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* lto-cgraph.c (output_varpool): Forward declare; work on encoder.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-05  Jan Hubicka  <jh@suse.cz>
2
3         * lto-cgraph.c (output_varpool): Forward declare; work on encoder.
4         (lto_varpool_encoder_new, lto_varpool_encoder_delete, lto_varpool_encoder_encode
5         lto_varpool_encoder_lookup, lto_varpool_encoder_deref, lto_varpool_encoder_size,
6         lto_varpool_encoder_encode_initializer_p,
7         lto_set_varpool_encoder_encode_initializer): New functions.
8         (lto_output_cgraph): Take vset parameter too; compute varpool encoder;
9         call output_varpool.
10         (input_varpool_node): Do not always set analyzed.
11         (input_cgraph_1): Return vector of cgraph nodes.
12         (input_varpool_1): Return vector of varpools.
13         (input_cgraph): Free the vectors.
14         * lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
15         output only initializers needed.
16         (lto_output): Only call output_cgraph.
17         (produce_asm_for_decls): Call lto_varpool_encoder_delete.
18         * lto-section-out.c (lto_new_out_decl_state): Initialize
19         state->varpool_node_encoder.
20         * lto-streamer.h (lto_varpool_encoder_d): New.
21         (lto_out_decl_state, lto_file_decl_data): Add varpool_node_encoder.     
22         (lto_cgraph_encoder_delete, output_cgraph): Update prototype.
23         (lto_varpool_encoder_deref, lto_varpool_encoder_lookup,
24         lto_varpool_encoder_encode, lto_varpool_encoder_delete,
25         lto_varpool_encoder_encode_initializer_p, lto_varpool_encoder_new):
26         Declare.
27         (output_varpool, input_varpool): Remove declarations.
28
29 2010-05-05  Jan Hubicka  <jh@suse.cz>
30
31         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Alias of variable
32         with body can prevail.
33
34 2010-05-05  Jan Hubicka  <jh@suse.cz>
35
36         * lto-symtab.c (lto_symtab_merge_decls_1): Prefer declarations with
37         size.
38
39 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
40
41         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
42         dependencies.
43
44         * gengtype.h (erro_at_line): Constify pos argument.
45
46         * gengtype.c: Include hashtab.h.
47         (enum gc_used): Document GC_MAYBE_POINTED_TO.
48         (error_at_line): Constify pos argument.
49         (do_typedef): Initialize p->opt field.
50         (get_file_gtfilename): Fix comment typo.
51         (struct walk_type_data): Constify line field.
52         (get_output_file_for_structure): New function.
53         (write_local_func_for_structure): Constify orig_s argument.
54         Use get_output_file_for_structure.
55         (write_func_for_structure): Use get_output_file_for_structure.
56         (INDENT): New define.
57         (dump_pair, dump_type, dump_type_list, dump_typekind)
58         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
59         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
60         functions.
61         (seen_types): New variable.
62         (main): New variable do_dump.  Process "-d" command line option.
63         Call dump_everything if dump requested.
64
65 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
66
67         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
68         in a temporary instead of invoking the macro multiple times.
69         (track_expr_p): Likewise.
70
71 2010-05-04  Neil Vachharajani <nvachhar@google.com>
72
73         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
74         per new semantics.
75         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
76         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
77         conditions for printing notes.
78         * common.opt (-Wcoverage-mismatch): Allow negative, default to
79         true, update documentation.
80         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
81
82 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
83
84         PR c/43981
85         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
86         on dimen.
87
88 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
89
90         PR target/43799
91         * config/i386/i386.md (sse_prologue_save): Add clobber CC
92         register.
93         (*sse_prologue_save_insn1): Likewise.
94         (SSE prologue save splitter): Likewise.
95
96 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
97
98         * tree.c (free_lang_data_in_one_sizepos): New inline function.
99         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
100         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
101         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
102         all decls.  Call it on DECL_FIELD_OFFSET of fields.
103         (find_decls_types_r): Follow DECL_VALUE_EXPR.
104         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
105
106 2010-05-04  Martin Jambor  <mjambor@suse.cz>
107
108         * tree-sra.c (build_access_from_expr_1): The first parameter type
109         changed to simple tree.
110         (build_access_from_expr): Likewise, gsi parameter was eliminated.
111         (scan_assign_result): Renamed to assignment_mod_result, enum elements
112         renamed as well.
113         (build_accesses_from_assign): Removed all parameters except for a
114         simple gimple statement.  Now returns a simple bool.
115         (scan_function): All non-analysis parts moved to separate functions
116         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
117         parameters and updated both callers.
118         (sra_modify_expr): Removed parameter data.
119         (sra_modify_function_body): New function.
120         (perform_intra_sra): Call sra_modify_function_body to modify the
121         function body.
122         (replace_removed_params_ssa_names): Parameter data changed into
123         adjustments vector.
124         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
125         changed the parameter dont_convert to convert with the opposite
126         meaning.
127         (sra_ipa_modify_assign): Parameter data changed into adjustments
128         vector, return value changed to bool.
129         (ipa_sra_modify_function_body): New function.
130         (sra_ipa_reset_debug_stmts): Updated a comment.
131         (modify_function): Use ipa_sra_modify_function_body to modify function
132         body.
133
134 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
135
136         PR middle-end/43671
137         * alias.c (true_dependence): Handle the same VALUE in x and mem.
138         (canon_true_dependence): Likewise.
139         (write_dependence_p): Likewise.
140
141 2010-05-04  Jan Hubicka  <jh@suse.cz>
142
143         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
144         * cgraphbuild.c: Include ipa-utils.h
145         (record_reference_ctx): New struct.
146         (record_reference): Simplify to work on initializers; not statements.
147         (mark_address, mark_load, mark_store): New.
148         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
149         walk PHI nodes too.
150         (record_references_in_initializer): Update use of record_reference.
151         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
152         walk PHI nodes too.
153
154 2010-05-04  Jan Hubicka  <jh@suse.cz>
155
156         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
157         node will be removed anyway.
158         (lto_varpool_replace_node): Allow also unanalyzed nodes;
159         relink aliases of node into prevailing node.
160         * varpool.c (varpool_remove_node): Remove aliases properly;
161         when removing node, remove all its aliases too; remove DECL_INITIAL
162         of removed node; ggc_free the varpool node.
163
164 2010-05-04  Richard Guenther  <rguenther@suse.de>
165
166         PR tree-optimization/43879
167         * tree-ssa-structalias.c (alias_get_name): Use
168         DECL_ASSEMBLER_NAME if available.
169         (create_function_info_for): Return the varinfo node.
170         (ipa_pta_execute): Associate same-body aliases and extra names
171         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
172
173 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
174
175         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
176         static.
177
178 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
179
180         PR bootstrap/43964
181         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
182         only if HONOR_REG_ALLOC_ORDER is not defined.
183
184 2010-05-04  Richard Guenther  <rguenther@suse.de>
185
186         PR tree-optimization/43949
187         * tree-vrp.c (extract_range_from_binary_expr): Only handle
188         TRUNC_MOD_EXPR.
189
190 2010-04-26  Jason Merrill  <jason@redhat.com>
191
192         * c.opt (-fstrict-enums): New.
193         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
194
195 2010-05-03  David Ung <davidu@mips.com>
196             James E. Wilson  <wilson@codesourcery.com>
197
198         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
199         emit the trap instruction before the divide for TUNE_74K.
200
201 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
202
203         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
204         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
205         based on the above, for new target hook.
206
207         * hooks.c (hook_bool_mode_true): New generic hook.
208         * hooks.h (hook_bool_mode_true): Add prototype.
209
210         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
211         target hook.
212         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
213         target hook, set to hook_bool_mode_false.
214         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
215         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
216         with targetm.small_register_classes_for_mode_p.
217         (find_reusable_reload): Likewise.
218         (combine_reloads): Likewise.
219         * reload1.c (reload_as_needed): Likewise.
220         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
221         * ifcvt.c (noce_process_if_block, check_cond_move_block,
222         dead_or_predicable): Likewise.
223         * regmove.c (optimize_reg_copy_1): Likewise.
224         * calls.c (prepare_call_address): Likewise.
225         (precompute_register_parameters): Likewise.
226
227         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
228         hook definition.
229         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
230         implementation of the hook that considers all register classes
231         small except for SH64.
232         (sh_override_options): Use the new hook.
233         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
234         Add prototype.
235
236         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
237         hook definition.
238         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
239         implementation of the hook that considers all register classes
240         small for THUMB1.
241         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
242         Add prototype.
243
244         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
245         hook definition.
246         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
247         implementation of the hook that considers all register classes
248         small for MIPS16.
249         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
250         Add prototype.
251
252         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
253         hook definition.
254         * config/m32c/m32c.h: Likewise.
255         * config/pdp11/pdp11.h: Likewise.
256         * config/avr/avr.h: Likewise.
257         * config/xtensa/xtensa.h: Likewise.
258         * config/m68hc11/m68hc11.h: Likewise.
259         * config/mn10300/mn10300.h: Likewise.
260         * config/mcore/mcore.h: Likewise.
261         * config/h8300/h8300.h: Likewise.
262         * config/bfin/bfin.h: Likewise.
263
264         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
265         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
266
267 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
268
269         * double-int.h (tree_to_double_int): Remove macro.
270         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
271         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
272         (tree_to_double_int): New function.
273         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
274         Move ...
275         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
276
277 2010-05-03  Richard Guenther  <rguenther@suse.de>
278
279         PR tree-optimization/43971
280         * tree-ssa-structalias.c (get_constraint_for_1): Fix
281         constraints in the !flag_delete_null_pointer_checks case.
282
283 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
284
285         PR debug/43972
286         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
287         result mode matches original rtl mode.
288
289 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
290
291         PR target/43888
292         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
293
294 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
295
296         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
297         when processing flag options.
298
299 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
300
301         * gcov-iov.c (main): Change format string placeholder
302         from %#08x to 0x%08x.
303         * genchecksum.c (dosum): Change format string placeholder
304         from %#02x to 0x%02x.
305
306 2010-05-02  Richard Guenther  <rguenther@suse.de>
307
308         PR tree-optimization/43879
309         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
310
311 2010-05-02  Bruno Haible  <bruno@clisp.org>
312
313         * doc/extend.texi (Function Attributes): Fix a typo.
314
315 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
316
317         Revert:
318         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
319         placeholder from 0x%x to %#x.
320         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
321         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
322         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
323         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
324         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
325         * config/i386/i386.c (ix86_target_string): Ditto.
326         * config/i386/i386.c (output_pic_addr_const): Ditto.
327         (print_operand): Ditto.
328
329 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
330
331         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
332         placeholder from 0x%x to %#x.
333         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
334         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
335         (ASM_OUTPUT_DEBUG_DATA): Ditto.
336         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
337         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
338         * optc-gen.awk: Ditto.
339         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
340         (HOST_WIDE_INT_PRINT_HEX): Ditto.
341         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
342         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
343
344 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
345
346         * target.h (struct calls): Add function_value_regno_p field.
347         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
348         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
349         * targhooks.c (default_function_value_regno_p): New function.
350         * targhooks.h (default_function_value_regno_p): Declare function.
351         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
352         * builtins.c. (apply_result_size): (Ditto.).
353         * combine.c. (likely_spilled_retval_p): (Ditto.).
354         * mode-switching.c. Include 'target.h'.
355         (create_pre_exit): Use function_value_regno_p hook.
356         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
357         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
358         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
359
360         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
361         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
362         (ix86_function_value_regno_p): Declare as static, change argument
363         type to const unsigned int.
364         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
365
366 2010-05-01  Richard Guenther  <rguenther@suse.de>
367
368         PR tree-optimization/43949
369         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
370         types.
371         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
372
373 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
374
375         * rtl.h (CONST_DOUBLE_P): Define.
376         (rtx_to_double_int): Declare.
377         * emit-rtl.c (rtx_to_double_int): New function.
378         * dwarf2out.c (insert_double): New function.
379         (loc_descriptor, add_const_value_attribute): Clean up, use
380         rtx_to_double_int and insert_double functions.
381
382 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
383
384         * doc/extend.texi (Inline): Add missing return keyword to examples.
385         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
386         "command-line".
387
388 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
389
390         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
391         the variable part of the offset as well.  Use highest_pow2_factor for
392         all alignment checks.
393
394 2010-04-30  Richard Guenther  <rguenther@suse.de>
395
396         PR tree-optimization/43879
397         * tree-ssa-structalias.c (type_could_have_pointers): Functions
398         can have pointers.
399
400 2010-04-30  Jan Hubicka  <jh@suse.cz>
401
402         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
403         varpool.
404         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
405
406 2010-04-30  Jan Hubicka  <jh@suse.cz>
407
408         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
409         New.
410         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
411         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
412         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
413         cgraph_node_set_needs_ltrans_p): Remove.
414
415 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
416
417         * sdbout.c: Include vec.h, do not include varray.h.
418         (deferred_global_decls, sdbout_global_decl,
419         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
420         * toplev.c: Do not include varray.h.
421         (dump_memory_report): Do not dump VARRAY statistics.
422         * gengtype.c (open_base_file): Ignore varray.h.
423         * Makefile.in: Update for abovementioned changes.
424         Remove all traces of varray.c and varray.h.
425         * varray.c: Remove file.
426         * varray.h: Remove file.
427
428 2010-04-30  Jan Hubicka  <jh@suse.cz>
429
430         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
431         references.
432
433 2010-04-30  Jan Hubicka  <jh@suse.cz>
434
435         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
436         needed.
437
438 2010-04-30  Richard Guenther  <rguenther@suse.de>
439
440         * tree-ssa-structalias.c (get_constraint_for_1): Generate
441         constraints for CONSTRUCTOR.
442
443 2010-04-30  Richard Guenther  <rguenther@suse.de>
444
445         PR lto/43946
446         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
447         first after all lowering passes.
448
449 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
450
451         * toplev.c: Include varray.h for statistics dumping.
452         * tree.h: Do not declare varray_head_tag.
453         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
454         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
455         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
456         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
457         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
458         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
459         c-common.c, c-common.h, reg-stack.c, basic-block.h,
460         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
461         include varray.h.
462         * Makefile.in: Update for abovementioned changes.
463
464 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
465
466         PR debug/43942
467         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
468
469 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
470
471         * config/picochip/picochip.c (picochip_legitimize_address): Define.
472         Use this function to do machine-specific conversion.
473         (picochip_legitimize_reload_address): Likewise.
474         (picochip_legitimate_address_p): Check valid base register only if
475         strict.
476         (picochip_check_conditional_copy): Check for modw only if opnd is
477         register.
478         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
479         to call the function in c.
480         * config/picochip/picochip-protos.h
481         (picochip_legitimize_reload_address): Define.
482         * config/picochip/picochip.md (supported_compare1): Define.
483
484 2010-04-30  Jan Hubicka  <jh@suse.cz>
485
486         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
487         (cgraph_global_info): Remove inlined.
488         (LTO_cgraph_tag_names): Remove.
489         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
490         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
491         simplify cgraph tags and document.
492         (lto_output_node): Use only LTO_cgraph_unavail_node and
493         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
494         for_functions_valid, global info, process and output flags.
495         (input_overwrite_node): Initialize estimated stack size and
496         estimated growth.  Do not read flags we no longer store.
497         (input_node): Likewise do not read info no longer stored.
498         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
499         flag.
500
501 2010-04-30  Richard Guenther  <rguenther@suse.de>
502
503         PR tree-optimization/43879
504         * tree-ssa-structalias.c (get_constraint_for_1): Properly
505         handle non-zero initializers.
