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Add clobber CC register to sse_prologue_save patterns.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
2
3         PR target/43799
4         * config/i386/i386.md (sse_prologue_save): Add clobber CC
5         register.
6         (*sse_prologue_save_insn1): Likewise.
7         (SSE prologue save splitter): Likewise.
8
9 2010-05-04  Eric Botcazou  <ebotcazou@adacore.com>
10
11         * tree.c (free_lang_data_in_one_sizepos): New inline function.
12         (free_lang_data_in_type): Call it on TYPE_{MIN|MAX}_VALUE of numerical
13         types.  Call it on TYPE_SIZE and TYPE_SIZE_UNIT of all types.
14         (free_lang_data_in_decl): Call it on DECL_SIZE and DECL_SIZE_UNIT of
15         all decls.  Call it on DECL_FIELD_OFFSET of fields.
16         (find_decls_types_r): Follow DECL_VALUE_EXPR.
17         (iterative_hash_expr) <PLACEHOLDER_EXPR>: New case.
18
19 2010-05-04  Martin Jambor  <mjambor@suse.cz>
20
21         * tree-sra.c (build_access_from_expr_1): The first parameter type
22         changed to simple tree.
23         (build_access_from_expr): Likewise, gsi parameter was eliminated.
24         (scan_assign_result): Renamed to assignment_mod_result, enum elements
25         renamed as well.
26         (build_accesses_from_assign): Removed all parameters except for a
27         simple gimple statement.  Now returns a simple bool.
28         (scan_function): All non-analysis parts moved to separate functions
29         sra_modify_function_body and ipa_sra_modify_function_body.  Removed all
30         parameters and updated both callers.
31         (sra_modify_expr): Removed parameter data.
32         (sra_modify_function_body): New function.
33         (perform_intra_sra): Call sra_modify_function_body to modify the
34         function body.
35         (replace_removed_params_ssa_names): Parameter data changed into
36         adjustments vector.
37         (sra_ipa_modify_expr): Likewise.  Also removed unused parameter gsi and
38         changed the parameter dont_convert to convert with the opposite
39         meaning.
40         (sra_ipa_modify_assign): Parameter data changed into adjustments
41         vector, return value changed to bool.
42         (ipa_sra_modify_function_body): New function.
43         (sra_ipa_reset_debug_stmts): Updated a comment.
44         (modify_function): Use ipa_sra_modify_function_body to modify function
45         body.
46
47 2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>
48
49         PR middle-end/43671
50         * alias.c (true_dependence): Handle the same VALUE in x and mem.
51         (canon_true_dependence): Likewise.
52         (write_dependence_p): Likewise.
53
54 2010-05-04  Jan Hubicka  <jh@suse.cz>
55
56         * Makefile.in (cgraphbuild.o): Add dependency on ipa-utils.h
57         * cgraphbuild.c: Include ipa-utils.h
58         (record_reference_ctx): New struct.
59         (record_reference): Simplify to work on initializers; not statements.
60         (mark_address, mark_load, mark_store): New.
61         (build_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
62         walk PHI nodes too.
63         (record_references_in_initializer): Update use of record_reference.
64         (rebuild_cgraph_edges): Simplify using walk_stmt_load_store_addr_ops;
65         walk PHI nodes too.
66
67 2010-05-04  Jan Hubicka  <jh@suse.cz>
68
69         * lto-symtab.c (lto_cgraph_replace_node): Do not remove edges;
70         node will be removed anyway.
71         (lto_varpool_replace_node): Allow also unanalyzed nodes;
72         relink aliases of node into prevailing node.
73         * varpool.c (varpool_remove_node): Remove aliases properly;
74         when removing node, remove all its aliases too; remove DECL_INITIAL
75         of removed node; ggc_free the varpool node.
76
77 2010-05-04  Richard Guenther  <rguenther@suse.de>
78
79         PR tree-optimization/43879
80         * tree-ssa-structalias.c (alias_get_name): Use
81         DECL_ASSEMBLER_NAME if available.
82         (create_function_info_for): Return the varinfo node.
83         (ipa_pta_execute): Associate same-body aliases and extra names
84         with their origin nodes varinfo.  Dump DECL_ASSEMBLER_NAME.
85
86 2010-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
87
88         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Remove
89         static.
90
91 2010-05-04  Mikael Pettersson  <mikpe@it.uu.se>
92
93         PR bootstrap/43964
94         * ira-color.c (assign_hard_reg): Declare rclass and add_cost
95         only if HONOR_REG_ALLOC_ORDER is not defined.
96
97 2010-05-04  Richard Guenther  <rguenther@suse.de>
98
99         PR tree-optimization/43949
100         * tree-vrp.c (extract_range_from_binary_expr): Only handle
101         TRUNC_MOD_EXPR.
102
103 2010-04-26  Jason Merrill  <jason@redhat.com>
104
105         * c.opt (-fstrict-enums): New.
106         * doc/invoke.texi (C++ Dialect Options): Document -fstrict-enums.
107
108 2010-05-03  David Ung <davidu@mips.com>
109             James E. Wilson  <wilson@codesourcery.com>
110
111         * config/mips/mips.c (mips_output_division): If GENERATE_DIVIDE_TRAPS,
112         emit the trap instruction before the divide for TUNE_74K.
113
114 2010-05-03  Steven Bosscher  <steven@gcc.gnu.org>
115
116         * doc/tm.texi (defmac SMALL_REGISTER_CLASSES): Remove.
117         (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): Add documentation,
118         based on the above, for new target hook.
119
120         * hooks.c (hook_bool_mode_true): New generic hook.
121         * hooks.h (hook_bool_mode_true): Add prototype.
122
123         * target.h (struct gcc_target): Add small_register_classes_for_mode_p
124         target hook.
125         * target-def.h (TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P): New default
126         target hook, set to hook_bool_mode_false.
127         * regs.h: Remove default definition of SMALL_REGISTER_CLASSES.
128         * reload.c (push_secondary_reload): Replace SMALL_REGISTER_CLASSES
129         with targetm.small_register_classes_for_mode_p.
130         (find_reusable_reload): Likewise.
131         (combine_reloads): Likewise.
132         * reload1.c (reload_as_needed): Likewise.
133         * cse.c (approx_reg_cost_1, hash_rtx_cb): Likewise.
134         * ifcvt.c (noce_process_if_block, check_cond_move_block,
135         dead_or_predicable): Likewise.
136         * regmove.c (optimize_reg_copy_1): Likewise.
137         * calls.c (prepare_call_address): Likewise.
138         (precompute_register_parameters): Likewise.
139
140         * config/sh/sh.h: Replace SMALL_REGISTER_CLASSES with new target
141         hook definition.
142         * config/sh/sh.c (sh_small_register_classes_for_mode_p): Add
143         implementation of the hook that considers all register classes
144         small except for SH64.
145         (sh_override_options): Use the new hook.
146         * config/sh/sh-protos.h (sh_small_register_classes_for_mode_p):
147         Add prototype.
148
149         * config/arm/arm.h: Replace SMALL_REGISTER_CLASSES with new target
150         hook definition.
151         * config/arm/arm.c (arm_small_register_classes_for_mode_p): Add
152         implementation of the hook that considers all register classes
153         small for THUMB1.
154         * config/arm/arm-protos.h (arm_small_register_classes_for_mode_p):
155         Add prototype.
156
157         * config/mips/mips.h: Replace SMALL_REGISTER_CLASSES with new target
158         hook definition.
159         * config/mips/mips.c (mips_small_register_classes_for_mode_p): Add
160         implementation of the hook that considers all register classes
161         small for MIPS16.
162         * config/mips/mips-protos.h (mips_small_register_classes_for_mode_p):
163         Add prototype.
164
165         * config/i386/i386.h: Replace SMALL_REGISTER_CLASSES with new target
166         hook definition.
167         * config/m32c/m32c.h: Likewise.
168         * config/pdp11/pdp11.h: Likewise.
169         * config/avr/avr.h: Likewise.
170         * config/xtensa/xtensa.h: Likewise.
171         * config/m68hc11/m68hc11.h: Likewise.
172         * config/mn10300/mn10300.h: Likewise.
173         * config/mcore/mcore.h: Likewise.
174         * config/h8300/h8300.h: Likewise.
175         * config/bfin/bfin.h: Likewise.
176
177         * config/iq2000/iq2000.h: Remove SMALL_REGISTER_CLASSES definition.
178         * config/rx/rx.h: Remove SMALL_REGISTER_CLASSES definition.
179
180 2010-05-03  Anatoly Sokolov  <aesok@post.ru>
181
182         * double-int.h (tree_to_double_int): Remove macro.
183         (double_int_to_tree, double_int_fits_to_tree_p): Move prototypes ...
184         * tree.h (double_int_to_tree, double_int_fits_to_tree_p): ... here.
185         (tree_to_double_int): New function.
186         * double-int.c (double_int_to_tree, double_int_fits_to_tree_p):
187         Move ...
188         * tree.c (double_int_to_tree, double_int_fits_to_tree_p): ... here.
189
190 2010-05-03  Richard Guenther  <rguenther@suse.de>
191
192         PR tree-optimization/43971
193         * tree-ssa-structalias.c (get_constraint_for_1): Fix
194         constraints in the !flag_delete_null_pointer_checks case.
195
196 2010-05-03  Jakub Jelinek  <jakub@redhat.com>
197
198         PR debug/43972
199         * config/i386/i386.c (ix86_delegitimize_address): Make sure the
200         result mode matches original rtl mode.
201
202 2010-05-03  Dave Korn  <dave.korn.cygwin@gmail.com>
203
204         PR target/43888
205         * config/i386/winnt.c (i386_pe_binds_local_p): Handle weak decls.
206
207 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
208
209         * config/i386/i386.c (ix86_target_string): Output 'flags', not 'isa',
210         when processing flag options.
211
212 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
213
214         * gcov-iov.c (main): Change format string placeholder
215         from %#08x to 0x%08x.
216         * genchecksum.c (dosum): Change format string placeholder
217         from %#02x to 0x%02x.
218
219 2010-05-02  Richard Guenther  <rguenther@suse.de>
220
221         PR tree-optimization/43879
222         * tree-tailcall.c (find_tail_calls): Clobbers also prevent tail calls.
223
224 2010-05-02  Bruno Haible  <bruno@clisp.org>
225
226         * doc/extend.texi (Function Attributes): Fix a typo.
227
228 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
229
230         Revert:
231         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
232         placeholder from 0x%x to %#x.
233         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
234         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
235         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
236         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
237         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
238         * config/i386/i386.c (ix86_target_string): Ditto.
239         * config/i386/i386.c (output_pic_addr_const): Ditto.
240         (print_operand): Ditto.
241
242 2010-05-02  Uros Bizjak  <ubizjak@gmail.com>
243
244         * vmsdbgout.c (ASM_OUTPUT_DEBUG_DATA1): Change format string
245         placeholder from 0x%x to %#x.
246         (ASM_OUTPUT_DEBUG_DATA1): Ditto.
247         (ASM_OUTPUT_DEBUG_DATA4): Ditto.
248         (ASM_OUTPUT_DEBUG_DATA): Ditto.
249         (ASM_OUTPUT_DEBUG_ADDR_DATA): Ditto.
250         (ASM_OUTPUT_DEBUG_DATA8): Ditto.
251         * optc-gen.awk: Ditto.
252         * hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Ditto.
253         (HOST_WIDE_INT_PRINT_HEX): Ditto.
254         (HOST_WIDEST_INT_PRINT_HEX): Ditto.
255         (HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
256
257 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
258
259         * target.h (struct calls): Add function_value_regno_p field.
260         * target-def.h (TARGET_FUNCTION_VALUE_REGNO_P): Define.
261         (TARGET_INITIALIZER): Use TARGET_FUNCTION_VALUE_REGNO_P.
262         * targhooks.c (default_function_value_regno_p): New function.
263         * targhooks.h (default_function_value_regno_p): Declare function.
264         * rtlanal.c (keep_with_call_p): Use function_value_regno_p hook.
265         * builtins.c. (apply_result_size): (Ditto.).
266         * combine.c. (likely_spilled_retval_p): (Ditto.).
267         * mode-switching.c. Include 'target.h'.
268         (create_pre_exit): Use function_value_regno_p hook.
269         * Makefile.in (mode-switching.o): Add dependency on TARGET_H.
270         * doc/tm.texi (FUNCTION_VALUE_REGNO_P,
271         TARGET_FUNCTION_VALUE_REGNO_P): Revise documentation.
272
273         * config/i386/i386.h (TARGET_FUNCTION_VALUE_REGNO_P): Remove macro.
274         * config/i386/i386.c (TARGET_FUNCTION_VALUE_REGNO_P): Define macro.
275         (ix86_function_value_regno_p): Declare as static, change argument
276         type to const unsigned int.
277         * config/i386/i386-protos.h (ix86_function_value_regno_p): Remove.
278
279 2010-05-01  Richard Guenther  <rguenther@suse.de>
280
281         PR tree-optimization/43949
282         * tree-vrp.c (ssa_name_nonnegative_p): Return true for unsigned
283         types.
284         (extract_range_from_binary_expr): Handle *_MOD_EXPR.
285
286 2010-05-01  Anatoly Sokolov  <aesok@post.ru>
287
288         * rtl.h (CONST_DOUBLE_P): Define.
289         (rtx_to_double_int): Declare.
290         * emit-rtl.c (rtx_to_double_int): New function.
291         * dwarf2out.c (insert_double): New function.
292         (loc_descriptor, add_const_value_attribute): Clean up, use
293         rtx_to_double_int and insert_double functions.
294
295 2010-05-01  Jonathan Wakely  <jwakely.gcc@gmail.com>
296
297         * doc/extend.texi (Inline): Add missing return keyword to examples.
298         (Function Attributes, Variable Attributes, Pragmas): Hyphenate
299         "command-line".
300
301 2010-04-30  Eric Botcazou  <ebotcazou@adacore.com>
302
303         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check the alignment of
304         the variable part of the offset as well.  Use highest_pow2_factor for
305         all alignment checks.
306
307 2010-04-30  Richard Guenther  <rguenther@suse.de>
308
309         PR tree-optimization/43879
310         * tree-ssa-structalias.c (type_could_have_pointers): Functions
311         can have pointers.
312
313 2010-04-30  Jan Hubicka  <jh@suse.cz>
314
315         * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Chose var with
316         varpool.
317         (lto_symtab_merge_decls_1): Remove logic looking for an initializer.
318
319 2010-04-30  Jan Hubicka  <jh@suse.cz>
320
321         * cgraph.h (cgraph_node_set_nonempty_p, varpool_node_set_nonempty_p):
322         New.
323         * lto-cgraph.c (input_cgraph): Remove call to lto_mark_file_for_ltrans.
324         * lto-streamer.h (lto_file_decl_data): Remove needs_ltrans_p.
325         (lto_file_needs_ltrans_p, lto_mark_file_for_ltrans,
326         cgraph_node_set_needs_ltrans_p): Remove.
327
328 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
329
330         * sdbout.c: Include vec.h, do not include varray.h.
331         (deferred_global_decls, sdbout_global_decl,
332         sdbout_finish, sdbout_init): Use VEC instead of VARRAY.
333         * toplev.c: Do not include varray.h.
334         (dump_memory_report): Do not dump VARRAY statistics.
335         * gengtype.c (open_base_file): Ignore varray.h.
336         * Makefile.in: Update for abovementioned changes.
337         Remove all traces of varray.c and varray.h.
338         * varray.c: Remove file.
339         * varray.h: Remove file.
340
341 2010-04-30  Jan Hubicka  <jh@suse.cz>
342
343         * lto-cgraph.c (lto_output_varpool_node): Always output constant pool
344         references.
345
346 2010-04-30  Jan Hubicka  <jh@suse.cz>
347
348         * tree-profile.c (tree_init_ic_make_global_vars): Mark new decls as
349         needed.
350
351 2010-04-30  Richard Guenther  <rguenther@suse.de>
352
353         * tree-ssa-structalias.c (get_constraint_for_1): Generate
354         constraints for CONSTRUCTOR.
355
356 2010-04-30  Richard Guenther  <rguenther@suse.de>
357
358         PR lto/43946
359         * passes.c (init_optimization_passes): Move pass_ipa_free_lang_data
360         first after all lowering passes.
361
362 2010-04-30  Steven Bosscher  <steven@gcc.gnu.org>
363
364         * toplev.c: Include varray.h for statistics dumping.
365         * tree.h: Do not declare varray_head_tag.
366         * tree-into-ssa.c, tree-ssa-uninit.c, tree-phinodes.c, omega.c,
367         regs.h, lto-cgraph.c, tree-ssa-loop-ivopts.c, tree-nomudflap.c,
368         c-objc-common.c, lto-streamer-out.c, tree-ssa-propagate.c,
369         gimple-low.c, c-semantics.c, dwarf2out.c, lto-streamer-in.c,
370         lto-section-in.c, alias.c, tree-if-conv.c, gimplify.c, ggc-zone.c,
371         tree-ssa.c, tree-ssa-loop-prefetch.c, integrate.h, c-gimplify.c,
372         c-common.c, c-common.h, reg-stack.c, basic-block.h,
373         tree-ssa-structalias.c, lto-section-out.c, tree-ssanames.c: Do not
374         include varray.h.
375         * Makefile.in: Update for abovementioned changes.
376
377 2010-04-30  Jakub Jelinek  <jakub@redhat.com>
378
379         PR debug/43942
380         * tree.c (auto_var_in_fn_p): Return false for DECL_EXTERNAL vars.
381
382 2010-04-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
383
384         * config/picochip/picochip.c (picochip_legitimize_address): Define.
385         Use this function to do machine-specific conversion.
386         (picochip_legitimize_reload_address): Likewise.
387         (picochip_legitimate_address_p): Check valid base register only if
388         strict.
389         (picochip_check_conditional_copy): Check for modw only if opnd is
390         register.
391         * config/picochip/picochip.h (LEGITIMIZE_RELOAD_ADDRESS): Use this
392         to call the function in c.
393         * config/picochip/picochip-protos.h
394         (picochip_legitimize_reload_address): Define.
395         * config/picochip/picochip.md (supported_compare1): Define.
396
397 2010-04-30  Jan Hubicka  <jh@suse.cz>
398
399         * cgraph.h (cgraph_local_info): Remove for_functions_valid.
400         (cgraph_global_info): Remove inlined.
401         (LTO_cgraph_tag_names): Remove.
402         (LTO_cgraph_tags, LCC_NOT_FOUND): Move to ...
403         * lto-cgraph.c (LTO_cgraph_tags, LCC_NOT_FOUND): ... here;
404         simplify cgraph tags and document.
405         (lto_output_node): Use only LTO_cgraph_unavail_node and
406         LTO_cgraph_analyzed_node; Do not save analzed, reachable,
407         for_functions_valid, global info, process and output flags.
408         (input_overwrite_node): Initialize estimated stack size and
409         estimated growth.  Do not read flags we no longer store.
410         (input_node): Likewise do not read info no longer stored.
411         * ipa-inline.c (cgraph_mark_inline_edge): Do not set global.inlined
412         flag.
413
414 2010-04-30  Richard Guenther  <rguenther@suse.de>
415
416         PR tree-optimization/43879
417         * tree-ssa-structalias.c (get_constraint_for_1): Properly
418         handle non-zero initializers.
419
420 2010-04-30  Richard Guenther  <rguenther@suse.de>
421
422         * builtins.c (fold_builtin_1): Delete free (0).
423
424 2010-04-29  Jan Hubicka  <jh@suse.cz>
425
426         * gengtype.c (open_base_files): Add lto-streamer.h
427         * cgraph.h (cgraph_local_info): lto_file_data is now in GGC.
