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1749
1750 2010-04-20  Jan Hubicka  <jh@suse.cz>
1751
1752         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1753         (dump_cgraph_node): Dump new flags.
1754         * cgraph.h (struct cgraph_node): Add flags
1755         reachable_from_other_partition and in_other_partition.
1756         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1757         other partition can not be removed.
1758         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1759         the other partition must be output; silence sanity checking on
1760         leaking functions bodies from other paritition.
1761         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1762         (lto_output_node): Output new flags; do not sanity check that inline
1763         clones are output; drop lto_forced_extern_inline_p code; do not mock
1764         visibility flags at partition boundaries.
1765         (add_node_to): New function.
1766         (output_cgraph): Use it to sort functions so masters appear before
1767         clones.
1768         (input_overwrite_node): Input new flags.
1769         * passes.c (ipa_write_summaries): Do not call
1770         lto_new_extern_inline_states.
1771         * lto-section-out.c (forced_extern_inline,
1772         lto_new_extern_inline_states lto_delete_extern_inline_states,
1773         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1774         * lto-streamer.h (lto_new_extern_inline_states,
1775         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1776         lto_forced_extern_inline_p): Kill.
1777
1778 2010-04-20  Richard Guenther  <rguenther@suse.de>
1779
1780         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1781         from vars that can have pointers.
1782         (process_constraint): Dump useless constraints.
1783
1784 2010-04-20  Richard Guenther  <rguenther@suse.de>
1785
1786         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1787         (dump_sa_points_to_info): Remove asserts.
1788         (init_base_vars): nothing_id isn't an escape point nor does it
1789         have pointers.
1790
1791 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1792
1793         * tree.h (TYPE_REF_IS_RVALUE): Define.
1794         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1795         should_move_die_to_comdat, prune_unused_types_walk): Handle
1796         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1797         (modified_type_die, gen_reference_type_die): Emit
1798         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1799         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1800
1801 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1802
1803         PR target/43635
1804         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1805         calls for -fpic -m31 if they have been sibcall optimized.
1806
1807 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1808
1809         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1810         ar.lc fixed and call-used.
1811
1812         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1813
1814 2010-04-19  Jan Hubicka  <jh@suse.cz>
1815
1816         * opts.c (decode_options): Disable whpr incompatible passes.
1817         * lto/lto.c (lto_1_to_1_map): Skip clones.
1818         (read_cgraph_and_symbols): Do not mark everything as needed.
1819         (do_whole_program_analysis): Do map only after optimizing;
1820         set proper cgraph_state; use passmanager.
1821
1822 2010-04-19  DJ Delorie  <dj@redhat.com>
1823
1824         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1825         POINTER_PLUS_EXPR and fix them.
1826
1827 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1828
1829         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1830         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1831         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1832         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1833         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1834         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1835         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1836         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1837         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1838         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1839         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1840
1841 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1842
1843         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1844         (check_cond_move_block): Likewise.
1845         (cond_move_process_if_block): Likewise.
1846         (noce_find_if_block): Improve formatting.
1847         (find_if_header): Pass 0 to memset and tweak conditions.
1848         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1849
1850 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1851
1852         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1853         for -gdwarf-4.
1854
1855         PR middle-end/43337
1856         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1857         with non-local decl doesn't need chain.
1858
1859 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1860
1861         * ira-color.c (allocno_reload_assign): Avoid accumulating
1862         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1863
1864 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1865
1866         * gimple.h (create_tmp_reg): Declare.
1867         * gimplify.c (create_tmp_reg): New function.
1868         (gimplify_return_expr): Use create_tmp_reg.
1869         (gimplify_omp_atomic): Likewise.
1870         (gimple_regimplify_operands): Likewise.
1871         * tree-dfa.c (make_rename_temp): Likewise.
1872         * tree-predcom.c (predcom_tmp_var): Likewise.
1873         (reassociate_to_the_same_stmt): Likewise.
1874         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1875         (get_replaced_param_substitute): Likewise.
1876         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1877         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1878         * tree-ssa-pre.c (get_representative_for): Likewise.
1879         (create_expression_by_pieces): Likewise.
1880         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1881         (create_tailcall_accumulator): Likewise.
1882
1883 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1884
1885         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1886         new_stmt.
1887         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1888
1889 2010-04-19  Richard Guenther  <rguenther@suse.de>
1890
1891         PR tree-optimization/43796
1892         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1893         from SCEV in the lattice.
1894         (vrp_visit_phi_node): Dump change.
1895
1896 2010-04-19  Richard Guenther  <rguenther@suse.de>
1897
1898         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1899         * configure: Re-generated.
1900
1901 2010-04-19  Richard Guenther  <rguenther@suse.de>
1902
1903         PR tree-optimization/43783
1904         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1905         constant ARRAY_REF operands two and three if possible.
1906
1907 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1908
1909         PR target/43766
1910         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1911
1912 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1913
1914         PR target/43662
1915         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1916
1917 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1918
1919         PR tree-optimization/37027
1920         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1921         and macro to access it.
1922         (vectorizable_reduction): Add argument.
1923         (vect_get_slp_defs): Likewise.
1924         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1925         statements for possible use in SLP.
1926         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1927         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1928         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1929         add new argument.
1930         (vectorizable_reduction): Likewise.
1931         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1932         vect_get_slp_defs.
1933         (vectorizable_type_demotion, vectorizable_type_promotion,
1934         vectorizable_store): Likewise.
1935         (vect_analyze_stmt): Update call to vectorizable_reduction.
1936         (vect_transform_stmt): Likewise.
1937         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1938         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1939         from different interleaving chains in same node.
1940         (vect_slp_rearrange_stmts): New function.
1941         (vect_supported_load_permutation_p): Allow load permutations for
1942         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1943         inside SLP nodes if necessary.
1944         (vect_analyze_slp_instance): Handle reductions.
1945         (vect_analyze_slp): Try to build SLP instances originating from groups
1946         of reductions.
1947         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1948         (vect_get_constant_vectors): Create initial vectors for reductions
1949         according to reduction code. Add new argument.
1950         (vect_get_slp_defs): Add new argument, pass it to
1951         vect_get_constant_vectors.
1952         (vect_schedule_slp_instance): Remove SLP tree root statements.
1953
1954 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1955
1956         * tree.h (ENUM_IS_SCOPED): Define.
1957         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1958         for ENUM_IS_SCOPED enums.
1959
1960 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1961
1962         * fold-const.c (fold_comparison): Use ssizetype.
1963         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1964         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1965         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1966         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1967
1968         * tree.h (initialize_sizetypes): Remove parameter.
1969         (build_common_tree_nodes): Remove second parameter.
1970         * stor-layout.c (initialize_sizetypes): Remove parameter.
1971         Always create an unsigned type.
1972         (set_sizetype): Assert that the passed type is unsigned and simplify.
1973         * tree.c (build_common_tree_nodes): Remove second parameter.
1974         Adjust call to initialize_sizetypes.
1975         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1976         build_common_tree_nodes.
1977
1978 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1979
1980         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1981
1982 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1983
1984         PR tree-optimization/43771
1985         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1986         load permutation doesn't have gaps.
1987
1988 2010-04-18  Jan Hubicka  <jh@suse.cz>
1989
1990         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1991         (sse_prologue_save_insn expander): Use new pattern.
1992         (sse_prologue_save_insn1): New pattern and splitter.
1993         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1994         blocks.
1995         * i386.c (setup_incoming_varargs_64): Do not compute jump
1996         destination here.
1997         (ix86_gimplify_va_arg): Update alignment needed.
1998         (ix86_local_alignment): Do not align all local arrays to 128bit.
1999
2000 2010-04-17  Jan Hubicka  <jh@suse.cz>
2001
2002         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
2003
2004 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2005
2006         * arm.md (negdi2): Remove redundant code to force values into a
2007         register.
2008
2009 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2010
2011         * arm/bpabi.S: Add EABI alignment attributes to objects.
2012         * arm/bpabi-v6m.S: Likewise.
2013         * arm/crti.asm: Likewise.
2014         * arm/crtn.asm: Likewise.
2015         * arm/lib1funcs.asm: Likewise.
2016         * arm/libunwind.S: Likewise.
2017
2018 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
2019
2020         * arm-protos.h (tune_params): New structure.
2021         * arm.c (current_tune): New variable.
2022         (arm_constant_limit): Delete.
2023         (struct processors): Add pointer to the tune parameters.
2024         (arm_slowmul_tune): New tuning option.
2025         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2026         (all_cores): Adjust to pick up the tuning model.
2027         (arm_constant_limit): New function.
2028         (arm_override_options): Select the appropriate tuning model.  Delete
2029         initialization of arm_const_limit.
