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