506
507 2010-04-30  Richard Guenther  <rguenther@suse.de>
508
509         * builtins.c (fold_builtin_1): Delete free (0).
510
511 2010-04-29  Jan Hubicka  <jh@suse.cz>
512
513         * gengtype.c (open_base_files): Add lto-streamer.h
514         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
515         (pass_ipa_cp): GGC collect.
516         * toplev. (compile_file): Do not output symbols.
517         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
518         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
519         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
520         * lto-section-in.c: Include ggc.h
521         (lto_new_in_decl_state): Alloc in GGC.
522         (lto_delete_in_decl_state): Likewise.
523         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
524         Collect.
525
526 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
527
528         PR target/42895
529         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
530         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
531         (HONOR_REG_ALLOC_ORDER): Describe new macro.
532         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
533         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
534         account only if HONOR_REG_ALLOC_ORDER is not defined.
535         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
536         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
537
538 2010-04-29  Jon Grant  <04@jguk.org>
539
540         * collect2.c (vflag): Change type from int to bool.
541         (debug): Likewise.
542         (helpflag): New global bool.
543         (main): Set vflag and debug with boolean, not integer truth values.
544         Accept new "--help" option and output usage text if found.
545         * collect2.h (vflag): Update prototype.
546         (debug): Likewise.
547
548 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
549
550         PR bootstrap/43936
551         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
552
553 2010-04-29  Richard Guenther  <rguenther@suse.de>
554
555         PR bootstrap/43935
556         * plugin.h (invoke_plugin_callbacks): Annotate arguments
557         with ATTRIBUTE_UNUSED.
558
559 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
560
561         PR target/43921
562         * config/i386/i386.c (get_some_local_dynamic_name): Replace
563         INSN_P with NONDEBUG_INSN_P.
564         (distance_non_agu_define): Likewise.
565         (distance_agu_use): Likewise.
566
567 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
568
569         From Dominique d'Humieres <dominiq@lps.ens.fr>
570         PR bootstrap/43858
571         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
572         test_set.
573
574 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
575
576         * plugin.h (invoke_plugin_callbacks): New inline function.
577         * plugin.c (flag_plugin_added): New global flag.
578         (add_new_plugin): Initialize above flag.
579         (invoke_plugin_callbacks): Rename to ...
580         (invoke_plugin_callbacks_full): ... this.
581
582 2010-04-28  Jan Hubicka  <jh@suse.cz>
583
584         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
585         (lto_varpool_replace_node): New.
586         (lto_symtab_resolve_symbols): Resolve varpool nodes.
587         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
588         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
589         * cgraph.h (varpool_node_ptr): New type.
590         (varpool_node_ptr): New vector.
591         (varpool_node_set_def): New structure.
592         (varpool_node_set): New type.
593         (varpool_node_set): New vector.
594         (varpool_node_set_element_def): New structure.
595         (varpool_node_set_element, const_varpool_node_set_element): New types.
596         (varpool_node_set_iterator): New type.
597         (varpool_node): Add prev pointers, add used_from_other_partition,
598         in_other_partition.
599         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
600         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
601         varpool_get_node, varpool_remove_node): Declare.
602         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
603         varpool_node_set_size): New inlines.
604         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
605         * tree-pass.h (varpool_node_set_def): Forward declare.
606         (ipa_opt_pass_d): Summary writting takes vnode sets too.
607         (ipa_write_optimization_summaries): Update prototype.
608         * ipa-cp.c (ipcp_write_summary): Update.
609         * ipa-reference.c (ipa_reference_write_summary): Update.
610         * lto-cgraph.c (lto_output_varpool_node): New static function.
611         (output_varpool): New function.
612         (input_varpool_node): New static function.
613         (input_varpool_1): New function.
614         (input_cgraph): Input varpool.
615         * ipa-pure-const.c (pure_const_write_summary): Update.
616         * lto-streamer-out.c (lto_output): Update, output varpool too.
617         (write_global_stream): Kill WPA hack.
618         (produce_asm_for_decls): Update.
619         (output_alias_pair_p): Handle variables.
620         (output_unreferenced_globals): Output only needed partition of varpool.
621         * ipa-inline.c (inline_write_summary): Update.
622         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
623         cgraph.
624         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
625         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
626         varpool_node_set_new, varpool_node_set_add,
627         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
628         debug_varpool_node_set): New functions.
629         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
630         (execute_one_pass): Process new decls too.
631         (ipa_write_summaries_2): Pass around vsets.
632         (ipa_write_summaries_1): Likewise.
633         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
634         to add.
635         (ipa_write_optimization_summaries_1): Pass around vsets.
636         (ipa_write_optimization_summaries): Likewise.
637         * varpool.c (varpool_get_node): New.
638         (varpool_node): Update doubly linked lists.
639         (varpool_remove_node): New.
640         (dump_varpool_node): More dumping.
641         (varpool_enqueue_needed_node): Update doubly linked lists.
642         (decide_is_variable_needed): Kill ltrans hack.
643         (varpool_finalize_decl): Kill lto hack.
644         (varpool_assemble_decl): Skip decls in other partitions.
645         (varpool_assemble_pending_decls): Update doubly linkes lists.
646         (varpool_empty_needed_queue): Likewise.
647         (varpool_extra_name_alias): Likewise.
648         * lto-streamer.c (lto_get_section_name): Add vars section.
649         * lto-streamer.h (lto_section_type): Update.
650         (output_varpool, input_varpool): Declare.
651
652 2010-04-28  Mike Stump  <mikestump@comcast.net>
653
654         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
655
656 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
657
658         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
659         record or union type with RECORD_OR_UNION_TYPE_P predicate.
660         (lto_input_ts_type_tree_pointers): Likewise.
661         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
662         (lto_output_ts_type_tree_pointers): Likewise.
663
664 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
665
666         Uniquization of constants at the Tree level
667         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
668         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
669         bit to the end.
670         (tree_output_constant_def): Declare.
671         * gimplify.c (gimplify_init_constructor): When using block copy, first
672         uniquize the constant constructor on the RHS.
673         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
674         DECL_IN_CONSTANT_POOL flag.
675         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
676         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
677         constant pool.
678         (assemble_variable): Deal with symbols belonging to the tree constant
679         pool.
680         (get_constant_section): Add ALIGN parameter and simplify.
681         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
682         (assemble_constant_contents): Use the expression of the VAR_DECL.
683         (output_constant_def_contents): Use the alignment of the VAR_DECL.
684         (tree_output_constant_def): New global function.
685         (mark_constant): Use the expression of the VAR_DECL.
686         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
687         its expression.
688         (output_object_block): Likewise and assemble the expression.
689
690 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
691
692         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
693         hash_tree, eq_tree): New tree hash table.
694         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
695         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
696         lto_orig_address_remove): Reimplement.
697
698 2010-04-28  Xinliang David Li  <davidxl@google.com>
699
700         PR c/42643
701         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
702         (compute_uninit_opnds_pos): New function.
703         (is_non_loop_exit_postdominating): New function.
704         (compute_control_dep_chain): New function.
705         (find_pdom): New function.
706         (convert_control_dep_chain_into_preds): New function.
707         (find_predicates): New function.
708         (find_control_equiv_block): New function.
709         (collect_phi_def_edges): New function.
710         (find_def_preds): New function.
711         (find_dom): New function.
712         (dump_predicates): New function.
713         (get_cmp_code): New function.
714         (is_value_included_in): New function.
715         (find_matching_predicate_in_rest_chains): New function.
716         (use_pred_not_overlap_with_undef_path_pred): New function.
717         (is_use_properly_guarded): New function.
718         (normalize_cond_1): New function.
719         (is_and_or_or): New function.
720         (normalize_cond): New function.
721         (is_gcond_subset_of): New function.
722         (is_subset_of_any): New function.
723         (is_or_set_subset_of): New function.
724         (is_and_set_subset_of): New function.
725         (is_norm_cond_subset_of): New function.
726         (is_pred_expr_subset_of): New function.
727         (is_pred_chain_subset_of): New function.
728         (is_included_in): New function.
729         (is_superset_of): New function.
730         (find_uninit_use): New function.
731         (warn_uninitialized_phi): New function.
732         (compute_possibly_undefined_names): New function.
733         (ssa_undefined_value_p): New function.
734         (execute_late_warn_uninitialized): New function.
735         * tree-ssa.c (ssa_undefined_value_p): Removed.
736         (warn_uninit): Changed to extern.
737         (warn_uninitialized_phi): Removed.
738         (warn_uninitialized_vars): Changed to extern.
739         (execute_late_warn_uninitialized): Removed
740         * tree-flow.h: Add new prototypes.
741         * timevar.def: Add new time variable.
742         * Makefile.in: Add new build file.
743
744 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
745
746         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
747         type if available.
748
749 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
750
751         PR target/22224
752         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
753
754 2010-04-28  Martin Jambor  <mjambor@suse.cz>
755
756         * cgraph.h (struct cgraph_node): New field indirect_calls.
757         (struct cgraph_indirect_call_info): New type.
758         (struct cgraph_edge): Removed field indirect_call. New fields
759         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
760         (cgraph_create_indirect_edge): Declare.
761         (cgraph_make_edge_direct): Likewise.
762         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
763         * ipa-prop.h (struct ipa_param_call_note): Removed.
764         (struct ipa_node_params): Removed field param_calls.
765         (ipa_create_all_structures_for_iinln): Declare.
766         * cgraph.c: Described indirect edges and uids in initial comment.
767         (cgraph_add_edge_to_call_site_hash): New function.
768         (cgraph_edge): Search also among the indirect edges, use
769         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
770         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
771         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
772         site hash.
773         (initialize_inline_failed): Assign a reason to indirect edges.
774         (cgraph_create_edge_1): New function.
775         (cgraph_create_edge): Moved some functionality to
776         cgraph_create_edge_1.
777         (cgraph_create_indirect_edge): New function.
778         (cgraph_edge_remove_callee): Add an assert checking for
779         non-indirectness.
780         (cgraph_edge_remove_caller): Special-case indirect edges.
781         (cgraph_remove_edge): Likewise.
782         (cgraph_set_edge_callee): New function.
783         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
784         (cgraph_make_edge_direct): New function.
785         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
786         the declaration of the call statement matches.
787         (cgraph_node_remove_callees): Special-case indirect edges.
788         (cgraph_clone_edge): Likewise.
789         (cgraph_clone_node): Clone also the indirect edges.
790         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
791         indirect_call, dump count of indirect_calls edges.
792         * ipa-prop.c (iinlining_processed_edges): New variable.
793         (ipa_note_param_call): Create indirect edges instead of
794         creating notes.  New parameter node.
795         (ipa_analyze_call_uses): New parameter node, pass it on to
796         ipa_note_param_call.
797         (ipa_analyze_stmt_uses): Likewise.
798         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
799         (print_edge_addition_message): Work on edges rather than on notes.
800         (update_call_notes_after_inlining): Likewise, renamed to
801         update_indirect_edges_after_inlining.
802         (ipa_create_all_structures_for_iinln): New function.
803         (ipa_free_node_params_substructures): Do not free notes.
804         (ipa_edge_duplication_hook): Propagate bits within
805         iinlining_processed_edges bitmap.
806         (ipa_node_duplication_hook): Do not duplicate notes.
807         (free_all_ipa_structures_after_ipa_cp): Renamed to
808         ipa_free_all_structures_after_ipa_cp.
809         (free_all_ipa_structures_after_iinln): Renamed to
810         ipa_free_all_structures_after_iinln.g
811         (ipa_write_param_call_note): Removed.
812         (ipa_read_param_call_note): Removed.
813         (ipa_write_indirect_edge_info): New function.
814         (ipa_read_indirect_edge_info): Likewise.
815         (ipa_write_node_info): Do not stream notes, do stream information
816         in indirect edges.
817         (ipa_read_node_info): Likewise.
818         (lto_ipa_fixup_call_notes): Removed.
819         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
820         * ipa-inline.c (pass_ipa_inline): Likewise.
821         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
822         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
823         * tree-inline.c (copy_bb): Removed an unnecessary double check for
824         is_gimple_call.
825         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
826         edges.
827         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
828         (output_cgraph): Stream also indirect edges.
829         (lto_output_edge): Added capability to stream indirect edges.
830         (input_edge): Likewise.
831         (input_cgraph_1): Likewise.
832         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
833         of indirect edges.
834
835 2010-04-28  Richard Guenther  <rguenther@suse.de>
836
837         PR tree-optimization/43879
838         PR tree-optimization/43909
839         * tree-ssa-structalias.c (struct variable_info): Add
840         only_restrict_pointers flag.
841         (new_var_info): Initialize it.  Increment stats.total_vars here.
842         (create_function_info_for): Do not increment stats.total_vars
843         here.
844         (get_function_part_constraint): Fix build with C++.
845         (insert_into_field_list): Remove.
846         (push_fields_onto_fieldstack): Properly merge fields.
847         (create_variable_info_for): Split and simplify.
848         (create_variable_info_for_1): New piece.
849         (intra_create_variable_infos): Properly make restrict constraints
850         from parameters.
851
852 2010-04-28  Richard Guenther  <rguenther@suse.de>
853
854         PR c++/43880
855         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
856
857 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
858             Jan Hubicka <hubicka@ucw.cz>
859
860         * doc/invoke.texi (-Wsuggest-attribute=const,
861         -Wsuggest-attribute=pure): Document.
862         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
863         (function_always_visible_to_compiler_p,
864         suggest_attribute, warn_function_pure, warn_function_const):
865         New functions.
866         (check_call): Improve debug info.
867         (analyze_function): Do not check availability.
868         (add_new_function): Check availability.
869         (propagate): Output warnings.
870         (skip_function_for_local_pure_const): New function.
871         (local_pure_const): Use it; output warnings.
872         * common.opt (Wsuggest-attribute=const,
873         Wsuggest-attribute=pure): New.
874
875 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
876
877         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
878         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
879         or DW_CFA_def_cfa_offset{,_sf}.
880
881 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
882
883         * tree.h: Fix truncated long macros.
884
885 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
886
887         * collect2.c (TARGET_64BIT): Redefine to target's default.
888         * tlink.c: Likewise.
889         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
890         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
891         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
892         for underscoring __USER_LABEL_PREFIX__.
893         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
894         (SUB_LINK_ENTRY32): New.
895         (SUB_LINK_ENTRY64): New.
896         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
897         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
898         (SUB_LINK_ENTRY64): New.
899         (SUB_LINK_ENTRY): New.
900         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
901         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
902         x64 target is choosen.
903         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
904         * configure: Regenerated.
905         * configure.ac (leading-mingw64-underscores): Option added.
906
907 2010-04-27  Jan Hubicka  <jh@suse.cz>
908
909         * doc/invoke.texi (-fipa-profile): Document.
910         * opts.c (decode_options): Enable ipa-profile at -O1.
911         * timevar.def (TV_IPA_PROFILE): Define.
912         * common.opt (fipa-profile): Add.
913         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
914         flag for clones.
915         (cgraph_propagate_frequency): Handle only local ones.
916         * tree-pass.h (pass_ipa_profile): Declare.
917         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
918         (pass_ipa_profile): Use TV_IPA_PROFILE.
919         * ipa.c (ipa_profile): New function.
920         (gate_ipa_profile): Likewise.
921         (pass_ipa_profile): New global variable.
922         * passes.c (pass_ipa_profile): New.