2030         (arm_split_constant): Use the new constant-limit model.
2031         (arm_rtx_costs): Pick up the current tuning model.
2032         * arm.md (is_strongarm, is_xscale): Delete.
2033         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2034         for Xscale variant architectures.
2035         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2036
2037 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2038
2039         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2040         can_shift.
2041         (arm_rtx_costs_1): Remove unused variable extra_cost.
2042         (arm_unwind_emit_set): Use variable offset.
2043         (thumb1_output_casesi): Remove unused variable flags.
2044
2045 2010-04-16  Jeff Law  <law@redhat.com>
2046
2047         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2048         needing assignment rather than doing a two-phase assignment.  Remove
2049         unused variable 'm'.
2050
2051 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2052
2053         PR bootstrap/43767
2054         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2055
2056 2010-04-16  Doug Kwan  <dougkwan@google.com>
2057
2058         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2059         (next_operand_entry_id): New static variable.
2060         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2061         (add_to_ops_vec): Assigned unique ID to operand entry.
2062         (struct oecount_s): New field ID.
2063         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2064         (undistribute_ops_list): Assign unique IDs to oecounts.
2065         (init_reassoc): reset next_operand_entry_id.
2066
2067 2010-04-16  Doug Kwan  <dougkwan@google.com>
2068
2069         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2070         missing left parenthesis.
2071
2072 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2073
2074         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2075         *btdi_rex64 using SWI48 mode iterator.
2076         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2077         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2078         *jcc_btdi_mask_rex64.
2079
2080 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2081
2082         * double-int.h (tree_to_double_int): Convert to macro.
2083         * double-int.c (tree_to_double_int): Remove.
2084
2085 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2086
2087         PR debug/43762
2088         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2089         with want_address 2 and in case a single element list might be
2090         possible, call it again with want_address 0.
2091
2092 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2093
2094         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2095         case 'W' print operands for HI mode.
2096         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2097         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2098         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2099         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2100
2101         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2102
2103         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2104         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2105         #xx:3 and #xx:4 mode.
2106
2107         * config/h8300/h8300.md (inverted load with HImode dest): Add
2108         support for H8300SX.
2109
2110         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2111         satisfy 'U' constraint.
2112
2113 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2114
2115         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2116         * configure: Regenerate.
2117         * config.in: Regenerate.
2118         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2119         works.
2120
2121 2010-04-16  Richard Guenther  <rguenther@suse.de>
2122
2123         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2124         (struct tree_decl_common): ... here.
2125         (DECL_PT_UID): Adjust.
2126         (SET_DECL_PT_UID): Likewise.
2127         (DECL_PT_UID_SET_P): Likewise.
2128
2129 2010-04-16  Richard Guenther  <rguenther@suse.de>
2130
2131         PR tree-optimization/43572
2132         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2133         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2134         * tree-flow.h (is_call_clobbered): Remove.
2135         * tree-flow-inline.h (is_call_clobbered): Likewise.
2136         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2137         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2138         (execute_return_slot_opt): Adjust.
2139         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2140         check for call clobbered vars here.
2141         (find_tail_calls): Move tailcall verification to the
2142         proper place.
2143
2144 2010-04-16  Diego Novillo  <dnovillo@google.com>
2145
2146         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2147
2148 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2149
2150         PR target/40603
2151         * config/arm/arm.md (cbranchqi4): New pattern.
2152         * config/arm/predicates.md (const0_operand,
2153         cbranchqi4_comparison_operator): New predicates.
2154
2155 2010-04-16  Richard Guenther  <rguenther@suse.de>
2156
2157         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2158         (dump_gimple_stmt): Likewise.
2159
2160 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2161
2162         * recog.h (struct recog_data): New field is_operator.
2163         (struct insn_operand_data): New field is_operator.
2164         * recog.c (extract_insn): Set recog_data.is_operator.
2165         * genoutput.c (output_operand_data): Emit code to set the
2166         is_operator field.
2167         * reload.c (find_reloads): Use it rather than testing for an
2168         empty constraint string.
2169
2170         PR target/41514
2171         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2172         If the previous insn is a cbranchsi4_insn with the same arguments,
2173         omit the compare instruction.
2174
2175         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2176         register, inputs must be low registers and we need a low register
2177         scratch.  Handle alternative 2 like alternative 3.
2178
2179 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2180
2181         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2182         don't call get_addr on both.  If one expression is a VALUE and
2183         the other a REG, check VALUE's locs if the REG isn't among them.
2184
2185 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2186
2187         * config/sh/sh.h (sh_frame_pointer_required): New function.
2188         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2189         (flag_omit_frame_pointer) Set.
2190         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2191         (rounded_frame_size): Adjust size with outgoing_args_size.
2192         (sh_set_return_address): Must return from stack pointer.
2193         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2194         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2195         (ACCUMULATE_OUTGOING_ARGS): Define.
2196         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2197         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2198
2199 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2200
2201         PR target/43471
2202         * config/sh/sh.c (sh_legitimize_reload_address): Use
2203         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2204         Remove a unneeded check for offset_base.
2205
2206 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2207
2208         * configure: Regenerated.
2209
2210 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2211
2212         * config/s390/s390.c (s390_call_save_register_used): Switch back
2213         to HARD_REGNO_NREGS.
2214
2215 2010-04-15  Richard Guenther  <rguenther@suse.de>
2216
2217         * alias.c (alias_set_subset_of): Handle alias-set zero
2218         child properly.
2219
2220 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2221             Julian Brown  <julian@codesourcery.com>
2222
2223         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2224         alternatives according to use of high and low regs.
2225         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2226         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2227         optimizing for size on Thumb-2.
2228
2229 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2230
2231         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2232
2233 2010-04-15  Richard Guenther  <rguenther@suse.de>
2234
2235         * tree-ssa-structalias.c (struct variable_info): Add
2236         is_fn_info flag.
2237         (new_var_info): Initialize it.
2238         (dump_constraints): Support printing last added constraints.
2239         (debug_constraints): Adjust.
2240         (dump_constraint_graph): Likewise.
2241         (make_heapvar_for): Check for NULL cfun.
2242         (get_function_part_constraint): New function.
2243         (get_fi_for_callee): Likewise.
2244         (find_func_aliases): Properly implement IPA PTA constraints.
2245         (process_ipa_clobber): New function.
2246         (find_func_clobbers): Likewise.
2247         (insert_into_field_list_sorted): Remove.
2248         (create_function_info_for): Properly allocate vars for IPA mode.
2249         Do not use insert_into_field_list_sorted.
2250         (create_variable_info_for): Properly generate constraints for
2251         global vars in IPA mode.
2252         (dump_solution_for_var): Always dump the solution.
2253         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2254         (find_what_var_points_to): Adjust.
2255         (pt_solution_set): Change.
2256         (pt_solution_ior_into): New function.
2257         (pt_solution_empty_p): Export.
2258         (pt_solution_includes_global): Adjust.
2259         (pt_solution_includes_1): Likewise.
2260         (pt_solutions_intersect_1): Likewise.
2261         (dump_sa_points_to_info): Check some invariants.
2262         (solve_constraints): Move constraint dumping ...
2263         (compute_points_to_sets): ... here.
2264         (ipa_pta_execute): ... and here.
2265         (compute_may_aliases): Do not re-compute points-to info
2266         locally if IPA info is available.
2267         (ipa_escaped_pt): New global var.
2268         (ipa_pta_execute): Properly implement IPA PTA.
2269         * tree-into-ssa.c (dump_decl_set): Support dumping
2270         decls not in referenced-vars.
2271         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2272         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2273         (dump_points_to_solution): Likewise.
2274         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2275         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2276         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2277         (copy_decl_to_var): Copy DECL_PT_UID.
2278         (copy_result_decl_to_var): Likewise.
2279         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2280         (copy_node_stat): Copy it.
2281         * tree.h (DECL_PT_UID): New macro.
2282         (SET_DECL_PT_UID): Likewise.
2283         (DECL_PT_UID_SET_P): Likewise.
2284         (struct tree_decl_minimal): Add pt_uid member.
2285         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2286         (pt_solution_empty_p): Declare.
2287         (pt_solution_set): Adjust.
2288         (ipa_escaped_pt): Declare.
2289         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2290         * gimple-pretty-print.c (pp_points_to_solution): New function.
2291         (dump_gimple_call): Dump call clobber/use information.
2292         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2293         * tree-pass.h (TDF_ALIAS): New dump option.
2294         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2295         * doc/invoke.texi (-fipa-pta): Update documentation.
