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2010-05-05 Laurynas Biveinis <laurynas.biveinis@gmail.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2
3         * Makefile.in (build/gengtype.o): Add $(HASHTAB_H) to
4         dependencies.
5
6         * gengtype.h (erro_at_line): Constify pos argument.
7
8         * gengtype.c: Include hashtab.h.
9         (enum gc_used): Document GC_MAYBE_POINTED_TO.
10         (error_at_line): Constify pos argument.
11         (do_typedef): Initialize p->opt field.
12         (get_file_gtfilename): Fix comment typo.
13         (struct walk_type_data): Constify line field.
14         (get_output_file_for_structure): New function.
15         (write_local_func_for_structure): Constify orig_s argument.
16         Use get_output_file_for_structure.
17         (write_func_for_structure): Use get_output_file_for_structure.
18         (INDENT): New define.
19         (dump_pair, dump_type, dump_type_list, dump_typekind)
20         (dump_gc_used, dump_options, dump_fileloc, dump_type_u_s)
21         (dump_type_u_a, dump_type_u_param_struct, dump_everything): New
22         functions.
23         (seen_types): New variable.
24         (main): New variable do_dump.  Process "-d" command line option.
25         Call dump_everything if dump requested.
26
27 2010-05-05  Jakub Jelinek  <jakub@redhat.com>
28
29         * var-tracking.c (var_debug_decl): Save DECL_DEBUG_EXPR value
30         in a temporary instead of invoking the macro multiple times.
31         (track_expr_p): Likewise.
32
33 2010-05-04  Neil Vachharajani <nvachhar@google.com>
34
35         * doc/invoke.texi (-Wcoverage-mismatch): Updated documentation as
36         per new semantics.
37         * opts.c (decode_options): Enable -Werror=coverage-mismatch.
38         * coverage.c (get_coverage_counts): Always emit a warning.  Adjust
39         conditions for printing notes.
40         * common.opt (-Wcoverage-mismatch): Allow negative, default to
41         true, update documentation.
42         * Makefile.in (coverage.o): Add dependence on DIAGNOSTIC_H and intl.h.
43
44 2010-05-04  Jakub Jelinek  <jakub@redhat.com>
45
46         PR c/43981
47         * c-parser.c (c_parser_direct_declarator_inner): Call mark_exp_read
48         on dimen.
49
50 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
51
52         PR target/43799
53         * config/i386/i386.md (sse_prologue_save): Add clobber CC
54         register.
55         (*sse_prologue_save_insn1): Likewise.
56         (SSE prologue save splitter): Likewise.
57
58 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
59
60         * tree.c (free_lang_data_in_one_sizepos): New inline function.
61         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
62         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
63         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
64         all decls.  Call it on DECL_FIELD_OFFSET of fields.
65         (find_decls_types_r): Follow DECL_VALUE_EXPR.
66         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
67
68 2010-05-04  Martin Jambor  <mjambor@suse.cz>
69
70         * tree-sra.c (build_access_from_expr_1): The first parameter type
71         changed to simple tree.
72         (build_access_from_expr): Likewise, gsi parameter was eliminated.
73         (scan_assign_result): Renamed to assignment_mod_result, enum elements
74         renamed as well.
75         (build_accesses_from_assign): Removed all parameters except for a
76         simple gimple statement.  Now returns a simple bool.
77         (scan_function): All non-analysis parts moved to separate functions
78         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
79         parameters and updated both callers.
80         (sra_modify_expr): Removed parameter data.
81         (sra_modify_function_body): New function.
82         (perform_intra_sra): Call sra_modify_function_body to modify the
83         function body.
84         (replace_removed_params_ssa_names): Parameter data changed into
85         adjustments vector.
86         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
87         changed the parameter dont_convert to convert with the opposite
88         meaning.
89         (sra_ipa_modify_assign): Parameter data changed into adjustments
90         vector, return value changed to bool.
91         (ipa_sra_modify_function_body): New function.
92         (sra_ipa_reset_debug_stmts): Updated a comment.
93         (modify_function): Use ipa_sra_modify_function_body to modify function
94         body.
95
96 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
97
98         PR middle-end/43671
99         * alias.c (true_dependence): Handle the same VALUE in x and mem.
100         (canon_true_dependence): Likewise.
101         (write_dependence_p): Likewise.
102
103 2010-05-04  Jan Hubicka  <jh@suse.cz>
104
105         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
106         * cgraphbuild.c: Include ipa-utils.h
107         (record_reference_ctx): New struct.
108         (record_reference): Simplify to work on initializers; not statements.
109         (mark_address, mark_load, mark_store): New.
110         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
111         walk PHI nodes too.
112         (record_references_in_initializer): Update use of record_reference.
113         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
114         walk PHI nodes too.
115
116 2010-05-04  Jan Hubicka  <jh@suse.cz>
117
118         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
119         node will be removed anyway.
120         (lto_varpool_replace_node): Allow also unanalyzed nodes;
121         relink aliases of node into prevailing node.
122         * varpool.c (varpool_remove_node): Remove aliases properly;
123         when removing node, remove all its aliases too; remove DECL_INITIAL
124         of removed node; ggc_free the varpool node.
125
126 2010-05-04  Richard Guenther  <rguenther@suse.de>
127
128         PR tree-optimization/43879
129         * tree-ssa-structalias.c (alias_get_name): Use
130         DECL_ASSEMBLER_NAME if available.
131         (create_function_info_for): Return the varinfo node.
132         (ipa_pta_execute): Associate same-body aliases and extra names
133         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
134
135 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
136
137         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
138         static.
139
140 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
141
142         PR bootstrap/43964
143         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
144         only if HONOR_REG_ALLOC_ORDER is not defined.
145
146 2010-05-04  Richard Guenther  <rguenther@suse.de>
147
148         PR tree-optimization/43949
149         * tree-vrp.c (extract_range_from_binary_expr): Only handle
150         TRUNC_MOD_EXPR.
151
152 2010-04-26  Jason Merrill  <jason@redhat.com>
153
154         * c.opt (-fstrict-enums): New.
155         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
156
157 2010-05-03  David Ung <davidu@mips.com>
158             James E. Wilson  <wilson@codesourcery.com>
159
160         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
161         emit the trap instruction before the divide for TUNE_74K.
162
163 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
164
165         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
166         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
167         based on the above, for new target hook.
168
169         * hooks.c (hook_bool_mode_true): New generic hook.
170         * hooks.h (hook_bool_mode_true): Add prototype.
171
172         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
173         target hook.
174         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
175         target hook, set to hook_bool_mode_false.
176         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
177         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
178         with targetm.small_register_classes_for_mode_p.
179         (find_reusable_reload): Likewise.
180         (combine_reloads): Likewise.
181         * reload1.c (reload_as_needed): Likewise.
182         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
183         * ifcvt.c (noce_process_if_block, check_cond_move_block,
184         dead_or_predicable): Likewise.
185         * regmove.c (optimize_reg_copy_1): Likewise.
186         * calls.c (prepare_call_address): Likewise.
187         (precompute_register_parameters): Likewise.
188
189         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
190         hook definition.
191         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
192         implementation of the hook that considers all register classes
193         small except for SH64.
194         (sh_override_options): Use the new hook.
195         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
196         Add prototype.
197
198         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
199         hook definition.
200         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
201         implementation of the hook that considers all register classes
202         small for THUMB1.
203         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
204         Add prototype.
205
206         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
207         hook definition.
208         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
209         implementation of the hook that considers all register classes
210         small for MIPS16.
211         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
212         Add prototype.
213
214         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
215         hook definition.
216         * config/m32c/m32c.h: Likewise.
217         * config/pdp11/pdp11.h: Likewise.
218         * config/avr/avr.h: Likewise.
219         * config/xtensa/xtensa.h: Likewise.
220         * config/m68hc11/m68hc11.h: Likewise.
221         * config/mn10300/mn10300.h: Likewise.
222         * config/mcore/mcore.h: Likewise.
223         * config/h8300/h8300.h: Likewise.
224         * config/bfin/bfin.h: Likewise.
225
226         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
227         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
228
229 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
230
231         * double-int.h (tree_to_double_int): Remove macro.
232         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
233         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
234         (tree_to_double_int): New function.
235         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
236         Move ...
237         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
238
239 2010-05-03  Richard Guenther  <rguenther@suse.de>
240
241         PR tree-optimization/43971
242         * tree-ssa-structalias.c (get_constraint_for_1): Fix
243         constraints in the !flag_delete_null_pointer_checks case.
244
245 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
246
247         PR debug/43972
248         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
249         result mode matches original rtl mode.
250
251 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
252
253         PR target/43888
254         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
255
256 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
257
258         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
259         when processing flag options.
260
261 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
262
263         * gcov-iov.c (main): Change format string placeholder
264         from %#08x to 0x%08x.
265         * genchecksum.c (dosum): Change format string placeholder
266         from %#02x to 0x%02x.
267
268 2010-05-02  Richard Guenther  <rguenther@suse.de>
269
270         PR tree-optimization/43879
271         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
272
273 2010-05-02  Bruno Haible  <bruno@clisp.org>
274
275         * doc/extend.texi (Function Attributes): Fix a typo.
276
277 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
278
279         Revert:
280         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
281         placeholder from 0x%x to %#x.
282         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
283         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
284         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
285         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
286         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
287         * config/i386/i386.c (ix86_target_string): Ditto.
288         * config/i386/i386.c (output_pic_addr_const): Ditto.
289         (print_operand): Ditto.
290
291 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
292
293         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
294         placeholder from 0x%x to %#x.
295         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
296         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
297         (ASM_OUTPUT_DEBUG_DATA): Ditto.
298         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
299         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
300         * optc-gen.awk: Ditto.
301         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
302         (HOST_WIDE_INT_PRINT_HEX): Ditto.
303         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
304         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
305
306 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
307
308         * target.h (struct calls): Add function_value_regno_p field.
309         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
310         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
311         * targhooks.c (default_function_value_regno_p): New function.
312         * targhooks.h (default_function_value_regno_p): Declare function.
313         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
314         * builtins.c. (apply_result_size): (Ditto.).
315         * combine.c. (likely_spilled_retval_p): (Ditto.).
316         * mode-switching.c. Include 'target.h'.
317         (create_pre_exit): Use function_value_regno_p hook.
318         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
319         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
320         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
321
322         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
323         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
324         (ix86_function_value_regno_p): Declare as static, change argument
325         type to const unsigned int.
326         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
327
328 2010-05-01  Richard Guenther  <rguenther@suse.de>
329
330         PR tree-optimization/43949
331         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
332         types.
333         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
334
335 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
336
337         * rtl.h (CONST_DOUBLE_P): Define.
338         (rtx_to_double_int): Declare.
339         * emit-rtl.c (rtx_to_double_int): New function.
340         * dwarf2out.c (insert_double): New function.
341         (loc_descriptor, add_const_value_attribute): Clean up, use
342         rtx_to_double_int and insert_double functions.
343
344 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
345
346         * doc/extend.texi (Inline): Add missing return keyword to examples.
347         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
348         "command-line".
349
350 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
351
352         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
353         the variable part of the offset as well.  Use highest_pow2_factor for
354         all alignment checks.
355
356 2010-04-30  Richard Guenther  <rguenther@suse.de>
357
358         PR tree-optimization/43879
359         * tree-ssa-structalias.c (type_could_have_pointers): Functions
360         can have pointers.
361
362 2010-04-30  Jan Hubicka  <jh@suse.cz>
363
364         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
365         varpool.
366         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
367
368 2010-04-30  Jan Hubicka  <jh@suse.cz>
369
370         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
371         New.
372         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
373         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
374         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
375         cgraph_node_set_needs_ltrans_p): Remove.
376
377 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
378
379         * sdbout.c: Include vec.h, do not include varray.h.
380         (deferred_global_decls, sdbout_global_decl,
381         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
382         * toplev.c: Do not include varray.h.
383         (dump_memory_report): Do not dump VARRAY statistics.
384         * gengtype.c (open_base_file): Ignore varray.h.
385         * Makefile.in: Update for abovementioned changes.
386         Remove all traces of varray.c and varray.h.
387         * varray.c: Remove file.
388         * varray.h: Remove file.
389
390 2010-04-30  Jan Hubicka  <jh@suse.cz>
391
392         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
393         references.
394
395 2010-04-30  Jan Hubicka  <jh@suse.cz>
396
397         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
398         needed.
399
400 2010-04-30  Richard Guenther  <rguenther@suse.de>
401
402         * tree-ssa-structalias.c (get_constraint_for_1): Generate
403         constraints for CONSTRUCTOR.
404
405 2010-04-30  Richard Guenther  <rguenther@suse.de>
406
407         PR lto/43946
408         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
409         first after all lowering passes.
410
411 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
412
413         * toplev.c: Include varray.h for statistics dumping.
414         * tree.h: Do not declare varray_head_tag.
415         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
416         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
417         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
418         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
419         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
420         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
421         c-common.c, c-common.h, reg-stack.c, basic-block.h,
422         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
423         include varray.h.
424         * Makefile.in: Update for abovementioned changes.
425
426 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
427
428         PR debug/43942
429         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
430
431 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
432
433         * config/picochip/picochip.c (picochip_legitimize_address): Define.
434         Use this function to do machine-specific conversion.
435         (picochip_legitimize_reload_address): Likewise.
436         (picochip_legitimate_address_p): Check valid base register only if
437         strict.
438         (picochip_check_conditional_copy): Check for modw only if opnd is
439         register.
440         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
441         to call the function in c.
442         * config/picochip/picochip-protos.h
443         (picochip_legitimize_reload_address): Define.
444         * config/picochip/picochip.md (supported_compare1): Define.
445
446 2010-04-30  Jan Hubicka  <jh@suse.cz>
447
448         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
449         (cgraph_global_info): Remove inlined.
450         (LTO_cgraph_tag_names): Remove.
451         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
452         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
453         simplify cgraph tags and document.
454         (lto_output_node): Use only LTO_cgraph_unavail_node and
455         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
456         for_functions_valid, global info, process and output flags.
457         (input_overwrite_node): Initialize estimated stack size and
458         estimated growth.  Do not read flags we no longer store.
459         (input_node): Likewise do not read info no longer stored.
460         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
461         flag.
462
463 2010-04-30  Richard Guenther  <rguenther@suse.de>
464
465         PR tree-optimization/43879
466         * tree-ssa-structalias.c (get_constraint_for_1): Properly
467         handle non-zero initializers.
468
469 2010-04-30  Richard Guenther  <rguenther@suse.de>
470
471         * builtins.c (fold_builtin_1): Delete free (0).
472
473 2010-04-29  Jan Hubicka  <jh@suse.cz>
474
475         * gengtype.c (open_base_files): Add lto-streamer.h
476         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
477         (pass_ipa_cp): GGC collect.
478         * toplev. (compile_file): Do not output symbols.
479         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
480         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
481         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
482         * lto-section-in.c: Include ggc.h
483         (lto_new_in_decl_state): Alloc in GGC.
484         (lto_delete_in_decl_state): Likewise.
485         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
486         Collect.
487
488 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
489
490         PR target/42895
491         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
492         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
493         (HONOR_REG_ALLOC_ORDER): Describe new macro.
494         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
495         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
496         account only if HONOR_REG_ALLOC_ORDER is not defined.
497         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
498         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
499
500 2010-04-29  Jon Grant  <04@jguk.org>
501
502         * collect2.c (vflag): Change type from int to bool.
503         (debug): Likewise.
