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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/43987
4         * tree-ssa-structalias.c (could_have_pointers): For possibly
5         address-taken variables force pointers to be recorded.
6         (create_variable_info_for_1): Likewise.
7         (push_fields_onto_fieldstack): Pass in wheter all fields
8         must have pointers.
9         (find_func_aliases): Query types instead of vars whether
10         they contain pointers where appropriate.
11
12 2010-05-06  Jan Hubicka  <jh@suse.cz>
13
14         * cgraphbuild.c (record_reference_ctx): Add varpool_node.
15         (record_reference, mark_address, mark_load, mark_store): Record
16         references.
17         (record_references_in_initializer): Update call of record_references.
18         (rebuild_cgraph_edges): Remove all references before rebuiding.
19         * cgraph.c (cgraph_create_node): Clear ref list.
20         (cgraph_remove_node): Remove references.
21         (dump_cgraph_node): Dump references.
22         (cgraph_clone_node): Clone references.
23         * cgraph.h: Include ipa-ref.h and ipa-ref-inline.h
24         (struct cgraph_node, varpool_node): Add ref_lst.
25         * ipa-ref.c: New file.
26         * ipa-ref.h: New file.
27         * ipa-ref-inline.h: New file.
28         * lto-cgraph.c (output_varpool): Take cgrag node set argument.
29         (referenced_from_other_partition_p): New function.
30         (lto_output_varpool_node): Take set arugment; call
31         referenced_from_other_partition.
32         (lto_output_ref): New.
33         (add_references): New.
34         (output_refs): New.
35         (output_cgraph): Compute boundary based on references;
36         output refs.
37         (output_varpool): Accept cgraph_node_set argument.
38         (input_ref): New.
39         (input_refs): New.
40         (input_cgraph): Call input_refs.
41         * lto-section-in.c (lto_section_name): Add refs.
42         * Makefile.in: (cgraph.h): Include ipa-ref.h and ipa-ref-inline.h
43         (ipa-ref.o): New file.
44         * varpool.c (varpool_node): Clear ipa ref list.
45         (varpool_remove_node): Remove references.
46         (dump_varpool_node): Dump references.
47         (varpool_assemble_decl): Only compile finalized ones.
48         (varpool_extra_name_alias): Initialize ref list.
49         * lto-streamer.c (lto-get_section_name): Add .refs section.
50         * lto-streamer.h (lto_section_type): Add LTO_section_refs.
51         (referenced_from_other_partition_p): Declared.
52
53 2010-05-06  Ira Rosen  <irar@il.ibm.com>
54
55         PR tree-optimization/43901
56         * tree-vect-stmts.c (vectorizable_call): Assert that vector
57         type is not NULL if it's transformation phase, and return
58         FALSE if it's analysis.
59         (vectorizable_conversion, vectorizable_operation, 
60         vectorizable_type_demotion, vectorizable_type_promotion):
61         Likewise.
62
63 2010-05-05  Andrew Pinski  <andrew.pinski@caviumnetworks.com>
64
65         * config/mips/mips.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
66         Delete.
67         * config/mips/mips.c (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P):
68         New define.
69         * config/mips/mips-protos.h
70         (mips_small_register_classes_for_mode_p): Delete prototype.
71
72 2010-05-06  Bernd Schmidt  <bernds@codesourcery.com>
73
74         * config/arm/arm.h (MAX_LDM_STM_OPS): New macro.
75         * config/arm/arm.c (multiple_operation_profitable_p,
76         compute_offset_order): New static functions.
77         (load_multiple_sequence, store_multiple_sequence): Use them.
78         Replace constant 4 with MAX_LDM_STM_OPS.  Compute order[0] from
79         memory offsets, not register numbers.
80         (emit_ldm_seq, emit_stm_seq): Replace constant 4 with MAX_LDM_STM_OPS.
81
82 2010-05-05  Steven Bosscher  <steven@gcc.gnu.org>
83
84         * stor-layout.c (pending_sizes): Change the type to
85         VEC(tree,gc) *.
86         (get_pending_sizes, put_pending_size, put_pending_sizes):
87         Update the uses of pending_sizes.
88         * c-decl.c (store_parm_decls): Likewise.
89         * c-tree.h (struct c_arg_info): Likewise.
90         * tree.h: Update the prototype for get_pending_sizes and
91         put_pending_sizes.
92
93 2010-05-05  Jason Merrill  <jason@redhat.com>
94
95         PR debug/43370
96         * c-common.c (handle_aligned_attribute): Respect
97         ATTR_FLAG_TYPE_IN_PLACE.
98
99         PR testsuite/43758
100         * target.h (struct gcc_target): Add attribute_takes_identifier_p.
101         * target_def.h (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
102         (TARGET_INITIALIZER): Use it.
103         * c-common.c (attribute_takes_identifier_p): Call it.
104         * c-common.h: Update prototype.
105         * config/rs6000/rs6000.c (rs6000_attribute_takes_identifier_p): New.
106         (TARGET_ATTRIBUTE_TAKES_IDENTIFIER_P): Define.
107
108 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
109
110         PR debug/43950
111         * dwarf2out.c (gen_compile_unit_die): Add DW_AT_identifier_case
112         DW_ID_down_case for Fortran compilation units.
113
114 2010-05-05  Jan Hubicka  <jh@suse.cz>
115
116         * lto-cgraph.c (lto_output_varpool_node, input_varpool_node): Correctly
117         handle aliases.
118
119 2010-05-05  Eric Botcazou  <ebotcazou@adacore.com>
120
121         * gimplify.c (gimplify_return_expr): Gimplify the size expressions of
122         a variable-sized RESULT_DECL.
123
124 2010-05-05  Maxim Kuvyrkov  <maxim@codesourcery.com>
125
126         * doc/invoke.texi (-mfix-cortex-m3-ldrd): Move from ARC section to ARM.
127
128 2010-05-05  Jason Merrill  <jason@redhat.com>
129
130         PR c++/43787
131         * gimplify.c (gimplify_expr): Keep working if gimplify_modify_expr
132         returns GS_OK.
133         (gimplify_modify_expr_rhs): Return GS_OK if anything changed.
134
135 2010-05-05  Alexandre Oliva  <aoliva@redhat.com>
136             Jakub Jelinek  <jakub@redhat.com>
137
138         PR debug/43478
139         * df-problems.c (struct dead_debug_use, struct dead_debug): New.
140         (dead_debug_init, dead_debug_finish): New functions.
141         (dead_debug_add, dead_debug_insert_before): Likewise.
142         (df_note_bb_compute): Initialize a dead_debug object, add dead
143         debug uses to it, insert debug bind insns before death insns,
144         reset debug insns that refer to pending uses at the end.
145         * rtl.h (make_debug_expr_from_rtl): New prototype.
146         * varasm.c (make_debug_expr_from_rtl): New function.
147
148 2010-05-05  Jan Hubicka  <jh@suse.cz>
149
150         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
151         (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
152         lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
153         lto_varpool_encoder_encode_initializer_p,
154         lto_set_varpool_encoder_encode_initializer): New functions.
155         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
156         call output_varpool.
157         (input_varpool_node): Do not always set analyzed.
158         (input_cgraph_1): Return vector of cgraph nodes.
159         (input_varpool_1): Return vector of varpools.
160         (input_cgraph): Free the vectors.
161         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
162         output only initializers needed.
163         (lto_output): Only call output_cgraph.
164         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
165         * lto-section-out.c (lto_new_out_decl_state): Initialize
166         state->varpool_node_encoder.
167         * lto-streamer.h (lto_varpool_encoder_d): New.
168         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.     
169         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
170         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
171         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
172         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
173         Declare.
174         (output_varpool, input_varpool): Remove declarations.
175
176 2010-05-05  Jan Hubicka  <jh@suse.cz>
177
178         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
179         with body can prevail.
180
181 2010-05-05  Jan Hubicka  <jh@suse.cz>
182
183         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
184         size.
185
186 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
187
188         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
189         dependencies.
190
191         * gengtype.h (erro_at_line): Constify pos argument.
192
193         * gengtype.c: Include hashtab.h.
194         (enum gc_used): Document GC_MAYBE_POINTED_TO.
195         (error_at_line): Constify pos argument.
196         (do_typedef): Initialize p->opt field.
197         (get_file_gtfilename): Fix comment typo.
198         (struct walk_type_data): Constify line field.
199         (get_output_file_for_structure): New function.
200         (write_local_func_for_structure): Constify orig_s argument.
201         Use get_output_file_for_structure.
202         (write_func_for_structure): Use get_output_file_for_structure.
203         (INDENT): New define.
204         (dump_pair, dump_type, dump_type_list, dump_typekind)
205         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
206         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
207         functions.
208         (seen_types): New variable.
209         (main): New variable do_dump.  Process "-d" command line option.
210         Call dump_everything if dump requested.
211
212 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
213
214         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
215         in a temporary instead of invoking the macro multiple times.
216         (track_expr_p): Likewise.
217
218 2010-05-04  Neil Vachharajani <nvachhar@google.com>
219
220         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
221         per new semantics.
222         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
223         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
224         conditions for printing notes.
225         * common.opt (-Wcoverage-mismatch): Allow negative, default to
226         true, update documentation.
227         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
228
229 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
230
231         PR c/43981
232         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
233         on dimen.
234
235 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
236
237         PR target/43799
238         * config/i386/i386.md (sse_prologue_save): Add clobber CC
239         register.
240         (*sse_prologue_save_insn1): Likewise.
241         (SSE prologue save splitter): Likewise.
242
243 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
244
245         * tree.c (free_lang_data_in_one_sizepos): New inline function.
246         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
247         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
248         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
249         all decls.  Call it on DECL_FIELD_OFFSET of fields.
250         (find_decls_types_r): Follow DECL_VALUE_EXPR.
251         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
252
253 2010-05-04  Martin Jambor  <mjambor@suse.cz>
254
255         * tree-sra.c (build_access_from_expr_1): The first parameter type
256         changed to simple tree.
257         (build_access_from_expr): Likewise, gsi parameter was eliminated.
258         (scan_assign_result): Renamed to assignment_mod_result, enum elements
259         renamed as well.
260         (build_accesses_from_assign): Removed all parameters except for a
261         simple gimple statement.  Now returns a simple bool.
262         (scan_function): All non-analysis parts moved to separate functions
263         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
264         parameters and updated both callers.
265         (sra_modify_expr): Removed parameter data.
266         (sra_modify_function_body): New function.
267         (perform_intra_sra): Call sra_modify_function_body to modify the
268         function body.
269         (replace_removed_params_ssa_names): Parameter data changed into
270         adjustments vector.
271         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
272         changed the parameter dont_convert to convert with the opposite
273         meaning.
274         (sra_ipa_modify_assign): Parameter data changed into adjustments
275         vector, return value changed to bool.
276         (ipa_sra_modify_function_body): New function.
277         (sra_ipa_reset_debug_stmts): Updated a comment.
278         (modify_function): Use ipa_sra_modify_function_body to modify function
279         body.
280
281 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
282
283         PR middle-end/43671
284         * alias.c (true_dependence): Handle the same VALUE in x and mem.
285         (canon_true_dependence): Likewise.
286         (write_dependence_p): Likewise.
287
288 2010-05-04  Jan Hubicka  <jh@suse.cz>
289
290         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
291         * cgraphbuild.c: Include ipa-utils.h
292         (record_reference_ctx): New struct.
293         (record_reference): Simplify to work on initializers; not statements.
294         (mark_address, mark_load, mark_store): New.
295         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
296         walk PHI nodes too.
297         (record_references_in_initializer): Update use of record_reference.
298         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
299         walk PHI nodes too.
300
301 2010-05-04  Jan Hubicka  <jh@suse.cz>
302
303         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
304         node will be removed anyway.
305         (lto_varpool_replace_node): Allow also unanalyzed nodes;
306         relink aliases of node into prevailing node.
307         * varpool.c (varpool_remove_node): Remove aliases properly;
308         when removing node, remove all its aliases too; remove DECL_INITIAL
309         of removed node; ggc_free the varpool node.
310
311 2010-05-04  Richard Guenther  <rguenther@suse.de>
312
313         PR tree-optimization/43879
314         * tree-ssa-structalias.c (alias_get_name): Use
315         DECL_ASSEMBLER_NAME if available.
316         (create_function_info_for): Return the varinfo node.
317         (ipa_pta_execute): Associate same-body aliases and extra names
318         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
319
320 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
321
322         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
323         static.
324
325 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
326
327         PR bootstrap/43964
328         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
329         only if HONOR_REG_ALLOC_ORDER is not defined.
330
331 2010-05-04  Richard Guenther  <rguenther@suse.de>
332
333         PR tree-optimization/43949
334         * tree-vrp.c (extract_range_from_binary_expr): Only handle
335         TRUNC_MOD_EXPR.
336
337 2010-04-26  Jason Merrill  <jason@redhat.com>
338
339         * c.opt (-fstrict-enums): New.
340         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
341
342 2010-05-03  David Ung <davidu@mips.com>
343             James E. Wilson  <wilson@codesourcery.com>
344
345         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
346         emit the trap instruction before the divide for TUNE_74K.
347
348 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
349
350         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
351         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
352         based on the above, for new target hook.
353
354         * hooks.c (hook_bool_mode_true): New generic hook.
355         * hooks.h (hook_bool_mode_true): Add prototype.
356
357         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
358         target hook.
359         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
360         target hook, set to hook_bool_mode_false.
361         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
362         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
363         with targetm.small_register_classes_for_mode_p.
364         (find_reusable_reload): Likewise.
365         (combine_reloads): Likewise.
366         * reload1.c (reload_as_needed): Likewise.
367         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
368         * ifcvt.c (noce_process_if_block, check_cond_move_block,
369         dead_or_predicable): Likewise.
370         * regmove.c (optimize_reg_copy_1): Likewise.
371         * calls.c (prepare_call_address): Likewise.
372         (precompute_register_parameters): Likewise.
373
374         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
375         hook definition.
376         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
377         implementation of the hook that considers all register classes
378         small except for SH64.
379         (sh_override_options): Use the new hook.
380         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
381         Add prototype.
382
383         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
384         hook definition.
385         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
386         implementation of the hook that considers all register classes
387         small for THUMB1.
388         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
389         Add prototype.
390
391         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
392         hook definition.
393         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
394         implementation of the hook that considers all register classes
395         small for MIPS16.
396         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
397         Add prototype.
398
399         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
400         hook definition.
401         * config/m32c/m32c.h: Likewise.
402         * config/pdp11/pdp11.h: Likewise.
403         * config/avr/avr.h: Likewise.
404         * config/xtensa/xtensa.h: Likewise.
405         * config/m68hc11/m68hc11.h: Likewise.
406         * config/mn10300/mn10300.h: Likewise.
407         * config/mcore/mcore.h: Likewise.
408         * config/h8300/h8300.h: Likewise.
409         * config/bfin/bfin.h: Likewise.
410
411         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
412         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
413
414 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
415
416         * double-int.h (tree_to_double_int): Remove macro.
417         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
418         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
419         (tree_to_double_int): New function.
420         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
421         Move ...
422         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
423
424 2010-05-03  Richard Guenther  <rguenther@suse.de>
425
426         PR tree-optimization/43971
427         * tree-ssa-structalias.c (get_constraint_for_1): Fix
428         constraints in the !flag_delete_null_pointer_checks case.
429
430 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
431
432         PR debug/43972
433         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
434         result mode matches original rtl mode.
435
436 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
437
438         PR target/43888
439         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
440
441 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
442
443         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
444         when processing flag options.
445
446 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
447
448         * gcov-iov.c (main): Change format string placeholder
449         from %#08x to 0x%08x.