428         (pass_ipa_cp): GGC collect.
429         * toplev. (compile_file): Do not output symbols.
430         * ipa-inline.c (pass_ipa_inline): Add ggc collect.
431         * timevar.def (TV_VARPOOL, TV_IPA_LTO_DECL_INIT_IO,
432         TV_IPA_LTO_DECL_MERGE, TV_IPA_LTO_CGRAPH_MERGE, TV_VAROUT): New.
433         * lto-section-in.c: Include ggc.h
434         (lto_new_in_decl_state): Alloc in GGC.
435         (lto_delete_in_decl_state): Likewise.
436         * ipa.c (pass_ipa_function_visibility, pass_ipa_whole_program):
437         Collect.
438
439 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
440
441         PR target/42895
442         * doc/tm.texi (ADJUST_REG_ALLOC_ORDER): Renamed from
443         ORDER_REGS_FOR_LOCAL_ALLOC.  All instances of this macro changed.
444         (HONOR_REG_ALLOC_ORDER): Describe new macro.
445         * ira.c (setup_alloc_regs): Use ADJUST_REG_ALLOC_ORDER if defined.
446         * ira-color.c (assign_hard_reg): Take prologue/epilogue costs into
447         account only if HONOR_REG_ALLOC_ORDER is not defined.
448         * config/arm/arm.h (HONOR_REG_ALLOC_ORDER): Define.
449         * system.h (ORDER_REGS_FOR_LOCAL_ALLOC): Poison.
450
451 2010-04-29  Jon Grant  <04@jguk.org>
452
453         * collect2.c (vflag): Change type from int to bool.
454         (debug): Likewise.
455         (helpflag): New global bool.
456         (main): Set vflag and debug with boolean, not integer truth values.
457         Accept new "--help" option and output usage text if found.
458         * collect2.h (vflag): Update prototype.
459         (debug): Likewise.
460
461 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
462
463         PR bootstrap/43936
464         * plugin.h (flag_plugin_added): Moved out of invoke_plugin_callbacks.
465
466 2010-04-29  Richard Guenther  <rguenther@suse.de>
467
468         PR bootstrap/43935
469         * plugin.h (invoke_plugin_callbacks): Annotate arguments
470         with ATTRIBUTE_UNUSED.
471
472 2010-04-29  H.J. Lu  <hongjiu.lu@intel.com>
473
474         PR target/43921
475         * config/i386/i386.c (get_some_local_dynamic_name): Replace
476         INSN_P with NONDEBUG_INSN_P.
477         (distance_non_agu_define): Likewise.
478         (distance_agu_use): Likewise.
479
480 2010-04-29  Bernd Schmidt  <bernds@codesourcery.com>
481
482         From Dominique d'Humieres <dominiq@lps.ens.fr>
483         PR bootstrap/43858
484         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs to compute
485         test_set.
486
487 2010-04-29  Brian Hackett  <bhackett1024@gmail.com>
488
489         * plugin.h (invoke_plugin_callbacks): New inline function.
490         * plugin.c (flag_plugin_added): New global flag.
491         (add_new_plugin): Initialize above flag.
492         (invoke_plugin_callbacks): Rename to ...
493         (invoke_plugin_callbacks_full): ... this.
494
495 2010-04-28  Jan Hubicka  <jh@suse.cz>
496
497         * lto-symtab.c (lto_symtab_entry_def) Add vnode.
498         (lto_varpool_replace_node): New.
499         (lto_symtab_resolve_symbols): Resolve varpool nodes.
500         (lto_symtab_merge_decls_1): Prefer decls with varpool node.
501         (lto_symtab_merge_cgraph_nodes_1): Merge varpools.
502         * cgraph.h (varpool_node_ptr): New type.
503         (varpool_node_ptr): New vector.
504         (varpool_node_set_def): New structure.
505         (varpool_node_set): New type.
506         (varpool_node_set): New vector.
507         (varpool_node_set_element_def): New structure.
508         (varpool_node_set_element, const_varpool_node_set_element): New types.
509         (varpool_node_set_iterator): New type.
510         (varpool_node): Add prev pointers, add used_from_other_partition,
511         in_other_partition.
512         (varpool_node_set_new, varpool_node_set_find, varpool_node_set_add,
513         varpool_node_set_remove, dump_varpool_node_set, debug_varpool_node_set,
514         varpool_get_node, varpool_remove_node): Declare.
515         (vsi_end_p, vsi_next, vsi_node, vsi_start, varpool_node_in_set_p,
516         varpool_node_set_size): New inlines.
517         * cgraph.c (dump_cgraph_node): Dump asm names of aliases.
518         * tree-pass.h (varpool_node_set_def): Forward declare.
519         (ipa_opt_pass_d): Summary writting takes vnode sets too.
520         (ipa_write_optimization_summaries): Update prototype.
521         * ipa-cp.c (ipcp_write_summary): Update.
522         * ipa-reference.c (ipa_reference_write_summary): Update.
523         * lto-cgraph.c (lto_output_varpool_node): New static function.
524         (output_varpool): New function.
525         (input_varpool_node): New static function.
526         (input_varpool_1): New function.
527         (input_cgraph): Input varpool.
528         * ipa-pure-const.c (pure_const_write_summary): Update.
529         * lto-streamer-out.c (lto_output): Update, output varpool too.
530         (write_global_stream): Kill WPA hack.
531         (produce_asm_for_decls): Update.
532         (output_alias_pair_p): Handle variables.
533         (output_unreferenced_globals): Output only needed partition of varpool.
534         * ipa-inline.c (inline_write_summary): Update.
535         * lto-streamer-in.c (lto_input_tree_ref, lto_input_tree): Do not build
536         cgraph.
537         * lto-section-in.c (lto_section_name): Add varpool and jump funcs.
538         * ipa.c (hash_varpool_node_set_element, eq_varpool_node_set_element,
539         varpool_node_set_new, varpool_node_set_add,
540         varpool_node_set_remove, varpool_node_set_find, dump_varpool_node_set,
541         debug_varpool_node_set): New functions.
542         * passes.c (rest_of_decl_compilation): when in LTO do not finalize.
543         (execute_one_pass): Process new decls too.
544         (ipa_write_summaries_2): Pass around vsets.
545         (ipa_write_summaries_1): Likewise.
546         (ipa_write_summaries): Build vset; be more selective about cgraph nodes
547         to add.
548         (ipa_write_optimization_summaries_1): Pass around vsets.
549         (ipa_write_optimization_summaries): Likewise.
550         * varpool.c (varpool_get_node): New.
551         (varpool_node): Update doubly linked lists.
552         (varpool_remove_node): New.
553         (dump_varpool_node): More dumping.
554         (varpool_enqueue_needed_node): Update doubly linked lists.
555         (decide_is_variable_needed): Kill ltrans hack.
556         (varpool_finalize_decl): Kill lto hack.
557         (varpool_assemble_decl): Skip decls in other partitions.
558         (varpool_assemble_pending_decls): Update doubly linkes lists.
559         (varpool_empty_needed_queue): Likewise.
560         (varpool_extra_name_alias): Likewise.
561         * lto-streamer.c (lto_get_section_name): Add vars section.
562         * lto-streamer.h (lto_section_type): Update.
563         (output_varpool, input_varpool): Declare.
564
565 2010-04-28  Mike Stump  <mikestump@comcast.net>
566
567         * config/i386/darwin.h (CC1_SPEC): Ignore -mdynamic-no-pic for now.
568
569 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
570
571         * lto-streamer-in.c (unpack_ts_type_value_fields): Replace test for
572         record or union type with RECORD_OR_UNION_TYPE_P predicate.
573         (lto_input_ts_type_tree_pointers): Likewise.
574         * lto-streamer-out.c (pack_ts_type_value_fields): Likewise.
575         (lto_output_ts_type_tree_pointers): Likewise.
576
577 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
578
579         Uniquization of constants at the Tree level
580         * tree.h (DECL_IN_CONSTANT_POOL): New macro.
581         (tree_decl_with_vis): Add in_constant_pool bit, move shadowed_for_var_p
582         bit to the end.
583         (tree_output_constant_def): Declare.
584         * gimplify.c (gimplify_init_constructor): When using block copy, first
585         uniquize the constant constructor on the RHS.
586         * lto-streamer-in.c (unpack_ts_decl_with_vis_value_fields): Deal with
587         DECL_IN_CONSTANT_POOL flag.
588         * lto-streamer-out.c (pack_ts_decl_with_vis_value_fields): Likewise.
589         * varasm.c (make_decl_rtl): Deal with variables belonging to the global
590         constant pool.
591         (assemble_variable): Deal with symbols belonging to the tree constant
592         pool.
593         (get_constant_section): Add ALIGN parameter and simplify.
594         (build_constant_desc): Build a VAR_DECL and attach it to the symbol.
595         (assemble_constant_contents): Use the expression of the VAR_DECL.
596         (output_constant_def_contents): Use the alignment of the VAR_DECL.
597         (tree_output_constant_def): New global function.
598         (mark_constant): Use the expression of the VAR_DECL.
599         (place_block_symbol): Use the alignment of the VAR_DECL and the size of
600         its expression.
601         (output_object_block): Likewise and assemble the expression.
602
603 2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>
604
605         * lto-streamer.c [LTO_STREAMER_DEBUG] (tree_htab, tree_hash_entry,
606         hash_tree, eq_tree): New tree hash table.
607         (lto_streamer_init) [LTO_STREAMER_DEBUG]: Initialize it.
608         [LTO_STREAMER_DEBUG] (lto_orig_address_map, lto_orig_address_get,
609         lto_orig_address_remove): Reimplement.
610
611 2010-04-28  Xinliang David Li  <davidxl@google.com>
612
613         PR c/42643
614         * tree-ssa-uninit.c (can_skip_redundant_opnd): New function.
615         (compute_uninit_opnds_pos): New function.
616         (is_non_loop_exit_postdominating): New function.
617         (compute_control_dep_chain): New function.
618         (find_pdom): New function.
619         (convert_control_dep_chain_into_preds): New function.
620         (find_predicates): New function.
621         (find_control_equiv_block): New function.
622         (collect_phi_def_edges): New function.
623         (find_def_preds): New function.
624         (find_dom): New function.
625         (dump_predicates): New function.
626         (get_cmp_code): New function.
627         (is_value_included_in): New function.
628         (find_matching_predicate_in_rest_chains): New function.
629         (use_pred_not_overlap_with_undef_path_pred): New function.
630         (is_use_properly_guarded): New function.
631         (normalize_cond_1): New function.
632         (is_and_or_or): New function.
633         (normalize_cond): New function.
634         (is_gcond_subset_of): New function.
635         (is_subset_of_any): New function.
636         (is_or_set_subset_of): New function.
637         (is_and_set_subset_of): New function.
638         (is_norm_cond_subset_of): New function.
639         (is_pred_expr_subset_of): New function.
640         (is_pred_chain_subset_of): New function.
641         (is_included_in): New function.
642         (is_superset_of): New function.
643         (find_uninit_use): New function.
644         (warn_uninitialized_phi): New function.
645         (compute_possibly_undefined_names): New function.
646         (ssa_undefined_value_p): New function.
647         (execute_late_warn_uninitialized): New function.
648         * tree-ssa.c (ssa_undefined_value_p): Removed.
649         (warn_uninit): Changed to extern.
650         (warn_uninitialized_phi): Removed.
651         (warn_uninitialized_vars): Changed to extern.
652         (execute_late_warn_uninitialized): Removed
653         * tree-flow.h: Add new prototypes.
654         * timevar.def: Add new time variable.
655         * Makefile.in: Add new build file.
656
657 2010-04-28  Uros Bizjak  <ubizjak@gmail.com>
658
659         * config/alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
660         type if available.
661
662 2010-04-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
663
664         PR target/22224
665         * config/alpha/osf5.h (ASM_OUTPUT_LOCAL): Redefine.
666
667 2010-04-28  Martin Jambor  <mjambor@suse.cz>
668
669         * cgraph.h (struct cgraph_node): New field indirect_calls.
670         (struct cgraph_indirect_call_info): New type.
671         (struct cgraph_edge): Removed field indirect_call. New fields
672         indirect_info, indirect_inlining_edge and indirect_unknown_callee.
673         (cgraph_create_indirect_edge): Declare.
674         (cgraph_make_edge_direct): Likewise.
675         (enum LTO_cgraph_tags): New item LTO_cgraph_indirect_edge.
676         * ipa-prop.h (struct ipa_param_call_note): Removed.
677         (struct ipa_node_params): Removed field param_calls.
678         (ipa_create_all_structures_for_iinln): Declare.
679         * cgraph.c: Described indirect edges and uids in initial comment.
680         (cgraph_add_edge_to_call_site_hash): New function.
681         (cgraph_edge): Search also among the indirect edges, use
682         cgraph_add_edge_to_call_site_hash to add edges to the call site hash.
683         (cgraph_set_call_stmt): Possibly turn an indirect edge into a direct
684         one, use cgraph_add_edge_to_call_site_hash to add edges to the call
685         site hash.
686         (initialize_inline_failed): Assign a reason to indirect edges.
687         (cgraph_create_edge_1): New function.
688         (cgraph_create_edge): Moved some functionality to
689         cgraph_create_edge_1.
690         (cgraph_create_indirect_edge): New function.
691         (cgraph_edge_remove_callee): Add an assert checking for
692         non-indirectness.
693         (cgraph_edge_remove_caller): Special-case indirect edges.
694         (cgraph_remove_edge): Likewise.
695         (cgraph_set_edge_callee): New function.
696         (cgraph_redirect_edge_callee): Use cgraph_set_edge_callee.
697         (cgraph_make_edge_direct): New function.
698         (cgraph_update_edges_for_call_stmt_node): Do nothing only when also
699         the declaration of the call statement matches.
700         (cgraph_node_remove_callees): Special-case indirect edges.
701         (cgraph_clone_edge): Likewise.
702         (cgraph_clone_node): Clone also the indirect edges.
703         (dump_cgraph_node): Dump indirect_inlining_edge flag instead of
704         indirect_call, dump count of indirect_calls edges.
705         * ipa-prop.c (iinlining_processed_edges): New variable.
706         (ipa_note_param_call): Create indirect edges instead of
707         creating notes.  New parameter node.
708         (ipa_analyze_call_uses): New parameter node, pass it on to
709         ipa_note_param_call.
710         (ipa_analyze_stmt_uses): Likewise.
711         (ipa_analyze_params_uses): Pass node to ipa_analyze_stmt_uses.
712         (print_edge_addition_message): Work on edges rather than on notes.
713         (update_call_notes_after_inlining): Likewise, renamed to
714         update_indirect_edges_after_inlining.
715         (ipa_create_all_structures_for_iinln): New function.
716         (ipa_free_node_params_substructures): Do not free notes.
717         (ipa_edge_duplication_hook): Propagate bits within
718         iinlining_processed_edges bitmap.
719         (ipa_node_duplication_hook): Do not duplicate notes.
720         (free_all_ipa_structures_after_ipa_cp): Renamed to
721         ipa_free_all_structures_after_ipa_cp.
722         (free_all_ipa_structures_after_iinln): Renamed to
723         ipa_free_all_structures_after_iinln.g
724         (ipa_write_param_call_note): Removed.
725         (ipa_read_param_call_note): Removed.
726         (ipa_write_indirect_edge_info): New function.
727         (ipa_read_indirect_edge_info): Likewise.
728         (ipa_write_node_info): Do not stream notes, do stream information
729         in indirect edges.
730         (ipa_read_node_info): Likewise.
731         (lto_ipa_fixup_call_notes): Removed.
732         * ipa-cp.c (pass_ipa_cp): Set stmt_fixup to NULL.
733         * ipa-inline.c (pass_ipa_inline): Likewise.
734         * cgraphunit.c (verify_cgraph_node): Check also indirect edges.
735         * cif-code.def (INDIRECT_UNKNOWN_CALL): New reason.
736         * tree-inline.c (copy_bb): Removed an unnecessary double check for
737         is_gimple_call.
738         * tree-inline.c (get_indirect_callee_fndecl): Do not consider indirect
739         edges.
740         * lto-cgraph.c (output_outgoing_cgraph_edges): New function.
741         (output_cgraph): Stream also indirect edges.
742         (lto_output_edge): Added capability to stream indirect edges.
743         (input_edge): Likewise.
744         (input_cgraph_1): Likewise.
745         * lto-streamer-in.c (fixup_call_stmt_edges_1): Fixup also statements
746         of indirect edges.
747
748 2010-04-28  Richard Guenther  <rguenther@suse.de>
749
750         PR tree-optimization/43879
751         PR tree-optimization/43909
752         * tree-ssa-structalias.c (struct variable_info): Add
753         only_restrict_pointers flag.
754         (new_var_info): Initialize it.  Increment stats.total_vars here.
755         (create_function_info_for): Do not increment stats.total_vars
756         here.
757         (get_function_part_constraint): Fix build with C++.
758         (insert_into_field_list): Remove.
759         (push_fields_onto_fieldstack): Properly merge fields.
760         (create_variable_info_for): Split and simplify.
761         (create_variable_info_for_1): New piece.
762         (intra_create_variable_infos): Properly make restrict constraints
763         from parameters.
764
765 2010-04-28  Richard Guenther  <rguenther@suse.de>
766
767         PR c++/43880
768         * tree-inline.c (copy_bind_expr): Also copy bind expr vars value-exprs.
769
770 2010-04-27  Manuel López-Ibáñez  <manu@gcc.gnu.org>
771             Jan Hubicka <hubicka@ucw.cz>
772
773         * doc/invoke.texi (-Wsuggest-attribute=const,
774         -Wsuggest-attribute=pure): Document.
775         * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
776         (function_always_visible_to_compiler_p,
777         suggest_attribute, warn_function_pure, warn_function_const):
778         New functions.
779         (check_call): Improve debug info.
780         (analyze_function): Do not check availability.
781         (add_new_function): Check availability.
782         (propagate): Output warnings.
783         (skip_function_for_local_pure_const): New function.
784         (local_pure_const): Use it; output warnings.
785         * common.opt (Wsuggest-attribute=const,
786         Wsuggest-attribute=pure): New.
787
788 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
789
790         * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
791         force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
792         or DW_CFA_def_cfa_offset{,_sf}.
793
794 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
795
796         * tree.h: Fix truncated long macros.
797
798 2010-04-27  Kai Tietz  <kai.tietz@onevision.com>
799
800         * collect2.c (TARGET_64BIT): Redefine to target's default.
801         * tlink.c: Likewise.
802         * config/i386/cygming.h (USER_LABEL_PREFIX): Define
803         dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
804         * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
805         for underscoring __USER_LABEL_PREFIX__.
806         * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
807         (SUB_LINK_ENTRY32): New.
808         (SUB_LINK_ENTRY64): New.
809         (LINK_SPEC): Replace entry point spec by SUB_LINK_ENTRY.
810         * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
811         (SUB_LINK_ENTRY64): New.
812         (SUB_LINK_ENTRY): New.
813         (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
814         (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
815         x64 target is choosen.
816         * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
817         * configure: Regenerated.
818         * configure.ac (leading-mingw64-underscores): Option added.
819
820 2010-04-27  Jan Hubicka  <jh@suse.cz>
821
822         * doc/invoke.texi (-fipa-profile): Document.
823         * opts.c (decode_options): Enable ipa-profile at -O1.
824         * timevar.def (TV_IPA_PROFILE): Define.
825         * common.opt (fipa-profile): Add.
826         * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
827         flag for clones.