504         (helpflag): New global bool.
505         (main): Set vflag and debug with boolean, not integer truth values.
506         Accept new "--help" option and output usage text if found.
507         * collect2.h (vflag): Update prototype.
508         (debug): Likewise.
509
510 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
511
512         PR bootstrap/43936
513         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
514
515 2010-04-29  Richard Guenther  <rguenther@suse.de>
516
517         PR bootstrap/43935
518         * plugin.h (invoke_plugin_callbacks): Annotate arguments
519         with ATTRIBUTE_UNUSED.
520
521 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
522
523         PR target/43921
524         * config/i386/i386.c (get_some_local_dynamic_name): Replace
525         INSN_P with NONDEBUG_INSN_P.
526         (distance_non_agu_define): Likewise.
527         (distance_agu_use): Likewise.
528
529 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
530
531         From Dominique d'Humieres <dominiq@lps.ens.fr>
532         PR bootstrap/43858
533         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
534         test_set.
535
536 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
537
538         * plugin.h (invoke_plugin_callbacks): New inline function.
539         * plugin.c (flag_plugin_added): New global flag.
540         (add_new_plugin): Initialize above flag.
541         (invoke_plugin_callbacks): Rename to ...
542         (invoke_plugin_callbacks_full): ... this.
543
544 2010-04-28  Jan Hubicka  <jh@suse.cz>
545
546         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
547         (lto_varpool_replace_node): New.
548         (lto_symtab_resolve_symbols): Resolve varpool nodes.
549         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
550         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
551         * cgraph.h (varpool_node_ptr): New type.
552         (varpool_node_ptr): New vector.
553         (varpool_node_set_def): New structure.
554         (varpool_node_set): New type.
555         (varpool_node_set): New vector.
556         (varpool_node_set_element_def): New structure.
557         (varpool_node_set_element, const_varpool_node_set_element): New types.
558         (varpool_node_set_iterator): New type.
559         (varpool_node): Add prev pointers, add used_from_other_partition,
560         in_other_partition.
561         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
562         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
563         varpool_get_node, varpool_remove_node): Declare.
564         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
565         varpool_node_set_size): New inlines.
566         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
567         * tree-pass.h (varpool_node_set_def): Forward declare.
568         (ipa_opt_pass_d): Summary writting takes vnode sets too.
569         (ipa_write_optimization_summaries): Update prototype.
570         * ipa-cp.c (ipcp_write_summary): Update.
571         * ipa-reference.c (ipa_reference_write_summary): Update.
572         * lto-cgraph.c (lto_output_varpool_node): New static function.
573         (output_varpool): New function.
574         (input_varpool_node): New static function.
575         (input_varpool_1): New function.
576         (input_cgraph): Input varpool.
577         * ipa-pure-const.c (pure_const_write_summary): Update.
578         * lto-streamer-out.c (lto_output): Update, output varpool too.
579         (write_global_stream): Kill WPA hack.
580         (produce_asm_for_decls): Update.
581         (output_alias_pair_p): Handle variables.
582         (output_unreferenced_globals): Output only needed partition of varpool.
583         * ipa-inline.c (inline_write_summary): Update.
584         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
585         cgraph.
586         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
587         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
588         varpool_node_set_new, varpool_node_set_add,
589         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
590         debug_varpool_node_set): New functions.
591         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
592         (execute_one_pass): Process new decls too.
593         (ipa_write_summaries_2): Pass around vsets.
594         (ipa_write_summaries_1): Likewise.
595         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
596         to add.
597         (ipa_write_optimization_summaries_1): Pass around vsets.
598         (ipa_write_optimization_summaries): Likewise.
599         * varpool.c (varpool_get_node): New.
600         (varpool_node): Update doubly linked lists.
601         (varpool_remove_node): New.
602         (dump_varpool_node): More dumping.
603         (varpool_enqueue_needed_node): Update doubly linked lists.
604         (decide_is_variable_needed): Kill ltrans hack.
605         (varpool_finalize_decl): Kill lto hack.
606         (varpool_assemble_decl): Skip decls in other partitions.
607         (varpool_assemble_pending_decls): Update doubly linkes lists.
608         (varpool_empty_needed_queue): Likewise.
609         (varpool_extra_name_alias): Likewise.
610         * lto-streamer.c (lto_get_section_name): Add vars section.
611         * lto-streamer.h (lto_section_type): Update.
612         (output_varpool, input_varpool): Declare.
613
614 2010-04-28  Mike Stump  <mikestump@comcast.net>
615
616         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
617
618 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
619
620         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
621         record or union type with RECORD_OR_UNION_TYPE_P predicate.
622         (lto_input_ts_type_tree_pointers): Likewise.
623         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
624         (lto_output_ts_type_tree_pointers): Likewise.
625
626 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
627
628         Uniquization of constants at the Tree level
629         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
630         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
631         bit to the end.
632         (tree_output_constant_def): Declare.
633         * gimplify.c (gimplify_init_constructor): When using block copy, first
634         uniquize the constant constructor on the RHS.
635         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
636         DECL_IN_CONSTANT_POOL flag.
637         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
638         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
639         constant pool.
640         (assemble_variable): Deal with symbols belonging to the tree constant
641         pool.
642         (get_constant_section): Add ALIGN parameter and simplify.
643         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
644         (assemble_constant_contents): Use the expression of the VAR_DECL.
645         (output_constant_def_contents): Use the alignment of the VAR_DECL.
646         (tree_output_constant_def): New global function.
647         (mark_constant): Use the expression of the VAR_DECL.
648         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
649         its expression.
650         (output_object_block): Likewise and assemble the expression.
651
652 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
653
654         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
655         hash_tree, eq_tree): New tree hash table.
656         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
657         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
658         lto_orig_address_remove): Reimplement.
659
660 2010-04-28  Xinliang David Li  <davidxl@google.com>
661
662         PR c/42643
663         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
664         (compute_uninit_opnds_pos): New function.
665         (is_non_loop_exit_postdominating): New function.
666         (compute_control_dep_chain): New function.
667         (find_pdom): New function.
668         (convert_control_dep_chain_into_preds): New function.
669         (find_predicates): New function.
670         (find_control_equiv_block): New function.
671         (collect_phi_def_edges): New function.
672         (find_def_preds): New function.
673         (find_dom): New function.
674         (dump_predicates): New function.
675         (get_cmp_code): New function.
676         (is_value_included_in): New function.
677         (find_matching_predicate_in_rest_chains): New function.
678         (use_pred_not_overlap_with_undef_path_pred): New function.
679         (is_use_properly_guarded): New function.
680         (normalize_cond_1): New function.
681         (is_and_or_or): New function.
682         (normalize_cond): New function.
683         (is_gcond_subset_of): New function.
684         (is_subset_of_any): New function.
685         (is_or_set_subset_of): New function.
686         (is_and_set_subset_of): New function.
687         (is_norm_cond_subset_of): New function.
688         (is_pred_expr_subset_of): New function.
689         (is_pred_chain_subset_of): New function.
690         (is_included_in): New function.
691         (is_superset_of): New function.
692         (find_uninit_use): New function.
693         (warn_uninitialized_phi): New function.
694         (compute_possibly_undefined_names): New function.
695         (ssa_undefined_value_p): New function.
696         (execute_late_warn_uninitialized): New function.
697         * tree-ssa.c (ssa_undefined_value_p): Removed.
698         (warn_uninit): Changed to extern.
699         (warn_uninitialized_phi): Removed.
700         (warn_uninitialized_vars): Changed to extern.
701         (execute_late_warn_uninitialized): Removed
702         * tree-flow.h: Add new prototypes.
703         * timevar.def: Add new time variable.
704         * Makefile.in: Add new build file.
705
706 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
707
708         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
709         type if available.
710
711 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
712
713         PR target/22224
714         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
715
716 2010-04-28  Martin Jambor  <mjambor@suse.cz>
717
718         * cgraph.h (struct cgraph_node): New field indirect_calls.
719         (struct cgraph_indirect_call_info): New type.
720         (struct cgraph_edge): Removed field indirect_call. New fields
721         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
722         (cgraph_create_indirect_edge): Declare.
723         (cgraph_make_edge_direct): Likewise.
724         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
725         * ipa-prop.h (struct ipa_param_call_note): Removed.
726         (struct ipa_node_params): Removed field param_calls.
727         (ipa_create_all_structures_for_iinln): Declare.
728         * cgraph.c: Described indirect edges and uids in initial comment.
729         (cgraph_add_edge_to_call_site_hash): New function.
730         (cgraph_edge): Search also among the indirect edges, use
731         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
732         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
733         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
734         site hash.
735         (initialize_inline_failed): Assign a reason to indirect edges.
736         (cgraph_create_edge_1): New function.
737         (cgraph_create_edge): Moved some functionality to
738         cgraph_create_edge_1.
739         (cgraph_create_indirect_edge): New function.
740         (cgraph_edge_remove_callee): Add an assert checking for
741         non-indirectness.
742         (cgraph_edge_remove_caller): Special-case indirect edges.
743         (cgraph_remove_edge): Likewise.
744         (cgraph_set_edge_callee): New function.
745         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
746         (cgraph_make_edge_direct): New function.
747         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
748         the declaration of the call statement matches.
749         (cgraph_node_remove_callees): Special-case indirect edges.
750         (cgraph_clone_edge): Likewise.
751         (cgraph_clone_node): Clone also the indirect edges.
752         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
753         indirect_call, dump count of indirect_calls edges.
754         * ipa-prop.c (iinlining_processed_edges): New variable.
755         (ipa_note_param_call): Create indirect edges instead of
756         creating notes.  New parameter node.
757         (ipa_analyze_call_uses): New parameter node, pass it on to
758         ipa_note_param_call.
759         (ipa_analyze_stmt_uses): Likewise.
760         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
761         (print_edge_addition_message): Work on edges rather than on notes.
762         (update_call_notes_after_inlining): Likewise, renamed to
763         update_indirect_edges_after_inlining.
764         (ipa_create_all_structures_for_iinln): New function.
765         (ipa_free_node_params_substructures): Do not free notes.
766         (ipa_edge_duplication_hook): Propagate bits within
767         iinlining_processed_edges bitmap.
768         (ipa_node_duplication_hook): Do not duplicate notes.
769         (free_all_ipa_structures_after_ipa_cp): Renamed to
770         ipa_free_all_structures_after_ipa_cp.
771         (free_all_ipa_structures_after_iinln): Renamed to
772         ipa_free_all_structures_after_iinln.g
773         (ipa_write_param_call_note): Removed.
774         (ipa_read_param_call_note): Removed.
775         (ipa_write_indirect_edge_info): New function.
776         (ipa_read_indirect_edge_info): Likewise.
777         (ipa_write_node_info): Do not stream notes, do stream information
778         in indirect edges.
779         (ipa_read_node_info): Likewise.
780         (lto_ipa_fixup_call_notes): Removed.
781         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
782         * ipa-inline.c (pass_ipa_inline): Likewise.
783         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
784         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
785         * tree-inline.c (copy_bb): Removed an unnecessary double check for
786         is_gimple_call.
787         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
788         edges.
789         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
790         (output_cgraph): Stream also indirect edges.
791         (lto_output_edge): Added capability to stream indirect edges.
792         (input_edge): Likewise.
793         (input_cgraph_1): Likewise.
794         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
795         of indirect edges.
796
797 2010-04-28  Richard Guenther  <rguenther@suse.de>
798
799         PR tree-optimization/43879
800         PR tree-optimization/43909
801         * tree-ssa-structalias.c (struct variable_info): Add
802         only_restrict_pointers flag.
803         (new_var_info): Initialize it.  Increment stats.total_vars here.
804         (create_function_info_for): Do not increment stats.total_vars
805         here.
806         (get_function_part_constraint): Fix build with C++.
807         (insert_into_field_list): Remove.
808         (push_fields_onto_fieldstack): Properly merge fields.
809         (create_variable_info_for): Split and simplify.
810         (create_variable_info_for_1): New piece.
811         (intra_create_variable_infos): Properly make restrict constraints
812         from parameters.
813
814 2010-04-28  Richard Guenther  <rguenther@suse.de>
815
816         PR c++/43880
817         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
818
819 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
820             Jan Hubicka <hubicka@ucw.cz>
821
822         * doc/invoke.texi (-Wsuggest-attribute=const,
823         -Wsuggest-attribute=pure): Document.
824         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
825         (function_always_visible_to_compiler_p,
826         suggest_attribute, warn_function_pure, warn_function_const):
827         New functions.
828         (check_call): Improve debug info.
829         (analyze_function): Do not check availability.
830         (add_new_function): Check availability.
831         (propagate): Output warnings.
832         (skip_function_for_local_pure_const): New function.
833         (local_pure_const): Use it; output warnings.
834         * common.opt (Wsuggest-attribute=const,
835         Wsuggest-attribute=pure): New.
836
837 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
838
839         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
840         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
841         or DW_CFA_def_cfa_offset{,_sf}.
842
843 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
844
845         * tree.h: Fix truncated long macros.
846
847 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
848
849         * collect2.c (TARGET_64BIT): Redefine to target's default.
850         * tlink.c: Likewise.
851         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
852         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
853         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
854         for underscoring __USER_LABEL_PREFIX__.
855         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
856         (SUB_LINK_ENTRY32): New.
857         (SUB_LINK_ENTRY64): New.
858         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
859         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
860         (SUB_LINK_ENTRY64): New.
861         (SUB_LINK_ENTRY): New.
862         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
863         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
864         x64 target is choosen.
865         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
866         * configure: Regenerated.
867         * configure.ac (leading-mingw64-underscores): Option added.
868
869 2010-04-27  Jan Hubicka  <jh@suse.cz>
870
871         * doc/invoke.texi (-fipa-profile): Document.
872         * opts.c (decode_options): Enable ipa-profile at -O1.
873         * timevar.def (TV_IPA_PROFILE): Define.
874         * common.opt (fipa-profile): Add.
875         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
876         flag for clones.
877         (cgraph_propagate_frequency): Handle only local ones.
878         * tree-pass.h (pass_ipa_profile): Declare.
879         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
880         (pass_ipa_profile): Use TV_IPA_PROFILE.
881         * ipa.c (ipa_profile): New function.
882         (gate_ipa_profile): Likewise.
883         (pass_ipa_profile): New global variable.
884         * passes.c (pass_ipa_profile): New.
885
886 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
887
888         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
889
890 2010-04-27  Martin Jambor  <mjambor@suse.cz>
891
892         PR middle-end/43812
893         * ipa.c (dissolve_same_comdat_group_list): New function.
894         (function_and_variable_visibility): Call
895         dissolve_same_comdat_group_list when comdat group contains external or
896         newly local nodes.
897         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
898         lists are circular and that they contain only DECL_ONE_ONLY nodes.
899
900 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
901
902         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
903         (const_hash_1) <VECTOR_CST>: New case.
904         (compare_constant) <VECTOR_CST>: Likewise.
905         <ADDR_EXPR>: Deal with LABEL_REFs.
906         (copy_constant) <VECTOR_CST>: New case.
907
908 2010-04-27  Jan Hubicka  <jh@suse.cz>
909
910         * cgraph.c (cgraph_propagate_frequency): New function.
911         * cgraph.h (cgraph_propagate_frequency): Declare.
912         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
913         cgraph_propagate_frequency.
914
915 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
916
917         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
918
919 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
920
921         PR target/40657
922         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
923         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
924         here to determine which regs to push and how much stack to reserve.