450         * genchecksum.c (dosum): Change format string placeholder
451         from %#02x to 0x%02x.
452
453 2010-05-02  Richard Guenther  <rguenther@suse.de>
454
455         PR tree-optimization/43879
456         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
457
458 2010-05-02  Bruno Haible  <bruno@clisp.org>
459
460         * doc/extend.texi (Function Attributes): Fix a typo.
461
462 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
463
464         Revert:
465         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
466         placeholder from 0x%x to %#x.
467         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
468         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
469         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
470         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
471         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
472         * config/i386/i386.c (ix86_target_string): Ditto.
473         * config/i386/i386.c (output_pic_addr_const): Ditto.
474         (print_operand): Ditto.
475
476 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
477
478         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
479         placeholder from 0x%x to %#x.
480         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
481         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
482         (ASM_OUTPUT_DEBUG_DATA): Ditto.
483         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
484         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
485         * optc-gen.awk: Ditto.
486         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
487         (HOST_WIDE_INT_PRINT_HEX): Ditto.
488         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
489         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
490
491 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
492
493         * target.h (struct calls): Add function_value_regno_p field.
494         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
495         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
496         * targhooks.c (default_function_value_regno_p): New function.
497         * targhooks.h (default_function_value_regno_p): Declare function.
498         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
499         * builtins.c. (apply_result_size): (Ditto.).
500         * combine.c. (likely_spilled_retval_p): (Ditto.).
501         * mode-switching.c. Include 'target.h'.
502         (create_pre_exit): Use function_value_regno_p hook.
503         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
504         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
505         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
506
507         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
508         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
509         (ix86_function_value_regno_p): Declare as static, change argument
510         type to const unsigned int.
511         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
512
513 2010-05-01  Richard Guenther  <rguenther@suse.de>
514
515         PR tree-optimization/43949
516         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
517         types.
518         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
519
520 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
521
522         * rtl.h (CONST_DOUBLE_P): Define.
523         (rtx_to_double_int): Declare.
524         * emit-rtl.c (rtx_to_double_int): New function.
525         * dwarf2out.c (insert_double): New function.
526         (loc_descriptor, add_const_value_attribute): Clean up, use
527         rtx_to_double_int and insert_double functions.
528
529 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
530
531         * doc/extend.texi (Inline): Add missing return keyword to examples.
532         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
533         "command-line".
534
535 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
536
537         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
538         the variable part of the offset as well.  Use highest_pow2_factor for
539         all alignment checks.
540
541 2010-04-30  Richard Guenther  <rguenther@suse.de>
542
543         PR tree-optimization/43879
544         * tree-ssa-structalias.c (type_could_have_pointers): Functions
545         can have pointers.
546
547 2010-04-30  Jan Hubicka  <jh@suse.cz>
548
549         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
550         varpool.
551         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
552
553 2010-04-30  Jan Hubicka  <jh@suse.cz>
554
555         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
556         New.
557         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
558         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
559         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
560         cgraph_node_set_needs_ltrans_p): Remove.
561
562 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
563
564         * sdbout.c: Include vec.h, do not include varray.h.
565         (deferred_global_decls, sdbout_global_decl,
566         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
567         * toplev.c: Do not include varray.h.
568         (dump_memory_report): Do not dump VARRAY statistics.
569         * gengtype.c (open_base_file): Ignore varray.h.
570         * Makefile.in: Update for abovementioned changes.
571         Remove all traces of varray.c and varray.h.
572         * varray.c: Remove file.
573         * varray.h: Remove file.
574
575 2010-04-30  Jan Hubicka  <jh@suse.cz>
576
577         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
578         references.
579
580 2010-04-30  Jan Hubicka  <jh@suse.cz>
581
582         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
583         needed.
584
585 2010-04-30  Richard Guenther  <rguenther@suse.de>
586
587         * tree-ssa-structalias.c (get_constraint_for_1): Generate
588         constraints for CONSTRUCTOR.
589
590 2010-04-30  Richard Guenther  <rguenther@suse.de>
591
592         PR lto/43946
593         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
594         first after all lowering passes.
595
596 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
597
598         * toplev.c: Include varray.h for statistics dumping.
599         * tree.h: Do not declare varray_head_tag.
600         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
601         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
602         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
603         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
604         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
605         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
606         c-common.c, c-common.h, reg-stack.c, basic-block.h,
607         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
608         include varray.h.
609         * Makefile.in: Update for abovementioned changes.
610
611 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
612
613         PR debug/43942
614         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
615
616 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
617
618         * config/picochip/picochip.c (picochip_legitimize_address): Define.
619         Use this function to do machine-specific conversion.
620         (picochip_legitimize_reload_address): Likewise.
621         (picochip_legitimate_address_p): Check valid base register only if
622         strict.
623         (picochip_check_conditional_copy): Check for modw only if opnd is
624         register.
625         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
626         to call the function in c.
627         * config/picochip/picochip-protos.h
628         (picochip_legitimize_reload_address): Define.
629         * config/picochip/picochip.md (supported_compare1): Define.
630
631 2010-04-30  Jan Hubicka  <jh@suse.cz>
632
633         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
634         (cgraph_global_info): Remove inlined.
635         (LTO_cgraph_tag_names): Remove.
636         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
637         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
638         simplify cgraph tags and document.
639         (lto_output_node): Use only LTO_cgraph_unavail_node and
640         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
641         for_functions_valid, global info, process and output flags.
642         (input_overwrite_node): Initialize estimated stack size and
643         estimated growth.  Do not read flags we no longer store.
644         (input_node): Likewise do not read info no longer stored.
645         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
646         flag.
647
648 2010-04-30  Richard Guenther  <rguenther@suse.de>
649
650         PR tree-optimization/43879
651         * tree-ssa-structalias.c (get_constraint_for_1): Properly
652         handle non-zero initializers.
653
654 2010-04-30  Richard Guenther  <rguenther@suse.de>
655
656         * builtins.c (fold_builtin_1): Delete free (0).
657
658 2010-04-29  Jan Hubicka  <jh@suse.cz>
659
660         * gengtype.c (open_base_files): Add lto-streamer.h
661         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
662         (pass_ipa_cp): GGC collect.
663         * toplev. (compile_file): Do not output symbols.
664         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
665         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
666         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
667         * lto-section-in.c: Include ggc.h
668         (lto_new_in_decl_state): Alloc in GGC.
669         (lto_delete_in_decl_state): Likewise.
670         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
671         Collect.
672
673 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
674
675         PR target/42895
676         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
677         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
678         (HONOR_REG_ALLOC_ORDER): Describe new macro.
679         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
680         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
681         account only if HONOR_REG_ALLOC_ORDER is not defined.
682         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
683         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
684
685 2010-04-29  Jon Grant  <04@jguk.org>
686
687         * collect2.c (vflag): Change type from int to bool.
688         (debug): Likewise.
689         (helpflag): New global bool.
690         (main): Set vflag and debug with boolean, not integer truth values.
691         Accept new "--help" option and output usage text if found.
692         * collect2.h (vflag): Update prototype.
693         (debug): Likewise.
694
695 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
696
697         PR bootstrap/43936
698         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
699
700 2010-04-29  Richard Guenther  <rguenther@suse.de>
701
702         PR bootstrap/43935
703         * plugin.h (invoke_plugin_callbacks): Annotate arguments
704         with ATTRIBUTE_UNUSED.
705
706 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
707
708         PR target/43921
709         * config/i386/i386.c (get_some_local_dynamic_name): Replace
710         INSN_P with NONDEBUG_INSN_P.
711         (distance_non_agu_define): Likewise.
712         (distance_agu_use): Likewise.
713
714 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
715
716         From Dominique d'Humieres <dominiq@lps.ens.fr>
717         PR bootstrap/43858
718         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
719         test_set.
720
721 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
722
723         * plugin.h (invoke_plugin_callbacks): New inline function.
724         * plugin.c (flag_plugin_added): New global flag.
725         (add_new_plugin): Initialize above flag.
726         (invoke_plugin_callbacks): Rename to ...
727         (invoke_plugin_callbacks_full): ... this.
728
729 2010-04-28  Jan Hubicka  <jh@suse.cz>
730
731         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
732         (lto_varpool_replace_node): New.
733         (lto_symtab_resolve_symbols): Resolve varpool nodes.
734         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
735         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
736         * cgraph.h (varpool_node_ptr): New type.
737         (varpool_node_ptr): New vector.
738         (varpool_node_set_def): New structure.
739         (varpool_node_set): New type.
740         (varpool_node_set): New vector.
741         (varpool_node_set_element_def): New structure.
742         (varpool_node_set_element, const_varpool_node_set_element): New types.
743         (varpool_node_set_iterator): New type.
744         (varpool_node): Add prev pointers, add used_from_other_partition,
745         in_other_partition.
746         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
747         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
748         varpool_get_node, varpool_remove_node): Declare.
749         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
750         varpool_node_set_size): New inlines.
751         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
752         * tree-pass.h (varpool_node_set_def): Forward declare.
753         (ipa_opt_pass_d): Summary writting takes vnode sets too.
754         (ipa_write_optimization_summaries): Update prototype.
755         * ipa-cp.c (ipcp_write_summary): Update.
756         * ipa-reference.c (ipa_reference_write_summary): Update.
757         * lto-cgraph.c (lto_output_varpool_node): New static function.
758         (output_varpool): New function.
759         (input_varpool_node): New static function.
760         (input_varpool_1): New function.
761         (input_cgraph): Input varpool.
762         * ipa-pure-const.c (pure_const_write_summary): Update.
763         * lto-streamer-out.c (lto_output): Update, output varpool too.
764         (write_global_stream): Kill WPA hack.
765         (produce_asm_for_decls): Update.
766         (output_alias_pair_p): Handle variables.
767         (output_unreferenced_globals): Output only needed partition of varpool.
768         * ipa-inline.c (inline_write_summary): Update.
769         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
770         cgraph.
771         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
772         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
773         varpool_node_set_new, varpool_node_set_add,
774         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
775         debug_varpool_node_set): New functions.
776         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
777         (execute_one_pass): Process new decls too.
778         (ipa_write_summaries_2): Pass around vsets.
779         (ipa_write_summaries_1): Likewise.
780         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
781         to add.
782         (ipa_write_optimization_summaries_1): Pass around vsets.
783         (ipa_write_optimization_summaries): Likewise.
784         * varpool.c (varpool_get_node): New.
785         (varpool_node): Update doubly linked lists.
786         (varpool_remove_node): New.
787         (dump_varpool_node): More dumping.
788         (varpool_enqueue_needed_node): Update doubly linked lists.
789         (decide_is_variable_needed): Kill ltrans hack.
790         (varpool_finalize_decl): Kill lto hack.
791         (varpool_assemble_decl): Skip decls in other partitions.
792         (varpool_assemble_pending_decls): Update doubly linkes lists.
793         (varpool_empty_needed_queue): Likewise.
794         (varpool_extra_name_alias): Likewise.
795         * lto-streamer.c (lto_get_section_name): Add vars section.
796         * lto-streamer.h (lto_section_type): Update.
797         (output_varpool, input_varpool): Declare.
798
799 2010-04-28  Mike Stump  <mikestump@comcast.net>
800
801         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
802
803 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
804
805         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
806         record or union type with RECORD_OR_UNION_TYPE_P predicate.
807         (lto_input_ts_type_tree_pointers): Likewise.
808         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
809         (lto_output_ts_type_tree_pointers): Likewise.
810
811 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
812
813         Uniquization of constants at the Tree level
814         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
815         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
816         bit to the end.
817         (tree_output_constant_def): Declare.
818         * gimplify.c (gimplify_init_constructor): When using block copy, first
819         uniquize the constant constructor on the RHS.
820         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
821         DECL_IN_CONSTANT_POOL flag.
822         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
823         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
824         constant pool.
825         (assemble_variable): Deal with symbols belonging to the tree constant
826         pool.
827         (get_constant_section): Add ALIGN parameter and simplify.
828         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
829         (assemble_constant_contents): Use the expression of the VAR_DECL.
830         (output_constant_def_contents): Use the alignment of the VAR_DECL.
831         (tree_output_constant_def): New global function.
832         (mark_constant): Use the expression of the VAR_DECL.
833         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
834         its expression.
835         (output_object_block): Likewise and assemble the expression.
836
837 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
838
839         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
840         hash_tree, eq_tree): New tree hash table.
841         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
842         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
843         lto_orig_address_remove): Reimplement.
844
845 2010-04-28  Xinliang David Li  <davidxl@google.com>
846
847         PR c/42643
848         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
849         (compute_uninit_opnds_pos): New function.
850         (is_non_loop_exit_postdominating): New function.
851         (compute_control_dep_chain): New function.
852         (find_pdom): New function.
853         (convert_control_dep_chain_into_preds): New function.
854         (find_predicates): New function.
855         (find_control_equiv_block): New function.
856         (collect_phi_def_edges): New function.
857         (find_def_preds): New function.
858         (find_dom): New function.
859         (dump_predicates): New function.
860         (get_cmp_code): New function.
861         (is_value_included_in): New function.
862         (find_matching_predicate_in_rest_chains): New function.
863         (use_pred_not_overlap_with_undef_path_pred): New function.
864         (is_use_properly_guarded): New function.
865         (normalize_cond_1): New function.
866         (is_and_or_or): New function.
867         (normalize_cond): New function.
868         (is_gcond_subset_of): New function.
869         (is_subset_of_any): New function.
870         (is_or_set_subset_of): New function.
871         (is_and_set_subset_of): New function.
872         (is_norm_cond_subset_of): New function.
873         (is_pred_expr_subset_of): New function.
874         (is_pred_chain_subset_of): New function.
875         (is_included_in): New function.
876         (is_superset_of): New function.
877         (find_uninit_use): New function.
878         (warn_uninitialized_phi): New function.
879         (compute_possibly_undefined_names): New function.
880         (ssa_undefined_value_p): New function.
881         (execute_late_warn_uninitialized): New function.
882         * tree-ssa.c (ssa_undefined_value_p): Removed.
883         (warn_uninit): Changed to extern.
884         (warn_uninitialized_phi): Removed.
885         (warn_uninitialized_vars): Changed to extern.
886         (execute_late_warn_uninitialized): Removed
887         * tree-flow.h: Add new prototypes.
888         * timevar.def: Add new time variable.
889         * Makefile.in: Add new build file.
890
891 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
892
893         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
894         type if available.
895
896 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
897
898         PR target/22224
899         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
900
901 2010-04-28  Martin Jambor  <mjambor@suse.cz>
902
903         * cgraph.h (struct cgraph_node): New field indirect_calls.
904         (struct cgraph_indirect_call_info): New type.
905         (struct cgraph_edge): Removed field indirect_call. New fields
906         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
907         (cgraph_create_indirect_edge): Declare.
908         (cgraph_make_edge_direct): Likewise.
909         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
910         * ipa-prop.h (struct ipa_param_call_note): Removed.
911         (struct ipa_node_params): Removed field param_calls.
912         (ipa_create_all_structures_for_iinln): Declare.
913         * cgraph.c: Described indirect edges and uids in initial comment.
914         (cgraph_add_edge_to_call_site_hash): New function.
915         (cgraph_edge): Search also among the indirect edges, use
916         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
917         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
918         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
919         site hash.
920         (initialize_inline_failed): Assign a reason to indirect edges.
921         (cgraph_create_edge_1): New function.
922         (cgraph_create_edge): Moved some functionality to
923         cgraph_create_edge_1.
924         (cgraph_create_indirect_edge): New function.
925         (cgraph_edge_remove_callee): Add an assert checking for
926         non-indirectness.
927         (cgraph_edge_remove_caller): Special-case indirect edges.
928         (cgraph_remove_edge): Likewise.