2296
2297 2010-04-15  Richard Guenther  <rguenther@suse.de>
2298
2299         * Makefile.in (OBJS-common): Add gimple-fold.o.
2300         (gimple-fold.o): New rule.
2301         * tree.h (maybe_fold_offset_to_reference,
2302         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2303         prototypes ...
2304         * gimple.h: ... here.
2305         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2306         may_propagate_address_into_dereference): Move prototypes ...
2307         * gimple.h: ... here.
2308         * tree-ssa-ccp.c (get_symbol_constant_value,
2309         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2310         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2311         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2312         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2313         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2314         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2315         gimplify_and_update_call_from_tree): Move ...
2316         * gimple-fold.c: ... here.  New file.
2317         (ccp_fold_builtin): Rename to ...
2318         (gimple_fold_builtin): ... this.
2319         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2320
2321 2010-04-15  Richard Guenther  <rguenther@suse.de>
2322
2323         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2324         fit_double_type, force_fit_type_double, add_double_with_sign,
2325         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2326         lrotate_double, rrotate_double, div_and_round_double): Move ...
2327         * double-int.c: ... here.
2328         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2329         add_double, neg_double, mul_double_with_sign, mul_double,
2330         lshift_double, rshift_double, lrotate_double, rrotate_double,
2331         div_and_round_double): Move prototypes ...
2332         * double-int.h: ... here.
2333
2334 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2335
2336         PR target/43742
2337         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2338         matching constraints to ensure inputs match the output.
2339
2340 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2341
2342         PR target/43742
2343         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2344         in an input-only operand.
2345
2346 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2347
2348         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2349         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2350         (double_int_negative_p): Convert to static inline function.
2351         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2352         (double_int_negative_p): Remove.
2353         * tree.h (lshift_double, rshift_double):
2354         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2355         * fold-const.c (fold_convert_const_int_from_real,
2356         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2357         (lshift_double): Change type of arith argument to bool.
2358         (rshift_double): Change type of arith argument to bool. Correct
2359         comment.
2360         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2361
2362 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2363
2364         PR target/21803
2365         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2366         at the start and end of the then/else blocks, and omit them from the
2367         conversion.
2368         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2369         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2370         (flow_find_head_matching_sequence): New function.
2371         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2372         * basic-block.h (flow_find_cross_jump,
2373         flow_find_head_matching_sequence): Declare functions.
2374
2375 2010-04-14  Jason Merrill  <jason@redhat.com>
2376
2377         PR c++/36625
2378         * c-common.c (attribute_takes_identifier_p): New fn.
2379         * c-common.h: Declare it.
2380
2381 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2382
2383         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2384         splitter condition.
2385         (*udivmod<mode>4): Ditto.
2386
2387 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2388
2389         * config/i386/i386.md (maxmin_int): Rename code attribute from
2390         maxminiprefix and update all users.
2391         (maxmin_float): Ditto from maxminfprefix.
2392         (logic): Ditto from logicprefix.
2393         (absneg_mnemonic): Ditto from absnegprefix.
2394         * config/i386/mmx.md: Update all users of maxminiprefix,
2395         maxminfprefix and logicprefix for rename.
2396         * config/i386/sse.md: Ditto.
2397         * config/i386/sync.md (sync_<code><mode>): Update for
2398         logicprefix rename.
2399
2400 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2401
2402         PR 42966
2403         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2404         warnings converted to errors.
2405
2406 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2407
2408         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2409         used insn_type variable.
2410         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2411         to avoid set-but-not-used warning.
2412
2413 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2414
2415         * df-core.c (df_ref_debug): Change format string placeholder
2416         from 0x%x to %#x.
2417         * dwarf2asm.c (dw2_asm_output_data_raw,
2418         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2419         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2420         * dwarf2out.c (output_cfi, output_cfi_directive,
2421         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2422         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2423         Ditto.
2424         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2425         * print-rtl.c (print_rtx): Ditto.
2426
2427 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2428
2429         PR middle-end/42694
2430         * builtins.c (expand_builtin_pow_root): New function to expand pow
2431         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2432         series of sqrt and cbrt calls under -ffast-math.
2433         (expand_builtin_pow): Call it.
2434
2435 2010-04-14  Michael Matz  <matz@suse.de>
2436
2437         PR tree-optimization/42963
2438         * tree-cfg.c (touched_switch_bbs): New static variable.
2439         (group_case_labels_stmt): New function broken out from ...
2440         (group_case_labels): ... here, use the above.
2441         (start_recording_case_labels): Allocate touched_switch_bbs.
2442         (end_recording_case_labels): Deallocate it, call
2443         group_case_labels_stmt.
2444         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2445
2446 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2447
2448         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2449         from insn template.
2450
2451 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2452
2453         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2454
2455 2010-04-13  Jan Hubicka  <jh@suse.cz>
2456
2457         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2458         of optimized out static functions.
2459         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2460         cost computation.  Also sanity check for overflows.
2461         (update_caller_keys): Update cgraph_edge_badness call; properly
2462         update fibheap and sanity check that it is up to date.
2463         (add_new_edges_to_heap): Update cgraph_edge_badness.
2464         (cgraph_decide_inlining_of_small_function): Likewise;
2465         add sanity checking that badness in heap is up to date;
2466         improve dumping of reason; Update badness of calls to the
2467         offline copy of function currently inlined; dump badness
2468         of functions not inlined because of unit growth limits.
2469
2470 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2471
2472         PR middle-end/32628
2473         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2474         because of sign-extension change when converting to sizetype here...
2475         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2476
2477         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2478         the folding to constants.  Remove redundant final conversion.
2479         (fold_binary) <associate>: Do not associate if the re-association of
2480         constants alone overflows.
2481         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2482         to the end of the list.
2483         (multiple_of_p) <COND_EXPR>: New case.
2484
2485 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2486
2487         * opt-functions.awk (opt_sanitized_name): New.
2488         (opt_enum): New.
2489         * optc-gen.awk: Use it
2490         * opth-gen.awk: Use it.
2491
2492 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2493
2494         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2495         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2496         children.  Call replace_uses_with_default_def_ssa_name to handle
2497         SSA_NAES on lhs.
2498
2499 2010-04-13  Michael Matz  <matz@suse.de>
2500
2501         PR middle-end/43730
2502         * builtins.c (expand_builtin_interclass_mathfn): Also create
2503         a register if the predicate doesn't match.
2504
2505 2010-04-13  Diego Novillo  <dnovillo@google.com>
2506
2507         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2508         * c-pch.c: Include timevar.h.
2509         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2510         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2511         * ggc-common.c: Include timevar.h.
2512         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2513         * timevar.def (TV_PCH_SAVE): Define.
2514         (TV_PCH_CPP_SAVE): Define.
2515         (TV_PCH_PTR_REALLOC): Define.
2516         (TV_PCH_PTR_SORT): Define.
2517         (TV_PCH_RESTORE): Define.
2518         (TV_PCH_CPP_RESTORE): Define.
2519
2520 2010-04-13  Michael Matz  <matz@suse.de>
2521
2522         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2523         into MINUS_EXPRs.
2524         (can_reassociate_p): New function.
2525         (break_up_subtract_bb, reassociate_bb): Use it.
2526
2527 2010-04-13  Richard Guenther  <rguenther@suse.de>
2528
2529         PR bootstrap/43737
2530         * builtins.c (c_readstr): Fix assert.
2531
2532 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2533
2534         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2535         when generating cltd insn.
2536
2537         (*ashl<mode>3_1): Remove special handling for register operand 2.
2538         (*ashlsi3_1_zext): Ditto.
2539         (*ashlhi3_1): Ditto.
2540         (*ashlhi3_1_lea): Ditto.
2541         (*ashlqi3_1): Ditto.
2542         (*ashlqi3_1_lea): Ditto.
2543         (*<shiftrt_insn><mode>3_1): Ditto.
2544         (*<shiftrt_insn>si3_1_zext): Ditto.
2545         (*<shiftrt_insn>qi3_1_slp): Ditto.
2546         (*<rotate_insn><mode>3_1): Ditto.
2547         (*<rotate_insn>si3_1_zext): Ditto.
2548         (*<rotate_insn>qi3_1_slp): Ditto.
2549
2550 2010-04-13  Richard Guenther  <rguenther@suse.de>
2551
2552         * tree-ssa-structalias.c (callused_id): Remove.
2553         (call_stmt_vars): New.
2554         (get_call_vi): Likewise.
2555         (lookup_call_use_vi): Likewise.
2556         (lookup_call_clobber_vi): Likewise.
2557         (get_call_use_vi): Likewise.
2558         (get_call_clobber_vi): Likewise.
2559         (make_transitive_closure_constraints): Likewise.