923
924 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
925
926         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
927
928 2010-04-27  Martin Jambor  <mjambor@suse.cz>
929
930         PR middle-end/43812
931         * ipa.c (dissolve_same_comdat_group_list): New function.
932         (function_and_variable_visibility): Call
933         dissolve_same_comdat_group_list when comdat group contains external or
934         newly local nodes.
935         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
936         lists are circular and that they contain only DECL_ONE_ONLY nodes.
937
938 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
939
940         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
941         (const_hash_1) <VECTOR_CST>: New case.
942         (compare_constant) <VECTOR_CST>: Likewise.
943         <ADDR_EXPR>: Deal with LABEL_REFs.
944         (copy_constant) <VECTOR_CST>: New case.
945
946 2010-04-27  Jan Hubicka  <jh@suse.cz>
947
948         * cgraph.c (cgraph_propagate_frequency): New function.
949         * cgraph.h (cgraph_propagate_frequency): Declare.
950         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
951         cgraph_propagate_frequency.
952
953 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
954
955         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
956
957 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
958
959         PR target/40657
960         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
961         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
962         here to determine which regs to push and how much stack to reserve.
963
964 2010-04-27  Jie Zhang  <jie@codesourcery.com>
965
966         * doc/gimple.texi (gimple_statement_with_ops): Remove
967         addresses_taken field.
968         (gimple_statement_with_memory_ops): Likewise.
969
970 2010-04-27  Jan Hubicka  <jh@suse.cz>
971
972         * tree-inline.c (eni_inlining_weights): Remove.
973         (estimate_num_insns): Special case more builtins.
974
975 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
976
977         PR c/32207
978         * c-typeck.c (build_binary_op): Move forward check for comparison
979         pointer with null pointer constant and adjust the diagnostic message.
980
981 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
982
983         PR lto/42776
984         * configure.ac (gcc_cv_as_section_has_align): Set if installed
985         binutils supports extended .section directive needed by LTO, or
986         warn if older binutils found.
987         (LTO_BINARY_READER): New AC_SUBST'd variable.
988         (LTO_USE_LIBELF): Likewise.
989         * gcc/config.gcc (lto_binary_reader): New target-specific configure
990         variable.
991         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
992         (LTO_USE_LIBELF): Likewise.
993         * configure: Regenerate.
994
995         * collect2.c (is_elf): Rename from this ...
996         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
997          object files in addition to ELF-formatted ones.
998         (scan_prog_file): Caller updated.  Also allow for LTO info marker
999         symbol to be prefixed or not by an extra underscore.
1000
1001         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
1002         * config/i386/winnt.c: Also #include lto-streamer.h
1003         (i386_pe_asm_named_section): Specify 1-byte section alignment for
1004         LTO named sections.
1005         (i386_pe_asm_output_aligned_decl_common): Add comment.
1006         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
1007
1008 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
1009
1010         PR target/43889
1011         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
1012         Add missing earlyclobber for second alternative.
1013
1014 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
1015
1016         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
1017         bits for artificial defs at the top of the block.
1018         * fwprop.c (single_def_use_enter_block): Don't call it.
1019
1020 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
1021
1022         PR 43715
1023         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
1024         instead of "$gcc_cv_objdump -T".
1025         Use "-undefined dynamic_lookup" on darwin.
1026         * gcc/configure: Regenerate.
1027
1028 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
1029
1030         PR c/43893
1031         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
1032
1033 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1034
1035         * c-parser.c (struct c_token): Move location field up.
1036         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
1037         (struct c_declspecs): Convert typespec_word, storage_class, and
1038         default_int_p into bitfields.
1039         (struct c_declarator): Move loc field up.
1040
1041 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1042
1043         * cfgloop.h (struct loop): Move can_be_parallel field up.
1044         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1045         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1046         down.
1047         (struct iv_cand): Convert pos field into a bitfield.
1048         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1049         field up.
1050         (struct _stmt_vec_info): Shuffle fields for better packing.
1051
1052 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1053
1054         * varasm.c (IN_NAMED_SECTION): Remove guard.
1055         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1056         (IN_NAMED_SECTION_P): ...this.
1057         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1058         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1059
1060 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1061
1062         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1063         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1064         of shadowing it.  Fix comments.
1065
1066 2010-04-26  Jan Hubicka  <jh@suse.cz>
1067
1068         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1069         (cgraph_clone_node): Copy function frequency.
1070         * cgraph.h (node_frequency): New enum
1071         (struct cgraph_node): Add.
1072         * final.c (rest_of_clean_state): Update.
1073         * lto-cgraph.c (lto_output_node): Output node frequency.
1074         (input_overwrite_node): Input node frequency.
1075         * tre-ssa-loop-ivopts (computation_cost): Update.
1076         * lto-streamer-out.c (output_function): Do not output function
1077         frequency.
1078         * predict.c (maybe_hot_frequency_p): Update and handle functions
1079         executed once.
1080         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1081         attribute lookup.
1082         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1083         (compute_function_frequency): Set noreturn functions to be executed
1084         once.
1085         (choose_function_section): Update.
1086         * lto-streamer-in.c (input_function): Do not input function frequency.
1087         * function.c (allocate_struct_function): Do not initialize function
1088         frequency.
1089         * function.h (function_frequency): Remove.
1090         (struct function): Remove function frequency.
1091         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1092         (try_update): Update.
1093         * tree-inline.c (initialize_cfun): Do not update function frequency.
1094         * passes.c (pass_init_dump_file): Update.
1095         * i386.c (ix86_compute_frame_layout): Update.
1096         (ix86_pad_returns): Update.
1097
1098 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1099
1100         PR tree-optimization/43833
1101         * tree-vrp.c (range_int_cst_p): New.
1102         (range_int_cst_singleton_p): New.
1103         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1104         when both operands are constants.  Use range_int_cst_p in
1105         BIT_IOR_EXPR case.
1106
1107 2010-04-26  Jan Hubicka  <jh@suse.cz>
1108
1109         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1110
1111 2010-04-26  Richard Guenther  <rguenther@suse.de>
1112
1113         PR lto/43080
1114         * gimple.c (gimple_decl_printable_name): Deal gracefully
1115         with a NULL DECL_NAME.
1116
1117 2010-04-26  Richard Guenther  <rguenther@suse.de>
1118
1119         PR lto/42425
1120         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1121         if emitting debug information and it is either a function
1122         or a namespace decl.
1123
1124 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1125
1126         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1127         determine if the statement is vectorizable, and a macro to access it.
1128         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1129         Skip statements that can't be vectorized. If the analysis fails,
1130         mark the statement as unvectorizable if vectorizing basic block.
1131         (vect_compute_data_refs_alignment): Likewise.
1132         (vect_verify_datarefs_alignment): Skip statements marked as
1133         unvectorizable. Add print.
1134         (vect_analyze_group_access): Skip statements that can't be
1135         vectorized. If the analysis fails, mark the statement as
1136         unvectorizable if vectorizing basic block.
1137         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1138         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1139         generated stmts for SLP.
1140         (new_stmt_vec_info): Initialize the new field.
1141         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1142         statements marked as unvectorizable.
1143
1144 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1145
1146         * c-common.c (flag_isoc1x): New.
1147         (flag_isoc99): Update comment.
1148         * c-common.h (flag_isoc1x): New.
1149         (flag_isoc99): Update comment.
1150         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1151         __<type>_DECIMAL_DIG__.
1152         * c-opts.c (set_std_c1x): New.
1153         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1154         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1155         * c.opt (-std=c1x, -std=gnu1x): New options.
1156         * doc/cpp.texi: Mention -std=c1x.
1157         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1158         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1159         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1160         * doc/standards.texi: Mention C1X.
1161         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1162         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1163         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1164         Define for C1X.
1165
1166 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1167
1168         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1169         placeholder from 0x%x to %#x.
1170         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1171         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1172         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1173         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1174         * config/i386/i386.c (ix86_target_string): Ditto.
1175         (output_pic_addr_const): Ditto.
1176         (print_operand): Ditto.
1177
1178 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1179
1180         * combine.c (find_split_point): Add third argument.  Use it
1181         to find nested multiply-accumulate instructions.  Adjust calls.
1182         (try_combine): Adjust call to find_split_point.
1183
1184 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1185
1186         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1187
1188 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1189
1190         PR tree-optimization/41442
1191         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1192         (fold_binary_loc): Call it.
1193
1194 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1195
1196         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1197         * opts.c (common_handle_option): Allow disabling it.
1198         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1199
1200 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1201
1202         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1203         between modes if both types are integral.
1204
1205 2010-04-23  Richard Guenther  <rguenther@suse.de>
1206
1207         PR tree-optimization/43572
1208         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1209
1210 2010-04-23  Richard Guenther  <rguenther@suse.de>
1211
1212         PR lto/43455
1213         * tree-inline.c (tree_can_inline_p): Also check compatibility
1214         of return types.
1215
1216 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1217
1218         PR tree-optimization/43846
1219         * tree-sra.c (struct access): New flag grp_assignment_read.
1220         (build_accesses_from_assign): Set grp_assignment_read.
1221         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1222         (enum mark_read_status): New type.
1223         (analyze_access_subtree): Propagate grp_assignment_read, create
1224         accesses also if both direct_read and root->grp_assignment_read.
1225
1226 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1227
1228         PR middle-end/43835
1229         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1230         function does not have type attributes.
1231
1232 2010-04-23  Richard Guenther  <rguenther@suse.de>
1233
1234         PR lto/42653
1235         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1236         of FUNCTION_DECLs.
1237
1238 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1239
1240         * sese.h (create_if_region_on_edge): Remove.
1241
1242         * sese.c (create_if_region_on_edge): Make static.
1243
1244         * tree-inline.c: Do not include ggc.h.
1245
1246         * expr.c: Do not include ggc.h.
1247
1248         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1249         dependencies.
1250
1251 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1252
1253         PR target/43744
1254         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1255         in the middle of insns for casesi_worker_2.
1256
1257 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1258
1259         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1260
1261 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1262
1263         PR tree-optimization/43842
1264         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1265         loop unrolling in update of exit phis. Fix comment.
1266         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1267         least two reduction statements in the loop before starting SLP
1268         analysis.
1269
1270 2010-04-22  Nick Clifton  <nickc@redhat.com>
1271
1272         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1273
1274 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1275
1276         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1277         to simplify a + ~a.
1278
1279 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1280
1281         * tree-parloops.c (loop_parallel_p): New argument
1282         parloop_obstack.  Pass it down.
1283         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1284         pass it down, free it.
1285
1286         * tree-loop-linear.c (linear_transform_loops): Pass down
1287         lambda_obstack.
1288
1289         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1290         of type struct obstack *.
1291
1292         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1293         scratch_obstack.  Initialize it, pass down, free it.
1294
1295         * lambda.h (lambda_loop_new): Remove.
1296         (lambda_matrix_new, lambda_matrix_inverse)
1297         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1298         argument of type struct obstack *.
1299
1300         * lambda-trans.c (lambda_trans_matrix_new): New argument
1301         lambda_obstack.  Pass it down, use obstack allocation for ret.
1302         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1303         it down.
1304
1305         * lambda-mat.c (lambda_matrix_get_column)
1306         (lambda_matrix_project_to_null): Remove.
1307         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1308         allocation for mat.
1309         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1310         lambda_obstack.
1311
1312         * lambda-code.c (lambda_loop_new): New function.
1313         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1314         (lambda_compute_auxillary_space, lambda_compute_target_space)
1315         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1316         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1317         (build_access_matrix): New argument lambda_obstack.  Use obstack
1318         allocation for am.
1319         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1320         argument lambda_obstack.  Pass it down.
1321
1322 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1323
1324         * optabs.h (expand_widening_mult): Declare.
1325
1326 2010-04-22  Richard Guenther  <rguenther@suse.de>
1327
1328         PR tree-optimization/43845
1329         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1330         lookup the CALL_EXPR function and arguments.
1331
1332 2010-04-22  Nick Clifton  <nickc@redhat.com>
1333
1334         * config/stormy16/stormy16.c
1335         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1336         * config/stormy16/stormy16.h: Tidy up formatting.
1337         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1338         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1339         (ineqbranchsi): Delete pattern.
1340         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1341         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1342         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1343         stormy16-lib2-ucmpsi2.c.
1344
1345 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1346
1347         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1348         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1349         extra set merge_set_noclobber, and use it to relax the final test
1350         slightly.
1351         * df.h (df_simulate_find_noclobber_defs): Declare.
1352         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1353         conditional defs.
1354         (df_simulate_find_noclobber_defs): New function.
1355
1356 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1357
1358         * config/i386/i386.md: Use {} around multi-line preparation statements.
1359
1360 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1361
1362         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1363         (process_init_element): New argument of type struct obstack *.
1364
1365         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1366         (set_init_index, set_init_label, set_nonincremental_init)
1367         (set_nonincremental_init_from_string, find_init_member)
1368         (output_init_element, output_pending_init_elements)
1369         (process_init_element): New argument braced_init_obstack.  Pass it
1370         down.
1371         (push_range_stack, add_pending_init): New argument
1372         braced_init_obstack.  Use obstack allocation.
1373
1374         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1375         braced_init_obstack.  Pass it down.
1376         (c_parser_braced_init): New variables ret, braced_init_obstack.
1377         Initialize obstack, pass it down and finally free it.
1378
1379 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1380
1381         PR middle-end/29274
1382         * tree-pass.h (pass_optimize_widening_mul): Declare.
1383         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1384         gate_optimize_widening_mul): New static functions.
1385         (pass_optimize_widening_mul): New.
1386         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1387         <case MULT_EXPR>: Remove support for widening multiplies.
1388         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1389         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1390         simplify_gen_unary rather than directly building extensions.
1391         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1392         WIDEN_MULT_EXPR.
1393         * expmed.c (expand_widening_mult): New function.
1394         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1395
1396 2010-04-21  Jan Hubicka  <jh@suse.cz>
1397
1398         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1399         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1400         * lto-wpa-fixup.c: Remove.
1401         * Makefile.in (lto-wpa-fixup.o): Remove.
1402         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1403         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1404         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1405
1406 2010-04-21  Jan Hubicka  <jh@suse.cz>
1407
1408         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1409         add write_optimization_summary, read_optimization_summary.
1410         (ipa_write_summaries_of_cgraph_node_set): Remove.
1411         (ipa_write_optimization_summaries): Declare.
1412         (ipa_read_optimization_summaries): Declare.
1413         * ipa-cp.c (pass_ipa_cp): Update.
1414         * ipa-reference.c (pass_ipa_reference): Update.
1415         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1416         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1417         Update.
1418         * ipa-inline.c (pass_ipa_inline): Update.
1419         * ipa.c (pass_ipa_whole_program): Update.
1420         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1421         * passes.c (ipa_write_summaries_1): Do not test wpa.
1422         (ipa_write_optimization_summaries_1): New.
1423         (ipa_write_optimization_summaries): New.
1424         (ipa_read_summaries): Do not test ltrans.
1425         (ipa_read_optimization_summaries_1): New.
1426         (ipa_read_optimization_summaries): New.
1427
1428 2010-04-21  Jan Hubicka  <jh@suse.cz>
1429
1430         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1431         for boundary nodes.
1432         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1433
1434 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1435
1436         PR debug/40040
1437         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1438         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1439
1440 2010-04-21  Jan Hubicka  <jh@suse.cz>
1441
1442         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1443
1444 2010-04-21  Jan Hubicka  <jh@suse.cz>
1445
1446         * varpool.c (decide_is_variable_needed): Variable is always needed
1447         during ltrans.