929         (cgraph_set_edge_callee): New function.
930         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
931         (cgraph_make_edge_direct): New function.
932         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
933         the declaration of the call statement matches.
934         (cgraph_node_remove_callees): Special-case indirect edges.
935         (cgraph_clone_edge): Likewise.
936         (cgraph_clone_node): Clone also the indirect edges.
937         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
938         indirect_call, dump count of indirect_calls edges.
939         * ipa-prop.c (iinlining_processed_edges): New variable.
940         (ipa_note_param_call): Create indirect edges instead of
941         creating notes.  New parameter node.
942         (ipa_analyze_call_uses): New parameter node, pass it on to
943         ipa_note_param_call.
944         (ipa_analyze_stmt_uses): Likewise.
945         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
946         (print_edge_addition_message): Work on edges rather than on notes.
947         (update_call_notes_after_inlining): Likewise, renamed to
948         update_indirect_edges_after_inlining.
949         (ipa_create_all_structures_for_iinln): New function.
950         (ipa_free_node_params_substructures): Do not free notes.
951         (ipa_edge_duplication_hook): Propagate bits within
952         iinlining_processed_edges bitmap.
953         (ipa_node_duplication_hook): Do not duplicate notes.
954         (free_all_ipa_structures_after_ipa_cp): Renamed to
955         ipa_free_all_structures_after_ipa_cp.
956         (free_all_ipa_structures_after_iinln): Renamed to
957         ipa_free_all_structures_after_iinln.g
958         (ipa_write_param_call_note): Removed.
959         (ipa_read_param_call_note): Removed.
960         (ipa_write_indirect_edge_info): New function.
961         (ipa_read_indirect_edge_info): Likewise.
962         (ipa_write_node_info): Do not stream notes, do stream information
963         in indirect edges.
964         (ipa_read_node_info): Likewise.
965         (lto_ipa_fixup_call_notes): Removed.
966         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
967         * ipa-inline.c (pass_ipa_inline): Likewise.
968         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
969         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
970         * tree-inline.c (copy_bb): Removed an unnecessary double check for
971         is_gimple_call.
972         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
973         edges.
974         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
975         (output_cgraph): Stream also indirect edges.
976         (lto_output_edge): Added capability to stream indirect edges.
977         (input_edge): Likewise.
978         (input_cgraph_1): Likewise.
979         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
980         of indirect edges.
981
982 2010-04-28  Richard Guenther  <rguenther@suse.de>
983
984         PR tree-optimization/43879
985         PR tree-optimization/43909
986         * tree-ssa-structalias.c (struct variable_info): Add
987         only_restrict_pointers flag.
988         (new_var_info): Initialize it.  Increment stats.total_vars here.
989         (create_function_info_for): Do not increment stats.total_vars
990         here.
991         (get_function_part_constraint): Fix build with C++.
992         (insert_into_field_list): Remove.
993         (push_fields_onto_fieldstack): Properly merge fields.
994         (create_variable_info_for): Split and simplify.
995         (create_variable_info_for_1): New piece.
996         (intra_create_variable_infos): Properly make restrict constraints
997         from parameters.
998
999 2010-04-28  Richard Guenther  <rguenther@suse.de>
1000
1001         PR c++/43880
1002         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
1003
1004 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1005             Jan Hubicka <hubicka@ucw.cz>
1006
1007         * doc/invoke.texi (-Wsuggest-attribute=const,
1008         -Wsuggest-attribute=pure): Document.
1009         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
1010         (function_always_visible_to_compiler_p,
1011         suggest_attribute, warn_function_pure, warn_function_const):
1012         New functions.
1013         (check_call): Improve debug info.
1014         (analyze_function): Do not check availability.
1015         (add_new_function): Check availability.
1016         (propagate): Output warnings.
1017         (skip_function_for_local_pure_const): New function.
1018         (local_pure_const): Use it; output warnings.
1019         * common.opt (Wsuggest-attribute=const,
1020         Wsuggest-attribute=pure): New.
1021
1022 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1023
1024         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
1025         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
1026         or DW_CFA_def_cfa_offset{,_sf}.
1027
1028 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1029
1030         * tree.h: Fix truncated long macros.
1031
1032 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
1033
1034         * collect2.c (TARGET_64BIT): Redefine to target's default.
1035         * tlink.c: Likewise.
1036         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
1037         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
1038         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
1039         for underscoring __USER_LABEL_PREFIX__.
1040         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
1041         (SUB_LINK_ENTRY32): New.
1042         (SUB_LINK_ENTRY64): New.
1043         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
1044         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
1045         (SUB_LINK_ENTRY64): New.
1046         (SUB_LINK_ENTRY): New.
1047         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
1048         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
1049         x64 target is choosen.
1050         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
1051         * configure: Regenerated.
1052         * configure.ac (leading-mingw64-underscores): Option added.
1053
1054 2010-04-27  Jan Hubicka  <jh@suse.cz>
1055
1056         * doc/invoke.texi (-fipa-profile): Document.
1057         * opts.c (decode_options): Enable ipa-profile at -O1.
1058         * timevar.def (TV_IPA_PROFILE): Define.
1059         * common.opt (fipa-profile): Add.
1060         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
1061         flag for clones.
1062         (cgraph_propagate_frequency): Handle only local ones.
1063         * tree-pass.h (pass_ipa_profile): Declare.
1064         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
1065         (pass_ipa_profile): Use TV_IPA_PROFILE.
1066         * ipa.c (ipa_profile): New function.
1067         (gate_ipa_profile): Likewise.
1068         (pass_ipa_profile): New global variable.
1069         * passes.c (pass_ipa_profile): New.
1070
1071 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
1072
1073         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
1074
1075 2010-04-27  Martin Jambor  <mjambor@suse.cz>
1076
1077         PR middle-end/43812
1078         * ipa.c (dissolve_same_comdat_group_list): New function.
1079         (function_and_variable_visibility): Call
1080         dissolve_same_comdat_group_list when comdat group contains external or
1081         newly local nodes.
1082         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
1083         lists are circular and that they contain only DECL_ONE_ONLY nodes.
1084
1085 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
1086
1087         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
1088         (const_hash_1) <VECTOR_CST>: New case.
1089         (compare_constant) <VECTOR_CST>: Likewise.
1090         <ADDR_EXPR>: Deal with LABEL_REFs.
1091         (copy_constant) <VECTOR_CST>: New case.
1092
1093 2010-04-27  Jan Hubicka  <jh@suse.cz>
1094
1095         * cgraph.c (cgraph_propagate_frequency): New function.
1096         * cgraph.h (cgraph_propagate_frequency): Declare.
1097         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
1098         cgraph_propagate_frequency.
1099
1100 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
1101
1102         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
1103
1104 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
1105
1106         PR target/40657
1107         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
1108         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
1109         here to determine which regs to push and how much stack to reserve.
1110
1111 2010-04-27  Jie Zhang  <jie@codesourcery.com>
1112
1113         * doc/gimple.texi (gimple_statement_with_ops): Remove
1114         addresses_taken field.
1115         (gimple_statement_with_memory_ops): Likewise.
1116
1117 2010-04-27  Jan Hubicka  <jh@suse.cz>
1118
1119         * tree-inline.c (eni_inlining_weights): Remove.
1120         (estimate_num_insns): Special case more builtins.
1121
1122 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
1123
1124         PR c/32207
1125         * c-typeck.c (build_binary_op): Move forward check for comparison
1126         pointer with null pointer constant and adjust the diagnostic message.
1127
1128 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
1129
1130         PR lto/42776
1131         * configure.ac (gcc_cv_as_section_has_align): Set if installed
1132         binutils supports extended .section directive needed by LTO, or
1133         warn if older binutils found.
1134         (LTO_BINARY_READER): New AC_SUBST'd variable.
1135         (LTO_USE_LIBELF): Likewise.
1136         * gcc/config.gcc (lto_binary_reader): New target-specific configure
1137         variable.
1138         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
1139         (LTO_USE_LIBELF): Likewise.
1140         * configure: Regenerate.
1141
1142         * collect2.c (is_elf): Rename from this ...
1143         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
1144          object files in addition to ELF-formatted ones.
1145         (scan_prog_file): Caller updated.  Also allow for LTO info marker
1146         symbol to be prefixed or not by an extra underscore.
1147
1148         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1149         * config/i386/winnt.c: Also #include lto-streamer.h
1150         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1151         LTO named sections.
1152         (i386_pe_asm_output_aligned_decl_common): Add comment.
1153         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1154
1155 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1156
1157         PR target/43889
1158         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1159         Add missing earlyclobber for second alternative.
1160
1161 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1162
1163         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1164         bits for artificial defs at the top of the block.
1165         * fwprop.c (single_def_use_enter_block): Don't call it.
1166
1167 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1168
1169         PR 43715
1170         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1171         instead of "$gcc_cv_objdump -T".
1172         Use "-undefined dynamic_lookup" on darwin.
1173         * gcc/configure: Regenerate.
1174
1175 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1176
1177         PR c/43893
1178         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1179
1180 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1181
1182         * c-parser.c (struct c_token): Move location field up.
1183         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1184         (struct c_declspecs): Convert typespec_word, storage_class, and
1185         default_int_p into bitfields.
1186         (struct c_declarator): Move loc field up.
1187
1188 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1189
1190         * cfgloop.h (struct loop): Move can_be_parallel field up.
1191         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1192         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1193         down.
1194         (struct iv_cand): Convert pos field into a bitfield.
1195         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1196         field up.
1197         (struct _stmt_vec_info): Shuffle fields for better packing.
1198
1199 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1200
1201         * varasm.c (IN_NAMED_SECTION): Remove guard.
1202         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1203         (IN_NAMED_SECTION_P): ...this.
1204         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1205         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1206
1207 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1208
1209         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1210         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1211         of shadowing it.  Fix comments.
1212
1213 2010-04-26  Jan Hubicka  <jh@suse.cz>
1214
1215         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1216         (cgraph_clone_node): Copy function frequency.
1217         * cgraph.h (node_frequency): New enum
1218         (struct cgraph_node): Add.
1219         * final.c (rest_of_clean_state): Update.
1220         * lto-cgraph.c (lto_output_node): Output node frequency.
1221         (input_overwrite_node): Input node frequency.
1222         * tre-ssa-loop-ivopts (computation_cost): Update.
1223         * lto-streamer-out.c (output_function): Do not output function
1224         frequency.
1225         * predict.c (maybe_hot_frequency_p): Update and handle functions
1226         executed once.
1227         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1228         attribute lookup.
1229         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1230         (compute_function_frequency): Set noreturn functions to be executed
1231         once.
1232         (choose_function_section): Update.
1233         * lto-streamer-in.c (input_function): Do not input function frequency.
1234         * function.c (allocate_struct_function): Do not initialize function
1235         frequency.
1236         * function.h (function_frequency): Remove.
1237         (struct function): Remove function frequency.
1238         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1239         (try_update): Update.
1240         * tree-inline.c (initialize_cfun): Do not update function frequency.
1241         * passes.c (pass_init_dump_file): Update.
1242         * i386.c (ix86_compute_frame_layout): Update.
1243         (ix86_pad_returns): Update.
1244
1245 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1246
1247         PR tree-optimization/43833
1248         * tree-vrp.c (range_int_cst_p): New.
1249         (range_int_cst_singleton_p): New.
1250         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1251         when both operands are constants.  Use range_int_cst_p in
1252         BIT_IOR_EXPR case.
1253
1254 2010-04-26  Jan Hubicka  <jh@suse.cz>
1255
1256         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1257
1258 2010-04-26  Richard Guenther  <rguenther@suse.de>
1259
1260         PR lto/43080
1261         * gimple.c (gimple_decl_printable_name): Deal gracefully
1262         with a NULL DECL_NAME.
1263
1264 2010-04-26  Richard Guenther  <rguenther@suse.de>
1265
1266         PR lto/42425
1267         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1268         if emitting debug information and it is either a function
1269         or a namespace decl.
1270
1271 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1272
1273         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1274         determine if the statement is vectorizable, and a macro to access it.
1275         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1276         Skip statements that can't be vectorized. If the analysis fails,
1277         mark the statement as unvectorizable if vectorizing basic block.
1278         (vect_compute_data_refs_alignment): Likewise.
1279         (vect_verify_datarefs_alignment): Skip statements marked as
1280         unvectorizable. Add print.
1281         (vect_analyze_group_access): Skip statements that can't be
1282         vectorized. If the analysis fails, mark the statement as
1283         unvectorizable if vectorizing basic block.
1284         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1285         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1286         generated stmts for SLP.
1287         (new_stmt_vec_info): Initialize the new field.
1288         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1289         statements marked as unvectorizable.
1290
1291 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1292
1293         * c-common.c (flag_isoc1x): New.
1294         (flag_isoc99): Update comment.
1295         * c-common.h (flag_isoc1x): New.
1296         (flag_isoc99): Update comment.
1297         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1298         __<type>_DECIMAL_DIG__.
1299         * c-opts.c (set_std_c1x): New.
1300         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1301         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1302         * c.opt (-std=c1x, -std=gnu1x): New options.
1303         * doc/cpp.texi: Mention -std=c1x.
1304         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1305         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1306         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1307         * doc/standards.texi: Mention C1X.
1308         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1309         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1310         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1311         Define for C1X.
1312
1313 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1314
1315         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1316         placeholder from 0x%x to %#x.
1317         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1318         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1319         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1320         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1321         * config/i386/i386.c (ix86_target_string): Ditto.
1322         (output_pic_addr_const): Ditto.
1323         (print_operand): Ditto.
1324
1325 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1326
1327         * combine.c (find_split_point): Add third argument.  Use it
1328         to find nested multiply-accumulate instructions.  Adjust calls.
1329         (try_combine): Adjust call to find_split_point.
1330
1331 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1332
1333         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1334
1335 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1336
1337         PR tree-optimization/41442
1338         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1339         (fold_binary_loc): Call it.
1340
1341 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1342
1343         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1344         * opts.c (common_handle_option): Allow disabling it.
1345         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1346
1347 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1348
1349         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1350         between modes if both types are integral.
1351
1352 2010-04-23  Richard Guenther  <rguenther@suse.de>
1353
1354         PR tree-optimization/43572
1355         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1356
1357 2010-04-23  Richard Guenther  <rguenther@suse.de>
1358
1359         PR lto/43455
1360         * tree-inline.c (tree_can_inline_p): Also check compatibility
1361         of return types.
1362
1363 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1364
1365         PR tree-optimization/43846
1366         * tree-sra.c (struct access): New flag grp_assignment_read.
1367         (build_accesses_from_assign): Set grp_assignment_read.
1368         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1369         (enum mark_read_status): New type.
1370         (analyze_access_subtree): Propagate grp_assignment_read, create
1371         accesses also if both direct_read and root->grp_assignment_read.
1372
1373 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1374
1375         PR middle-end/43835
1376         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1377         function does not have type attributes.
1378
1379 2010-04-23  Richard Guenther  <rguenther@suse.de>
1380
1381         PR lto/42653
1382         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1383         of FUNCTION_DECLs.
1384
1385 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1386
1387         * sese.h (create_if_region_on_edge): Remove.
1388
1389         * sese.c (create_if_region_on_edge): Make static.
1390
1391         * tree-inline.c: Do not include ggc.h.
1392
1393         * expr.c: Do not include ggc.h.
1394
1395         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1396         dependencies.
1397
1398 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1399
1400         PR target/43744
1401         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1402         in the middle of insns for casesi_worker_2.
1403
1404 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1405
1406         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1407
1408 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1409
1410         PR tree-optimization/43842
1411         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1412         loop unrolling in update of exit phis. Fix comment.