925
926 2010-04-27  Jie Zhang  <jie@codesourcery.com>
927
928         * doc/gimple.texi (gimple_statement_with_ops): Remove
929         addresses_taken field.
930         (gimple_statement_with_memory_ops): Likewise.
931
932 2010-04-27  Jan Hubicka  <jh@suse.cz>
933
934         * tree-inline.c (eni_inlining_weights): Remove.
935         (estimate_num_insns): Special case more builtins.
936
937 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
938
939         PR c/32207
940         * c-typeck.c (build_binary_op): Move forward check for comparison
941         pointer with null pointer constant and adjust the diagnostic message.
942
943 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
944
945         PR lto/42776
946         * configure.ac (gcc_cv_as_section_has_align): Set if installed
947         binutils supports extended .section directive needed by LTO, or
948         warn if older binutils found.
949         (LTO_BINARY_READER): New AC_SUBST'd variable.
950         (LTO_USE_LIBELF): Likewise.
951         * gcc/config.gcc (lto_binary_reader): New target-specific configure
952         variable.
953         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
954         (LTO_USE_LIBELF): Likewise.
955         * configure: Regenerate.
956
957         * collect2.c (is_elf): Rename from this ...
958         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
959          object files in addition to ELF-formatted ones.
960         (scan_prog_file): Caller updated.  Also allow for LTO info marker
961         symbol to be prefixed or not by an extra underscore.
962
963         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
964         * config/i386/winnt.c: Also #include lto-streamer.h
965         (i386_pe_asm_named_section): Specify 1-byte section alignment for
966         LTO named sections.
967         (i386_pe_asm_output_aligned_decl_common): Add comment.
968         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
969
970 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
971
972         PR target/43889
973         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
974         Add missing earlyclobber for second alternative.
975
976 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
977
978         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
979         bits for artificial defs at the top of the block.
980         * fwprop.c (single_def_use_enter_block): Don't call it.
981
982 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
983
984         PR 43715
985         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
986         instead of "$gcc_cv_objdump -T".
987         Use "-undefined dynamic_lookup" on darwin.
988         * gcc/configure: Regenerate.
989
990 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
991
992         PR c/43893
993         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
994
995 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
996
997         * c-parser.c (struct c_token): Move location field up.
998         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
999         (struct c_declspecs): Convert typespec_word, storage_class, and
1000         default_int_p into bitfields.
1001         (struct c_declarator): Move loc field up.
1002
1003 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
1004
1005         * cfgloop.h (struct loop): Move can_be_parallel field up.
1006         * ipa-prop.h (struct ip_node_params): Move bitfields up.
1007         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
1008         down.
1009         (struct iv_cand): Convert pos field into a bitfield.
1010         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
1011         field up.
1012         (struct _stmt_vec_info): Shuffle fields for better packing.
1013
1014 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1015
1016         * varasm.c (IN_NAMED_SECTION): Remove guard.
1017         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
1018         (IN_NAMED_SECTION_P): ...this.
1019         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
1020         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1021
1022 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
1023
1024         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
1025         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
1026         of shadowing it.  Fix comments.
1027
1028 2010-04-26  Jan Hubicka  <jh@suse.cz>
1029
1030         * cgraph.c (cgraph_create_node): Set node frequency to normal.
1031         (cgraph_clone_node): Copy function frequency.
1032         * cgraph.h (node_frequency): New enum
1033         (struct cgraph_node): Add.
1034         * final.c (rest_of_clean_state): Update.
1035         * lto-cgraph.c (lto_output_node): Output node frequency.
1036         (input_overwrite_node): Input node frequency.
1037         * tre-ssa-loop-ivopts (computation_cost): Update.
1038         * lto-streamer-out.c (output_function): Do not output function
1039         frequency.
1040         * predict.c (maybe_hot_frequency_p): Update and handle functions
1041         executed once.
1042         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
1043         attribute lookup.
1044         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
1045         (compute_function_frequency): Set noreturn functions to be executed
1046         once.
1047         (choose_function_section): Update.
1048         * lto-streamer-in.c (input_function): Do not input function frequency.
1049         * function.c (allocate_struct_function): Do not initialize function
1050         frequency.
1051         * function.h (function_frequency): Remove.
1052         (struct function): Remove function frequency.
1053         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1054         (try_update): Update.
1055         * tree-inline.c (initialize_cfun): Do not update function frequency.
1056         * passes.c (pass_init_dump_file): Update.
1057         * i386.c (ix86_compute_frame_layout): Update.
1058         (ix86_pad_returns): Update.
1059
1060 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1061
1062         PR tree-optimization/43833
1063         * tree-vrp.c (range_int_cst_p): New.
1064         (range_int_cst_singleton_p): New.
1065         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1066         when both operands are constants.  Use range_int_cst_p in
1067         BIT_IOR_EXPR case.
1068
1069 2010-04-26  Jan Hubicka  <jh@suse.cz>
1070
1071         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1072
1073 2010-04-26  Richard Guenther  <rguenther@suse.de>
1074
1075         PR lto/43080
1076         * gimple.c (gimple_decl_printable_name): Deal gracefully
1077         with a NULL DECL_NAME.
1078
1079 2010-04-26  Richard Guenther  <rguenther@suse.de>
1080
1081         PR lto/42425
1082         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1083         if emitting debug information and it is either a function
1084         or a namespace decl.
1085
1086 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1087
1088         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1089         determine if the statement is vectorizable, and a macro to access it.
1090         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1091         Skip statements that can't be vectorized. If the analysis fails,
1092         mark the statement as unvectorizable if vectorizing basic block.
1093         (vect_compute_data_refs_alignment): Likewise.
1094         (vect_verify_datarefs_alignment): Skip statements marked as
1095         unvectorizable. Add print.
1096         (vect_analyze_group_access): Skip statements that can't be
1097         vectorized. If the analysis fails, mark the statement as
1098         unvectorizable if vectorizing basic block.
1099         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1100         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1101         generated stmts for SLP.
1102         (new_stmt_vec_info): Initialize the new field.
1103         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1104         statements marked as unvectorizable.
1105
1106 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1107
1108         * c-common.c (flag_isoc1x): New.
1109         (flag_isoc99): Update comment.
1110         * c-common.h (flag_isoc1x): New.
1111         (flag_isoc99): Update comment.
1112         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1113         __<type>_DECIMAL_DIG__.
1114         * c-opts.c (set_std_c1x): New.
1115         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1116         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1117         * c.opt (-std=c1x, -std=gnu1x): New options.
1118         * doc/cpp.texi: Mention -std=c1x.
1119         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1120         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1121         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1122         * doc/standards.texi: Mention C1X.
1123         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1124         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1125         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1126         Define for C1X.
1127
1128 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1129
1130         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1131         placeholder from 0x%x to %#x.
1132         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1133         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1134         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1135         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1136         * config/i386/i386.c (ix86_target_string): Ditto.
1137         (output_pic_addr_const): Ditto.
1138         (print_operand): Ditto.
1139
1140 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1141
1142         * combine.c (find_split_point): Add third argument.  Use it
1143         to find nested multiply-accumulate instructions.  Adjust calls.
1144         (try_combine): Adjust call to find_split_point.
1145
1146 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1147
1148         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1149
1150 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1151
1152         PR tree-optimization/41442
1153         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1154         (fold_binary_loc): Call it.
1155
1156 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1157
1158         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1159         * opts.c (common_handle_option): Allow disabling it.
1160         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1161
1162 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1163
1164         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1165         between modes if both types are integral.
1166
1167 2010-04-23  Richard Guenther  <rguenther@suse.de>
1168
1169         PR tree-optimization/43572
1170         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1171
1172 2010-04-23  Richard Guenther  <rguenther@suse.de>
1173
1174         PR lto/43455
1175         * tree-inline.c (tree_can_inline_p): Also check compatibility
1176         of return types.
1177
1178 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1179
1180         PR tree-optimization/43846
1181         * tree-sra.c (struct access): New flag grp_assignment_read.
1182         (build_accesses_from_assign): Set grp_assignment_read.
1183         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1184         (enum mark_read_status): New type.
1185         (analyze_access_subtree): Propagate grp_assignment_read, create
1186         accesses also if both direct_read and root->grp_assignment_read.
1187
1188 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1189
1190         PR middle-end/43835
1191         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1192         function does not have type attributes.
1193
1194 2010-04-23  Richard Guenther  <rguenther@suse.de>
1195
1196         PR lto/42653
1197         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1198         of FUNCTION_DECLs.
1199
1200 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1201
1202         * sese.h (create_if_region_on_edge): Remove.
1203
1204         * sese.c (create_if_region_on_edge): Make static.
1205
1206         * tree-inline.c: Do not include ggc.h.
1207
1208         * expr.c: Do not include ggc.h.
1209
1210         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1211         dependencies.
1212
1213 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1214
1215         PR target/43744
1216         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1217         in the middle of insns for casesi_worker_2.
1218
1219 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1220
1221         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1222
1223 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1224
1225         PR tree-optimization/43842
1226         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1227         loop unrolling in update of exit phis. Fix comment.
1228         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1229         least two reduction statements in the loop before starting SLP
1230         analysis.
1231
1232 2010-04-22  Nick Clifton  <nickc@redhat.com>
1233
1234         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1235
1236 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1237
1238         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1239         to simplify a + ~a.
1240
1241 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1242
1243         * tree-parloops.c (loop_parallel_p): New argument
1244         parloop_obstack.  Pass it down.
1245         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1246         pass it down, free it.
1247
1248         * tree-loop-linear.c (linear_transform_loops): Pass down
1249         lambda_obstack.
1250
1251         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1252         of type struct obstack *.
1253
1254         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1255         scratch_obstack.  Initialize it, pass down, free it.
1256
1257         * lambda.h (lambda_loop_new): Remove.
1258         (lambda_matrix_new, lambda_matrix_inverse)
1259         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1260         argument of type struct obstack *.
1261
1262         * lambda-trans.c (lambda_trans_matrix_new): New argument
1263         lambda_obstack.  Pass it down, use obstack allocation for ret.
1264         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1265         it down.
1266
1267         * lambda-mat.c (lambda_matrix_get_column)
1268         (lambda_matrix_project_to_null): Remove.
1269         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1270         allocation for mat.
1271         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1272         lambda_obstack.
1273
1274         * lambda-code.c (lambda_loop_new): New function.
1275         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1276         (lambda_compute_auxillary_space, lambda_compute_target_space)
1277         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1278         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1279         (build_access_matrix): New argument lambda_obstack.  Use obstack
1280         allocation for am.
1281         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1282         argument lambda_obstack.  Pass it down.
1283
1284 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1285
1286         * optabs.h (expand_widening_mult): Declare.
1287
1288 2010-04-22  Richard Guenther  <rguenther@suse.de>
1289
1290         PR tree-optimization/43845
1291         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1292         lookup the CALL_EXPR function and arguments.
1293
1294 2010-04-22  Nick Clifton  <nickc@redhat.com>
1295
1296         * config/stormy16/stormy16.c
1297         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1298         * config/stormy16/stormy16.h: Tidy up formatting.
1299         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1300         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1301         (ineqbranchsi): Delete pattern.
1302         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1303         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1304         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1305         stormy16-lib2-ucmpsi2.c.
1306
1307 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1308
1309         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1310         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1311         extra set merge_set_noclobber, and use it to relax the final test
1312         slightly.
1313         * df.h (df_simulate_find_noclobber_defs): Declare.
1314         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1315         conditional defs.
1316         (df_simulate_find_noclobber_defs): New function.
1317
1318 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1319
1320         * config/i386/i386.md: Use {} around multi-line preparation statements.
1321
1322 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1323
1324         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1325         (process_init_element): New argument of type struct obstack *.
1326
1327         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1328         (set_init_index, set_init_label, set_nonincremental_init)
1329         (set_nonincremental_init_from_string, find_init_member)
1330         (output_init_element, output_pending_init_elements)
1331         (process_init_element): New argument braced_init_obstack.  Pass it
1332         down.
1333         (push_range_stack, add_pending_init): New argument
1334         braced_init_obstack.  Use obstack allocation.
1335
1336         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1337         braced_init_obstack.  Pass it down.
1338         (c_parser_braced_init): New variables ret, braced_init_obstack.
1339         Initialize obstack, pass it down and finally free it.
1340
1341 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1342
1343         PR middle-end/29274
1344         * tree-pass.h (pass_optimize_widening_mul): Declare.
1345         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1346         gate_optimize_widening_mul): New static functions.
1347         (pass_optimize_widening_mul): New.
1348         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1349         <case MULT_EXPR>: Remove support for widening multiplies.
1350         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1351         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1352         simplify_gen_unary rather than directly building extensions.
1353         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1354         WIDEN_MULT_EXPR.
1355         * expmed.c (expand_widening_mult): New function.
1356         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1357
1358 2010-04-21  Jan Hubicka  <jh@suse.cz>
1359
1360         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1361         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1362         * lto-wpa-fixup.c: Remove.
1363         * Makefile.in (lto-wpa-fixup.o): Remove.
1364         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1365         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1366         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1367
1368 2010-04-21  Jan Hubicka  <jh@suse.cz>
1369
1370         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1371         add write_optimization_summary, read_optimization_summary.
1372         (ipa_write_summaries_of_cgraph_node_set): Remove.
1373         (ipa_write_optimization_summaries): Declare.
1374         (ipa_read_optimization_summaries): Declare.
1375         * ipa-cp.c (pass_ipa_cp): Update.
1376         * ipa-reference.c (pass_ipa_reference): Update.
1377         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1378         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1379         Update.
1380         * ipa-inline.c (pass_ipa_inline): Update.
1381         * ipa.c (pass_ipa_whole_program): Update.
1382         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1383         * passes.c (ipa_write_summaries_1): Do not test wpa.
1384         (ipa_write_optimization_summaries_1): New.
1385         (ipa_write_optimization_summaries): New.
1386         (ipa_read_summaries): Do not test ltrans.
1387         (ipa_read_optimization_summaries_1): New.
1388         (ipa_read_optimization_summaries): New.
1389
1390 2010-04-21  Jan Hubicka  <jh@suse.cz>
1391
1392         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1393         for boundary nodes.
1394         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1395
1396 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1397
1398         PR debug/40040
1399         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1400         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1401
1402 2010-04-21  Jan Hubicka  <jh@suse.cz>
1403
1404         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1405
1406 2010-04-21  Jan Hubicka  <jh@suse.cz>
1407
1408         * varpool.c (decide_is_variable_needed): Variable is always needed
1409         during ltrans.
1410
1411 2010-04-21  Jan Hubicka  <jh@suse.cz>
1412
1413         * opts.c (decode_options): Enable pure-const pass for whopr.
1414
1415 2010-04-21  Jan Hubicka  <jh@suse.cz>
1416
1417         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1418         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1419         at WPA dumping.
1420         (cgraph_decide_inlining): Do not expect callee to be removed in all
1421         cases.
1422
1423 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1424
1425         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1426
1427 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1428
1429         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1430         amdfam10_decode attributes.
1431
1432 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1433
1434         PR middle-end/43570
1435         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1436         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1437         (lower_copyprivate_clauses): Use private var in outer
1438         context instead of original var.  Make sure the types
1439         are correct for VLAs.
1440
1441 2010-04-21  Richard Guenther  <rguenther@suse.de>
1442
1443         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1444         to non-pointer objects.
1445
1446 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1447
1448         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1449         last chain entry if it starts with the still current label.