1448
1449 2010-04-21  Jan Hubicka  <jh@suse.cz>
1450
1451         * opts.c (decode_options): Enable pure-const pass for whopr.
1452
1453 2010-04-21  Jan Hubicka  <jh@suse.cz>
1454
1455         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1456         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1457         at WPA dumping.
1458         (cgraph_decide_inlining): Do not expect callee to be removed in all
1459         cases.
1460
1461 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1462
1463         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1464
1465 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1466
1467         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1468         amdfam10_decode attributes.
1469
1470 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1471
1472         PR middle-end/43570
1473         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1474         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1475         (lower_copyprivate_clauses): Use private var in outer
1476         context instead of original var.  Make sure the types
1477         are correct for VLAs.
1478
1479 2010-04-21  Richard Guenther  <rguenther@suse.de>
1480
1481         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1482         to non-pointer objects.
1483
1484 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1485
1486         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1487         last chain entry if it starts with the still current label.
1488         (add_location_or_const_value_attribute): Check that
1489         loc_list->first->next is NULL instead of comparing ->first with ->last.
1490         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1491         to add_var_loc_to_decl.
1492
1493         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1494         >= 4 add also address size and segment size fields into CIE header.
1495
1496         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1497         long as address size is the same as sizeof (void *) and
1498         segment size is 0.
1499         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1500         address size or segment size is unexpected, return DW_EH_PE_omit.
1501         (classify_object_over_fdes): If get_cie_encoding returned
1502         DW_EH_PE_omit, return -1.
1503         (init_object): If classify_object_over_fdes returned -1,
1504         pretend there were no FDEs at all.
1505
1506 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1507
1508         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1509         bswap{si,di}2 using SWI48 mode iterator.
1510         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1511         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1512         set modrm attribute of bswap insn to 0 and remove length attribute.
1513         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1514         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1515         set mode attribute to <MODE> and remove length attribute.
1516
1517 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1518
1519         PR rtl-optimization/43520
1520         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1521         zero available registers.
1522
1523 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1524
1525         * builtins.c (fold_builtin_cproj): Fold more cases.
1526
1527 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1528
1529         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1530         (fold_builtin_1): Fold builtin cproj.
1531         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1532         Use ATTR_CONST_NOTHROW_LIST.
1533
1534 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1535
1536         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1537         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1538         ffsi2_no_cmove for !TARGET_CMOVE.
1539         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1540         (ffssi2): Remove expander.
1541         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1542         mode iterator.
1543         (ctz<mode>2): Ditto from ctz{si,di}2.
1544         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1545         mode iterator.
1546         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1547         mode iterator.
1548
1549 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1550
1551         * dwarf2out.c (AT_linkage_name): Define.
1552         (clone_as_declaration): Handle DW_AT_linkage_name.
1553         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1554         of DW_AT_MIPS_linkage_name.
1555         (move_linkage_attr): Likewise.
1556         (dwarf2out_finish): Likewise.
1557
1558 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1559
1560         PR middle-end/41952
1561         * fold-const.c (fold_comparison): New folding rule.
1562
1563 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1564
1565         * double-int.h (double_int_setbit): Declare.
1566         * double-int.c (double_int_setbit): New function.
1567         * rtl.h (immed_double_int_const): Declare.
1568         * emit-rtl.c (immed_double_int_const): New function.
1569         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1570         and immed_double_int_const functions.
1571         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1572         expand_copysign_bit):  (Ditto.).
1573         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1574         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1575         * dojump.c (prefer_and_bit_test): (Ditto.).
1576         * expr.c (convert_modes, reduce_to_bit_field_precision,
1577         const_vector_from_tree): (Ditto.).
1578         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1579
1580 2010-04-20  Jan Hubicka  <jh@suse.cz>
1581
1582         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1583         (dump_cgraph_node): Dump new flags.
1584         * cgraph.h (struct cgraph_node): Add flags
1585         reachable_from_other_partition and in_other_partition.
1586         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1587         other partition can not be removed.
1588         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1589         the other partition must be output; silence sanity checking on
1590         leaking functions bodies from other paritition.
1591         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1592         (lto_output_node): Output new flags; do not sanity check that inline
1593         clones are output; drop lto_forced_extern_inline_p code; do not mock
1594         visibility flags at partition boundaries.
1595         (add_node_to): New function.
1596         (output_cgraph): Use it to sort functions so masters appear before
1597         clones.
1598         (input_overwrite_node): Input new flags.
1599         * passes.c (ipa_write_summaries): Do not call
1600         lto_new_extern_inline_states.
1601         * lto-section-out.c (forced_extern_inline,
1602         lto_new_extern_inline_states lto_delete_extern_inline_states,
1603         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1604         * lto-streamer.h (lto_new_extern_inline_states,
1605         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1606         lto_forced_extern_inline_p): Kill.
1607
1608 2010-04-20  Richard Guenther  <rguenther@suse.de>
1609
1610         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1611         from vars that can have pointers.
1612         (process_constraint): Dump useless constraints.
1613
1614 2010-04-20  Richard Guenther  <rguenther@suse.de>
1615
1616         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1617         (dump_sa_points_to_info): Remove asserts.
1618         (init_base_vars): nothing_id isn't an escape point nor does it
1619         have pointers.
1620
1621 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1622
1623         * tree.h (TYPE_REF_IS_RVALUE): Define.
1624         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1625         should_move_die_to_comdat, prune_unused_types_walk): Handle
1626         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1627         (modified_type_die, gen_reference_type_die): Emit
1628         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1629         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1630
1631 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1632
1633         PR target/43635
1634         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1635         calls for -fpic -m31 if they have been sibcall optimized.
1636
1637 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1638
1639         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1640         ar.lc fixed and call-used.
1641
1642         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1643
1644 2010-04-19  Jan Hubicka  <jh@suse.cz>
1645
1646         * opts.c (decode_options): Disable whpr incompatible passes.
1647         * lto/lto.c (lto_1_to_1_map): Skip clones.
1648         (read_cgraph_and_symbols): Do not mark everything as needed.
1649         (do_whole_program_analysis): Do map only after optimizing;
1650         set proper cgraph_state; use passmanager.
1651
1652 2010-04-19  DJ Delorie  <dj@redhat.com>
1653
1654         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1655         POINTER_PLUS_EXPR and fix them.
1656
1657 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1658
1659         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1660         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1661         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1662         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1663         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1664         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1665         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1666         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1667         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1668         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1669         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1670
1671 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1672
1673         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1674         (check_cond_move_block): Likewise.
1675         (cond_move_process_if_block): Likewise.
1676         (noce_find_if_block): Improve formatting.
1677         (find_if_header): Pass 0 to memset and tweak conditions.
1678         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1679
1680 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1681
1682         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1683         for -gdwarf-4.
1684
1685         PR middle-end/43337
1686         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1687         with non-local decl doesn't need chain.
1688
1689 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1690
1691         * ira-color.c (allocno_reload_assign): Avoid accumulating
1692         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1693
1694 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1695
1696         * gimple.h (create_tmp_reg): Declare.
1697         * gimplify.c (create_tmp_reg): New function.
1698         (gimplify_return_expr): Use create_tmp_reg.
1699         (gimplify_omp_atomic): Likewise.
1700         (gimple_regimplify_operands): Likewise.
1701         * tree-dfa.c (make_rename_temp): Likewise.
1702         * tree-predcom.c (predcom_tmp_var): Likewise.
1703         (reassociate_to_the_same_stmt): Likewise.
1704         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1705         (get_replaced_param_substitute): Likewise.
1706         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1707         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1708         * tree-ssa-pre.c (get_representative_for): Likewise.
1709         (create_expression_by_pieces): Likewise.
1710         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1711         (create_tailcall_accumulator): Likewise.
1712
1713 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1714
1715         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1716         new_stmt.
1717         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1718
1719 2010-04-19  Richard Guenther  <rguenther@suse.de>
1720
1721         PR tree-optimization/43796
1722         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1723         from SCEV in the lattice.
1724         (vrp_visit_phi_node): Dump change.
1725
1726 2010-04-19  Richard Guenther  <rguenther@suse.de>
1727
1728         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1729         * configure: Re-generated.
1730
1731 2010-04-19  Richard Guenther  <rguenther@suse.de>
1732
1733         PR tree-optimization/43783
1734         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1735         constant ARRAY_REF operands two and three if possible.
1736
1737 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1738
1739         PR target/43766
1740         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1741
1742 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1743
1744         PR target/43662
1745         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1746
1747 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1748
1749         PR tree-optimization/37027
1750         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1751         and macro to access it.
1752         (vectorizable_reduction): Add argument.
1753         (vect_get_slp_defs): Likewise.
1754         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1755         statements for possible use in SLP.
1756         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1757         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1758         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1759         add new argument.
1760         (vectorizable_reduction): Likewise.
1761         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1762         vect_get_slp_defs.
1763         (vectorizable_type_demotion, vectorizable_type_promotion,
1764         vectorizable_store): Likewise.
1765         (vect_analyze_stmt): Update call to vectorizable_reduction.
1766         (vect_transform_stmt): Likewise.
1767         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1768         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1769         from different interleaving chains in same node.
1770         (vect_slp_rearrange_stmts): New function.
1771         (vect_supported_load_permutation_p): Allow load permutations for
1772         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1773         inside SLP nodes if necessary.
1774         (vect_analyze_slp_instance): Handle reductions.
1775         (vect_analyze_slp): Try to build SLP instances originating from groups
1776         of reductions.
1777         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1778         (vect_get_constant_vectors): Create initial vectors for reductions
1779         according to reduction code. Add new argument.
1780         (vect_get_slp_defs): Add new argument, pass it to
1781         vect_get_constant_vectors.
1782         (vect_schedule_slp_instance): Remove SLP tree root statements.
1783
1784 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1785
1786         * tree.h (ENUM_IS_SCOPED): Define.
1787         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1788         for ENUM_IS_SCOPED enums.
1789
1790 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1791
1792         * fold-const.c (fold_comparison): Use ssizetype.
1793         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1794         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1795         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1796         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1797
1798         * tree.h (initialize_sizetypes): Remove parameter.
1799         (build_common_tree_nodes): Remove second parameter.
1800         * stor-layout.c (initialize_sizetypes): Remove parameter.
1801         Always create an unsigned type.
1802         (set_sizetype): Assert that the passed type is unsigned and simplify.
1803         * tree.c (build_common_tree_nodes): Remove second parameter.
1804         Adjust call to initialize_sizetypes.
1805         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1806         build_common_tree_nodes.
1807
1808 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1809
1810         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1811
1812 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1813
1814         PR tree-optimization/43771
1815         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1816         load permutation doesn't have gaps.
1817
1818 2010-04-18  Jan Hubicka  <jh@suse.cz>
1819
1820         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1821         (sse_prologue_save_insn expander): Use new pattern.
1822         (sse_prologue_save_insn1): New pattern and splitter.
1823         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1824         blocks.
1825         * i386.c (setup_incoming_varargs_64): Do not compute jump
1826         destination here.
1827         (ix86_gimplify_va_arg): Update alignment needed.
1828         (ix86_local_alignment): Do not align all local arrays to 128bit.
1829
1830 2010-04-17  Jan Hubicka  <jh@suse.cz>
1831
1832         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1833
1834 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1835
1836         * arm.md (negdi2): Remove redundant code to force values into a
1837         register.
1838
1839 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1840
1841         * arm/bpabi.S: Add EABI alignment attributes to objects.
1842         * arm/bpabi-v6m.S: Likewise.
1843         * arm/crti.asm: Likewise.
1844         * arm/crtn.asm: Likewise.
1845         * arm/lib1funcs.asm: Likewise.
1846         * arm/libunwind.S: Likewise.
1847
1848 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1849
1850         * arm-protos.h (tune_params): New structure.
1851         * arm.c (current_tune): New variable.
1852         (arm_constant_limit): Delete.
1853         (struct processors): Add pointer to the tune parameters.
1854         (arm_slowmul_tune): New tuning option.
1855         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1856         (all_cores): Adjust to pick up the tuning model.
1857         (arm_constant_limit): New function.
1858         (arm_override_options): Select the appropriate tuning model.  Delete
1859         initialization of arm_const_limit.
1860         (arm_split_constant): Use the new constant-limit model.
1861         (arm_rtx_costs): Pick up the current tuning model.
1862         * arm.md (is_strongarm, is_xscale): Delete.
1863         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1864         for Xscale variant architectures.
1865         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1866
1867 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1868
1869         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1870         can_shift.
1871         (arm_rtx_costs_1): Remove unused variable extra_cost.
1872         (arm_unwind_emit_set): Use variable offset.
1873         (thumb1_output_casesi): Remove unused variable flags.
1874
1875 2010-04-16  Jeff Law  <law@redhat.com>
1876
1877         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1878         needing assignment rather than doing a two-phase assignment.  Remove
1879         unused variable 'm'.
1880
1881 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1882
1883         PR bootstrap/43767
1884         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1885
1886 2010-04-16  Doug Kwan  <dougkwan@google.com>
1887
1888         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1889         (next_operand_entry_id): New static variable.
1890         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1891         (add_to_ops_vec): Assigned unique ID to operand entry.
1892         (struct oecount_s): New field ID.
1893         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1894         (undistribute_ops_list): Assign unique IDs to oecounts.
1895         (init_reassoc): reset next_operand_entry_id.
1896
1897 2010-04-16  Doug Kwan  <dougkwan@google.com>
1898
1899         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1900         missing left parenthesis.
1901
1902 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1903
1904         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1905         *btdi_rex64 using SWI48 mode iterator.
1906         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1907         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1908         *jcc_btdi_mask_rex64.
1909
1910 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1911
1912         * double-int.h (tree_to_double_int): Convert to macro.
1913         * double-int.c (tree_to_double_int): Remove.
1914
1915 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1916
1917         PR debug/43762
1918         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1919         with want_address 2 and in case a single element list might be
1920         possible, call it again with want_address 0.
1921
1922 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1923
1924         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1925         case 'W' print operands for HI mode.
1926         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1927         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1928         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1929         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1930
1931         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1932
1933         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1934         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1935         #xx:3 and #xx:4 mode.
1936
1937         * config/h8300/h8300.md (inverted load with HImode dest): Add
1938         support for H8300SX.
1939
1940         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1941         satisfy 'U' constraint.
1942
1943 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1944
1945         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1946         * configure: Regenerate.
1947         * config.in: Regenerate.
1948         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1949         works.
1950
1951 2010-04-16  Richard Guenther  <rguenther@suse.de>
1952
1953         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1954         (struct tree_decl_common): ... here.
1955         (DECL_PT_UID): Adjust.
1956         (SET_DECL_PT_UID): Likewise.
1957         (DECL_PT_UID_SET_P): Likewise.
1958
1959 2010-04-16  Richard Guenther  <rguenther@suse.de>
1960
1961         PR tree-optimization/43572
1962         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1963         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1964         * tree-flow.h (is_call_clobbered): Remove.
1965         * tree-flow-inline.h (is_call_clobbered): Likewise.
1966         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1967         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1968         (execute_return_slot_opt): Adjust.
1969         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1970         check for call clobbered vars here.
1971         (find_tail_calls): Move tailcall verification to the
1972         proper place.
1973
1974 2010-04-16  Diego Novillo  <dnovillo@google.com>
1975
1976         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1977
1978 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1979
1980         PR target/40603
1981         * config/arm/arm.md (cbranchqi4): New pattern.