2560         (handle_const_call): Adjust to do per-call call-used handling.
2561         (handle_pure_call): Likewise.
2562         (find_what_var_points_to): Remove general callused handling.
2563         (init_base_vars): Likewise.
2564         (init_alias_vars): Initialize call_stmt_vars.
2565         (compute_points_to_sets): Process call-used and call-clobbered
2566         vars for call statements.
2567         (delete_points_to_sets): Free call_stmt_vars.
2568
2569 2010-04-13  Richard Guenther  <rguenther@suse.de>
2570
2571         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2572         Only add RW dependence for dependence distance zero.
2573         Adjust maximal vectorization factor according to dependences.
2574         Move alignment handling ...
2575         (vect_find_same_alignment_drs): ... here.  New function.
2576         (vect_analyze_data_ref_dependences): Adjust.
2577         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2578         (vect_analyze_data_refs): Adjust minimal vectorization factor
2579         according to data references.
2580         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2581         dependences before determining the vectorization factor.
2582         Analyze alignment after determining the vectorization factor.
2583         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2584         dependences before alignment.
2585         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2586         Adjust prototype.
2587         (vect_analyze_data_refs): Likewise.
2588         (MAX_VECTORIZATION_FACTOR): New define.
2589
2590 2010-04-13  Duncan Sands  <baldrick@free.fr>
2591
2592         * except.h (lang_eh_type_covers): Remove.
2593         * except.c (lang_eh_type_covers): Likewise.
2594
2595 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2596             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2597
2598         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2599         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2600         UNITS_PER_LONG where it is ABI relevant.
2601         (s390_return_addr_rtx): Likewise.
2602         (s390_back_chain_rtx): Likewise.
2603         (s390_frame_area): Likewise.
2604         (s390_frame_info): Likewise.
2605         (s390_initial_elimination_offset): Likewise.
2606         (save_gprs): Likewise.
2607         (s390_emit_prologue): Likewise.
2608         (s390_emit_epilogue): Likewise.
2609         (s390_function_arg_advance): Likewise.
2610         (s390_function_arg): Likewise.
2611         (s390_va_start): Likewise.
2612         (s390_gimplify_va_arg): Likewise.
2613         (s390_function_profiler): Likewise.
2614         (s390_optimize_prologue): Likewise.
2615         (s390_rtx_costs): Likewise.
2616         (s390_secondary_reload): Likewise.
2617         (s390_promote_function_mode): Likewise.
2618         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2619         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2620         registers available.
2621         (s390_unwind_word_mode): New function.
2622         (s390_function_value): Split 64 bit values into register pair if
2623         used as return value.
2624         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2625         function call parameters.  Handle parallels.
2626         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2627         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2628         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2629         (s390_expand_setmem): Remove unused variable src_addr.
2630         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2631         deal with 64 bit registers.
2632         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2633         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2634         (UNITS_PER_LONG): New macro.
2635         * libjava/include/s390-signal.h: Define extended ucontext
2636         structure containing the upper halfs of the 64 bit registers.
2637
2638 2010-04-13  Simon Baldwin  <simonb@google.com>
2639
2640         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2641
2642 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2643
2644         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2645         rvalue on the RHS if the LHS is of a non-renamable type.
2646         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2647
2648 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2649
2650         * gcc.c (cc1_options): Handle -iplugindir before processing
2651         the cc1 spec. Only add -iplugindir once.
2652         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2653         found.
2654         * common.opt (iplugindir): Remove `Separate' property, initialize.
2655         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2656         option.
2657         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2658         (distclean): Remove plugin dir.
2659         * doc/invoke.texi: Document -iplugindir.
2660
2661 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2662
2663         * doc/plugins.texi (Loading Plugins): Document short
2664         -fplugin=foo option.
2665         (Plugin API): Mention default_plugin_dir_name function.
2666
2667         * gcc.c (find_file_spec_function): Add new declaration.
2668         (static_spec_func): Use it for "find-file".
2669         (find_file_spec_function): Add new function.
2670         (cc1_options): Add -iplugindir option if -fplugin* options found.
2671
2672         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2673
2674         * plugin.c (add_new_plugin): Updated comment, and handle short
2675         plugin name.
2676         (default_plugin_dir_name): Added new function.
2677
2678         * common.opt (iplugindir): New option to set the plugin directory.
2679
2680 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2681
2682         * config/i386/i386.md (any_rotate): New code iterator.
2683         (rotate_insn): New code attribute.
2684         (rotate): Ditto.
2685         (SWIM124): New mode iterator.
2686         (<rotate_insn>ti3): New expander.
2687         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2688         any_rotate code iterator.
2689         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2690         using any_rotate code iterator and SWIM124 mode iterator.
2691         (ix86_rotlti3): New insn_and_split pattern.
2692         (ix86_rotrti3): Ditto.
2693         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2694         ix86_rotl{di,ti}3 patterns.
2695         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2696         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2697         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2698         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2699         code iterator and SWI mode iterator.
2700         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2701         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2702         code iterator.
2703         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2704         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2705         (bswap rotatert splitter): Add splitter.
2706         (bswap splitter): Macroize splitter using any_rotate code iterator.
2707         Add insn predicate to split only for TARGET_USE_XCHGB or when
2708         optimizing function for size.
2709
2710 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2711
2712         * config/pa/pa.c (emit_move_sequence): Remove use of
2713         deleted variable flag_argument_noalias.
2714
2715 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2716
2717         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2718         configurations.
2719         Add to unsupported targets list.
2720         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2721         sparc*-sun-solaris2.[567]* from target lists.
2722         * configure: Regenerate.
2723         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2724         removal.
2725         Remove Solaris 7 patch references.
2726         (Specific, sparc-sun-solaris2.7): Removed.
2727         (sparc-sun-solaris2*): Update Solaris 7 example.
2728         (sparc64-*-solaris2*): Likewise.
2729
2730 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2731
2732         * config.build (alpha*-dec-osf4*): Remove.
2733         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2734         of obsolete configurations.
2735         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2736         support.
2737         * config/alpha/t-osf4: Renamed to ...
2738         * config/alpha/t-osf5: ... this.
2739         * config/alpha/osf.h: Renamed to ...
2740         * config/alpha/osf5.h: ... this.
2741         Merged old osf5.h contents.
2742         Update comments.
2743         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2744         (EXTRA_SPECS): Removed.
2745         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2746         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2747         Document that.
2748
2749 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2750
2751         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2752
2753 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2754
2755         PR/43702
2756         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2757         __thiscall convention.
2758
2759 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2760
2761         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2762         orig_base.
2763         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2764
2765 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2766
2767         * function.c (assign_parms_initialize_all): Add unused attribute
2768         to fntype.
2769
2770 2010-04-12  Richard Guenther  <rguenther@suse.de>
2771
2772         * gsstruct.def (GSS_CALL): New.
2773         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2774         * gimple.h: Include tree-ssa-alias.h.
2775         (struct gimple_statement_call): New.
2776         (union gimple_statement_struct_d): Add gimple_call member.
2777         (gimple_call_reset_alias_info): Declare.
2778         (gimple_call_use_set): New function.
2779         (gimple_call_clobber_set): Likewise.
2780         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2781         * gimple.c (gimple_call_reset_alias_info): New function.
2782         (gimple_build_call_1): Call it.
2783         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2784         * tree-inline.c (remap_gimple_stmt): Likewise.
2785         (expand_call_inline): Remove callused handling.
2786         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2787         * tree-dfa.c (dump_variable): Likewise.
2788         * tree-parloops.c (parallelize_loops): Likewise.
2789         * tree-ssa.c (init_tree_ssa): Likewise.
2790         (delete_tree_ssa): Likewise.
2791         * tree-flow-inline.h (is_call_used): Remove.
2792         * tree-flow.h (struct gimple_df): Remove callused member.
2793         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2794         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2795         (ref_maybe_used_by_call_p_1): Simplify.
2796         (call_may_clobber_ref_p_1): Likewise.
2797         * tree-ssa-structalias.c (compute_points_to_sets): Set
2798         the call stmt used and clobbered sets.
2799         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2800         (find_tail_calls): Verify the tail call.
2801
2802 2010-04-12  Richard Guenther  <rguenther@suse.de>
2803
2804         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2805         single-iteration always-inline inlining.
2806         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2807         (cgraph_decide_inlining): Do not handle always-inline specially.
2808         (try_inline): Remove always-inline cycle detection special case.
2809         Do not recurse on always-inlines.
2810         (cgraph_early_inlining): Do not iterate if not optimizing.
2811         (cgraph_gate_early_inlining): remove.
2812         (pass_early_inline): Run unconditionally.