1450         (add_location_or_const_value_attribute): Check that
1451         loc_list->first->next is NULL instead of comparing ->first with ->last.
1452         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1453         to add_var_loc_to_decl.
1454
1455         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1456         >= 4 add also address size and segment size fields into CIE header.
1457
1458         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1459         long as address size is the same as sizeof (void *) and
1460         segment size is 0.
1461         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1462         address size or segment size is unexpected, return DW_EH_PE_omit.
1463         (classify_object_over_fdes): If get_cie_encoding returned
1464         DW_EH_PE_omit, return -1.
1465         (init_object): If classify_object_over_fdes returned -1,
1466         pretend there were no FDEs at all.
1467
1468 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1469
1470         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1471         bswap{si,di}2 using SWI48 mode iterator.
1472         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1473         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1474         set modrm attribute of bswap insn to 0 and remove length attribute.
1475         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1476         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1477         set mode attribute to <MODE> and remove length attribute.
1478
1479 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1480
1481         PR rtl-optimization/43520
1482         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1483         zero available registers.
1484
1485 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1486
1487         * builtins.c (fold_builtin_cproj): Fold more cases.
1488
1489 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1490
1491         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1492         (fold_builtin_1): Fold builtin cproj.
1493         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1494         Use ATTR_CONST_NOTHROW_LIST.
1495
1496 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1497
1498         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1499         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1500         ffsi2_no_cmove for !TARGET_CMOVE.
1501         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1502         (ffssi2): Remove expander.
1503         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1504         mode iterator.
1505         (ctz<mode>2): Ditto from ctz{si,di}2.
1506         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1507         mode iterator.
1508         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1509         mode iterator.
1510
1511 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1512
1513         * dwarf2out.c (AT_linkage_name): Define.
1514         (clone_as_declaration): Handle DW_AT_linkage_name.
1515         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1516         of DW_AT_MIPS_linkage_name.
1517         (move_linkage_attr): Likewise.
1518         (dwarf2out_finish): Likewise.
1519
1520 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1521
1522         PR middle-end/41952
1523         * fold-const.c (fold_comparison): New folding rule.
1524
1525 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1526
1527         * double-int.h (double_int_setbit): Declare.
1528         * double-int.c (double_int_setbit): New function.
1529         * rtl.h (immed_double_int_const): Declare.
1530         * emit-rtl.c (immed_double_int_const): New function.
1531         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1532         and immed_double_int_const functions.
1533         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1534         expand_copysign_bit):  (Ditto.).
1535         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1536         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1537         * dojump.c (prefer_and_bit_test): (Ditto.).
1538         * expr.c (convert_modes, reduce_to_bit_field_precision,
1539         const_vector_from_tree): (Ditto.).
1540         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1541
1542 2010-04-20  Jan Hubicka  <jh@suse.cz>
1543
1544         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1545         (dump_cgraph_node): Dump new flags.
1546         * cgraph.h (struct cgraph_node): Add flags
1547         reachable_from_other_partition and in_other_partition.
1548         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1549         other partition can not be removed.
1550         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1551         the other partition must be output; silence sanity checking on
1552         leaking functions bodies from other paritition.
1553         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1554         (lto_output_node): Output new flags; do not sanity check that inline
1555         clones are output; drop lto_forced_extern_inline_p code; do not mock
1556         visibility flags at partition boundaries.
1557         (add_node_to): New function.
1558         (output_cgraph): Use it to sort functions so masters appear before
1559         clones.
1560         (input_overwrite_node): Input new flags.
1561         * passes.c (ipa_write_summaries): Do not call
1562         lto_new_extern_inline_states.
1563         * lto-section-out.c (forced_extern_inline,
1564         lto_new_extern_inline_states lto_delete_extern_inline_states,
1565         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1566         * lto-streamer.h (lto_new_extern_inline_states,
1567         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1568         lto_forced_extern_inline_p): Kill.
1569
1570 2010-04-20  Richard Guenther  <rguenther@suse.de>
1571
1572         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1573         from vars that can have pointers.
1574         (process_constraint): Dump useless constraints.
1575
1576 2010-04-20  Richard Guenther  <rguenther@suse.de>
1577
1578         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1579         (dump_sa_points_to_info): Remove asserts.
1580         (init_base_vars): nothing_id isn't an escape point nor does it
1581         have pointers.
1582
1583 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1584
1585         * tree.h (TYPE_REF_IS_RVALUE): Define.
1586         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1587         should_move_die_to_comdat, prune_unused_types_walk): Handle
1588         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1589         (modified_type_die, gen_reference_type_die): Emit
1590         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1591         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1592
1593 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1594
1595         PR target/43635
1596         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1597         calls for -fpic -m31 if they have been sibcall optimized.
1598
1599 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1600
1601         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1602         ar.lc fixed and call-used.
1603
1604         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1605
1606 2010-04-19  Jan Hubicka  <jh@suse.cz>
1607
1608         * opts.c (decode_options): Disable whpr incompatible passes.
1609         * lto/lto.c (lto_1_to_1_map): Skip clones.
1610         (read_cgraph_and_symbols): Do not mark everything as needed.
1611         (do_whole_program_analysis): Do map only after optimizing;
1612         set proper cgraph_state; use passmanager.
1613
1614 2010-04-19  DJ Delorie  <dj@redhat.com>
1615
1616         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1617         POINTER_PLUS_EXPR and fix them.
1618
1619 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1620
1621         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1622         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1623         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1624         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1625         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1626         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1627         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1628         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1629         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1630         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1631         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1632
1633 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1634
1635         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1636         (check_cond_move_block): Likewise.
1637         (cond_move_process_if_block): Likewise.
1638         (noce_find_if_block): Improve formatting.
1639         (find_if_header): Pass 0 to memset and tweak conditions.
1640         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1641
1642 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1643
1644         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1645         for -gdwarf-4.
1646
1647         PR middle-end/43337
1648         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1649         with non-local decl doesn't need chain.
1650
1651 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1652
1653         * ira-color.c (allocno_reload_assign): Avoid accumulating
1654         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1655
1656 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1657
1658         * gimple.h (create_tmp_reg): Declare.
1659         * gimplify.c (create_tmp_reg): New function.
1660         (gimplify_return_expr): Use create_tmp_reg.
1661         (gimplify_omp_atomic): Likewise.
1662         (gimple_regimplify_operands): Likewise.
1663         * tree-dfa.c (make_rename_temp): Likewise.
1664         * tree-predcom.c (predcom_tmp_var): Likewise.
1665         (reassociate_to_the_same_stmt): Likewise.
1666         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1667         (get_replaced_param_substitute): Likewise.
1668         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1669         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1670         * tree-ssa-pre.c (get_representative_for): Likewise.
1671         (create_expression_by_pieces): Likewise.
1672         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1673         (create_tailcall_accumulator): Likewise.
1674
1675 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1676
1677         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1678         new_stmt.
1679         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1680
1681 2010-04-19  Richard Guenther  <rguenther@suse.de>
1682
1683         PR tree-optimization/43796
1684         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1685         from SCEV in the lattice.
1686         (vrp_visit_phi_node): Dump change.
1687
1688 2010-04-19  Richard Guenther  <rguenther@suse.de>
1689
1690         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1691         * configure: Re-generated.
1692
1693 2010-04-19  Richard Guenther  <rguenther@suse.de>
1694
1695         PR tree-optimization/43783
1696         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1697         constant ARRAY_REF operands two and three if possible.
1698
1699 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1700
1701         PR target/43766
1702         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1703
1704 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1705
1706         PR target/43662
1707         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1708
1709 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1710
1711         PR tree-optimization/37027
1712         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1713         and macro to access it.
1714         (vectorizable_reduction): Add argument.
1715         (vect_get_slp_defs): Likewise.
1716         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1717         statements for possible use in SLP.
1718         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1719         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1720         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1721         add new argument.
1722         (vectorizable_reduction): Likewise.
1723         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1724         vect_get_slp_defs.
1725         (vectorizable_type_demotion, vectorizable_type_promotion,
1726         vectorizable_store): Likewise.
1727         (vect_analyze_stmt): Update call to vectorizable_reduction.
1728         (vect_transform_stmt): Likewise.
1729         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1730         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1731         from different interleaving chains in same node.
1732         (vect_slp_rearrange_stmts): New function.
1733         (vect_supported_load_permutation_p): Allow load permutations for
1734         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1735         inside SLP nodes if necessary.
1736         (vect_analyze_slp_instance): Handle reductions.
1737         (vect_analyze_slp): Try to build SLP instances originating from groups
1738         of reductions.
1739         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1740         (vect_get_constant_vectors): Create initial vectors for reductions
1741         according to reduction code. Add new argument.
1742         (vect_get_slp_defs): Add new argument, pass it to
1743         vect_get_constant_vectors.
1744         (vect_schedule_slp_instance): Remove SLP tree root statements.
1745
1746 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1747
1748         * tree.h (ENUM_IS_SCOPED): Define.
1749         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1750         for ENUM_IS_SCOPED enums.
1751
1752 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1753
1754         * fold-const.c (fold_comparison): Use ssizetype.
1755         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1756         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1757         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1758         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1759
1760         * tree.h (initialize_sizetypes): Remove parameter.
1761         (build_common_tree_nodes): Remove second parameter.
1762         * stor-layout.c (initialize_sizetypes): Remove parameter.
1763         Always create an unsigned type.
1764         (set_sizetype): Assert that the passed type is unsigned and simplify.
1765         * tree.c (build_common_tree_nodes): Remove second parameter.
1766         Adjust call to initialize_sizetypes.
1767         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1768         build_common_tree_nodes.
1769
1770 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1771
1772         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1773
1774 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1775
1776         PR tree-optimization/43771
1777         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1778         load permutation doesn't have gaps.
1779
1780 2010-04-18  Jan Hubicka  <jh@suse.cz>
1781
1782         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1783         (sse_prologue_save_insn expander): Use new pattern.
1784         (sse_prologue_save_insn1): New pattern and splitter.
1785         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1786         blocks.
1787         * i386.c (setup_incoming_varargs_64): Do not compute jump
1788         destination here.
1789         (ix86_gimplify_va_arg): Update alignment needed.
1790         (ix86_local_alignment): Do not align all local arrays to 128bit.
1791
1792 2010-04-17  Jan Hubicka  <jh@suse.cz>
1793
1794         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1795
1796 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1797
1798         * arm.md (negdi2): Remove redundant code to force values into a
1799         register.
1800
1801 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1802
1803         * arm/bpabi.S: Add EABI alignment attributes to objects.
1804         * arm/bpabi-v6m.S: Likewise.
1805         * arm/crti.asm: Likewise.
1806         * arm/crtn.asm: Likewise.
1807         * arm/lib1funcs.asm: Likewise.
1808         * arm/libunwind.S: Likewise.
1809
1810 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1811
1812         * arm-protos.h (tune_params): New structure.
1813         * arm.c (current_tune): New variable.
1814         (arm_constant_limit): Delete.
1815         (struct processors): Add pointer to the tune parameters.
1816         (arm_slowmul_tune): New tuning option.
1817         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1818         (all_cores): Adjust to pick up the tuning model.
1819         (arm_constant_limit): New function.
1820         (arm_override_options): Select the appropriate tuning model.  Delete
1821         initialization of arm_const_limit.
1822         (arm_split_constant): Use the new constant-limit model.
1823         (arm_rtx_costs): Pick up the current tuning model.
1824         * arm.md (is_strongarm, is_xscale): Delete.
1825         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1826         for Xscale variant architectures.
1827         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1828
1829 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1830
1831         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1832         can_shift.
1833         (arm_rtx_costs_1): Remove unused variable extra_cost.
1834         (arm_unwind_emit_set): Use variable offset.
1835         (thumb1_output_casesi): Remove unused variable flags.
1836
1837 2010-04-16  Jeff Law  <law@redhat.com>
1838
1839         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1840         needing assignment rather than doing a two-phase assignment.  Remove
1841         unused variable 'm'.
1842
1843 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1844
1845         PR bootstrap/43767
1846         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1847
1848 2010-04-16  Doug Kwan  <dougkwan@google.com>
1849
1850         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1851         (next_operand_entry_id): New static variable.
1852         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1853         (add_to_ops_vec): Assigned unique ID to operand entry.
1854         (struct oecount_s): New field ID.
1855         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1856         (undistribute_ops_list): Assign unique IDs to oecounts.
1857         (init_reassoc): reset next_operand_entry_id.
1858
1859 2010-04-16  Doug Kwan  <dougkwan@google.com>
1860
1861         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1862         missing left parenthesis.
1863
1864 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1865
1866         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1867         *btdi_rex64 using SWI48 mode iterator.
1868         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1869         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1870         *jcc_btdi_mask_rex64.
1871
1872 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1873
1874         * double-int.h (tree_to_double_int): Convert to macro.
1875         * double-int.c (tree_to_double_int): Remove.
1876
1877 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1878
1879         PR debug/43762
1880         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1881         with want_address 2 and in case a single element list might be
1882         possible, call it again with want_address 0.
1883
1884 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1885
1886         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1887         case 'W' print operands for HI mode.
1888         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1889         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1890         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1891         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1892
1893         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1894
1895         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1896         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1897         #xx:3 and #xx:4 mode.
1898
1899         * config/h8300/h8300.md (inverted load with HImode dest): Add
1900         support for H8300SX.
1901
1902         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1903         satisfy 'U' constraint.
1904
1905 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1906
1907         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1908         * configure: Regenerate.
1909         * config.in: Regenerate.
1910         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1911         works.
1912
1913 2010-04-16  Richard Guenther  <rguenther@suse.de>
1914
1915         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1916         (struct tree_decl_common): ... here.
1917         (DECL_PT_UID): Adjust.
1918         (SET_DECL_PT_UID): Likewise.
1919         (DECL_PT_UID_SET_P): Likewise.
1920
1921 2010-04-16  Richard Guenther  <rguenther@suse.de>
1922
1923         PR tree-optimization/43572
1924         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1925         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1926         * tree-flow.h (is_call_clobbered): Remove.
1927         * tree-flow-inline.h (is_call_clobbered): Likewise.
1928         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1929         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1930         (execute_return_slot_opt): Adjust.
1931         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1932         check for call clobbered vars here.
1933         (find_tail_calls): Move tailcall verification to the
1934         proper place.
1935
1936 2010-04-16  Diego Novillo  <dnovillo@google.com>
1937
1938         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1939
1940 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1941
1942         PR target/40603
1943         * config/arm/arm.md (cbranchqi4): New pattern.
1944         * config/arm/predicates.md (const0_operand,
1945         cbranchqi4_comparison_operator): New predicates.
1946
1947 2010-04-16  Richard Guenther  <rguenther@suse.de>
1948
1949         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1950         (dump_gimple_stmt): Likewise.
1951
1952 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1953
1954         * recog.h (struct recog_data): New field is_operator.
1955         (struct insn_operand_data): New field is_operator.
1956         * recog.c (extract_insn): Set recog_data.is_operator.
1957         * genoutput.c (output_operand_data): Emit code to set the
1958         is_operator field.
1959         * reload.c (find_reloads): Use it rather than testing for an
1960         empty constraint string.
1961
1962         PR target/41514
1963         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1964         If the previous insn is a cbranchsi4_insn with the same arguments,
1965         omit the compare instruction.
1966
1967         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1968         register, inputs must be low registers and we need a low register
1969         scratch.  Handle alternative 2 like alternative 3.
1970
1971 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1972
1973         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1974         don't call get_addr on both.  If one expression is a VALUE and
1975         the other a REG, check VALUE's locs if the REG isn't among them.