1982         * config/arm/predicates.md (const0_operand,
1983         cbranchqi4_comparison_operator): New predicates.
1984
1985 2010-04-16  Richard Guenther  <rguenther@suse.de>
1986
1987         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1988         (dump_gimple_stmt): Likewise.
1989
1990 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1991
1992         * recog.h (struct recog_data): New field is_operator.
1993         (struct insn_operand_data): New field is_operator.
1994         * recog.c (extract_insn): Set recog_data.is_operator.
1995         * genoutput.c (output_operand_data): Emit code to set the
1996         is_operator field.
1997         * reload.c (find_reloads): Use it rather than testing for an
1998         empty constraint string.
1999
2000         PR target/41514
2001         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
2002         If the previous insn is a cbranchsi4_insn with the same arguments,
2003         omit the compare instruction.
2004
2005         * config/arm/arm.md (addsi3_cbranch): If destination is a high
2006         register, inputs must be low registers and we need a low register
2007         scratch.  Handle alternative 2 like alternative 3.
2008
2009 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
2010
2011         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
2012         don't call get_addr on both.  If one expression is a VALUE and
2013         the other a REG, check VALUE's locs if the REG isn't among them.
2014
2015 2010-04-16  Christian Bruel  <christian.bruel@st.com>
2016
2017         * config/sh/sh.h (sh_frame_pointer_required): New function.
2018         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
2019         (flag_omit_frame_pointer) Set.
2020         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
2021         (rounded_frame_size): Adjust size with outgoing_args_size.
2022         (sh_set_return_address): Must return from stack pointer.
2023         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
2024         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
2025         (ACCUMULATE_OUTGOING_ARGS): Define.
2026         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
2027         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
2028
2029 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2030
2031         PR target/43471
2032         * config/sh/sh.c (sh_legitimize_reload_address): Use
2033         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
2034         Remove a unneeded check for offset_base.
2035
2036 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
2037
2038         * configure: Regenerated.
2039
2040 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2041
2042         * config/s390/s390.c (s390_call_save_register_used): Switch back
2043         to HARD_REGNO_NREGS.
2044
2045 2010-04-15  Richard Guenther  <rguenther@suse.de>
2046
2047         * alias.c (alias_set_subset_of): Handle alias-set zero
2048         child properly.
2049
2050 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2051             Julian Brown  <julian@codesourcery.com>
2052
2053         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2054         alternatives according to use of high and low regs.
2055         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2056         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2057         optimizing for size on Thumb-2.
2058
2059 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2060
2061         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2062
2063 2010-04-15  Richard Guenther  <rguenther@suse.de>
2064
2065         * tree-ssa-structalias.c (struct variable_info): Add
2066         is_fn_info flag.
2067         (new_var_info): Initialize it.
2068         (dump_constraints): Support printing last added constraints.
2069         (debug_constraints): Adjust.
2070         (dump_constraint_graph): Likewise.
2071         (make_heapvar_for): Check for NULL cfun.
2072         (get_function_part_constraint): New function.
2073         (get_fi_for_callee): Likewise.
2074         (find_func_aliases): Properly implement IPA PTA constraints.
2075         (process_ipa_clobber): New function.
2076         (find_func_clobbers): Likewise.
2077         (insert_into_field_list_sorted): Remove.
2078         (create_function_info_for): Properly allocate vars for IPA mode.
2079         Do not use insert_into_field_list_sorted.
2080         (create_variable_info_for): Properly generate constraints for
2081         global vars in IPA mode.
2082         (dump_solution_for_var): Always dump the solution.
2083         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2084         (find_what_var_points_to): Adjust.
2085         (pt_solution_set): Change.
2086         (pt_solution_ior_into): New function.
2087         (pt_solution_empty_p): Export.
2088         (pt_solution_includes_global): Adjust.
2089         (pt_solution_includes_1): Likewise.
2090         (pt_solutions_intersect_1): Likewise.
2091         (dump_sa_points_to_info): Check some invariants.
2092         (solve_constraints): Move constraint dumping ...
2093         (compute_points_to_sets): ... here.
2094         (ipa_pta_execute): ... and here.
2095         (compute_may_aliases): Do not re-compute points-to info
2096         locally if IPA info is available.
2097         (ipa_escaped_pt): New global var.
2098         (ipa_pta_execute): Properly implement IPA PTA.
2099         * tree-into-ssa.c (dump_decl_set): Support dumping
2100         decls not in referenced-vars.
2101         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2102         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2103         (dump_points_to_solution): Likewise.
2104         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2105         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2106         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2107         (copy_decl_to_var): Copy DECL_PT_UID.
2108         (copy_result_decl_to_var): Likewise.
2109         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2110         (copy_node_stat): Copy it.
2111         * tree.h (DECL_PT_UID): New macro.
2112         (SET_DECL_PT_UID): Likewise.
2113         (DECL_PT_UID_SET_P): Likewise.
2114         (struct tree_decl_minimal): Add pt_uid member.
2115         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2116         (pt_solution_empty_p): Declare.
2117         (pt_solution_set): Adjust.
2118         (ipa_escaped_pt): Declare.
2119         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2120         * gimple-pretty-print.c (pp_points_to_solution): New function.
2121         (dump_gimple_call): Dump call clobber/use information.
2122         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2123         * tree-pass.h (TDF_ALIAS): New dump option.
2124         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2125         * doc/invoke.texi (-fipa-pta): Update documentation.
2126
2127 2010-04-15  Richard Guenther  <rguenther@suse.de>
2128
2129         * Makefile.in (OBJS-common): Add gimple-fold.o.
2130         (gimple-fold.o): New rule.
2131         * tree.h (maybe_fold_offset_to_reference,
2132         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2133         prototypes ...
2134         * gimple.h: ... here.
2135         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2136         may_propagate_address_into_dereference): Move prototypes ...
2137         * gimple.h: ... here.
2138         * tree-ssa-ccp.c (get_symbol_constant_value,
2139         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2140         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2141         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2142         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2143         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2144         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2145         gimplify_and_update_call_from_tree): Move ...
2146         * gimple-fold.c: ... here.  New file.
2147         (ccp_fold_builtin): Rename to ...
2148         (gimple_fold_builtin): ... this.
2149         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2150
2151 2010-04-15  Richard Guenther  <rguenther@suse.de>
2152
2153         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2154         fit_double_type, force_fit_type_double, add_double_with_sign,
2155         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2156         lrotate_double, rrotate_double, div_and_round_double): Move ...
2157         * double-int.c: ... here.
2158         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2159         add_double, neg_double, mul_double_with_sign, mul_double,
2160         lshift_double, rshift_double, lrotate_double, rrotate_double,
2161         div_and_round_double): Move prototypes ...
2162         * double-int.h: ... here.
2163
2164 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2165
2166         PR target/43742
2167         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2168         matching constraints to ensure inputs match the output.
2169
2170 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2171
2172         PR target/43742
2173         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2174         in an input-only operand.
2175
2176 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2177
2178         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2179         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2180         (double_int_negative_p): Convert to static inline function.
2181         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2182         (double_int_negative_p): Remove.
2183         * tree.h (lshift_double, rshift_double):
2184         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2185         * fold-const.c (fold_convert_const_int_from_real,
2186         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2187         (lshift_double): Change type of arith argument to bool.
2188         (rshift_double): Change type of arith argument to bool. Correct
2189         comment.
2190         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2191
2192 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2193
2194         PR target/21803
2195         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2196         at the start and end of the then/else blocks, and omit them from the
2197         conversion.
2198         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2199         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2200         (flow_find_head_matching_sequence): New function.
2201         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2202         * basic-block.h (flow_find_cross_jump,
2203         flow_find_head_matching_sequence): Declare functions.
2204
2205 2010-04-14  Jason Merrill  <jason@redhat.com>
2206
2207         PR c++/36625
2208         * c-common.c (attribute_takes_identifier_p): New fn.
2209         * c-common.h: Declare it.
2210
2211 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2212
2213         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2214         splitter condition.
2215         (*udivmod<mode>4): Ditto.
2216
2217 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2218
2219         * config/i386/i386.md (maxmin_int): Rename code attribute from
2220         maxminiprefix and update all users.
2221         (maxmin_float): Ditto from maxminfprefix.
2222         (logic): Ditto from logicprefix.
2223         (absneg_mnemonic): Ditto from absnegprefix.
2224         * config/i386/mmx.md: Update all users of maxminiprefix,
2225         maxminfprefix and logicprefix for rename.
2226         * config/i386/sse.md: Ditto.
2227         * config/i386/sync.md (sync_<code><mode>): Update for
2228         logicprefix rename.
2229
2230 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2231
2232         PR 42966
2233         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2234         warnings converted to errors.
2235
2236 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2237
2238         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2239         used insn_type variable.
2240         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2241         to avoid set-but-not-used warning.
2242
2243 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2244
2245         * df-core.c (df_ref_debug): Change format string placeholder
2246         from 0x%x to %#x.
2247         * dwarf2asm.c (dw2_asm_output_data_raw,
2248         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2249         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2250         * dwarf2out.c (output_cfi, output_cfi_directive,
2251         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2252         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2253         Ditto.
2254         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2255         * print-rtl.c (print_rtx): Ditto.
2256
2257 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2258
2259         PR middle-end/42694
2260         * builtins.c (expand_builtin_pow_root): New function to expand pow
2261         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2262         series of sqrt and cbrt calls under -ffast-math.
2263         (expand_builtin_pow): Call it.
2264
2265 2010-04-14  Michael Matz  <matz@suse.de>
2266
2267         PR tree-optimization/42963
2268         * tree-cfg.c (touched_switch_bbs): New static variable.
2269         (group_case_labels_stmt): New function broken out from ...
2270         (group_case_labels): ... here, use the above.
2271         (start_recording_case_labels): Allocate touched_switch_bbs.
2272         (end_recording_case_labels): Deallocate it, call
2273         group_case_labels_stmt.
2274         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2275
2276 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2277
2278         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2279         from insn template.
2280
2281 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2282
2283         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2284
2285 2010-04-13  Jan Hubicka  <jh@suse.cz>
2286
2287         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2288         of optimized out static functions.
2289         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2290         cost computation.  Also sanity check for overflows.
2291         (update_caller_keys): Update cgraph_edge_badness call; properly
2292         update fibheap and sanity check that it is up to date.
2293         (add_new_edges_to_heap): Update cgraph_edge_badness.
2294         (cgraph_decide_inlining_of_small_function): Likewise;
2295         add sanity checking that badness in heap is up to date;
2296         improve dumping of reason; Update badness of calls to the
2297         offline copy of function currently inlined; dump badness
2298         of functions not inlined because of unit growth limits.
2299
2300 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2301
2302         PR middle-end/32628
2303         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2304         because of sign-extension change when converting to sizetype here...
2305         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2306
2307         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2308         the folding to constants.  Remove redundant final conversion.
2309         (fold_binary) <associate>: Do not associate if the re-association of
2310         constants alone overflows.
2311         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2312         to the end of the list.
2313         (multiple_of_p) <COND_EXPR>: New case.
2314
2315 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2316
2317         * opt-functions.awk (opt_sanitized_name): New.
2318         (opt_enum): New.
2319         * optc-gen.awk: Use it
2320         * opth-gen.awk: Use it.
2321
2322 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2323
2324         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2325         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2326         children.  Call replace_uses_with_default_def_ssa_name to handle
2327         SSA_NAES on lhs.
2328
2329 2010-04-13  Michael Matz  <matz@suse.de>
2330
2331         PR middle-end/43730
2332         * builtins.c (expand_builtin_interclass_mathfn): Also create
2333         a register if the predicate doesn't match.
2334
2335 2010-04-13  Diego Novillo  <dnovillo@google.com>
2336
2337         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2338         * c-pch.c: Include timevar.h.
2339         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2340         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2341         * ggc-common.c: Include timevar.h.
2342         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2343         * timevar.def (TV_PCH_SAVE): Define.
2344         (TV_PCH_CPP_SAVE): Define.
2345         (TV_PCH_PTR_REALLOC): Define.
2346         (TV_PCH_PTR_SORT): Define.
2347         (TV_PCH_RESTORE): Define.
2348         (TV_PCH_CPP_RESTORE): Define.
2349
2350 2010-04-13  Michael Matz  <matz@suse.de>
2351
2352         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2353         into MINUS_EXPRs.
2354         (can_reassociate_p): New function.
2355         (break_up_subtract_bb, reassociate_bb): Use it.
2356
2357 2010-04-13  Richard Guenther  <rguenther@suse.de>
2358
2359         PR bootstrap/43737
2360         * builtins.c (c_readstr): Fix assert.
2361
2362 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2363
2364         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2365         when generating cltd insn.
2366
2367         (*ashl<mode>3_1): Remove special handling for register operand 2.
2368         (*ashlsi3_1_zext): Ditto.
2369         (*ashlhi3_1): Ditto.
2370         (*ashlhi3_1_lea): Ditto.
2371         (*ashlqi3_1): Ditto.
2372         (*ashlqi3_1_lea): Ditto.
2373         (*<shiftrt_insn><mode>3_1): Ditto.
2374         (*<shiftrt_insn>si3_1_zext): Ditto.
2375         (*<shiftrt_insn>qi3_1_slp): Ditto.
2376         (*<rotate_insn><mode>3_1): Ditto.
2377         (*<rotate_insn>si3_1_zext): Ditto.
2378         (*<rotate_insn>qi3_1_slp): Ditto.
2379
2380 2010-04-13  Richard Guenther  <rguenther@suse.de>
2381
2382         * tree-ssa-structalias.c (callused_id): Remove.
2383         (call_stmt_vars): New.
2384         (get_call_vi): Likewise.
2385         (lookup_call_use_vi): Likewise.
2386         (lookup_call_clobber_vi): Likewise.
2387         (get_call_use_vi): Likewise.
2388         (get_call_clobber_vi): Likewise.
2389         (make_transitive_closure_constraints): Likewise.
2390         (handle_const_call): Adjust to do per-call call-used handling.
2391         (handle_pure_call): Likewise.
2392         (find_what_var_points_to): Remove general callused handling.
2393         (init_base_vars): Likewise.
2394         (init_alias_vars): Initialize call_stmt_vars.
2395         (compute_points_to_sets): Process call-used and call-clobbered
2396         vars for call statements.
2397         (delete_points_to_sets): Free call_stmt_vars.
2398
2399 2010-04-13  Richard Guenther  <rguenther@suse.de>
2400
2401         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2402         Only add RW dependence for dependence distance zero.
2403         Adjust maximal vectorization factor according to dependences.
2404         Move alignment handling ...
2405         (vect_find_same_alignment_drs): ... here.  New function.
2406         (vect_analyze_data_ref_dependences): Adjust.
2407         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2408         (vect_analyze_data_refs): Adjust minimal vectorization factor
2409         according to data references.
2410         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2411         dependences before determining the vectorization factor.
2412         Analyze alignment after determining the vectorization factor.
2413         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2414         dependences before alignment.
2415         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2416         Adjust prototype.
2417         (vect_analyze_data_refs): Likewise.
2418         (MAX_VECTORIZATION_FACTOR): New define.
2419
2420 2010-04-13  Duncan Sands  <baldrick@free.fr>
2421
2422         * except.h (lang_eh_type_covers): Remove.
2423         * except.c (lang_eh_type_covers): Likewise.
2424
2425 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2426             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2427
2428         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2429         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2430         UNITS_PER_LONG where it is ABI relevant.