828         (cgraph_propagate_frequency): Handle only local ones.
829         * tree-pass.h (pass_ipa_profile): Declare.
830         * ipa-profile.c (gate_profile): Use flag_ipa_profile.
831         (pass_ipa_profile): Use TV_IPA_PROFILE.
832         * ipa.c (ipa_profile): New function.
833         (gate_ipa_profile): Likewise.
834         (pass_ipa_profile): New global variable.
835         * passes.c (pass_ipa_profile): New.
836
837 2010-04-27  Nathan Froyd  <froydnj@codesourcery.com>
838
839         * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
840
841 2010-04-27  Martin Jambor  <mjambor@suse.cz>
842
843         PR middle-end/43812
844         * ipa.c (dissolve_same_comdat_group_list): New function.
845         (function_and_variable_visibility): Call
846         dissolve_same_comdat_group_list when comdat group contains external or
847         newly local nodes.
848         * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
849         lists are circular and that they contain only DECL_ONE_ONLY nodes.
850
851 2010-04-27  Eric Botcazou  <ebotcazou@adacore.com>
852
853         * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
854         (const_hash_1) <VECTOR_CST>: New case.
855         (compare_constant) <VECTOR_CST>: Likewise.
856         <ADDR_EXPR>: Deal with LABEL_REFs.
857         (copy_constant) <VECTOR_CST>: New case.
858
859 2010-04-27  Jan Hubicka  <jh@suse.cz>
860
861         * cgraph.c (cgraph_propagate_frequency): New function.
862         * cgraph.h (cgraph_propagate_frequency): Declare.
863         * ipa-inline.c (cgraph_clone_inlined_nodes): Call
864         cgraph_propagate_frequency.
865
866 2010-04-27  Jakub Jelinek  <jakub@redhat.com>
867
868         * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
869
870 2010-04-27  Bernd Schmidt  <bernds@codesourcery.com>
871
872         PR target/40657
873         * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
874         (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
875         here to determine which regs to push and how much stack to reserve.
876
877 2010-04-27  Jie Zhang  <jie@codesourcery.com>
878
879         * doc/gimple.texi (gimple_statement_with_ops): Remove
880         addresses_taken field.
881         (gimple_statement_with_memory_ops): Likewise.
882
883 2010-04-27  Jan Hubicka  <jh@suse.cz>
884
885         * tree-inline.c (eni_inlining_weights): Remove.
886         (estimate_num_insns): Special case more builtins.
887
888 2010-04-27  Shujing Zhao  <pearly.zhao@oracle.com>
889
890         PR c/32207
891         * c-typeck.c (build_binary_op): Move forward check for comparison
892         pointer with null pointer constant and adjust the diagnostic message.
893
894 2010-04-27  Dave Korn  <dave.korn.cygwin@gmail.com>
895
896         PR lto/42776
897         * configure.ac (gcc_cv_as_section_has_align): Set if installed
898         binutils supports extended .section directive needed by LTO, or
899         warn if older binutils found.
900         (LTO_BINARY_READER): New AC_SUBST'd variable.
901         (LTO_USE_LIBELF): Likewise.
902         * gcc/config.gcc (lto_binary_reader): New target-specific configure
903         variable.
904         * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
905         (LTO_USE_LIBELF): Likewise.
906         * configure: Regenerate.
907
908         * collect2.c (is_elf): Rename from this ...
909         (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
910          object files in addition to ELF-formatted ones.
911         (scan_prog_file): Caller updated.  Also allow for LTO info marker
912         symbol to be prefixed or not by an extra underscore.
913
914         * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
915         * config/i386/winnt.c: Also #include lto-streamer.h
916         (i386_pe_asm_named_section): Specify 1-byte section alignment for
917         LTO named sections.
918         (i386_pe_asm_output_aligned_decl_common): Add comment.
919         (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
920
921 2010-04-27  Hans-Peter Nilsson  <hp@bitrange.com>
922
923         PR target/43889
924         * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
925         Add missing earlyclobber for second alternative.
926
927 2010-04-26  Bernd Schmidt  <bernds@codesourcery.com>
928
929         * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
930         bits for artificial defs at the top of the block.
931         * fwprop.c (single_def_use_enter_block): Don't call it.
932
933 2010-04-26  Jack Howarth <howarth@bromo.med.uc.edu>
934
935         PR 43715
936         * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
937         instead of "$gcc_cv_objdump -T".
938         Use "-undefined dynamic_lookup" on darwin.
939         * gcc/configure: Regenerate.
940
941 2010-04-26  Jakub Jelinek  <jakub@redhat.com>
942
943         PR c/43893
944         * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
945
946 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
947
948         * c-parser.c (struct c_token): Move location field up.
949         * c-tree.h (struct c_typespec): Move expr_const_operands field up.
950         (struct c_declspecs): Convert typespec_word, storage_class, and
951         default_int_p into bitfields.
952         (struct c_declarator): Move loc field up.
953
954 2010-04-26  Nathan Froyd  <froydnj@codesourcery.com>
955
956         * cfgloop.h (struct loop): Move can_be_parallel field up.
957         * ipa-prop.h (struct ip_node_params): Move bitfields up.
958         * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
959         down.
960         (struct iv_cand): Convert pos field into a bitfield.
961         * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
962         field up.
963         (struct _stmt_vec_info): Shuffle fields for better packing.
964
965 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
966
967         * varasm.c (IN_NAMED_SECTION): Remove guard.
968         * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
969         (IN_NAMED_SECTION_P): ...this.
970         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
971         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
972
973 2010-04-26  Eric Botcazou  <ebotcazou@adacore.com>
974
975         * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
976         Use VOID_TYPE_P for all void type tests.  Adjust TYPE variable instead
977         of shadowing it.  Fix comments.
978
979 2010-04-26  Jan Hubicka  <jh@suse.cz>
980
981         * cgraph.c (cgraph_create_node): Set node frequency to normal.
982         (cgraph_clone_node): Copy function frequency.
983         * cgraph.h (node_frequency): New enum
984         (struct cgraph_node): Add.
985         * final.c (rest_of_clean_state): Update.
986         * lto-cgraph.c (lto_output_node): Output node frequency.
987         (input_overwrite_node): Input node frequency.
988         * tre-ssa-loop-ivopts (computation_cost): Update.
989         * lto-streamer-out.c (output_function): Do not output function
990         frequency.
991         * predict.c (maybe_hot_frequency_p): Update and handle functions
992         executed once.
993         (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
994         attribute lookup.
995         (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
996         (compute_function_frequency): Set noreturn functions to be executed
997         once.
998         (choose_function_section): Update.
999         * lto-streamer-in.c (input_function): Do not input function frequency.
1000         * function.c (allocate_struct_function): Do not initialize function
1001         frequency.
1002         * function.h (function_frequency): Remove.
1003         (struct function): Remove function frequency.
1004         * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
1005         (try_update): Update.
1006         * tree-inline.c (initialize_cfun): Do not update function frequency.
1007         * passes.c (pass_init_dump_file): Update.
1008         * i386.c (ix86_compute_frame_layout): Update.
1009         (ix86_pad_returns): Update.
1010
1011 2010-04-26  Jie Zhang  <jie@codesourcery.com>
1012
1013         PR tree-optimization/43833
1014         * tree-vrp.c (range_int_cst_p): New.
1015         (range_int_cst_singleton_p): New.
1016         (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
1017         when both operands are constants.  Use range_int_cst_p in
1018         BIT_IOR_EXPR case.
1019
1020 2010-04-26  Jan Hubicka  <jh@suse.cz>
1021
1022         * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
1023
1024 2010-04-26  Richard Guenther  <rguenther@suse.de>
1025
1026         PR lto/43080
1027         * gimple.c (gimple_decl_printable_name): Deal gracefully
1028         with a NULL DECL_NAME.
1029
1030 2010-04-26  Richard Guenther  <rguenther@suse.de>
1031
1032         PR lto/42425
1033         * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
1034         if emitting debug information and it is either a function
1035         or a namespace decl.
1036
1037 2010-04-26  Ira Rosen  <irar@il.ibm.com>
1038
1039         * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
1040         determine if the statement is vectorizable, and a macro to access it.
1041         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1042         Skip statements that can't be vectorized. If the analysis fails,
1043         mark the statement as unvectorizable if vectorizing basic block.
1044         (vect_compute_data_refs_alignment): Likewise.
1045         (vect_verify_datarefs_alignment): Skip statements marked as
1046         unvectorizable. Add print.
1047         (vect_analyze_group_access): Skip statements that can't be
1048         vectorized. If the analysis fails, mark the statement as
1049         unvectorizable if vectorizing basic block.
1050         (vect_analyze_data_ref_accesses, vect_analyze_data_refs): Likewise.
1051         * tree-vect-stmts.c (vectorizable_store): Fix the number of
1052         generated stmts for SLP.
1053         (new_stmt_vec_info): Initialize the new field.
1054         * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
1055         statements marked as unvectorizable.
1056
1057 2010-04-25  Joseph Myers  <joseph@codesourcery.com>
1058
1059         * c-common.c (flag_isoc1x): New.
1060         (flag_isoc99): Update comment.
1061         * c-common.h (flag_isoc1x): New.
1062         (flag_isoc99): Update comment.
1063         * c-cppbuiltin.c (builtin_define_float_constants): Also define
1064         __<type>_DECIMAL_DIG__.
1065         * c-opts.c (set_std_c1x): New.
1066         (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
1067         (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
1068         * c.opt (-std=c1x, -std=gnu1x): New options.
1069         * doc/cpp.texi: Mention -std=c1x.
1070         * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
1071         * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
1072         * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
1073         * doc/standards.texi: Mention C1X.
1074         * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
1075         LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
1076         LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
1077         Define for C1X.
1078
1079 2010-04-25  Uros Bizjak  <ubizjak@gmail.com>
1080
1081         * config/i386/gmon-sol2.c (_mcleanup): Change format string
1082         placeholder from 0x%x to %#x.
1083         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
1084         * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
1085         * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
1086         * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
1087         * config/i386/i386.c (ix86_target_string): Ditto.
1088         (output_pic_addr_const): Ditto.
1089         (print_operand): Ditto.
1090
1091 2010-04-25  Paolo Bonzini  <bonzini@gnu.org>
1092
1093         * combine.c (find_split_point): Add third argument.  Use it
1094         to find nested multiply-accumulate instructions.  Adjust calls.
1095         (try_combine): Adjust call to find_split_point.
1096
1097 2010-04-24  Gerald Pfeifer  <gerald@pfeifer.com>
1098
1099         * doc/contrib.texi (Contributors): Add Dodji Seketeli.
1100
1101 2010-04-24  Bernd Schmidt  <bernds@codesourcery.com>
1102
1103         PR tree-optimization/41442
1104         * fold-const.c (merge_truthop_with_opposite_arm): New function.
1105         (fold_binary_loc): Call it.
1106
1107 2010-04-23  Manuel López-Ibáñez  <manu@gcc.gnu.org>
1108
1109         * toplev.c (general_init): Set default for fdiagnostics-show-option.
1110         * opts.c (common_handle_option): Allow disabling it.
1111         * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
1112
1113 2010-04-23  Eric Botcazou  <ebotcazou@adacore.com>
1114
1115         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
1116         between modes if both types are integral.
1117
1118 2010-04-23  Richard Guenther  <rguenther@suse.de>
1119
1120         PR tree-optimization/43572
1121         * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
1122
1123 2010-04-23  Richard Guenther  <rguenther@suse.de>
1124
1125         PR lto/43455
1126         * tree-inline.c (tree_can_inline_p): Also check compatibility
1127         of return types.
1128
1129 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1130
1131         PR tree-optimization/43846
1132         * tree-sra.c (struct access): New flag grp_assignment_read.
1133         (build_accesses_from_assign): Set grp_assignment_read.
1134         (sort_and_splice_var_accesses): Propagate grp_assignment_read.
1135         (enum mark_read_status): New type.
1136         (analyze_access_subtree): Propagate grp_assignment_read, create
1137         accesses also if both direct_read and root->grp_assignment_read.
1138
1139 2010-04-23  Martin Jambor  <mjambor@suse.cz>
1140
1141         PR middle-end/43835
1142         * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
1143         function does not have type attributes.
1144
1145 2010-04-23  Richard Guenther  <rguenther@suse.de>
1146
1147         PR lto/42653
1148         * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
1149         of FUNCTION_DECLs.
1150
1151 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1152
1153         * sese.h (create_if_region_on_edge): Remove.
1154
1155         * sese.c (create_if_region_on_edge): Make static.
1156
1157         * tree-inline.c: Do not include ggc.h.
1158
1159         * expr.c: Do not include ggc.h.
1160
1161         * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
1162         dependencies.
1163
1164 2010-04-22  Kaz Kojima  <kkojima@gcc.gnu.org>
1165
1166         PR target/43744
1167         * config/sh/sh.c (find_barrier): Don't emit a constant pool
1168         in the middle of insns for casesi_worker_2.
1169
1170 2010-04-22  David Edelsohn  <edelsohn@gnu.org>
1171
1172         * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
1173
1174 2010-04-22  Ira Rosen  <irar@il.ibm.com>
1175
1176         PR tree-optimization/43842
1177         * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
1178         loop unrolling in update of exit phis. Fix comment.
1179         * tree-vect-slp.c (vect_analyze_slp): Check that there are at
1180         least two reduction statements in the loop before starting SLP
1181         analysis.
1182
1183 2010-04-22  Nick Clifton  <nickc@redhat.com>
1184
1185         * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
1186
1187 2010-04-22  Alexander Monakov  <amonakov@ispras.ru>
1188
1189         * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
1190         to simplify a + ~a.
1191
1192 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1193
1194         * tree-parloops.c (loop_parallel_p): New argument
1195         parloop_obstack.  Pass it down.
1196         (parallelize_loops): New variable parloop_obstack.  Initialize it,
1197         pass it down, free it.
1198
1199         * tree-loop-linear.c (linear_transform_loops): Pass down
1200         lambda_obstack.
1201
1202         * tree-data-ref.h (lambda_compute_access_matrices): New argument
1203         of type struct obstack *.
1204
1205         * tree-data-ref.c (analyze_subscript_affine_affine): New variable
1206         scratch_obstack.  Initialize it, pass down, free it.
1207
1208         * lambda.h (lambda_loop_new): Remove.
1209         (lambda_matrix_new, lambda_matrix_inverse)
1210         (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
1211         argument of type struct obstack *.
1212
1213         * lambda-trans.c (lambda_trans_matrix_new): New argument
1214         lambda_obstack.  Pass it down, use obstack allocation for ret.
1215         (lambda_trans_matrix_inverse): New argument lambda_obstack.  Pass
1216         it down.
1217
1218         * lambda-mat.c (lambda_matrix_get_column)
1219         (lambda_matrix_project_to_null): Remove.
1220         (lambda_matrix_new): New argument lambda_obstack.  Use obstack
1221         allocation for mat.
1222         (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
1223         lambda_obstack.
1224
1225         * lambda-code.c (lambda_loop_new): New function.
1226         (lambda_lattice_new, compute_nest_using_fourier_motzkin)
1227         (lambda_compute_auxillary_space, lambda_compute_target_space)
1228         (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
1229         (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
1230         (build_access_matrix): New argument lambda_obstack.  Use obstack
1231         allocation for am.
1232         (lambda_compute_step_signs, lambda_compute_access_matrices): New
1233         argument lambda_obstack.  Pass it down.
1234
1235 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1236
1237         * optabs.h (expand_widening_mult): Declare.
1238
1239 2010-04-22  Richard Guenther  <rguenther@suse.de>
1240
1241         PR tree-optimization/43845
1242         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
1243         lookup the CALL_EXPR function and arguments.
1244
1245 2010-04-22  Nick Clifton  <nickc@redhat.com>
1246
1247         * config/stormy16/stormy16.c
1248         (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
1249         * config/stormy16/stormy16.h: Tidy up formatting.
1250         (DONT_USE_BUILTIN_SETJMP): Remove definition.
1251         * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
1252         (ineqbranchsi): Delete pattern.
1253         * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
1254         * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
1255         * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
1256         stormy16-lib2-ucmpsi2.c.
1257
1258 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1259
1260         * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
1261         df_simulate_find_noclobber_defs as appropriate.  Keep track of an
1262         extra set merge_set_noclobber, and use it to relax the final test
1263         slightly.
1264         * df.h (df_simulate_find_noclobber_defs): Declare.
1265         * df-problems.c (df_simulate_find_defs): Don't ignore partial or
1266         conditional defs.
1267         (df_simulate_find_noclobber_defs): New function.
1268
1269 2010-04-22  Uros Bizjak  <ubizjak@gmail.com>
1270
1271         * config/i386/i386.md: Use {} around multi-line preparation statements.
1272
1273 2010-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1274
1275         * c-tree.h (push_init_level, pop_init_level, set_init_index)
1276         (process_init_element): New argument of type struct obstack *.
1277
1278         * c-typeck.c (push_init_level, pop_init_level, set_designator)
1279         (set_init_index, set_init_label, set_nonincremental_init)
1280         (set_nonincremental_init_from_string, find_init_member)
1281         (output_init_element, output_pending_init_elements)
1282         (process_init_element): New argument braced_init_obstack.  Pass it
1283         down.
1284         (push_range_stack, add_pending_init): New argument
1285         braced_init_obstack.  Use obstack allocation.
1286
1287         * c-parser.c (c_parser_initelt, c_parser_initval): New argument
1288         braced_init_obstack.  Pass it down.
1289         (c_parser_braced_init): New variables ret, braced_init_obstack.
1290         Initialize obstack, pass it down and finally free it.
1291
1292 2010-04-22  Bernd Schmidt  <bernds@codesourcery.com>
1293
1294         PR middle-end/29274
1295         * tree-pass.h (pass_optimize_widening_mul): Declare.
1296         * tree-ssa-math-opts.c (execute_optimize_widening_mul,
1297         gate_optimize_widening_mul): New static functions.
1298         (pass_optimize_widening_mul): New.
1299         * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
1300         <case MULT_EXPR>: Remove support for widening multiplies.
1301         * tree.def (WIDEN_MULT_EXPR): Tweak comment.
1302         * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
1303         simplify_gen_unary rather than directly building extensions.
1304         * tree-cfg.c (verify_gimple_assign_binary): Add tests for
1305         WIDEN_MULT_EXPR.
1306         * expmed.c (expand_widening_mult): New function.
1307         * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
1308
1309 2010-04-21  Jan Hubicka  <jh@suse.cz>
1310
1311         * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
1312         * lto-section-in.c (lto_section_name): Remove wpa_fixup.
1313         * lto-wpa-fixup.c: Remove.
1314         * Makefile.in (lto-wpa-fixup.o): Remove.
1315         * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
1316         (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
1317         * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
1318
1319 2010-04-21  Jan Hubicka  <jh@suse.cz>
1320
1321         * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
1322         add write_optimization_summary, read_optimization_summary.
1323         (ipa_write_summaries_of_cgraph_node_set): Remove.
1324         (ipa_write_optimization_summaries): Declare.
1325         (ipa_read_optimization_summaries): Declare.
1326         * ipa-cp.c (pass_ipa_cp): Update.
1327         * ipa-reference.c (pass_ipa_reference): Update.
1328         * ipa-pure-const.c (pass_ipa_pure_const): Update.
1329         * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
1330         Update.
1331         * ipa-inline.c (pass_ipa_inline): Update.
1332         * ipa.c (pass_ipa_whole_program): Update.
1333         * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
1334         * passes.c (ipa_write_summaries_1): Do not test wpa.
1335         (ipa_write_optimization_summaries_1): New.