2813         (gate_cgraph_decide_inlining): New function.
2814         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2815         not inlining or optimizing.
2816         (cgraph_decide_inlining_of_small_functions): Also consider
2817         always-inline functions.
2818         (cgraph_default_inline_p): Return true for nodes which should
2819         disregard inline limits.
2820         (estimate_function_body_sizes): Assume zero size and time for
2821         nodes which are marked as disregarding inline limits.
2822         (cgraph_decide_recursive_inlining): Do not perform recursive
2823         inlining on always-inline nodes.
2824
2825 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2826
2827         PR bootstrap/43699
2828         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2829         for exprs satisfying handled_component_p.
2830
2831 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2832
2833         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2834         non-constant aggregate elements.
2835
2836         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2837         is a real initialization.
2838
2839 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2840
2841         PR c/36774
2842         * c-decl.c (start_function): Move forward check for nested function.
2843
2844 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2845
2846         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2847         * config/sh/sh.c: Include reload.h.
2848         (sh_legitimize_reload_address): New.
2849         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2850         sh_legitimize_reload_address.
2851
2852 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2853
2854         * config/sh/sh.md (*movqi_pop): New insn pattern.
2855         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2856
2857 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2858
2859         * config/i386/i386.md (any_shiftrt): New code iterator.
2860         (shiftrt_insn): New code attribute.
2861         (shiftrt): Ditto.
2862         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2863         using any_shiftrt code iterator.
2864         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2865         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2866         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2867         pattern from corresponding peephole2 patterns.
2868         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2869         using any_shiftrt code iterator.
2870         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2871         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2872         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2873         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2874         *{ashr,lshr}<mode>3_cmp_zext.
2875         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2876
2877 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2878
2879         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2880         scratch register.
2881         (*lshr<mode>3_cconly): Ditto.
2882
2883 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2884
2885         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2886         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2887         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2888         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2889         DWI mode iterator.
2890         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2891         from corresponding peephole2 patterns.
2892         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2893         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2894         and *lshrdi3_1_rex64 using SWI mode iterator.
2895         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2896         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2897         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2898         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2899         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2900         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2901         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2902         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2903         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2904         SWI mode iterator.
2905
2906 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2907
2908         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2909         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2910         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2911         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2912         DWI mode iterator.
2913         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2914         from corresponding peephole2 patterns.
2915         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2916         (ashrsi3_cvt): Rename from ashrsi3_31.
2917         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2918         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2919         and x86_64_shift_adj_3 using SWI48 mode iterator.
2920         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2921         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2922         and *ashrdi3_1_rex64 using SWI mode iterator.
2923         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2924         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2925         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2926         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2927         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2928         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2929         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2930         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2931         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2932         SWI mode iterator.
2933         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2934         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2935         x86_shift<mode>_adj_3 expanders.
2936
2937 2010-04-10  Wei Guozhi  <carrot@google.com>
2938
2939         PR target/42601
2940         * config/arm/arm.c (arm_pic_static_addr): New function.
2941         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2942         a static symbol.
2943         (arm_output_addr_const_extra): Output expression for new pattern.
2944         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2945
2946 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2947
2948         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2949         not enabled.
2950
2951         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2952         * web.c: Include "insn-config.h" and "recog.h".
2953         (union_match_dups): New function.
2954         (web_main): Call it.
2955         (union_defs): Don't try to recognize match_dups.
2956
2957         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2958         if doing so would replace the entire pattern.
2959
2960 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2961
2962         PR target/43707
2963         PR target/43709
2964         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2965         and splitter pattern.  Change splitter operand 1 predicate to
2966         nonmemory_operand.
2967
2968 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2969
2970         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2971         lattices are addresses of CONST_DECLs with the same initial value.
2972         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2973         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2974
2975 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2976             Bernd Schmidt  <bernds@codesourcery.com>
2977
2978         * loop-invariant.c (replace_uses): New static function.
2979         (move_invariant_reg): Use it to ensure we can replace the uses.
2980
2981 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2982
2983         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2984         function template.
2985         (picochip_override_options): Enable section anchors only above -O1.
2986         (picochip_reorg): Fixed a couple of build warnings.
2987
2988 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2989
2990         * configure.ac (plugin -rdynamic test): Log result.
2991         * configure: Regenerate.
2992         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2993         (RDYNAMIC_SPEC): Define.
2994         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2995
2996 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2997
2998         * configure.ac: Determine Sun ld version numbers.
2999         (comdat_group): Restrict GNU ld version checks to gld.
3000         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
3001         (enable_comdat): Support --enable-comdat.
3002         * configure: Regenerate.
3003         * doc/install.texi (Configuration): Document --enable-comdat.
3004
3005 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3006
3007         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
3008         * config/sol2-gld.h: ... here.
3009         * config.gcc (sparc*-*-solaris2*): Reflect this.
3010         (i[34567]86-*-solaris2*): Use it.
3011
3012 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
3013
3014         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
3015         setup_clocks_p.
3016         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
3017
3018 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3019
3020         PR 42965
3021         * diagnostic.c (diagnostic_initialize): Initialize
3022         some_warnings_are_errors.
3023         (diagnostic_finish): New.
3024         (diagnostic_action_after_output): Call it before exiting.
3025         (diagnostic_report_diagnostic): Do not print message here. Set
3026         some_warnings_are_errors.
3027         * diagnostic.h (diagnostic_context): Delete
3028         issue_warnings_are_errors_message. Add some_warnings_are_errors.
3029         (diagnostic_finish): Declare.
3030         * toplev.c (toplev_main): Call it before exit.
3031
3032 2010-04-09  Jason Merrill  <jason@redhat.com>
3033
3034         PR c++/42623
3035         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3036         for incomplete type.
3037
3038         PR c++/41788
3039         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3040         based on a warning flag.
3041
3042 2010-04-09  Richard Guenther  <rguenther@suse.de>
3043
3044         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3045
3046 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
3047
3048         PR bootstrap/43684
3049         * varasm.c (default_assemble_visibility): Wrap vars that are
3050         set, but unused, by targets without GAS.
3051         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3052         Remove set, but unused, vars.
3053         (rs6000_legitimize_tls_address): Likewise.
3054         (altivec_expand_dst_builtin): Likewise.
3055         * config/darwin.c (machopic_classify_symbol): Likewise.
3056         (machopic_indirection_name): Likewise.
3057
3058 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3059
3060         * config/i386/i386.md (DWI): New mode iterator.
3061         (S): New mode attribute.
3062         (shift_operand): Ditto.
3063         (shift_immediate_operand): Ditto.
3064         (ashl_input_operand): Ditto.
3065         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3066         using SDWIM mode iterator.
3067         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3068         pattern from *ashl{di,ti}3_1 and corresponding splitters using
3069         DWI mode iterator.
3070         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3071         from corresponding peephole2 patterns.
3072         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3073         and x86_64_shift_adj_1 using SWI48 mode iterator.
3074         (x86_shift<mode>_adj_2): Ditto.
3075         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3076         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3077         using SWI48 mode iterator.
3078         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3079         *ashldi3_cmp_rex64 using SWI mode iterator.
3080         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3081         *ashldi3_cconly_rex64 using SWI mode iterator.
3082         * config/i386/i386.c (ix86_split_ashl): Update for renamed
3083         x86_shift<mode>_adj_{1,2}.
3084         (ix86_split_ashr): Ditto.
3085         (ix86_split_lshr): Ditto.
3086
3087 2010-04-09  Richard Guenther  <rguenther@suse.de>
3088
3089         * target.h (builtin_conversion): Pass in input and output types.
3090         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3091         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3092         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3093         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3094
3095         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3096         Handle AVX modes.
3097         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3098
3099 2010-04-09  Richard Guenther  <rguenther@suse.de>
3100
3101         PR target/43152
3102         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3103
3104 2010-04-09  Richard Guenther  <rguenther@suse.de>
3105
3106         * tree-vectorizer.h (struct _stmt_vec_info): Document
3107         that vectype is the type of the LHS.
3108         (supportable_widening_operation, supportable_narrowing_operation):
3109         Get both input and output vector types as arguments.
3110         (vect_is_simple_use_1): Declare.
3111         (get_same_sized_vectype): Likewise.
3112         * tree-vect-loop.c (vect_determine_vectorization_factor):
3113         Set STMT_VINFO_VECTYPE to the vector type of the def.
3114         (vectorizable_reduction): Adjust.
3115         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3116         Adjust.  Specify the output vector type.
3117         (vect_pattern_recog_1): Adjust.
3118         * tree-vect-stmts.c (get_same_sized_vectype): New function.
3119         (vectorizable_call): Adjust.