1413         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1414         least two reduction statements in the loop before starting SLP
1415         analysis.
1416
1417 2010-04-22  Nick Clifton  <nickc@redhat.com>
1418
1419         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1420
1421 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1422
1423         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1424         to simplify a + ~a.
1425
1426 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1427
1428         * tree-parloops.c (loop_parallel_p): New argument
1429         parloop_obstack.  Pass it down.
1430         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1431         pass it down, free it.
1432
1433         * tree-loop-linear.c (linear_transform_loops): Pass down
1434         lambda_obstack.
1435
1436         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1437         of type struct obstack *.
1438
1439         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1440         scratch_obstack.  Initialize it, pass down, free it.
1441
1442         * lambda.h (lambda_loop_new): Remove.
1443         (lambda_matrix_new, lambda_matrix_inverse)
1444         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1445         argument of type struct obstack *.
1446
1447         * lambda-trans.c (lambda_trans_matrix_new): New argument
1448         lambda_obstack.  Pass it down, use obstack allocation for ret.
1449         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1450         it down.
1451
1452         * lambda-mat.c (lambda_matrix_get_column)
1453         (lambda_matrix_project_to_null): Remove.
1454         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1455         allocation for mat.
1456         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1457         lambda_obstack.
1458
1459         * lambda-code.c (lambda_loop_new): New function.
1460         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1461         (lambda_compute_auxillary_space, lambda_compute_target_space)
1462         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1463         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1464         (build_access_matrix): New argument lambda_obstack.  Use obstack
1465         allocation for am.
1466         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1467         argument lambda_obstack.  Pass it down.
1468
1469 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1470
1471         * optabs.h (expand_widening_mult): Declare.
1472
1473 2010-04-22  Richard Guenther  <rguenther@suse.de>
1474
1475         PR tree-optimization/43845
1476         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1477         lookup the CALL_EXPR function and arguments.
1478
1479 2010-04-22  Nick Clifton  <nickc@redhat.com>
1480
1481         * config/stormy16/stormy16.c
1482         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1483         * config/stormy16/stormy16.h: Tidy up formatting.
1484         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1485         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1486         (ineqbranchsi): Delete pattern.
1487         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1488         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1489         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1490         stormy16-lib2-ucmpsi2.c.
1491
1492 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1493
1494         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1495         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1496         extra set merge_set_noclobber, and use it to relax the final test
1497         slightly.
1498         * df.h (df_simulate_find_noclobber_defs): Declare.
1499         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1500         conditional defs.
1501         (df_simulate_find_noclobber_defs): New function.
1502
1503 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1504
1505         * config/i386/i386.md: Use {} around multi-line preparation statements.
1506
1507 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1508
1509         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1510         (process_init_element): New argument of type struct obstack *.
1511
1512         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1513         (set_init_index, set_init_label, set_nonincremental_init)
1514         (set_nonincremental_init_from_string, find_init_member)
1515         (output_init_element, output_pending_init_elements)
1516         (process_init_element): New argument braced_init_obstack.  Pass it
1517         down.
1518         (push_range_stack, add_pending_init): New argument
1519         braced_init_obstack.  Use obstack allocation.
1520
1521         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1522         braced_init_obstack.  Pass it down.
1523         (c_parser_braced_init): New variables ret, braced_init_obstack.
1524         Initialize obstack, pass it down and finally free it.
1525
1526 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1527
1528         PR middle-end/29274
1529         * tree-pass.h (pass_optimize_widening_mul): Declare.
1530         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1531         gate_optimize_widening_mul): New static functions.
1532         (pass_optimize_widening_mul): New.
1533         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1534         <case MULT_EXPR>: Remove support for widening multiplies.
1535         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1536         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1537         simplify_gen_unary rather than directly building extensions.
1538         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1539         WIDEN_MULT_EXPR.
1540         * expmed.c (expand_widening_mult): New function.
1541         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1542
1543 2010-04-21  Jan Hubicka  <jh@suse.cz>
1544
1545         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1546         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1547         * lto-wpa-fixup.c: Remove.
1548         * Makefile.in (lto-wpa-fixup.o): Remove.
1549         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1550         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1551         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1552
1553 2010-04-21  Jan Hubicka  <jh@suse.cz>
1554
1555         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1556         add write_optimization_summary, read_optimization_summary.
1557         (ipa_write_summaries_of_cgraph_node_set): Remove.
1558         (ipa_write_optimization_summaries): Declare.
1559         (ipa_read_optimization_summaries): Declare.
1560         * ipa-cp.c (pass_ipa_cp): Update.
1561         * ipa-reference.c (pass_ipa_reference): Update.
1562         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1563         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1564         Update.
1565         * ipa-inline.c (pass_ipa_inline): Update.
1566         * ipa.c (pass_ipa_whole_program): Update.
1567         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1568         * passes.c (ipa_write_summaries_1): Do not test wpa.
1569         (ipa_write_optimization_summaries_1): New.
1570         (ipa_write_optimization_summaries): New.
1571         (ipa_read_summaries): Do not test ltrans.
1572         (ipa_read_optimization_summaries_1): New.
1573         (ipa_read_optimization_summaries): New.
1574
1575 2010-04-21  Jan Hubicka  <jh@suse.cz>
1576
1577         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1578         for boundary nodes.
1579         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1580
1581 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1582
1583         PR debug/40040
1584         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1585         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1586
1587 2010-04-21  Jan Hubicka  <jh@suse.cz>
1588
1589         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1590
1591 2010-04-21  Jan Hubicka  <jh@suse.cz>
1592
1593         * varpool.c (decide_is_variable_needed): Variable is always needed
1594         during ltrans.
1595
1596 2010-04-21  Jan Hubicka  <jh@suse.cz>
1597
1598         * opts.c (decode_options): Enable pure-const pass for whopr.
1599
1600 2010-04-21  Jan Hubicka  <jh@suse.cz>
1601
1602         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1603         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1604         at WPA dumping.
1605         (cgraph_decide_inlining): Do not expect callee to be removed in all
1606         cases.
1607
1608 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1609
1610         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1611
1612 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1613
1614         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1615         amdfam10_decode attributes.
1616
1617 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1618
1619         PR middle-end/43570
1620         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1621         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1622         (lower_copyprivate_clauses): Use private var in outer
1623         context instead of original var.  Make sure the types
1624         are correct for VLAs.
1625
1626 2010-04-21  Richard Guenther  <rguenther@suse.de>
1627
1628         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1629         to non-pointer objects.
1630
1631 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1632
1633         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1634         last chain entry if it starts with the still current label.
1635         (add_location_or_const_value_attribute): Check that
1636         loc_list->first->next is NULL instead of comparing ->first with ->last.
1637         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1638         to add_var_loc_to_decl.
1639
1640         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1641         >= 4 add also address size and segment size fields into CIE header.
1642
1643         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1644         long as address size is the same as sizeof (void *) and
1645         segment size is 0.
1646         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1647         address size or segment size is unexpected, return DW_EH_PE_omit.
1648         (classify_object_over_fdes): If get_cie_encoding returned
1649         DW_EH_PE_omit, return -1.
1650         (init_object): If classify_object_over_fdes returned -1,
1651         pretend there were no FDEs at all.
1652
1653 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1654
1655         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1656         bswap{si,di}2 using SWI48 mode iterator.
1657         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1658         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1659         set modrm attribute of bswap insn to 0 and remove length attribute.
1660         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1661         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1662         set mode attribute to <MODE> and remove length attribute.
1663
1664 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1665
1666         PR rtl-optimization/43520
1667         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1668         zero available registers.
1669
1670 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1671
1672         * builtins.c (fold_builtin_cproj): Fold more cases.
1673
1674 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1675
1676         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1677         (fold_builtin_1): Fold builtin cproj.
1678         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1679         Use ATTR_CONST_NOTHROW_LIST.
1680
1681 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1682
1683         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1684         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1685         ffsi2_no_cmove for !TARGET_CMOVE.
1686         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1687         (ffssi2): Remove expander.
1688         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1689         mode iterator.
1690         (ctz<mode>2): Ditto from ctz{si,di}2.
1691         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1692         mode iterator.
1693         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1694         mode iterator.
1695
1696 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1697
1698         * dwarf2out.c (AT_linkage_name): Define.
1699         (clone_as_declaration): Handle DW_AT_linkage_name.
1700         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1701         of DW_AT_MIPS_linkage_name.
1702         (move_linkage_attr): Likewise.
1703         (dwarf2out_finish): Likewise.
1704
1705 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1706
1707         PR middle-end/41952
1708         * fold-const.c (fold_comparison): New folding rule.
1709
1710 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1711
1712         * double-int.h (double_int_setbit): Declare.
1713         * double-int.c (double_int_setbit): New function.
1714         * rtl.h (immed_double_int_const): Declare.
1715         * emit-rtl.c (immed_double_int_const): New function.
1716         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1717         and immed_double_int_const functions.
1718         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1719         expand_copysign_bit):  (Ditto.).
1720         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1721         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1722         * dojump.c (prefer_and_bit_test): (Ditto.).
1723         * expr.c (convert_modes, reduce_to_bit_field_precision,
1724         const_vector_from_tree): (Ditto.).
1725         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1726
1727 2010-04-20  Jan Hubicka  <jh@suse.cz>
1728
1729         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1730         (dump_cgraph_node): Dump new flags.
1731         * cgraph.h (struct cgraph_node): Add flags
1732         reachable_from_other_partition and in_other_partition.
1733         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1734         other partition can not be removed.
1735         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1736         the other partition must be output; silence sanity checking on
1737         leaking functions bodies from other paritition.
1738         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1739         (lto_output_node): Output new flags; do not sanity check that inline
1740         clones are output; drop lto_forced_extern_inline_p code; do not mock
1741         visibility flags at partition boundaries.
1742         (add_node_to): New function.
1743         (output_cgraph): Use it to sort functions so masters appear before
1744         clones.
1745         (input_overwrite_node): Input new flags.
1746         * passes.c (ipa_write_summaries): Do not call
1747         lto_new_extern_inline_states.
1748         * lto-section-out.c (forced_extern_inline,
1749         lto_new_extern_inline_states lto_delete_extern_inline_states,
1750         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1751         * lto-streamer.h (lto_new_extern_inline_states,
1752         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1753         lto_forced_extern_inline_p): Kill.
1754
1755 2010-04-20  Richard Guenther  <rguenther@suse.de>
1756
1757         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1758         from vars that can have pointers.
1759         (process_constraint): Dump useless constraints.
1760
1761 2010-04-20  Richard Guenther  <rguenther@suse.de>
1762
1763         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1764         (dump_sa_points_to_info): Remove asserts.
1765         (init_base_vars): nothing_id isn't an escape point nor does it
1766         have pointers.
1767
1768 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1769
1770         * tree.h (TYPE_REF_IS_RVALUE): Define.
1771         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1772         should_move_die_to_comdat, prune_unused_types_walk): Handle
1773         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1774         (modified_type_die, gen_reference_type_die): Emit
1775         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1776         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1777
1778 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1779
1780         PR target/43635
1781         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1782         calls for -fpic -m31 if they have been sibcall optimized.
1783
1784 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1785
1786         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1787         ar.lc fixed and call-used.
1788
1789         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1790
1791 2010-04-19  Jan Hubicka  <jh@suse.cz>
1792
1793         * opts.c (decode_options): Disable whpr incompatible passes.
1794         * lto/lto.c (lto_1_to_1_map): Skip clones.
1795         (read_cgraph_and_symbols): Do not mark everything as needed.
1796         (do_whole_program_analysis): Do map only after optimizing;
1797         set proper cgraph_state; use passmanager.
1798
1799 2010-04-19  DJ Delorie  <dj@redhat.com>
1800
1801         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1802         POINTER_PLUS_EXPR and fix them.
1803
1804 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1805
1806         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1807         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1808         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1809         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1810         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1811         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1812         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1813         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1814         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1815         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1816         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1817
1818 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1819
1820         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1821         (check_cond_move_block): Likewise.
1822         (cond_move_process_if_block): Likewise.
1823         (noce_find_if_block): Improve formatting.
1824         (find_if_header): Pass 0 to memset and tweak conditions.
1825         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1826
1827 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1828
1829         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1830         for -gdwarf-4.
1831
1832         PR middle-end/43337
1833         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1834         with non-local decl doesn't need chain.
1835
1836 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1837
1838         * ira-color.c (allocno_reload_assign): Avoid accumulating
1839         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1840
1841 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1842
1843         * gimple.h (create_tmp_reg): Declare.
1844         * gimplify.c (create_tmp_reg): New function.
1845         (gimplify_return_expr): Use create_tmp_reg.
1846         (gimplify_omp_atomic): Likewise.
1847         (gimple_regimplify_operands): Likewise.
1848         * tree-dfa.c (make_rename_temp): Likewise.
1849         * tree-predcom.c (predcom_tmp_var): Likewise.
1850         (reassociate_to_the_same_stmt): Likewise.
1851         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1852         (get_replaced_param_substitute): Likewise.
1853         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1854         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1855         * tree-ssa-pre.c (get_representative_for): Likewise.
1856         (create_expression_by_pieces): Likewise.
1857         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1858         (create_tailcall_accumulator): Likewise.
1859
1860 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1861
1862         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1863         new_stmt.
1864         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1865
1866 2010-04-19  Richard Guenther  <rguenther@suse.de>
1867
1868         PR tree-optimization/43796
1869         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1870         from SCEV in the lattice.
1871         (vrp_visit_phi_node): Dump change.
1872
1873 2010-04-19  Richard Guenther  <rguenther@suse.de>
1874
1875         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1876         * configure: Re-generated.
1877
1878 2010-04-19  Richard Guenther  <rguenther@suse.de>
1879
1880         PR tree-optimization/43783
1881         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1882         constant ARRAY_REF operands two and three if possible.
1883
1884 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1885
1886         PR target/43766
1887         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1888
1889 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1890
1891         PR target/43662
1892         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1893
1894 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1895
1896         PR tree-optimization/37027
1897         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1898         and macro to access it.
1899         (vectorizable_reduction): Add argument.
1900         (vect_get_slp_defs): Likewise.
1901         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1902         statements for possible use in SLP.
1903         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1904         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1905         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1906         add new argument.
1907         (vectorizable_reduction): Likewise.
1908         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1909         vect_get_slp_defs.
1910         (vectorizable_type_demotion, vectorizable_type_promotion,
1911         vectorizable_store): Likewise.
1912         (vect_analyze_stmt): Update call to vectorizable_reduction.
1913         (vect_transform_stmt): Likewise.
1914         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1915         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1916         from different interleaving chains in same node.
1917         (vect_slp_rearrange_stmts): New function.
1918         (vect_supported_load_permutation_p): Allow load permutations for
1919         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1920         inside SLP nodes if necessary.
1921         (vect_analyze_slp_instance): Handle reductions.
1922         (vect_analyze_slp): Try to build SLP instances originating from groups
1923         of reductions.
1924         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1925         (vect_get_constant_vectors): Create initial vectors for reductions
1926         according to reduction code. Add new argument.
1927         (vect_get_slp_defs): Add new argument, pass it to
1928         vect_get_constant_vectors.
1929         (vect_schedule_slp_instance): Remove SLP tree root statements.
1930
1931 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1932
1933         * tree.h (ENUM_IS_SCOPED): Define.
1934         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1935         for ENUM_IS_SCOPED enums.
1936
1937 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1938
1939         * fold-const.c (fold_comparison): Use ssizetype.
1940         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1941         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1942         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1943         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1944
1945         * tree.h (initialize_sizetypes): Remove parameter.
1946         (build_common_tree_nodes): Remove second parameter.
1947         * stor-layout.c (initialize_sizetypes): Remove parameter.