1336         (ipa_write_optimization_summaries): New.
1337         (ipa_read_summaries): Do not test ltrans.
1338         (ipa_read_optimization_summaries_1): New.
1339         (ipa_read_optimization_summaries): New.
1340
1341 2010-04-21  Jan Hubicka  <jh@suse.cz>
1342
1343         * lto-cgraph.c (lto_output_node): Do not output comdat groups
1344         for boundary nodes.
1345         (output_cgraph): Do not arrange comdat groups for boundary nodes.
1346
1347 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1348
1349         PR debug/40040
1350         * dwarf2out.c (add_name_and_src_coords_attributes): Add
1351         DW_AT_{,MIPS_}linkage_name even for Fortran decls.
1352
1353 2010-04-21  Jan Hubicka  <jh@suse.cz>
1354
1355         * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
1356
1357 2010-04-21  Jan Hubicka  <jh@suse.cz>
1358
1359         * varpool.c (decide_is_variable_needed): Variable is always needed
1360         during ltrans.
1361
1362 2010-04-21  Jan Hubicka  <jh@suse.cz>
1363
1364         * opts.c (decode_options): Enable pure-const pass for whopr.
1365
1366 2010-04-21  Jan Hubicka  <jh@suse.cz>
1367
1368         * cgraph.c (dump_cgraph_node): Dump also assembler name.
1369         * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
1370         at WPA dumping.
1371         (cgraph_decide_inlining): Do not expect callee to be removed in all
1372         cases.
1373
1374 2010-04-21  Eric B. Weddington  <eric.weddington@atmel.com>
1375
1376         * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
1377
1378 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1379
1380         * config/i386/i386.md (x86_shrd): Add athlon_decode and
1381         amdfam10_decode attributes.
1382
1383 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1384
1385         PR middle-end/43570
1386         * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
1387         OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
1388         (lower_copyprivate_clauses): Use private var in outer
1389         context instead of original var.  Make sure the types
1390         are correct for VLAs.
1391
1392 2010-04-21  Richard Guenther  <rguenther@suse.de>
1393
1394         * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
1395         to non-pointer objects.
1396
1397 2010-04-21  Jakub Jelinek  <jakub@redhat.com>
1398
1399         * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument.  Drop
1400         last chain entry if it starts with the still current label.
1401         (add_location_or_const_value_attribute): Check that
1402         loc_list->first->next is NULL instead of comparing ->first with ->last.
1403         (dwarf2out_var_location): Pass last_label resp. last_postcall_label
1404         to add_var_loc_to_decl.
1405
1406         * dwarf2out.c (output_call_frame_info): For dw_cie_version
1407         >= 4 add also address size and segment size fields into CIE header.
1408
1409         * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
1410         long as address size is the same as sizeof (void *) and
1411         segment size is 0.
1412         * unwind-dw2-fde.c (get_cie_encoding): Likewise.  If
1413         address size or segment size is unexpected, return DW_EH_PE_omit.
1414         (classify_object_over_fdes): If get_cie_encoding returned
1415         DW_EH_PE_omit, return -1.
1416         (init_object): If classify_object_over_fdes returned -1,
1417         pretend there were no FDEs at all.
1418
1419 2010-04-21  Uros Bizjak  <ubizjak@gmail.com>
1420
1421         * config/i386/i386.md (bswap<mode>2): Macroize expander from
1422         bswap{si,di}2 using SWI48 mode iterator.
1423         (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
1424         SWI48 mode iterator.  Set type attribute of bswap insn to bitmanip,
1425         set modrm attribute of bswap insn to 0 and remove length attribute.
1426         (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
1427         iterator.  Set type attribute to bitmanip, set modrm attribute to 0,
1428         set mode attribute to <MODE> and remove length attribute.
1429
1430 2010-04-20  James E. Wilson  <wilson@codesourcery.com>
1431
1432         PR rtl-optimization/43520
1433         * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
1434         zero available registers.
1435
1436 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1437
1438         * builtins.c (fold_builtin_cproj): Fold more cases.
1439
1440 2010-04-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1441
1442         * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
1443         (fold_builtin_1): Fold builtin cproj.
1444         * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
1445         Use ATTR_CONST_NOTHROW_LIST.
1446
1447 2010-04-20  Uros Bizjak  <ubizjak@gmail.com>
1448
1449         * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
1450         and ffsdi2 using SWI48 mode iterator.  Expand SImode insn through
1451         ffsi2_no_cmove for !TARGET_CMOVE.
1452         (ffssi2_no_cmove): Rename from *ffs_no_cmove.  Make public.
1453         (ffssi2): Remove expander.
1454         (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
1455         mode iterator.
1456         (ctz<mode>2): Ditto from ctz{si,di}2.
1457         (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
1458         mode iterator.
1459         (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
1460         mode iterator.
1461
1462 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1463
1464         * dwarf2out.c (AT_linkage_name): Define.
1465         (clone_as_declaration): Handle DW_AT_linkage_name.
1466         (add_name_and_src_coords_attributes): Use AT_linkage_name instead
1467         of DW_AT_MIPS_linkage_name.
1468         (move_linkage_attr): Likewise.
1469         (dwarf2out_finish): Likewise.
1470
1471 2010-04-20  Xinliang David Li  <davidxl@gcc.gnu.org>
1472
1473         PR middle-end/41952
1474         * fold-const.c (fold_comparison): New folding rule.
1475
1476 2010-04-20  Anatoly Sokolov  <aesok@post.ru>
1477
1478         * double-int.h (double_int_setbit): Declare.
1479         * double-int.c (double_int_setbit): New function.
1480         * rtl.h (immed_double_int_const): Declare.
1481         * emit-rtl.c (immed_double_int_const): New function.
1482         * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
1483         and immed_double_int_const functions.
1484         * optabs.c (expand_absneg_bit, expand_copysign_absneg,
1485         expand_copysign_bit):  (Ditto.).
1486         * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
1487         * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
1488         * dojump.c (prefer_and_bit_test): (Ditto.).
1489         * expr.c (convert_modes, reduce_to_bit_field_precision,
1490         const_vector_from_tree): (Ditto.).
1491         * expmed.c (mask_rtx, lshift_value): (Ditto.).
1492
1493 2010-04-20  Jan Hubicka  <jh@suse.cz>
1494
1495         * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
1496         (dump_cgraph_node): Dump new flags.
1497         * cgraph.h (struct cgraph_node): Add flags
1498         reachable_from_other_partition and in_other_partition.
1499         (cgraph_can_remove_if_no_direct_calls_p): Functions used by
1500         other partition can not be removed.
1501         * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
1502         the other partition must be output; silence sanity checking on
1503         leaking functions bodies from other paritition.
1504         * lto-cgraph.c (reachable_from_other_partition_p): New function.
1505         (lto_output_node): Output new flags; do not sanity check that inline
1506         clones are output; drop lto_forced_extern_inline_p code; do not mock
1507         visibility flags at partition boundaries.
1508         (add_node_to): New function.
1509         (output_cgraph): Use it to sort functions so masters appear before
1510         clones.
1511         (input_overwrite_node): Input new flags.
1512         * passes.c (ipa_write_summaries): Do not call
1513         lto_new_extern_inline_states.
1514         * lto-section-out.c (forced_extern_inline,
1515         lto_new_extern_inline_states lto_delete_extern_inline_states,
1516         lto_force_functions_extern_inline, lto_forced_extern_inline_p): Kill.
1517         * lto-streamer.h (lto_new_extern_inline_states,
1518         * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
1519         lto_forced_extern_inline_p): Kill.
1520
1521 2010-04-20  Richard Guenther  <rguenther@suse.de>
1522
1523         * tree-ssa-structalias.c (do_sd_constraint): Add edges only
1524         from vars that can have pointers.
1525         (process_constraint): Dump useless constraints.
1526
1527 2010-04-20  Richard Guenther  <rguenther@suse.de>
1528
1529         * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
1530         (dump_sa_points_to_info): Remove asserts.
1531         (init_base_vars): nothing_id isn't an escape point nor does it
1532         have pointers.
1533
1534 2010-04-20  Jakub Jelinek  <jakub@redhat.com>
1535
1536         * tree.h (TYPE_REF_IS_RVALUE): Define.
1537         * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
1538         should_move_die_to_comdat, prune_unused_types_walk): Handle
1539         DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
1540         (modified_type_die, gen_reference_type_die): Emit
1541         DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
1542         if TYPE_REF_IS_RVALUE and -gdwarf-4.
1543
1544 2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1545
1546         PR target/43635
1547         * config/s390/s390.c (s390_emit_call): Turn direct into indirect
1548         calls for -fpic -m31 if they have been sibcall optimized.
1549
1550 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
1551
1552         * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
1553         ar.lc fixed and call-used.
1554
1555         * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
1556
1557 2010-04-19  Jan Hubicka  <jh@suse.cz>
1558
1559         * opts.c (decode_options): Disable whpr incompatible passes.
1560         * lto/lto.c (lto_1_to_1_map): Skip clones.
1561         (read_cgraph_and_symbols): Do not mark everything as needed.
1562         (do_whole_program_analysis): Do map only after optimizing;
1563         set proper cgraph_state; use passmanager.
1564
1565 2010-04-19  DJ Delorie  <dj@redhat.com>
1566
1567         * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
1568         POINTER_PLUS_EXPR and fix them.
1569
1570 2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>
1571
1572         * config/avr/avr-devices.c (avr_mcu_types): Add support for new
1573         devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
1574         attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
1575         atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
1576         atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
1577         atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
1578         atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
1579         atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
1580         m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
1581         atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
1582         * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
1583
1584 2010-04-19  Eric Botcazou  <ebotcazou@adacore.com>
1585
1586         * ifcvt.c (noce_try_cmove_arith): Fix long lines.
1587         (check_cond_move_block): Likewise.
1588         (cond_move_process_if_block): Likewise.
1589         (noce_find_if_block): Improve formatting.
1590         (find_if_header): Pass 0 to memset and tweak conditions.
1591         (cond_exec_find_if_block): Fix long lines and tweak conditions.
1592
1593 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1594
1595         * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
1596         for -gdwarf-4.
1597
1598         PR middle-end/43337
1599         * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
1600         with non-local decl doesn't need chain.
1601
1602 2010-04-19  Vladimir Makarov  <vmakarov@redhat.com>
1603
1604         * ira-color.c (allocno_reload_assign): Avoid accumulating
1605         reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
1606
1607 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1608
1609         * gimple.h (create_tmp_reg): Declare.
1610         * gimplify.c (create_tmp_reg): New function.
1611         (gimplify_return_expr): Use create_tmp_reg.
1612         (gimplify_omp_atomic): Likewise.
1613         (gimple_regimplify_operands): Likewise.
1614         * tree-dfa.c (make_rename_temp): Likewise.
1615         * tree-predcom.c (predcom_tmp_var): Likewise.
1616         (reassociate_to_the_same_stmt): Likewise.
1617         * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
1618         (get_replaced_param_substitute): Likewise.
1619         * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
1620         * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
1621         * tree-ssa-pre.c (get_representative_for): Likewise.
1622         (create_expression_by_pieces): Likewise.
1623         * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
1624         (create_tailcall_accumulator): Likewise.
1625
1626 2010-04-19  Martin Jambor  <mjambor@suse.cz>
1627
1628         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
1629         new_stmt.
1630         (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
1631
1632 2010-04-19  Richard Guenther  <rguenther@suse.de>
1633
1634         PR tree-optimization/43796
1635         * tree-vrp.c (adjust_range_with_scev): Lookup init and step
1636         from SCEV in the lattice.
1637         (vrp_visit_phi_node): Dump change.
1638
1639 2010-04-19  Richard Guenther  <rguenther@suse.de>
1640
1641         * configure.ac: Fix quoting around elf_getshstrndx ABI check.
1642         * configure: Re-generated.
1643
1644 2010-04-19  Richard Guenther  <rguenther@suse.de>
1645
1646         PR tree-optimization/43783
1647         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
1648         constant ARRAY_REF operands two and three if possible.
1649
1650 2010-04-19  Uros Bizjak  <ubizjak@gmail.com>
1651
1652         PR target/43766
1653         * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
1654
1655 2010-04-19  Jie Zhang  <jie@codesourcery.com>
1656
1657         PR target/43662
1658         * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
1659
1660 2010-04-19  Ira Rosen  <irar@il.ibm.com>
1661
1662         PR tree-optimization/37027
1663         * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
1664         and macro to access it.
1665         (vectorizable_reduction): Add argument.
1666         (vect_get_slp_defs): Likewise.
1667         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
1668         statements for possible use in SLP.
1669         (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
1670         (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
1671         (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
1672         add new argument.
1673         (vectorizable_reduction): Likewise.
1674         * tree-vect-stmts.c (vect_get_vec_defs): Update call to
1675         vect_get_slp_defs.
1676         (vectorizable_type_demotion, vectorizable_type_promotion,
1677         vectorizable_store): Likewise.
1678         (vect_analyze_stmt): Update call to vectorizable_reduction.
1679         (vect_transform_stmt): Likewise.
1680         * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
1681         (vect_build_slp_tree): Fix indentation. Check that there are no loads
1682         from different interleaving chains in same node.
1683         (vect_slp_rearrange_stmts): New function.
1684         (vect_supported_load_permutation_p): Allow load permutations for
1685         reductions. Call vect_slp_rearrange_stmts() to rearrange statements
1686         inside SLP nodes if necessary.
1687         (vect_analyze_slp_instance): Handle reductions.
1688         (vect_analyze_slp): Try to build SLP instances originating from groups
1689         of reductions.
1690         (vect_detect_hybrid_slp_stmts): Skip reduction statements.
1691         (vect_get_constant_vectors): Create initial vectors for reductions
1692         according to reduction code. Add new argument.
1693         (vect_get_slp_defs): Add new argument, pass it to
1694         vect_get_constant_vectors.
1695         (vect_schedule_slp_instance): Remove SLP tree root statements.
1696
1697 2010-04-19  Jakub Jelinek  <jakub@redhat.com>
1698
1699         * tree.h (ENUM_IS_SCOPED): Define.
1700         * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
1701         for ENUM_IS_SCOPED enums.
1702
1703 2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1704
1705         * fold-const.c (fold_comparison): Use ssizetype.
1706         * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
1707         * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
1708         * tree-loop-distribution.c (build_size_arg_loc): Likewise.
1709         * tree-object-size.c (compute_object_sizes): Use size_type_node.
1710
1711         * tree.h (initialize_sizetypes): Remove parameter.
1712         (build_common_tree_nodes): Remove second parameter.
1713         * stor-layout.c (initialize_sizetypes): Remove parameter.
1714         Always create an unsigned type.
1715         (set_sizetype): Assert that the passed type is unsigned and simplify.
1716         * tree.c (build_common_tree_nodes): Remove second parameter.
1717         Adjust call to initialize_sizetypes.
1718         * c-decl.c (c_init_decl_processing): Remove second argument in call to
1719         build_common_tree_nodes.
1720
1721 2010-04-18  Matthias Klose  <doko@ubuntu.com>
1722
1723         * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
1724
1725 2010-04-18  Ira Rosen  <irar@il.ibm.com>
1726
1727         PR tree-optimization/43771
1728         * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
1729         load permutation doesn't have gaps.
1730
1731 2010-04-18  Jan Hubicka  <jh@suse.cz>
1732
1733         * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
1734         (sse_prologue_save_insn expander): Use new pattern.
1735         (sse_prologue_save_insn1): New pattern and splitter.
1736         (sse_prologue_save_insn): Update to deal also with 64bit aligned
1737         blocks.
1738         * i386.c (setup_incoming_varargs_64): Do not compute jump
1739         destination here.
1740         (ix86_gimplify_va_arg): Update alignment needed.
1741         (ix86_local_alignment): Do not align all local arrays to 128bit.
1742
1743 2010-04-17  Jan Hubicka  <jh@suse.cz>
1744
1745         * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
1746
1747 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1748
1749         * arm.md (negdi2): Remove redundant code to force values into a
1750         register.
1751
1752 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1753
1754         * arm/bpabi.S: Add EABI alignment attributes to objects.
1755         * arm/bpabi-v6m.S: Likewise.
1756         * arm/crti.asm: Likewise.
1757         * arm/crtn.asm: Likewise.
1758         * arm/lib1funcs.asm: Likewise.
1759         * arm/libunwind.S: Likewise.
1760
1761 2010-04-17  Richard Earnshaw  <rearnsha@arm.com>
1762
1763         * arm-protos.h (tune_params): New structure.
1764         * arm.c (current_tune): New variable.
1765         (arm_constant_limit): Delete.
1766         (struct processors): Add pointer to the tune parameters.
1767         (arm_slowmul_tune): New tuning option.
1768         (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1769         (all_cores): Adjust to pick up the tuning model.
1770         (arm_constant_limit): New function.
1771         (arm_override_options): Select the appropriate tuning model.  Delete
1772         initialization of arm_const_limit.
1773         (arm_split_constant): Use the new constant-limit model.
1774         (arm_rtx_costs): Pick up the current tuning model.
1775         * arm.md (is_strongarm, is_xscale): Delete.
1776         * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1777         for Xscale variant architectures.
1778         (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1779
1780 2010-04-17  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1781
1782         * config/arm/arm.c (arm_gen_constant): Remove unused variable
1783         can_shift.
1784         (arm_rtx_costs_1): Remove unused variable extra_cost.
1785         (arm_unwind_emit_set): Use variable offset.
1786         (thumb1_output_casesi): Remove unused variable flags.
1787
1788 2010-04-16  Jeff Law  <law@redhat.com>
1789
1790         * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1791         needing assignment rather than doing a two-phase assignment.  Remove
1792         unused variable 'm'.
1793
1794 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1795
1796         PR bootstrap/43767
1797         * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1798
1799 2010-04-16  Doug Kwan  <dougkwan@google.com>
1800
1801         * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1802         (next_operand_entry_id): New static variable.
1803         (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1804         (add_to_ops_vec): Assigned unique ID to operand entry.
1805         (struct oecount_s): New field ID.
1806         (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1807         (undistribute_ops_list): Assign unique IDs to oecounts.
1808         (init_reassoc): reset next_operand_entry_id.
1809
1810 2010-04-16  Doug Kwan  <dougkwan@google.com>
1811
1812         * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1813         missing left parenthesis.
1814
1815 2010-04-16  Uros Bizjak  <ubizjak@gmail.com>
1816
1817         * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1818         *btdi_rex64 using SWI48 mode iterator.
1819         (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1820         (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1821         *jcc_btdi_mask_rex64.
1822
1823 2010-04-16  Anatoly Sokolov  <aesok@post.ru>
1824
1825         * double-int.h (tree_to_double_int): Convert to macro.
1826         * double-int.c (tree_to_double_int): Remove.
1827
1828 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1829
1830         PR debug/43762
1831         * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1832         with want_address 2 and in case a single element list might be
1833         possible, call it again with want_address 0.
1834
1835 2010-04-12  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
1836
1837         * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1838         case 'W' print operands for HI mode.
1839         * config/h8300/h8300.h (Y0, Y2) : New constraints.
1840         * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1841         (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1842         * config/h8300/predicate.md (bit_register_indirect_operand): New.
1843
1844         * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1845
1846         * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1847         cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1848         #xx:3 and #xx:4 mode.
1849
1850         * config/h8300/h8300.md (inverted load with HImode dest): Add
1851         support for H8300SX.
1852
1853         * config/h8300/predicate.md (bit_operand): Allow immediate values that
1854         satisfy 'U' constraint.
1855
1856 2010-04-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1857
1858         * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1859         * configure: Regenerate.