3120         (vectorizable_conversion): Likewise.
3121         (vectorizable_operation): Likewise.
3122         (vectorizable_type_demotion): Likewise.
3123         (vectorizable_type_promotion): Likewise.
3124         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3125         the def.
3126         (vect_is_simple_use_1): New function.
3127         (supportable_widening_operation): Get both input and output
3128         vector types.
3129         (supportable_narrowing_operation): Likewise.
3130         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3131
3132 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
3133
3134         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3135         __thiscall and _thiscall as predefined macros.
3136         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3137         thiscall attribute handling.
3138         (ix86_comp_type_attributes): Likewise.
3139         (ix86_function_regparm): Likewise.
3140         (ix86_return_pops_args): Likewise.
3141         (init_cumulative_args): Likewise.
3142         (find_drap_reg): Likewise.
3143         (ix86_static_chain): Likewise.
3144         (x86_this_parameter): Likewise.
3145         (x86_output_mi_thunk): Likewise.
3146         (ix86_attribute_table): Add description for thiscall attribute.
3147         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3148         * doc/extend.texi: Add documentation for thiscall.
3149
3150 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3151
3152         PR c++/28584
3153         * c.opt (Wint-to-pointer-cast): Available in C++.
3154         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3155
3156 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
3157
3158         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3159         * calls.c (expand_call): Pass the function type to aggregate_value_p.
3160         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3161         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
3162         function type instead.  Reorder and simplify checks.
3163
3164         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3165
3166 2010-04-08  Jing Yu  <jingyu@google.com>
3167             Zdenek Dvorak  <ook@ucw.cz>
3168
3169         PR tree-optimization/42720
3170         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3171         loop unswitch conditions here from ...
3172         (tree_unswitch_single_loop): ... here.
3173
3174 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3175
3176         * tree-if-conv.c: Fix comments and simplify logic.
3177
3178 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3179
3180         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3181         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
3182         (main_tree_if_conversion): Update call to tree_if_conversion.
3183
3184 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3185
3186         PR 42485
3187         * doc/invoke.texi (-b,-V): Delete.
3188         * doc/tm.texi: Do not mention -b.
3189         * gcc.c (display_help): Delete -b and -V.
3190         (process_command): Delete -b and -V.
3191         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3192
3193 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
3194             Wolfgang Gellerich  <gellerich@de.ibm.com>
3195
3196         Implement target hook for loop unrolling
3197         * target.h (loop_unroll_adjust): Add a new target hook function.
3198         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3199         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3200         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3201         (s390_loop_unroll_adjust): Implement the new target hook for s390.
3202         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3203         target hook.
3204         (decide_unroll_stupid): Likewise.
3205
3206 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3207
3208         PR target/43643
3209         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3210
3211 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3212
3213         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3214         (Specific, *-*-solaris2*): Likewise.
3215         Don't prefer Sun as over GNU as.
3216
3217 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
3218
3219         * config/s390/s390.c (override_options): Adjust the z10
3220           defaults for max-unroll-times, max-completely-peeled-insns
3221           and max-completely-peel-times.
3222
3223 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3224
3225         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3226         instructions for z10.
3227         (s390_expand_setmem): Likewise.
3228         (s390_expand_cmpmem): Likewise.
3229
3230 2010-04-08  Richard Guenther  <rguenther@suse.de>
3231
3232         PR tree-optimization/43679
3233         * tree-ssa-pre.c (eliminate): Only propagate copies.
3234
3235 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3236
3237         PR bootstrap/43681
3238         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3239         set but not used variable warning.
3240
3241 2010-04-08  Wei Guozhi  <carrot@google.com>
3242
3243         PR target/41653
3244         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3245         (arm_size_rtx_costs): Call the new function when optimized for size.
3246
3247 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3248
3249         PR debug/43670
3250         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3251         op0 is not a MEM, just return NULL instead of assertion
3252         failure.
3253         (discover_nonconstant_array_refs): Don't walk debug stmts.
3254
3255 2010-04-08  Doug Kwan  <dougkwan@google.com>
3256
3257         * configure.ac: Recognize gold and do not use its version number
3258         to test ld features.
3259         * configure: Regenerate.
3260
3261 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
3262
3263         PR middle-end/40815
3264         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3265         (negate_value): Move code to push elements to broken_up_substracts ...
3266         (eliminate_plus_minus_pair): ... here.  Push operands that have no
3267         negative pair to plus_negates.
3268         (repropagate_negates, init_reassoc, fini_reassoc): Update.
3269
3270 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3271
3272         * doc/install.texi (Configuration): Move description of
3273         --enable-lto, --with-libelf*, --enable-gold from Java section to
3274         general section.
3275
3276         * doc/generic.texi (Working with declarations)
3277         (Function Properties, C and C++ Trees): Fix typos.
3278         * doc/sourcebuild.texi (Top Level): Likewise.
3279
3280 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3281
3282         PR c/18624
3283         * tree.h (DECL_READ_P): Define.
3284         (struct tree_decl_common): Add decl_read_flag.
3285         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3286         a set but not used warning.
3287         (merge_decls): Merge DECL_READ_P flag.
3288         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3289         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3290         * c-common.c (handle_used_attribute, handle_unused_attribute):
3291         Likewise.
3292         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3293         New prototypes.
3294         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3295         New functions.
3296         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3297         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3298         c_parser_binary_expression, c_parser_cast_expression,
3299         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3300         Call default_function_array_read_conversion instead of
3301         default_function_array_conversion where needed.
3302         (c_parser_unary_expression, c_parser_conditional_expression,
3303         c_parser_postfix_expression_after_primary, c_parser_initelt):
3304         Likewise.  Call mark_exp_read where needed.
3305         (c_parser_statement_after_labels, c_parser_asm_operands,
3306         c_parser_typeof_specifier, c_parser_sizeof_expression,
3307         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3308         where needed.
3309         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3310         New.
3311         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3312         (warn_unused_but_set_parameter): Default to warn_unused
3313         && extra_warnings.
3314         * doc/invoke.texi: Document -Wunused-but-set-variable and
3315         -Wunused-but-set-parameter.
3316
3317         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3318         used count variable.
3319         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3320         when operandN variables aren't used in the body of the expander
3321         or splitter.
3322         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3323         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3324         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3325         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3326         FOR_EACH_IMM_USE_ON_STMT): Likewise.
3327         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3328         * tree.c (PROCESS_ARG): Likewise.
3329
3330 2010-04-07  Simon Baldwin  <simonb@google.com>
3331
3332         * diagnostic.h (diagnostic_override_option_index): New macro to
3333         set a diagnostic's option_index.
3334         * c-tree.h (c_cpp_error): Add warning reason argument.
3335         * opts.c (_warning_as_error_callback): New.
3336         (register_warning_as_error_callback): Store callback for
3337         warnings enabled via enable_warning_as_error.
3338         (enable_warning_as_error): Call callback, minor code tidy.
3339         * opts.h (register_warning_as_error_callback): Declare.
3340         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3341         response to -Werror=.
3342         (c_common_init_options): Register warning_as_error_callback in opts.c.
3343         * common.opt: Add -Wno-cpp option.
3344         * c-common.c (struct reason_option_codes_t): Map cpp warning
3345         reason codes to gcc option indexes.
3346         * (c_option_controlling_cpp_error): New function, lookup the gcc
3347         option index for a cpp warning reason code.
3348         * (c_cpp_error): Add warning reason argument, call
3349         c_option_controlling_cpp_error for diagnostic_override_option_index.
3350         * doc/invoke.texi: Document -Wno-cpp.
3351
3352 2010-04-07  Richard Guenther  <rguenther@suse.de>
3353
3354         * ipa-reference.c (mark_load): Use get_base_address.
3355         (mark_store): Likewise.
3356
3357         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3358         inserting GIMPLE_NOPs into the IL.
3359         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3360         Explicitly strip handled components and indirect references.
3361
3362         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3363         folding address expressions.
3364         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3365         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3366         operand_equal_p to compare decls.
3367         (ptr_deref_may_alias_decl_p): Likewise.
3368         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3369         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3370         Handle reversed comparison ops.
3371         * tree-sra.c (asm_visit_addr): Use get_base_address.
3372         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3373         * ipa-reference.c (mark_address): Use get_base_address.
3374
3375 2010-04-07  Richard Guenther  <rguenther@suse.de>
3376
3377         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3378         Propagate constants everywhere.
3379
3380 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3381
3382         PR debug/43516
3383         * tree.c (MAX_INT_CACHED_PREC): Define.
3384         (nonstandard_integer_type_cache): New array.
3385         (build_nonstandard_integer_type): Cache results for precision
3386         <= MAX_INT_CACHED_PREC.