1948         Always create an unsigned type.
1949         (set_sizetype): Assert that the passed type is unsigned and simplify.
1950         * tree.c (build_common_tree_nodes): Remove second parameter.
1951         Adjust call to initialize_sizetypes.
1952         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1953         build_common_tree_nodes.
1954
1955 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1956
1957         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1958
1959 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1960
1961         PR tree-optimization/43771
1962         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1963         load permutation doesn't have gaps.
1964
1965 2010-04-18  Jan Hubicka  <jh@suse.cz>
1966
1967         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1968         (sse_prologue_save_insn expander): Use new pattern.
1969         (sse_prologue_save_insn1): New pattern and splitter.
1970         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1971         blocks.
1972         * i386.c (setup_incoming_varargs_64): Do not compute jump
1973         destination here.
1974         (ix86_gimplify_va_arg): Update alignment needed.
1975         (ix86_local_alignment): Do not align all local arrays to 128bit.
1976
1977 2010-04-17  Jan Hubicka  <jh@suse.cz>
1978
1979         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1980
1981 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1982
1983         * arm.md (negdi2): Remove redundant code to force values into a
1984         register.
1985
1986 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1987
1988         * arm/bpabi.S: Add EABI alignment attributes to objects.
1989         * arm/bpabi-v6m.S: Likewise.
1990         * arm/crti.asm: Likewise.
1991         * arm/crtn.asm: Likewise.
1992         * arm/lib1funcs.asm: Likewise.
1993         * arm/libunwind.S: Likewise.
1994
1995 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1996
1997         * arm-protos.h (tune_params): New structure.
1998         * arm.c (current_tune): New variable.
1999         (arm_constant_limit): Delete.
2000         (struct processors): Add pointer to the tune parameters.
2001         (arm_slowmul_tune): New tuning option.
2002         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
2003         (all_cores): Adjust to pick up the tuning model.
2004         (arm_constant_limit): New function.
2005         (arm_override_options): Select the appropriate tuning model.  Delete
2006         initialization of arm_const_limit.
2007         (arm_split_constant): Use the new constant-limit model.
2008         (arm_rtx_costs): Pick up the current tuning model.
2009         * arm.md (is_strongarm, is_xscale): Delete.
2010         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
2011         for Xscale variant architectures.
2012         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
2013
2014 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
2015
2016         * config/arm/arm.c (arm_gen_constant): Remove unused variable
2017         can_shift.
2018         (arm_rtx_costs_1): Remove unused variable extra_cost.
2019         (arm_unwind_emit_set): Use variable offset.
2020         (thumb1_output_casesi): Remove unused variable flags.
2021
2022 2010-04-16  Jeff Law  <law@redhat.com>
2023
2024         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
2025         needing assignment rather than doing a two-phase assignment.  Remove
2026         unused variable 'm'.
2027
2028 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2029
2030         PR bootstrap/43767
2031         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
2032
2033 2010-04-16  Doug Kwan  <dougkwan@google.com>
2034
2035         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
2036         (next_operand_entry_id): New static variable.
2037         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
2038         (add_to_ops_vec): Assigned unique ID to operand entry.
2039         (struct oecount_s): New field ID.
2040         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
2041         (undistribute_ops_list): Assign unique IDs to oecounts.
2042         (init_reassoc): reset next_operand_entry_id.
2043
2044 2010-04-16  Doug Kwan  <dougkwan@google.com>
2045
2046         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
2047         missing left parenthesis.
2048
2049 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
2050
2051         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
2052         *btdi_rex64 using SWI48 mode iterator.
2053         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
2054         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
2055         *jcc_btdi_mask_rex64.
2056
2057 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
2058
2059         * double-int.h (tree_to_double_int): Convert to macro.
2060         * double-int.c (tree_to_double_int): Remove.
2061
2062 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2063
2064         PR debug/43762
2065         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
2066         with want_address 2 and in case a single element list might be
2067         possible, call it again with want_address 0.
2068
2069 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2070
2071         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
2072         case 'W' print operands for HI mode.
2073         * config/h8300/h8300.h (Y0, Y2) : New constraints.
2074         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
2075         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
2076         * config/h8300/predicate.md (bit_register_indirect_operand): New.
2077
2078         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
2079
2080         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
2081         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
2082         #xx:3 and #xx:4 mode.
2083
2084         * config/h8300/h8300.md (inverted load with HImode dest): Add
2085         support for H8300SX.
2086
2087         * config/h8300/predicate.md (bit_operand): Allow immediate values that
2088         satisfy 'U' constraint.
2089
2090 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2091
2092         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
2093         * configure: Regenerate.
2094         * config.in: Regenerate.
2095         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
2096         works.
2097
2098 2010-04-16  Richard Guenther  <rguenther@suse.de>
2099
2100         * tree.h (struct tree_decl_minimal): Move pt_uid ...
2101         (struct tree_decl_common): ... here.
2102         (DECL_PT_UID): Adjust.
2103         (SET_DECL_PT_UID): Likewise.
2104         (DECL_PT_UID_SET_P): Likewise.
2105
2106 2010-04-16  Richard Guenther  <rguenther@suse.de>
2107
2108         PR tree-optimization/43572
2109         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
2110         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
2111         * tree-flow.h (is_call_clobbered): Remove.
2112         * tree-flow-inline.h (is_call_clobbered): Likewise.
2113         * tree-dfa.c (dump_variable): Do not dump call clobber state.
2114         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
2115         (execute_return_slot_opt): Adjust.
2116         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
2117         check for call clobbered vars here.
2118         (find_tail_calls): Move tailcall verification to the
2119         proper place.
2120
2121 2010-04-16  Diego Novillo  <dnovillo@google.com>
2122
2123         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
2124
2125 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2126
2127         PR target/40603
2128         * config/arm/arm.md (cbranchqi4): New pattern.
2129         * config/arm/predicates.md (const0_operand,
2130         cbranchqi4_comparison_operator): New predicates.
2131
2132 2010-04-16  Richard Guenther  <rguenther@suse.de>
2133
2134         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
2135         (dump_gimple_stmt): Likewise.
2136
2137 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
2138
2139         * recog.h (struct recog_data): New field is_operator.
2140         (struct insn_operand_data): New field is_operator.
2141         * recog.c (extract_insn): Set recog_data.is_operator.
2142         * genoutput.c (output_operand_data): Emit code to set the
2143         is_operator field.
2144         * reload.c (find_reloads): Use it rather than testing for an
2145         empty constraint string.
2146
2147         PR target/41514
2148         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2149         If the previous insn is a cbranchsi4_insn with the same arguments,
2150         omit the compare instruction.
2151
2152         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2153         register, inputs must be low registers and we need a low register
2154         scratch.  Handle alternative 2 like alternative 3.
2155
2156 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2157
2158         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2159         don't call get_addr on both.  If one expression is a VALUE and
2160         the other a REG, check VALUE's locs if the REG isn't among them.
2161
2162 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2163
2164         * config/sh/sh.h (sh_frame_pointer_required): New function.
2165         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2166         (flag_omit_frame_pointer) Set.
2167         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2168         (rounded_frame_size): Adjust size with outgoing_args_size.
2169         (sh_set_return_address): Must return from stack pointer.
2170         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2171         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2172         (ACCUMULATE_OUTGOING_ARGS): Define.
2173         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2174         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2175
2176 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2177
2178         PR target/43471
2179         * config/sh/sh.c (sh_legitimize_reload_address): Use
2180         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2181         Remove a unneeded check for offset_base.
2182
2183 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2184
2185         * configure: Regenerated.
2186
2187 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2188
2189         * config/s390/s390.c (s390_call_save_register_used): Switch back
2190         to HARD_REGNO_NREGS.
2191
2192 2010-04-15  Richard Guenther  <rguenther@suse.de>
2193
2194         * alias.c (alias_set_subset_of): Handle alias-set zero
2195         child properly.
2196
2197 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2198             Julian Brown  <julian@codesourcery.com>
2199
2200         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2201         alternatives according to use of high and low regs.
2202         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2203         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2204         optimizing for size on Thumb-2.
2205
2206 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2207
2208         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2209
2210 2010-04-15  Richard Guenther  <rguenther@suse.de>
2211
2212         * tree-ssa-structalias.c (struct variable_info): Add
2213         is_fn_info flag.
2214         (new_var_info): Initialize it.
2215         (dump_constraints): Support printing last added constraints.
2216         (debug_constraints): Adjust.
2217         (dump_constraint_graph): Likewise.
2218         (make_heapvar_for): Check for NULL cfun.
2219         (get_function_part_constraint): New function.
2220         (get_fi_for_callee): Likewise.
2221         (find_func_aliases): Properly implement IPA PTA constraints.
2222         (process_ipa_clobber): New function.
2223         (find_func_clobbers): Likewise.
2224         (insert_into_field_list_sorted): Remove.
2225         (create_function_info_for): Properly allocate vars for IPA mode.
2226         Do not use insert_into_field_list_sorted.
2227         (create_variable_info_for): Properly generate constraints for
2228         global vars in IPA mode.
2229         (dump_solution_for_var): Always dump the solution.
2230         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2231         (find_what_var_points_to): Adjust.
2232         (pt_solution_set): Change.
2233         (pt_solution_ior_into): New function.
2234         (pt_solution_empty_p): Export.
2235         (pt_solution_includes_global): Adjust.
2236         (pt_solution_includes_1): Likewise.
2237         (pt_solutions_intersect_1): Likewise.
2238         (dump_sa_points_to_info): Check some invariants.
2239         (solve_constraints): Move constraint dumping ...
2240         (compute_points_to_sets): ... here.
2241         (ipa_pta_execute): ... and here.
2242         (compute_may_aliases): Do not re-compute points-to info
2243         locally if IPA info is available.
2244         (ipa_escaped_pt): New global var.
2245         (ipa_pta_execute): Properly implement IPA PTA.
2246         * tree-into-ssa.c (dump_decl_set): Support dumping
2247         decls not in referenced-vars.
2248         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2249         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2250         (dump_points_to_solution): Likewise.
2251         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2252         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2253         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2254         (copy_decl_to_var): Copy DECL_PT_UID.
2255         (copy_result_decl_to_var): Likewise.
2256         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2257         (copy_node_stat): Copy it.
2258         * tree.h (DECL_PT_UID): New macro.
2259         (SET_DECL_PT_UID): Likewise.
2260         (DECL_PT_UID_SET_P): Likewise.
2261         (struct tree_decl_minimal): Add pt_uid member.
2262         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2263         (pt_solution_empty_p): Declare.
2264         (pt_solution_set): Adjust.
2265         (ipa_escaped_pt): Declare.
2266         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2267         * gimple-pretty-print.c (pp_points_to_solution): New function.
2268         (dump_gimple_call): Dump call clobber/use information.
2269         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2270         * tree-pass.h (TDF_ALIAS): New dump option.
2271         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2272         * doc/invoke.texi (-fipa-pta): Update documentation.
2273
2274 2010-04-15  Richard Guenther  <rguenther@suse.de>
2275
2276         * Makefile.in (OBJS-common): Add gimple-fold.o.
2277         (gimple-fold.o): New rule.
2278         * tree.h (maybe_fold_offset_to_reference,
2279         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2280         prototypes ...
2281         * gimple.h: ... here.
2282         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2283         may_propagate_address_into_dereference): Move prototypes ...
2284         * gimple.h: ... here.
2285         * tree-ssa-ccp.c (get_symbol_constant_value,
2286         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2287         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2288         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2289         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2290         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2291         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2292         gimplify_and_update_call_from_tree): Move ...
2293         * gimple-fold.c: ... here.  New file.
2294         (ccp_fold_builtin): Rename to ...
2295         (gimple_fold_builtin): ... this.
2296         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2297
2298 2010-04-15  Richard Guenther  <rguenther@suse.de>
2299
2300         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2301         fit_double_type, force_fit_type_double, add_double_with_sign,
2302         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2303         lrotate_double, rrotate_double, div_and_round_double): Move ...
2304         * double-int.c: ... here.
2305         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2306         add_double, neg_double, mul_double_with_sign, mul_double,
2307         lshift_double, rshift_double, lrotate_double, rrotate_double,
2308         div_and_round_double): Move prototypes ...
2309         * double-int.h: ... here.
2310
2311 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2312
2313         PR target/43742
2314         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2315         matching constraints to ensure inputs match the output.
2316
2317 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2318
2319         PR target/43742
2320         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2321         in an input-only operand.
2322
2323 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2324
2325         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2326         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2327         (double_int_negative_p): Convert to static inline function.
2328         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2329         (double_int_negative_p): Remove.
2330         * tree.h (lshift_double, rshift_double):
2331         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2332         * fold-const.c (fold_convert_const_int_from_real,
2333         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2334         (lshift_double): Change type of arith argument to bool.
2335         (rshift_double): Change type of arith argument to bool. Correct
2336         comment.
2337         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2338
2339 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2340
2341         PR target/21803
2342         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2343         at the start and end of the then/else blocks, and omit them from the
2344         conversion.
2345         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2346         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2347         (flow_find_head_matching_sequence): New function.
2348         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2349         * basic-block.h (flow_find_cross_jump,
2350         flow_find_head_matching_sequence): Declare functions.
2351
2352 2010-04-14  Jason Merrill  <jason@redhat.com>
2353
2354         PR c++/36625
2355         * c-common.c (attribute_takes_identifier_p): New fn.
2356         * c-common.h: Declare it.
2357
2358 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2359
2360         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2361         splitter condition.
2362         (*udivmod<mode>4): Ditto.
2363
2364 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2365
2366         * config/i386/i386.md (maxmin_int): Rename code attribute from
2367         maxminiprefix and update all users.
2368         (maxmin_float): Ditto from maxminfprefix.
2369         (logic): Ditto from logicprefix.
2370         (absneg_mnemonic): Ditto from absnegprefix.
2371         * config/i386/mmx.md: Update all users of maxminiprefix,
2372         maxminfprefix and logicprefix for rename.
2373         * config/i386/sse.md: Ditto.
2374         * config/i386/sync.md (sync_<code><mode>): Update for
2375         logicprefix rename.
2376
2377 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2378
2379         PR 42966
2380         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2381         warnings converted to errors.
2382
2383 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2384
2385         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2386         used insn_type variable.
2387         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2388         to avoid set-but-not-used warning.
2389
2390 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2391
2392         * df-core.c (df_ref_debug): Change format string placeholder
2393         from 0x%x to %#x.
2394         * dwarf2asm.c (dw2_asm_output_data_raw,
2395         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2396         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2397         * dwarf2out.c (output_cfi, output_cfi_directive,
2398         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2399         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2400         Ditto.
2401         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2402         * print-rtl.c (print_rtx): Ditto.
2403
2404 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2405
2406         PR middle-end/42694
2407         * builtins.c (expand_builtin_pow_root): New function to expand pow
2408         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2409         series of sqrt and cbrt calls under -ffast-math.
2410         (expand_builtin_pow): Call it.
2411
2412 2010-04-14  Michael Matz  <matz@suse.de>
2413
2414         PR tree-optimization/42963
2415         * tree-cfg.c (touched_switch_bbs): New static variable.
2416         (group_case_labels_stmt): New function broken out from ...
2417         (group_case_labels): ... here, use the above.
2418         (start_recording_case_labels): Allocate touched_switch_bbs.
2419         (end_recording_case_labels): Deallocate it, call
2420         group_case_labels_stmt.
2421         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2422
2423 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2424
2425         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2426         from insn template.
2427
2428 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2429
2430         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2431
2432 2010-04-13  Jan Hubicka  <jh@suse.cz>
2433
2434         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2435         of optimized out static functions.
2436         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2437         cost computation.  Also sanity check for overflows.