1976
1977 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1978
1979         * config/sh/sh.h (sh_frame_pointer_required): New function.
1980         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1981         (flag_omit_frame_pointer) Set.
1982         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1983         (rounded_frame_size): Adjust size with outgoing_args_size.
1984         (sh_set_return_address): Must return from stack pointer.
1985         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1986         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1987         (ACCUMULATE_OUTGOING_ARGS): Define.
1988         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1989         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1990
1991 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1992
1993         PR target/43471
1994         * config/sh/sh.c (sh_legitimize_reload_address): Use
1995         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1996         Remove a unneeded check for offset_base.
1997
1998 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1999
2000         * configure: Regenerated.
2001
2002 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2003
2004         * config/s390/s390.c (s390_call_save_register_used): Switch back
2005         to HARD_REGNO_NREGS.
2006
2007 2010-04-15  Richard Guenther  <rguenther@suse.de>
2008
2009         * alias.c (alias_set_subset_of): Handle alias-set zero
2010         child properly.
2011
2012 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
2013             Julian Brown  <julian@codesourcery.com>
2014
2015         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
2016         alternatives according to use of high and low regs.
2017         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
2018         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
2019         optimizing for size on Thumb-2.
2020
2021 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
2022
2023         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
2024
2025 2010-04-15  Richard Guenther  <rguenther@suse.de>
2026
2027         * tree-ssa-structalias.c (struct variable_info): Add
2028         is_fn_info flag.
2029         (new_var_info): Initialize it.
2030         (dump_constraints): Support printing last added constraints.
2031         (debug_constraints): Adjust.
2032         (dump_constraint_graph): Likewise.
2033         (make_heapvar_for): Check for NULL cfun.
2034         (get_function_part_constraint): New function.
2035         (get_fi_for_callee): Likewise.
2036         (find_func_aliases): Properly implement IPA PTA constraints.
2037         (process_ipa_clobber): New function.
2038         (find_func_clobbers): Likewise.
2039         (insert_into_field_list_sorted): Remove.
2040         (create_function_info_for): Properly allocate vars for IPA mode.
2041         Do not use insert_into_field_list_sorted.
2042         (create_variable_info_for): Properly generate constraints for
2043         global vars in IPA mode.
2044         (dump_solution_for_var): Always dump the solution.
2045         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
2046         (find_what_var_points_to): Adjust.
2047         (pt_solution_set): Change.
2048         (pt_solution_ior_into): New function.
2049         (pt_solution_empty_p): Export.
2050         (pt_solution_includes_global): Adjust.
2051         (pt_solution_includes_1): Likewise.
2052         (pt_solutions_intersect_1): Likewise.
2053         (dump_sa_points_to_info): Check some invariants.
2054         (solve_constraints): Move constraint dumping ...
2055         (compute_points_to_sets): ... here.
2056         (ipa_pta_execute): ... and here.
2057         (compute_may_aliases): Do not re-compute points-to info
2058         locally if IPA info is available.
2059         (ipa_escaped_pt): New global var.
2060         (ipa_pta_execute): Properly implement IPA PTA.
2061         * tree-into-ssa.c (dump_decl_set): Support dumping
2062         decls not in referenced-vars.
2063         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2064         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2065         (dump_points_to_solution): Likewise.
2066         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2067         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2068         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2069         (copy_decl_to_var): Copy DECL_PT_UID.
2070         (copy_result_decl_to_var): Likewise.
2071         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2072         (copy_node_stat): Copy it.
2073         * tree.h (DECL_PT_UID): New macro.
2074         (SET_DECL_PT_UID): Likewise.
2075         (DECL_PT_UID_SET_P): Likewise.
2076         (struct tree_decl_minimal): Add pt_uid member.
2077         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2078         (pt_solution_empty_p): Declare.
2079         (pt_solution_set): Adjust.
2080         (ipa_escaped_pt): Declare.
2081         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2082         * gimple-pretty-print.c (pp_points_to_solution): New function.
2083         (dump_gimple_call): Dump call clobber/use information.
2084         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2085         * tree-pass.h (TDF_ALIAS): New dump option.
2086         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2087         * doc/invoke.texi (-fipa-pta): Update documentation.
2088
2089 2010-04-15  Richard Guenther  <rguenther@suse.de>
2090
2091         * Makefile.in (OBJS-common): Add gimple-fold.o.
2092         (gimple-fold.o): New rule.
2093         * tree.h (maybe_fold_offset_to_reference,
2094         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2095         prototypes ...
2096         * gimple.h: ... here.
2097         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2098         may_propagate_address_into_dereference): Move prototypes ...
2099         * gimple.h: ... here.
2100         * tree-ssa-ccp.c (get_symbol_constant_value,
2101         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2102         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2103         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2104         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2105         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2106         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2107         gimplify_and_update_call_from_tree): Move ...
2108         * gimple-fold.c: ... here.  New file.
2109         (ccp_fold_builtin): Rename to ...
2110         (gimple_fold_builtin): ... this.
2111         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2112
2113 2010-04-15  Richard Guenther  <rguenther@suse.de>
2114
2115         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2116         fit_double_type, force_fit_type_double, add_double_with_sign,
2117         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2118         lrotate_double, rrotate_double, div_and_round_double): Move ...
2119         * double-int.c: ... here.
2120         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2121         add_double, neg_double, mul_double_with_sign, mul_double,
2122         lshift_double, rshift_double, lrotate_double, rrotate_double,
2123         div_and_round_double): Move prototypes ...
2124         * double-int.h: ... here.
2125
2126 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2127
2128         PR target/43742
2129         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2130         matching constraints to ensure inputs match the output.
2131
2132 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2133
2134         PR target/43742
2135         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2136         in an input-only operand.
2137
2138 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2139
2140         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2141         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2142         (double_int_negative_p): Convert to static inline function.
2143         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2144         (double_int_negative_p): Remove.
2145         * tree.h (lshift_double, rshift_double):
2146         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2147         * fold-const.c (fold_convert_const_int_from_real,
2148         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2149         (lshift_double): Change type of arith argument to bool.
2150         (rshift_double): Change type of arith argument to bool. Correct
2151         comment.
2152         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2153
2154 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2155
2156         PR target/21803
2157         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2158         at the start and end of the then/else blocks, and omit them from the
2159         conversion.
2160         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2161         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2162         (flow_find_head_matching_sequence): New function.
2163         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2164         * basic-block.h (flow_find_cross_jump,
2165         flow_find_head_matching_sequence): Declare functions.
2166
2167 2010-04-14  Jason Merrill  <jason@redhat.com>
2168
2169         PR c++/36625
2170         * c-common.c (attribute_takes_identifier_p): New fn.
2171         * c-common.h: Declare it.
2172
2173 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2174
2175         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2176         splitter condition.
2177         (*udivmod<mode>4): Ditto.
2178
2179 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2180
2181         * config/i386/i386.md (maxmin_int): Rename code attribute from
2182         maxminiprefix and update all users.
2183         (maxmin_float): Ditto from maxminfprefix.
2184         (logic): Ditto from logicprefix.
2185         (absneg_mnemonic): Ditto from absnegprefix.
2186         * config/i386/mmx.md: Update all users of maxminiprefix,
2187         maxminfprefix and logicprefix for rename.
2188         * config/i386/sse.md: Ditto.
2189         * config/i386/sync.md (sync_<code><mode>): Update for
2190         logicprefix rename.
2191
2192 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2193
2194         PR 42966
2195         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2196         warnings converted to errors.
2197
2198 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2199
2200         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2201         used insn_type variable.
2202         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2203         to avoid set-but-not-used warning.
2204
2205 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2206
2207         * df-core.c (df_ref_debug): Change format string placeholder
2208         from 0x%x to %#x.
2209         * dwarf2asm.c (dw2_asm_output_data_raw,
2210         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2211         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2212         * dwarf2out.c (output_cfi, output_cfi_directive,
2213         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2214         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2215         Ditto.
2216         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2217         * print-rtl.c (print_rtx): Ditto.
2218
2219 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2220
2221         PR middle-end/42694
2222         * builtins.c (expand_builtin_pow_root): New function to expand pow
2223         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2224         series of sqrt and cbrt calls under -ffast-math.
2225         (expand_builtin_pow): Call it.
2226
2227 2010-04-14  Michael Matz  <matz@suse.de>
2228
2229         PR tree-optimization/42963
2230         * tree-cfg.c (touched_switch_bbs): New static variable.
2231         (group_case_labels_stmt): New function broken out from ...
2232         (group_case_labels): ... here, use the above.
2233         (start_recording_case_labels): Allocate touched_switch_bbs.
2234         (end_recording_case_labels): Deallocate it, call
2235         group_case_labels_stmt.
2236         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2237
2238 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2239
2240         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2241         from insn template.
2242
2243 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2244
2245         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2246
2247 2010-04-13  Jan Hubicka  <jh@suse.cz>
2248
2249         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2250         of optimized out static functions.
2251         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2252         cost computation.  Also sanity check for overflows.
2253         (update_caller_keys): Update cgraph_edge_badness call; properly
2254         update fibheap and sanity check that it is up to date.
2255         (add_new_edges_to_heap): Update cgraph_edge_badness.
2256         (cgraph_decide_inlining_of_small_function): Likewise;
2257         add sanity checking that badness in heap is up to date;
2258         improve dumping of reason; Update badness of calls to the
2259         offline copy of function currently inlined; dump badness
2260         of functions not inlined because of unit growth limits.
2261
2262 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2263
2264         PR middle-end/32628
2265         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2266         because of sign-extension change when converting to sizetype here...
2267         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2268
2269         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2270         the folding to constants.  Remove redundant final conversion.
2271         (fold_binary) <associate>: Do not associate if the re-association of
2272         constants alone overflows.
2273         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2274         to the end of the list.
2275         (multiple_of_p) <COND_EXPR>: New case.
2276
2277 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2278
2279         * opt-functions.awk (opt_sanitized_name): New.
2280         (opt_enum): New.
2281         * optc-gen.awk: Use it
2282         * opth-gen.awk: Use it.
2283
2284 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2285
2286         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2287         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2288         children.  Call replace_uses_with_default_def_ssa_name to handle
2289         SSA_NAES on lhs.
2290
2291 2010-04-13  Michael Matz  <matz@suse.de>
2292
2293         PR middle-end/43730
2294         * builtins.c (expand_builtin_interclass_mathfn): Also create
2295         a register if the predicate doesn't match.
2296
2297 2010-04-13  Diego Novillo  <dnovillo@google.com>
2298
2299         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2300         * c-pch.c: Include timevar.h.
2301         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2302         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2303         * ggc-common.c: Include timevar.h.
2304         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2305         * timevar.def (TV_PCH_SAVE): Define.
2306         (TV_PCH_CPP_SAVE): Define.
2307         (TV_PCH_PTR_REALLOC): Define.
2308         (TV_PCH_PTR_SORT): Define.
2309         (TV_PCH_RESTORE): Define.
2310         (TV_PCH_CPP_RESTORE): Define.
2311
2312 2010-04-13  Michael Matz  <matz@suse.de>
2313
2314         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2315         into MINUS_EXPRs.
2316         (can_reassociate_p): New function.
2317         (break_up_subtract_bb, reassociate_bb): Use it.
2318
2319 2010-04-13  Richard Guenther  <rguenther@suse.de>
2320
2321         PR bootstrap/43737
2322         * builtins.c (c_readstr): Fix assert.
2323
2324 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2325
2326         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2327         when generating cltd insn.
2328
2329         (*ashl<mode>3_1): Remove special handling for register operand 2.
2330         (*ashlsi3_1_zext): Ditto.
2331         (*ashlhi3_1): Ditto.
2332         (*ashlhi3_1_lea): Ditto.
2333         (*ashlqi3_1): Ditto.
2334         (*ashlqi3_1_lea): Ditto.
2335         (*<shiftrt_insn><mode>3_1): Ditto.
2336         (*<shiftrt_insn>si3_1_zext): Ditto.
2337         (*<shiftrt_insn>qi3_1_slp): Ditto.
2338         (*<rotate_insn><mode>3_1): Ditto.
2339         (*<rotate_insn>si3_1_zext): Ditto.
2340         (*<rotate_insn>qi3_1_slp): Ditto.
2341
2342 2010-04-13  Richard Guenther  <rguenther@suse.de>
2343
2344         * tree-ssa-structalias.c (callused_id): Remove.
2345         (call_stmt_vars): New.
2346         (get_call_vi): Likewise.
2347         (lookup_call_use_vi): Likewise.
2348         (lookup_call_clobber_vi): Likewise.
2349         (get_call_use_vi): Likewise.
2350         (get_call_clobber_vi): Likewise.
2351         (make_transitive_closure_constraints): Likewise.
2352         (handle_const_call): Adjust to do per-call call-used handling.
2353         (handle_pure_call): Likewise.
2354         (find_what_var_points_to): Remove general callused handling.
2355         (init_base_vars): Likewise.
2356         (init_alias_vars): Initialize call_stmt_vars.
2357         (compute_points_to_sets): Process call-used and call-clobbered
2358         vars for call statements.
2359         (delete_points_to_sets): Free call_stmt_vars.
2360
2361 2010-04-13  Richard Guenther  <rguenther@suse.de>
2362
2363         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2364         Only add RW dependence for dependence distance zero.
2365         Adjust maximal vectorization factor according to dependences.
2366         Move alignment handling ...
2367         (vect_find_same_alignment_drs): ... here.  New function.
2368         (vect_analyze_data_ref_dependences): Adjust.
2369         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2370         (vect_analyze_data_refs): Adjust minimal vectorization factor
2371         according to data references.
2372         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2373         dependences before determining the vectorization factor.
2374         Analyze alignment after determining the vectorization factor.
2375         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2376         dependences before alignment.
2377         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2378         Adjust prototype.
2379         (vect_analyze_data_refs): Likewise.
2380         (MAX_VECTORIZATION_FACTOR): New define.
2381
2382 2010-04-13  Duncan Sands  <baldrick@free.fr>
2383
2384         * except.h (lang_eh_type_covers): Remove.
2385         * except.c (lang_eh_type_covers): Likewise.
2386
2387 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2388             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2389
2390         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2391         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2392         UNITS_PER_LONG where it is ABI relevant.
2393         (s390_return_addr_rtx): Likewise.
2394         (s390_back_chain_rtx): Likewise.
2395         (s390_frame_area): Likewise.
2396         (s390_frame_info): Likewise.
2397         (s390_initial_elimination_offset): Likewise.
2398         (save_gprs): Likewise.
2399         (s390_emit_prologue): Likewise.
2400         (s390_emit_epilogue): Likewise.
2401         (s390_function_arg_advance): Likewise.
2402         (s390_function_arg): Likewise.
2403         (s390_va_start): Likewise.
2404         (s390_gimplify_va_arg): Likewise.
2405         (s390_function_profiler): Likewise.
2406         (s390_optimize_prologue): Likewise.
2407         (s390_rtx_costs): Likewise.
2408         (s390_secondary_reload): Likewise.
2409         (s390_promote_function_mode): Likewise.
2410         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2411         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2412         registers available.
2413         (s390_unwind_word_mode): New function.
2414         (s390_function_value): Split 64 bit values into register pair if
2415         used as return value.
2416         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2417         function call parameters.  Handle parallels.
2418         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2419         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2420         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2421         (s390_expand_setmem): Remove unused variable src_addr.
2422         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2423         deal with 64 bit registers.