2431         (s390_return_addr_rtx): Likewise.
2432         (s390_back_chain_rtx): Likewise.
2433         (s390_frame_area): Likewise.
2434         (s390_frame_info): Likewise.
2435         (s390_initial_elimination_offset): Likewise.
2436         (save_gprs): Likewise.
2437         (s390_emit_prologue): Likewise.
2438         (s390_emit_epilogue): Likewise.
2439         (s390_function_arg_advance): Likewise.
2440         (s390_function_arg): Likewise.
2441         (s390_va_start): Likewise.
2442         (s390_gimplify_va_arg): Likewise.
2443         (s390_function_profiler): Likewise.
2444         (s390_optimize_prologue): Likewise.
2445         (s390_rtx_costs): Likewise.
2446         (s390_secondary_reload): Likewise.
2447         (s390_promote_function_mode): Likewise.
2448         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2449         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2450         registers available.
2451         (s390_unwind_word_mode): New function.
2452         (s390_function_value): Split 64 bit values into register pair if
2453         used as return value.
2454         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2455         function call parameters.  Handle parallels.
2456         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2457         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2458         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2459         (s390_expand_setmem): Remove unused variable src_addr.
2460         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2461         deal with 64 bit registers.
2462         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2463         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2464         (UNITS_PER_LONG): New macro.
2465         * libjava/include/s390-signal.h: Define extended ucontext
2466         structure containing the upper halfs of the 64 bit registers.
2467
2468 2010-04-13  Simon Baldwin  <simonb@google.com>
2469
2470         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2471
2472 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2473
2474         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2475         rvalue on the RHS if the LHS is of a non-renamable type.
2476         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2477
2478 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2479
2480         * gcc.c (cc1_options): Handle -iplugindir before processing
2481         the cc1 spec. Only add -iplugindir once.
2482         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2483         found.
2484         * common.opt (iplugindir): Remove `Separate' property, initialize.
2485         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2486         option.
2487         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2488         (distclean): Remove plugin dir.
2489         * doc/invoke.texi: Document -iplugindir.
2490
2491 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2492
2493         * doc/plugins.texi (Loading Plugins): Document short
2494         -fplugin=foo option.
2495         (Plugin API): Mention default_plugin_dir_name function.
2496
2497         * gcc.c (find_file_spec_function): Add new declaration.
2498         (static_spec_func): Use it for "find-file".
2499         (find_file_spec_function): Add new function.
2500         (cc1_options): Add -iplugindir option if -fplugin* options found.
2501
2502         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2503
2504         * plugin.c (add_new_plugin): Updated comment, and handle short
2505         plugin name.
2506         (default_plugin_dir_name): Added new function.
2507
2508         * common.opt (iplugindir): New option to set the plugin directory.
2509
2510 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2511
2512         * config/i386/i386.md (any_rotate): New code iterator.
2513         (rotate_insn): New code attribute.
2514         (rotate): Ditto.
2515         (SWIM124): New mode iterator.
2516         (<rotate_insn>ti3): New expander.
2517         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2518         any_rotate code iterator.
2519         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2520         using any_rotate code iterator and SWIM124 mode iterator.
2521         (ix86_rotlti3): New insn_and_split pattern.
2522         (ix86_rotrti3): Ditto.
2523         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2524         ix86_rotl{di,ti}3 patterns.
2525         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2526         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2527         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2528         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2529         code iterator and SWI mode iterator.
2530         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2531         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2532         code iterator.
2533         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2534         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2535         (bswap rotatert splitter): Add splitter.
2536         (bswap splitter): Macroize splitter using any_rotate code iterator.
2537         Add insn predicate to split only for TARGET_USE_XCHGB or when
2538         optimizing function for size.
2539
2540 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2541
2542         * config/pa/pa.c (emit_move_sequence): Remove use of
2543         deleted variable flag_argument_noalias.
2544
2545 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2546
2547         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2548         configurations.
2549         Add to unsupported targets list.
2550         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2551         sparc*-sun-solaris2.[567]* from target lists.
2552         * configure: Regenerate.
2553         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2554         removal.
2555         Remove Solaris 7 patch references.
2556         (Specific, sparc-sun-solaris2.7): Removed.
2557         (sparc-sun-solaris2*): Update Solaris 7 example.
2558         (sparc64-*-solaris2*): Likewise.
2559
2560 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2561
2562         * config.build (alpha*-dec-osf4*): Remove.
2563         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2564         of obsolete configurations.
2565         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2566         support.
2567         * config/alpha/t-osf4: Renamed to ...
2568         * config/alpha/t-osf5: ... this.
2569         * config/alpha/osf.h: Renamed to ...
2570         * config/alpha/osf5.h: ... this.
2571         Merged old osf5.h contents.
2572         Update comments.
2573         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2574         (EXTRA_SPECS): Removed.
2575         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2576         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2577         Document that.
2578
2579 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2580
2581         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2582
2583 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2584
2585         PR/43702
2586         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2587         __thiscall convention.
2588
2589 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2590
2591         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2592         orig_base.
2593         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2594
2595 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2596
2597         * function.c (assign_parms_initialize_all): Add unused attribute
2598         to fntype.
2599
2600 2010-04-12  Richard Guenther  <rguenther@suse.de>
2601
2602         * gsstruct.def (GSS_CALL): New.
2603         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2604         * gimple.h: Include tree-ssa-alias.h.
2605         (struct gimple_statement_call): New.
2606         (union gimple_statement_struct_d): Add gimple_call member.
2607         (gimple_call_reset_alias_info): Declare.
2608         (gimple_call_use_set): New function.
2609         (gimple_call_clobber_set): Likewise.
2610         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2611         * gimple.c (gimple_call_reset_alias_info): New function.
2612         (gimple_build_call_1): Call it.
2613         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2614         * tree-inline.c (remap_gimple_stmt): Likewise.
2615         (expand_call_inline): Remove callused handling.
2616         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2617         * tree-dfa.c (dump_variable): Likewise.
2618         * tree-parloops.c (parallelize_loops): Likewise.
2619         * tree-ssa.c (init_tree_ssa): Likewise.
2620         (delete_tree_ssa): Likewise.
2621         * tree-flow-inline.h (is_call_used): Remove.
2622         * tree-flow.h (struct gimple_df): Remove callused member.
2623         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2624         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2625         (ref_maybe_used_by_call_p_1): Simplify.
2626         (call_may_clobber_ref_p_1): Likewise.
2627         * tree-ssa-structalias.c (compute_points_to_sets): Set
2628         the call stmt used and clobbered sets.
2629         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2630         (find_tail_calls): Verify the tail call.
2631
2632 2010-04-12  Richard Guenther  <rguenther@suse.de>
2633
2634         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2635         single-iteration always-inline inlining.
2636         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2637         (cgraph_decide_inlining): Do not handle always-inline specially.
2638         (try_inline): Remove always-inline cycle detection special case.
2639         Do not recurse on always-inlines.
2640         (cgraph_early_inlining): Do not iterate if not optimizing.
2641         (cgraph_gate_early_inlining): remove.
2642         (pass_early_inline): Run unconditionally.
2643         (gate_cgraph_decide_inlining): New function.
2644         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2645         not inlining or optimizing.
2646         (cgraph_decide_inlining_of_small_functions): Also consider
2647         always-inline functions.
2648         (cgraph_default_inline_p): Return true for nodes which should
2649         disregard inline limits.
2650         (estimate_function_body_sizes): Assume zero size and time for
2651         nodes which are marked as disregarding inline limits.
2652         (cgraph_decide_recursive_inlining): Do not perform recursive
2653         inlining on always-inline nodes.
2654
2655 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2656
2657         PR bootstrap/43699
2658         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2659         for exprs satisfying handled_component_p.
2660
2661 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2662
2663         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2664         non-constant aggregate elements.
2665
2666         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2667         is a real initialization.
2668
2669 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2670
2671         PR c/36774
2672         * c-decl.c (start_function): Move forward check for nested function.
2673
2674 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2675
2676         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2677         * config/sh/sh.c: Include reload.h.
2678         (sh_legitimize_reload_address): New.
2679         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2680         sh_legitimize_reload_address.
2681
2682 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2683
2684         * config/sh/sh.md (*movqi_pop): New insn pattern.
2685         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2686
2687 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2688
2689         * config/i386/i386.md (any_shiftrt): New code iterator.
2690         (shiftrt_insn): New code attribute.
2691         (shiftrt): Ditto.
2692         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2693         using any_shiftrt code iterator.
2694         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2695         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2696         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2697         pattern from corresponding peephole2 patterns.
2698         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2699         using any_shiftrt code iterator.
2700         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2701         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2702         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2703         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2704         *{ashr,lshr}<mode>3_cmp_zext.
2705         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2706
2707 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2708
2709         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2710         scratch register.
2711         (*lshr<mode>3_cconly): Ditto.
2712
2713 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2714
2715         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2716         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2717         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2718         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2719         DWI mode iterator.
2720         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2721         from corresponding peephole2 patterns.
2722         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2723         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2724         and *lshrdi3_1_rex64 using SWI mode iterator.
2725         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2726         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2727         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2728         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2729         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2730         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2731         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2732         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2733         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2734         SWI mode iterator.
2735
2736 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2737
2738         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2739         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2740         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2741         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2742         DWI mode iterator.
2743         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2744         from corresponding peephole2 patterns.
2745         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2746         (ashrsi3_cvt): Rename from ashrsi3_31.
2747         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2748         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2749         and x86_64_shift_adj_3 using SWI48 mode iterator.
2750         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2751         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2752         and *ashrdi3_1_rex64 using SWI mode iterator.
2753         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2754         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2755         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2756         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2757         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2758         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2759         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2760         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2761         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2762         SWI mode iterator.
2763         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2764         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2765         x86_shift<mode>_adj_3 expanders.
2766
2767 2010-04-10  Wei Guozhi  <carrot@google.com>
2768
2769         PR target/42601
2770         * config/arm/arm.c (arm_pic_static_addr): New function.
2771         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2772         a static symbol.
2773         (arm_output_addr_const_extra): Output expression for new pattern.
2774         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2775
2776 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2777
2778         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2779         not enabled.
2780
2781         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2782         * web.c: Include "insn-config.h" and "recog.h".
2783         (union_match_dups): New function.
2784         (web_main): Call it.
2785         (union_defs): Don't try to recognize match_dups.
2786
2787         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2788         if doing so would replace the entire pattern.
2789
2790 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2791
2792         PR target/43707
2793         PR target/43709
2794         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2795         and splitter pattern.  Change splitter operand 1 predicate to
2796         nonmemory_operand.
2797
2798 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2799
2800         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2801         lattices are addresses of CONST_DECLs with the same initial value.
2802         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2803         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2804
2805 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2806             Bernd Schmidt  <bernds@codesourcery.com>
2807
2808         * loop-invariant.c (replace_uses): New static function.
2809         (move_invariant_reg): Use it to ensure we can replace the uses.
2810
2811 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2812
2813         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2814         function template.
2815         (picochip_override_options): Enable section anchors only above -O1.
2816         (picochip_reorg): Fixed a couple of build warnings.
2817
2818 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2819
2820         * configure.ac (plugin -rdynamic test): Log result.
2821         * configure: Regenerate.
2822         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2823         (RDYNAMIC_SPEC): Define.
2824         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2825
2826 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2827
2828         * configure.ac: Determine Sun ld version numbers.
2829         (comdat_group): Restrict GNU ld version checks to gld.
2830         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2831         (enable_comdat): Support --enable-comdat.
2832         * configure: Regenerate.
2833         * doc/install.texi (Configuration): Document --enable-comdat.
2834
2835 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2836
2837         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2838         * config/sol2-gld.h: ... here.
2839         * config.gcc (sparc*-*-solaris2*): Reflect this.
2840         (i[34567]86-*-solaris2*): Use it.
2841
2842 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2843
2844         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2845         setup_clocks_p.
2846         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2847
2848 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2849
2850         PR 42965
2851         * diagnostic.c (diagnostic_initialize): Initialize
2852         some_warnings_are_errors.
2853         (diagnostic_finish): New.
2854         (diagnostic_action_after_output): Call it before exiting.
2855         (diagnostic_report_diagnostic): Do not print message here. Set
2856         some_warnings_are_errors.
2857         * diagnostic.h (diagnostic_context): Delete
2858         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2859         (diagnostic_finish): Declare.
2860         * toplev.c (toplev_main): Call it before exit.
2861
2862 2010-04-09  Jason Merrill  <jason@redhat.com>
2863
2864         PR c++/42623
2865         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2866         for incomplete type.
2867
2868         PR c++/41788
2869         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2870         based on a warning flag.
2871
2872 2010-04-09  Richard Guenther  <rguenther@suse.de>
2873
2874         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2875
2876 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2877
2878         PR bootstrap/43684
2879         * varasm.c (default_assemble_visibility): Wrap vars that are
2880         set, but unused, by targets without GAS.
2881         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2882         Remove set, but unused, vars.
2883         (rs6000_legitimize_tls_address): Likewise.
2884         (altivec_expand_dst_builtin): Likewise.
2885         * config/darwin.c (machopic_classify_symbol): Likewise.
2886         (machopic_indirection_name): Likewise.
2887
2888 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2889
2890         * config/i386/i386.md (DWI): New mode iterator.
2891         (S): New mode attribute.
2892         (shift_operand): Ditto.
2893         (shift_immediate_operand): Ditto.
2894         (ashl_input_operand): Ditto.
2895         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2896         using SDWIM mode iterator.
2897         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2898         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2899         DWI mode iterator.
2900         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2901         from corresponding peephole2 patterns.
2902         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2903         and x86_64_shift_adj_1 using SWI48 mode iterator.
2904         (x86_shift<mode>_adj_2): Ditto.
2905         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2906         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2907         using SWI48 mode iterator.
2908         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2909         *ashldi3_cmp_rex64 using SWI mode iterator.
2910         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2911         *ashldi3_cconly_rex64 using SWI mode iterator.
2912         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2913         x86_shift<mode>_adj_{1,2}.
2914         (ix86_split_ashr): Ditto.
2915         (ix86_split_lshr): Ditto.
2916
2917 2010-04-09  Richard Guenther  <rguenther@suse.de>
2918
2919         * target.h (builtin_conversion): Pass in input and output types.
2920         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2921         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2922         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2923         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2924
2925         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2926         Handle AVX modes.
2927         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2928
2929 2010-04-09  Richard Guenther  <rguenther@suse.de>
2930
2931         PR target/43152
2932         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2933
2934 2010-04-09  Richard Guenther  <rguenther@suse.de>
2935
2936         * tree-vectorizer.h (struct _stmt_vec_info): Document
2937         that vectype is the type of the LHS.
2938         (supportable_widening_operation, supportable_narrowing_operation):
2939         Get both input and output vector types as arguments.
2940         (vect_is_simple_use_1): Declare.
2941         (get_same_sized_vectype): Likewise.
2942         * tree-vect-loop.c (vect_determine_vectorization_factor):
2943         Set STMT_VINFO_VECTYPE to the vector type of the def.
2944         (vectorizable_reduction): Adjust.
2945         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2946         Adjust.  Specify the output vector type.
2947         (vect_pattern_recog_1): Adjust.
2948         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2949         (vectorizable_call): Adjust.
2950         (vectorizable_conversion): Likewise.
2951         (vectorizable_operation): Likewise.
2952         (vectorizable_type_demotion): Likewise.