2438         (update_caller_keys): Update cgraph_edge_badness call; properly
2439         update fibheap and sanity check that it is up to date.
2440         (add_new_edges_to_heap): Update cgraph_edge_badness.
2441         (cgraph_decide_inlining_of_small_function): Likewise;
2442         add sanity checking that badness in heap is up to date;
2443         improve dumping of reason; Update badness of calls to the
2444         offline copy of function currently inlined; dump badness
2445         of functions not inlined because of unit growth limits.
2446
2447 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2448
2449         PR middle-end/32628
2450         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2451         because of sign-extension change when converting to sizetype here...
2452         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2453
2454         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2455         the folding to constants.  Remove redundant final conversion.
2456         (fold_binary) <associate>: Do not associate if the re-association of
2457         constants alone overflows.
2458         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2459         to the end of the list.
2460         (multiple_of_p) <COND_EXPR>: New case.
2461
2462 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2463
2464         * opt-functions.awk (opt_sanitized_name): New.
2465         (opt_enum): New.
2466         * optc-gen.awk: Use it
2467         * opth-gen.awk: Use it.
2468
2469 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2470
2471         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2472         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2473         children.  Call replace_uses_with_default_def_ssa_name to handle
2474         SSA_NAES on lhs.
2475
2476 2010-04-13  Michael Matz  <matz@suse.de>
2477
2478         PR middle-end/43730
2479         * builtins.c (expand_builtin_interclass_mathfn): Also create
2480         a register if the predicate doesn't match.
2481
2482 2010-04-13  Diego Novillo  <dnovillo@google.com>
2483
2484         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2485         * c-pch.c: Include timevar.h.
2486         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2487         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2488         * ggc-common.c: Include timevar.h.
2489         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2490         * timevar.def (TV_PCH_SAVE): Define.
2491         (TV_PCH_CPP_SAVE): Define.
2492         (TV_PCH_PTR_REALLOC): Define.
2493         (TV_PCH_PTR_SORT): Define.
2494         (TV_PCH_RESTORE): Define.
2495         (TV_PCH_CPP_RESTORE): Define.
2496
2497 2010-04-13  Michael Matz  <matz@suse.de>
2498
2499         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2500         into MINUS_EXPRs.
2501         (can_reassociate_p): New function.
2502         (break_up_subtract_bb, reassociate_bb): Use it.
2503
2504 2010-04-13  Richard Guenther  <rguenther@suse.de>
2505
2506         PR bootstrap/43737
2507         * builtins.c (c_readstr): Fix assert.
2508
2509 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2510
2511         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2512         when generating cltd insn.
2513
2514         (*ashl<mode>3_1): Remove special handling for register operand 2.
2515         (*ashlsi3_1_zext): Ditto.
2516         (*ashlhi3_1): Ditto.
2517         (*ashlhi3_1_lea): Ditto.
2518         (*ashlqi3_1): Ditto.
2519         (*ashlqi3_1_lea): Ditto.
2520         (*<shiftrt_insn><mode>3_1): Ditto.
2521         (*<shiftrt_insn>si3_1_zext): Ditto.
2522         (*<shiftrt_insn>qi3_1_slp): Ditto.
2523         (*<rotate_insn><mode>3_1): Ditto.
2524         (*<rotate_insn>si3_1_zext): Ditto.
2525         (*<rotate_insn>qi3_1_slp): Ditto.
2526
2527 2010-04-13  Richard Guenther  <rguenther@suse.de>
2528
2529         * tree-ssa-structalias.c (callused_id): Remove.
2530         (call_stmt_vars): New.
2531         (get_call_vi): Likewise.
2532         (lookup_call_use_vi): Likewise.
2533         (lookup_call_clobber_vi): Likewise.
2534         (get_call_use_vi): Likewise.
2535         (get_call_clobber_vi): Likewise.
2536         (make_transitive_closure_constraints): Likewise.
2537         (handle_const_call): Adjust to do per-call call-used handling.
2538         (handle_pure_call): Likewise.
2539         (find_what_var_points_to): Remove general callused handling.
2540         (init_base_vars): Likewise.
2541         (init_alias_vars): Initialize call_stmt_vars.
2542         (compute_points_to_sets): Process call-used and call-clobbered
2543         vars for call statements.
2544         (delete_points_to_sets): Free call_stmt_vars.
2545
2546 2010-04-13  Richard Guenther  <rguenther@suse.de>
2547
2548         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2549         Only add RW dependence for dependence distance zero.
2550         Adjust maximal vectorization factor according to dependences.
2551         Move alignment handling ...
2552         (vect_find_same_alignment_drs): ... here.  New function.
2553         (vect_analyze_data_ref_dependences): Adjust.
2554         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2555         (vect_analyze_data_refs): Adjust minimal vectorization factor
2556         according to data references.
2557         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2558         dependences before determining the vectorization factor.
2559         Analyze alignment after determining the vectorization factor.
2560         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2561         dependences before alignment.
2562         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2563         Adjust prototype.
2564         (vect_analyze_data_refs): Likewise.
2565         (MAX_VECTORIZATION_FACTOR): New define.
2566
2567 2010-04-13  Duncan Sands  <baldrick@free.fr>
2568
2569         * except.h (lang_eh_type_covers): Remove.
2570         * except.c (lang_eh_type_covers): Likewise.
2571
2572 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2573             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2574
2575         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2576         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2577         UNITS_PER_LONG where it is ABI relevant.
2578         (s390_return_addr_rtx): Likewise.
2579         (s390_back_chain_rtx): Likewise.
2580         (s390_frame_area): Likewise.
2581         (s390_frame_info): Likewise.
2582         (s390_initial_elimination_offset): Likewise.
2583         (save_gprs): Likewise.
2584         (s390_emit_prologue): Likewise.
2585         (s390_emit_epilogue): Likewise.
2586         (s390_function_arg_advance): Likewise.
2587         (s390_function_arg): Likewise.
2588         (s390_va_start): Likewise.
2589         (s390_gimplify_va_arg): Likewise.
2590         (s390_function_profiler): Likewise.
2591         (s390_optimize_prologue): Likewise.
2592         (s390_rtx_costs): Likewise.
2593         (s390_secondary_reload): Likewise.
2594         (s390_promote_function_mode): Likewise.
2595         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2596         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2597         registers available.
2598         (s390_unwind_word_mode): New function.
2599         (s390_function_value): Split 64 bit values into register pair if
2600         used as return value.
2601         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2602         function call parameters.  Handle parallels.
2603         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2604         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2605         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2606         (s390_expand_setmem): Remove unused variable src_addr.
2607         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2608         deal with 64 bit registers.
2609         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2610         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2611         (UNITS_PER_LONG): New macro.
2612         * libjava/include/s390-signal.h: Define extended ucontext
2613         structure containing the upper halfs of the 64 bit registers.
2614
2615 2010-04-13  Simon Baldwin  <simonb@google.com>
2616
2617         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2618
2619 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2620
2621         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2622         rvalue on the RHS if the LHS is of a non-renamable type.
2623         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2624
2625 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2626
2627         * gcc.c (cc1_options): Handle -iplugindir before processing
2628         the cc1 spec. Only add -iplugindir once.
2629         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2630         found.
2631         * common.opt (iplugindir): Remove `Separate' property, initialize.
2632         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2633         option.
2634         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2635         (distclean): Remove plugin dir.
2636         * doc/invoke.texi: Document -iplugindir.
2637
2638 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2639
2640         * doc/plugins.texi (Loading Plugins): Document short
2641         -fplugin=foo option.
2642         (Plugin API): Mention default_plugin_dir_name function.
2643
2644         * gcc.c (find_file_spec_function): Add new declaration.
2645         (static_spec_func): Use it for "find-file".
2646         (find_file_spec_function): Add new function.
2647         (cc1_options): Add -iplugindir option if -fplugin* options found.
2648
2649         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2650
2651         * plugin.c (add_new_plugin): Updated comment, and handle short
2652         plugin name.
2653         (default_plugin_dir_name): Added new function.
2654
2655         * common.opt (iplugindir): New option to set the plugin directory.
2656
2657 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2658
2659         * config/i386/i386.md (any_rotate): New code iterator.
2660         (rotate_insn): New code attribute.
2661         (rotate): Ditto.
2662         (SWIM124): New mode iterator.
2663         (<rotate_insn>ti3): New expander.
2664         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2665         any_rotate code iterator.
2666         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2667         using any_rotate code iterator and SWIM124 mode iterator.
2668         (ix86_rotlti3): New insn_and_split pattern.
2669         (ix86_rotrti3): Ditto.
2670         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2671         ix86_rotl{di,ti}3 patterns.
2672         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2673         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2674         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2675         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2676         code iterator and SWI mode iterator.
2677         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2678         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2679         code iterator.
2680         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2681         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2682         (bswap rotatert splitter): Add splitter.
2683         (bswap splitter): Macroize splitter using any_rotate code iterator.
2684         Add insn predicate to split only for TARGET_USE_XCHGB or when
2685         optimizing function for size.
2686
2687 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2688
2689         * config/pa/pa.c (emit_move_sequence): Remove use of
2690         deleted variable flag_argument_noalias.
2691
2692 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2693
2694         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2695         configurations.
2696         Add to unsupported targets list.
2697         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2698         sparc*-sun-solaris2.[567]* from target lists.
2699         * configure: Regenerate.
2700         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2701         removal.
2702         Remove Solaris 7 patch references.
2703         (Specific, sparc-sun-solaris2.7): Removed.
2704         (sparc-sun-solaris2*): Update Solaris 7 example.
2705         (sparc64-*-solaris2*): Likewise.
2706
2707 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2708
2709         * config.build (alpha*-dec-osf4*): Remove.
2710         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2711         of obsolete configurations.
2712         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2713         support.
2714         * config/alpha/t-osf4: Renamed to ...
2715         * config/alpha/t-osf5: ... this.
2716         * config/alpha/osf.h: Renamed to ...
2717         * config/alpha/osf5.h: ... this.
2718         Merged old osf5.h contents.
2719         Update comments.
2720         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2721         (EXTRA_SPECS): Removed.
2722         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2723         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2724         Document that.
2725
2726 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2727
2728         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2729
2730 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2731
2732         PR/43702
2733         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2734         __thiscall convention.
2735
2736 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2737
2738         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2739         orig_base.
2740         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2741
2742 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2743
2744         * function.c (assign_parms_initialize_all): Add unused attribute
2745         to fntype.
2746
2747 2010-04-12  Richard Guenther  <rguenther@suse.de>
2748
2749         * gsstruct.def (GSS_CALL): New.
2750         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2751         * gimple.h: Include tree-ssa-alias.h.
2752         (struct gimple_statement_call): New.
2753         (union gimple_statement_struct_d): Add gimple_call member.
2754         (gimple_call_reset_alias_info): Declare.
2755         (gimple_call_use_set): New function.
2756         (gimple_call_clobber_set): Likewise.
2757         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2758         * gimple.c (gimple_call_reset_alias_info): New function.
2759         (gimple_build_call_1): Call it.
2760         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2761         * tree-inline.c (remap_gimple_stmt): Likewise.
2762         (expand_call_inline): Remove callused handling.
2763         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2764         * tree-dfa.c (dump_variable): Likewise.
2765         * tree-parloops.c (parallelize_loops): Likewise.
2766         * tree-ssa.c (init_tree_ssa): Likewise.
2767         (delete_tree_ssa): Likewise.
2768         * tree-flow-inline.h (is_call_used): Remove.
2769         * tree-flow.h (struct gimple_df): Remove callused member.
2770         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2771         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2772         (ref_maybe_used_by_call_p_1): Simplify.
2773         (call_may_clobber_ref_p_1): Likewise.
2774         * tree-ssa-structalias.c (compute_points_to_sets): Set
2775         the call stmt used and clobbered sets.
2776         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2777         (find_tail_calls): Verify the tail call.
2778
2779 2010-04-12  Richard Guenther  <rguenther@suse.de>
2780
2781         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2782         single-iteration always-inline inlining.
2783         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2784         (cgraph_decide_inlining): Do not handle always-inline specially.
2785         (try_inline): Remove always-inline cycle detection special case.
2786         Do not recurse on always-inlines.
2787         (cgraph_early_inlining): Do not iterate if not optimizing.
2788         (cgraph_gate_early_inlining): remove.
2789         (pass_early_inline): Run unconditionally.
2790         (gate_cgraph_decide_inlining): New function.
2791         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2792         not inlining or optimizing.
2793         (cgraph_decide_inlining_of_small_functions): Also consider
2794         always-inline functions.
2795         (cgraph_default_inline_p): Return true for nodes which should
2796         disregard inline limits.
2797         (estimate_function_body_sizes): Assume zero size and time for
2798         nodes which are marked as disregarding inline limits.
2799         (cgraph_decide_recursive_inlining): Do not perform recursive
2800         inlining on always-inline nodes.
2801
2802 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2803
2804         PR bootstrap/43699
2805         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2806         for exprs satisfying handled_component_p.
2807
2808 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2809
2810         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2811         non-constant aggregate elements.
2812
2813         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2814         is a real initialization.
2815
2816 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2817
2818         PR c/36774
2819         * c-decl.c (start_function): Move forward check for nested function.
2820
2821 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2822
2823         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2824         * config/sh/sh.c: Include reload.h.
2825         (sh_legitimize_reload_address): New.
2826         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2827         sh_legitimize_reload_address.
2828
2829 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2830
2831         * config/sh/sh.md (*movqi_pop): New insn pattern.
2832         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2833
2834 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2835
2836         * config/i386/i386.md (any_shiftrt): New code iterator.
2837         (shiftrt_insn): New code attribute.
2838         (shiftrt): Ditto.
2839         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2840         using any_shiftrt code iterator.
2841         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2842         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2843         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2844         pattern from corresponding peephole2 patterns.
2845         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2846         using any_shiftrt code iterator.
2847         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2848         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2849         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2850         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2851         *{ashr,lshr}<mode>3_cmp_zext.
2852         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2853
2854 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2855
2856         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2857         scratch register.
2858         (*lshr<mode>3_cconly): Ditto.
2859
2860 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2861
2862         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2863         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2864         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2865         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2866         DWI mode iterator.
2867         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2868         from corresponding peephole2 patterns.
2869         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2870         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2871         and *lshrdi3_1_rex64 using SWI mode iterator.
2872         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2873         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2874         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2875         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2876         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2877         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2878         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2879         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2880         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2881         SWI mode iterator.
2882
2883 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2884
2885         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2886         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2887         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2888         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2889         DWI mode iterator.
2890         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2891         from corresponding peephole2 patterns.
2892         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2893         (ashrsi3_cvt): Rename from ashrsi3_31.
2894         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2895         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2896         and x86_64_shift_adj_3 using SWI48 mode iterator.
2897         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2898         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2899         and *ashrdi3_1_rex64 using SWI mode iterator.
2900         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2901         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2902         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2903         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2904         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2905         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2906         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2907         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2908         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2909         SWI mode iterator.
2910         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2911         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2912         x86_shift<mode>_adj_3 expanders.
2913
2914 2010-04-10  Wei Guozhi  <carrot@google.com>
2915
2916         PR target/42601
2917         * config/arm/arm.c (arm_pic_static_addr): New function.
2918         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2919         a static symbol.
2920         (arm_output_addr_const_extra): Output expression for new pattern.
2921         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2922
2923 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2924
2925         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2926         not enabled.
2927
2928         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2929         * web.c: Include "insn-config.h" and "recog.h".
2930         (union_match_dups): New function.
2931         (web_main): Call it.
2932         (union_defs): Don't try to recognize match_dups.
2933
2934         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2935         if doing so would replace the entire pattern.