1860         * config.in: Regenerate.
1861         * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1862         works.
1863
1864 2010-04-16  Richard Guenther  <rguenther@suse.de>
1865
1866         * tree.h (struct tree_decl_minimal): Move pt_uid ...
1867         (struct tree_decl_common): ... here.
1868         (DECL_PT_UID): Adjust.
1869         (SET_DECL_PT_UID): Likewise.
1870         (DECL_PT_UID_SET_P): Likewise.
1871
1872 2010-04-16  Richard Guenther  <rguenther@suse.de>
1873
1874         PR tree-optimization/43572
1875         * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1876         * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1877         * tree-flow.h (is_call_clobbered): Remove.
1878         * tree-flow-inline.h (is_call_clobbered): Likewise.
1879         * tree-dfa.c (dump_variable): Do not dump call clobber state.
1880         * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1881         (execute_return_slot_opt): Adjust.
1882         * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1883         check for call clobbered vars here.
1884         (find_tail_calls): Move tailcall verification to the
1885         proper place.
1886
1887 2010-04-16  Diego Novillo  <dnovillo@google.com>
1888
1889         * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1890
1891 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1892
1893         PR target/40603
1894         * config/arm/arm.md (cbranchqi4): New pattern.
1895         * config/arm/predicates.md (const0_operand,
1896         cbranchqi4_comparison_operator): New predicates.
1897
1898 2010-04-16  Richard Guenther  <rguenther@suse.de>
1899
1900         * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1901         (dump_gimple_stmt): Likewise.
1902
1903 2010-04-16  Bernd Schmidt  <bernds@codesourcery.com>
1904
1905         * recog.h (struct recog_data): New field is_operator.
1906         (struct insn_operand_data): New field is_operator.
1907         * recog.c (extract_insn): Set recog_data.is_operator.
1908         * genoutput.c (output_operand_data): Emit code to set the
1909         is_operator field.
1910         * reload.c (find_reloads): Use it rather than testing for an
1911         empty constraint string.
1912
1913         PR target/41514
1914         * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1915         If the previous insn is a cbranchsi4_insn with the same arguments,
1916         omit the compare instruction.
1917
1918         * config/arm/arm.md (addsi3_cbranch): If destination is a high
1919         register, inputs must be low registers and we need a low register
1920         scratch.  Handle alternative 2 like alternative 3.
1921
1922 2010-04-16  Jakub Jelinek  <jakub@redhat.com>
1923
1924         * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1925         don't call get_addr on both.  If one expression is a VALUE and
1926         the other a REG, check VALUE's locs if the REG isn't among them.
1927
1928 2010-04-16  Christian Bruel  <christian.bruel@st.com>
1929
1930         * config/sh/sh.h (sh_frame_pointer_required): New function.
1931         * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1932         (flag_omit_frame_pointer) Set.
1933         (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1934         (rounded_frame_size): Adjust size with outgoing_args_size.
1935         (sh_set_return_address): Must return from stack pointer.
1936         * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1937         (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1938         (ACCUMULATE_OUTGOING_ARGS): Define.
1939         * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1940         * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1941
1942 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
1943
1944         PR target/43471
1945         * config/sh/sh.c (sh_legitimize_reload_address): Use
1946         MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1947         Remove a unneeded check for offset_base.
1948
1949 2010-04-15  H.J. Lu  <hongjiu.lu@intel.com>
1950
1951         * configure: Regenerated.
1952
1953 2010-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1954
1955         * config/s390/s390.c (s390_call_save_register_used): Switch back
1956         to HARD_REGNO_NREGS.
1957
1958 2010-04-15  Richard Guenther  <rguenther@suse.de>
1959
1960         * alias.c (alias_set_subset_of): Handle alias-set zero
1961         child properly.
1962
1963 2010-04-15  Mark Shinwell  <shinwell@codesourcery.com>
1964             Julian Brown  <julian@codesourcery.com>
1965
1966         * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1967         alternatives according to use of high and low regs.
1968         * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1969         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1970         optimizing for size on Thumb-2.
1971
1972 2010-04-15  Thomas Schwinge  <tschwinge@gnu.org>
1973
1974         * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1975
1976 2010-04-15  Richard Guenther  <rguenther@suse.de>
1977
1978         * tree-ssa-structalias.c (struct variable_info): Add
1979         is_fn_info flag.
1980         (new_var_info): Initialize it.
1981         (dump_constraints): Support printing last added constraints.
1982         (debug_constraints): Adjust.
1983         (dump_constraint_graph): Likewise.
1984         (make_heapvar_for): Check for NULL cfun.
1985         (get_function_part_constraint): New function.
1986         (get_fi_for_callee): Likewise.
1987         (find_func_aliases): Properly implement IPA PTA constraints.
1988         (process_ipa_clobber): New function.
1989         (find_func_clobbers): Likewise.
1990         (insert_into_field_list_sorted): Remove.
1991         (create_function_info_for): Properly allocate vars for IPA mode.
1992         Do not use insert_into_field_list_sorted.
1993         (create_variable_info_for): Properly generate constraints for
1994         global vars in IPA mode.
1995         (dump_solution_for_var): Always dump the solution.
1996         (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1997         (find_what_var_points_to): Adjust.
1998         (pt_solution_set): Change.
1999         (pt_solution_ior_into): New function.
2000         (pt_solution_empty_p): Export.
2001         (pt_solution_includes_global): Adjust.
2002         (pt_solution_includes_1): Likewise.
2003         (pt_solutions_intersect_1): Likewise.
2004         (dump_sa_points_to_info): Check some invariants.
2005         (solve_constraints): Move constraint dumping ...
2006         (compute_points_to_sets): ... here.
2007         (ipa_pta_execute): ... and here.
2008         (compute_may_aliases): Do not re-compute points-to info
2009         locally if IPA info is available.
2010         (ipa_escaped_pt): New global var.
2011         (ipa_pta_execute): Properly implement IPA PTA.
2012         * tree-into-ssa.c (dump_decl_set): Support dumping
2013         decls not in referenced-vars.
2014         * tree-flow.h (struct gimple_df): Add ipa_pta flag.
2015         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
2016         (dump_points_to_solution): Likewise.
2017         * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
2018         * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
2019         (remap_gimple_stmt): Reset call clobber/use information if necessary.
2020         (copy_decl_to_var): Copy DECL_PT_UID.
2021         (copy_result_decl_to_var): Likewise.
2022         * tree.c (make_node_stat): Initialize DECL_PT_UID.
2023         (copy_node_stat): Copy it.
2024         * tree.h (DECL_PT_UID): New macro.
2025         (SET_DECL_PT_UID): Likewise.
2026         (DECL_PT_UID_SET_P): Likewise.
2027         (struct tree_decl_minimal): Add pt_uid member.
2028         * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
2029         (pt_solution_empty_p): Declare.
2030         (pt_solution_set): Adjust.
2031         (ipa_escaped_pt): Declare.
2032         * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
2033         * gimple-pretty-print.c (pp_points_to_solution): New function.
2034         (dump_gimple_call): Dump call clobber/use information.
2035         * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
2036         * tree-pass.h (TDF_ALIAS): New dump option.
2037         * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
2038         * doc/invoke.texi (-fipa-pta): Update documentation.
2039
2040 2010-04-15  Richard Guenther  <rguenther@suse.de>
2041
2042         * Makefile.in (OBJS-common): Add gimple-fold.o.
2043         (gimple-fold.o): New rule.
2044         * tree.h (maybe_fold_offset_to_reference,
2045         maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
2046         prototypes ...
2047         * gimple.h: ... here.
2048         * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
2049         may_propagate_address_into_dereference): Move prototypes ...
2050         * gimple.h: ... here.
2051         * tree-ssa-ccp.c (get_symbol_constant_value,
2052         may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
2053         maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
2054         maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
2055         maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
2056         ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
2057         fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
2058         gimplify_and_update_call_from_tree): Move ...
2059         * gimple-fold.c: ... here.  New file.
2060         (ccp_fold_builtin): Rename to ...
2061         (gimple_fold_builtin): ... this.
2062         * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
2063
2064 2010-04-15  Richard Guenther  <rguenther@suse.de>
2065
2066         * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
2067         fit_double_type, force_fit_type_double, add_double_with_sign,
2068         neg_double, mul_double_with_sign, lshift_double, rshift_double,
2069         lrotate_double, rrotate_double, div_and_round_double): Move ...
2070         * double-int.c: ... here.
2071         * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
2072         add_double, neg_double, mul_double_with_sign, mul_double,
2073         lshift_double, rshift_double, lrotate_double, rrotate_double,
2074         div_and_round_double): Move prototypes ...
2075         * double-int.h: ... here.
2076
2077 2010-04-15  Bernd Schmidt  <bernds@codesourcery.com>
2078
2079         PR target/43742
2080         * config/sh/sh.md (doloop_end_split, dect): Undo previous patch.  Use
2081         matching constraints to ensure inputs match the output.
2082
2083 2010-04-15  Kaz Kojima  <kkojima@gcc.gnu.org>
2084
2085         PR target/43742
2086         * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
2087         in an input-only operand.
2088
2089 2010-04-15  Anatoly Sokolov  <aesok@post.ru>
2090
2091         * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
2092         (double_int_not, double_int_lshift, double_int_rshift): Declare.
2093         (double_int_negative_p): Convert to static inline function.
2094         * double-int.c (double_int_lshift, double_int_lshift): New functions.
2095         (double_int_negative_p): Remove.
2096         * tree.h (lshift_double, rshift_double):
2097         * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
2098         * fold-const.c (fold_convert_const_int_from_real,
2099         fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
2100         (lshift_double): Change type of arith argument to bool.
2101         (rshift_double): Change type of arith argument to bool. Correct
2102         comment.
2103         * expmed.c (mask_rtx, lshift_value): (Ditto.).
2104
2105 2010-04-14  Bernd Schmidt  <bernds@codesourcery.com>
2106
2107         PR target/21803
2108         * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
2109         at the start and end of the then/else blocks, and omit them from the
2110         conversion.
2111         * cfgcleanup.c (flow_find_cross_jump): No longer static.  Remove MODE
2112         argument; all callers changed.  Pass zero to old_insns_match_p instead.
2113         (flow_find_head_matching_sequence): New function.
2114         (old_insns_match_p): Check REG_EH_REGION notes for calls.
2115         * basic-block.h (flow_find_cross_jump,
2116         flow_find_head_matching_sequence): Declare functions.
2117
2118 2010-04-14  Jason Merrill  <jason@redhat.com>
2119
2120         PR c++/36625
2121         * c-common.c (attribute_takes_identifier_p): New fn.
2122         * c-common.h: Declare it.
2123
2124 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2125
2126         * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
2127         splitter condition.
2128         (*udivmod<mode>4): Ditto.
2129
2130 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2131
2132         * config/i386/i386.md (maxmin_int): Rename code attribute from
2133         maxminiprefix and update all users.
2134         (maxmin_float): Ditto from maxminfprefix.
2135         (logic): Ditto from logicprefix.
2136         (absneg_mnemonic): Ditto from absnegprefix.
2137         * config/i386/mmx.md: Update all users of maxminiprefix,
2138         maxminfprefix and logicprefix for rename.
2139         * config/i386/sse.md: Ditto.
2140         * config/i386/sync.md (sync_<code><mode>): Update for
2141         logicprefix rename.
2142
2143 2010-04-14  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2144
2145         PR 42966
2146         * diagnostics.c (diagnostic_report_diagnostic): Mark specially
2147         warnings converted to errors.
2148
2149 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2150
2151         * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
2152         used insn_type variable.
2153         (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
2154         to avoid set-but-not-used warning.
2155
2156 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2157
2158         * df-core.c (df_ref_debug): Change format string placeholder
2159         from 0x%x to %#x.
2160         * dwarf2asm.c (dw2_asm_output_data_raw,
2161         dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
2162         dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
2163         * dwarf2out.c (output_cfi, output_cfi_directive,
2164         dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
2165         output_cfa_loc_raw, output_die, output_ranges, output_file_names):
2166         Ditto.
2167         * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
2168         * print-rtl.c (print_rtx): Ditto.
2169
2170 2010-04-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
2171
2172         PR middle-end/42694
2173         * builtins.c (expand_builtin_pow_root): New function to expand pow
2174         calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
2175         series of sqrt and cbrt calls under -ffast-math.
2176         (expand_builtin_pow): Call it.
2177
2178 2010-04-14  Michael Matz  <matz@suse.de>
2179
2180         PR tree-optimization/42963
2181         * tree-cfg.c (touched_switch_bbs): New static variable.
2182         (group_case_labels_stmt): New function broken out from ...
2183         (group_case_labels): ... here, use the above.
2184         (start_recording_case_labels): Allocate touched_switch_bbs.
2185         (end_recording_case_labels): Deallocate it, call
2186         group_case_labels_stmt.
2187         (gimple_redirect_edge_and_branch): Remember index of affected BB.
2188
2189 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2190
2191         * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
2192         from insn template.
2193
2194 2010-04-14  Uros Bizjak  <ubizjak@gmail.com>
2195
2196         * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
2197
2198 2010-04-13  Jan Hubicka  <jh@suse.cz>
2199
2200         * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
2201         of optimized out static functions.
2202         (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
2203         cost computation.  Also sanity check for overflows.
2204         (update_caller_keys): Update cgraph_edge_badness call; properly
2205         update fibheap and sanity check that it is up to date.
2206         (add_new_edges_to_heap): Update cgraph_edge_badness.
2207         (cgraph_decide_inlining_of_small_function): Likewise;
2208         add sanity checking that badness in heap is up to date;
2209         improve dumping of reason; Update badness of calls to the
2210         offline copy of function currently inlined; dump badness
2211         of functions not inlined because of unit growth limits.
2212
2213 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2214
2215         PR middle-end/32628
2216         * c-common.c (pointer_int_sum): Disregard overflow that occured only
2217         because of sign-extension change when converting to sizetype here...
2218         * fold-const.c (fold_convert_const_int_from_int): ...and not here.
2219
2220         * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
2221         the folding to constants.  Remove redundant final conversion.
2222         (fold_binary) <associate>: Do not associate if the re-association of
2223         constants alone overflows.
2224         (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
2225         to the end of the list.
2226         (multiple_of_p) <COND_EXPR>: New case.
2227
2228 2010-04-13  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2229
2230         * opt-functions.awk (opt_sanitized_name): New.
2231         (opt_enum): New.
2232         * optc-gen.awk: Use it
2233         * opth-gen.awk: Use it.
2234
2235 2010-04-13  Martin Jambor  <mjambor@suse.cz>
2236
2237         * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
2238         (sra_modify_assign): Delete stmts loading dead data even if racc has no
2239         children.  Call replace_uses_with_default_def_ssa_name to handle
2240         SSA_NAES on lhs.
2241
2242 2010-04-13  Michael Matz  <matz@suse.de>
2243
2244         PR middle-end/43730
2245         * builtins.c (expand_builtin_interclass_mathfn): Also create
2246         a register if the predicate doesn't match.
2247
2248 2010-04-13  Diego Novillo  <dnovillo@google.com>
2249
2250         * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
2251         * c-pch.c: Include timevar.h.
2252         (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
2253         (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
2254         * ggc-common.c: Include timevar.h.
2255         (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
2256         * timevar.def (TV_PCH_SAVE): Define.
2257         (TV_PCH_CPP_SAVE): Define.
2258         (TV_PCH_PTR_REALLOC): Define.
2259         (TV_PCH_PTR_SORT): Define.
2260         (TV_PCH_RESTORE): Define.
2261         (TV_PCH_CPP_RESTORE): Define.
2262
2263 2010-04-13  Michael Matz  <matz@suse.de>
2264
2265         * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
2266         into MINUS_EXPRs.
2267         (can_reassociate_p): New function.
2268         (break_up_subtract_bb, reassociate_bb): Use it.
2269
2270 2010-04-13  Richard Guenther  <rguenther@suse.de>
2271
2272         PR bootstrap/43737
2273         * builtins.c (c_readstr): Fix assert.
2274
2275 2010-04-13  Uros Bizjak  <ubizjak@gmail.com>
2276
2277         * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
2278         when generating cltd insn.
2279
2280         (*ashl<mode>3_1): Remove special handling for register operand 2.
2281         (*ashlsi3_1_zext): Ditto.
2282         (*ashlhi3_1): Ditto.
2283         (*ashlhi3_1_lea): Ditto.
2284         (*ashlqi3_1): Ditto.
2285         (*ashlqi3_1_lea): Ditto.
2286         (*<shiftrt_insn><mode>3_1): Ditto.
2287         (*<shiftrt_insn>si3_1_zext): Ditto.
2288         (*<shiftrt_insn>qi3_1_slp): Ditto.
2289         (*<rotate_insn><mode>3_1): Ditto.
2290         (*<rotate_insn>si3_1_zext): Ditto.
2291         (*<rotate_insn>qi3_1_slp): Ditto.
2292
2293 2010-04-13  Richard Guenther  <rguenther@suse.de>
2294
2295         * tree-ssa-structalias.c (callused_id): Remove.
2296         (call_stmt_vars): New.
2297         (get_call_vi): Likewise.
2298         (lookup_call_use_vi): Likewise.
2299         (lookup_call_clobber_vi): Likewise.
2300         (get_call_use_vi): Likewise.
2301         (get_call_clobber_vi): Likewise.
2302         (make_transitive_closure_constraints): Likewise.
2303         (handle_const_call): Adjust to do per-call call-used handling.
2304         (handle_pure_call): Likewise.
2305         (find_what_var_points_to): Remove general callused handling.
2306         (init_base_vars): Likewise.
2307         (init_alias_vars): Initialize call_stmt_vars.
2308         (compute_points_to_sets): Process call-used and call-clobbered
2309         vars for call statements.
2310         (delete_points_to_sets): Free call_stmt_vars.
2311
2312 2010-04-13  Richard Guenther  <rguenther@suse.de>
2313
2314         * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
2315         Only add RW dependence for dependence distance zero.
2316         Adjust maximal vectorization factor according to dependences.
2317         Move alignment handling ...
2318         (vect_find_same_alignment_drs): ... here.  New function.
2319         (vect_analyze_data_ref_dependences): Adjust.
2320         (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
2321         (vect_analyze_data_refs): Adjust minimal vectorization factor
2322         according to data references.
2323         * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
2324         dependences before determining the vectorization factor.
2325         Analyze alignment after determining the vectorization factor.
2326         * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
2327         dependences before alignment.
2328         * tree-vectorizer.h (vect_analyze_data_ref_dependences):
2329         Adjust prototype.
2330         (vect_analyze_data_refs): Likewise.
2331         (MAX_VECTORIZATION_FACTOR): New define.
2332
2333 2010-04-13  Duncan Sands  <baldrick@free.fr>
2334
2335         * except.h (lang_eh_type_covers): Remove.
2336         * except.c (lang_eh_type_covers): Likewise.
2337
2338 2010-04-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2339             Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2340
2341         * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
2342         * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
2343         UNITS_PER_LONG where it is ABI relevant.
2344         (s390_return_addr_rtx): Likewise.
2345         (s390_back_chain_rtx): Likewise.
2346         (s390_frame_area): Likewise.
2347         (s390_frame_info): Likewise.
2348         (s390_initial_elimination_offset): Likewise.
2349         (save_gprs): Likewise.
2350         (s390_emit_prologue): Likewise.
2351         (s390_emit_epilogue): Likewise.
2352         (s390_function_arg_advance): Likewise.
2353         (s390_function_arg): Likewise.
2354         (s390_va_start): Likewise.