2953         (vectorizable_type_promotion): Likewise.
2954         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2955         the def.
2956         (vect_is_simple_use_1): New function.
2957         (supportable_widening_operation): Get both input and output
2958         vector types.
2959         (supportable_narrowing_operation): Likewise.
2960         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2961
2962 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2963
2964         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2965         __thiscall and _thiscall as predefined macros.
2966         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2967         thiscall attribute handling.
2968         (ix86_comp_type_attributes): Likewise.
2969         (ix86_function_regparm): Likewise.
2970         (ix86_return_pops_args): Likewise.
2971         (init_cumulative_args): Likewise.
2972         (find_drap_reg): Likewise.
2973         (ix86_static_chain): Likewise.
2974         (x86_this_parameter): Likewise.
2975         (x86_output_mi_thunk): Likewise.
2976         (ix86_attribute_table): Add description for thiscall attribute.
2977         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2978         * doc/extend.texi: Add documentation for thiscall.
2979
2980 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2981
2982         PR c++/28584
2983         * c.opt (Wint-to-pointer-cast): Available in C++.
2984         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2985
2986 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2987
2988         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2989         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2990         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2991         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2992         function type instead.  Reorder and simplify checks.
2993
2994         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2995
2996 2010-04-08  Jing Yu  <jingyu@google.com>
2997             Zdenek Dvorak  <ook@ucw.cz>
2998
2999         PR tree-optimization/42720
3000         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
3001         loop unswitch conditions here from ...
3002         (tree_unswitch_single_loop): ... here.
3003
3004 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3005
3006         * tree-if-conv.c: Fix comments and simplify logic.
3007
3008 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
3009
3010         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
3011         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
3012         (main_tree_if_conversion): Update call to tree_if_conversion.
3013
3014 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
3015
3016         PR 42485
3017         * doc/invoke.texi (-b,-V): Delete.
3018         * doc/tm.texi: Do not mention -b.
3019         * gcc.c (display_help): Delete -b and -V.
3020         (process_command): Delete -b and -V.
3021         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
3022
3023 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
3024             Wolfgang Gellerich  <gellerich@de.ibm.com>
3025
3026         Implement target hook for loop unrolling
3027         * target.h (loop_unroll_adjust): Add a new target hook function.
3028         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
3029         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
3030         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
3031         (s390_loop_unroll_adjust): Implement the new target hook for s390.
3032         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
3033         target hook.
3034         (decide_unroll_stupid): Likewise.
3035
3036 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3037
3038         PR target/43643
3039         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3040
3041 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3042
3043         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3044         (Specific, *-*-solaris2*): Likewise.
3045         Don't prefer Sun as over GNU as.
3046
3047 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
3048
3049         * config/s390/s390.c (override_options): Adjust the z10
3050           defaults for max-unroll-times, max-completely-peeled-insns
3051           and max-completely-peel-times.
3052
3053 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3054
3055         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3056         instructions for z10.
3057         (s390_expand_setmem): Likewise.
3058         (s390_expand_cmpmem): Likewise.
3059
3060 2010-04-08  Richard Guenther  <rguenther@suse.de>
3061
3062         PR tree-optimization/43679
3063         * tree-ssa-pre.c (eliminate): Only propagate copies.
3064
3065 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3066
3067         PR bootstrap/43681
3068         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3069         set but not used variable warning.
3070
3071 2010-04-08  Wei Guozhi  <carrot@google.com>
3072
3073         PR target/41653
3074         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3075         (arm_size_rtx_costs): Call the new function when optimized for size.
3076
3077 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3078
3079         PR debug/43670
3080         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3081         op0 is not a MEM, just return NULL instead of assertion
3082         failure.
3083         (discover_nonconstant_array_refs): Don't walk debug stmts.
3084
3085 2010-04-08  Doug Kwan  <dougkwan@google.com>
3086
3087         * configure.ac: Recognize gold and do not use its version number
3088         to test ld features.
3089         * configure: Regenerate.
3090
3091 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
3092
3093         PR middle-end/40815
3094         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3095         (negate_value): Move code to push elements to broken_up_substracts ...
3096         (eliminate_plus_minus_pair): ... here.  Push operands that have no
3097         negative pair to plus_negates.
3098         (repropagate_negates, init_reassoc, fini_reassoc): Update.
3099
3100 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3101
3102         * doc/install.texi (Configuration): Move description of
3103         --enable-lto, --with-libelf*, --enable-gold from Java section to
3104         general section.
3105
3106         * doc/generic.texi (Working with declarations)
3107         (Function Properties, C and C++ Trees): Fix typos.
3108         * doc/sourcebuild.texi (Top Level): Likewise.
3109
3110 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3111
3112         PR c/18624
3113         * tree.h (DECL_READ_P): Define.
3114         (struct tree_decl_common): Add decl_read_flag.
3115         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3116         a set but not used warning.
3117         (merge_decls): Merge DECL_READ_P flag.
3118         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3119         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3120         * c-common.c (handle_used_attribute, handle_unused_attribute):
3121         Likewise.
3122         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3123         New prototypes.
3124         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3125         New functions.
3126         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3127         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3128         c_parser_binary_expression, c_parser_cast_expression,
3129         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3130         Call default_function_array_read_conversion instead of
3131         default_function_array_conversion where needed.
3132         (c_parser_unary_expression, c_parser_conditional_expression,
3133         c_parser_postfix_expression_after_primary, c_parser_initelt):
3134         Likewise.  Call mark_exp_read where needed.
3135         (c_parser_statement_after_labels, c_parser_asm_operands,
3136         c_parser_typeof_specifier, c_parser_sizeof_expression,
3137         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3138         where needed.
3139         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3140         New.
3141         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3142         (warn_unused_but_set_parameter): Default to warn_unused
3143         && extra_warnings.
3144         * doc/invoke.texi: Document -Wunused-but-set-variable and
3145         -Wunused-but-set-parameter.
3146
3147         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3148         used count variable.
3149         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3150         when operandN variables aren't used in the body of the expander
3151         or splitter.
3152         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3153         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3154         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3155         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3156         FOR_EACH_IMM_USE_ON_STMT): Likewise.
3157         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3158         * tree.c (PROCESS_ARG): Likewise.
3159
3160 2010-04-07  Simon Baldwin  <simonb@google.com>
3161
3162         * diagnostic.h (diagnostic_override_option_index): New macro to
3163         set a diagnostic's option_index.
3164         * c-tree.h (c_cpp_error): Add warning reason argument.
3165         * opts.c (_warning_as_error_callback): New.
3166         (register_warning_as_error_callback): Store callback for
3167         warnings enabled via enable_warning_as_error.
3168         (enable_warning_as_error): Call callback, minor code tidy.
3169         * opts.h (register_warning_as_error_callback): Declare.
3170         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3171         response to -Werror=.
3172         (c_common_init_options): Register warning_as_error_callback in opts.c.
3173         * common.opt: Add -Wno-cpp option.
3174         * c-common.c (struct reason_option_codes_t): Map cpp warning
3175         reason codes to gcc option indexes.
3176         * (c_option_controlling_cpp_error): New function, lookup the gcc
3177         option index for a cpp warning reason code.
3178         * (c_cpp_error): Add warning reason argument, call
3179         c_option_controlling_cpp_error for diagnostic_override_option_index.
3180         * doc/invoke.texi: Document -Wno-cpp.
3181
3182 2010-04-07  Richard Guenther  <rguenther@suse.de>
3183
3184         * ipa-reference.c (mark_load): Use get_base_address.
3185         (mark_store): Likewise.
3186
3187         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3188         inserting GIMPLE_NOPs into the IL.
3189         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3190         Explicitly strip handled components and indirect references.
3191
3192         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3193         folding address expressions.
3194         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3195         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3196         operand_equal_p to compare decls.
3197         (ptr_deref_may_alias_decl_p): Likewise.
3198         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3199         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3200         Handle reversed comparison ops.
3201         * tree-sra.c (asm_visit_addr): Use get_base_address.
3202         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3203         * ipa-reference.c (mark_address): Use get_base_address.
3204
3205 2010-04-07  Richard Guenther  <rguenther@suse.de>
3206
3207         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3208         Propagate constants everywhere.
3209
3210 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3211
3212         PR debug/43516
3213         * tree.c (MAX_INT_CACHED_PREC): Define.
3214         (nonstandard_integer_type_cache): New array.
3215         (build_nonstandard_integer_type): Cache results for precision
3216         <= MAX_INT_CACHED_PREC.
3217
3218 2010-04-07  Richard Guenther  <rguenther@suse.de>
3219
3220         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3221         -fargument-noalias-global, -fargument-noalias-anything): Remove.
3222         * common.opt: Likewise.
3223         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3224         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3225         (nonoverlapping_memrefs_p): Likewise.
3226         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3227         * opts.c (common_handle_option): Handle OPT_fargument_alias,
3228         OPT_fargument_noalias, OPT_fargument_noalias_anything and
3229         OPT_fargument_noalias_global for backward compatibility.
3230
3231 2010-04-07  Richard Guenther  <rguenther@suse.de>
3232
3233         PR tree-optimization/43270
3234         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3235         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3236         * tree-ssa-pre.c (phi_translate_1): Adjust.
3237         (fully_constant_expression): Split out vn_reference handling to ...
3238         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3239         Fold reads from constant strings.
3240         (vn_reference_lookup): Handle fully constant references.
3241         (vn_reference_lookup_pieces): Likewise.
3242         * Makefile.in (expmed.o-warn): Add -Wno-error.
3243
3244 2010-04-07  Martin Jambor  <mjambor@suse.cz>
3245
3246         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3247
3248 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
3249
3250         PR driver/41594
3251         * gcc.c: Add -static-libstdc++ to list of recognized options.
3252
3253 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3254
3255         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3256
3257 2010-04-07  Richard Guenther  <rguenther@suse.de>
3258
3259         PR middle-end/42617
3260         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3261         bases build simple mem attributes to retain points-to information.
3262
3263 2010-04-07  Richard Guenther  <rguenther@suse.de>
3264
3265         PR middle-end/42617
3266         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3267         preserve points-to related information.
3268
3269 2010-04-07  Richard Guenther  <rguenther@suse.de>
3270
3271         PR middle-end/42617
3272         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3273         discard plain indirect references.
3274         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3275         * tree.c (tree_nop_conversion): Likewise.
3276
3277 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
3278
3279         PR debug/43628
3280         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3281
3282 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
3283
3284         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3285         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3286
3287 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3288
3289         * tree-if-conv.c: Fix indentation and comments.
3290
3291 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3292
3293         * tree-if-conv.c: Sort static functions in topological order.
3294
3295 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3296
3297         * tree-if-conv.c: Fix indentation and comments.
3298
3299 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3300
3301         PR middle-end/43519
3302         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3303         lang_hooks.types.type_for_size instead of
3304         build_nonstandard_integer_type.
3305         When converting an unsigned type to signed, double its precision.
3306         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3307         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3308         (graphite_create_new_loop_guard): When ub + 1 wraps around,
3309         use lb <= ub.
3310
3311 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3312
3313         PR middle-end/43519
3314         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3315         POINTER_PLUS_EXPR for pointer types.
3316
3317 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3318
3319         PR middle-end/43519
3320         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3321         * graphite-clast-to-gimple.c: Include langhooks.h.
3322         (max_signed_precision_type): New.
3323         (max_precision_type): Takes two types as arguments.
3324         (precision_for_value): New.
3325         (precision_for_interval): New.
3326         (gcc_type_for_interval): New.
3327         (gcc_type_for_value): New.
3328         (gcc_type_for_clast_term): New.
3329         (gcc_type_for_clast_red): New.
3330         (gcc_type_for_clast_bin): New.
3331         (gcc_type_for_clast_expr): Split up into several functions.
3332         (gcc_type_for_clast_eq): Rewritten.
3333         (compute_bounds_for_level): New.
3334         (compute_type_for_level_1): New.
3335         (compute_type_for_level): New.
3336         (gcc_type_for_cloog_iv): Removed.
3337         (gcc_type_for_iv_of_clast_loop): Rewritten.
3338         (graphite_create_new_loop): Compute the lower and upper bound types
3339         with gcc_type_for_clast_expr.
3340         (graphite_create_new_loop_guard): Same.
3341         (find_cloog_iv_in_expr): Removed.
3342         (compute_cloog_iv_types_1): Removed.
3343         (compute_cloog_iv_types): Removed.
3344         (gloog): Do not call compute_cloog_iv_types.
3345         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3346         GBB_CLOOG_IV_TYPES.
3347         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3348         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3349         (GBB_CLOOG_IV_TYPES): Removed.
3350
3351 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3352
3353         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3354         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3355         (detect_commutative_reduction): Same.
3356
3357 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3358
3359         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3360         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
3361         argument.
3362         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3363         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3364         (rewrite_commutative_reductions_out_of_ssa): Same.
3365         * passes.c (execute_function_todo): Call verify_ssa for every pass
3366         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
3367         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3368         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3369         with an extra argument.
3370         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
3371         verify_ssa only when the extra argument is true.
3372         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3373         with an extra argument.
3374         (tree_transform_and_unroll_loop): Same.
3375
3376 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3377
3378         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3379         for all the passes of the LNO having LOOP_CLOSED_SSA.
3380         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3381         * tree-loop-distribution.c (pass_loop_distribution): Same.
3382         * tree-pass.h (TODO_verify_loops): Removed.
3383         * tree-ssa-loop.c (pass_tree_loop_init): Same.
3384         (pass_lim): Same.
3385         (pass_tree_unswitch): Same.
3386         (pass_predcom): Same.
3387         (pass_vectorize): Same.
3388         (pass_linear_transform): Same.
3389         (pass_graphite_transforms): Same.
3390         (pass_iv_canon): Same.
3391         (pass_complete_unroll): Same.
3392         (pass_complete_unrolli): Same.
3393         (pass_parallelize_loops): Same.
3394         (pass_loop_prefetch): Same.
3395         (pass_iv_optimize): Same.
3396
3397 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
3398
3399         PR middle-end/32824
3400         * passes.c (init_optimization_passes): Move pass_lim before
3401         pass_copy_prop and pass_dce_loop.
3402
3403 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3404
3405         PR target/43667
3406         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3407         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3408         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3409         MULTI_* defines for 4 argument vpermil2p* builtins.
3410
3411 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3412
3413         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3414         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3415         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3416         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3417         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3418         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3419         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3420         Use x86_maybe_negate_const_int to output insn mnemonic.
3421         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3422         check from instruction predicate.  Update comments.
3423         * config/i386/sync.md (sync_add<mode>): Use
3424         x86_maybe_negate_const_int to output insn mnemonic.
3425
3426 2010-04-06  Jan Hubicka  <jh@suse.cz>
3427
3428         PR tree-optimization/42906
3429         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3430         IGNORE_SELF argument.  Set visited_control_parents for fully
3431         processed BBs.
3432         (find_obviously_necessary_stmts): Update call of
3433         mark_control_dependent_edges_necessary.
3434         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3435
3436 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3437
3438         * config/i386/i386.md: Remove comment about 'e' and 'E'
3439         operand modifier.
3440
3441 2010-04-06  Richard Guenther  <rguenther@suse.de>
3442
3443         PR tree-optimization/43627
3444         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3445         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3446         not varying.
3447
3448 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3449
3450         * BASE-VER: Change to 4.6.0.
3451
3452         PR target/43638
3453         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3454         handling.