3387
3388 2010-04-07  Richard Guenther  <rguenther@suse.de>
3389
3390         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3391         -fargument-noalias-global, -fargument-noalias-anything): Remove.
3392         * common.opt: Likewise.
3393         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3394         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3395         (nonoverlapping_memrefs_p): Likewise.
3396         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3397         * opts.c (common_handle_option): Handle OPT_fargument_alias,
3398         OPT_fargument_noalias, OPT_fargument_noalias_anything and
3399         OPT_fargument_noalias_global for backward compatibility.
3400
3401 2010-04-07  Richard Guenther  <rguenther@suse.de>
3402
3403         PR tree-optimization/43270
3404         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3405         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3406         * tree-ssa-pre.c (phi_translate_1): Adjust.
3407         (fully_constant_expression): Split out vn_reference handling to ...
3408         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3409         Fold reads from constant strings.
3410         (vn_reference_lookup): Handle fully constant references.
3411         (vn_reference_lookup_pieces): Likewise.
3412         * Makefile.in (expmed.o-warn): Add -Wno-error.
3413
3414 2010-04-07  Martin Jambor  <mjambor@suse.cz>
3415
3416         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3417
3418 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
3419
3420         PR driver/41594
3421         * gcc.c: Add -static-libstdc++ to list of recognized options.
3422
3423 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3424
3425         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3426
3427 2010-04-07  Richard Guenther  <rguenther@suse.de>
3428
3429         PR middle-end/42617
3430         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3431         bases build simple mem attributes to retain points-to information.
3432
3433 2010-04-07  Richard Guenther  <rguenther@suse.de>
3434
3435         PR middle-end/42617
3436         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3437         preserve points-to related information.
3438
3439 2010-04-07  Richard Guenther  <rguenther@suse.de>
3440
3441         PR middle-end/42617
3442         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3443         discard plain indirect references.
3444         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3445         * tree.c (tree_nop_conversion): Likewise.
3446
3447 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
3448
3449         PR debug/43628
3450         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3451
3452 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
3453
3454         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3455         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3456
3457 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3458
3459         * tree-if-conv.c: Fix indentation and comments.
3460
3461 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3462
3463         * tree-if-conv.c: Sort static functions in topological order.
3464
3465 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3466
3467         * tree-if-conv.c: Fix indentation and comments.
3468
3469 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3470
3471         PR middle-end/43519
3472         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3473         lang_hooks.types.type_for_size instead of
3474         build_nonstandard_integer_type.
3475         When converting an unsigned type to signed, double its precision.
3476         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3477         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3478         (graphite_create_new_loop_guard): When ub + 1 wraps around,
3479         use lb <= ub.
3480
3481 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3482
3483         PR middle-end/43519
3484         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3485         POINTER_PLUS_EXPR for pointer types.
3486
3487 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3488
3489         PR middle-end/43519
3490         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3491         * graphite-clast-to-gimple.c: Include langhooks.h.
3492         (max_signed_precision_type): New.
3493         (max_precision_type): Takes two types as arguments.
3494         (precision_for_value): New.
3495         (precision_for_interval): New.
3496         (gcc_type_for_interval): New.
3497         (gcc_type_for_value): New.
3498         (gcc_type_for_clast_term): New.
3499         (gcc_type_for_clast_red): New.
3500         (gcc_type_for_clast_bin): New.
3501         (gcc_type_for_clast_expr): Split up into several functions.
3502         (gcc_type_for_clast_eq): Rewritten.
3503         (compute_bounds_for_level): New.
3504         (compute_type_for_level_1): New.
3505         (compute_type_for_level): New.
3506         (gcc_type_for_cloog_iv): Removed.
3507         (gcc_type_for_iv_of_clast_loop): Rewritten.
3508         (graphite_create_new_loop): Compute the lower and upper bound types
3509         with gcc_type_for_clast_expr.
3510         (graphite_create_new_loop_guard): Same.
3511         (find_cloog_iv_in_expr): Removed.
3512         (compute_cloog_iv_types_1): Removed.
3513         (compute_cloog_iv_types): Removed.
3514         (gloog): Do not call compute_cloog_iv_types.
3515         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3516         GBB_CLOOG_IV_TYPES.
3517         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3518         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3519         (GBB_CLOOG_IV_TYPES): Removed.
3520
3521 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3522
3523         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3524         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3525         (detect_commutative_reduction): Same.
3526
3527 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3528
3529         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3530         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
3531         argument.
3532         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3533         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3534         (rewrite_commutative_reductions_out_of_ssa): Same.
3535         * passes.c (execute_function_todo): Call verify_ssa for every pass
3536         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
3537         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3538         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3539         with an extra argument.
3540         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
3541         verify_ssa only when the extra argument is true.
3542         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3543         with an extra argument.
3544         (tree_transform_and_unroll_loop): Same.
3545
3546 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3547
3548         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3549         for all the passes of the LNO having LOOP_CLOSED_SSA.
3550         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3551         * tree-loop-distribution.c (pass_loop_distribution): Same.
3552         * tree-pass.h (TODO_verify_loops): Removed.
3553         * tree-ssa-loop.c (pass_tree_loop_init): Same.
3554         (pass_lim): Same.
3555         (pass_tree_unswitch): Same.
3556         (pass_predcom): Same.
3557         (pass_vectorize): Same.
3558         (pass_linear_transform): Same.
3559         (pass_graphite_transforms): Same.
3560         (pass_iv_canon): Same.
3561         (pass_complete_unroll): Same.
3562         (pass_complete_unrolli): Same.
3563         (pass_parallelize_loops): Same.
3564         (pass_loop_prefetch): Same.
3565         (pass_iv_optimize): Same.
3566
3567 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
3568
3569         PR middle-end/32824
3570         * passes.c (init_optimization_passes): Move pass_lim before
3571         pass_copy_prop and pass_dce_loop.
3572
3573 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3574
3575         PR target/43667
3576         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3577         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3578         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3579         MULTI_* defines for 4 argument vpermil2p* builtins.
3580
3581 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3582
3583         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3584         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3585         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3586         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3587         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3588         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3589         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3590         Use x86_maybe_negate_const_int to output insn mnemonic.
3591         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3592         check from instruction predicate.  Update comments.
3593         * config/i386/sync.md (sync_add<mode>): Use
3594         x86_maybe_negate_const_int to output insn mnemonic.
3595
3596 2010-04-06  Jan Hubicka  <jh@suse.cz>
3597
3598         PR tree-optimization/42906
3599         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3600         IGNORE_SELF argument.  Set visited_control_parents for fully
3601         processed BBs.
3602         (find_obviously_necessary_stmts): Update call of
3603         mark_control_dependent_edges_necessary.
3604         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3605
3606 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3607
3608         * config/i386/i386.md: Remove comment about 'e' and 'E'
3609         operand modifier.
3610
3611 2010-04-06  Richard Guenther  <rguenther@suse.de>
3612
3613         PR tree-optimization/43627
3614         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3615         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3616         not varying.
3617
3618 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3619
3620         * BASE-VER: Change to 4.6.0.
3621
3622         PR target/43638
3623         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3624         handling.
3625
3626 2010-04-06  Richard Guenther  <rguenther@suse.de>
3627
3628         PR middle-end/43661
3629         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3630
3631 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3632
3633         * doc/invoke.texi (Optimize Options): Document that LTO
3634         won't remove object access purely due to incompatible
3635         declarations.
3636
3637 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3638
3639         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3640         Initialize variable.
3641
3642 2010-04-03  Richard Guenther  <rguenther@suse.de>
3643
3644         PR middle-end/42509
3645         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3646         require a non-NULL MEM_OFFSET.
3647
3648 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3649
3650         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3651         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3652         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3653         config/alpha/predicates.md, config/arm/arm.md,
3654         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3655         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3656         config/darwin9.h, config/darwin.c, config/darwin.h,
3657         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3658         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3659         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3660         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3661         config/mips/mips.md, config/mn10300/mn10300.c,
3662         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3663         config/rs6000/aix.h, config/rs6000/dfp.md,
3664         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3665         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3666         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3667         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3668         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3669         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3670         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3671         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3672         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3673         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3674         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3675         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3676         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3677         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3678         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3679         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3680         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3681         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3682         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3683         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3684         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3685         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3686         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3687         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3688         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3689         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3690         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3691         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3692         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3693         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3694         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3695         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3696         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3697         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3698         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3699         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3700
3701 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3702
3703         PR other/43620
3704         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3705         * aclocal.m4: Regenerate.
3706
3707 2010-04-02  Richard Guenther  <rguenther@suse.de>
3708
3709         PR tree-optimization/43629
3710         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3711         if we have seen a constant value.