2424         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2425         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2426         (UNITS_PER_LONG): New macro.
2427         * libjava/include/s390-signal.h: Define extended ucontext
2428         structure containing the upper halfs of the 64 bit registers.
2429
2430 2010-04-13  Simon Baldwin  <simonb@google.com>
2431
2432         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2433
2434 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2435
2436         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2437         rvalue on the RHS if the LHS is of a non-renamable type.
2438         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2439
2440 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2441
2442         * gcc.c (cc1_options): Handle -iplugindir before processing
2443         the cc1 spec. Only add -iplugindir once.
2444         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2445         found.
2446         * common.opt (iplugindir): Remove `Separate' property, initialize.
2447         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2448         option.
2449         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2450         (distclean): Remove plugin dir.
2451         * doc/invoke.texi: Document -iplugindir.
2452
2453 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2454
2455         * doc/plugins.texi (Loading Plugins): Document short
2456         -fplugin=foo option.
2457         (Plugin API): Mention default_plugin_dir_name function.
2458
2459         * gcc.c (find_file_spec_function): Add new declaration.
2460         (static_spec_func): Use it for "find-file".
2461         (find_file_spec_function): Add new function.
2462         (cc1_options): Add -iplugindir option if -fplugin* options found.
2463
2464         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2465
2466         * plugin.c (add_new_plugin): Updated comment, and handle short
2467         plugin name.
2468         (default_plugin_dir_name): Added new function.
2469
2470         * common.opt (iplugindir): New option to set the plugin directory.
2471
2472 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2473
2474         * config/i386/i386.md (any_rotate): New code iterator.
2475         (rotate_insn): New code attribute.
2476         (rotate): Ditto.
2477         (SWIM124): New mode iterator.
2478         (<rotate_insn>ti3): New expander.
2479         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2480         any_rotate code iterator.
2481         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2482         using any_rotate code iterator and SWIM124 mode iterator.
2483         (ix86_rotlti3): New insn_and_split pattern.
2484         (ix86_rotrti3): Ditto.
2485         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2486         ix86_rotl{di,ti}3 patterns.
2487         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2488         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2489         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2490         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2491         code iterator and SWI mode iterator.
2492         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2493         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2494         code iterator.
2495         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2496         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2497         (bswap rotatert splitter): Add splitter.
2498         (bswap splitter): Macroize splitter using any_rotate code iterator.
2499         Add insn predicate to split only for TARGET_USE_XCHGB or when
2500         optimizing function for size.
2501
2502 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2503
2504         * config/pa/pa.c (emit_move_sequence): Remove use of
2505         deleted variable flag_argument_noalias.
2506
2507 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2508
2509         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2510         configurations.
2511         Add to unsupported targets list.
2512         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2513         sparc*-sun-solaris2.[567]* from target lists.
2514         * configure: Regenerate.
2515         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2516         removal.
2517         Remove Solaris 7 patch references.
2518         (Specific, sparc-sun-solaris2.7): Removed.
2519         (sparc-sun-solaris2*): Update Solaris 7 example.
2520         (sparc64-*-solaris2*): Likewise.
2521
2522 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2523
2524         * config.build (alpha*-dec-osf4*): Remove.
2525         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2526         of obsolete configurations.
2527         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2528         support.
2529         * config/alpha/t-osf4: Renamed to ...
2530         * config/alpha/t-osf5: ... this.
2531         * config/alpha/osf.h: Renamed to ...
2532         * config/alpha/osf5.h: ... this.
2533         Merged old osf5.h contents.
2534         Update comments.
2535         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2536         (EXTRA_SPECS): Removed.
2537         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2538         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2539         Document that.
2540
2541 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2542
2543         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2544
2545 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2546
2547         PR/43702
2548         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2549         __thiscall convention.
2550
2551 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2552
2553         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2554         orig_base.
2555         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2556
2557 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2558
2559         * function.c (assign_parms_initialize_all): Add unused attribute
2560         to fntype.
2561
2562 2010-04-12  Richard Guenther  <rguenther@suse.de>
2563
2564         * gsstruct.def (GSS_CALL): New.
2565         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2566         * gimple.h: Include tree-ssa-alias.h.
2567         (struct gimple_statement_call): New.
2568         (union gimple_statement_struct_d): Add gimple_call member.
2569         (gimple_call_reset_alias_info): Declare.
2570         (gimple_call_use_set): New function.
2571         (gimple_call_clobber_set): Likewise.
2572         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2573         * gimple.c (gimple_call_reset_alias_info): New function.
2574         (gimple_build_call_1): Call it.
2575         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2576         * tree-inline.c (remap_gimple_stmt): Likewise.
2577         (expand_call_inline): Remove callused handling.
2578         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2579         * tree-dfa.c (dump_variable): Likewise.
2580         * tree-parloops.c (parallelize_loops): Likewise.
2581         * tree-ssa.c (init_tree_ssa): Likewise.
2582         (delete_tree_ssa): Likewise.
2583         * tree-flow-inline.h (is_call_used): Remove.
2584         * tree-flow.h (struct gimple_df): Remove callused member.
2585         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2586         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2587         (ref_maybe_used_by_call_p_1): Simplify.
2588         (call_may_clobber_ref_p_1): Likewise.
2589         * tree-ssa-structalias.c (compute_points_to_sets): Set
2590         the call stmt used and clobbered sets.
2591         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2592         (find_tail_calls): Verify the tail call.
2593
2594 2010-04-12  Richard Guenther  <rguenther@suse.de>
2595
2596         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2597         single-iteration always-inline inlining.
2598         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2599         (cgraph_decide_inlining): Do not handle always-inline specially.
2600         (try_inline): Remove always-inline cycle detection special case.
2601         Do not recurse on always-inlines.
2602         (cgraph_early_inlining): Do not iterate if not optimizing.
2603         (cgraph_gate_early_inlining): remove.
2604         (pass_early_inline): Run unconditionally.
2605         (gate_cgraph_decide_inlining): New function.
2606         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2607         not inlining or optimizing.
2608         (cgraph_decide_inlining_of_small_functions): Also consider
2609         always-inline functions.
2610         (cgraph_default_inline_p): Return true for nodes which should
2611         disregard inline limits.
2612         (estimate_function_body_sizes): Assume zero size and time for
2613         nodes which are marked as disregarding inline limits.
2614         (cgraph_decide_recursive_inlining): Do not perform recursive
2615         inlining on always-inline nodes.
2616
2617 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2618
2619         PR bootstrap/43699
2620         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2621         for exprs satisfying handled_component_p.
2622
2623 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2624
2625         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2626         non-constant aggregate elements.
2627
2628         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2629         is a real initialization.
2630
2631 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2632
2633         PR c/36774
2634         * c-decl.c (start_function): Move forward check for nested function.
2635
2636 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2637
2638         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2639         * config/sh/sh.c: Include reload.h.
2640         (sh_legitimize_reload_address): New.
2641         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2642         sh_legitimize_reload_address.
2643
2644 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2645
2646         * config/sh/sh.md (*movqi_pop): New insn pattern.
2647         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2648
2649 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2650
2651         * config/i386/i386.md (any_shiftrt): New code iterator.
2652         (shiftrt_insn): New code attribute.
2653         (shiftrt): Ditto.
2654         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2655         using any_shiftrt code iterator.
2656         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2657         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2658         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2659         pattern from corresponding peephole2 patterns.
2660         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2661         using any_shiftrt code iterator.
2662         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2663         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2664         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2665         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2666         *{ashr,lshr}<mode>3_cmp_zext.
2667         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2668
2669 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2670
2671         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2672         scratch register.
2673         (*lshr<mode>3_cconly): Ditto.
2674
2675 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2676
2677         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2678         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2679         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2680         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2681         DWI mode iterator.
2682         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2683         from corresponding peephole2 patterns.
2684         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2685         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2686         and *lshrdi3_1_rex64 using SWI mode iterator.
2687         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2688         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2689         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2690         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2691         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2692         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2693         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2694         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2695         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2696         SWI mode iterator.
2697
2698 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2699
2700         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2701         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2702         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2703         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2704         DWI mode iterator.
2705         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2706         from corresponding peephole2 patterns.
2707         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2708         (ashrsi3_cvt): Rename from ashrsi3_31.
2709         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2710         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2711         and x86_64_shift_adj_3 using SWI48 mode iterator.
2712         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2713         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2714         and *ashrdi3_1_rex64 using SWI mode iterator.
2715         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2716         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2717         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2718         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2719         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2720         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2721         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2722         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2723         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2724         SWI mode iterator.
2725         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2726         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2727         x86_shift<mode>_adj_3 expanders.
2728
2729 2010-04-10  Wei Guozhi  <carrot@google.com>
2730
2731         PR target/42601
2732         * config/arm/arm.c (arm_pic_static_addr): New function.
2733         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2734         a static symbol.
2735         (arm_output_addr_const_extra): Output expression for new pattern.
2736         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2737
2738 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2739
2740         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2741         not enabled.
2742
2743         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2744         * web.c: Include "insn-config.h" and "recog.h".
2745         (union_match_dups): New function.
2746         (web_main): Call it.
2747         (union_defs): Don't try to recognize match_dups.
2748
2749         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2750         if doing so would replace the entire pattern.
2751
2752 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2753
2754         PR target/43707
2755         PR target/43709
2756         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2757         and splitter pattern.  Change splitter operand 1 predicate to
2758         nonmemory_operand.
2759
2760 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2761
2762         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2763         lattices are addresses of CONST_DECLs with the same initial value.
2764         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2765         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2766
2767 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2768             Bernd Schmidt  <bernds@codesourcery.com>
2769
2770         * loop-invariant.c (replace_uses): New static function.
2771         (move_invariant_reg): Use it to ensure we can replace the uses.
2772
2773 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2774
2775         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2776         function template.
2777         (picochip_override_options): Enable section anchors only above -O1.
2778         (picochip_reorg): Fixed a couple of build warnings.
2779
2780 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2781
2782         * configure.ac (plugin -rdynamic test): Log result.
2783         * configure: Regenerate.
2784         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2785         (RDYNAMIC_SPEC): Define.
2786         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2787
2788 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2789
2790         * configure.ac: Determine Sun ld version numbers.
2791         (comdat_group): Restrict GNU ld version checks to gld.
2792         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2793         (enable_comdat): Support --enable-comdat.
2794         * configure: Regenerate.
2795         * doc/install.texi (Configuration): Document --enable-comdat.
2796
2797 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2798
2799         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2800         * config/sol2-gld.h: ... here.
2801         * config.gcc (sparc*-*-solaris2*): Reflect this.
2802         (i[34567]86-*-solaris2*): Use it.
2803
2804 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2805
2806         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2807         setup_clocks_p.
2808         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2809
2810 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2811
2812         PR 42965
2813         * diagnostic.c (diagnostic_initialize): Initialize
2814         some_warnings_are_errors.
2815         (diagnostic_finish): New.
2816         (diagnostic_action_after_output): Call it before exiting.
2817         (diagnostic_report_diagnostic): Do not print message here. Set
2818         some_warnings_are_errors.
2819         * diagnostic.h (diagnostic_context): Delete
2820         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2821         (diagnostic_finish): Declare.
2822         * toplev.c (toplev_main): Call it before exit.
2823
2824 2010-04-09  Jason Merrill  <jason@redhat.com>
2825
2826         PR c++/42623
2827         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2828         for incomplete type.
2829
2830         PR c++/41788
2831         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2832         based on a warning flag.
2833
2834 2010-04-09  Richard Guenther  <rguenther@suse.de>
2835
2836         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2837
2838 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2839
2840         PR bootstrap/43684
2841         * varasm.c (default_assemble_visibility): Wrap vars that are
2842         set, but unused, by targets without GAS.
2843         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2844         Remove set, but unused, vars.
2845         (rs6000_legitimize_tls_address): Likewise.
2846         (altivec_expand_dst_builtin): Likewise.
2847         * config/darwin.c (machopic_classify_symbol): Likewise.
2848         (machopic_indirection_name): Likewise.
2849
2850 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2851
2852         * config/i386/i386.md (DWI): New mode iterator.
2853         (S): New mode attribute.
2854         (shift_operand): Ditto.
2855         (shift_immediate_operand): Ditto.
2856         (ashl_input_operand): Ditto.
2857         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2858         using SDWIM mode iterator.
2859         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2860         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2861         DWI mode iterator.
2862         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2863         from corresponding peephole2 patterns.
2864         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2865         and x86_64_shift_adj_1 using SWI48 mode iterator.
2866         (x86_shift<mode>_adj_2): Ditto.
2867         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2868         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2869         using SWI48 mode iterator.
2870         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2871         *ashldi3_cmp_rex64 using SWI mode iterator.
2872         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2873         *ashldi3_cconly_rex64 using SWI mode iterator.
2874         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2875         x86_shift<mode>_adj_{1,2}.
2876         (ix86_split_ashr): Ditto.
2877         (ix86_split_lshr): Ditto.
2878
2879 2010-04-09  Richard Guenther  <rguenther@suse.de>
2880
2881         * target.h (builtin_conversion): Pass in input and output types.
2882         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2883         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2884         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2885         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2886
2887         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2888         Handle AVX modes.
2889         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2890
2891 2010-04-09  Richard Guenther  <rguenther@suse.de>
2892
2893         PR target/43152
2894         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2895
2896 2010-04-09  Richard Guenther  <rguenther@suse.de>
2897
2898         * tree-vectorizer.h (struct _stmt_vec_info): Document
2899         that vectype is the type of the LHS.
2900         (supportable_widening_operation, supportable_narrowing_operation):
2901         Get both input and output vector types as arguments.
2902         (vect_is_simple_use_1): Declare.
2903         (get_same_sized_vectype): Likewise.
2904         * tree-vect-loop.c (vect_determine_vectorization_factor):
2905         Set STMT_VINFO_VECTYPE to the vector type of the def.
2906         (vectorizable_reduction): Adjust.
2907         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2908         Adjust.  Specify the output vector type.
2909         (vect_pattern_recog_1): Adjust.
2910         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2911         (vectorizable_call): Adjust.
2912         (vectorizable_conversion): Likewise.
2913         (vectorizable_operation): Likewise.
2914         (vectorizable_type_demotion): Likewise.
2915         (vectorizable_type_promotion): Likewise.
2916         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2917         the def.
2918         (vect_is_simple_use_1): New function.
2919         (supportable_widening_operation): Get both input and output
2920         vector types.
2921         (supportable_narrowing_operation): Likewise.
2922         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2923
2924 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2925
2926         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2927         __thiscall and _thiscall as predefined macros.
2928         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2929         thiscall attribute handling.
2930         (ix86_comp_type_attributes): Likewise.
2931         (ix86_function_regparm): Likewise.
2932         (ix86_return_pops_args): Likewise.
2933         (init_cumulative_args): Likewise.
2934         (find_drap_reg): Likewise.
2935         (ix86_static_chain): Likewise.
2936         (x86_this_parameter): Likewise.
2937         (x86_output_mi_thunk): Likewise.
2938         (ix86_attribute_table): Add description for thiscall attribute.
2939         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2940         * doc/extend.texi: Add documentation for thiscall.
2941
2942 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2943
2944         PR c++/28584
2945         * c.opt (Wint-to-pointer-cast): Available in C++.
2946         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2947
2948 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2949
2950         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2951         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2952         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2953         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2954         function type instead.  Reorder and simplify checks.