2355         (s390_gimplify_va_arg): Likewise.
2356         (s390_function_profiler): Likewise.
2357         (s390_optimize_prologue): Likewise.
2358         (s390_rtx_costs): Likewise.
2359         (s390_secondary_reload): Likewise.
2360         (s390_promote_function_mode): Likewise.
2361         (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
2362         (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
2363         registers available.
2364         (s390_unwind_word_mode): New function.
2365         (s390_function_value): Split 64 bit values into register pair if
2366         used as return value.
2367         (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
2368         function call parameters.  Handle parallels.
2369         (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
2370         (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
2371         (DWARF_CIE_DATA_ALIGNMENT): New macro.
2372         (s390_expand_setmem): Remove unused variable src_addr.
2373         * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
2374         deal with 64 bit registers.
2375         * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
2376         Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
2377         (UNITS_PER_LONG): New macro.
2378         * libjava/include/s390-signal.h: Define extended ucontext
2379         structure containing the upper halfs of the 64 bit registers.
2380
2381 2010-04-13  Simon Baldwin  <simonb@google.com>
2382
2383         * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
2384
2385 2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>
2386
2387         * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
2388         rvalue on the RHS if the LHS is of a non-renamable type.
2389         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
2390
2391 2010-04-13  Matthias Klose  <doko@ubuntu.com>
2392
2393         * gcc.c (cc1_options): Handle -iplugindir before processing
2394         the cc1 spec. Only add -iplugindir once.
2395         (cpp_unique_options): Add -iplugindir option if -fplugin* options
2396         found.
2397         * common.opt (iplugindir): Remove `Separate' property, initialize.
2398         * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
2399         option.
2400         * Makefile.in (check-%, check-parallel-%): Create plugin dir.
2401         (distclean): Remove plugin dir.
2402         * doc/invoke.texi: Document -iplugindir.
2403
2404 2010-04-13  Basile Starynkevitch  <basile@starynkevitch.net>
2405
2406         * doc/plugins.texi (Loading Plugins): Document short
2407         -fplugin=foo option.
2408         (Plugin API): Mention default_plugin_dir_name function.
2409
2410         * gcc.c (find_file_spec_function): Add new declaration.
2411         (static_spec_func): Use it for "find-file".
2412         (find_file_spec_function): Add new function.
2413         (cc1_options): Add -iplugindir option if -fplugin* options found.
2414
2415         * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
2416
2417         * plugin.c (add_new_plugin): Updated comment, and handle short
2418         plugin name.
2419         (default_plugin_dir_name): Added new function.
2420
2421         * common.opt (iplugindir): New option to set the plugin directory.
2422
2423 2010-04-12  Uros Bizjak  <ubizjak@gmail.com>
2424
2425         * config/i386/i386.md (any_rotate): New code iterator.
2426         (rotate_insn): New code attribute.
2427         (rotate): Ditto.
2428         (SWIM124): New mode iterator.
2429         (<rotate_insn>ti3): New expander.
2430         (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
2431         any_rotate code iterator.
2432         (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
2433         using any_rotate code iterator and SWIM124 mode iterator.
2434         (ix86_rotlti3): New insn_and_split pattern.
2435         (ix86_rotrti3): Ditto.
2436         (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
2437         ix86_rotl{di,ti}3 patterns.
2438         (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
2439         (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
2440         and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
2441         *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
2442         code iterator and SWI mode iterator.
2443         (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
2444         Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
2445         code iterator.
2446         (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
2447         Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
2448         (bswap rotatert splitter): Add splitter.
2449         (bswap splitter): Macroize splitter using any_rotate code iterator.
2450         Add insn predicate to split only for TARGET_USE_XCHGB or when
2451         optimizing function for size.
2452
2453 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2454
2455         * config/pa/pa.c (emit_move_sequence): Remove use of
2456         deleted variable flag_argument_noalias.
2457
2458 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2459
2460         * config.gcc: Removed *-*-solaris2.7* from list of obsolete
2461         configurations.
2462         Add to unsupported targets list.
2463         * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
2464         sparc*-sun-solaris2.[567]* from target lists.
2465         * configure: Regenerate.
2466         * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
2467         removal.
2468         Remove Solaris 7 patch references.
2469         (Specific, sparc-sun-solaris2.7): Removed.
2470         (sparc-sun-solaris2*): Update Solaris 7 example.
2471         (sparc64-*-solaris2*): Likewise.
2472
2473 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2474
2475         * config.build (alpha*-dec-osf4*): Remove.
2476         * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
2477         of obsolete configurations.
2478         (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
2479         support.
2480         * config/alpha/t-osf4: Renamed to ...
2481         * config/alpha/t-osf5: ... this.
2482         * config/alpha/osf.h: Renamed to ...
2483         * config/alpha/osf5.h: ... this.
2484         Merged old osf5.h contents.
2485         Update comments.
2486         (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
2487         (EXTRA_SPECS): Removed.
2488         * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
2489         reflect removal of Tru64 UNIX V4.0/V5.0 support.
2490         Document that.
2491
2492 2010-04-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2493
2494         * doc/contrib.texi (Contributors, Rainer Orth): Update.
2495
2496 2010-04-12  Kai Tietz  <kai.tietz@onevision.com>
2497
2498         PR/43702
2499         * config/i386/i386.c (x86_this_parameter): Handle aggregate for
2500         __thiscall convention.
2501
2502 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2503
2504         * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
2505         orig_base.
2506         * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
2507
2508 2010-04-12  Steve Ellcey  <sje@cup.hp.com>
2509
2510         * function.c (assign_parms_initialize_all): Add unused attribute
2511         to fntype.
2512
2513 2010-04-12  Richard Guenther  <rguenther@suse.de>
2514
2515         * gsstruct.def (GSS_CALL): New.
2516         * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
2517         * gimple.h: Include tree-ssa-alias.h.
2518         (struct gimple_statement_call): New.
2519         (union gimple_statement_struct_d): Add gimple_call member.
2520         (gimple_call_reset_alias_info): Declare.
2521         (gimple_call_use_set): New function.
2522         (gimple_call_clobber_set): Likewise.
2523         * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
2524         * gimple.c (gimple_call_reset_alias_info): New function.
2525         (gimple_build_call_1): Call it.
2526         * lto-streamer-in.c (input_gimple_stmt): Likewise.
2527         * tree-inline.c (remap_gimple_stmt): Likewise.
2528         (expand_call_inline): Remove callused handling.
2529         * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
2530         * tree-dfa.c (dump_variable): Likewise.
2531         * tree-parloops.c (parallelize_loops): Likewise.
2532         * tree-ssa.c (init_tree_ssa): Likewise.
2533         (delete_tree_ssa): Likewise.
2534         * tree-flow-inline.h (is_call_used): Remove.
2535         * tree-flow.h (struct gimple_df): Remove callused member.
2536         * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
2537         * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
2538         (ref_maybe_used_by_call_p_1): Simplify.
2539         (call_may_clobber_ref_p_1): Likewise.
2540         * tree-ssa-structalias.c (compute_points_to_sets): Set
2541         the call stmt used and clobbered sets.
2542         * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
2543         (find_tail_calls): Verify the tail call.
2544
2545 2010-04-12  Richard Guenther  <rguenther@suse.de>
2546
2547         * ipa.c (cgraph_postorder): Adjust postorder to guarantee
2548         single-iteration always-inline inlining.
2549         * ipa-inline.c (cgraph_mark_inline): Do not return anything.
2550         (cgraph_decide_inlining): Do not handle always-inline specially.
2551         (try_inline): Remove always-inline cycle detection special case.
2552         Do not recurse on always-inlines.
2553         (cgraph_early_inlining): Do not iterate if not optimizing.
2554         (cgraph_gate_early_inlining): remove.
2555         (pass_early_inline): Run unconditionally.
2556         (gate_cgraph_decide_inlining): New function.
2557         (pass_ipa_inline): Use it.  Do not run the IPA inliner if
2558         not inlining or optimizing.
2559         (cgraph_decide_inlining_of_small_functions): Also consider
2560         always-inline functions.
2561         (cgraph_default_inline_p): Return true for nodes which should
2562         disregard inline limits.
2563         (estimate_function_body_sizes): Assume zero size and time for
2564         nodes which are marked as disregarding inline limits.
2565         (cgraph_decide_recursive_inlining): Do not perform recursive
2566         inlining on always-inline nodes.
2567
2568 2010-04-12  Jakub Jelinek  <jakub@redhat.com>
2569
2570         PR bootstrap/43699
2571         * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
2572         for exprs satisfying handled_component_p.
2573
2574 2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>
2575
2576         * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
2577         non-constant aggregate elements.
2578
2579         * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
2580         is a real initialization.
2581
2582 2010-04-12  Shujing Zhao  <pearly.zhao@oracle.com>
2583
2584         PR c/36774
2585         * c-decl.c (start_function): Move forward check for nested function.
2586
2587 2010-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
2588
2589         * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
2590         * config/sh/sh.c: Include reload.h.
2591         (sh_legitimize_reload_address): New.
2592         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
2593         sh_legitimize_reload_address.
2594
2595 2010-04-11  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
2596
2597         * config/sh/sh.md (*movqi_pop): New insn pattern.
2598         * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
2599
2600 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2601
2602         * config/i386/i386.md (any_shiftrt): New code iterator.
2603         (shiftrt_insn): New code attribute.
2604         (shiftrt): Ditto.
2605         (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
2606         using any_shiftrt code iterator.
2607         (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
2608         *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
2609         (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
2610         pattern from corresponding peephole2 patterns.
2611         (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
2612         using any_shiftrt code iterator.
2613         (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
2614         (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
2615         (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
2616         (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
2617         *{ashr,lshr}<mode>3_cmp_zext.
2618         (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
2619
2620 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2621
2622         * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
2623         scratch register.
2624         (*lshr<mode>3_cconly): Ditto.
2625
2626 2010-04-11  Uros Bizjak  <ubizjak@gmail.com>
2627
2628         * config/i386/i386.md (lshr<mode>3): Macroize expander from
2629         lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2630         (*lshr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2631         pattern from *lshr{di,ti}3_1 and corresponding splitters using
2632         DWI mode iterator.
2633         (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2634         from corresponding peephole2 patterns.
2635         (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
2636         *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
2637         and *lshrdi3_1_rex64 using SWI mode iterator.
2638         (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
2639         (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
2640         (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
2641         *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
2642         and *lshrdi3_cmp_rex64 using SWI mode iterator.
2643         (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
2644         (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
2645         *lshrdi3_one_bit_cconly_rex64. Macroize insn from
2646         *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
2647         SWI mode iterator.
2648
2649 2010-04-10  Uros Bizjak  <ubizjak@gmail.com>
2650
2651         * config/i386/i386.md (ashr<mode>3): Macroize expander from
2652         ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
2653         (*ashr<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2654         pattern from *ashr{di,ti}3_1 and corresponding splitters using
2655         DWI mode iterator.
2656         (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
2657         from corresponding peephole2 patterns.
2658         (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
2659         (ashrsi3_cvt): Rename from ashrsi3_31.
2660         (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
2661         (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
2662         and x86_64_shift_adj_3 using SWI48 mode iterator.
2663         (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
2664         *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
2665         and *ashrdi3_1_rex64 using SWI mode iterator.
2666         (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
2667         (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
2668         (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
2669         *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
2670         and *ashrdi3_cmp_rex64 using SWI mode iterator.
2671         (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
2672         (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
2673         *ashrdi3_one_bit_cconly_rex64. Macroize insn from
2674         *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
2675         SWI mode iterator.
2676         (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
2677         * config/i386/i386.c (ix86_split_ashr): Update for renamed
2678         x86_shift<mode>_adj_3 expanders.
2679
2680 2010-04-10  Wei Guozhi  <carrot@google.com>
2681
2682         PR target/42601
2683         * config/arm/arm.c (arm_pic_static_addr): New function.
2684         (legitimize_pic_address): Call arm_pic_static_addr when it detects
2685         a static symbol.
2686         (arm_output_addr_const_extra): Output expression for new pattern.
2687         * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
2688
2689 2010-04-10  Bernd Schmidt  <bernds@codesourcery.com>
2690
2691         * ira-costs.c (record_reg_classes): Ignore alternatives that are
2692         not enabled.
2693
2694         * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
2695         * web.c: Include "insn-config.h" and "recog.h".
2696         (union_match_dups): New function.
2697         (web_main): Call it.
2698         (union_defs): Don't try to recognize match_dups.
2699
2700         * reload1.c (eliminate_regs_in_insn): Don't restore an operand
2701         if doing so would replace the entire pattern.
2702
2703 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2704
2705         PR target/43707
2706         PR target/43709
2707         * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
2708         and splitter pattern.  Change splitter operand 1 predicate to
2709         nonmemory_operand.
2710
2711 2010-04-09  Martin Jambor  <mjambor@suse.cz>
2712
2713         * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
2714         lattices are addresses of CONST_DECLs with the same initial value.
2715         (ipcp_print_all_lattices): Print values of CONST_DECLs.
2716         * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
2717
2718 2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>
2719             Bernd Schmidt  <bernds@codesourcery.com>
2720
2721         * loop-invariant.c (replace_uses): New static function.
2722         (move_invariant_reg): Use it to ensure we can replace the uses.
2723
2724 2010-04-09  Hariharan Sandanagobalane  <hariharan@picochip.com>
2725
2726         * config/picochip/picochip.c (picochip_rtx_costs): Use correct
2727         function template.
2728         (picochip_override_options): Enable section anchors only above -O1.
2729         (picochip_reorg): Fixed a couple of build warnings.
2730
2731 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2732
2733         * configure.ac (plugin -rdynamic test): Log result.
2734         * configure: Regenerate.
2735         * config/sol2.h (LINK_SPEC): Handle -rdynamic.
2736         (RDYNAMIC_SPEC): Define.
2737         * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
2738
2739 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2740
2741         * configure.ac: Determine Sun ld version numbers.
2742         (comdat_group): Restrict GNU ld version checks to gld.
2743         (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
2744         (enable_comdat): Support --enable-comdat.
2745         * configure: Regenerate.
2746         * doc/install.texi (Configuration): Document --enable-comdat.
2747
2748 2010-04-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2749
2750         * config/sparc/sol2-gld.h: Remove SPARC reference.  Rename ...
2751         * config/sol2-gld.h: ... here.
2752         * config.gcc (sparc*-*-solaris2*): Reflect this.
2753         (i[34567]86-*-solaris2*): Use it.
2754
2755 2010-04-09  Steve Ellcey  <sje@cup.hp.com>
2756
2757         * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
2758         setup_clocks_p.
2759         (final_emit_insn_group_barriers): Remove unused variable prev_insn.
2760
2761 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2762
2763         PR 42965
2764         * diagnostic.c (diagnostic_initialize): Initialize
2765         some_warnings_are_errors.
2766         (diagnostic_finish): New.
2767         (diagnostic_action_after_output): Call it before exiting.
2768         (diagnostic_report_diagnostic): Do not print message here. Set
2769         some_warnings_are_errors.
2770         * diagnostic.h (diagnostic_context): Delete
2771         issue_warnings_are_errors_message. Add some_warnings_are_errors.
2772         (diagnostic_finish): Declare.
2773         * toplev.c (toplev_main): Call it before exit.
2774
2775 2010-04-09  Jason Merrill  <jason@redhat.com>
2776
2777         PR c++/42623
2778         * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2779         for incomplete type.
2780
2781         PR c++/41788
2782         * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2783         based on a warning flag.
2784
2785 2010-04-09  Richard Guenther  <rguenther@suse.de>
2786
2787         * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2788
2789 2010-04-09  Iain Sandoe  <iains@gcc.gnu.org>
2790
2791         PR bootstrap/43684
2792         * varasm.c (default_assemble_visibility): Wrap vars that are
2793         set, but unused, by targets without GAS.
2794         * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2795         Remove set, but unused, vars.
2796         (rs6000_legitimize_tls_address): Likewise.
2797         (altivec_expand_dst_builtin): Likewise.
2798         * config/darwin.c (machopic_classify_symbol): Likewise.
2799         (machopic_indirection_name): Likewise.
2800
2801 2010-04-09  Uros Bizjak  <ubizjak@gmail.com>
2802
2803         * config/i386/i386.md (DWI): New mode iterator.
2804         (S): New mode attribute.
2805         (shift_operand): Ditto.
2806         (shift_immediate_operand): Ditto.
2807         (ashl_input_operand): Ditto.
2808         (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2809         using SDWIM mode iterator.
2810         (*ashl<mode>3_doubleword): New insn_and_split_pattern.  Macroize
2811         pattern from *ashl{di,ti}3_1 and corresponding splitters using
2812         DWI mode iterator.
2813         (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2814         from corresponding peephole2 patterns.
2815         (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2816         and x86_64_shift_adj_1 using SWI48 mode iterator.
2817         (x86_shift<mode>_adj_2): Ditto.
2818         (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2819         (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2820         using SWI48 mode iterator.
2821         (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2822         *ashldi3_cmp_rex64 using SWI mode iterator.
2823         (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2824         *ashldi3_cconly_rex64 using SWI mode iterator.
2825         * config/i386/i386.c (ix86_split_ashl): Update for renamed
2826         x86_shift<mode>_adj_{1,2}.
2827         (ix86_split_ashr): Ditto.
2828         (ix86_split_lshr): Ditto.
2829
2830 2010-04-09  Richard Guenther  <rguenther@suse.de>
2831
2832         * target.h (builtin_conversion): Pass in input and output types.
2833         * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2834         * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2835         * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2836         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2837
2838         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2839         Handle AVX modes.
2840         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2841
2842 2010-04-09  Richard Guenther  <rguenther@suse.de>
2843
2844         PR target/43152
2845         * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2846
2847 2010-04-09  Richard Guenther  <rguenther@suse.de>
2848
2849         * tree-vectorizer.h (struct _stmt_vec_info): Document
2850         that vectype is the type of the LHS.
2851         (supportable_widening_operation, supportable_narrowing_operation):
2852         Get both input and output vector types as arguments.
2853         (vect_is_simple_use_1): Declare.
2854         (get_same_sized_vectype): Likewise.
2855         * tree-vect-loop.c (vect_determine_vectorization_factor):
2856         Set STMT_VINFO_VECTYPE to the vector type of the def.
2857         (vectorizable_reduction): Adjust.
2858         * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2859         Adjust.  Specify the output vector type.
2860         (vect_pattern_recog_1): Adjust.
2861         * tree-vect-stmts.c (get_same_sized_vectype): New function.
2862         (vectorizable_call): Adjust.
2863         (vectorizable_conversion): Likewise.
2864         (vectorizable_operation): Likewise.
2865         (vectorizable_type_demotion): Likewise.
2866         (vectorizable_type_promotion): Likewise.
2867         (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2868         the def.
2869         (vect_is_simple_use_1): New function.
2870         (supportable_widening_operation): Get both input and output
2871         vector types.
2872         (supportable_narrowing_operation): Likewise.
2873         * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2874
2875 2010-04-09  Kai Tietz  <kai.tietz@onevision.com>
2876
2877         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2878         __thiscall and _thiscall as predefined macros.
2879         * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2880         thiscall attribute handling.
2881         (ix86_comp_type_attributes): Likewise.
2882         (ix86_function_regparm): Likewise.
2883         (ix86_return_pops_args): Likewise.
2884         (init_cumulative_args): Likewise.
2885         (find_drap_reg): Likewise.
2886         (ix86_static_chain): Likewise.
2887         (x86_this_parameter): Likewise.
2888         (x86_output_mi_thunk): Likewise.
2889         (ix86_attribute_table): Add description for thiscall attribute.