3712
3713 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3714
3715         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3716
3717 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3718
3719         PR target/43469
3720         * arm.c (legitimize_tls_address): Adjust call to
3721         gen_tls_load_dot_plus_four.
3722         (arm_note_pic_base): New function.
3723         (arm_cannot_copy_insn_p): Use it.
3724         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3725         constraint.
3726
3727 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3728
3729         PR bootstrap/43531
3730
3731         Revert:
3732         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3733
3734         * Makefile.in ($(out_object_file)): Depend on
3735         gt-$(basename $(notdir $(out_file))).h.
3736
3737 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3738
3739         * config.gcc (lm32-*-rtems*): Add t-lm32.
3740
3741 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3742
3743         * config.gcc: Add lm32-*-rtems*.
3744         * config/lm32/rtems.h: New file.
3745
3746 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3747
3748         PR target/42609
3749         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3750
3751 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3752
3753         * dwarf2out.c (output_compilation_unit_header): For
3754         -gdwarf-4 use version 4 instead of version 3.
3755         (output_line_info): For version 4 and above emit additional
3756         maximum ops per insn header field.
3757         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3758
3759         * dwarf2out.c (is_c_family, is_java): Remove.
3760         (lower_bound_default): New function.
3761         (add_bound_info, gen_descr_array_type_die): Use it.
3762
3763 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3764
3765         PR debug/43325
3766         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3767         re-declaration when it happens in a function.
3768
3769 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3770
3771         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3772         (cgraph_remove_function_insertion_hook): Same.
3773         (cgraph_call_function_insertion_hooks): Same.
3774
3775 2010-04-01  Richard Guenther  <rguenther@suse.de>
3776
3777         PR middle-end/43614
3778         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3779         and TREE_THIS_VOLATILE.
3780         (copy_ref_info): Likewise.
3781         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3782         * tree.c (build6_stat): Ignore side-effects of all but arg5
3783         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3784         TARGET_MEM_REF.
3785
3786 2010-04-01  Richard Guenther  <rguenther@suse.de>
3787
3788         PR tree-optimization/43607
3789         * ipa-type-escape.c (check_call): Do not access non-existing
3790         arguments.
3791
3792 2010-04-01  Richard Guenther  <rguenther@suse.de>
3793
3794         PR middle-end/43602
3795         Revert
3796         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3797                     Jack Howarth <howarth@bromo.med.uc.edu>
3798
3799         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3800         variables TLS.
3801
3802 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3803
3804         * doc/install.texi (Prerequisites): Document libelf usability on
3805         IRIX 5/6 and Solaris 2.
3806         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3807         Update GNU as, GNU ld requirements.
3808         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3809         Document Sun Studio compiler download.
3810         Update and simplify as, ld recommendations.
3811         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3812
3813 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3814
3815         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3816         with_tune_32 to pentium4.
3817
3818 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3819
3820         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3821
3822 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3823
3824         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3825         obsoletion, removal.
3826         Update IDO URL.
3827         Document GNU as requirement.
3828         Update configure requirements.
3829         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3830         Recomment IRIX 6.5.18+.
3831         Document IDF/IDL requirement.
3832         Document GNU as requirement.
3833         Document GNU ld bootstrap failure.
3834         Remove freeware.sgi.com reference.
3835
3836 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3837
3838         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3839         UNIX V4.0, V5.0 obsoletion, removal.
3840         Remove --with-gc=simple reference.
3841         Update VM requirements during bootstrap.
3842         Remove -oldas bootstrap description.
3843         Update binutils reference.
3844         Remove comparison failure note.
3845
3846 2010-03-31  Richard Guenther  <rguenther@suse.de>
3847             Zdenek Dvorak  <ook@ucw.cz>
3848             Sebastian Pop  <sebastian.pop@amd.com>
3849
3850         PR middle-end/43464
3851         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3852         with multiple arguments.
3853         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3854
3855 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3856
3857         * graphite-dependences.c (print_pddr): Call print_pdr with an
3858         extra argument.
3859         * graphite-poly.c (debug_pdr): Add an extra argument for the
3860         verbosity level.
3861         (print_pdr): Same.
3862         (print_pbb_domain): Same.
3863         (print_pbb): Same.
3864         (print_scop_context): Same.
3865         (print_scop): Same.
3866         (print_cloog): Same.
3867         (debug_pbb_domain): Same.
3868         (debug_pbb): Same.
3869         (print_pdrs): Same.
3870         (debug_pdrs): Same.
3871         (debug_scop_context): Same.
3872         (debug_scop): Same.
3873         (debug_cloog): Same.
3874         (print_scop_params): Same.
3875         (debug_scop_params): Same.
3876         (print_iteration_domain): Same.
3877         (print_iteration_domains): Same.
3878         (debug_iteration_domain): Same.
3879         (debug_iteration_domains): Same.
3880         (print_scattering_function): Same.
3881         (print_scattering_functions): Same.
3882         (debug_scattering_function): Same.
3883         (debug_scattering_functions): Same.
3884         * graphite-poly.h (debug_pdr): Update declaration.
3885         (print_pdr): Same.
3886         (print_pbb_domain): Same.
3887         (print_pbb): Same.
3888         (print_scop_context): Same.
3889         (print_scop): Same.
3890         (print_cloog): Same.
3891         (debug_pbb_domain): Same.
3892         (debug_pbb): Same.
3893         (print_pdrs): Same.
3894         (debug_pdrs): Same.
3895         (debug_scop_context): Same.
3896         (debug_scop): Same.
3897         (debug_cloog): Same.
3898         (print_scop_params): Same.
3899         (debug_scop_params): Same.
3900         (print_iteration_domain): Same.
3901         (print_iteration_domains): Same.
3902         (debug_iteration_domain): Same.
3903         (debug_iteration_domains): Same.
3904         (print_scattering_function): Same.
3905         (print_scattering_functions): Same.
3906         (debug_scattering_function): Same.
3907         (debug_scattering_functions): Same.
3908
3909 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3910
3911         * graphite-poly.c (print_scattering_function_1): New.
3912         (print_scattering_function): Call it.
3913         (print_scop_params): Remove spaces at the end of lines.
3914         (print_cloog): New.
3915         (debug_cloog): New.
3916         * graphite-poly.h (print_cloog): Declared.
3917         (debug_cloog): Declared.
3918
3919 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3920
3921         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3922         in loop->header.
3923         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3924         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3925         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3926         to switch between adding the IV bump in loop->latch or in loop->header.
3927
3928 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3929
3930         * graphite-poly.c (print_scattering_function): Pretty print following
3931         the scoplib format.
3932         (print_pdr): Same.
3933         (print_pbb_domain): Same.
3934         (dump_gbb_cases): Same.
3935         (dump_gbb_conditions): Same.
3936         (print_pdrs): Same.
3937         (print_pbb): Same.
3938         (print_scop_params): Same.
3939         (print_scop_context): Same.
3940         (print_scop): Same.
3941         (print_pbb_body): New.
3942         (lst_indent_to): New.
3943         (print_lst): Start new lines with a #.
3944         * graphite-poly.h (pbb_bb): New.
3945         (pbb_index): Use pbb_bb.
3946         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3947         disjuncts.
3948         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3949
3950 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3951
3952         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3953         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3954         and 0 instead of 1 for dw_val_class_flag.
3955         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3956         dw_val_class_range_list, dw_val_class_loc_list,
3957         dw_val_class_lineptr and dw_val_class_macptr, use
3958         DW_FORM_flag_present for dw_val_class_flag and
3959         DW_FORM_exprloc for dw_val_class_loc.
3960         (output_die): For -gdwarf-4 print dw_val_class_loc
3961         size as uleb128 instead of 1 or 2 bytes and don't print
3962         anything for dw_val_class_flag.
3963
3964         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3965         instead of cselib_lookup following by tweaking locs->setting_insn.
3966
3967         PR bootstrap/43596
3968         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3969         even before returning from label, setjmp call or volatile asm
3970         handling.
3971
3972 2010-03-31  Richard Guenther  <rguenther@suse.de>
3973
3974         PR middle-end/43600
3975         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3976         temporary data on stack.
3977
3978 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3979
3980         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3981         (PUSHSECTION_ASM_OP): Remove.
3982         (POPSECTION_ASM_OP): Remove.
3983         (PUSHSECTION_FORMAT): Remove.
3984         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3985         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3986         * config/sol2.c (solaris_output_init_fini): Use it.
3987
3988 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3989
3990         PR 43574
3991         * opt-functions.awk (var_type_struct): Use signed char type
3992         for simple variables.
3993