3455
3456 2010-04-06  Richard Guenther  <rguenther@suse.de>
3457
3458         PR middle-end/43661
3459         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3460
3461 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3462
3463         * doc/invoke.texi (Optimize Options): Document that LTO
3464         won't remove object access purely due to incompatible
3465         declarations.
3466
3467 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3468
3469         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3470         Initialize variable.
3471
3472 2010-04-03  Richard Guenther  <rguenther@suse.de>
3473
3474         PR middle-end/42509
3475         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3476         require a non-NULL MEM_OFFSET.
3477
3478 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3479
3480         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3481         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3482         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3483         config/alpha/predicates.md, config/arm/arm.md,
3484         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3485         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3486         config/darwin9.h, config/darwin.c, config/darwin.h,
3487         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3488         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3489         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3490         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3491         config/mips/mips.md, config/mn10300/mn10300.c,
3492         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3493         config/rs6000/aix.h, config/rs6000/dfp.md,
3494         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3495         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3496         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3497         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3498         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3499         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3500         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3501         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3502         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3503         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3504         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3505         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3506         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3507         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3508         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3509         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3510         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3511         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3512         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3513         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3514         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3515         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3516         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3517         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3518         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3519         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3520         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3521         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3522         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3523         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3524         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3525         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3526         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3527         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3528         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3529         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3530
3531 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3532
3533         PR other/43620
3534         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3535         * aclocal.m4: Regenerate.
3536
3537 2010-04-02  Richard Guenther  <rguenther@suse.de>
3538
3539         PR tree-optimization/43629
3540         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3541         if we have seen a constant value.
3542
3543 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3544
3545         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3546
3547 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3548
3549         PR target/43469
3550         * arm.c (legitimize_tls_address): Adjust call to
3551         gen_tls_load_dot_plus_four.
3552         (arm_note_pic_base): New function.
3553         (arm_cannot_copy_insn_p): Use it.
3554         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3555         constraint.
3556
3557 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3558
3559         PR bootstrap/43531
3560
3561         Revert:
3562         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3563
3564         * Makefile.in ($(out_object_file)): Depend on
3565         gt-$(basename $(notdir $(out_file))).h.
3566
3567 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3568
3569         * config.gcc (lm32-*-rtems*): Add t-lm32.
3570
3571 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3572
3573         * config.gcc: Add lm32-*-rtems*.
3574         * config/lm32/rtems.h: New file.
3575
3576 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3577
3578         PR target/42609
3579         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3580
3581 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3582
3583         * dwarf2out.c (output_compilation_unit_header): For
3584         -gdwarf-4 use version 4 instead of version 3.
3585         (output_line_info): For version 4 and above emit additional
3586         maximum ops per insn header field.
3587         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3588
3589         * dwarf2out.c (is_c_family, is_java): Remove.
3590         (lower_bound_default): New function.
3591         (add_bound_info, gen_descr_array_type_die): Use it.
3592
3593 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3594
3595         PR debug/43325
3596         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3597         re-declaration when it happens in a function.
3598
3599 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3600
3601         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3602         (cgraph_remove_function_insertion_hook): Same.
3603         (cgraph_call_function_insertion_hooks): Same.
3604
3605 2010-04-01  Richard Guenther  <rguenther@suse.de>
3606
3607         PR middle-end/43614
3608         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3609         and TREE_THIS_VOLATILE.
3610         (copy_ref_info): Likewise.
3611         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3612         * tree.c (build6_stat): Ignore side-effects of all but arg5
3613         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3614         TARGET_MEM_REF.
3615
3616 2010-04-01  Richard Guenther  <rguenther@suse.de>
3617
3618         PR tree-optimization/43607
3619         * ipa-type-escape.c (check_call): Do not access non-existing
3620         arguments.
3621
3622 2010-04-01  Richard Guenther  <rguenther@suse.de>
3623
3624         PR middle-end/43602
3625         Revert
3626         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3627                     Jack Howarth <howarth@bromo.med.uc.edu>
3628
3629         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3630         variables TLS.
3631
3632 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3633
3634         * doc/install.texi (Prerequisites): Document libelf usability on
3635         IRIX 5/6 and Solaris 2.
3636         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3637         Update GNU as, GNU ld requirements.
3638         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3639         Document Sun Studio compiler download.
3640         Update and simplify as, ld recommendations.
3641         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3642
3643 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3644
3645         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3646         with_tune_32 to pentium4.
3647
3648 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3649
3650         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3651
3652 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3653
3654         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3655         obsoletion, removal.
3656         Update IDO URL.
3657         Document GNU as requirement.
3658         Update configure requirements.
3659         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3660         Recomment IRIX 6.5.18+.
3661         Document IDF/IDL requirement.
3662         Document GNU as requirement.
3663         Document GNU ld bootstrap failure.
3664         Remove freeware.sgi.com reference.
3665
3666 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3667
3668         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3669         UNIX V4.0, V5.0 obsoletion, removal.
3670         Remove --with-gc=simple reference.
3671         Update VM requirements during bootstrap.
3672         Remove -oldas bootstrap description.
3673         Update binutils reference.
3674         Remove comparison failure note.
3675
3676 2010-03-31  Richard Guenther  <rguenther@suse.de>
3677             Zdenek Dvorak  <ook@ucw.cz>
3678             Sebastian Pop  <sebastian.pop@amd.com>
3679
3680         PR middle-end/43464
3681         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3682         with multiple arguments.
3683         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3684
3685 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3686
3687         * graphite-dependences.c (print_pddr): Call print_pdr with an
3688         extra argument.
3689         * graphite-poly.c (debug_pdr): Add an extra argument for the
3690         verbosity level.
3691         (print_pdr): Same.
3692         (print_pbb_domain): Same.
3693         (print_pbb): Same.
3694         (print_scop_context): Same.
3695         (print_scop): Same.
3696         (print_cloog): Same.
3697         (debug_pbb_domain): Same.
3698         (debug_pbb): Same.
3699         (print_pdrs): Same.
3700         (debug_pdrs): Same.
3701         (debug_scop_context): Same.
3702         (debug_scop): Same.
3703         (debug_cloog): Same.
3704         (print_scop_params): Same.
3705         (debug_scop_params): Same.
3706         (print_iteration_domain): Same.
3707         (print_iteration_domains): Same.
3708         (debug_iteration_domain): Same.
3709         (debug_iteration_domains): Same.
3710         (print_scattering_function): Same.
3711         (print_scattering_functions): Same.
3712         (debug_scattering_function): Same.
3713         (debug_scattering_functions): Same.
3714         * graphite-poly.h (debug_pdr): Update declaration.
3715         (print_pdr): Same.
3716         (print_pbb_domain): Same.
3717         (print_pbb): Same.
3718         (print_scop_context): Same.
3719         (print_scop): Same.
3720         (print_cloog): Same.
3721         (debug_pbb_domain): Same.
3722         (debug_pbb): Same.
3723         (print_pdrs): Same.
3724         (debug_pdrs): Same.
3725         (debug_scop_context): Same.
3726         (debug_scop): Same.
3727         (debug_cloog): Same.
3728         (print_scop_params): Same.
3729         (debug_scop_params): Same.
3730         (print_iteration_domain): Same.
3731         (print_iteration_domains): Same.
3732         (debug_iteration_domain): Same.
3733         (debug_iteration_domains): Same.
3734         (print_scattering_function): Same.
3735         (print_scattering_functions): Same.
3736         (debug_scattering_function): Same.
3737         (debug_scattering_functions): Same.
3738
3739 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3740
3741         * graphite-poly.c (print_scattering_function_1): New.
3742         (print_scattering_function): Call it.
3743         (print_scop_params): Remove spaces at the end of lines.
3744         (print_cloog): New.
3745         (debug_cloog): New.
3746         * graphite-poly.h (print_cloog): Declared.
3747         (debug_cloog): Declared.
3748
3749 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3750
3751         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3752         in loop->header.
3753         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3754         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3755         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3756         to switch between adding the IV bump in loop->latch or in loop->header.
3757
3758 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3759
3760         * graphite-poly.c (print_scattering_function): Pretty print following
3761         the scoplib format.
3762         (print_pdr): Same.
3763         (print_pbb_domain): Same.
3764         (dump_gbb_cases): Same.
3765         (dump_gbb_conditions): Same.
3766         (print_pdrs): Same.
3767         (print_pbb): Same.
3768         (print_scop_params): Same.
3769         (print_scop_context): Same.
3770         (print_scop): Same.
3771         (print_pbb_body): New.
3772         (lst_indent_to): New.
3773         (print_lst): Start new lines with a #.
3774         * graphite-poly.h (pbb_bb): New.
3775         (pbb_index): Use pbb_bb.
3776         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3777         disjuncts.
3778         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3779
3780 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3781
3782         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3783         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3784         and 0 instead of 1 for dw_val_class_flag.
3785         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3786         dw_val_class_range_list, dw_val_class_loc_list,
3787         dw_val_class_lineptr and dw_val_class_macptr, use
3788         DW_FORM_flag_present for dw_val_class_flag and
3789         DW_FORM_exprloc for dw_val_class_loc.
3790         (output_die): For -gdwarf-4 print dw_val_class_loc
3791         size as uleb128 instead of 1 or 2 bytes and don't print
3792         anything for dw_val_class_flag.
3793
3794         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3795         instead of cselib_lookup following by tweaking locs->setting_insn.
3796
3797         PR bootstrap/43596
3798         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3799         even before returning from label, setjmp call or volatile asm
3800         handling.
3801
3802 2010-03-31  Richard Guenther  <rguenther@suse.de>
3803
3804         PR middle-end/43600
3805         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3806         temporary data on stack.
3807
3808 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3809
3810         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3811         (PUSHSECTION_ASM_OP): Remove.
3812         (POPSECTION_ASM_OP): Remove.
3813         (PUSHSECTION_FORMAT): Remove.
3814         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3815         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3816         * config/sol2.c (solaris_output_init_fini): Use it.
3817
3818 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3819
3820         PR 43574
3821         * opt-functions.awk (var_type_struct): Use signed char type
3822         for simple variables.
3823
3824 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3825
3826         * config/sol2.c: Include output.h.
3827         (solaris_assemble_visibility): New function.
3828         * config/t-sol2 (sol2.o): Add output.h dependency.
3829         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3830         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3831         Redefine.
3832
3833 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3834
3835         PR target/43580
3836         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3837         V2SImode or XFmode on PRE_DEC.
3838
3839         PR debug/43557
3840         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3841         BLKmode.
3842
3843 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3844
3845         PR 43562
3846         * reload.h (caller_save_initialized_p): Declare.
3847         * toplev.c (backend_init_target): Don't call
3848         init_caller_save but set caller_save_initialized_p to false.
3849         * caller-save.c (caller_save_initialized_p): Define.
3850         (init_caller_save): Check caller_save_initialized_p.
3851         * ira.c (ira): Call init_caller_save if flag_caller_saves.
3852
3853 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3854
3855         PR target/39048
3856         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3857         and soft-fp/t-softfp to tmake_file.
3858         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3859         (LIBGCC2_TF_CEXT): Define.
3860         (TF_SIZE): Define.
3861
3862 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
3863
3864         PR debug/42977
3865         * cselib.c (n_useless_values): Document handling of debug locs.
3866         (n_useless_debug_values, n_debug_values): New variables.
3867         (new_elt_loc_list): Don't add to debug values, keep count.
3868         (promote_debug_loc): New.
3869         (cselib_reset_table): Zero new variables.
3870         (entry_and_rtx_equal_p): Promote debug locs.
3871         (discard_useless_locs): Increment n_useless_debug_values for
3872         debug values.
3873         (remove_useless_values): Adjust n_useless_values and n_debug_values
3874         with n_useless_debug_values.
3875         (add_mem_for_addr): Promote debug locs.
3876         (cselib_lookup_mem): Likewise.
3877         (cselib_lookup_addr): Renamed to...
3878         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
3879         (cselib_log_lookup): ... this.  Turn into...
3880         (cselib_lookup_addr): ... new wrapper.
3881         (cselib_lookup_from_insn): New.
3882         (cselib_invalidate_regno): Increment n_useless_debug_values for
3883         debug values.
3884         (cselib_invalidate_mem): Likewise.
3885         (cselib_process_insn): Take n_deleted and n_debug_values into
3886         account to guard remove_useless_value call.
3887         (cselib_finish): Zero n_useless_debug_values.
3888         * cselib.h (cselib_lookup_from_insn): Declare.
3889         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3890         (sched_analyze_2): Likewise.
3891
3892 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
3893
3894         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3895         functions.
3896         (adjust_mems): Replace narrowing SUBREG of expression containing
3897         just PLUS, MINUS, MULT and ASHIFT of registers and constants
3898         with operations in the narrower mode.
3899
3900         PR debug/43593
3901         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3902         regs_invalidated_by_call instead all call_used_reg_set registers.
3903
3904 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3905
3906         PR middle-end/43430
3907         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3908         pointer comparisons with types_compatible_p.
3909         * tree-vect-stmts.c (vectorizable_call): Same.
3910         (vectorizable_condition): Same.
3911
3912 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3913
3914         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3915         stack check if the mask would be zero.
3916
3917 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3918             Jack Howarth <howarth@bromo.med.uc.edu>
3919
3920         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3921         variables TLS.
3922
3923 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
3924
3925         PR other/25232
3926         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
3927         and __unordtf2.
3928         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3929         Include ___unordxf2 and ___unordtf2.
3930         * config/i386/libgcc-glibc.ver: Do not define inheritance from
3931         GCC_4.4.0 here.
3932
3933 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
3934
3935         * config/lm32/t-lm32: New file.
3936         * config.gcc: Use the above file when targetting lm32.
3937
3938 2010-03-28  Duncan Sands  <baldrick@free.fr>
3939
3940         * Makefile.in (PLUGIN_HEADERS): Add except.h.
3941
3942 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3943
3944         PR middle-end/43431
3945         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3946         Improve vectorization cost model diagnostic.
3947
3948 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3949
3950         PR middle-end/43436
3951         * tree-vect-data-refs.c (vect_analyze_data_refs): When
3952         compute_data_dependences_for_loop returns false, early exit
3953         and output an extra diagnostic for the failed data reference
3954         analysis.
3955
3956 2010-03-29  Richard Guenther  <rguenther@suse.de>
3957
3958         PR tree-optimization/43560
3959         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3960         (can_sm_ref_p): Treat stores to readonly locations as trapping.
3961
3962 2010-03-29  Jie Zhang  <jie@codesourcery.com>
3963
3964         PR 43564
3965         * toplev.c (process_options): Set optimization_default_node
3966         and optimization_current_node.
3967         * opts.c (decode_options): Don't set optimization_default_node
3968         and optimization_current_node.
3969
3970 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
3971
3972         * config/rtems.h: Abandon -qrtems_debug.
3973
3974 2010-03-28  Jan Hubicka  <jh@suse.cz>
3975
3976         PR tree-optimization/43505
3977         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3978         map should not be copied.
3979
3980 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3981
3982         PR middle-end/41674
3983         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3984         cdtors, set DECL_PRESERVE_P.
3985         * ipa.c (cgraph_externally_visible_p): Return true if declaration
3986         should be preseved.
3987
3988 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
3989
3990         PR tree-optimization/43528
3991         * stor-layout.c (place_field): Check that constant fits into
3992         unsigned HWI when skipping calculation of MS bitfield layout.
3993
3994 2010-03-27  Jan Hubicka  <jh@suse.cz>
3995
3996         PR middle-end/43391
3997         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3998         notice_global_symbol work.
3999