2936
2937 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2938
2939         PR target/43707
2940         PR target/43709
2941         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2942         and splitter pattern.  Change splitter operand 1 predicate to
2943         nonmemory_operand.
2944
2945 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2946
2947         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2948         lattices are addresses of CONST_DECLs with the same initial value.
2949         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2950         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2951
2952 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2953             Bernd Schmidt  <bernds@codesourcery.com>
2954
2955         * loop-invariant.c (replace_uses): New static function.
2956         (move_invariant_reg): Use it to ensure we can replace the uses.
2957
2958 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2959
2960         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2961         function template.
2962         (picochip_override_options): Enable section anchors only above -O1.
2963         (picochip_reorg): Fixed a couple of build warnings.
2964
2965 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2966
2967         * configure.ac (plugin -rdynamic test): Log result.
2968         * configure: Regenerate.
2969         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2970         (RDYNAMIC_SPEC): Define.
2971         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2972
2973 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2974
2975         * configure.ac: Determine Sun ld version numbers.
2976         (comdat_group): Restrict GNU ld version checks to gld.
2977         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2978         (enable_comdat): Support --enable-comdat.
2979         * configure: Regenerate.
2980         * doc/install.texi (Configuration): Document --enable-comdat.
2981
2982 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2983
2984         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2985         * config/sol2-gld.h: ... here.
2986         * config.gcc (sparc*-*-solaris2*): Reflect this.
2987         (i[34567]86-*-solaris2*): Use it.
2988
2989 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2990
2991         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2992         setup_clocks_p.
2993         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2994
2995 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2996
2997         PR 42965
2998         * diagnostic.c (diagnostic_initialize): Initialize
2999         some_warnings_are_errors.
3000         (diagnostic_finish): New.
3001         (diagnostic_action_after_output): Call it before exiting.
3002         (diagnostic_report_diagnostic): Do not print message here. Set
3003         some_warnings_are_errors.
3004         * diagnostic.h (diagnostic_context): Delete
3005         issue_warnings_are_errors_message. Add some_warnings_are_errors.
3006         (diagnostic_finish): Declare.
3007         * toplev.c (toplev_main): Call it before exit.
3008
3009 2010-04-09  Jason Merrill  <jason@redhat.com>
3010
3011         PR c++/42623
3012         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
3013         for incomplete type.
3014
3015         PR c++/41788
3016         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
3017         based on a warning flag.
3018
3019 2010-04-09  Richard Guenther  <rguenther@suse.de>
3020
3021         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
3022
3023 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
3024
3025         PR bootstrap/43684
3026         * varasm.c (default_assemble_visibility): Wrap vars that are
3027         set, but unused, by targets without GAS.
3028         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
3029         Remove set, but unused, vars.
3030         (rs6000_legitimize_tls_address): Likewise.
3031         (altivec_expand_dst_builtin): Likewise.
3032         * config/darwin.c (machopic_classify_symbol): Likewise.
3033         (machopic_indirection_name): Likewise.
3034
3035 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
3036
3037         * config/i386/i386.md (DWI): New mode iterator.
3038         (S): New mode attribute.
3039         (shift_operand): Ditto.
3040         (shift_immediate_operand): Ditto.
3041         (ashl_input_operand): Ditto.
3042         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
3043         using SDWIM mode iterator.
3044         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
3045         pattern from *ashl{di,ti}3_1 and corresponding splitters using
3046         DWI mode iterator.
3047         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
3048         from corresponding peephole2 patterns.
3049         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
3050         and x86_64_shift_adj_1 using SWI48 mode iterator.
3051         (x86_shift<mode>_adj_2): Ditto.
3052         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
3053         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
3054         using SWI48 mode iterator.
3055         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
3056         *ashldi3_cmp_rex64 using SWI mode iterator.
3057         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
3058         *ashldi3_cconly_rex64 using SWI mode iterator.
3059         * config/i386/i386.c (ix86_split_ashl): Update for renamed
3060         x86_shift<mode>_adj_{1,2}.
3061         (ix86_split_ashr): Ditto.
3062         (ix86_split_lshr): Ditto.
3063
3064 2010-04-09  Richard Guenther  <rguenther@suse.de>
3065
3066         * target.h (builtin_conversion): Pass in input and output types.
3067         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
3068         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
3069         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
3070         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
3071
3072         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
3073         Handle AVX modes.
3074         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
3075
3076 2010-04-09  Richard Guenther  <rguenther@suse.de>
3077
3078         PR target/43152
3079         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
3080
3081 2010-04-09  Richard Guenther  <rguenther@suse.de>
3082
3083         * tree-vectorizer.h (struct _stmt_vec_info): Document
3084         that vectype is the type of the LHS.
3085         (supportable_widening_operation, supportable_narrowing_operation):
3086         Get both input and output vector types as arguments.
3087         (vect_is_simple_use_1): Declare.
3088         (get_same_sized_vectype): Likewise.
3089         * tree-vect-loop.c (vect_determine_vectorization_factor):
3090         Set STMT_VINFO_VECTYPE to the vector type of the def.
3091         (vectorizable_reduction): Adjust.
3092         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
3093         Adjust.  Specify the output vector type.
3094         (vect_pattern_recog_1): Adjust.
3095         * tree-vect-stmts.c (get_same_sized_vectype): New function.
3096         (vectorizable_call): Adjust.
3097         (vectorizable_conversion): Likewise.
3098         (vectorizable_operation): Likewise.
3099         (vectorizable_type_demotion): Likewise.
3100         (vectorizable_type_promotion): Likewise.
3101         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
3102         the def.
3103         (vect_is_simple_use_1): New function.
3104         (supportable_widening_operation): Get both input and output
3105         vector types.
3106         (supportable_narrowing_operation): Likewise.
3107         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
3108
3109 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
3110
3111         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
3112         __thiscall and _thiscall as predefined macros.
3113         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
3114         thiscall attribute handling.
3115         (ix86_comp_type_attributes): Likewise.
3116         (ix86_function_regparm): Likewise.
3117         (ix86_return_pops_args): Likewise.
3118         (init_cumulative_args): Likewise.
3119         (find_drap_reg): Likewise.
3120         (ix86_static_chain): Likewise.
3121         (x86_this_parameter): Likewise.
3122         (x86_output_mi_thunk): Likewise.
3123         (ix86_attribute_table): Add description for thiscall attribute.
3124         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
3125         * doc/extend.texi: Add documentation for thiscall.
3126
3127 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3128
3129         PR c++/28584
3130         * c.opt (Wint-to-pointer-cast): Available in C++.
3131         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
3132
3133 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
3134
3135         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
3136         * calls.c (expand_call): Pass the function type to aggregate_value_p.
3137         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
3138         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
3139         function type instead.  Reorder and simplify checks.
3140
3141         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
3142
3143 2010-04-08  Jing Yu  <jingyu@google.com>
3144             Zdenek Dvorak  <ook@ucw.cz>
3145
3146         PR tree-optimization/42720
3147         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3148         loop unswitch conditions here from ...
3149         (tree_unswitch_single_loop): ... here.
3150
3151 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3152
3153         * tree-if-conv.c: Fix comments and simplify logic.
3154
3155 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3156
3157         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3158         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
3159         (main_tree_if_conversion): Update call to tree_if_conversion.
3160
3161 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3162
3163         PR 42485
3164         * doc/invoke.texi (-b,-V): Delete.
3165         * doc/tm.texi: Do not mention -b.
3166         * gcc.c (display_help): Delete -b and -V.
3167         (process_command): Delete -b and -V.
3168         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3169
3170 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
3171             Wolfgang Gellerich  <gellerich@de.ibm.com>
3172
3173         Implement target hook for loop unrolling
3174         * target.h (loop_unroll_adjust): Add a new target hook function.
3175         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3176         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3177         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3178         (s390_loop_unroll_adjust): Implement the new target hook for s390.
3179         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3180         target hook.
3181         (decide_unroll_stupid): Likewise.
3182
3183 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3184
3185         PR target/43643
3186         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3187
3188 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3189
3190         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3191         (Specific, *-*-solaris2*): Likewise.
3192         Don't prefer Sun as over GNU as.
3193
3194 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
3195
3196         * config/s390/s390.c (override_options): Adjust the z10
3197           defaults for max-unroll-times, max-completely-peeled-insns
3198           and max-completely-peel-times.
3199
3200 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3201
3202         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3203         instructions for z10.
3204         (s390_expand_setmem): Likewise.
3205         (s390_expand_cmpmem): Likewise.
3206
3207 2010-04-08  Richard Guenther  <rguenther@suse.de>
3208
3209         PR tree-optimization/43679
3210         * tree-ssa-pre.c (eliminate): Only propagate copies.
3211
3212 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3213
3214         PR bootstrap/43681
3215         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3216         set but not used variable warning.
3217
3218 2010-04-08  Wei Guozhi  <carrot@google.com>
3219
3220         PR target/41653
3221         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3222         (arm_size_rtx_costs): Call the new function when optimized for size.
3223
3224 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3225
3226         PR debug/43670
3227         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3228         op0 is not a MEM, just return NULL instead of assertion
3229         failure.
3230         (discover_nonconstant_array_refs): Don't walk debug stmts.
3231
3232 2010-04-08  Doug Kwan  <dougkwan@google.com>
3233
3234         * configure.ac: Recognize gold and do not use its version number
3235         to test ld features.
3236         * configure: Regenerate.
3237
3238 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
3239
3240         PR middle-end/40815
3241         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3242         (negate_value): Move code to push elements to broken_up_substracts ...
3243         (eliminate_plus_minus_pair): ... here.  Push operands that have no
3244         negative pair to plus_negates.
3245         (repropagate_negates, init_reassoc, fini_reassoc): Update.
3246
3247 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3248
3249         * doc/install.texi (Configuration): Move description of
3250         --enable-lto, --with-libelf*, --enable-gold from Java section to
3251         general section.
3252
3253         * doc/generic.texi (Working with declarations)
3254         (Function Properties, C and C++ Trees): Fix typos.
3255         * doc/sourcebuild.texi (Top Level): Likewise.
3256
3257 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3258
3259         PR c/18624
3260         * tree.h (DECL_READ_P): Define.
3261         (struct tree_decl_common): Add decl_read_flag.
3262         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3263         a set but not used warning.
3264         (merge_decls): Merge DECL_READ_P flag.
3265         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3266         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3267         * c-common.c (handle_used_attribute, handle_unused_attribute):
3268         Likewise.
3269         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3270         New prototypes.
3271         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3272         New functions.
3273         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3274         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3275         c_parser_binary_expression, c_parser_cast_expression,
3276         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3277         Call default_function_array_read_conversion instead of
3278         default_function_array_conversion where needed.
3279         (c_parser_unary_expression, c_parser_conditional_expression,
3280         c_parser_postfix_expression_after_primary, c_parser_initelt):
3281         Likewise.  Call mark_exp_read where needed.
3282         (c_parser_statement_after_labels, c_parser_asm_operands,
3283         c_parser_typeof_specifier, c_parser_sizeof_expression,
3284         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3285         where needed.
3286         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3287         New.
3288         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3289         (warn_unused_but_set_parameter): Default to warn_unused
3290         && extra_warnings.
3291         * doc/invoke.texi: Document -Wunused-but-set-variable and
3292         -Wunused-but-set-parameter.
3293
3294         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3295         used count variable.
3296         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3297         when operandN variables aren't used in the body of the expander
3298         or splitter.
3299         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3300         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3301         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3302         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3303         FOR_EACH_IMM_USE_ON_STMT): Likewise.
3304         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3305         * tree.c (PROCESS_ARG): Likewise.
3306
3307 2010-04-07  Simon Baldwin  <simonb@google.com>
3308
3309         * diagnostic.h (diagnostic_override_option_index): New macro to
3310         set a diagnostic's option_index.
3311         * c-tree.h (c_cpp_error): Add warning reason argument.
3312         * opts.c (_warning_as_error_callback): New.
3313         (register_warning_as_error_callback): Store callback for
3314         warnings enabled via enable_warning_as_error.
3315         (enable_warning_as_error): Call callback, minor code tidy.
3316         * opts.h (register_warning_as_error_callback): Declare.
3317         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3318         response to -Werror=.
3319         (c_common_init_options): Register warning_as_error_callback in opts.c.
3320         * common.opt: Add -Wno-cpp option.
3321         * c-common.c (struct reason_option_codes_t): Map cpp warning
3322         reason codes to gcc option indexes.
3323         * (c_option_controlling_cpp_error): New function, lookup the gcc
3324         option index for a cpp warning reason code.
3325         * (c_cpp_error): Add warning reason argument, call
3326         c_option_controlling_cpp_error for diagnostic_override_option_index.
3327         * doc/invoke.texi: Document -Wno-cpp.
3328
3329 2010-04-07  Richard Guenther  <rguenther@suse.de>
3330
3331         * ipa-reference.c (mark_load): Use get_base_address.
3332         (mark_store): Likewise.
3333
3334         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3335         inserting GIMPLE_NOPs into the IL.
3336         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3337         Explicitly strip handled components and indirect references.
3338
3339         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3340         folding address expressions.
3341         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3342         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3343         operand_equal_p to compare decls.
3344         (ptr_deref_may_alias_decl_p): Likewise.
3345         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3346         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3347         Handle reversed comparison ops.
3348         * tree-sra.c (asm_visit_addr): Use get_base_address.
3349         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3350         * ipa-reference.c (mark_address): Use get_base_address.
3351
3352 2010-04-07  Richard Guenther  <rguenther@suse.de>
3353
3354         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3355         Propagate constants everywhere.
3356
3357 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3358
3359         PR debug/43516
3360         * tree.c (MAX_INT_CACHED_PREC): Define.
3361         (nonstandard_integer_type_cache): New array.
3362         (build_nonstandard_integer_type): Cache results for precision
3363         <= MAX_INT_CACHED_PREC.
3364
3365 2010-04-07  Richard Guenther  <rguenther@suse.de>
3366
3367         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3368         -fargument-noalias-global, -fargument-noalias-anything): Remove.
3369         * common.opt: Likewise.
3370         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3371         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3372         (nonoverlapping_memrefs_p): Likewise.
3373         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3374         * opts.c (common_handle_option): Handle OPT_fargument_alias,
3375         OPT_fargument_noalias, OPT_fargument_noalias_anything and
3376         OPT_fargument_noalias_global for backward compatibility.
3377
3378 2010-04-07  Richard Guenther  <rguenther@suse.de>
3379
3380         PR tree-optimization/43270
3381         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3382         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3383         * tree-ssa-pre.c (phi_translate_1): Adjust.
3384         (fully_constant_expression): Split out vn_reference handling to ...
3385         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3386         Fold reads from constant strings.
3387         (vn_reference_lookup): Handle fully constant references.
3388         (vn_reference_lookup_pieces): Likewise.
3389         * Makefile.in (expmed.o-warn): Add -Wno-error.
3390
3391 2010-04-07  Martin Jambor  <mjambor@suse.cz>
3392
3393         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3394
3395 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
3396
3397         PR driver/41594
3398         * gcc.c: Add -static-libstdc++ to list of recognized options.
3399
3400 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3401
3402         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3403
3404 2010-04-07  Richard Guenther  <rguenther@suse.de>
3405
3406         PR middle-end/42617
3407         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3408         bases build simple mem attributes to retain points-to information.
3409
3410 2010-04-07  Richard Guenther  <rguenther@suse.de>
3411
3412         PR middle-end/42617
3413         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3414         preserve points-to related information.
3415
3416 2010-04-07  Richard Guenther  <rguenther@suse.de>
3417
3418         PR middle-end/42617
3419         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3420         discard plain indirect references.
3421         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3422         * tree.c (tree_nop_conversion): Likewise.