2955
2956         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2957
2958 2010-04-08  Jing Yu  <jingyu@google.com>
2959             Zdenek Dvorak  <ook@ucw.cz>
2960
2961         PR tree-optimization/42720
2962         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2963         loop unswitch conditions here from ...
2964         (tree_unswitch_single_loop): ... here.
2965
2966 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2967
2968         * tree-if-conv.c: Fix comments and simplify logic.
2969
2970 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2971
2972         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2973         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2974         (main_tree_if_conversion): Update call to tree_if_conversion.
2975
2976 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2977
2978         PR 42485
2979         * doc/invoke.texi (-b,-V): Delete.
2980         * doc/tm.texi: Do not mention -b.
2981         * gcc.c (display_help): Delete -b and -V.
2982         (process_command): Delete -b and -V.
2983         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2984
2985 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2986             Wolfgang Gellerich  <gellerich@de.ibm.com>
2987
2988         Implement target hook for loop unrolling
2989         * target.h (loop_unroll_adjust): Add a new target hook function.
2990         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2991         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2992         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2993         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2994         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2995         target hook.
2996         (decide_unroll_stupid): Likewise.
2997
2998 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2999
3000         PR target/43643
3001         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
3002
3003 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3004
3005         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
3006         (Specific, *-*-solaris2*): Likewise.
3007         Don't prefer Sun as over GNU as.
3008
3009 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
3010
3011         * config/s390/s390.c (override_options): Adjust the z10
3012           defaults for max-unroll-times, max-completely-peeled-insns
3013           and max-completely-peel-times.
3014
3015 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3016
3017         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
3018         instructions for z10.
3019         (s390_expand_setmem): Likewise.
3020         (s390_expand_cmpmem): Likewise.
3021
3022 2010-04-08  Richard Guenther  <rguenther@suse.de>
3023
3024         PR tree-optimization/43679
3025         * tree-ssa-pre.c (eliminate): Only propagate copies.
3026
3027 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3028
3029         PR bootstrap/43681
3030         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
3031         set but not used variable warning.
3032
3033 2010-04-08  Wei Guozhi  <carrot@google.com>
3034
3035         PR target/41653
3036         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
3037         (arm_size_rtx_costs): Call the new function when optimized for size.
3038
3039 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
3040
3041         PR debug/43670
3042         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
3043         op0 is not a MEM, just return NULL instead of assertion
3044         failure.
3045         (discover_nonconstant_array_refs): Don't walk debug stmts.
3046
3047 2010-04-08  Doug Kwan  <dougkwan@google.com>
3048
3049         * configure.ac: Recognize gold and do not use its version number
3050         to test ld features.
3051         * configure: Regenerate.
3052
3053 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
3054
3055         PR middle-end/40815
3056         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3057         (negate_value): Move code to push elements to broken_up_substracts ...
3058         (eliminate_plus_minus_pair): ... here.  Push operands that have no
3059         negative pair to plus_negates.
3060         (repropagate_negates, init_reassoc, fini_reassoc): Update.
3061
3062 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3063
3064         * doc/install.texi (Configuration): Move description of
3065         --enable-lto, --with-libelf*, --enable-gold from Java section to
3066         general section.
3067
3068         * doc/generic.texi (Working with declarations)
3069         (Function Properties, C and C++ Trees): Fix typos.
3070         * doc/sourcebuild.texi (Top Level): Likewise.
3071
3072 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3073
3074         PR c/18624
3075         * tree.h (DECL_READ_P): Define.
3076         (struct tree_decl_common): Add decl_read_flag.
3077         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3078         a set but not used warning.
3079         (merge_decls): Merge DECL_READ_P flag.
3080         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3081         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3082         * c-common.c (handle_used_attribute, handle_unused_attribute):
3083         Likewise.
3084         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3085         New prototypes.
3086         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3087         New functions.
3088         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3089         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3090         c_parser_binary_expression, c_parser_cast_expression,
3091         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3092         Call default_function_array_read_conversion instead of
3093         default_function_array_conversion where needed.
3094         (c_parser_unary_expression, c_parser_conditional_expression,
3095         c_parser_postfix_expression_after_primary, c_parser_initelt):
3096         Likewise.  Call mark_exp_read where needed.
3097         (c_parser_statement_after_labels, c_parser_asm_operands,
3098         c_parser_typeof_specifier, c_parser_sizeof_expression,
3099         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3100         where needed.
3101         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3102         New.
3103         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3104         (warn_unused_but_set_parameter): Default to warn_unused
3105         && extra_warnings.
3106         * doc/invoke.texi: Document -Wunused-but-set-variable and
3107         -Wunused-but-set-parameter.
3108
3109         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3110         used count variable.
3111         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3112         when operandN variables aren't used in the body of the expander
3113         or splitter.
3114         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3115         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3116         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3117         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3118         FOR_EACH_IMM_USE_ON_STMT): Likewise.
3119         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3120         * tree.c (PROCESS_ARG): Likewise.
3121
3122 2010-04-07  Simon Baldwin  <simonb@google.com>
3123
3124         * diagnostic.h (diagnostic_override_option_index): New macro to
3125         set a diagnostic's option_index.
3126         * c-tree.h (c_cpp_error): Add warning reason argument.
3127         * opts.c (_warning_as_error_callback): New.
3128         (register_warning_as_error_callback): Store callback for
3129         warnings enabled via enable_warning_as_error.
3130         (enable_warning_as_error): Call callback, minor code tidy.
3131         * opts.h (register_warning_as_error_callback): Declare.
3132         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3133         response to -Werror=.
3134         (c_common_init_options): Register warning_as_error_callback in opts.c.
3135         * common.opt: Add -Wno-cpp option.
3136         * c-common.c (struct reason_option_codes_t): Map cpp warning
3137         reason codes to gcc option indexes.
3138         * (c_option_controlling_cpp_error): New function, lookup the gcc
3139         option index for a cpp warning reason code.
3140         * (c_cpp_error): Add warning reason argument, call
3141         c_option_controlling_cpp_error for diagnostic_override_option_index.
3142         * doc/invoke.texi: Document -Wno-cpp.
3143
3144 2010-04-07  Richard Guenther  <rguenther@suse.de>
3145
3146         * ipa-reference.c (mark_load): Use get_base_address.
3147         (mark_store): Likewise.
3148
3149         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3150         inserting GIMPLE_NOPs into the IL.
3151         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3152         Explicitly strip handled components and indirect references.
3153
3154         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3155         folding address expressions.
3156         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3157         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3158         operand_equal_p to compare decls.
3159         (ptr_deref_may_alias_decl_p): Likewise.
3160         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3161         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3162         Handle reversed comparison ops.
3163         * tree-sra.c (asm_visit_addr): Use get_base_address.
3164         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3165         * ipa-reference.c (mark_address): Use get_base_address.
3166
3167 2010-04-07  Richard Guenther  <rguenther@suse.de>
3168
3169         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3170         Propagate constants everywhere.
3171
3172 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3173
3174         PR debug/43516
3175         * tree.c (MAX_INT_CACHED_PREC): Define.
3176         (nonstandard_integer_type_cache): New array.
3177         (build_nonstandard_integer_type): Cache results for precision
3178         <= MAX_INT_CACHED_PREC.
3179
3180 2010-04-07  Richard Guenther  <rguenther@suse.de>
3181
3182         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3183         -fargument-noalias-global, -fargument-noalias-anything): Remove.
3184         * common.opt: Likewise.
3185         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3186         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3187         (nonoverlapping_memrefs_p): Likewise.
3188         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3189         * opts.c (common_handle_option): Handle OPT_fargument_alias,
3190         OPT_fargument_noalias, OPT_fargument_noalias_anything and
3191         OPT_fargument_noalias_global for backward compatibility.
3192
3193 2010-04-07  Richard Guenther  <rguenther@suse.de>
3194
3195         PR tree-optimization/43270
3196         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3197         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3198         * tree-ssa-pre.c (phi_translate_1): Adjust.
3199         (fully_constant_expression): Split out vn_reference handling to ...
3200         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3201         Fold reads from constant strings.
3202         (vn_reference_lookup): Handle fully constant references.
3203         (vn_reference_lookup_pieces): Likewise.
3204         * Makefile.in (expmed.o-warn): Add -Wno-error.
3205
3206 2010-04-07  Martin Jambor  <mjambor@suse.cz>
3207
3208         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3209
3210 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
3211
3212         PR driver/41594
3213         * gcc.c: Add -static-libstdc++ to list of recognized options.
3214
3215 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3216
3217         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3218
3219 2010-04-07  Richard Guenther  <rguenther@suse.de>
3220
3221         PR middle-end/42617
3222         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3223         bases build simple mem attributes to retain points-to information.
3224
3225 2010-04-07  Richard Guenther  <rguenther@suse.de>
3226
3227         PR middle-end/42617
3228         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3229         preserve points-to related information.
3230
3231 2010-04-07  Richard Guenther  <rguenther@suse.de>
3232
3233         PR middle-end/42617
3234         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3235         discard plain indirect references.
3236         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3237         * tree.c (tree_nop_conversion): Likewise.
3238
3239 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
3240
3241         PR debug/43628
3242         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3243
3244 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
3245
3246         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3247         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3248
3249 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3250
3251         * tree-if-conv.c: Fix indentation and comments.
3252
3253 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3254
3255         * tree-if-conv.c: Sort static functions in topological order.
3256
3257 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3258
3259         * tree-if-conv.c: Fix indentation and comments.
3260
3261 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3262
3263         PR middle-end/43519
3264         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3265         lang_hooks.types.type_for_size instead of
3266         build_nonstandard_integer_type.
3267         When converting an unsigned type to signed, double its precision.
3268         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3269         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3270         (graphite_create_new_loop_guard): When ub + 1 wraps around,
3271         use lb <= ub.
3272
3273 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3274
3275         PR middle-end/43519
3276         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3277         POINTER_PLUS_EXPR for pointer types.
3278
3279 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3280
3281         PR middle-end/43519
3282         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3283         * graphite-clast-to-gimple.c: Include langhooks.h.
3284         (max_signed_precision_type): New.
3285         (max_precision_type): Takes two types as arguments.
3286         (precision_for_value): New.
3287         (precision_for_interval): New.
3288         (gcc_type_for_interval): New.
3289         (gcc_type_for_value): New.
3290         (gcc_type_for_clast_term): New.
3291         (gcc_type_for_clast_red): New.
3292         (gcc_type_for_clast_bin): New.
3293         (gcc_type_for_clast_expr): Split up into several functions.
3294         (gcc_type_for_clast_eq): Rewritten.
3295         (compute_bounds_for_level): New.
3296         (compute_type_for_level_1): New.
3297         (compute_type_for_level): New.
3298         (gcc_type_for_cloog_iv): Removed.
3299         (gcc_type_for_iv_of_clast_loop): Rewritten.
3300         (graphite_create_new_loop): Compute the lower and upper bound types
3301         with gcc_type_for_clast_expr.
3302         (graphite_create_new_loop_guard): Same.
3303         (find_cloog_iv_in_expr): Removed.
3304         (compute_cloog_iv_types_1): Removed.
3305         (compute_cloog_iv_types): Removed.
3306         (gloog): Do not call compute_cloog_iv_types.
3307         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3308         GBB_CLOOG_IV_TYPES.
3309         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3310         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3311         (GBB_CLOOG_IV_TYPES): Removed.
3312
3313 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3314
3315         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3316         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3317         (detect_commutative_reduction): Same.
3318
3319 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3320
3321         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3322         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
3323         argument.
3324         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3325         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3326         (rewrite_commutative_reductions_out_of_ssa): Same.
3327         * passes.c (execute_function_todo): Call verify_ssa for every pass
3328         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
3329         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3330         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3331         with an extra argument.
3332         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
3333         verify_ssa only when the extra argument is true.
3334         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3335         with an extra argument.
3336         (tree_transform_and_unroll_loop): Same.
3337
3338 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3339
3340         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3341         for all the passes of the LNO having LOOP_CLOSED_SSA.
3342         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3343         * tree-loop-distribution.c (pass_loop_distribution): Same.
3344         * tree-pass.h (TODO_verify_loops): Removed.
3345         * tree-ssa-loop.c (pass_tree_loop_init): Same.
3346         (pass_lim): Same.
3347         (pass_tree_unswitch): Same.
3348         (pass_predcom): Same.
3349         (pass_vectorize): Same.
3350         (pass_linear_transform): Same.
3351         (pass_graphite_transforms): Same.
3352         (pass_iv_canon): Same.
3353         (pass_complete_unroll): Same.
3354         (pass_complete_unrolli): Same.
3355         (pass_parallelize_loops): Same.
3356         (pass_loop_prefetch): Same.
3357         (pass_iv_optimize): Same.
3358
3359 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
3360
3361         PR middle-end/32824
3362         * passes.c (init_optimization_passes): Move pass_lim before
3363         pass_copy_prop and pass_dce_loop.
3364
3365 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3366
3367         PR target/43667
3368         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3369         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3370         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3371         MULTI_* defines for 4 argument vpermil2p* builtins.
3372
3373 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3374
3375         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3376         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3377         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3378         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3379         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3380         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3381         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3382         Use x86_maybe_negate_const_int to output insn mnemonic.
3383         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3384         check from instruction predicate.  Update comments.
3385         * config/i386/sync.md (sync_add<mode>): Use
3386         x86_maybe_negate_const_int to output insn mnemonic.
3387
3388 2010-04-06  Jan Hubicka  <jh@suse.cz>
3389
3390         PR tree-optimization/42906
3391         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3392         IGNORE_SELF argument.  Set visited_control_parents for fully
3393         processed BBs.
3394         (find_obviously_necessary_stmts): Update call of
3395         mark_control_dependent_edges_necessary.
3396         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3397
3398 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3399
3400         * config/i386/i386.md: Remove comment about 'e' and 'E'
3401         operand modifier.
3402
3403 2010-04-06  Richard Guenther  <rguenther@suse.de>
3404
3405         PR tree-optimization/43627
3406         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3407         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3408         not varying.
3409
3410 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3411
3412         * BASE-VER: Change to 4.6.0.
3413
3414         PR target/43638
3415         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3416         handling.
3417
3418 2010-04-06  Richard Guenther  <rguenther@suse.de>
3419
3420         PR middle-end/43661
3421         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3422
3423 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3424
3425         * doc/invoke.texi (Optimize Options): Document that LTO
3426         won't remove object access purely due to incompatible
3427         declarations.
3428
3429 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3430
3431         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3432         Initialize variable.
3433
3434 2010-04-03  Richard Guenther  <rguenther@suse.de>
3435
3436         PR middle-end/42509
3437         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3438         require a non-NULL MEM_OFFSET.
3439
3440 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3441
3442         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3443         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3444         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3445         config/alpha/predicates.md, config/arm/arm.md,
3446         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3447         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3448         config/darwin9.h, config/darwin.c, config/darwin.h,
3449         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3450         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3451         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3452         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3453         config/mips/mips.md, config/mn10300/mn10300.c,
3454         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3455         config/rs6000/aix.h, config/rs6000/dfp.md,
3456         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3457         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3458         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3459         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3460         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3461         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3462         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3463         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3464         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3465         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3466         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3467         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3468         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3469         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3470         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3471         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3472         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3473         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3474         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3475         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3476         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3477         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3478         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3479         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3480         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3481         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3482         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3483         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3484         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3485         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3486         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3487         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3488         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3489         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3490         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3491         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3492
3493 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3494
3495         PR other/43620
3496         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3497         * aclocal.m4: Regenerate.