2890         * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2891         * doc/extend.texi: Add documentation for thiscall.
2892
2893 2010-04-09  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2894
2895         PR c++/28584
2896         * c.opt (Wint-to-pointer-cast): Available in C++.
2897         * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2898
2899 2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>
2900
2901         * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2902         * calls.c (expand_call): Pass the function type to aggregate_value_p.
2903         * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2904         the target function of a CALL_EXPR.  Honor TREE_ADDRESSABLE on the
2905         function type instead.  Reorder and simplify checks.
2906
2907         * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2908
2909 2010-04-08  Jing Yu  <jingyu@google.com>
2910             Zdenek Dvorak  <ook@ucw.cz>
2911
2912         PR tree-optimization/42720
2913         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2914         loop unswitch conditions here from ...
2915         (tree_unswitch_single_loop): ... here.
2916
2917 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2918
2919         * tree-if-conv.c: Fix comments and simplify logic.
2920
2921 2010-04-08  Sebastian Pop  <sebastian.pop@amd.com>
2922
2923         * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2924         (tree_if_conversion): Same.  Update call to if_convertible_loop_p.
2925         (main_tree_if_conversion): Update call to tree_if_conversion.
2926
2927 2010-04-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
2928
2929         PR 42485
2930         * doc/invoke.texi (-b,-V): Delete.
2931         * doc/tm.texi: Do not mention -b.
2932         * gcc.c (display_help): Delete -b and -V.
2933         (process_command): Delete -b and -V.
2934         * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2935
2936 2010-04-08  Christian Borntraeger  <borntraeger@de.ibm.com>
2937             Wolfgang Gellerich  <gellerich@de.ibm.com>
2938
2939         Implement target hook for loop unrolling
2940         * target.h (loop_unroll_adjust): Add a new target hook function.
2941         * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2942         * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2943         * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2944         (s390_loop_unroll_adjust): Implement the new target hook for s390.
2945         * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2946         target hook.
2947         (decide_unroll_stupid): Likewise.
2948
2949 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2950
2951         PR target/43643
2952         * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2953
2954 2010-04-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
2955
2956         * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2957         (Specific, *-*-solaris2*): Likewise.
2958         Don't prefer Sun as over GNU as.
2959
2960 2010-04-08  Wolfgang Gellerich  <gellerich@de.ibm.com>
2961
2962         * config/s390/s390.c (override_options): Adjust the z10
2963           defaults for max-unroll-times, max-completely-peeled-insns
2964           and max-completely-peel-times.
2965
2966 2010-04-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2967
2968         * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2969         instructions for z10.
2970         (s390_expand_setmem): Likewise.
2971         (s390_expand_cmpmem): Likewise.
2972
2973 2010-04-08  Richard Guenther  <rguenther@suse.de>
2974
2975         PR tree-optimization/43679
2976         * tree-ssa-pre.c (eliminate): Only propagate copies.
2977
2978 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2979
2980         PR bootstrap/43681
2981         * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2982         set but not used variable warning.
2983
2984 2010-04-08  Wei Guozhi  <carrot@google.com>
2985
2986         PR target/41653
2987         * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2988         (arm_size_rtx_costs): Call the new function when optimized for size.
2989
2990 2010-04-08  Jakub Jelinek  <jakub@redhat.com>
2991
2992         PR debug/43670
2993         * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2994         op0 is not a MEM, just return NULL instead of assertion
2995         failure.
2996         (discover_nonconstant_array_refs): Don't walk debug stmts.
2997
2998 2010-04-08  Doug Kwan  <dougkwan@google.com>
2999
3000         * configure.ac: Recognize gold and do not use its version number
3001         to test ld features.
3002         * configure: Regenerate.
3003
3004 2010-04-08  Maxim Kuvyrkov  <maxim@codesourcery.com>
3005
3006         PR middle-end/40815
3007         * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
3008         (negate_value): Move code to push elements to broken_up_substracts ...
3009         (eliminate_plus_minus_pair): ... here.  Push operands that have no
3010         negative pair to plus_negates.
3011         (repropagate_negates, init_reassoc, fini_reassoc): Update.
3012
3013 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3014
3015         * doc/install.texi (Configuration): Move description of
3016         --enable-lto, --with-libelf*, --enable-gold from Java section to
3017         general section.
3018
3019         * doc/generic.texi (Working with declarations)
3020         (Function Properties, C and C++ Trees): Fix typos.
3021         * doc/sourcebuild.texi (Top Level): Likewise.
3022
3023 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3024
3025         PR c/18624
3026         * tree.h (DECL_READ_P): Define.
3027         (struct tree_decl_common): Add decl_read_flag.
3028         * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
3029         a set but not used warning.
3030         (merge_decls): Merge DECL_READ_P flag.
3031         (finish_decl, build_compound_literal): Set DECL_READ_P flag.
3032         (finish_function): Issue -Wunused-but-set-parameter diagnostics.
3033         * c-common.c (handle_used_attribute, handle_unused_attribute):
3034         Likewise.
3035         * c-tree.h (default_function_array_read_conversion, mark_exp_read):
3036         New prototypes.
3037         * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
3038         New functions.
3039         (default_conversion, c_process_expr_stmt): Call mark_exp_read.
3040         * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
3041         c_parser_binary_expression, c_parser_cast_expression,
3042         c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
3043         Call default_function_array_read_conversion instead of
3044         default_function_array_conversion where needed.
3045         (c_parser_unary_expression, c_parser_conditional_expression,
3046         c_parser_postfix_expression_after_primary, c_parser_initelt):
3047         Likewise.  Call mark_exp_read where needed.
3048         (c_parser_statement_after_labels, c_parser_asm_operands,
3049         c_parser_typeof_specifier, c_parser_sizeof_expression,
3050         c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
3051         where needed.
3052         * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
3053         New.
3054         * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
3055         (warn_unused_but_set_parameter): Default to warn_unused
3056         && extra_warnings.
3057         * doc/invoke.texi: Document -Wunused-but-set-variable and
3058         -Wunused-but-set-parameter.
3059
3060         * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
3061         used count variable.
3062         * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
3063         when operandN variables aren't used in the body of the expander
3064         or splitter.
3065         * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
3066         FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
3067         * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
3068         * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
3069         FOR_EACH_IMM_USE_ON_STMT): Likewise.
3070         * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
3071         * tree.c (PROCESS_ARG): Likewise.
3072
3073 2010-04-07  Simon Baldwin  <simonb@google.com>
3074
3075         * diagnostic.h (diagnostic_override_option_index): New macro to
3076         set a diagnostic's option_index.
3077         * c-tree.h (c_cpp_error): Add warning reason argument.
3078         * opts.c (_warning_as_error_callback): New.
3079         (register_warning_as_error_callback): Store callback for
3080         warnings enabled via enable_warning_as_error.
3081         (enable_warning_as_error): Call callback, minor code tidy.
3082         * opts.h (register_warning_as_error_callback): Declare.
3083         * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
3084         response to -Werror=.
3085         (c_common_init_options): Register warning_as_error_callback in opts.c.
3086         * common.opt: Add -Wno-cpp option.
3087         * c-common.c (struct reason_option_codes_t): Map cpp warning
3088         reason codes to gcc option indexes.
3089         * (c_option_controlling_cpp_error): New function, lookup the gcc
3090         option index for a cpp warning reason code.
3091         * (c_cpp_error): Add warning reason argument, call
3092         c_option_controlling_cpp_error for diagnostic_override_option_index.
3093         * doc/invoke.texi: Document -Wno-cpp.
3094
3095 2010-04-07  Richard Guenther  <rguenther@suse.de>
3096
3097         * ipa-reference.c (mark_load): Use get_base_address.
3098         (mark_store): Likewise.
3099
3100         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
3101         inserting GIMPLE_NOPs into the IL.
3102         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3103         Explicitly strip handled components and indirect references.
3104
3105         * fold-const.c (fold_unary_loc): Do not strip qualifiers when
3106         folding address expressions.
3107         * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
3108         * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
3109         operand_equal_p to compare decls.
3110         (ptr_deref_may_alias_decl_p): Likewise.
3111         * tree-ssa-operands.c (get_asm_expr_operands): Simplify
3112         * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
3113         Handle reversed comparison ops.
3114         * tree-sra.c (asm_visit_addr): Use get_base_address.
3115         * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
3116         * ipa-reference.c (mark_address): Use get_base_address.
3117
3118 2010-04-07  Richard Guenther  <rguenther@suse.de>
3119
3120         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3121         Propagate constants everywhere.
3122
3123 2010-04-07  Jakub Jelinek  <jakub@redhat.com>
3124
3125         PR debug/43516
3126         * tree.c (MAX_INT_CACHED_PREC): Define.
3127         (nonstandard_integer_type_cache): New array.
3128         (build_nonstandard_integer_type): Cache results for precision
3129         <= MAX_INT_CACHED_PREC.
3130
3131 2010-04-07  Richard Guenther  <rguenther@suse.de>
3132
3133         * doc/invoke.texi (-fargument-alias, -fargument-noalias,
3134         -fargument-noalias-global, -fargument-noalias-anything): Remove.
3135         * common.opt: Likewise.
3136         * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
3137         * alias.c (base_alias_check): Remove flag_argument_noalias handling.
3138         (nonoverlapping_memrefs_p): Likewise.
3139         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3140         * opts.c (common_handle_option): Handle OPT_fargument_alias,
3141         OPT_fargument_noalias, OPT_fargument_noalias_anything and
3142         OPT_fargument_noalias_global for backward compatibility.
3143
3144 2010-04-07  Richard Guenther  <rguenther@suse.de>
3145
3146         PR tree-optimization/43270
3147         * tree-vrp.c (check_array_ref): Fix flexible array member detection.
3148         * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
3149         * tree-ssa-pre.c (phi_translate_1): Adjust.
3150         (fully_constant_expression): Split out vn_reference handling to ...
3151         * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
3152         Fold reads from constant strings.
3153         (vn_reference_lookup): Handle fully constant references.
3154         (vn_reference_lookup_pieces): Likewise.
3155         * Makefile.in (expmed.o-warn): Add -Wno-error.
3156
3157 2010-04-07  Martin Jambor  <mjambor@suse.cz>
3158
3159         * tree-sra.c (find_param_candidates): Allow scalar va_list types.
3160
3161 2010-04-07  Iain Sandoe  <iains@gcc.gnu.org>
3162
3163         PR driver/41594
3164         * gcc.c: Add -static-libstdc++ to list of recognized options.
3165
3166 2010-04-07  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3167
3168         * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
3169
3170 2010-04-07  Richard Guenther  <rguenther@suse.de>
3171
3172         PR middle-end/42617
3173         * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
3174         bases build simple mem attributes to retain points-to information.
3175
3176 2010-04-07  Richard Guenther  <rguenther@suse.de>
3177
3178         PR middle-end/42617
3179         * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
3180         preserve points-to related information.
3181
3182 2010-04-07  Richard Guenther  <rguenther@suse.de>
3183
3184         PR middle-end/42617
3185         * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
3186         discard plain indirect references.
3187         * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
3188         * tree.c (tree_nop_conversion): Likewise.
3189
3190 2010-04-07  Dodji Seketeli  <dodji@redhat.com>
3191
3192         PR debug/43628
3193         * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
3194
3195 2010-04-06  Kai Tietz  <kai.tietz@onevision.com>
3196
3197         * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
3198         calling convention attributes on METHOD_TYPEs for w64 ABI, too.
3199
3200 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3201
3202         * tree-if-conv.c: Fix indentation and comments.
3203
3204 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3205
3206         * tree-if-conv.c: Sort static functions in topological order.
3207
3208 2010-04-07  Sebastian Pop  <sebastian.pop@amd.com>
3209
3210         * tree-if-conv.c: Fix indentation and comments.
3211
3212 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3213
3214         PR middle-end/43519
3215         * graphite-clast-to-gimple.c (max_signed_precision_type): Use
3216         lang_hooks.types.type_for_size instead of
3217         build_nonstandard_integer_type.
3218         When converting an unsigned type to signed, double its precision.
3219         (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
3220         (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
3221         (graphite_create_new_loop_guard): When ub + 1 wraps around,
3222         use lb <= ub.
3223
3224 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3225
3226         PR middle-end/43519
3227         * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
3228         POINTER_PLUS_EXPR for pointer types.
3229
3230 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3231
3232         PR middle-end/43519
3233         * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
3234         * graphite-clast-to-gimple.c: Include langhooks.h.
3235         (max_signed_precision_type): New.
3236         (max_precision_type): Takes two types as arguments.
3237         (precision_for_value): New.
3238         (precision_for_interval): New.
3239         (gcc_type_for_interval): New.
3240         (gcc_type_for_value): New.
3241         (gcc_type_for_clast_term): New.
3242         (gcc_type_for_clast_red): New.
3243         (gcc_type_for_clast_bin): New.
3244         (gcc_type_for_clast_expr): Split up into several functions.
3245         (gcc_type_for_clast_eq): Rewritten.
3246         (compute_bounds_for_level): New.
3247         (compute_type_for_level_1): New.
3248         (compute_type_for_level): New.
3249         (gcc_type_for_cloog_iv): Removed.
3250         (gcc_type_for_iv_of_clast_loop): Rewritten.
3251         (graphite_create_new_loop): Compute the lower and upper bound types
3252         with gcc_type_for_clast_expr.
3253         (graphite_create_new_loop_guard): Same.
3254         (find_cloog_iv_in_expr): Removed.
3255         (compute_cloog_iv_types_1): Removed.
3256         (compute_cloog_iv_types): Removed.
3257         (gloog): Do not call compute_cloog_iv_types.
3258         * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
3259         GBB_CLOOG_IV_TYPES.
3260         (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
3261         * sese.h (struct gimple_bb): Removed field cloog_iv_types.
3262         (GBB_CLOOG_IV_TYPES): Removed.
3263
3264 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3265
3266         * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
3267         gimple_phi_num_args of the loop close SSA phi node is equal to 1.
3268         (detect_commutative_reduction): Same.
3269
3270 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3271
3272         * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
3273         call to verify_ssa.  Invoke verify_loop_closed_ssa with an extra
3274         argument.
3275         * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
3276         * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
3277         (rewrite_commutative_reductions_out_of_ssa): Same.
3278         * passes.c (execute_function_todo): Call verify_ssa for every pass
3279         in the LNO.  Invoke verify_loop_closed_ssa with an extra argument.
3280         * tree-flow.h (verify_loop_closed_ssa): Update declaration.
3281         * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
3282         with an extra argument.
3283         * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same.  Call
3284         verify_ssa only when the extra argument is true.
3285         (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
3286         with an extra argument.
3287         (tree_transform_and_unroll_loop): Same.
3288
3289 2010-04-06  Sebastian Pop  <sebastian.pop@amd.com>
3290
3291         * passes.c (execute_function_todo): Call verify_loop_closed_ssa
3292         for all the passes of the LNO having LOOP_CLOSED_SSA.
3293         * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
3294         * tree-loop-distribution.c (pass_loop_distribution): Same.
3295         * tree-pass.h (TODO_verify_loops): Removed.
3296         * tree-ssa-loop.c (pass_tree_loop_init): Same.
3297         (pass_lim): Same.
3298         (pass_tree_unswitch): Same.
3299         (pass_predcom): Same.
3300         (pass_vectorize): Same.
3301         (pass_linear_transform): Same.
3302         (pass_graphite_transforms): Same.
3303         (pass_iv_canon): Same.
3304         (pass_complete_unroll): Same.
3305         (pass_complete_unrolli): Same.
3306         (pass_parallelize_loops): Same.
3307         (pass_loop_prefetch): Same.
3308         (pass_iv_optimize): Same.
3309
3310 2010-04-06  Changpeng Fang  <changpeng.fang@amd.com>
3311
3312         PR middle-end/32824
3313         * passes.c (init_optimization_passes): Move pass_lim before
3314         pass_copy_prop and pass_dce_loop.
3315
3316 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3317
3318         PR target/43667
3319         * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
3320         instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
3321         (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
3322         MULTI_* defines for 4 argument vpermil2p* builtins.
3323
3324 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3325
3326         * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
3327         * config/i386/i386.c (x86_maybe_negate_const_int): New.
3328         (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
3329         * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
3330         *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
3331         *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
3332         *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
3333         Use x86_maybe_negate_const_int to output insn mnemonic.
3334         (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto.  Remove overflow
3335         check from instruction predicate.  Update comments.
3336         * config/i386/sync.md (sync_add<mode>): Use
3337         x86_maybe_negate_const_int to output insn mnemonic.
3338
3339 2010-04-06  Jan Hubicka  <jh@suse.cz>
3340
3341         PR tree-optimization/42906
3342         * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
3343         IGNORE_SELF argument.  Set visited_control_parents for fully
3344         processed BBs.
3345         (find_obviously_necessary_stmts): Update call of
3346         mark_control_dependent_edges_necessary.
3347         (propagate_necessity): Likewise.  Handle PHI edges more curefully.
3348
3349 2010-04-06  Uros Bizjak  <ubizjak@gmail.com>
3350
3351         * config/i386/i386.md: Remove comment about 'e' and 'E'
3352         operand modifier.
3353
3354 2010-04-06  Richard Guenther  <rguenther@suse.de>
3355
3356         PR tree-optimization/43627
3357         * tree-vrp.c (extract_range_from_unary_expr): Widenings
3358         of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
3359         not varying.
3360
3361 2010-04-06  Jakub Jelinek  <jakub@redhat.com>
3362
3363         * BASE-VER: Change to 4.6.0.
3364
3365         PR target/43638
3366         * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
3367         handling.
3368
3369 2010-04-06  Richard Guenther  <rguenther@suse.de>
3370
3371         PR middle-end/43661
3372         * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
3373
3374 2010-04-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3375
3376         * doc/invoke.texi (Optimize Options): Document that LTO
3377         won't remove object access purely due to incompatible
3378         declarations.
3379
3380 2010-04-04  Matthias Klose  <doko@ubuntu.com>
3381
3382         * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
3383         Initialize variable.
3384
3385 2010-04-03  Richard Guenther  <rguenther@suse.de>
3386
3387         PR middle-end/42509
3388         * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
3389         require a non-NULL MEM_OFFSET.
3390
3391 2010-04-02  Steven Bosscher  <steven@gcc.gnu.org>
3392
3393         * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
3394         basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
3395         collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
3396         config/alpha/predicates.md, config/arm/arm.md,
3397         config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
3398         config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
3399         config/darwin9.h, config/darwin.c, config/darwin.h,
3400         config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
3401         config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
3402         config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
3403         config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
3404         config/mips/mips.md, config/mn10300/mn10300.c,
3405         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
3406         config/rs6000/aix.h, config/rs6000/dfp.md,
3407         config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
3408         config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
3409         config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
3410         config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
3411         config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
3412         config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
3413         c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
3414         diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
3415         doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
3416         doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
3417         fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
3418         gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
3419         graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
3420         graphite-dependences.c, graphite-poly.c, graphite-poly.h,
3421         graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
3422         graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
3423         intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
3424         ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
3425         ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
3426         loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
3427         objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
3428         opt-functions.awk, opth-gen.awk, params.def, passes.c,
3429         postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
3430         rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
3431         store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
3432         tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
3433         tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
3434         tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
3435         tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
3436         tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3437         tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
3438         tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
3439         tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
3440         tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
3441         tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
3442         unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
3443
3444 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3445
3446         PR other/43620
3447         * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
3448         * aclocal.m4: Regenerate.
3449
3450 2010-04-02  Richard Guenther  <rguenther@suse.de>
3451
3452         PR tree-optimization/43629
3453         * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
3454         if we have seen a constant value.