3423
3424 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
3425
3426         PR debug/43628
3427         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3428
3429 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
3430
3431         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3432         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3433
3434 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3435
3436         * tree-if-conv.c: Fix indentation and comments.
3437
3438 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3439
3440         * tree-if-conv.c: Sort static functions in topological order.
3441
3442 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3443
3444         * tree-if-conv.c: Fix indentation and comments.
3445
3446 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3447
3448         PR middle-end/43519
3449         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3450         lang_hooks.types.type_for_size instead of
3451         build_nonstandard_integer_type.
3452         When converting an unsigned type to signed, double its precision.
3453         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3454         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3455         (graphite_create_new_loop_guard): When ub + 1 wraps around,
3456         use lb <= ub.
3457
3458 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3459
3460         PR middle-end/43519
3461         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3462         POINTER_PLUS_EXPR for pointer types.
3463
3464 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3465
3466         PR middle-end/43519
3467         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3468         * graphite-clast-to-gimple.c: Include langhooks.h.
3469         (max_signed_precision_type): New.
3470         (max_precision_type): Takes two types as arguments.
3471         (precision_for_value): New.
3472         (precision_for_interval): New.
3473         (gcc_type_for_interval): New.
3474         (gcc_type_for_value): New.
3475         (gcc_type_for_clast_term): New.
3476         (gcc_type_for_clast_red): New.
3477         (gcc_type_for_clast_bin): New.
3478         (gcc_type_for_clast_expr): Split up into several functions.
3479         (gcc_type_for_clast_eq): Rewritten.
3480         (compute_bounds_for_level): New.
3481         (compute_type_for_level_1): New.
3482         (compute_type_for_level): New.
3483         (gcc_type_for_cloog_iv): Removed.
3484         (gcc_type_for_iv_of_clast_loop): Rewritten.
3485         (graphite_create_new_loop): Compute the lower and upper bound types
3486         with gcc_type_for_clast_expr.
3487         (graphite_create_new_loop_guard): Same.
3488         (find_cloog_iv_in_expr): Removed.
3489         (compute_cloog_iv_types_1): Removed.
3490         (compute_cloog_iv_types): Removed.
3491         (gloog): Do not call compute_cloog_iv_types.
3492         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3493         GBB_CLOOG_IV_TYPES.
3494         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3495         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3496         (GBB_CLOOG_IV_TYPES): Removed.
3497
3498 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3499
3500         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3501         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3502         (detect_commutative_reduction): Same.
3503
3504 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3505
3506         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3507         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
3508         argument.
3509         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3510         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3511         (rewrite_commutative_reductions_out_of_ssa): Same.
3512         * passes.c (execute_function_todo): Call verify_ssa for every pass
3513         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
3514         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3515         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3516         with an extra argument.
3517         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
3518         verify_ssa only when the extra argument is true.
3519         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3520         with an extra argument.
3521         (tree_transform_and_unroll_loop): Same.
3522
3523 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3524
3525         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3526         for all the passes of the LNO having LOOP_CLOSED_SSA.
3527         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3528         * tree-loop-distribution.c (pass_loop_distribution): Same.
3529         * tree-pass.h (TODO_verify_loops): Removed.
3530         * tree-ssa-loop.c (pass_tree_loop_init): Same.
3531         (pass_lim): Same.
3532         (pass_tree_unswitch): Same.
3533         (pass_predcom): Same.
3534         (pass_vectorize): Same.
3535         (pass_linear_transform): Same.
3536         (pass_graphite_transforms): Same.
3537         (pass_iv_canon): Same.
3538         (pass_complete_unroll): Same.
3539         (pass_complete_unrolli): Same.
3540         (pass_parallelize_loops): Same.
3541         (pass_loop_prefetch): Same.
3542         (pass_iv_optimize): Same.
3543
3544 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
3545
3546         PR middle-end/32824
3547         * passes.c (init_optimization_passes): Move pass_lim before
3548         pass_copy_prop and pass_dce_loop.
3549
3550 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3551
3552         PR target/43667
3553         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3554         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3555         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3556         MULTI_* defines for 4 argument vpermil2p* builtins.
3557
3558 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3559
3560         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3561         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3562         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3563         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3564         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3565         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3566         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3567         Use x86_maybe_negate_const_int to output insn mnemonic.
3568         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3569         check from instruction predicate.  Update comments.
3570         * config/i386/sync.md (sync_add<mode>): Use
3571         x86_maybe_negate_const_int to output insn mnemonic.
3572
3573 2010-04-06  Jan Hubicka  <jh@suse.cz>
3574
3575         PR tree-optimization/42906
3576         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3577         IGNORE_SELF argument.  Set visited_control_parents for fully
3578         processed BBs.
3579         (find_obviously_necessary_stmts): Update call of
3580         mark_control_dependent_edges_necessary.
3581         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3582
3583 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3584
3585         * config/i386/i386.md: Remove comment about 'e' and 'E'
3586         operand modifier.
3587
3588 2010-04-06  Richard Guenther  <rguenther@suse.de>
3589
3590         PR tree-optimization/43627
3591         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3592         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3593         not varying.
3594
3595 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3596
3597         * BASE-VER: Change to 4.6.0.
3598
3599         PR target/43638
3600         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3601         handling.
3602
3603 2010-04-06  Richard Guenther  <rguenther@suse.de>
3604
3605         PR middle-end/43661
3606         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3607
3608 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3609
3610         * doc/invoke.texi (Optimize Options): Document that LTO
3611         won't remove object access purely due to incompatible
3612         declarations.
3613
3614 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3615
3616         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3617         Initialize variable.
3618
3619 2010-04-03  Richard Guenther  <rguenther@suse.de>
3620
3621         PR middle-end/42509
3622         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3623         require a non-NULL MEM_OFFSET.
3624
3625 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3626
3627         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3628         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3629         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3630         config/alpha/predicates.md, config/arm/arm.md,
3631         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3632         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3633         config/darwin9.h, config/darwin.c, config/darwin.h,
3634         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3635         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3636         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3637         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3638         config/mips/mips.md, config/mn10300/mn10300.c,
3639         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3640         config/rs6000/aix.h, config/rs6000/dfp.md,
3641         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3642         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3643         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3644         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3645         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3646         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3647         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3648         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3649         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3650         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3651         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3652         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3653         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3654         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3655         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3656         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3657         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3658         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3659         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3660         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3661         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3662         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3663         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3664         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3665         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3666         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3667         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3668         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3669         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3670         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3671         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3672         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3673         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3674         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3675         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3676         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3677
3678 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3679
3680         PR other/43620
3681         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3682         * aclocal.m4: Regenerate.
3683
3684 2010-04-02  Richard Guenther  <rguenther@suse.de>
3685
3686         PR tree-optimization/43629
3687         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3688         if we have seen a constant value.
3689
3690 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3691
3692         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3693
3694 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3695
3696         PR target/43469
3697         * arm.c (legitimize_tls_address): Adjust call to
3698         gen_tls_load_dot_plus_four.
3699         (arm_note_pic_base): New function.
3700         (arm_cannot_copy_insn_p): Use it.
3701         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3702         constraint.
3703
3704 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3705
3706         PR bootstrap/43531
3707
3708         Revert:
3709         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3710
3711         * Makefile.in ($(out_object_file)): Depend on
3712         gt-$(basename $(notdir $(out_file))).h.
3713
3714 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3715
3716         * config.gcc (lm32-*-rtems*): Add t-lm32.
3717
3718 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3719
3720         * config.gcc: Add lm32-*-rtems*.
3721         * config/lm32/rtems.h: New file.
3722
3723 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3724
3725         PR target/42609
3726         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3727
3728 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3729
3730         * dwarf2out.c (output_compilation_unit_header): For
3731         -gdwarf-4 use version 4 instead of version 3.
3732         (output_line_info): For version 4 and above emit additional
3733         maximum ops per insn header field.
3734         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3735
3736         * dwarf2out.c (is_c_family, is_java): Remove.
3737         (lower_bound_default): New function.
3738         (add_bound_info, gen_descr_array_type_die): Use it.
3739
3740 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3741
3742         PR debug/43325
3743         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3744         re-declaration when it happens in a function.
3745
3746 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3747
3748         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3749         (cgraph_remove_function_insertion_hook): Same.
3750         (cgraph_call_function_insertion_hooks): Same.
3751
3752 2010-04-01  Richard Guenther  <rguenther@suse.de>
3753
3754         PR middle-end/43614
3755         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3756         and TREE_THIS_VOLATILE.
3757         (copy_ref_info): Likewise.
3758         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3759         * tree.c (build6_stat): Ignore side-effects of all but arg5
3760         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3761         TARGET_MEM_REF.
3762
3763 2010-04-01  Richard Guenther  <rguenther@suse.de>
3764
3765         PR tree-optimization/43607
3766         * ipa-type-escape.c (check_call): Do not access non-existing
3767         arguments.
3768
3769 2010-04-01  Richard Guenther  <rguenther@suse.de>
3770
3771         PR middle-end/43602
3772         Revert
3773         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3774                     Jack Howarth <howarth@bromo.med.uc.edu>
3775
3776         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3777         variables TLS.
3778
3779 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3780
3781         * doc/install.texi (Prerequisites): Document libelf usability on
3782         IRIX 5/6 and Solaris 2.
3783         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3784         Update GNU as, GNU ld requirements.
3785         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3786         Document Sun Studio compiler download.
3787         Update and simplify as, ld recommendations.
3788         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3789
3790 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3791
3792         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3793         with_tune_32 to pentium4.
3794
3795 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3796
3797         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3798
3799 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3800
3801         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3802         obsoletion, removal.
3803         Update IDO URL.
3804         Document GNU as requirement.
3805         Update configure requirements.
3806         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3807         Recomment IRIX 6.5.18+.
3808         Document IDF/IDL requirement.
3809         Document GNU as requirement.
3810         Document GNU ld bootstrap failure.
3811         Remove freeware.sgi.com reference.
3812
3813 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3814
3815         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3816         UNIX V4.0, V5.0 obsoletion, removal.
3817         Remove --with-gc=simple reference.
3818         Update VM requirements during bootstrap.
3819         Remove -oldas bootstrap description.
3820         Update binutils reference.
3821         Remove comparison failure note.
3822
3823 2010-03-31  Richard Guenther  <rguenther@suse.de>
3824             Zdenek Dvorak  <ook@ucw.cz>
3825             Sebastian Pop  <sebastian.pop@amd.com>
3826
3827         PR middle-end/43464
3828         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3829         with multiple arguments.
3830         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3831
3832 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3833
3834         * graphite-dependences.c (print_pddr): Call print_pdr with an
3835         extra argument.
3836         * graphite-poly.c (debug_pdr): Add an extra argument for the
3837         verbosity level.
3838         (print_pdr): Same.
3839         (print_pbb_domain): Same.
3840         (print_pbb): Same.
3841         (print_scop_context): Same.
3842         (print_scop): Same.
3843         (print_cloog): Same.
3844         (debug_pbb_domain): Same.
3845         (debug_pbb): Same.
3846         (print_pdrs): Same.
3847         (debug_pdrs): Same.
3848         (debug_scop_context): Same.
3849         (debug_scop): Same.
3850         (debug_cloog): Same.
3851         (print_scop_params): Same.
3852         (debug_scop_params): Same.
3853         (print_iteration_domain): Same.
3854         (print_iteration_domains): Same.
3855         (debug_iteration_domain): Same.
3856         (debug_iteration_domains): Same.
3857         (print_scattering_function): Same.
3858         (print_scattering_functions): Same.
3859         (debug_scattering_function): Same.
3860         (debug_scattering_functions): Same.
3861         * graphite-poly.h (debug_pdr): Update declaration.
3862         (print_pdr): Same.
3863         (print_pbb_domain): Same.
3864         (print_pbb): Same.
3865         (print_scop_context): Same.
3866         (print_scop): Same.
3867         (print_cloog): Same.
3868         (debug_pbb_domain): Same.
3869         (debug_pbb): Same.
3870         (print_pdrs): Same.
3871         (debug_pdrs): Same.
3872         (debug_scop_context): Same.
3873         (debug_scop): Same.
3874         (debug_cloog): Same.
3875         (print_scop_params): Same.
3876         (debug_scop_params): Same.
3877         (print_iteration_domain): Same.
3878         (print_iteration_domains): Same.
3879         (debug_iteration_domain): Same.
3880         (debug_iteration_domains): Same.
3881         (print_scattering_function): Same.
3882         (print_scattering_functions): Same.
3883         (debug_scattering_function): Same.
3884         (debug_scattering_functions): Same.
3885
3886 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3887
3888         * graphite-poly.c (print_scattering_function_1): New.
3889         (print_scattering_function): Call it.
3890         (print_scop_params): Remove spaces at the end of lines.
3891         (print_cloog): New.
3892         (debug_cloog): New.
3893         * graphite-poly.h (print_cloog): Declared.
3894         (debug_cloog): Declared.
3895
3896 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3897
3898         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3899         in loop->header.
3900         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3901         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3902         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3903         to switch between adding the IV bump in loop->latch or in loop->header.
3904
3905 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3906
3907         * graphite-poly.c (print_scattering_function): Pretty print following
3908         the scoplib format.
3909         (print_pdr): Same.
3910         (print_pbb_domain): Same.
3911         (dump_gbb_cases): Same.
3912         (dump_gbb_conditions): Same.
3913         (print_pdrs): Same.
3914         (print_pbb): Same.
3915         (print_scop_params): Same.
3916         (print_scop_context): Same.
3917         (print_scop): Same.
3918         (print_pbb_body): New.
3919         (lst_indent_to): New.
3920         (print_lst): Start new lines with a #.
3921         * graphite-poly.h (pbb_bb): New.
3922         (pbb_index): Use pbb_bb.
3923         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3924         disjuncts.
3925         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3926
3927 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3928
3929         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3930         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3931         and 0 instead of 1 for dw_val_class_flag.
3932         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3933         dw_val_class_range_list, dw_val_class_loc_list,
3934         dw_val_class_lineptr and dw_val_class_macptr, use
3935         DW_FORM_flag_present for dw_val_class_flag and
3936         DW_FORM_exprloc for dw_val_class_loc.
3937         (output_die): For -gdwarf-4 print dw_val_class_loc
3938         size as uleb128 instead of 1 or 2 bytes and don't print
3939         anything for dw_val_class_flag.
3940
3941         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3942         instead of cselib_lookup following by tweaking locs->setting_insn.
3943
3944         PR bootstrap/43596
3945         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3946         even before returning from label, setjmp call or volatile asm
3947         handling.
3948
3949 2010-03-31  Richard Guenther  <rguenther@suse.de>
3950
3951         PR middle-end/43600
3952         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3953         temporary data on stack.
3954
3955 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3956
3957         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3958         (PUSHSECTION_ASM_OP): Remove.
3959         (POPSECTION_ASM_OP): Remove.
3960         (PUSHSECTION_FORMAT): Remove.
3961         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3962         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3963         * config/sol2.c (solaris_output_init_fini): Use it.
3964
3965 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3966
3967         PR 43574
3968         * opt-functions.awk (var_type_struct): Use signed char type
3969         for simple variables.
3970
3971 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3972
3973         * config/sol2.c: Include output.h.
3974         (solaris_assemble_visibility): New function.
3975         * config/t-sol2 (sol2.o): Add output.h dependency.
3976         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3977         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3978         Redefine.
3979
3980 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3981
3982         PR target/43580
3983         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3984         V2SImode or XFmode on PRE_DEC.
3985
3986         PR debug/43557
3987         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3988         BLKmode.
3989
3990 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3991
3992         PR 43562
3993         * reload.h (caller_save_initialized_p): Declare.
3994         * toplev.c (backend_init_target): Don't call