3498
3499 2010-04-02  Richard Guenther  <rguenther@suse.de>
3500
3501         PR tree-optimization/43629
3502         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3503         if we have seen a constant value.
3504
3505 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3506
3507         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3508
3509 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3510
3511         PR target/43469
3512         * arm.c (legitimize_tls_address): Adjust call to
3513         gen_tls_load_dot_plus_four.
3514         (arm_note_pic_base): New function.
3515         (arm_cannot_copy_insn_p): Use it.
3516         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3517         constraint.
3518
3519 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3520
3521         PR bootstrap/43531
3522
3523         Revert:
3524         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3525
3526         * Makefile.in ($(out_object_file)): Depend on
3527         gt-$(basename $(notdir $(out_file))).h.
3528
3529 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3530
3531         * config.gcc (lm32-*-rtems*): Add t-lm32.
3532
3533 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3534
3535         * config.gcc: Add lm32-*-rtems*.
3536         * config/lm32/rtems.h: New file.
3537
3538 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3539
3540         PR target/42609
3541         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3542
3543 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3544
3545         * dwarf2out.c (output_compilation_unit_header): For
3546         -gdwarf-4 use version 4 instead of version 3.
3547         (output_line_info): For version 4 and above emit additional
3548         maximum ops per insn header field.
3549         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3550
3551         * dwarf2out.c (is_c_family, is_java): Remove.
3552         (lower_bound_default): New function.
3553         (add_bound_info, gen_descr_array_type_die): Use it.
3554
3555 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3556
3557         PR debug/43325
3558         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3559         re-declaration when it happens in a function.
3560
3561 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3562
3563         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3564         (cgraph_remove_function_insertion_hook): Same.
3565         (cgraph_call_function_insertion_hooks): Same.
3566
3567 2010-04-01  Richard Guenther  <rguenther@suse.de>
3568
3569         PR middle-end/43614
3570         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3571         and TREE_THIS_VOLATILE.
3572         (copy_ref_info): Likewise.
3573         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3574         * tree.c (build6_stat): Ignore side-effects of all but arg5
3575         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3576         TARGET_MEM_REF.
3577
3578 2010-04-01  Richard Guenther  <rguenther@suse.de>
3579
3580         PR tree-optimization/43607
3581         * ipa-type-escape.c (check_call): Do not access non-existing
3582         arguments.
3583
3584 2010-04-01  Richard Guenther  <rguenther@suse.de>
3585
3586         PR middle-end/43602
3587         Revert
3588         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3589                     Jack Howarth <howarth@bromo.med.uc.edu>
3590
3591         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3592         variables TLS.
3593
3594 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3595
3596         * doc/install.texi (Prerequisites): Document libelf usability on
3597         IRIX 5/6 and Solaris 2.
3598         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3599         Update GNU as, GNU ld requirements.
3600         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3601         Document Sun Studio compiler download.
3602         Update and simplify as, ld recommendations.
3603         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3604
3605 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3606
3607         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3608         with_tune_32 to pentium4.
3609
3610 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3611
3612         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3613
3614 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3615
3616         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3617         obsoletion, removal.
3618         Update IDO URL.
3619         Document GNU as requirement.
3620         Update configure requirements.
3621         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3622         Recomment IRIX 6.5.18+.
3623         Document IDF/IDL requirement.
3624         Document GNU as requirement.
3625         Document GNU ld bootstrap failure.
3626         Remove freeware.sgi.com reference.
3627
3628 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3629
3630         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3631         UNIX V4.0, V5.0 obsoletion, removal.
3632         Remove --with-gc=simple reference.
3633         Update VM requirements during bootstrap.
3634         Remove -oldas bootstrap description.
3635         Update binutils reference.
3636         Remove comparison failure note.
3637
3638 2010-03-31  Richard Guenther  <rguenther@suse.de>
3639             Zdenek Dvorak  <ook@ucw.cz>
3640             Sebastian Pop  <sebastian.pop@amd.com>
3641
3642         PR middle-end/43464
3643         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3644         with multiple arguments.
3645         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3646
3647 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3648
3649         * graphite-dependences.c (print_pddr): Call print_pdr with an
3650         extra argument.
3651         * graphite-poly.c (debug_pdr): Add an extra argument for the
3652         verbosity level.
3653         (print_pdr): Same.
3654         (print_pbb_domain): Same.
3655         (print_pbb): Same.
3656         (print_scop_context): Same.
3657         (print_scop): Same.
3658         (print_cloog): Same.
3659         (debug_pbb_domain): Same.
3660         (debug_pbb): Same.
3661         (print_pdrs): Same.
3662         (debug_pdrs): Same.
3663         (debug_scop_context): Same.
3664         (debug_scop): Same.
3665         (debug_cloog): Same.
3666         (print_scop_params): Same.
3667         (debug_scop_params): Same.
3668         (print_iteration_domain): Same.
3669         (print_iteration_domains): Same.
3670         (debug_iteration_domain): Same.
3671         (debug_iteration_domains): Same.
3672         (print_scattering_function): Same.
3673         (print_scattering_functions): Same.
3674         (debug_scattering_function): Same.
3675         (debug_scattering_functions): Same.
3676         * graphite-poly.h (debug_pdr): Update declaration.
3677         (print_pdr): Same.
3678         (print_pbb_domain): Same.
3679         (print_pbb): Same.
3680         (print_scop_context): Same.
3681         (print_scop): Same.
3682         (print_cloog): Same.
3683         (debug_pbb_domain): Same.
3684         (debug_pbb): Same.
3685         (print_pdrs): Same.
3686         (debug_pdrs): Same.
3687         (debug_scop_context): Same.
3688         (debug_scop): Same.
3689         (debug_cloog): Same.
3690         (print_scop_params): Same.
3691         (debug_scop_params): Same.
3692         (print_iteration_domain): Same.
3693         (print_iteration_domains): Same.
3694         (debug_iteration_domain): Same.
3695         (debug_iteration_domains): Same.
3696         (print_scattering_function): Same.
3697         (print_scattering_functions): Same.
3698         (debug_scattering_function): Same.
3699         (debug_scattering_functions): Same.
3700
3701 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3702
3703         * graphite-poly.c (print_scattering_function_1): New.
3704         (print_scattering_function): Call it.
3705         (print_scop_params): Remove spaces at the end of lines.
3706         (print_cloog): New.
3707         (debug_cloog): New.
3708         * graphite-poly.h (print_cloog): Declared.
3709         (debug_cloog): Declared.
3710
3711 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3712
3713         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3714         in loop->header.
3715         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3716         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3717         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3718         to switch between adding the IV bump in loop->latch or in loop->header.
3719
3720 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3721
3722         * graphite-poly.c (print_scattering_function): Pretty print following
3723         the scoplib format.
3724         (print_pdr): Same.
3725         (print_pbb_domain): Same.
3726         (dump_gbb_cases): Same.
3727         (dump_gbb_conditions): Same.
3728         (print_pdrs): Same.
3729         (print_pbb): Same.
3730         (print_scop_params): Same.
3731         (print_scop_context): Same.
3732         (print_scop): Same.
3733         (print_pbb_body): New.
3734         (lst_indent_to): New.
3735         (print_lst): Start new lines with a #.
3736         * graphite-poly.h (pbb_bb): New.
3737         (pbb_index): Use pbb_bb.
3738         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3739         disjuncts.
3740         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3741
3742 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3743
3744         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3745         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3746         and 0 instead of 1 for dw_val_class_flag.
3747         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3748         dw_val_class_range_list, dw_val_class_loc_list,
3749         dw_val_class_lineptr and dw_val_class_macptr, use
3750         DW_FORM_flag_present for dw_val_class_flag and
3751         DW_FORM_exprloc for dw_val_class_loc.
3752         (output_die): For -gdwarf-4 print dw_val_class_loc
3753         size as uleb128 instead of 1 or 2 bytes and don't print
3754         anything for dw_val_class_flag.
3755
3756         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3757         instead of cselib_lookup following by tweaking locs->setting_insn.
3758
3759         PR bootstrap/43596
3760         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3761         even before returning from label, setjmp call or volatile asm
3762         handling.
3763
3764 2010-03-31  Richard Guenther  <rguenther@suse.de>
3765
3766         PR middle-end/43600
3767         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3768         temporary data on stack.
3769
3770 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3771
3772         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3773         (PUSHSECTION_ASM_OP): Remove.
3774         (POPSECTION_ASM_OP): Remove.
3775         (PUSHSECTION_FORMAT): Remove.
3776         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3777         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3778         * config/sol2.c (solaris_output_init_fini): Use it.
3779
3780 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3781
3782         PR 43574
3783         * opt-functions.awk (var_type_struct): Use signed char type
3784         for simple variables.
3785
3786 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3787
3788         * config/sol2.c: Include output.h.
3789         (solaris_assemble_visibility): New function.
3790         * config/t-sol2 (sol2.o): Add output.h dependency.
3791         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3792         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3793         Redefine.
3794
3795 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3796
3797         PR target/43580
3798         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3799         V2SImode or XFmode on PRE_DEC.
3800
3801         PR debug/43557
3802         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3803         BLKmode.
3804
3805 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3806
3807         PR 43562
3808         * reload.h (caller_save_initialized_p): Declare.
3809         * toplev.c (backend_init_target): Don't call
3810         init_caller_save but set caller_save_initialized_p to false.
3811         * caller-save.c (caller_save_initialized_p): Define.
3812         (init_caller_save): Check caller_save_initialized_p.
3813         * ira.c (ira): Call init_caller_save if flag_caller_saves.
3814
3815 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3816
3817         PR target/39048
3818         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3819         and soft-fp/t-softfp to tmake_file.
3820         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3821         (LIBGCC2_TF_CEXT): Define.
3822         (TF_SIZE): Define.
3823
3824 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
3825
3826         PR debug/42977
3827         * cselib.c (n_useless_values): Document handling of debug locs.
3828         (n_useless_debug_values, n_debug_values): New variables.
3829         (new_elt_loc_list): Don't add to debug values, keep count.
3830         (promote_debug_loc): New.
3831         (cselib_reset_table): Zero new variables.
3832         (entry_and_rtx_equal_p): Promote debug locs.
3833         (discard_useless_locs): Increment n_useless_debug_values for
3834         debug values.
3835         (remove_useless_values): Adjust n_useless_values and n_debug_values
3836         with n_useless_debug_values.
3837         (add_mem_for_addr): Promote debug locs.
3838         (cselib_lookup_mem): Likewise.
3839         (cselib_lookup_addr): Renamed to...
3840         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
3841         (cselib_log_lookup): ... this.  Turn into...
3842         (cselib_lookup_addr): ... new wrapper.
3843         (cselib_lookup_from_insn): New.
3844         (cselib_invalidate_regno): Increment n_useless_debug_values for
3845         debug values.
3846         (cselib_invalidate_mem): Likewise.
3847         (cselib_process_insn): Take n_deleted and n_debug_values into
3848         account to guard remove_useless_value call.
3849         (cselib_finish): Zero n_useless_debug_values.
3850         * cselib.h (cselib_lookup_from_insn): Declare.
3851         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3852         (sched_analyze_2): Likewise.
3853
3854 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
3855
3856         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3857         functions.
3858         (adjust_mems): Replace narrowing SUBREG of expression containing
3859         just PLUS, MINUS, MULT and ASHIFT of registers and constants
3860         with operations in the narrower mode.
3861
3862         PR debug/43593
3863         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3864         regs_invalidated_by_call instead all call_used_reg_set registers.
3865
3866 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3867
3868         PR middle-end/43430
3869         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3870         pointer comparisons with types_compatible_p.
3871         * tree-vect-stmts.c (vectorizable_call): Same.
3872         (vectorizable_condition): Same.
3873
3874 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3875
3876         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3877         stack check if the mask would be zero.
3878
3879 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3880             Jack Howarth <howarth@bromo.med.uc.edu>
3881
3882         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3883         variables TLS.
3884
3885 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
3886
3887         PR other/25232
3888         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
3889         and __unordtf2.
3890         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3891         Include ___unordxf2 and ___unordtf2.
3892         * config/i386/libgcc-glibc.ver: Do not define inheritance from
3893         GCC_4.4.0 here.
3894
3895 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
3896
3897         * config/lm32/t-lm32: New file.
3898         * config.gcc: Use the above file when targetting lm32.
3899
3900 2010-03-28  Duncan Sands  <baldrick@free.fr>
3901
3902         * Makefile.in (PLUGIN_HEADERS): Add except.h.
3903
3904 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3905
3906         PR middle-end/43431
3907         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3908         Improve vectorization cost model diagnostic.
3909
3910 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3911
3912         PR middle-end/43436
3913         * tree-vect-data-refs.c (vect_analyze_data_refs): When
3914         compute_data_dependences_for_loop returns false, early exit
3915         and output an extra diagnostic for the failed data reference
3916         analysis.
3917
3918 2010-03-29  Richard Guenther  <rguenther@suse.de>
3919
3920         PR tree-optimization/43560
3921         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3922         (can_sm_ref_p): Treat stores to readonly locations as trapping.
3923
3924 2010-03-29  Jie Zhang  <jie@codesourcery.com>
3925
3926         PR 43564
3927         * toplev.c (process_options): Set optimization_default_node
3928         and optimization_current_node.
3929         * opts.c (decode_options): Don't set optimization_default_node
3930         and optimization_current_node.
3931
3932 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
3933
3934         * config/rtems.h: Abandon -qrtems_debug.
3935
3936 2010-03-28  Jan Hubicka  <jh@suse.cz>
3937
3938         PR tree-optimization/43505
3939         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3940         map should not be copied.
3941
3942 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3943
3944         PR middle-end/41674
3945         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3946         cdtors, set DECL_PRESERVE_P.
3947         * ipa.c (cgraph_externally_visible_p): Return true if declaration
3948         should be preseved.
3949
3950 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
3951
3952         PR tree-optimization/43528
3953         * stor-layout.c (place_field): Check that constant fits into
3954         unsigned HWI when skipping calculation of MS bitfield layout.
3955
3956 2010-03-27  Jan Hubicka  <jh@suse.cz>
3957
3958         PR middle-end/43391
3959         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3960         notice_global_symbol work.
3961
3962 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
3963
3964         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3965         instead of dwarf2out_decl.
3966         (struct var_loc_node): Remove section_label field.
3967         (dwarf2out_function_decl): New function.
3968         (dwarf2out_var_location): Don't set section_label field.
3969         (dwarf2out_begin_function): Don't empty decl_loc_table here.
3970
3971 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
3972
3973         PR tree-optimization/43544
3974         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3975         First argument for builtin vectorized function hook is now a
3976         tree to be able to distinguish between machine specific and
3977         standard builtins.
3978         * targhooks.c (default_builtin_vectorized_function): Ditto.
3979         * targhooks.h (default_builtin_vectorized_function): Ditto.
3980         * target.h (struct gcc_target): Ditto.
3981         * tree-vect-stmts.c (vectorizable_function): Ditto.
3982         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3983         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3984         Ditto.
3985
3986 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
3987
3988         PR c/43381
3989         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3990         nested binding iff it is a FUNCTION_DECL.
3991         (store_parm_decls_newstyle): Pass nested=true to bind for
3992         FUNCTION_DECLs amongst parameters.
3993
3994 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3995
3996         * var-tracking.c (vt_expand_loc_callback): Don't run
3997         cselib_expand_value_rtx_cb in dummy mode if
3998         cselib_dummy_expand_value_rtx_cb returned false.
3999
4000         *