3455
3456 2010-04-02  Joseph Myers  <joseph@codesourcery.com>
3457
3458         * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
3459
3460 2010-04-02  Richard Earnshaw  <rearnsha@arm.com>
3461
3462         PR target/43469
3463         * arm.c (legitimize_tls_address): Adjust call to
3464         gen_tls_load_dot_plus_four.
3465         (arm_note_pic_base): New function.
3466         (arm_cannot_copy_insn_p): Use it.
3467         * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
3468         constraint.
3469
3470 2010-04-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3471
3472         PR bootstrap/43531
3473
3474         Revert:
3475         2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3476
3477         * Makefile.in ($(out_object_file)): Depend on
3478         gt-$(basename $(notdir $(out_file))).h.
3479
3480 2010-04-01  Ralf Corsépius <ralf.corsepius@rtems.org>
3481
3482         * config.gcc (lm32-*-rtems*): Add t-lm32.
3483
3484 2010-04-01  Joel Sherrill <joel.sherrill@oarcorp.com>
3485
3486         * config.gcc: Add lm32-*-rtems*.
3487         * config/lm32/rtems.h: New file.
3488
3489 2010-04-01  Dave Korn  <dave.korn.cygwin@gmail.com>
3490
3491         PR target/42609
3492         * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
3493
3494 2010-04-01  Jakub Jelinek  <jakub@redhat.com>
3495
3496         * dwarf2out.c (output_compilation_unit_header): For
3497         -gdwarf-4 use version 4 instead of version 3.
3498         (output_line_info): For version 4 and above emit additional
3499         maximum ops per insn header field.
3500         (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
3501
3502         * dwarf2out.c (is_c_family, is_java): Remove.
3503         (lower_bound_default): New function.
3504         (add_bound_info, gen_descr_array_type_die): Use it.
3505
3506 2010-04-01  Dodji Seketeli  <dodji@redhat.com>
3507
3508         PR debug/43325
3509         * dwarf2out.c (gen_variable_die): Allow debug info for variable
3510         re-declaration when it happens in a function.
3511
3512 2010-04-01  Aldy Hernandez  <aldyh@redhat.com>
3513
3514         * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
3515         (cgraph_remove_function_insertion_hook): Same.
3516         (cgraph_call_function_insertion_hooks): Same.
3517
3518 2010-04-01  Richard Guenther  <rguenther@suse.de>
3519
3520         PR middle-end/43614
3521         * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
3522         and TREE_THIS_VOLATILE.
3523         (copy_ref_info): Likewise.
3524         * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
3525         * tree.c (build6_stat): Ignore side-effects of all but arg5
3526         for TARGET_MEM_REF.  Set TREE_THIS_VOLATILE from arg5 of
3527         TARGET_MEM_REF.
3528
3529 2010-04-01  Richard Guenther  <rguenther@suse.de>
3530
3531         PR tree-optimization/43607
3532         * ipa-type-escape.c (check_call): Do not access non-existing
3533         arguments.
3534
3535 2010-04-01  Richard Guenther  <rguenther@suse.de>
3536
3537         PR middle-end/43602
3538         Revert
3539         2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3540                     Jack Howarth <howarth@bromo.med.uc.edu>
3541
3542         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3543         variables TLS.
3544
3545 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3546
3547         * doc/install.texi (Prerequisites): Document libelf usability on
3548         IRIX 5/6 and Solaris 2.
3549         (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
3550         Update GNU as, GNU ld requirements.
3551         (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
3552         Document Sun Studio compiler download.
3553         Update and simplify as, ld recommendations.
3554         (Specific, *-*-solaris2.7): Note obsoletion, removal.
3555
3556 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3557
3558         * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
3559         with_tune_32 to pentium4.
3560
3561 2010-04-01  Uros Bizjak  <ubizjak@gmail.com>
3562
3563         * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
3564
3565 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3566
3567         * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
3568         obsoletion, removal.
3569         Update IDO URL.
3570         Document GNU as requirement.
3571         Update configure requirements.
3572         (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
3573         Recomment IRIX 6.5.18+.
3574         Document IDF/IDL requirement.
3575         Document GNU as requirement.
3576         Document GNU ld bootstrap failure.
3577         Remove freeware.sgi.com reference.
3578
3579 2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3580
3581         * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
3582         UNIX V4.0, V5.0 obsoletion, removal.
3583         Remove --with-gc=simple reference.
3584         Update VM requirements during bootstrap.
3585         Remove -oldas bootstrap description.
3586         Update binutils reference.
3587         Remove comparison failure note.
3588
3589 2010-03-31  Richard Guenther  <rguenther@suse.de>
3590             Zdenek Dvorak  <ook@ucw.cz>
3591             Sebastian Pop  <sebastian.pop@amd.com>
3592
3593         PR middle-end/43464
3594         * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
3595         with multiple arguments.
3596         (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
3597
3598 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3599
3600         * graphite-dependences.c (print_pddr): Call print_pdr with an
3601         extra argument.
3602         * graphite-poly.c (debug_pdr): Add an extra argument for the
3603         verbosity level.
3604         (print_pdr): Same.
3605         (print_pbb_domain): Same.
3606         (print_pbb): Same.
3607         (print_scop_context): Same.
3608         (print_scop): Same.
3609         (print_cloog): Same.
3610         (debug_pbb_domain): Same.
3611         (debug_pbb): Same.
3612         (print_pdrs): Same.
3613         (debug_pdrs): Same.
3614         (debug_scop_context): Same.
3615         (debug_scop): Same.
3616         (debug_cloog): Same.
3617         (print_scop_params): Same.
3618         (debug_scop_params): Same.
3619         (print_iteration_domain): Same.
3620         (print_iteration_domains): Same.
3621         (debug_iteration_domain): Same.
3622         (debug_iteration_domains): Same.
3623         (print_scattering_function): Same.
3624         (print_scattering_functions): Same.
3625         (debug_scattering_function): Same.
3626         (debug_scattering_functions): Same.
3627         * graphite-poly.h (debug_pdr): Update declaration.
3628         (print_pdr): Same.
3629         (print_pbb_domain): Same.
3630         (print_pbb): Same.
3631         (print_scop_context): Same.
3632         (print_scop): Same.
3633         (print_cloog): Same.
3634         (debug_pbb_domain): Same.
3635         (debug_pbb): Same.
3636         (print_pdrs): Same.
3637         (debug_pdrs): Same.
3638         (debug_scop_context): Same.
3639         (debug_scop): Same.
3640         (debug_cloog): Same.
3641         (print_scop_params): Same.
3642         (debug_scop_params): Same.
3643         (print_iteration_domain): Same.
3644         (print_iteration_domains): Same.
3645         (debug_iteration_domain): Same.
3646         (debug_iteration_domains): Same.
3647         (print_scattering_function): Same.
3648         (print_scattering_functions): Same.
3649         (debug_scattering_function): Same.
3650         (debug_scattering_functions): Same.
3651
3652 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3653
3654         * graphite-poly.c (print_scattering_function_1): New.
3655         (print_scattering_function): Call it.
3656         (print_scop_params): Remove spaces at the end of lines.
3657         (print_cloog): New.
3658         (debug_cloog): New.
3659         * graphite-poly.h (print_cloog): Declared.
3660         (debug_cloog): Declared.
3661
3662 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3663
3664         * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
3665         in loop->header.
3666         * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
3667         * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
3668         * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
3669         to switch between adding the IV bump in loop->latch or in loop->header.
3670
3671 2010-03-31  Sebastian Pop  <sebastian.pop@amd.com>
3672
3673         * graphite-poly.c (print_scattering_function): Pretty print following
3674         the scoplib format.
3675         (print_pdr): Same.
3676         (print_pbb_domain): Same.
3677         (dump_gbb_cases): Same.
3678         (dump_gbb_conditions): Same.
3679         (print_pdrs): Same.
3680         (print_pbb): Same.
3681         (print_scop_params): Same.
3682         (print_scop_context): Same.
3683         (print_scop): Same.
3684         (print_pbb_body): New.
3685         (lst_indent_to): New.
3686         (print_lst): Start new lines with a #.
3687         * graphite-poly.h (pbb_bb): New.
3688         (pbb_index): Use pbb_bb.
3689         * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
3690         disjuncts.
3691         * tree-data-ref.c (dump_data_reference): Start new lines with a #.
3692
3693 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3694
3695         * dwarf2out.c (size_of_die): For -gdwarf-4 use
3696         uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
3697         and 0 instead of 1 for dw_val_class_flag.
3698         (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
3699         dw_val_class_range_list, dw_val_class_loc_list,
3700         dw_val_class_lineptr and dw_val_class_macptr, use
3701         DW_FORM_flag_present for dw_val_class_flag and
3702         DW_FORM_exprloc for dw_val_class_loc.
3703         (output_die): For -gdwarf-4 print dw_val_class_loc
3704         size as uleb128 instead of 1 or 2 bytes and don't print
3705         anything for dw_val_class_flag.
3706
3707         * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
3708         instead of cselib_lookup following by tweaking locs->setting_insn.
3709
3710         PR bootstrap/43596
3711         * cselib.c (cselib_process_insn): Clear cselib_current_insn
3712         even before returning from label, setjmp call or volatile asm
3713         handling.
3714
3715 2010-03-31  Richard Guenther  <rguenther@suse.de>
3716
3717         PR middle-end/43600
3718         * cgraphunit.c (cgraph_output_in_order): Do not allocate
3719         temporary data on stack.
3720
3721 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3722
3723         * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
3724         (PUSHSECTION_ASM_OP): Remove.
3725         (POPSECTION_ASM_OP): Remove.
3726         (PUSHSECTION_FORMAT): Remove.
3727         * config/sol2.h (PUSHSECTION_FORMAT): Define.
3728         * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
3729         * config/sol2.c (solaris_output_init_fini): Use it.
3730
3731 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3732
3733         PR 43574
3734         * opt-functions.awk (var_type_struct): Use signed char type
3735         for simple variables.
3736
3737 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3738
3739         * config/sol2.c: Include output.h.
3740         (solaris_assemble_visibility): New function.
3741         * config/t-sol2 (sol2.o): Add output.h dependency.
3742         * config/sol2-protos.h (solaris_assemble_visibility): Declare.
3743         * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
3744         Redefine.
3745
3746 2010-03-31  Jakub Jelinek  <jakub@redhat.com>
3747
3748         PR target/43580
3749         * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
3750         V2SImode or XFmode on PRE_DEC.
3751
3752         PR debug/43557
3753         * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
3754         BLKmode.
3755
3756 2010-03-31  Jie Zhang  <jie@codesourcery.com>
3757
3758         PR 43562
3759         * reload.h (caller_save_initialized_p): Declare.
3760         * toplev.c (backend_init_target): Don't call
3761         init_caller_save but set caller_save_initialized_p to false.
3762         * caller-save.c (caller_save_initialized_p): Define.
3763         (init_caller_save): Check caller_save_initialized_p.
3764         * ira.c (ira): Call init_caller_save if flag_caller_saves.
3765
3766 2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3767
3768         PR target/39048
3769         * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3770         and soft-fp/t-softfp to tmake_file.
3771         * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3772         (LIBGCC2_TF_CEXT): Define.
3773         (TF_SIZE): Define.
3774
3775 2010-03-30  Alexandre Oliva  <aoliva@redhat.com>
3776
3777         PR debug/42977
3778         * cselib.c (n_useless_values): Document handling of debug locs.
3779         (n_useless_debug_values, n_debug_values): New variables.
3780         (new_elt_loc_list): Don't add to debug values, keep count.
3781         (promote_debug_loc): New.
3782         (cselib_reset_table): Zero new variables.
3783         (entry_and_rtx_equal_p): Promote debug locs.
3784         (discard_useless_locs): Increment n_useless_debug_values for
3785         debug values.
3786         (remove_useless_values): Adjust n_useless_values and n_debug_values
3787         with n_useless_debug_values.
3788         (add_mem_for_addr): Promote debug locs.
3789         (cselib_lookup_mem): Likewise.
3790         (cselib_lookup_addr): Renamed to...
3791         (cselib_lookup_addr_1): ... this.  Promote debug locs.  Don't call...
3792         (cselib_log_lookup): ... this.  Turn into...
3793         (cselib_lookup_addr): ... new wrapper.
3794         (cselib_lookup_from_insn): New.
3795         (cselib_invalidate_regno): Increment n_useless_debug_values for
3796         debug values.
3797         (cselib_invalidate_mem): Likewise.
3798         (cselib_process_insn): Take n_deleted and n_debug_values into
3799         account to guard remove_useless_value call.
3800         (cselib_finish): Zero n_useless_debug_values.
3801         * cselib.h (cselib_lookup_from_insn): Declare.
3802         * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3803         (sched_analyze_2): Likewise.
3804
3805 2010-03-30  Jakub Jelinek  <jakub@redhat.com>
3806
3807         * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3808         functions.
3809         (adjust_mems): Replace narrowing SUBREG of expression containing
3810         just PLUS, MINUS, MULT and ASHIFT of registers and constants
3811         with operations in the narrower mode.
3812
3813         PR debug/43593
3814         * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3815         regs_invalidated_by_call instead all call_used_reg_set registers.
3816
3817 2010-03-30  Sebastian Pop  <sebastian.pop@amd.com>
3818
3819         PR middle-end/43430
3820         * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3821         pointer comparisons with types_compatible_p.
3822         * tree-vect-stmts.c (vectorizable_call): Same.
3823         (vectorizable_condition): Same.
3824
3825 2010-03-30  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3826
3827         * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3828         stack check if the mask would be zero.
3829
3830 2010-03-30  Seongbae Park <seongbae.park@gmail.com>
3831             Jack Howarth <howarth@bromo.med.uc.edu>
3832
3833         * tree-profile.c (tree_init_ic_make_global_vars): Make static
3834         variables TLS.
3835
3836 2010-03-30  Joseph Myers  <joseph@codesourcery.com>
3837
3838         PR other/25232
3839         * libgcc-std.ver (GCC_4.5.0): Define version.  Include __unordxf2
3840         and __unordtf2.
3841         * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3842         Include ___unordxf2 and ___unordtf2.
3843         * config/i386/libgcc-glibc.ver: Do not define inheritance from
3844         GCC_4.4.0 here.
3845
3846 2010-03-30  Tarik Graba  <tarik.graba@telecom-paristech.fr>
3847
3848         * config/lm32/t-lm32: New file.
3849         * config.gcc: Use the above file when targetting lm32.
3850
3851 2010-03-28  Duncan Sands  <baldrick@free.fr>
3852
3853         * Makefile.in (PLUGIN_HEADERS): Add except.h.
3854
3855 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3856
3857         PR middle-end/43431
3858         * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3859         Improve vectorization cost model diagnostic.
3860
3861 2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
3862
3863         PR middle-end/43436
3864         * tree-vect-data-refs.c (vect_analyze_data_refs): When
3865         compute_data_dependences_for_loop returns false, early exit
3866         and output an extra diagnostic for the failed data reference
3867         analysis.
3868
3869 2010-03-29  Richard Guenther  <rguenther@suse.de>
3870
3871         PR tree-optimization/43560
3872         * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3873         (can_sm_ref_p): Treat stores to readonly locations as trapping.
3874
3875 2010-03-29  Jie Zhang  <jie@codesourcery.com>
3876
3877         PR 43564
3878         * toplev.c (process_options): Set optimization_default_node
3879         and optimization_current_node.
3880         * opts.c (decode_options): Don't set optimization_default_node
3881         and optimization_current_node.
3882
3883 2010-03-29  Ralf Corsépius  <ralf.corsepius@rtems.org>
3884
3885         * config/rtems.h: Abandon -qrtems_debug.
3886
3887 2010-03-28  Jan Hubicka  <jh@suse.cz>
3888
3889         PR tree-optimization/43505
3890         * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3891         map should not be copied.
3892
3893 2010-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3894
3895         PR middle-end/41674
3896         * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3897         cdtors, set DECL_PRESERVE_P.
3898         * ipa.c (cgraph_externally_visible_p): Return true if declaration
3899         should be preseved.
3900
3901 2010-03-27  Uros Bizjak  <ubizjak@gmail.com>
3902
3903         PR tree-optimization/43528
3904         * stor-layout.c (place_field): Check that constant fits into
3905         unsigned HWI when skipping calculation of MS bitfield layout.
3906
3907 2010-03-27  Jan Hubicka  <jh@suse.cz>
3908
3909         PR middle-end/43391
3910         * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3911         notice_global_symbol work.
3912
3913 2010-03-27  Jakub Jelinek  <jakub@redhat.com>
3914
3915         * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3916         instead of dwarf2out_decl.
3917         (struct var_loc_node): Remove section_label field.
3918         (dwarf2out_function_decl): New function.
3919         (dwarf2out_var_location): Don't set section_label field.
3920         (dwarf2out_begin_function): Don't empty decl_loc_table here.
3921
3922 2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
3923
3924         PR tree-optimization/43544
3925         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3926         First argument for builtin vectorized function hook is now a
3927         tree to be able to distinguish between machine specific and
3928         standard builtins.
3929         * targhooks.c (default_builtin_vectorized_function): Ditto.
3930         * targhooks.h (default_builtin_vectorized_function): Ditto.
3931         * target.h (struct gcc_target): Ditto.
3932         * tree-vect-stmts.c (vectorizable_function): Ditto.
3933         * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3934         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3935         Ditto.
3936
3937 2010-03-26  Joseph Myers  <joseph@codesourcery.com>
3938
3939         PR c/43381
3940         * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3941         nested binding iff it is a FUNCTION_DECL.
3942         (store_parm_decls_newstyle): Pass nested=true to bind for
3943         FUNCTION_DECLs amongst parameters.
3944
3945 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3946
3947         * var-tracking.c (vt_expand_loc_callback): Don't run
3948         cselib_expand_value_rtx_cb in dummy mode if
3949         cselib_dummy_expand_value_rtx_cb returned false.
3950
3951         * var-tracking.c (emit_note_insn_var_location): For one part
3952         notes with offset 0, don't add EXPR_LIST around the location.
3953         * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3954         add_location_or_const_value_attribute): Adjust for that change.
3955
3956         PR debug/43540
3957         * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3958         into first operand and location into second.
3959         (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3960         dw_cfi_oprnd_loc for DW_CFA_expression.
3961         (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3962         (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3963         assume first argument is regnum and second argument is location.
3964
3965 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3966
3967         PR target/42113
3968         * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3969         of scratch register to DImode.  Split to DImode comparison operator.
3970         Use SImode subreg of scratch register in the multiplication.
3971         (*cmp_sadd_sidi): Ditto.
3972         (*cmp_ssub_si): Ditto.
3973         (*cmp_ssub_sidi): Ditto.
3974
3975 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
3976
3977         PR target/43524
3978         * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3979         Remove invalid assert and wrong comment.
3980
3981 2010-03-26  Jakub Jelinek  <jakub@redhat.com>
3982
3983         PR debug/43516
3984         * flags.h (final_insns_dump_p): New extern.
3985         * final.c (final_insns_dump_p): New variable.
3986         (rest_of_clean_state): Set it before -fdump-final-insns=
3987         dumping, clear afterwards.
3988         * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3989         MEM_ALIAS_SET on MEMs.
3990
3991 2010-03-26  David S. Miller  <davem@davemloft.net>
3992
3993         * configure.ac: Fix sparc GOTDATA_OP bug check.
3994         * configure: Rebuild.
3995
3996 2010-03-26  Alan Modra  <amodra@gmail.com>
3997
3998         * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3999
4000 2010-03-25  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>